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-rw-r--r--arch/arc/Makefile8
-rw-r--r--arch/arm/Kconfig7
-rw-r--r--arch/arm/Makefile29
-rw-r--r--arch/arm/cpu/armv7/omap-common/boot-common.c17
-rw-r--r--arch/arm/cpu/armv7/omap-common/emif-common.c9
-rw-r--r--arch/arm/cpu/armv7/omap5/Kconfig4
-rw-r--r--arch/arm/cpu/armv7/omap5/hw_data.c12
-rw-r--r--arch/arm/cpu/armv7/omap5/prcm-regs.c3
-rw-r--r--arch/arm/cpu/armv7/omap5/sdram.c2
-rw-r--r--arch/arm/cpu/armv7/uniphier/Kconfig31
-rw-r--r--arch/arm/cpu/armv7/uniphier/Makefile1
-rw-r--r--arch/arm/cpu/armv7/uniphier/board_early_init_r.c15
-rw-r--r--arch/arm/cpu/armv7/uniphier/board_late_init.c38
-rw-r--r--arch/arm/cpu/armv7/uniphier/init_page_table.c7
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile2
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c1
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile2
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c1
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c20
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile2
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c1
-rw-r--r--arch/arm/cpu/armv7/uniphier/support_card.c125
-rw-r--r--arch/arm/dts/Makefile5
-rw-r--r--arch/arm/dts/uniphier-ph1-ld4-ref.dts61
-rw-r--r--arch/arm/dts/uniphier-ph1-ld4.dtsi120
-rw-r--r--arch/arm/dts/uniphier-ph1-pro4-ref.dts63
-rw-r--r--arch/arm/dts/uniphier-ph1-pro4.dtsi140
-rw-r--r--arch/arm/dts/uniphier-ph1-sld3-ref.dts60
-rw-r--r--arch/arm/dts/uniphier-ph1-sld3.dtsi125
-rw-r--r--arch/arm/dts/uniphier-ph1-sld8-ref.dts61
-rw-r--r--arch/arm/dts/uniphier-ph1-sld8.dtsi120
-rw-r--r--arch/arm/include/asm/arch-am33xx/spl.h1
-rw-r--r--arch/arm/include/asm/arch-bcm2835/mbox.h33
-rw-r--r--arch/arm/include/asm/arch-omap5/clock.h12
-rw-r--r--arch/arm/include/asm/arch-omap5/omap.h4
-rw-r--r--arch/arm/include/asm/arch-uniphier/board.h7
-rw-r--r--arch/arm/include/asm/arch-uniphier/gpio.h6
-rw-r--r--arch/arm/include/asm/omap_common.h3
-rw-r--r--arch/avr32/Makefile8
-rw-r--r--arch/blackfin/Makefile8
-rw-r--r--arch/blackfin/include/asm/io.h3
-rw-r--r--arch/m68k/Makefile8
-rw-r--r--arch/microblaze/Makefile8
-rw-r--r--arch/mips/Makefile8
-rw-r--r--arch/mips/include/asm/unaligned.h2
-rw-r--r--arch/nds32/Makefile8
-rw-r--r--arch/nios2/Makefile8
-rw-r--r--arch/openrisc/Makefile8
-rw-r--r--arch/powerpc/Makefile11
-rw-r--r--arch/powerpc/cpu/mpc8xx/Kconfig4
-rw-r--r--arch/powerpc/cpu/mpc8xx/cpu_init.c3
-rw-r--r--arch/powerpc/lib/board.c12
-rw-r--r--arch/sandbox/Makefile8
-rw-r--r--arch/sandbox/cpu/os.c1
-rw-r--r--arch/sandbox/cpu/start.c3
-rw-r--r--arch/sh/Makefile8
-rw-r--r--arch/sh/include/asm/unaligned.h2
-rw-r--r--arch/sparc/Makefile8
-rw-r--r--arch/x86/Kconfig149
-rw-r--r--arch/x86/Makefile12
-rw-r--r--arch/x86/cpu/Makefile4
-rw-r--r--arch/x86/cpu/config.mk5
-rw-r--r--arch/x86/cpu/coreboot/coreboot.c11
-rw-r--r--arch/x86/cpu/coreboot/ipchecksum.c3
-rw-r--r--arch/x86/cpu/cpu.c17
-rw-r--r--arch/x86/cpu/interrupts.c54
-rw-r--r--arch/x86/cpu/ivybridge/Makefile8
-rw-r--r--arch/x86/cpu/ivybridge/bd82x6x.c146
-rw-r--r--arch/x86/cpu/ivybridge/gma.c756
-rw-r--r--arch/x86/cpu/ivybridge/gma.h156
-rw-r--r--arch/x86/cpu/ivybridge/lpc.c523
-rw-r--r--arch/x86/cpu/ivybridge/model_206ax.c514
-rw-r--r--arch/x86/cpu/ivybridge/northbridge.c188
-rw-r--r--arch/x86/cpu/ivybridge/pch.c123
-rw-r--r--arch/x86/cpu/ivybridge/pci.c40
-rw-r--r--arch/x86/cpu/ivybridge/sata.c225
-rw-r--r--arch/x86/cpu/ivybridge/usb_ehci.c29
-rw-r--r--arch/x86/cpu/ivybridge/usb_xhci.c32
-rw-r--r--arch/x86/cpu/lapic.c57
-rw-r--r--arch/x86/cpu/pci.c12
-rw-r--r--arch/x86/cpu/turbo.c98
-rw-r--r--arch/x86/cpu/u-boot.lds18
-rw-r--r--arch/x86/dts/link.dts54
-rw-r--r--arch/x86/include/asm/acpi.h24
-rw-r--r--arch/x86/include/asm/arch-coreboot/sysinfo.h2
-rw-r--r--arch/x86/include/asm/arch-coreboot/tables.h2
-rw-r--r--arch/x86/include/asm/arch-ivybridge/bd82x6x.h23
-rw-r--r--arch/x86/include/asm/arch-ivybridge/model_206ax.h4
-rw-r--r--arch/x86/include/asm/arch-ivybridge/pch.h120
-rw-r--r--arch/x86/include/asm/arch-ivybridge/sandybridge.h13
-rw-r--r--arch/x86/include/asm/i8259.h2
-rw-r--r--arch/x86/include/asm/interrupt.h11
-rw-r--r--arch/x86/include/asm/io.h2
-rw-r--r--arch/x86/include/asm/ioapic.h38
-rw-r--r--arch/x86/include/asm/lapic.h124
-rw-r--r--arch/x86/include/asm/msr-index.h2
-rw-r--r--arch/x86/include/asm/msr.h11
-rw-r--r--arch/x86/include/asm/pci.h3
-rw-r--r--arch/x86/include/asm/post.h1
-rw-r--r--arch/x86/include/asm/processor.h31
-rw-r--r--arch/x86/include/asm/speedstep.h89
-rw-r--r--arch/x86/include/asm/turbo.h31
-rw-r--r--arch/x86/include/asm/u-boot-x86.h2
-rw-r--r--arch/x86/lib/Makefile3
-rw-r--r--arch/x86/lib/bios.c347
-rw-r--r--arch/x86/lib/bios.h98
-rw-r--r--arch/x86/lib/bios_asm.S281
-rw-r--r--arch/x86/lib/bios_interrupts.c217
-rw-r--r--arch/x86/lib/pcat_interrupts.c42
-rw-r--r--arch/x86/lib/relocate.c3
-rw-r--r--arch/x86/lib/string.c4
111 files changed, 5783 insertions, 268 deletions
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
new file mode 100644
index 0000000000..de25cc9921
--- /dev/null
+++ b/arch/arc/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/arc/cpu/$(CPU)/start.o
+
+libs-y += arch/arc/cpu/$(CPU)/
+libs-y += arch/arc/lib/
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b9ac59e1a4..7a64b665c6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -396,8 +396,8 @@ config TARGET_MX35PDK
bool "Support mx35pdk"
select CPU_ARM1136
-config TARGET_RPI_B
- bool "Support rpi_b"
+config TARGET_RPI
+ bool "Support rpi"
select CPU_ARM1176
config TARGET_TNETV107X_EVM
@@ -793,6 +793,7 @@ config ARCH_UNIPHIER
bool "Panasonic UniPhier platform"
select CPU_V7
select SUPPORT_SPL
+ select OF_CONTROL if !SPL_BUILD
endchoice
@@ -930,7 +931,7 @@ source "board/palmtreo680/Kconfig"
source "board/phytec/pcm051/Kconfig"
source "board/ppcag/bg0900/Kconfig"
source "board/pxa255_idp/Kconfig"
-source "board/raspberrypi/rpi_b/Kconfig"
+source "board/raspberrypi/rpi/Kconfig"
source "board/ronetix/pm9261/Kconfig"
source "board/ronetix/pm9263/Kconfig"
source "board/ronetix/pm9g45/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
new file mode 100644
index 0000000000..ebb7dc34ac
--- /dev/null
+++ b/arch/arm/Makefile
@@ -0,0 +1,29 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/arm/cpu/$(CPU)/start.o
+
+ifeq ($(CONFIG_SPL_BUILD),y)
+ifneq ($(CONFIG_SPL_START_S_PATH),)
+head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
+endif
+endif
+
+libs-y += arch/arm/cpu/$(CPU)/
+libs-y += arch/arm/cpu/
+libs-y += arch/arm/lib/
+
+ifeq ($(CONFIG_SPL_BUILD),y)
+ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
+libs-y += arch/arm/imx-common/
+endif
+else
+ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
+libs-y += arch/arm/imx-common/
+endif
+endif
+
+ifneq (,$(filter $(SOC), armada-xp kirkwood))
+libs-y += arch/arm/mvebu-common/
+endif
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c
index fb535eb9ec..cb18908867 100644
--- a/arch/arm/cpu/armv7/omap-common/boot-common.c
+++ b/arch/arm/cpu/armv7/omap-common/boot-common.c
@@ -33,8 +33,19 @@ void save_omap_boot_params(void)
* used. But it not correct to assume that romcode structure
* encoding would be same as u-boot. So use the defined offsets.
*/
- gd->arch.omap_boot_params.omap_bootdevice = boot_device =
- *((u8 *)(rom_params + BOOT_DEVICE_OFFSET));
+ boot_device = *((u8 *)(rom_params + BOOT_DEVICE_OFFSET));
+
+#if defined(BOOT_DEVICE_NAND_I2C)
+ /*
+ * Re-map NAND&I2C boot-device to the "normal" NAND boot-device.
+ * Otherwise the SPL boot IF can't handle this device correctly.
+ * Somehow booting with Hynix 4GBit NAND H27U4G8 on Siemens
+ * Draco leads to this boot-device passed to SPL from the BootROM.
+ */
+ if (boot_device == BOOT_DEVICE_NAND_I2C)
+ boot_device = BOOT_DEVICE_NAND;
+#endif
+ gd->arch.omap_boot_params.omap_bootdevice = boot_device;
gd->arch.omap_boot_params.ch_flags =
*((u8 *)(rom_params + CH_FLAGS_OFFSET));
@@ -57,7 +68,7 @@ void save_omap_boot_params(void)
}
}
-#ifdef CONFIG_DRA7XX
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
/*
* We get different values for QSPI_1 and QSPI_4 being used, but
* don't actually care about this difference. Rather than
diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c
index c8e9bc86e5..e601ba1886 100644
--- a/arch/arm/cpu/armv7/omap-common/emif-common.c
+++ b/arch/arm/cpu/armv7/omap-common/emif-common.c
@@ -1226,13 +1226,14 @@ void dmm_init(u32 base)
emif1_enabled = 1;
emif2_enabled = 1;
break;
- } else if (valid == 1) {
+ }
+
+ if (valid == 1)
emif1_enabled = 1;
- } else if (valid == 2) {
+
+ if (valid == 2)
emif2_enabled = 1;
- }
}
-
}
static void do_bug0039_workaround(u32 base)
diff --git a/arch/arm/cpu/armv7/omap5/Kconfig b/arch/arm/cpu/armv7/omap5/Kconfig
index 129982caca..aca862d2b2 100644
--- a/arch/arm/cpu/armv7/omap5/Kconfig
+++ b/arch/arm/cpu/armv7/omap5/Kconfig
@@ -12,6 +12,9 @@ config TARGET_OMAP5_UEVM
config TARGET_DRA7XX_EVM
bool "TI DRA7XX"
+config TARGET_BEAGLE_X15
+ bool "BeagleBoard X15"
+
endchoice
config SYS_SOC
@@ -20,5 +23,6 @@ config SYS_SOC
source "board/compulab/cm_t54/Kconfig"
source "board/ti/omap5_uevm/Kconfig"
source "board/ti/dra7xx/Kconfig"
+source "board/ti/beagle_x15/Kconfig"
endif
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index 025738302a..95f16866e6 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -365,31 +365,31 @@ struct vcores_data dra752_volts = {
.mpu.value = VDD_MPU_DRA752,
.mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU_NOM,
.mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
- .mpu.addr = TPS659038_REG_ADDR_SMPS12_MPU,
+ .mpu.addr = TPS659038_REG_ADDR_SMPS12,
.mpu.pmic = &tps659038,
.eve.value = VDD_EVE_DRA752,
.eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE_NOM,
.eve.efuse.reg_bits = DRA752_EFUSE_REGBITS,
- .eve.addr = TPS659038_REG_ADDR_SMPS45_EVE,
+ .eve.addr = TPS659038_REG_ADDR_SMPS45,
.eve.pmic = &tps659038,
.gpu.value = VDD_GPU_DRA752,
.gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU_NOM,
.gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
- .gpu.addr = TPS659038_REG_ADDR_SMPS6_GPU,
+ .gpu.addr = TPS659038_REG_ADDR_SMPS6,
.gpu.pmic = &tps659038,
.core.value = VDD_CORE_DRA752,
.core.efuse.reg = STD_FUSE_OPP_VMIN_CORE_NOM,
.core.efuse.reg_bits = DRA752_EFUSE_REGBITS,
- .core.addr = TPS659038_REG_ADDR_SMPS7_CORE,
+ .core.addr = TPS659038_REG_ADDR_SMPS7,
.core.pmic = &tps659038,
.iva.value = VDD_IVA_DRA752,
.iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA_NOM,
.iva.efuse.reg_bits = DRA752_EFUSE_REGBITS,
- .iva.addr = TPS659038_REG_ADDR_SMPS8_IVA,
+ .iva.addr = TPS659038_REG_ADDR_SMPS8,
.iva.pmic = &tps659038,
};
@@ -593,7 +593,7 @@ const struct ctrl_ioregs ioregs_dra72x_es1 = {
.ctrl_ddr_ctrl_ext_0 = 0xA2000000,
};
-void hw_data_init(void)
+void __weak hw_data_init(void)
{
u32 omap_rev = omap_revision();
diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c
index ff08ef4247..0745d424e2 100644
--- a/arch/arm/cpu/armv7/omap5/prcm-regs.c
+++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c
@@ -376,6 +376,7 @@ struct omap_sys_ctrl_regs const omap5_ctrl = {
struct omap_sys_ctrl_regs const dra7xx_ctrl = {
.control_status = 0x4A002134,
+ .control_phy_power_usb = 0x4A002370,
.control_phy_power_sata = 0x4A002374,
.control_core_mac_id_0_lo = 0x4A002514,
.control_core_mac_id_0_hi = 0x4A002518,
@@ -800,6 +801,7 @@ struct prcm_regs const dra7xx_prcm = {
.cm_clkmode_dpll_dsp = 0x4a005234,
.cm_shadow_freq_config1 = 0x4a005260,
.cm_clkmode_dpll_gmac = 0x4a0052a8,
+ .cm_coreaon_usb_phy_core_clkctrl = 0x4a008640,
.cm_coreaon_usb_phy2_core_clkctrl = 0x4a008688,
/* cm1.mpu */
@@ -906,6 +908,7 @@ struct prcm_regs const dra7xx_prcm = {
.cm_gmac_gmac_clkctrl = 0x4a0093d0,
.cm_l3init_ocp2scp1_clkctrl = 0x4a0093e0,
.cm_l3init_ocp2scp3_clkctrl = 0x4a0093e8,
+ .cm_l3init_usb_otg_ss_clkctrl = 0x4a0093f0,
/* cm2.l4per */
.cm_l4per_clkstctrl = 0x4a009700,
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 065199be76..7d8cec08c2 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -513,7 +513,7 @@ const struct lpddr2_mr_regs mr_regs = {
.mr16 = MR16_REF_FULL_ARRAY
};
-static void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr,
+void __weak emif_get_ext_phy_ctrl_const_regs(u32 emif_nr,
const u32 **regs,
u32 *size)
{
diff --git a/arch/arm/cpu/armv7/uniphier/Kconfig b/arch/arm/cpu/armv7/uniphier/Kconfig
index 36b7f11fbe..97602990aa 100644
--- a/arch/arm/cpu/armv7/uniphier/Kconfig
+++ b/arch/arm/cpu/armv7/uniphier/Kconfig
@@ -5,15 +5,17 @@ config SYS_SOC
default "uniphier"
config SYS_CONFIG_NAME
- default "ph1_pro4" if MACH_PH1_PRO4
- default "ph1_ld4" if MACH_PH1_LD4
- default "ph1_sld8" if MACH_PH1_SLD8
+ default "uniphier"
+
+config UNIPHIER_SMP
+ bool
choice
prompt "UniPhier SoC select"
config MACH_PH1_PRO4
bool "PH1-Pro4"
+ select UNIPHIER_SMP
config MACH_PH1_LD4
bool "PH1-LD4"
@@ -23,6 +25,29 @@ config MACH_PH1_SLD8
endchoice
+choice
+ prompt "UniPhier Support Card select"
+ optional
+
+config PFC_MICRO_SUPPORT_CARD
+ bool "Support card with PFC CPLD"
+ help
+ This option provides support for the expansion board with PFC
+ original address mapping.
+
+ Say Y to use the on-board UART, Ether, LED devices.
+
+config DCC_MICRO_SUPPORT_CARD
+ bool "Support card with DCC CPLD"
+ help
+ This option provides support for the expansion board with DCC-
+ arranged address mapping that is compatible with legacy UniPhier
+ reference boards.
+
+ Say Y to use the on-board UART, Ether, LED devices.
+
+endchoice
+
config CMD_PINMON
bool "Enable boot mode pins monitor command"
depends on !SPL_BUILD
diff --git a/arch/arm/cpu/armv7/uniphier/Makefile b/arch/arm/cpu/armv7/uniphier/Makefile
index 0f64d2591c..4a7b8a9d08 100644
--- a/arch/arm/cpu/armv7/uniphier/Makefile
+++ b/arch/arm/cpu/armv7/uniphier/Makefile
@@ -11,6 +11,7 @@ obj-y += cache_uniphier.o
obj-$(CONFIG_BOARD_POSTCLK_INIT) += board_postclk_init.o
obj-y += dram_init.o
obj-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o
+obj-$(CONFIG_BOARD_EARLY_INIT_R) += board_early_init_r.o
obj-$(CONFIG_BOARD_LATE_INIT) += board_late_init.o
obj-$(CONFIG_UNIPHIER_SMP) += smp.o
obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o
diff --git a/arch/arm/cpu/armv7/uniphier/board_early_init_r.c b/arch/arm/cpu/armv7/uniphier/board_early_init_r.c
new file mode 100644
index 0000000000..cb7e04fc36
--- /dev/null
+++ b/arch/arm/cpu/armv7/uniphier/board_early_init_r.c
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/board.h>
+
+int board_early_init_r(void)
+{
+ uniphier_board_late_init();
+ return 0;
+}
diff --git a/arch/arm/cpu/armv7/uniphier/board_late_init.c b/arch/arm/cpu/armv7/uniphier/board_late_init.c
index 37300206f6..0622a1e16e 100644
--- a/arch/arm/cpu/armv7/uniphier/board_late_init.c
+++ b/arch/arm/cpu/armv7/uniphier/board_late_init.c
@@ -26,42 +26,6 @@ static void nand_denali_wp_disable(void)
#endif
}
-static void nand_denali_fixup(void)
-{
-#if defined(CONFIG_NAND_DENALI) && \
- (defined(CONFIG_MACH_PH1_SLD8) || defined(CONFIG_MACH_PH1_PRO4))
- /*
- * The Denali NAND controller on some of UniPhier SoCs does not
- * automatically query the device parameters. For those SoCs,
- * some registers must be set after the device is probed.
- */
- void __iomem *denali_reg = (void __iomem *)CONFIG_SYS_NAND_REGS_BASE;
- struct mtd_info *mtd;
- struct nand_chip *chip;
-
- if (nand_curr_device < 0 ||
- nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE) {
- /* NAND was not detected. Just return. */
- return;
- }
-
- mtd = &nand_info[nand_curr_device];
- chip = mtd->priv;
-
- writel(mtd->erasesize / mtd->writesize, denali_reg + PAGES_PER_BLOCK);
- writel(0, denali_reg + DEVICE_WIDTH);
- writel(mtd->writesize, denali_reg + DEVICE_MAIN_AREA_SIZE);
- writel(mtd->oobsize, denali_reg + DEVICE_SPARE_AREA_SIZE);
- writel(1, denali_reg + DEVICES_CONNECTED);
-
- /*
- * chip->scan_bbt in nand_scan_tail() has been skipped.
- * It should be done in here.
- */
- chip->scan_bbt(mtd);
-#endif
-}
-
int board_late_init(void)
{
puts("MODE: ");
@@ -70,7 +34,6 @@ int board_late_init(void)
case BOOT_DEVICE_MMC1:
printf("eMMC Boot\n");
setenv("bootmode", "emmcboot");
- nand_denali_fixup();
break;
case BOOT_DEVICE_NAND:
printf("NAND Boot\n");
@@ -80,7 +43,6 @@ int board_late_init(void)
case BOOT_DEVICE_NOR:
printf("NOR Boot\n");
setenv("bootmode", "norboot");
- nand_denali_fixup();
break;
default:
printf("Unsupported Boot Mode\n");
diff --git a/arch/arm/cpu/armv7/uniphier/init_page_table.c b/arch/arm/cpu/armv7/uniphier/init_page_table.c
index d2738350a3..a0d10a995d 100644
--- a/arch/arm/cpu/armv7/uniphier/init_page_table.c
+++ b/arch/arm/cpu/armv7/uniphier/init_page_table.c
@@ -28,7 +28,12 @@
#define IS_SSC(x) ((IS_SPL_TEXT_AREA(x)) || \
(IS_INIT_STACK_AREA(x)))
#define IS_EXT(x) ((x) < 0x100)
-#define IS_REG(x) (0x500 <= (x) && (x) < 0x700)
+
+/* 0x20000000-0x2fffffff, 0xf0000000-0xffffffff are only used by PH1-sLD3 */
+#define IS_REG(x) (0x200 <= (x) && (x) < 0x300) || \
+ (0x500 <= (x) && (x) < 0x700) || \
+ (0xf00 <= (x))
+
#define IS_DDR(x) (0x800 <= (x) && (x) < 0xf00)
#define MMU_FLAGS(x) (IS_SSC(x)) ? SSC : \
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile b/arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile
index fba1cc7498..5d682d3ca3 100644
--- a/arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile
+++ b/arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile
@@ -3,7 +3,7 @@
#
obj-$(CONFIG_DISPLAY_BOARDINFO) += board_info.o
-obj-y += platdevice.o
+obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
obj-y += boot-mode.o
obj-$(CONFIG_SOC_INIT) += bcu_init.o sbc_init.o sg_init.o pll_init.o \
clkrst_init.o
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c
index 62f5b0148d..9d51299308 100644
--- a/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c
+++ b/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c
@@ -14,7 +14,6 @@ SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK)
SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK)
SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK)
-/* USB : TODO for Masahiro Yamada: move base address to Device Tree */
struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = {
{
.base = 0x5a800100,
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile b/arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile
index 74129bc86a..fd1c432f4f 100644
--- a/arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile
+++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile
@@ -3,7 +3,7 @@
#
obj-$(CONFIG_DISPLAY_BOARDINFO) += board_info.o
-obj-y += platdevice.o
+obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
obj-y += boot-mode.o
obj-$(CONFIG_SOC_INIT) += sbc_init.o sg_init.o pll_init.o clkrst_init.o
obj-$(CONFIG_BOARD_POSTCLK_INIT) += pinctrl.o
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c
index 1843d0469f..31ee2a2100 100644
--- a/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c
+++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c
@@ -14,7 +14,6 @@ SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK)
SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK)
SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK)
-/* USB : TODO for Masahiro Yamada: move base address to Device Tree */
struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = {
{
.base = 0x5a800100,
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c
index f113db54d1..3c82a1aca4 100644
--- a/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c
+++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c
@@ -22,16 +22,7 @@ void sbc_init(void)
writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
- if (readl(SBBASE0) & 0x1) {
- /*
- * Boot Swap Off: boot from mask ROM
- * 0x00000000-0x01ffffff: mask ROM
- * 0x02000000-0x3effffff: memory bank (31MB)
- * 0x03f00000-0x3fffffff: peripherals (1MB)
- */
- writel(0x0000be01, SBBASE0); /* dummy */
- writel(0x0200be01, SBBASE1);
- } else {
+ if (boot_is_swapped()) {
/*
* Boot Swap On: boot from external NOR/SRAM
* 0x02000000-0x03ffffff is a mirror of 0x00000000-0x01ffffff.
@@ -40,6 +31,15 @@ void sbc_init(void)
* 0x01f00000-0x01ffffff, 0x03f00000-0x03ffffff: peripherals
*/
writel(0x0000bc01, SBBASE0);
+ } else {
+ /*
+ * Boot Swap Off: boot from mask ROM
+ * 0x00000000-0x01ffffff: mask ROM
+ * 0x02000000-0x3effffff: memory bank (31MB)
+ * 0x03f00000-0x3fffffff: peripherals (1MB)
+ */
+ writel(0x0000be01, SBBASE0); /* dummy */
+ writel(0x0200be01, SBBASE1);
}
#elif defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
#if !defined(CONFIG_SPL_BUILD)
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile b/arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile
index fba1cc7498..5d682d3ca3 100644
--- a/arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile
+++ b/arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile
@@ -3,7 +3,7 @@
#
obj-$(CONFIG_DISPLAY_BOARDINFO) += board_info.o
-obj-y += platdevice.o
+obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
obj-y += boot-mode.o
obj-$(CONFIG_SOC_INIT) += bcu_init.o sbc_init.o sg_init.o pll_init.o \
clkrst_init.o
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c
index 72ec599f69..ea0691dd67 100644
--- a/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c
+++ b/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c
@@ -14,7 +14,6 @@ SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK)
SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK)
SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK)
-/* USB : TODO for Masahiro Yamada: move base address to Device Tree */
struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = {
{
.base = 0x5a800100,
diff --git a/arch/arm/cpu/armv7/uniphier/support_card.c b/arch/arm/cpu/armv7/uniphier/support_card.c
index 40d49409c2..419012e1ab 100644
--- a/arch/arm/cpu/armv7/uniphier/support_card.c
+++ b/arch/arm/cpu/armv7/uniphier/support_card.c
@@ -83,6 +83,12 @@ static int support_card_show_revision(void)
}
#endif
+int check_support_card(void)
+{
+ printf("SC: Micro Support Card ");
+ return support_card_show_revision();
+}
+
void support_card_init(void)
{
/*
@@ -94,12 +100,6 @@ void support_card_init(void)
support_card_reset_deassert();
}
-int check_support_card(void)
-{
- printf("SC: Micro Support Card ");
- return support_card_show_revision();
-}
-
#if defined(CONFIG_SMC911X)
#include <netdev.h>
@@ -112,18 +112,14 @@ int board_eth_init(bd_t *bis)
#if !defined(CONFIG_SYS_NO_FLASH)
#include <mtd/cfi_flash.h>
+#include <asm/arch/sbc-regs.h>
-#if CONFIG_SYS_MAX_FLASH_BANKS > 1
-static phys_addr_t flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS] =
- CONFIG_SYS_FLASH_BANKS_LIST;
+struct memory_bank {
+ phys_addr_t base;
+ unsigned long size;
+};
-phys_addr_t cfi_flash_bank_addr(int i)
-{
- return flash_banks_list[i];
-}
-#endif
-
-int mem_is_flash(phys_addr_t base)
+static int mem_is_flash(const struct memory_bank *mem)
{
const int loop = 128;
u32 *scratch_addr;
@@ -131,8 +127,9 @@ int mem_is_flash(phys_addr_t base)
int ret = 1;
int i;
- scratch_addr = map_physmem(base + 0x01e00000,
- sizeof(u32) * loop, MAP_NOCACHE);
+ /* just in case, use the tail of the memory bank */
+ scratch_addr = map_physmem(mem->base + mem->size - sizeof(u32) * loop,
+ sizeof(u32) * loop, MAP_NOCACHE);
for (i = 0; i < loop; i++, scratch_addr++) {
saved_value = readl(scratch_addr);
@@ -150,31 +147,79 @@ int mem_is_flash(phys_addr_t base)
return ret;
}
-int board_flash_wp_on(void)
+#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD)
+ /* {address, size} */
+static const struct memory_bank memory_banks_boot_swap_off[] = {
+ {0x02000000, 0x01f00000},
+};
+
+static const struct memory_bank memory_banks_boot_swap_on[] = {
+ {0x00000000, 0x01f00000},
+};
+#endif
+
+#if defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
+static const struct memory_bank memory_banks_boot_swap_off[] = {
+ {0x04000000, 0x04000000},
+};
+
+static const struct memory_bank memory_banks_boot_swap_on[] = {
+ {0x00000000, 0x04000000},
+ {0x04000000, 0x04000000},
+};
+#endif
+
+static const struct memory_bank
+*flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS_DETECT];
+
+phys_addr_t cfi_flash_bank_addr(int i)
{
- int i;
- int ret = 1;
+ return flash_banks_list[i]->base;
+}
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- if (mem_is_flash(cfi_flash_bank_addr(i))) {
- /*
- * We found at least one flash.
- * We need to return 0 and call flash_init().
- */
- ret = 0;
- }
-#if CONFIG_SYS_MAX_FLASH_BANKS > 1
- else {
- /*
- * We might have a SRAM here.
- * To prevent SRAM data from being destroyed,
- * we set dummy address (SDRAM).
- */
- flash_banks_list[i] = 0x80000000 + 0x10000 * i;
+unsigned long cfi_flash_bank_size(int i)
+{
+ return flash_banks_list[i]->size;
+}
+
+static void detect_num_flash_banks(void)
+{
+ const struct memory_bank *memory_bank, *end;
+
+ cfi_flash_num_flash_banks = 0;
+
+ if (boot_is_swapped()) {
+ memory_bank = memory_banks_boot_swap_on;
+ end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_on);
+ } else {
+ memory_bank = memory_banks_boot_swap_off;
+ end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_off);
+ }
+
+ for (; memory_bank < end; memory_bank++) {
+ if (cfi_flash_num_flash_banks >=
+ CONFIG_SYS_MAX_FLASH_BANKS_DETECT)
+ break;
+
+ if (mem_is_flash(memory_bank)) {
+ flash_banks_list[cfi_flash_num_flash_banks] =
+ memory_bank;
+
+ debug("flash bank found: base = 0x%lx, size = 0x%lx\n",
+ memory_bank->base, memory_bank->size);
+ cfi_flash_num_flash_banks++;
}
-#endif
}
- return ret;
+ debug("number of flash banks: %d\n", cfi_flash_num_flash_banks);
+}
+#else /* ONFIG_SYS_NO_FLASH */
+void detect_num_flash_banks(void)
+{
+};
+#endif /* ONFIG_SYS_NO_FLASH */
+
+void support_card_late_init(void)
+{
+ detect_num_flash_banks();
}
-#endif
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index e5846eac6f..187d58c498 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -32,6 +32,11 @@ dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
tegra114-dalmore.dtb \
tegra124-jetson-tk1.dtb \
tegra124-venice2.dtb
+dtb-$(CONFIG_ARCH_UNIPHIER) += \
+ uniphier-ph1-sld3-ref.dtb \
+ uniphier-ph1-pro4-ref.dtb \
+ uniphier-ph1-ld4-ref.dtb \
+ uniphier-ph1-sld8-ref.dtb
dtb-$(CONFIG_ZYNQ) += zynq-zc702.dtb \
zynq-zc706.dtb \
zynq-zed.dtb \
diff --git a/arch/arm/dts/uniphier-ph1-ld4-ref.dts b/arch/arm/dts/uniphier-ph1-ld4-ref.dts
new file mode 100644
index 0000000000..08bbd032c9
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-ld4-ref.dts
@@ -0,0 +1,61 @@
+/*
+ * Device Tree Source for UniPhier PH1-LD4 Reference Board
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+/include/ "uniphier-ph1-ld4.dtsi"
+
+/ {
+ model = "Panasonic UniPhier PH1-LD4 Reference Board";
+ compatible = "panasonic,ph1-ld4-ref", "panasonic,ph1-ld4";
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyPS0,115200 earlyprintk";
+ stdout-path = &uart0;
+ };
+
+ aliases {
+ uart0 = &uart0;
+ uart1 = &uart1;
+ uart2 = &uart2;
+ uart3 = &uart3;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ i2c3 = &i2c3;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+ eeprom {
+ compatible = "i2c-eeprom";
+ reg = <0x50>;
+ };
+};
+
+&usb0 {
+ status = "okay";
+};
+
+&usb1 {
+ status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ph1-ld4.dtsi b/arch/arm/dts/uniphier-ph1-ld4.dtsi
new file mode 100644
index 0000000000..2a3dd73ead
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-ld4.dtsi
@@ -0,0 +1,120 @@
+/*
+ * Device Tree Source for UniPhier PH1-LD4 SoC
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+ compatible = "panasonic,ph1-ld4";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0>;
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ uart0: serial@54006800 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006800 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ uart1: serial@54006900 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006900 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ uart2: serial@54006a00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006a00 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ uart3: serial@54006b00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006b00 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ i2c0: i2c@58400000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58400000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@58480000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58480000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@58500000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58500000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@58580000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58580000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ usb0: usb@5a800100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a800100 0x100>;
+ };
+
+ usb1: usb@5a810100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a810100 0x100>;
+ };
+
+ usb2: usb@5a820100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a820100 0x100>;
+ };
+
+ nand: nand@68000000 {
+ compatible = "denali,denali-nand-dt";
+ reg = <0x68000000 0x20>, <0x68100000 0x1000>;
+ reg-names = "nand_data", "denali_reg";
+ };
+ };
+};
diff --git a/arch/arm/dts/uniphier-ph1-pro4-ref.dts b/arch/arm/dts/uniphier-ph1-pro4-ref.dts
new file mode 100644
index 0000000000..23add7cfd0
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-pro4-ref.dts
@@ -0,0 +1,63 @@
+/*
+ * Device Tree Source for UniPhier PH1-Pro4 Reference Board
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+/include/ "uniphier-ph1-pro4.dtsi"
+
+/ {
+ model = "Panasonic UniPhier PH1-Pro4 Reference Board";
+ compatible = "panasonic,ph1-pro4-ref", "panasonic,ph1-pro4";
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x40000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyPS0,115200 earlyprintk";
+ stdout-path = &uart0;
+ };
+
+ aliases {
+ uart0 = &uart0;
+ uart1 = &uart1;
+ uart2 = &uart2;
+ uart3 = &uart3;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ i2c3 = &i2c3;
+ i2c5 = &i2c5;
+ i2c6 = &i2c6;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+ eeprom {
+ compatible = "i2c-eeprom";
+ reg = <0x50>;
+ };
+};
+
+&usb0 {
+ status = "okay";
+};
+
+&usb1 {
+ status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ph1-pro4.dtsi b/arch/arm/dts/uniphier-ph1-pro4.dtsi
new file mode 100644
index 0000000000..49e375e8d2
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-pro4.dtsi
@@ -0,0 +1,140 @@
+/*
+ * Device Tree Source for UniPhier PH1-Pro4 SoC
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+ compatible = "panasonic,ph1-pro4";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <1>;
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ uart0: serial@54006800 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006800 0x20>;
+ clock-frequency = <73728000>;
+ };
+
+ uart1: serial@54006900 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006900 0x20>;
+ clock-frequency = <73728000>;
+ };
+
+ uart2: serial@54006a00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006a00 0x20>;
+ clock-frequency = <73728000>;
+ };
+
+ uart3: serial@54006b00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006b00 0x20>;
+ clock-frequency = <73728000>;
+ };
+
+ i2c0: i2c@58780000 {
+ compatible = "panasonic,uniphier-fi2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58780000 0x80>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@58781000 {
+ compatible = "panasonic,uniphier-fi2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58781000 0x80>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@58782000 {
+ compatible = "panasonic,uniphier-fi2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58782000 0x80>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@58783000 {
+ compatible = "panasonic,uniphier-fi2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58783000 0x80>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ /* i2c4 does not exist */
+
+ i2c5: i2c@58785000 {
+ compatible = "panasonic,uniphier-fi2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58785000 0x80>;
+ clock-frequency = <400000>;
+ status = "ok";
+ };
+
+ i2c6: i2c@58786000 {
+ compatible = "panasonic,uniphier-fi2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58786000 0x80>;
+ clock-frequency = <400000>;
+ status = "ok";
+ };
+
+ usb0: usb@5a800100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a800100 0x100>;
+ };
+
+ usb1: usb@5a810100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a810100 0x100>;
+ };
+
+ nand: nand@68000000 {
+ compatible = "denali,denali-nand-dt";
+ reg = <0x68000000 0x20>, <0x68100000 0x1000>;
+ reg-names = "nand_data", "denali_reg";
+ };
+ };
+};
diff --git a/arch/arm/dts/uniphier-ph1-sld3-ref.dts b/arch/arm/dts/uniphier-ph1-sld3-ref.dts
new file mode 100644
index 0000000000..91b4dbe0b1
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-sld3-ref.dts
@@ -0,0 +1,60 @@
+/*
+ * Device Tree Source for UniPhier PH1-sLD3 Reference Board
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+/include/ "uniphier-ph1-sld3.dtsi"
+
+/ {
+ model = "Panasonic UniPhier PH1-sLD3 Reference Board";
+ compatible = "panasonic,ph1-sld3-ref", "panasonic,ph1-sld3";
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x40000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyPS0,115200 earlyprintk";
+ stdout-path = &uart0;
+ };
+
+ aliases {
+ uart0 = &uart0;
+ uart1 = &uart1;
+ uart2 = &uart2;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ i2c3 = &i2c3;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+ eeprom {
+ compatible = "i2c-eeprom";
+ reg = <0x50>;
+ };
+};
+
+&usb0 {
+ status = "okay";
+};
+
+&usb1 {
+ status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ph1-sld3.dtsi b/arch/arm/dts/uniphier-ph1-sld3.dtsi
new file mode 100644
index 0000000000..f5529d2e6e
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-sld3.dtsi
@@ -0,0 +1,125 @@
+/*
+ * Device Tree Source for UniPhier PH1-sLD3 SoC
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+ compatible = "panasonic,ph1-sld3";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <1>;
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ uart0: serial@54006800 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006800 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ uart1: serial@54006900 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006900 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ uart2: serial@54006a00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006a00 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ i2c0: i2c@58400000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58400000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@58480000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58480000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@58500000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58500000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@58580000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58580000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ usb0: usb@5a800100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a800100 0x100>;
+ };
+
+ usb1: usb@5a810100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a810100 0x100>;
+ };
+
+ usb2: usb@5a820100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a820100 0x100>;
+ };
+
+ usb3: usb@5a830100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a830100 0x100>;
+ };
+
+ nand: nand@f8000000 {
+ compatible = "denali,denali-nand-dt";
+ reg = <0xf8000000 0x20>, <0xf8100000 0x1000>;
+ reg-names = "nand_data", "denali_reg";
+ };
+ };
+};
diff --git a/arch/arm/dts/uniphier-ph1-sld8-ref.dts b/arch/arm/dts/uniphier-ph1-sld8-ref.dts
new file mode 100644
index 0000000000..a8ce049d6c
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-sld8-ref.dts
@@ -0,0 +1,61 @@
+/*
+ * Device Tree Source for UniPhier PH1-sLD8 Reference Board
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+/include/ "uniphier-ph1-sld8.dtsi"
+
+/ {
+ model = "Panasonic UniPhier PH1-sLD8 Reference Board";
+ compatible = "panasonic,ph1-sld8-ref", "panasonic,ph1-sld8";
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyPS0,115200 earlyprintk";
+ stdout-path = &uart0;
+ };
+
+ aliases {
+ uart0 = &uart0;
+ uart1 = &uart1;
+ uart2 = &uart2;
+ uart3 = &uart3;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ i2c3 = &i2c3;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+ eeprom {
+ compatible = "i2c-eeprom";
+ reg = <0x50>;
+ };
+};
+
+&usb0 {
+ status = "okay";
+};
+
+&usb1 {
+ status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ph1-sld8.dtsi b/arch/arm/dts/uniphier-ph1-sld8.dtsi
new file mode 100644
index 0000000000..0ea76e59fc
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-sld8.dtsi
@@ -0,0 +1,120 @@
+/*
+ * Device Tree Source for UniPhier PH1-sLD8 SoC
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+ compatible = "panasonic,ph1-sld8";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0>;
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ uart0: serial@54006800 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006800 0x20>;
+ clock-frequency = <80000000>;
+ };
+
+ uart1: serial@54006900 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006900 0x20>;
+ clock-frequency = <80000000>;
+ };
+
+ uart2: serial@54006a00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006a00 0x20>;
+ clock-frequency = <80000000>;
+ };
+
+ uart3: serial@54006b00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006b00 0x20>;
+ clock-frequency = <80000000>;
+ };
+
+ i2c0: i2c@58400000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58400000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@58480000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58480000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@58500000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58500000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@58580000 {
+ compatible = "panasonic,uniphier-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x58580000 0x40>;
+ clock-frequency = <100000>;
+ status = "disabled";
+ };
+
+ usb0: usb@5a800100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a800100 0x100>;
+ };
+
+ usb1: usb@5a810100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a810100 0x100>;
+ };
+
+ usb2: usb@5a820100 {
+ compatible = "panasonic,uniphier-ehci", "usb-ehci";
+ status = "disabled";
+ reg = <0x5a820100 0x100>;
+ };
+
+ nand: nand@68000000 {
+ compatible = "denali,denali-nand-dt";
+ reg = <0x68000000 0x20>, <0x68100000 0x1000>;
+ reg-names = "nand_data", "denali_reg";
+ };
+ };
+};
diff --git a/arch/arm/include/asm/arch-am33xx/spl.h b/arch/arm/include/asm/arch-am33xx/spl.h
index 8543f4399c..e756418a59 100644
--- a/arch/arm/include/asm/arch-am33xx/spl.h
+++ b/arch/arm/include/asm/arch-am33xx/spl.h
@@ -25,6 +25,7 @@
#else
#define BOOT_DEVICE_XIP 2
#define BOOT_DEVICE_NAND 5
+#define BOOT_DEVICE_NAND_I2C 6
#if defined(CONFIG_AM33XX)
#define BOOT_DEVICE_MMC1 8
#define BOOT_DEVICE_MMC2 9 /* eMMC or daughter card */
diff --git a/arch/arm/include/asm/arch-bcm2835/mbox.h b/arch/arm/include/asm/arch-bcm2835/mbox.h
index 61f427d914..0289ba6a91 100644
--- a/arch/arm/include/asm/arch-bcm2835/mbox.h
+++ b/arch/arm/include/asm/arch-bcm2835/mbox.h
@@ -119,6 +119,39 @@ struct bcm2835_mbox_tag_hdr {
* };
*/
+#define BCM2835_MBOX_TAG_GET_BOARD_REV 0x00010002
+
+/*
+ * 0x2..0xf from:
+ * http://raspberryalphaomega.org.uk/2013/02/06/automatic-raspberry-pi-board-revision-detection-model-a-b1-and-b2/
+ * http://www.raspberrypi.org/forums/viewtopic.php?f=63&t=32733
+ * 0x10, 0x11 from swarren's testing
+ */
+#define BCM2835_BOARD_REV_B_I2C0_2 0x2
+#define BCM2835_BOARD_REV_B_I2C0_3 0x3
+#define BCM2835_BOARD_REV_B_I2C1_4 0x4
+#define BCM2835_BOARD_REV_B_I2C1_5 0x5
+#define BCM2835_BOARD_REV_B_I2C1_6 0x6
+#define BCM2835_BOARD_REV_A_7 0x7
+#define BCM2835_BOARD_REV_A_8 0x8
+#define BCM2835_BOARD_REV_A_9 0x9
+#define BCM2835_BOARD_REV_B_REV2_d 0xd
+#define BCM2835_BOARD_REV_B_REV2_e 0xe
+#define BCM2835_BOARD_REV_B_REV2_f 0xf
+#define BCM2835_BOARD_REV_B_PLUS 0x10
+#define BCM2835_BOARD_REV_CM 0x11
+
+struct bcm2835_mbox_tag_get_board_rev {
+ struct bcm2835_mbox_tag_hdr tag_hdr;
+ union {
+ struct {
+ } req;
+ struct {
+ u32 rev;
+ } resp;
+ } body;
+};
+
#define BCM2835_MBOX_TAG_GET_MAC_ADDRESS 0x00010003
struct bcm2835_mbox_tag_get_mac_address {
diff --git a/arch/arm/include/asm/arch-omap5/clock.h b/arch/arm/include/asm/arch-omap5/clock.h
index 30d9de2764..0dc584b8ce 100644
--- a/arch/arm/include/asm/arch-omap5/clock.h
+++ b/arch/arm/include/asm/arch-omap5/clock.h
@@ -278,11 +278,11 @@
/* TPS659038 */
#define TPS659038_I2C_SLAVE_ADDR 0x58
-#define TPS659038_REG_ADDR_SMPS12_MPU 0x23
-#define TPS659038_REG_ADDR_SMPS45_EVE 0x2B
-#define TPS659038_REG_ADDR_SMPS6_GPU 0x2F
-#define TPS659038_REG_ADDR_SMPS7_CORE 0x33
-#define TPS659038_REG_ADDR_SMPS8_IVA 0x37
+#define TPS659038_REG_ADDR_SMPS12 0x23
+#define TPS659038_REG_ADDR_SMPS45 0x2B
+#define TPS659038_REG_ADDR_SMPS6 0x2F
+#define TPS659038_REG_ADDR_SMPS7 0x33
+#define TPS659038_REG_ADDR_SMPS8 0x37
/* TPS */
#define TPS62361_I2C_SLAVE_ADDR 0x60
@@ -314,7 +314,7 @@
*/
#define CONFIG_DEFAULT_OMAP_RESET_TIME_MAX_USEC 31219
-#ifdef CONFIG_DRA7XX
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
#define V_OSCK 20000000 /* Clock output from T2 */
#else
#define V_OSCK 19200000 /* Clock output from T2 */
diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
index b9600cf42d..e2181598d5 100644
--- a/arch/arm/include/asm/arch-omap5/omap.h
+++ b/arch/arm/include/asm/arch-omap5/omap.h
@@ -27,7 +27,7 @@
#define CONTROL_CORE_ID_CODE 0x4A002204
#define CONTROL_WKUP_ID_CODE 0x4AE0C204
-#ifdef CONFIG_DRA7XX
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
#define CONTROL_ID_CODE CONTROL_WKUP_ID_CODE
#else
#define CONTROL_ID_CODE CONTROL_CORE_ID_CODE
@@ -163,7 +163,7 @@ struct s32ktimer {
* much larger) and do not, at this time, make use of the additional
* space.
*/
-#ifdef CONFIG_DRA7XX
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
#define NON_SECURE_SRAM_START 0x40300000
#define NON_SECURE_SRAM_END 0x40380000 /* Not inclusive */
#else
diff --git a/arch/arm/include/asm/arch-uniphier/board.h b/arch/arm/include/asm/arch-uniphier/board.h
index e6ba4e4ee4..e3cba5befe 100644
--- a/arch/arm/include/asm/arch-uniphier/board.h
+++ b/arch/arm/include/asm/arch-uniphier/board.h
@@ -12,10 +12,12 @@
defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
void support_card_reset(void);
void support_card_init(void);
+void support_card_late_init(void);
int check_support_card(void);
#else
#define support_card_reset() do {} while (0)
#define support_card_init() do {} while (0)
+#define support_card_late_init() do {} while (0)
static inline int check_support_card(void)
{
return 0;
@@ -32,4 +34,9 @@ static inline void uniphier_board_init(void)
support_card_init();
}
+static inline void uniphier_board_late_init(void)
+{
+ support_card_late_init();
+}
+
#endif /* ARCH_BOARD_H */
diff --git a/arch/arm/include/asm/arch-uniphier/gpio.h b/arch/arm/include/asm/arch-uniphier/gpio.h
new file mode 100644
index 0000000000..1fc4e19a61
--- /dev/null
+++ b/arch/arm/include/asm/arch-uniphier/gpio.h
@@ -0,0 +1,6 @@
+/*
+ * Dummy header file to enable CONFIG_OF_CONTROL.
+ * If CONFIG_OF_CONTROL is enabled, lib/fdtdec.c is compiled.
+ * It includes <asm/arch/gpio.h> via <asm/gpio.h>, so those SoCs that enable
+ * OF_CONTROL must have arch/gpio.h even if GPIO is not supported.
+ */
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index 183823404d..323952f5f1 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -540,6 +540,7 @@ extern struct prcm_regs const omap5_es2_prcm;
extern struct prcm_regs const omap4_prcm;
extern struct prcm_regs const dra7xx_prcm;
extern struct dplls const **dplls_data;
+extern struct dplls dra7xx_dplls;
extern struct vcores_data const **omap_vcores;
extern const u32 sys_clk_array[8];
extern struct omap_sys_ctrl_regs const **ctrl;
@@ -547,6 +548,8 @@ extern struct omap_sys_ctrl_regs const omap4_ctrl;
extern struct omap_sys_ctrl_regs const omap5_ctrl;
extern struct omap_sys_ctrl_regs const dra7xx_ctrl;
+extern struct pmic_data tps659038;
+
void hw_data_init(void);
const struct dpll_params *get_mpu_dpll_params(struct dplls const *);
diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
new file mode 100644
index 0000000000..e9b3184379
--- /dev/null
+++ b/arch/avr32/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/avr32/cpu/start.o
+
+libs-y += arch/avr32/cpu/
+libs-y += arch/avr32/lib/
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
new file mode 100644
index 0000000000..787475e130
--- /dev/null
+++ b/arch/blackfin/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/blackfin/cpu/start.o
+
+libs-y += arch/blackfin/cpu/
+libs-y += arch/blackfin/lib/
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index 69f08bc7ef..aadb0d2d4e 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -11,10 +11,9 @@
#ifdef __KERNEL__
+#include <linux/compiler.h>
#include <asm/blackfin.h>
-#define __iomem
-
static inline void sync(void)
{
SSYNC();
diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile
new file mode 100644
index 0000000000..aa3d2fae63
--- /dev/null
+++ b/arch/m68k/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/m68k/cpu/$(CPU)/start.o
+
+libs-y += arch/m68k/cpu/$(CPU)/
+libs-y += arch/m68k/lib/
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
new file mode 100644
index 0000000000..ae4adc29c4
--- /dev/null
+++ b/arch/microblaze/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/microblaze/cpu/start.o
+
+libs-y += arch/microblaze/cpu/
+libs-y += arch/microblaze/lib/
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
new file mode 100644
index 0000000000..1907b57229
--- /dev/null
+++ b/arch/mips/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/mips/cpu/$(CPU)/start.o
+
+libs-y += arch/mips/cpu/$(CPU)/
+libs-y += arch/mips/lib/
diff --git a/arch/mips/include/asm/unaligned.h b/arch/mips/include/asm/unaligned.h
index 1d5112ea69..c25a8462c7 100644
--- a/arch/mips/include/asm/unaligned.h
+++ b/arch/mips/include/asm/unaligned.h
@@ -8,7 +8,7 @@
#ifndef _ASM_MIPS_UNALIGNED_H
#define _ASM_MIPS_UNALIGNED_H
-#include <compiler.h>
+#include <linux/compiler.h>
#if defined(__MIPSEB__)
#define get_unaligned __get_unaligned_be
#define put_unaligned __put_unaligned_be
diff --git a/arch/nds32/Makefile b/arch/nds32/Makefile
new file mode 100644
index 0000000000..e1eccba173
--- /dev/null
+++ b/arch/nds32/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/nds32/cpu/$(CPU)/start.o
+
+libs-y += arch/nds32/cpu/$(CPU)/
+libs-y += arch/nds32/lib/
diff --git a/arch/nios2/Makefile b/arch/nios2/Makefile
new file mode 100644
index 0000000000..18685a9250
--- /dev/null
+++ b/arch/nios2/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/nios2/cpu/start.o
+
+libs-y += arch/nios2/cpu/
+libs-y += arch/nios2/lib/
diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
new file mode 100644
index 0000000000..c4da3ce9d8
--- /dev/null
+++ b/arch/openrisc/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/openrisc/cpu/start.o
+
+libs-y += arch/openrisc/cpu/
+libs-y += arch/openrisc/lib/
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
new file mode 100644
index 0000000000..8aa1d603fa
--- /dev/null
+++ b/arch/powerpc/Makefile
@@ -0,0 +1,11 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/powerpc/cpu/$(CPU)/start.o
+head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o
+head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o
+
+libs-y += arch/powerpc/cpu/$(CPU)/
+libs-y += arch/powerpc/cpu/
+libs-y += arch/powerpc/lib/
diff --git a/arch/powerpc/cpu/mpc8xx/Kconfig b/arch/powerpc/cpu/mpc8xx/Kconfig
index e447748e12..99420abc89 100644
--- a/arch/powerpc/cpu/mpc8xx/Kconfig
+++ b/arch/powerpc/cpu/mpc8xx/Kconfig
@@ -13,9 +13,6 @@ config TARGET_COGENT_MPC8XX
config TARGET_ESTEEM192E
bool "Support ESTEEM192E"
-config TARGET_HERMES
- bool "Support hermes"
-
config TARGET_IP860
bool "Support IP860"
@@ -112,7 +109,6 @@ source "board/LEOX/elpt860/Kconfig"
source "board/RRvision/Kconfig"
source "board/cogent/Kconfig"
source "board/esteem192e/Kconfig"
-source "board/hermes/Kconfig"
source "board/ip860/Kconfig"
source "board/ivm/Kconfig"
source "board/kup/kup4k/Kconfig"
diff --git a/arch/powerpc/cpu/mpc8xx/cpu_init.c b/arch/powerpc/cpu/mpc8xx/cpu_init.c
index 60c401e311..6a1cd4675a 100644
--- a/arch/powerpc/cpu/mpc8xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc8xx/cpu_init.c
@@ -125,8 +125,7 @@ void cpu_init_f (volatile immap_t * immr)
* I owe him a free beer. - wd]
*/
-#if defined(CONFIG_HERMES) || \
- defined(CONFIG_IP860) || \
+#if defined(CONFIG_IP860) || \
defined(CONFIG_IVML24) || \
defined(CONFIG_IVMS8) || \
defined(CONFIG_LWMON) || \
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index 6eaab88243..e6d5355f26 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -820,13 +820,6 @@ void board_init_r(gd_t *id, ulong dest_addr)
mac_read_from_eeprom();
#endif
-#ifdef CONFIG_HERMES
- if ((gd->board_type >> 16) == 2)
- bd->bi_ethspeed = gd->board_type & 0xFFFF;
- else
- bd->bi_ethspeed = 0xFFFF;
-#endif
-
#ifdef CONFIG_CMD_NET
/* kept around for legacy kernels only ... ignore the next section */
eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
@@ -876,11 +869,6 @@ void board_init_r(gd_t *id, ulong dest_addr)
misc_init_r();
#endif
-#ifdef CONFIG_HERMES
- if (bd->bi_ethspeed != 0xFFFF)
- hermes_start_lxt980((int) bd->bi_ethspeed);
-#endif
-
#if defined(CONFIG_CMD_KGDB)
WATCHDOG_RESET();
puts("KGDB: ");
diff --git a/arch/sandbox/Makefile b/arch/sandbox/Makefile
new file mode 100644
index 0000000000..23fdcdb53c
--- /dev/null
+++ b/arch/sandbox/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/sandbox/cpu/start.o
+
+libs-y += arch/sandbox/cpu/
+libs-y += arch/sandbox/lib/
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index 31c93443db..4d5f805753 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -367,6 +367,7 @@ int os_dirent_ls(const char *dirname, struct os_dirent_node **headp)
done:
closedir(dir);
+ free(fname);
return ret;
}
diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index 0df77704c6..42353d80a8 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -130,7 +130,8 @@ static int sandbox_cmdline_cb_memory(struct sandbox_state *state,
state->write_ram_buf = true;
state->ram_buf_fname = arg;
- if (os_read_ram_buf(arg)) {
+ err = os_read_ram_buf(arg);
+ if (err) {
printf("Failed to read RAM buffer\n");
return err;
}
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
new file mode 100644
index 0000000000..ca55fac920
--- /dev/null
+++ b/arch/sh/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/sh/cpu/$(CPU)/start.o
+
+libs-y += arch/sh/cpu/$(CPU)/
+libs-y += arch/sh/lib/
diff --git a/arch/sh/include/asm/unaligned.h b/arch/sh/include/asm/unaligned.h
index 2e0d164050..06096eeac5 100644
--- a/arch/sh/include/asm/unaligned.h
+++ b/arch/sh/include/asm/unaligned.h
@@ -8,7 +8,7 @@
#include <asm/unaligned-sh4a.h>
#else
/* Otherwise, SH can't handle unaligned accesses. */
-#include <compiler.h>
+#include <linux/compiler.h>
#if defined(__BIG_ENDIAN__)
#define get_unaligned __get_unaligned_be
#define put_unaligned __put_unaligned_be
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
new file mode 100644
index 0000000000..2d4c9715a6
--- /dev/null
+++ b/arch/sparc/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/sparc/cpu/$(CPU)/start.o
+
+libs-y += arch/sparc/cpu/$(CPU)/
+libs-y += arch/sparc/lib/
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 6e29868f5f..4f5ce38d6f 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -83,6 +83,155 @@ config X86_RAMTEST
to work correctly. It is not exhaustive but can save time by
detecting obvious failures.
+config MARK_GRAPHICS_MEM_WRCOMB
+ bool "Mark graphics memory as write-combining."
+ default n
+ help
+ The graphics performance may increase if the graphics
+ memory is set as write-combining cache type. This option
+ enables marking the graphics memory as write-combining.
+
+menu "Display"
+
+config FRAMEBUFFER_SET_VESA_MODE
+ prompt "Set framebuffer graphics resolution"
+ bool
+ help
+ Set VESA/native framebuffer mode (needed for bootsplash and graphical framebuffer console)
+
+choice
+ prompt "framebuffer graphics resolution"
+ default FRAMEBUFFER_VESA_MODE_117
+ depends on FRAMEBUFFER_SET_VESA_MODE
+ help
+ This option sets the resolution used for the coreboot framebuffer (and
+ bootsplash screen).
+
+config FRAMEBUFFER_VESA_MODE_100
+ bool "640x400 256-color"
+
+config FRAMEBUFFER_VESA_MODE_101
+ bool "640x480 256-color"
+
+config FRAMEBUFFER_VESA_MODE_102
+ bool "800x600 16-color"
+
+config FRAMEBUFFER_VESA_MODE_103
+ bool "800x600 256-color"
+
+config FRAMEBUFFER_VESA_MODE_104
+ bool "1024x768 16-color"
+
+config FRAMEBUFFER_VESA_MODE_105
+ bool "1024x7686 256-color"
+
+config FRAMEBUFFER_VESA_MODE_106
+ bool "1280x1024 16-color"
+
+config FRAMEBUFFER_VESA_MODE_107
+ bool "1280x1024 256-color"
+
+config FRAMEBUFFER_VESA_MODE_108
+ bool "80x60 text"
+
+config FRAMEBUFFER_VESA_MODE_109
+ bool "132x25 text"
+
+config FRAMEBUFFER_VESA_MODE_10A
+ bool "132x43 text"
+
+config FRAMEBUFFER_VESA_MODE_10B
+ bool "132x50 text"
+
+config FRAMEBUFFER_VESA_MODE_10C
+ bool "132x60 text"
+
+config FRAMEBUFFER_VESA_MODE_10D
+ bool "320x200 32k-color (1:5:5:5)"
+
+config FRAMEBUFFER_VESA_MODE_10E
+ bool "320x200 64k-color (5:6:5)"
+
+config FRAMEBUFFER_VESA_MODE_10F
+ bool "320x200 16.8M-color (8:8:8)"
+
+config FRAMEBUFFER_VESA_MODE_110
+ bool "640x480 32k-color (1:5:5:5)"
+
+config FRAMEBUFFER_VESA_MODE_111
+ bool "640x480 64k-color (5:6:5)"
+
+config FRAMEBUFFER_VESA_MODE_112
+ bool "640x480 16.8M-color (8:8:8)"
+
+config FRAMEBUFFER_VESA_MODE_113
+ bool "800x600 32k-color (1:5:5:5)"
+
+config FRAMEBUFFER_VESA_MODE_114
+ bool "800x600 64k-color (5:6:5)"
+
+config FRAMEBUFFER_VESA_MODE_115
+ bool "800x600 16.8M-color (8:8:8)"
+
+config FRAMEBUFFER_VESA_MODE_116
+ bool "1024x768 32k-color (1:5:5:5)"
+
+config FRAMEBUFFER_VESA_MODE_117
+ bool "1024x768 64k-color (5:6:5)"
+
+config FRAMEBUFFER_VESA_MODE_118
+ bool "1024x768 16.8M-color (8:8:8)"
+
+config FRAMEBUFFER_VESA_MODE_119
+ bool "1280x1024 32k-color (1:5:5:5)"
+
+config FRAMEBUFFER_VESA_MODE_11A
+ bool "1280x1024 64k-color (5:6:5)"
+
+config FRAMEBUFFER_VESA_MODE_11B
+ bool "1280x1024 16.8M-color (8:8:8)"
+
+config FRAMEBUFFER_VESA_MODE_USER
+ bool "Manually select VESA mode"
+
+endchoice
+
+# Map the config names to an integer (KB).
+config FRAMEBUFFER_VESA_MODE
+ prompt "VESA mode" if FRAMEBUFFER_VESA_MODE_USER
+ hex
+ default 0x100 if FRAMEBUFFER_VESA_MODE_100
+ default 0x101 if FRAMEBUFFER_VESA_MODE_101
+ default 0x102 if FRAMEBUFFER_VESA_MODE_102
+ default 0x103 if FRAMEBUFFER_VESA_MODE_103
+ default 0x104 if FRAMEBUFFER_VESA_MODE_104
+ default 0x105 if FRAMEBUFFER_VESA_MODE_105
+ default 0x106 if FRAMEBUFFER_VESA_MODE_106
+ default 0x107 if FRAMEBUFFER_VESA_MODE_107
+ default 0x108 if FRAMEBUFFER_VESA_MODE_108
+ default 0x109 if FRAMEBUFFER_VESA_MODE_109
+ default 0x10A if FRAMEBUFFER_VESA_MODE_10A
+ default 0x10B if FRAMEBUFFER_VESA_MODE_10B
+ default 0x10C if FRAMEBUFFER_VESA_MODE_10C
+ default 0x10D if FRAMEBUFFER_VESA_MODE_10D
+ default 0x10E if FRAMEBUFFER_VESA_MODE_10E
+ default 0x10F if FRAMEBUFFER_VESA_MODE_10F
+ default 0x110 if FRAMEBUFFER_VESA_MODE_110
+ default 0x111 if FRAMEBUFFER_VESA_MODE_111
+ default 0x112 if FRAMEBUFFER_VESA_MODE_112
+ default 0x113 if FRAMEBUFFER_VESA_MODE_113
+ default 0x114 if FRAMEBUFFER_VESA_MODE_114
+ default 0x115 if FRAMEBUFFER_VESA_MODE_115
+ default 0x116 if FRAMEBUFFER_VESA_MODE_116
+ default 0x117 if FRAMEBUFFER_VESA_MODE_117
+ default 0x118 if FRAMEBUFFER_VESA_MODE_118
+ default 0x119 if FRAMEBUFFER_VESA_MODE_119
+ default 0x11A if FRAMEBUFFER_VESA_MODE_11A
+ default 0x11B if FRAMEBUFFER_VESA_MODE_11B
+ default 0x117 if FRAMEBUFFER_VESA_MODE_USER
+
+endmenu
+
source "arch/x86/cpu/ivybridge/Kconfig"
source "board/coreboot/coreboot/Kconfig"
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
new file mode 100644
index 0000000000..36a601822a
--- /dev/null
+++ b/arch/x86/Makefile
@@ -0,0 +1,12 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+head-y := arch/x86/cpu/start.o
+ifeq ($(CONFIG_SPL_BUILD),y)
+head-y += arch/x86/cpu/start16.o
+head-y += arch/x86/cpu/resetvec.o
+endif
+
+libs-y += arch/x86/cpu/
+libs-y += arch/x86/lib/
diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 2b9e9b9cf0..7f09db5ed3 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -13,4 +13,8 @@ obj-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
obj-y += interrupts.o cpu.o call64.o
obj-$(CONFIG_SYS_COREBOOT) += coreboot/
+obj-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += ivybridge/
+obj-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += ivybridge/
+obj-y += lapic.o
obj-$(CONFIG_PCI) += pci.o
+obj-y += turbo.o
diff --git a/arch/x86/cpu/config.mk b/arch/x86/cpu/config.mk
index f7b01d36e0..84aeaf3edc 100644
--- a/arch/x86/cpu/config.mk
+++ b/arch/x86/cpu/config.mk
@@ -12,5 +12,6 @@ PLATFORM_CPPFLAGS += -D__I386__ -Werror
# DO NOT MODIFY THE FOLLOWING UNLESS YOU REALLY KNOW WHAT YOU ARE DOING!
LDPPFLAGS += -DRESET_SEG_START=0xffff0000
LDPPFLAGS += -DRESET_SEG_SIZE=0x10000
-LDPPFLAGS += -DRESET_VEC_LOC=0xfff0
-LDPPFLAGS += -DSTART_16=0xf800
+LDPPFLAGS += -DRESET_VEC_LOC=0xfffffff0
+LDPPFLAGS += -DSTART_16=$(CONFIG_SYS_X86_START16)
+LDPPFLAGS += -DRESET_BASE="CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE)"
diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index 2df72884f9..cfacc05875 100644
--- a/arch/x86/cpu/coreboot/coreboot.c
+++ b/arch/x86/cpu/coreboot/coreboot.c
@@ -39,17 +39,6 @@ int board_early_init_f(void)
return 0;
}
-int board_early_init_r(void)
-{
- /* CPU Speed to 100MHz */
- gd->cpu_clk = 100000000;
-
- /* Crystal is 33.000MHz */
- gd->bus_clk = 33000000;
-
- return 0;
-}
-
int print_cpuinfo(void)
{
return default_print_cpuinfo();
diff --git a/arch/x86/cpu/coreboot/ipchecksum.c b/arch/x86/cpu/coreboot/ipchecksum.c
index 5f6c00945b..3340872a87 100644
--- a/arch/x86/cpu/coreboot/ipchecksum.c
+++ b/arch/x86/cpu/coreboot/ipchecksum.c
@@ -29,7 +29,8 @@
* SUCH DAMAGE.
*/
-#include <compiler.h>
+#include <linux/types.h>
+#include <linux/compiler.h>
#include <asm/arch/ipchecksum.h>
unsigned short ipchksum(const void *vptr, unsigned long nbytes)
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index b391b7ade4..30e5069698 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -124,7 +124,7 @@ static void load_gdt(const u64 *boot_gdt, u16 num_entries)
{
struct gdt_ptr gdt;
- gdt.len = (num_entries * 8) - 1;
+ gdt.len = (num_entries * X86_GDT_ENTRY_SIZE) - 1;
gdt.ptr = (u32)boot_gdt;
asm volatile("lgdtl %0\n" : : "m" (gdt));
@@ -144,10 +144,13 @@ void setup_gdt(gd_t *id, u64 *gdt_addr)
(ulong)&id->arch.gd_addr, 0xfffff);
/* 16-bit CS: code, read/execute, 64 kB, base 0 */
- gdt_addr[X86_GDT_ENTRY_16BIT_CS] = GDT_ENTRY(0x109b, 0, 0x0ffff);
+ gdt_addr[X86_GDT_ENTRY_16BIT_CS] = GDT_ENTRY(0x009b, 0, 0x0ffff);
/* 16-bit DS: data, read/write, 64 kB, base 0 */
- gdt_addr[X86_GDT_ENTRY_16BIT_DS] = GDT_ENTRY(0x1093, 0, 0x0ffff);
+ gdt_addr[X86_GDT_ENTRY_16BIT_DS] = GDT_ENTRY(0x0093, 0, 0x0ffff);
+
+ gdt_addr[X86_GDT_ENTRY_16BIT_FLAT_CS] = GDT_ENTRY(0x809b, 0, 0xfffff);
+ gdt_addr[X86_GDT_ENTRY_16BIT_FLAT_DS] = GDT_ENTRY(0x8093, 0, 0xfffff);
load_gdt(gdt_addr, X86_GDT_NUM_ENTRIES);
load_ds(X86_GDT_ENTRY_32BIT_DS);
@@ -320,14 +323,6 @@ int x86_cpu_init_f(void)
return 0;
}
-int x86_cpu_init_r(void)
-{
- /* Initialize core interrupt and exception functionality of CPU */
- cpu_init_interrupts();
- return 0;
-}
-int cpu_init_r(void) __attribute__((weak, alias("x86_cpu_init_r")));
-
void x86_enable_caches(void)
{
unsigned long cr0;
diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c
index 51e2c5923a..a21d2a6c50 100644
--- a/arch/x86/cpu/interrupts.c
+++ b/arch/x86/cpu/interrupts.c
@@ -20,6 +20,7 @@
#include <linux/compiler.h>
#include <asm/msr.h>
#include <asm/u-boot-x86.h>
+#include <asm/i8259.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -128,9 +129,6 @@ int cpu_init_interrupts(void)
int irq_entry_size = irq_1 - irq_0;
void *irq_entry = (void *)irq_0;
- /* Just in case... */
- disable_interrupts();
-
/* Setup the IDT */
for (i = 0; i < 256; i++) {
idt[i].access = 0x8e;
@@ -146,9 +144,6 @@ int cpu_init_interrupts(void)
load_idt(&idt_ptr);
- /* It is now safe to enable interrupts */
- enable_interrupts();
-
return 0;
}
@@ -172,6 +167,25 @@ int disable_interrupts(void)
return flags & X86_EFLAGS_IF;
}
+int interrupt_init(void)
+{
+ /* Just in case... */
+ disable_interrupts();
+
+#ifdef CONFIG_SYS_PCAT_INTERRUPTS
+ /* Initialize the master/slave i8259 pic */
+ i8259_init();
+#endif
+
+ /* Initialize core interrupt and exception functionality of CPU */
+ cpu_init_interrupts();
+
+ /* It is now safe to enable interrupts */
+ enable_interrupts();
+
+ return 0;
+}
+
/* IRQ Low-Level Service Routine */
void irq_llsr(struct irq_regs *regs)
{
@@ -603,31 +617,3 @@ asm(".globl irq_common_entry\n" \
DECLARE_INTERRUPT(253) \
DECLARE_INTERRUPT(254) \
DECLARE_INTERRUPT(255));
-
-#if defined(CONFIG_INTEL_CORE_ARCH)
-/*
- * Get the number of CPU time counter ticks since it was read first time after
- * restart. This yields a free running counter guaranteed to take almost 6
- * years to wrap around even at 100GHz clock rate.
- */
-u64 get_ticks(void)
-{
- u64 now_tick = rdtsc();
-
- if (!gd->arch.tsc_base)
- gd->arch.tsc_base = now_tick;
-
- return now_tick - gd->arch.tsc_base;
-}
-
-#define PLATFORM_INFO_MSR 0xce
-
-unsigned long get_tbclk(void)
-{
- u32 ratio;
- u64 platform_info = native_read_msr(PLATFORM_INFO_MSR);
-
- ratio = (platform_info >> 8) & 0xff;
- return 100 * 1000 * 1000 * ratio; /* 100MHz times Max Non Turbo ratio */
-}
-#endif
diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile
index 721b37e628..0c7efaec7c 100644
--- a/arch/x86/cpu/ivybridge/Makefile
+++ b/arch/x86/cpu/ivybridge/Makefile
@@ -4,13 +4,21 @@
# SPDX-License-Identifier: GPL-2.0+
#
+obj-y += bd82x6x.o
obj-y += car.o
obj-y += cpu.o
obj-y += early_init.o
obj-y += early_me.o
+obj-y += gma.o
obj-y += lpc.o
obj-y += me_status.o
+obj-y += model_206ax.o
obj-y += microcode_intel.o
+obj-y += northbridge.o
+obj-y += pch.o
obj-y += pci.o
obj-y += report_platform.o
+obj-y += sata.o
obj-y += sdram.o
+obj-y += usb_ehci.o
+obj-y += usb_xhci.o
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c
new file mode 100644
index 0000000000..65a17d3e7f
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/bd82x6x.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <malloc.h>
+#include <asm/lapic.h>
+#include <asm/pci.h>
+#include <asm/arch/bd82x6x.h>
+#include <asm/arch/model_206ax.h>
+#include <asm/arch/pch.h>
+#include <asm/arch/sandybridge.h>
+
+void bd82x6x_pci_init(pci_dev_t dev)
+{
+ u16 reg16;
+ u8 reg8;
+
+ debug("bd82x6x PCI init.\n");
+ /* Enable Bus Master */
+ reg16 = pci_read_config16(dev, PCI_COMMAND);
+ reg16 |= PCI_COMMAND_MASTER;
+ pci_write_config16(dev, PCI_COMMAND, reg16);
+
+ /* This device has no interrupt */
+ pci_write_config8(dev, INTR, 0xff);
+
+ /* disable parity error response and SERR */
+ reg16 = pci_read_config16(dev, BCTRL);
+ reg16 &= ~(1 << 0);
+ reg16 &= ~(1 << 1);
+ pci_write_config16(dev, BCTRL, reg16);
+
+ /* Master Latency Count must be set to 0x04! */
+ reg8 = pci_read_config8(dev, SMLT);
+ reg8 &= 0x07;
+ reg8 |= (0x04 << 3);
+ pci_write_config8(dev, SMLT, reg8);
+
+ /* Will this improve throughput of bus masters? */
+ pci_write_config8(dev, PCI_MIN_GNT, 0x06);
+
+ /* Clear errors in status registers */
+ reg16 = pci_read_config16(dev, PSTS);
+ /* reg16 |= 0xf900; */
+ pci_write_config16(dev, PSTS, reg16);
+
+ reg16 = pci_read_config16(dev, SECSTS);
+ /* reg16 |= 0xf900; */
+ pci_write_config16(dev, SECSTS, reg16);
+}
+
+#define PCI_BRIDGE_UPDATE_COMMAND
+void bd82x6x_pci_dev_enable_resources(pci_dev_t dev)
+{
+ uint16_t command;
+
+ command = pci_read_config16(dev, PCI_COMMAND);
+ command |= PCI_COMMAND_IO;
+#ifdef PCI_BRIDGE_UPDATE_COMMAND
+ /*
+ * If we write to PCI_COMMAND, on some systems this will cause the
+ * ROM and APICs to become invisible.
+ */
+ debug("%x cmd <- %02x\n", dev, command);
+ pci_write_config16(dev, PCI_COMMAND, command);
+#else
+ printf("%s cmd <- %02x (NOT WRITTEN!)\n", dev_path(dev), command);
+#endif
+}
+
+void bd82x6x_pci_bus_enable_resources(pci_dev_t dev)
+{
+ uint16_t ctrl;
+
+ ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL);
+ ctrl |= PCI_COMMAND_IO;
+ ctrl |= PCI_BRIDGE_CTL_VGA;
+ debug("%x bridge ctrl <- %04x\n", dev, ctrl);
+ pci_write_config16(dev, PCI_BRIDGE_CONTROL, ctrl);
+
+ bd82x6x_pci_dev_enable_resources(dev);
+}
+
+int bd82x6x_init_pci_devices(void)
+{
+ const void *blob = gd->fdt_blob;
+ struct pci_controller *hose;
+ struct x86_cpu_priv *cpu;
+ int sata_node, gma_node;
+ int ret;
+
+ hose = pci_bus_to_hose(0);
+ lpc_enable(PCH_LPC_DEV);
+ lpc_init(hose, PCH_LPC_DEV);
+ sata_node = fdtdec_next_compatible(blob, 0,
+ COMPAT_INTEL_PANTHERPOINT_AHCI);
+ if (sata_node < 0) {
+ debug("%s: Cannot find SATA node\n", __func__);
+ return -EINVAL;
+ }
+ bd82x6x_sata_init(PCH_SATA_DEV, blob, sata_node);
+ bd82x6x_usb_ehci_init(PCH_EHCI1_DEV);
+ bd82x6x_usb_ehci_init(PCH_EHCI2_DEV);
+
+ cpu = calloc(1, sizeof(*cpu));
+ if (!cpu)
+ return -ENOMEM;
+ model_206ax_init(cpu);
+
+ gma_node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_GMA);
+ if (gma_node < 0) {
+ debug("%s: Cannot find GMA node\n", __func__);
+ return -EINVAL;
+ }
+ ret = gma_func0_init(PCH_VIDEO_DEV, pci_bus_to_hose(0), blob,
+ gma_node);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+int bd82x6x_init(void)
+{
+ const void *blob = gd->fdt_blob;
+ int sata_node;
+
+ sata_node = fdtdec_next_compatible(blob, 0,
+ COMPAT_INTEL_PANTHERPOINT_AHCI);
+ if (sata_node < 0) {
+ debug("%s: Cannot find SATA node\n", __func__);
+ return -EINVAL;
+ }
+
+ bd82x6x_pci_init(PCH_DEV);
+ bd82x6x_sata_enable(PCH_SATA_DEV, blob, sata_node);
+ northbridge_enable(PCH_DEV);
+ northbridge_init(PCH_DEV);
+
+ return 0;
+}
diff --git a/arch/x86/cpu/ivybridge/gma.c b/arch/x86/cpu/ivybridge/gma.c
new file mode 100644
index 0000000000..3d7f740273
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/gma.c
@@ -0,0 +1,756 @@
+/*
+ * From Coreboot file of the same name
+ *
+ * Copyright (C) 2011 Chromium OS Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <bios_emul.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <pci_rom.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+#include <asm/arch/sandybridge.h>
+
+struct gt_powermeter {
+ u16 reg;
+ u32 value;
+};
+
+static const struct gt_powermeter snb_pm_gt1[] = {
+ { 0xa200, 0xcc000000 },
+ { 0xa204, 0x07000040 },
+ { 0xa208, 0x0000fe00 },
+ { 0xa20c, 0x00000000 },
+ { 0xa210, 0x17000000 },
+ { 0xa214, 0x00000021 },
+ { 0xa218, 0x0817fe19 },
+ { 0xa21c, 0x00000000 },
+ { 0xa220, 0x00000000 },
+ { 0xa224, 0xcc000000 },
+ { 0xa228, 0x07000040 },
+ { 0xa22c, 0x0000fe00 },
+ { 0xa230, 0x00000000 },
+ { 0xa234, 0x17000000 },
+ { 0xa238, 0x00000021 },
+ { 0xa23c, 0x0817fe19 },
+ { 0xa240, 0x00000000 },
+ { 0xa244, 0x00000000 },
+ { 0xa248, 0x8000421e },
+ { 0 }
+};
+
+static const struct gt_powermeter snb_pm_gt2[] = {
+ { 0xa200, 0x330000a6 },
+ { 0xa204, 0x402d0031 },
+ { 0xa208, 0x00165f83 },
+ { 0xa20c, 0xf1000000 },
+ { 0xa210, 0x00000000 },
+ { 0xa214, 0x00160016 },
+ { 0xa218, 0x002a002b },
+ { 0xa21c, 0x00000000 },
+ { 0xa220, 0x00000000 },
+ { 0xa224, 0x330000a6 },
+ { 0xa228, 0x402d0031 },
+ { 0xa22c, 0x00165f83 },
+ { 0xa230, 0xf1000000 },
+ { 0xa234, 0x00000000 },
+ { 0xa238, 0x00160016 },
+ { 0xa23c, 0x002a002b },
+ { 0xa240, 0x00000000 },
+ { 0xa244, 0x00000000 },
+ { 0xa248, 0x8000421e },
+ { 0 }
+};
+
+static const struct gt_powermeter ivb_pm_gt1[] = {
+ { 0xa800, 0x00000000 },
+ { 0xa804, 0x00021c00 },
+ { 0xa808, 0x00000403 },
+ { 0xa80c, 0x02001700 },
+ { 0xa810, 0x05000200 },
+ { 0xa814, 0x00000000 },
+ { 0xa818, 0x00690500 },
+ { 0xa81c, 0x0000007f },
+ { 0xa820, 0x01002501 },
+ { 0xa824, 0x00000300 },
+ { 0xa828, 0x01000331 },
+ { 0xa82c, 0x0000000c },
+ { 0xa830, 0x00010016 },
+ { 0xa834, 0x01100101 },
+ { 0xa838, 0x00010103 },
+ { 0xa83c, 0x00041300 },
+ { 0xa840, 0x00000b30 },
+ { 0xa844, 0x00000000 },
+ { 0xa848, 0x7f000000 },
+ { 0xa84c, 0x05000008 },
+ { 0xa850, 0x00000001 },
+ { 0xa854, 0x00000004 },
+ { 0xa858, 0x00000007 },
+ { 0xa85c, 0x00000000 },
+ { 0xa860, 0x00010000 },
+ { 0xa248, 0x0000221e },
+ { 0xa900, 0x00000000 },
+ { 0xa904, 0x00001c00 },
+ { 0xa908, 0x00000000 },
+ { 0xa90c, 0x06000000 },
+ { 0xa910, 0x09000200 },
+ { 0xa914, 0x00000000 },
+ { 0xa918, 0x00590000 },
+ { 0xa91c, 0x00000000 },
+ { 0xa920, 0x04002501 },
+ { 0xa924, 0x00000100 },
+ { 0xa928, 0x03000410 },
+ { 0xa92c, 0x00000000 },
+ { 0xa930, 0x00020000 },
+ { 0xa934, 0x02070106 },
+ { 0xa938, 0x00010100 },
+ { 0xa93c, 0x00401c00 },
+ { 0xa940, 0x00000000 },
+ { 0xa944, 0x00000000 },
+ { 0xa948, 0x10000e00 },
+ { 0xa94c, 0x02000004 },
+ { 0xa950, 0x00000001 },
+ { 0xa954, 0x00000004 },
+ { 0xa960, 0x00060000 },
+ { 0xaa3c, 0x00001c00 },
+ { 0xaa54, 0x00000004 },
+ { 0xaa60, 0x00060000 },
+ { 0 }
+};
+
+static const struct gt_powermeter ivb_pm_gt2[] = {
+ { 0xa800, 0x10000000 },
+ { 0xa804, 0x00033800 },
+ { 0xa808, 0x00000902 },
+ { 0xa80c, 0x0c002f00 },
+ { 0xa810, 0x12000400 },
+ { 0xa814, 0x00000000 },
+ { 0xa818, 0x00d20800 },
+ { 0xa81c, 0x00000002 },
+ { 0xa820, 0x03004b02 },
+ { 0xa824, 0x00000600 },
+ { 0xa828, 0x07000773 },
+ { 0xa82c, 0x00000000 },
+ { 0xa830, 0x00010032 },
+ { 0xa834, 0x1520040d },
+ { 0xa838, 0x00020105 },
+ { 0xa83c, 0x00083700 },
+ { 0xa840, 0x0000151d },
+ { 0xa844, 0x00000000 },
+ { 0xa848, 0x20001b00 },
+ { 0xa84c, 0x0a000010 },
+ { 0xa850, 0x00000000 },
+ { 0xa854, 0x00000008 },
+ { 0xa858, 0x00000008 },
+ { 0xa85c, 0x00000000 },
+ { 0xa860, 0x00020000 },
+ { 0xa248, 0x0000221e },
+ { 0xa900, 0x00000000 },
+ { 0xa904, 0x00003500 },
+ { 0xa908, 0x00000000 },
+ { 0xa90c, 0x0c000000 },
+ { 0xa910, 0x12000500 },
+ { 0xa914, 0x00000000 },
+ { 0xa918, 0x00b20000 },
+ { 0xa91c, 0x00000000 },
+ { 0xa920, 0x08004b02 },
+ { 0xa924, 0x00000200 },
+ { 0xa928, 0x07000820 },
+ { 0xa92c, 0x00000000 },
+ { 0xa930, 0x00030000 },
+ { 0xa934, 0x050f020d },
+ { 0xa938, 0x00020300 },
+ { 0xa93c, 0x00903900 },
+ { 0xa940, 0x00000000 },
+ { 0xa944, 0x00000000 },
+ { 0xa948, 0x20001b00 },
+ { 0xa94c, 0x0a000010 },
+ { 0xa950, 0x00000000 },
+ { 0xa954, 0x00000008 },
+ { 0xa960, 0x00110000 },
+ { 0xaa3c, 0x00003900 },
+ { 0xaa54, 0x00000008 },
+ { 0xaa60, 0x00110000 },
+ { 0 }
+};
+
+static const struct gt_powermeter ivb_pm_gt2_17w[] = {
+ { 0xa800, 0x20000000 },
+ { 0xa804, 0x000e3800 },
+ { 0xa808, 0x00000806 },
+ { 0xa80c, 0x0c002f00 },
+ { 0xa810, 0x0c000800 },
+ { 0xa814, 0x00000000 },
+ { 0xa818, 0x00d20d00 },
+ { 0xa81c, 0x000000ff },
+ { 0xa820, 0x03004b02 },
+ { 0xa824, 0x00000600 },
+ { 0xa828, 0x07000773 },
+ { 0xa82c, 0x00000000 },
+ { 0xa830, 0x00020032 },
+ { 0xa834, 0x1520040d },
+ { 0xa838, 0x00020105 },
+ { 0xa83c, 0x00083700 },
+ { 0xa840, 0x000016ff },
+ { 0xa844, 0x00000000 },
+ { 0xa848, 0xff000000 },
+ { 0xa84c, 0x0a000010 },
+ { 0xa850, 0x00000002 },
+ { 0xa854, 0x00000008 },
+ { 0xa858, 0x0000000f },
+ { 0xa85c, 0x00000000 },
+ { 0xa860, 0x00020000 },
+ { 0xa248, 0x0000221e },
+ { 0xa900, 0x00000000 },
+ { 0xa904, 0x00003800 },
+ { 0xa908, 0x00000000 },
+ { 0xa90c, 0x0c000000 },
+ { 0xa910, 0x12000800 },
+ { 0xa914, 0x00000000 },
+ { 0xa918, 0x00b20000 },
+ { 0xa91c, 0x00000000 },
+ { 0xa920, 0x08004b02 },
+ { 0xa924, 0x00000300 },
+ { 0xa928, 0x01000820 },
+ { 0xa92c, 0x00000000 },
+ { 0xa930, 0x00030000 },
+ { 0xa934, 0x15150406 },
+ { 0xa938, 0x00020300 },
+ { 0xa93c, 0x00903900 },
+ { 0xa940, 0x00000000 },
+ { 0xa944, 0x00000000 },
+ { 0xa948, 0x20001b00 },
+ { 0xa94c, 0x0a000010 },
+ { 0xa950, 0x00000000 },
+ { 0xa954, 0x00000008 },
+ { 0xa960, 0x00110000 },
+ { 0xaa3c, 0x00003900 },
+ { 0xaa54, 0x00000008 },
+ { 0xaa60, 0x00110000 },
+ { 0 }
+};
+
+static const struct gt_powermeter ivb_pm_gt2_35w[] = {
+ { 0xa800, 0x00000000 },
+ { 0xa804, 0x00030400 },
+ { 0xa808, 0x00000806 },
+ { 0xa80c, 0x0c002f00 },
+ { 0xa810, 0x0c000300 },
+ { 0xa814, 0x00000000 },
+ { 0xa818, 0x00d20d00 },
+ { 0xa81c, 0x000000ff },
+ { 0xa820, 0x03004b02 },
+ { 0xa824, 0x00000600 },
+ { 0xa828, 0x07000773 },
+ { 0xa82c, 0x00000000 },
+ { 0xa830, 0x00020032 },
+ { 0xa834, 0x1520040d },
+ { 0xa838, 0x00020105 },
+ { 0xa83c, 0x00083700 },
+ { 0xa840, 0x000016ff },
+ { 0xa844, 0x00000000 },
+ { 0xa848, 0xff000000 },
+ { 0xa84c, 0x0a000010 },
+ { 0xa850, 0x00000001 },
+ { 0xa854, 0x00000008 },
+ { 0xa858, 0x00000008 },
+ { 0xa85c, 0x00000000 },
+ { 0xa860, 0x00020000 },
+ { 0xa248, 0x0000221e },
+ { 0xa900, 0x00000000 },
+ { 0xa904, 0x00003800 },
+ { 0xa908, 0x00000000 },
+ { 0xa90c, 0x0c000000 },
+ { 0xa910, 0x12000800 },
+ { 0xa914, 0x00000000 },
+ { 0xa918, 0x00b20000 },
+ { 0xa91c, 0x00000000 },
+ { 0xa920, 0x08004b02 },
+ { 0xa924, 0x00000300 },
+ { 0xa928, 0x01000820 },
+ { 0xa92c, 0x00000000 },
+ { 0xa930, 0x00030000 },
+ { 0xa934, 0x15150406 },
+ { 0xa938, 0x00020300 },
+ { 0xa93c, 0x00903900 },
+ { 0xa940, 0x00000000 },
+ { 0xa944, 0x00000000 },
+ { 0xa948, 0x20001b00 },
+ { 0xa94c, 0x0a000010 },
+ { 0xa950, 0x00000000 },
+ { 0xa954, 0x00000008 },
+ { 0xa960, 0x00110000 },
+ { 0xaa3c, 0x00003900 },
+ { 0xaa54, 0x00000008 },
+ { 0xaa60, 0x00110000 },
+ { 0 }
+};
+
+/*
+ * Some vga option roms are used for several chipsets but they only have one
+ * PCI ID in their header. If we encounter such an option rom, we need to do
+ * the mapping ourselves.
+ */
+
+u32 map_oprom_vendev(u32 vendev)
+{
+ u32 new_vendev = vendev;
+
+ switch (vendev) {
+ case 0x80860102: /* GT1 Desktop */
+ case 0x8086010a: /* GT1 Server */
+ case 0x80860112: /* GT2 Desktop */
+ case 0x80860116: /* GT2 Mobile */
+ case 0x80860122: /* GT2 Desktop >=1.3GHz */
+ case 0x80860126: /* GT2 Mobile >=1.3GHz */
+ case 0x80860156: /* IVB */
+ case 0x80860166: /* IVB */
+ /* Set to GT1 Mobile */
+ new_vendev = 0x80860106;
+ break;
+ }
+
+ return new_vendev;
+}
+
+static inline u32 gtt_read(void *bar, u32 reg)
+{
+ return readl(bar + reg);
+}
+
+static inline void gtt_write(void *bar, u32 reg, u32 data)
+{
+ writel(data, bar + reg);
+}
+
+static void gtt_write_powermeter(void *bar, const struct gt_powermeter *pm)
+{
+ for (; pm && pm->reg; pm++)
+ gtt_write(bar, pm->reg, pm->value);
+}
+
+#define GTT_RETRY 1000
+static int gtt_poll(void *bar, u32 reg, u32 mask, u32 value)
+{
+ unsigned try = GTT_RETRY;
+ u32 data;
+
+ while (try--) {
+ data = gtt_read(bar, reg);
+ if ((data & mask) == value)
+ return 1;
+ udelay(10);
+ }
+
+ printf("GT init timeout\n");
+ return 0;
+}
+
+static int gma_pm_init_pre_vbios(void *gtt_bar)
+{
+ u32 reg32;
+
+ debug("GT Power Management Init, silicon = %#x\n",
+ bridge_silicon_revision());
+
+ if (bridge_silicon_revision() < IVB_STEP_C0) {
+ /* 1: Enable force wake */
+ gtt_write(gtt_bar, 0xa18c, 0x00000001);
+ gtt_poll(gtt_bar, 0x130090, (1 << 0), (1 << 0));
+ } else {
+ gtt_write(gtt_bar, 0xa180, 1 << 5);
+ gtt_write(gtt_bar, 0xa188, 0xffff0001);
+ gtt_poll(gtt_bar, 0x130040, (1 << 0), (1 << 0));
+ }
+
+ if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_SNB) {
+ /* 1d: Set GTT+0x42004 [15:14]=11 (SnB C1+) */
+ reg32 = gtt_read(gtt_bar, 0x42004);
+ reg32 |= (1 << 14) | (1 << 15);
+ gtt_write(gtt_bar, 0x42004, reg32);
+ }
+
+ if (bridge_silicon_revision() >= IVB_STEP_A0) {
+ /* Display Reset Acknowledge Settings */
+ reg32 = gtt_read(gtt_bar, 0x45010);
+ reg32 |= (1 << 1) | (1 << 0);
+ gtt_write(gtt_bar, 0x45010, reg32);
+ }
+
+ /* 2: Get GT SKU from GTT+0x911c[13] */
+ reg32 = gtt_read(gtt_bar, 0x911c);
+ if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_SNB) {
+ if (reg32 & (1 << 13)) {
+ debug("SNB GT1 Power Meter Weights\n");
+ gtt_write_powermeter(gtt_bar, snb_pm_gt1);
+ } else {
+ debug("SNB GT2 Power Meter Weights\n");
+ gtt_write_powermeter(gtt_bar, snb_pm_gt2);
+ }
+ } else {
+ u32 unit = readl(MCHBAR_REG(0x5938)) & 0xf;
+
+ if (reg32 & (1 << 13)) {
+ /* GT1 SKU */
+ debug("IVB GT1 Power Meter Weights\n");
+ gtt_write_powermeter(gtt_bar, ivb_pm_gt1);
+ } else {
+ /* GT2 SKU */
+ u32 tdp = readl(MCHBAR_REG(0x5930)) & 0x7fff;
+ tdp /= (1 << unit);
+
+ if (tdp <= 17) {
+ /* <=17W ULV */
+ debug("IVB GT2 17W Power Meter Weights\n");
+ gtt_write_powermeter(gtt_bar, ivb_pm_gt2_17w);
+ } else if ((tdp >= 25) && (tdp <= 35)) {
+ /* 25W-35W */
+ debug("IVB GT2 25W-35W Power Meter Weights\n");
+ gtt_write_powermeter(gtt_bar, ivb_pm_gt2_35w);
+ } else {
+ /* All others */
+ debug("IVB GT2 35W Power Meter Weights\n");
+ gtt_write_powermeter(gtt_bar, ivb_pm_gt2_35w);
+ }
+ }
+ }
+
+ /* 3: Gear ratio map */
+ gtt_write(gtt_bar, 0xa004, 0x00000010);
+
+ /* 4: GFXPAUSE */
+ gtt_write(gtt_bar, 0xa000, 0x00070020);
+
+ /* 5: Dynamic EU trip control */
+ gtt_write(gtt_bar, 0xa080, 0x00000004);
+
+ /* 6: ECO bits */
+ reg32 = gtt_read(gtt_bar, 0xa180);
+ reg32 |= (1 << 26) | (1 << 31);
+ /* (bit 20=1 for SNB step D1+ / IVB A0+) */
+ if (bridge_silicon_revision() >= SNB_STEP_D1)
+ reg32 |= (1 << 20);
+ gtt_write(gtt_bar, 0xa180, reg32);
+
+ /* 6a: for SnB step D2+ only */
+ if (((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_SNB) &&
+ (bridge_silicon_revision() >= SNB_STEP_D2)) {
+ reg32 = gtt_read(gtt_bar, 0x9400);
+ reg32 |= (1 << 7);
+ gtt_write(gtt_bar, 0x9400, reg32);
+
+ reg32 = gtt_read(gtt_bar, 0x941c);
+ reg32 &= 0xf;
+ reg32 |= (1 << 1);
+ gtt_write(gtt_bar, 0x941c, reg32);
+ gtt_poll(gtt_bar, 0x941c, (1 << 1), (0 << 1));
+ }
+
+ if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_IVB) {
+ reg32 = gtt_read(gtt_bar, 0x907c);
+ reg32 |= (1 << 16);
+ gtt_write(gtt_bar, 0x907c, reg32);
+
+ /* 6b: Clocking reset controls */
+ gtt_write(gtt_bar, 0x9424, 0x00000001);
+ } else {
+ /* 6b: Clocking reset controls */
+ gtt_write(gtt_bar, 0x9424, 0x00000000);
+ }
+
+ /* 7 */
+ if (gtt_poll(gtt_bar, 0x138124, (1 << 31), (0 << 31))) {
+ gtt_write(gtt_bar, 0x138128, 0x00000029); /* Mailbox Data */
+ /* Mailbox Cmd for RC6 VID */
+ gtt_write(gtt_bar, 0x138124, 0x80000004);
+ if (gtt_poll(gtt_bar, 0x138124, (1 << 31), (0 << 31)))
+ gtt_write(gtt_bar, 0x138124, 0x8000000a);
+ gtt_poll(gtt_bar, 0x138124, (1 << 31), (0 << 31));
+ }
+
+ /* 8 */
+ gtt_write(gtt_bar, 0xa090, 0x00000000); /* RC Control */
+ gtt_write(gtt_bar, 0xa098, 0x03e80000); /* RC1e Wake Rate Limit */
+ gtt_write(gtt_bar, 0xa09c, 0x0028001e); /* RC6/6p Wake Rate Limit */
+ gtt_write(gtt_bar, 0xa0a0, 0x0000001e); /* RC6pp Wake Rate Limit */
+ gtt_write(gtt_bar, 0xa0a8, 0x0001e848); /* RC Evaluation Interval */
+ gtt_write(gtt_bar, 0xa0ac, 0x00000019); /* RC Idle Hysteresis */
+
+ /* 9 */
+ gtt_write(gtt_bar, 0x2054, 0x0000000a); /* Render Idle Max Count */
+ gtt_write(gtt_bar, 0x12054, 0x0000000a); /* Video Idle Max Count */
+ gtt_write(gtt_bar, 0x22054, 0x0000000a); /* Blitter Idle Max Count */
+
+ /* 10 */
+ gtt_write(gtt_bar, 0xa0b0, 0x00000000); /* Unblock Ack to Busy */
+ gtt_write(gtt_bar, 0xa0b4, 0x000003e8); /* RC1e Threshold */
+ gtt_write(gtt_bar, 0xa0b8, 0x0000c350); /* RC6 Threshold */
+ gtt_write(gtt_bar, 0xa0bc, 0x000186a0); /* RC6p Threshold */
+ gtt_write(gtt_bar, 0xa0c0, 0x0000fa00); /* RC6pp Threshold */
+
+ /* 11 */
+ gtt_write(gtt_bar, 0xa010, 0x000f4240); /* RP Down Timeout */
+ gtt_write(gtt_bar, 0xa014, 0x12060000); /* RP Interrupt Limits */
+ gtt_write(gtt_bar, 0xa02c, 0x00015f90); /* RP Up Threshold */
+ gtt_write(gtt_bar, 0xa030, 0x000186a0); /* RP Down Threshold */
+ gtt_write(gtt_bar, 0xa068, 0x000186a0); /* RP Up EI */
+ gtt_write(gtt_bar, 0xa06c, 0x000493e0); /* RP Down EI */
+ gtt_write(gtt_bar, 0xa070, 0x0000000a); /* RP Idle Hysteresis */
+
+ /* 11a: Enable Render Standby (RC6) */
+ if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_IVB) {
+ /*
+ * IvyBridge should also support DeepRenderStandby.
+ *
+ * Unfortunately it does not work reliably on all SKUs so
+ * disable it here and it can be enabled by the kernel.
+ */
+ gtt_write(gtt_bar, 0xa090, 0x88040000); /* HW RC Control */
+ } else {
+ gtt_write(gtt_bar, 0xa090, 0x88040000); /* HW RC Control */
+ }
+
+ /* 12: Normal Frequency Request */
+ /* RPNFREQ_VAL comes from MCHBAR 0x5998 23:16 (8 bits!? use 7) */
+ reg32 = readl(MCHBAR_REG(0x5998));
+ reg32 >>= 16;
+ reg32 &= 0xef;
+ reg32 <<= 25;
+ gtt_write(gtt_bar, 0xa008, reg32);
+
+ /* 13: RP Control */
+ gtt_write(gtt_bar, 0xa024, 0x00000592);
+
+ /* 14: Enable PM Interrupts */
+ gtt_write(gtt_bar, 0x4402c, 0x03000076);
+
+ /* Clear 0x6c024 [8:6] */
+ reg32 = gtt_read(gtt_bar, 0x6c024);
+ reg32 &= ~0x000001c0;
+ gtt_write(gtt_bar, 0x6c024, reg32);
+
+ return 0;
+}
+
+int gma_pm_init_post_vbios(void *gtt_bar, const void *blob, int node)
+{
+ u32 reg32, cycle_delay;
+
+ debug("GT Power Management Init (post VBIOS)\n");
+
+ /* 15: Deassert Force Wake */
+ if (bridge_silicon_revision() < IVB_STEP_C0) {
+ gtt_write(gtt_bar, 0xa18c, gtt_read(gtt_bar, 0xa18c) & ~1);
+ gtt_poll(gtt_bar, 0x130090, (1 << 0), (0 << 0));
+ } else {
+ gtt_write(gtt_bar, 0xa188, 0x1fffe);
+ if (gtt_poll(gtt_bar, 0x130040, (1 << 0), (0 << 0))) {
+ gtt_write(gtt_bar, 0xa188,
+ gtt_read(gtt_bar, 0xa188) | 1);
+ }
+ }
+
+ /* 16: SW RC Control */
+ gtt_write(gtt_bar, 0xa094, 0x00060000);
+
+ /* Setup Digital Port Hotplug */
+ reg32 = gtt_read(gtt_bar, 0xc4030);
+ if (!reg32) {
+ u32 dp_hotplug[3];
+
+ if (fdtdec_get_int_array(blob, node, "intel,dp_hotplug",
+ dp_hotplug, ARRAY_SIZE(dp_hotplug)))
+ return -EINVAL;
+
+ reg32 = (dp_hotplug[0] & 0x7) << 2;
+ reg32 |= (dp_hotplug[0] & 0x7) << 10;
+ reg32 |= (dp_hotplug[0] & 0x7) << 18;
+ gtt_write(gtt_bar, 0xc4030, reg32);
+ }
+
+ /* Setup Panel Power On Delays */
+ reg32 = gtt_read(gtt_bar, 0xc7208);
+ if (!reg32) {
+ reg32 = (unsigned)fdtdec_get_int(blob, node,
+ "panel-port-select", 0) << 30;
+ reg32 |= fdtdec_get_int(blob, node, "panel-power-up-delay", 0)
+ << 16;
+ reg32 |= fdtdec_get_int(blob, node,
+ "panel-power-backlight-on-delay", 0);
+ gtt_write(gtt_bar, 0xc7208, reg32);
+ }
+
+ /* Setup Panel Power Off Delays */
+ reg32 = gtt_read(gtt_bar, 0xc720c);
+ if (!reg32) {
+ reg32 = fdtdec_get_int(blob, node, "panel-power-down-delay", 0)
+ << 16;
+ reg32 |= fdtdec_get_int(blob, node,
+ "panel-power-backlight-off-delay", 0);
+ gtt_write(gtt_bar, 0xc720c, reg32);
+ }
+
+ /* Setup Panel Power Cycle Delay */
+ cycle_delay = fdtdec_get_int(blob, node,
+ "intel,panel-power-cycle-delay", 0);
+ if (cycle_delay) {
+ reg32 = gtt_read(gtt_bar, 0xc7210);
+ reg32 &= ~0xff;
+ reg32 |= cycle_delay;
+ gtt_write(gtt_bar, 0xc7210, reg32);
+ }
+
+ /* Enable Backlight if needed */
+ reg32 = fdtdec_get_int(blob, node, "intel,cpu-backlight", 0);
+ if (reg32) {
+ gtt_write(gtt_bar, 0x48250, (1 << 31));
+ gtt_write(gtt_bar, 0x48254, reg32);
+ }
+ reg32 = fdtdec_get_int(blob, node, "intel,pch-backlight", 0);
+ if (reg32) {
+ gtt_write(gtt_bar, 0xc8250, (1 << 31));
+ gtt_write(gtt_bar, 0xc8254, reg32);
+ }
+
+ return 0;
+}
+
+/*
+ * Some vga option roms are used for several chipsets but they only have one
+ * PCI ID in their header. If we encounter such an option rom, we need to do
+ * the mapping ourselves.
+ */
+
+uint32_t board_map_oprom_vendev(uint32_t vendev)
+{
+ switch (vendev) {
+ case 0x80860102: /* GT1 Desktop */
+ case 0x8086010a: /* GT1 Server */
+ case 0x80860112: /* GT2 Desktop */
+ case 0x80860116: /* GT2 Mobile */
+ case 0x80860122: /* GT2 Desktop >=1.3GHz */
+ case 0x80860126: /* GT2 Mobile >=1.3GHz */
+ case 0x80860156: /* IVB */
+ case 0x80860166: /* IVB */
+ return 0x80860106; /* GT1 Mobile */
+ }
+
+ return vendev;
+}
+
+static int int15_handler(void)
+{
+ int res = 0;
+
+ debug("%s: INT15 function %04x!\n", __func__, M.x86.R_AX);
+
+ switch (M.x86.R_AX) {
+ case 0x5f34:
+ /*
+ * Set Panel Fitting Hook:
+ * bit 2 = Graphics Stretching
+ * bit 1 = Text Stretching
+ * bit 0 = Centering (do not set with bit1 or bit2)
+ * 0 = video bios default
+ */
+ M.x86.R_AX = 0x005f;
+ M.x86.R_CL = 0x00; /* Use video bios default */
+ res = 1;
+ break;
+ case 0x5f35:
+ /*
+ * Boot Display Device Hook:
+ * bit 0 = CRT
+ * bit 1 = TV (eDP)
+ * bit 2 = EFP
+ * bit 3 = LFP
+ * bit 4 = CRT2
+ * bit 5 = TV2 (eDP)
+ * bit 6 = EFP2
+ * bit 7 = LFP2
+ */
+ M.x86.R_AX = 0x005f;
+ M.x86.R_CX = 0x0000; /* Use video bios default */
+ res = 1;
+ break;
+ case 0x5f51:
+ /*
+ * Hook to select active LFP configuration:
+ * 00h = No LVDS, VBIOS does not enable LVDS
+ * 01h = Int-LVDS, LFP driven by integrated LVDS decoder
+ * 02h = SVDO-LVDS, LFP driven by SVDO decoder
+ * 03h = eDP, LFP Driven by Int-DisplayPort encoder
+ */
+ M.x86.R_AX = 0x005f;
+ M.x86.R_CX = 0x0003; /* eDP */
+ res = 1;
+ break;
+ case 0x5f70:
+ switch (M.x86.R_CH) {
+ case 0:
+ /* Get Mux */
+ M.x86.R_AX = 0x005f;
+ M.x86.R_CX = 0x0000;
+ res = 1;
+ break;
+ case 1:
+ /* Set Mux */
+ M.x86.R_AX = 0x005f;
+ M.x86.R_CX = 0x0000;
+ res = 1;
+ break;
+ case 2:
+ /* Get SG/Non-SG mode */
+ M.x86.R_AX = 0x005f;
+ M.x86.R_CX = 0x0000;
+ res = 1;
+ break;
+ default:
+ /* Interrupt was not handled */
+ debug("Unknown INT15 5f70 function: 0x%02x\n",
+ M.x86.R_CH);
+ break;
+ }
+ break;
+ case 0x5fac:
+ res = 1;
+ break;
+ default:
+ debug("Unknown INT15 function %04x!\n", M.x86.R_AX);
+ break;
+ }
+ return res;
+}
+
+int gma_func0_init(pci_dev_t dev, struct pci_controller *hose,
+ const void *blob, int node)
+{
+ void *gtt_bar;
+ u32 reg32;
+ int ret;
+
+ /* IGD needs to be Bus Master */
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
+ pci_write_config32(dev, PCI_COMMAND, reg32);
+
+ gtt_bar = (void *)pci_read_bar32(pci_bus_to_hose(0), dev, 0);
+ debug("GT bar %p\n", gtt_bar);
+ ret = gma_pm_init_pre_vbios(gtt_bar);
+ if (ret)
+ return ret;
+
+ ret = pci_run_vga_bios(dev, int15_handler, false);
+
+ /* Post VBIOS init */
+ ret = gma_pm_init_post_vbios(gtt_bar, blob, node);
+ if (ret)
+ return ret;
+
+ return 0;
+}
diff --git a/arch/x86/cpu/ivybridge/gma.h b/arch/x86/cpu/ivybridge/gma.h
new file mode 100644
index 0000000000..e7ec649b80
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/gma.h
@@ -0,0 +1,156 @@
+/*
+ * From Coreboot file of the same name
+ *
+ * Copyright (C) 2012 Chromium OS Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+/* mailbox 0: header */
+__packed struct opregion_header {
+ u8 signature[16];
+ u32 size;
+ u32 version;
+ u8 sbios_version[32];
+ u8 vbios_version[16];
+ u8 driver_version[16];
+ u32 mailboxes;
+ u8 reserved[164];
+};
+
+#define IGD_OPREGION_SIGNATURE "IntelGraphicsMem"
+#define IGD_OPREGION_VERSION 2
+
+#define IGD_MBOX1 (1 << 0)
+#define IGD_MBOX2 (1 << 1)
+#define IGD_MBOX3 (1 << 2)
+#define IGD_MBOX4 (1 << 3)
+#define IGD_MBOX5 (1 << 4)
+
+#define MAILBOXES_MOBILE (IGD_MBOX1 | IGD_MBOX2 | IGD_MBOX3 | \
+ IGD_MBOX4 | IGD_MBOX5)
+#define MAILBOXES_DESKTOP (IGD_MBOX2 | IGD_MBOX4)
+
+#define SBIOS_VERSION_SIZE 32
+
+/* mailbox 1: public acpi methods */
+__packed struct opregion_mailbox1 {
+ u32 drdy;
+ u32 csts;
+ u32 cevt;
+ u8 reserved1[20];
+ u32 didl[8];
+ u32 cpdl[8];
+ u32 cadl[8];
+ u32 nadl[8];
+ u32 aslp;
+ u32 tidx;
+ u32 chpd;
+ u32 clid;
+ u32 cdck;
+ u32 sxsw;
+ u32 evts;
+ u32 cnot;
+ u32 nrdy;
+ u8 reserved2[60];
+};
+
+/* mailbox 2: software sci interface */
+__packed struct opregion_mailbox2 {
+ u32 scic;
+ u32 parm;
+ u32 dslp;
+ u8 reserved[244];
+};
+
+/* mailbox 3: power conservation */
+__packed struct opregion_mailbox3 {
+ u32 ardy;
+ u32 aslc;
+ u32 tche;
+ u32 alsi;
+ u32 bclp;
+ u32 pfit;
+ u32 cblv;
+ u16 bclm[20];
+ u32 cpfm;
+ u32 epfm;
+ u8 plut[74];
+ u32 pfmb;
+ u32 ccdv;
+ u32 pcft;
+ u8 reserved[94];
+};
+
+#define IGD_BACKLIGHT_BRIGHTNESS 0xff
+#define IGD_INITIAL_BRIGHTNESS 0x64
+
+#define IGD_FIELD_VALID (1 << 31)
+#define IGD_WORD_FIELD_VALID (1 << 15)
+#define IGD_PFIT_STRETCH 6
+
+/* mailbox 4: vbt */
+__packed struct {
+ u8 gvd1[7168];
+} opregion_vbt_t;
+
+/* IGD OpRegion */
+__packed struct igd_opregion {
+ opregion_header_t header;
+ opregion_mailbox1_t mailbox1;
+ opregion_mailbox2_t mailbox2;
+ opregion_mailbox3_t mailbox3;
+ opregion_vbt_t vbt;
+};
+
+/* Intel Video BIOS (Option ROM) */
+__packed struct optionrom_header {
+ u16 signature;
+ u8 size;
+ u8 reserved[21];
+ u16 pcir_offset;
+ u16 vbt_offset;
+};
+
+#define OPROM_SIGNATURE 0xaa55
+
+__packed struct optionrom_pcir {
+ u32 signature;
+ u16 vendor;
+ u16 device;
+ u16 reserved1;
+ u16 length;
+ u8 revision;
+ u8 classcode[3];
+ u16 imagelength;
+ u16 coderevision;
+ u8 codetype;
+ u8 indicator;
+ u16 reserved2;
+};
+
+__packed struct optionrom_vbt {
+ u8 hdr_signature[20];
+ u16 hdr_version;
+ u16 hdr_size;
+ u16 hdr_vbt_size;
+ u8 hdr_vbt_checksum;
+ u8 hdr_reserved;
+ u32 hdr_vbt_datablock;
+ u32 hdr_aim[4];
+ u8 datahdr_signature[16];
+ u16 datahdr_version;
+ u16 datahdr_size;
+ u16 datahdr_datablocksize;
+ u8 coreblock_id;
+ u16 coreblock_size;
+ u16 coreblock_biossize;
+ u8 coreblock_biostype;
+ u8 coreblock_releasestatus;
+ u8 coreblock_hwsupported;
+ u8 coreblock_integratedhw;
+ u8 coreblock_biosbuild[4];
+ u8 coreblock_biossignon[155];
+};
+
+#define VBT_SIGNATURE 0x54425624
diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c
index 621ef2cee6..43fdd31428 100644
--- a/arch/x86/cpu/ivybridge/lpc.c
+++ b/arch/x86/cpu/ivybridge/lpc.c
@@ -9,10 +9,460 @@
#include <common.h>
#include <errno.h>
#include <fdtdec.h>
+#include <rtc.h>
#include <pci.h>
+#include <asm/acpi.h>
+#include <asm/interrupt.h>
+#include <asm/io.h>
+#include <asm/ioapic.h>
#include <asm/pci.h>
#include <asm/arch/pch.h>
+#define NMI_OFF 0
+
+#define ENABLE_ACPI_MODE_IN_COREBOOT 0
+#define TEST_SMM_FLASH_LOCKDOWN 0
+
+static int pch_enable_apic(pci_dev_t dev)
+{
+ u32 reg32;
+ int i;
+
+ /* Enable ACPI I/O and power management. Set SCI IRQ to IRQ9 */
+ pci_write_config8(dev, ACPI_CNTL, 0x80);
+
+ writel(0, IO_APIC_INDEX);
+ writel(1 << 25, IO_APIC_DATA);
+
+ /* affirm full set of redirection table entries ("write once") */
+ writel(1, IO_APIC_INDEX);
+ reg32 = readl(IO_APIC_DATA);
+ writel(1, IO_APIC_INDEX);
+ writel(reg32, IO_APIC_DATA);
+
+ writel(0, IO_APIC_INDEX);
+ reg32 = readl(IO_APIC_DATA);
+ debug("PCH APIC ID = %x\n", (reg32 >> 24) & 0x0f);
+ if (reg32 != (1 << 25)) {
+ printf("APIC Error - cannot write to registers\n");
+ return -EPERM;
+ }
+
+ debug("Dumping IOAPIC registers\n");
+ for (i = 0; i < 3; i++) {
+ writel(i, IO_APIC_INDEX);
+ debug(" reg 0x%04x:", i);
+ reg32 = readl(IO_APIC_DATA);
+ debug(" 0x%08x\n", reg32);
+ }
+
+ /* Select Boot Configuration register. */
+ writel(3, IO_APIC_INDEX);
+
+ /* Use Processor System Bus to deliver interrupts. */
+ writel(1, IO_APIC_DATA);
+
+ return 0;
+}
+
+static void pch_enable_serial_irqs(pci_dev_t dev)
+{
+ u32 value;
+
+ /* Set packet length and toggle silent mode bit for one frame. */
+ value = (1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0);
+#ifdef CONFIG_SERIRQ_CONTINUOUS_MODE
+ pci_write_config8(dev, SERIRQ_CNTL, value);
+#else
+ pci_write_config8(dev, SERIRQ_CNTL, value | (1 << 6));
+#endif
+}
+
+static int pch_pirq_init(const void *blob, int node, pci_dev_t dev)
+{
+ uint8_t route[8], *ptr;
+
+ if (fdtdec_get_byte_array(blob, node, "intel,pirq-routing", route,
+ sizeof(route)))
+ return -EINVAL;
+ ptr = route;
+ pci_write_config8(dev, PIRQA_ROUT, *ptr++);
+ pci_write_config8(dev, PIRQB_ROUT, *ptr++);
+ pci_write_config8(dev, PIRQC_ROUT, *ptr++);
+ pci_write_config8(dev, PIRQD_ROUT, *ptr++);
+
+ pci_write_config8(dev, PIRQE_ROUT, *ptr++);
+ pci_write_config8(dev, PIRQF_ROUT, *ptr++);
+ pci_write_config8(dev, PIRQG_ROUT, *ptr++);
+ pci_write_config8(dev, PIRQH_ROUT, *ptr++);
+
+ /*
+ * TODO(sjg@chromium.org): U-Boot does not set up the interrupts
+ * here. It's unclear if it is needed
+ */
+ return 0;
+}
+
+static int pch_gpi_routing(const void *blob, int node, pci_dev_t dev)
+{
+ u8 route[16];
+ u32 reg;
+ int gpi;
+
+ if (fdtdec_get_byte_array(blob, node, "intel,gpi-routing", route,
+ sizeof(route)))
+ return -EINVAL;
+
+ for (reg = 0, gpi = 0; gpi < ARRAY_SIZE(route); gpi++)
+ reg |= route[gpi] << (gpi * 2);
+
+ pci_write_config32(dev, 0xb8, reg);
+
+ return 0;
+}
+
+static int pch_power_options(const void *blob, int node, pci_dev_t dev)
+{
+ u8 reg8;
+ u16 reg16, pmbase;
+ u32 reg32;
+ const char *state;
+ int pwr_on;
+ int nmi_option;
+ int ret;
+
+ /*
+ * Which state do we want to goto after g3 (power restored)?
+ * 0 == S0 Full On
+ * 1 == S5 Soft Off
+ *
+ * If the option is not existent (Laptops), use Kconfig setting.
+ * TODO(sjg@chromium.org): Make this configurable
+ */
+ pwr_on = MAINBOARD_POWER_ON;
+
+ reg16 = pci_read_config16(dev, GEN_PMCON_3);
+ reg16 &= 0xfffe;
+ switch (pwr_on) {
+ case MAINBOARD_POWER_OFF:
+ reg16 |= 1;
+ state = "off";
+ break;
+ case MAINBOARD_POWER_ON:
+ reg16 &= ~1;
+ state = "on";
+ break;
+ case MAINBOARD_POWER_KEEP:
+ reg16 &= ~1;
+ state = "state keep";
+ break;
+ default:
+ state = "undefined";
+ }
+
+ reg16 &= ~(3 << 4); /* SLP_S4# Assertion Stretch 4s */
+ reg16 |= (1 << 3); /* SLP_S4# Assertion Stretch Enable */
+
+ reg16 &= ~(1 << 10);
+ reg16 |= (1 << 11); /* SLP_S3# Min Assertion Width 50ms */
+
+ reg16 |= (1 << 12); /* Disable SLP stretch after SUS well */
+
+ pci_write_config16(dev, GEN_PMCON_3, reg16);
+ debug("Set power %s after power failure.\n", state);
+
+ /* Set up NMI on errors. */
+ reg8 = inb(0x61);
+ reg8 &= 0x0f; /* Higher Nibble must be 0 */
+ reg8 &= ~(1 << 3); /* IOCHK# NMI Enable */
+ reg8 |= (1 << 2); /* PCI SERR# Disable for now */
+ outb(reg8, 0x61);
+
+ reg8 = inb(0x70);
+ /* TODO(sjg@chromium.org): Make this configurable */
+ nmi_option = NMI_OFF;
+ if (nmi_option) {
+ debug("NMI sources enabled.\n");
+ reg8 &= ~(1 << 7); /* Set NMI. */
+ } else {
+ debug("NMI sources disabled.\n");
+ /* Can't mask NMI from PCI-E and NMI_NOW */
+ reg8 |= (1 << 7);
+ }
+ outb(reg8, 0x70);
+
+ /* Enable CPU_SLP# and Intel Speedstep, set SMI# rate down */
+ reg16 = pci_read_config16(dev, GEN_PMCON_1);
+ reg16 &= ~(3 << 0); /* SMI# rate 1 minute */
+ reg16 &= ~(1 << 10); /* Disable BIOS_PCI_EXP_EN for native PME */
+#if DEBUG_PERIODIC_SMIS
+ /* Set DEBUG_PERIODIC_SMIS in pch.h to debug using periodic SMIs */
+ reg16 |= (3 << 0); /* Periodic SMI every 8s */
+#endif
+ pci_write_config16(dev, GEN_PMCON_1, reg16);
+
+ /* Set the board's GPI routing. */
+ ret = pch_gpi_routing(blob, node, dev);
+ if (ret)
+ return ret;
+
+ pmbase = pci_read_config16(dev, 0x40) & 0xfffe;
+
+ writel(pmbase + GPE0_EN, fdtdec_get_int(blob, node,
+ "intel,gpe0-enable", 0));
+ writew(pmbase + ALT_GP_SMI_EN, fdtdec_get_int(blob, node,
+ "intel,alt-gp-smi-enable", 0));
+
+ /* Set up power management block and determine sleep mode */
+ reg32 = inl(pmbase + 0x04); /* PM1_CNT */
+ reg32 &= ~(7 << 10); /* SLP_TYP */
+ reg32 |= (1 << 0); /* SCI_EN */
+ outl(reg32, pmbase + 0x04);
+
+ /* Clear magic status bits to prevent unexpected wake */
+ setbits_le32(RCB_REG(0x3310), (1 << 4) | (1 << 5) | (1 << 0));
+ clrbits_le32(RCB_REG(0x3f02), 0xf);
+
+ return 0;
+}
+
+static void pch_rtc_init(pci_dev_t dev)
+{
+ int rtc_failed;
+ u8 reg8;
+
+ reg8 = pci_read_config8(dev, GEN_PMCON_3);
+ rtc_failed = reg8 & RTC_BATTERY_DEAD;
+ if (rtc_failed) {
+ reg8 &= ~RTC_BATTERY_DEAD;
+ pci_write_config8(dev, GEN_PMCON_3, reg8);
+ }
+ debug("rtc_failed = 0x%x\n", rtc_failed);
+
+#if CONFIG_HAVE_ACPI_RESUME
+ /* Avoid clearing pending interrupts and resetting the RTC control
+ * register in the resume path because the Linux kernel relies on
+ * this to know if it should restart the RTC timerqueue if the wake
+ * was due to the RTC alarm.
+ */
+ if (acpi_get_slp_type() == 3)
+ return;
+#endif
+ /* TODO: Handle power failure */
+ if (rtc_failed)
+ printf("RTC power failed\n");
+ rtc_init();
+}
+
+/* CougarPoint PCH Power Management init */
+static void cpt_pm_init(pci_dev_t dev)
+{
+ debug("CougarPoint PM init\n");
+ pci_write_config8(dev, 0xa9, 0x47);
+ setbits_le32(RCB_REG(0x2238), (1 << 6) | (1 << 0));
+
+ setbits_le32(RCB_REG(0x228c), 1 << 0);
+ setbits_le32(RCB_REG(0x1100), (1 << 13) | (1 << 14));
+ setbits_le32(RCB_REG(0x0900), 1 << 14);
+ writel(0xc0388400, RCB_REG(0x2304));
+ setbits_le32(RCB_REG(0x2314), (1 << 5) | (1 << 18));
+ setbits_le32(RCB_REG(0x2320), (1 << 15) | (1 << 1));
+ clrsetbits_le32(RCB_REG(0x3314), ~0x1f, 0xf);
+ writel(0x050f0000, RCB_REG(0x3318));
+ writel(0x04000000, RCB_REG(0x3324));
+ setbits_le32(RCB_REG(0x3340), 0xfffff);
+ setbits_le32(RCB_REG(0x3344), 1 << 1);
+
+ writel(0x0001c000, RCB_REG(0x3360));
+ writel(0x00061100, RCB_REG(0x3368));
+ writel(0x7f8fdfff, RCB_REG(0x3378));
+ writel(0x000003fc, RCB_REG(0x337c));
+ writel(0x00001000, RCB_REG(0x3388));
+ writel(0x0001c000, RCB_REG(0x3390));
+ writel(0x00000800, RCB_REG(0x33a0));
+ writel(0x00001000, RCB_REG(0x33b0));
+ writel(0x00093900, RCB_REG(0x33c0));
+ writel(0x24653002, RCB_REG(0x33cc));
+ writel(0x062108fe, RCB_REG(0x33d0));
+ clrsetbits_le32(RCB_REG(0x33d4), 0x0fff0fff, 0x00670060);
+ writel(0x01010000, RCB_REG(0x3a28));
+ writel(0x01010404, RCB_REG(0x3a2c));
+ writel(0x01041041, RCB_REG(0x3a80));
+ clrsetbits_le32(RCB_REG(0x3a84), 0x0000ffff, 0x00001001);
+ setbits_le32(RCB_REG(0x3a84), 1 << 24); /* SATA 2/3 disabled */
+ setbits_le32(RCB_REG(0x3a88), 1 << 0); /* SATA 4/5 disabled */
+ writel(0x00000001, RCB_REG(0x3a6c));
+ clrsetbits_le32(RCB_REG(0x2344), ~0x00ffff00, 0xff00000c);
+ clrsetbits_le32(RCB_REG(0x80c), 0xff << 20, 0x11 << 20);
+ writel(0, RCB_REG(0x33c8));
+ setbits_le32(RCB_REG(0x21b0), 0xf);
+}
+
+/* PantherPoint PCH Power Management init */
+static void ppt_pm_init(pci_dev_t dev)
+{
+ debug("PantherPoint PM init\n");
+ pci_write_config8(dev, 0xa9, 0x47);
+ setbits_le32(RCB_REG(0x2238), 1 << 0);
+ setbits_le32(RCB_REG(0x228c), 1 << 0);
+ setbits_le16(RCB_REG(0x1100), (1 << 13) | (1 << 14));
+ setbits_le16(RCB_REG(0x0900), 1 << 14);
+ writel(0xc03b8400, RCB_REG(0x2304));
+ setbits_le32(RCB_REG(0x2314), (1 << 5) | (1 << 18));
+ setbits_le32(RCB_REG(0x2320), (1 << 15) | (1 << 1));
+ clrsetbits_le32(RCB_REG(0x3314), 0x1f, 0xf);
+ writel(0x054f0000, RCB_REG(0x3318));
+ writel(0x04000000, RCB_REG(0x3324));
+ setbits_le32(RCB_REG(0x3340), 0xfffff);
+ setbits_le32(RCB_REG(0x3344), (1 << 1) | (1 << 0));
+ writel(0x0001c000, RCB_REG(0x3360));
+ writel(0x00061100, RCB_REG(0x3368));
+ writel(0x7f8fdfff, RCB_REG(0x3378));
+ writel(0x000003fd, RCB_REG(0x337c));
+ writel(0x00001000, RCB_REG(0x3388));
+ writel(0x0001c000, RCB_REG(0x3390));
+ writel(0x00000800, RCB_REG(0x33a0));
+ writel(0x00001000, RCB_REG(0x33b0));
+ writel(0x00093900, RCB_REG(0x33c0));
+ writel(0x24653002, RCB_REG(0x33cc));
+ writel(0x067388fe, RCB_REG(0x33d0));
+ clrsetbits_le32(RCB_REG(0x33d4), 0x0fff0fff, 0x00670060);
+ writel(0x01010000, RCB_REG(0x3a28));
+ writel(0x01010404, RCB_REG(0x3a2c));
+ writel(0x01040000, RCB_REG(0x3a80));
+ clrsetbits_le32(RCB_REG(0x3a84), 0x0000ffff, 0x00001001);
+ /* SATA 2/3 disabled */
+ setbits_le32(RCB_REG(0x3a84), 1 << 24);
+ /* SATA 4/5 disabled */
+ setbits_le32(RCB_REG(0x3a88), 1 << 0);
+ writel(0x00000001, RCB_REG(0x3a6c));
+ clrsetbits_le32(RCB_REG(0x2344), 0xff0000ff, 0xff00000c);
+ clrsetbits_le32(RCB_REG(0x80c), 0xff << 20, 0x11 << 20);
+ setbits_le32(RCB_REG(0x33a4), (1 << 0));
+ writel(0, RCB_REG(0x33c8));
+ setbits_le32(RCB_REG(0x21b0), 0xf);
+}
+
+static void enable_hpet(void)
+{
+ /* Move HPET to default address 0xfed00000 and enable it */
+ clrsetbits_le32(RCB_REG(HPTC), 3 << 0, 1 << 7);
+}
+
+static void enable_clock_gating(pci_dev_t dev)
+{
+ u32 reg32;
+ u16 reg16;
+
+ setbits_le32(RCB_REG(0x2234), 0xf);
+
+ reg16 = pci_read_config16(dev, GEN_PMCON_1);
+ reg16 |= (1 << 2) | (1 << 11);
+ pci_write_config16(dev, GEN_PMCON_1, reg16);
+
+ pch_iobp_update(0xEB007F07, ~0UL, (1 << 31));
+ pch_iobp_update(0xEB004000, ~0UL, (1 << 7));
+ pch_iobp_update(0xEC007F07, ~0UL, (1 << 31));
+ pch_iobp_update(0xEC004000, ~0UL, (1 << 7));
+
+ reg32 = readl(RCB_REG(CG));
+ reg32 |= (1 << 31);
+ reg32 |= (1 << 29) | (1 << 28);
+ reg32 |= (1 << 27) | (1 << 26) | (1 << 25) | (1 << 24);
+ reg32 |= (1 << 16);
+ reg32 |= (1 << 17);
+ reg32 |= (1 << 18);
+ reg32 |= (1 << 22);
+ reg32 |= (1 << 23);
+ reg32 &= ~(1 << 20);
+ reg32 |= (1 << 19);
+ reg32 |= (1 << 0);
+ reg32 |= (0xf << 1);
+ writel(reg32, RCB_REG(CG));
+
+ setbits_le32(RCB_REG(0x38c0), 0x7);
+ setbits_le32(RCB_REG(0x36d4), 0x6680c004);
+ setbits_le32(RCB_REG(0x3564), 0x3);
+}
+
+#if CONFIG_HAVE_SMI_HANDLER
+static void pch_lock_smm(pci_dev_t dev)
+{
+#if TEST_SMM_FLASH_LOCKDOWN
+ u8 reg8;
+#endif
+
+ if (acpi_slp_type != 3) {
+#if ENABLE_ACPI_MODE_IN_COREBOOT
+ debug("Enabling ACPI via APMC:\n");
+ outb(0xe1, 0xb2); /* Enable ACPI mode */
+ debug("done.\n");
+#else
+ debug("Disabling ACPI via APMC:\n");
+ outb(0x1e, 0xb2); /* Disable ACPI mode */
+ debug("done.\n");
+#endif
+ }
+
+ /* Don't allow evil boot loaders, kernels, or
+ * userspace applications to deceive us:
+ */
+ smm_lock();
+
+#if TEST_SMM_FLASH_LOCKDOWN
+ /* Now try this: */
+ debug("Locking BIOS to RO... ");
+ reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
+ debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
+ (reg8 & 1) ? "rw" : "ro");
+ reg8 &= ~(1 << 0); /* clear BIOSWE */
+ pci_write_config8(dev, 0xdc, reg8);
+ reg8 |= (1 << 1); /* set BLE */
+ pci_write_config8(dev, 0xdc, reg8);
+ debug("ok.\n");
+ reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
+ debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
+ (reg8 & 1) ? "rw" : "ro");
+
+ debug("Writing:\n");
+ writeb(0, 0xfff00000);
+ debug("Testing:\n");
+ reg8 |= (1 << 0); /* set BIOSWE */
+ pci_write_config8(dev, 0xdc, reg8);
+
+ reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
+ debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
+ (reg8 & 1) ? "rw" : "ro");
+ debug("Done.\n");
+#endif
+}
+#endif
+
+static void pch_disable_smm_only_flashing(pci_dev_t dev)
+{
+ u8 reg8;
+
+ debug("Enabling BIOS updates outside of SMM... ");
+ reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
+ reg8 &= ~(1 << 5);
+ pci_write_config8(dev, 0xdc, reg8);
+}
+
+static void pch_fixups(pci_dev_t dev)
+{
+ u8 gen_pmcon_2;
+
+ /* Indicate DRAM init done for MRC S3 to know it can resume */
+ gen_pmcon_2 = pci_read_config8(dev, GEN_PMCON_2);
+ gen_pmcon_2 |= (1 << 7);
+ pci_write_config8(dev, GEN_PMCON_2, gen_pmcon_2);
+
+ /* Enable DMI ASPM in the PCH */
+ clrbits_le32(RCB_REG(0x2304), 1 << 10);
+ setbits_le32(RCB_REG(0x21a4), (1 << 11) | (1 << 10));
+ setbits_le32(RCB_REG(0x21a8), 0x3);
+}
+
int lpc_early_init(const void *blob, int node, pci_dev_t dev)
{
struct reg_info {
@@ -22,7 +472,7 @@ int lpc_early_init(const void *blob, int node, pci_dev_t dev)
int count;
int i;
- count = fdtdec_get_int_array_count(blob, node, "gen-dec",
+ count = fdtdec_get_int_array_count(blob, node, "intel,gen-dec",
(u32 *)values, sizeof(values) / sizeof(u32));
if (count < 0)
return -EINVAL;
@@ -46,3 +496,74 @@ int lpc_early_init(const void *blob, int node, pci_dev_t dev)
return 0;
}
+
+int lpc_init(struct pci_controller *hose, pci_dev_t dev)
+{
+ const void *blob = gd->fdt_blob;
+ int node;
+
+ debug("pch: lpc_init\n");
+ pci_write_bar32(hose, dev, 0, 0);
+ pci_write_bar32(hose, dev, 1, 0xff800000);
+ pci_write_bar32(hose, dev, 2, 0xfec00000);
+ pci_write_bar32(hose, dev, 3, 0x800);
+ pci_write_bar32(hose, dev, 4, 0x900);
+
+ node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_LPC);
+ if (node < 0)
+ return -ENOENT;
+
+ /* Set the value for PCI command register. */
+ pci_write_config16(dev, PCI_COMMAND, 0x000f);
+
+ /* IO APIC initialization. */
+ pch_enable_apic(dev);
+
+ pch_enable_serial_irqs(dev);
+
+ /* Setup the PIRQ. */
+ pch_pirq_init(blob, node, dev);
+
+ /* Setup power options. */
+ pch_power_options(blob, node, dev);
+
+ /* Initialize power management */
+ switch (pch_silicon_type()) {
+ case PCH_TYPE_CPT: /* CougarPoint */
+ cpt_pm_init(dev);
+ break;
+ case PCH_TYPE_PPT: /* PantherPoint */
+ ppt_pm_init(dev);
+ break;
+ default:
+ printf("Unknown Chipset: %#02x.%dx\n", PCI_DEV(dev),
+ PCI_FUNC(dev));
+ return -ENOSYS;
+ }
+
+ /* Initialize the real time clock. */
+ pch_rtc_init(dev);
+
+ /* Initialize the High Precision Event Timers, if present. */
+ enable_hpet();
+
+ /* Initialize Clock Gating */
+ enable_clock_gating(dev);
+
+ pch_disable_smm_only_flashing(dev);
+
+#if CONFIG_HAVE_SMI_HANDLER
+ pch_lock_smm(dev);
+#endif
+
+ pch_fixups(dev);
+
+ return 0;
+}
+
+void lpc_enable(pci_dev_t dev)
+{
+ /* Enable PCH Display Port */
+ writew(0x0010, RCB_REG(DISPBDF));
+ setbits_le32(RCB_REG(FD2), PCH_ENABLE_DBDF);
+}
diff --git a/arch/x86/cpu/ivybridge/model_206ax.c b/arch/x86/cpu/ivybridge/model_206ax.c
new file mode 100644
index 0000000000..11dc625da9
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/model_206ax.c
@@ -0,0 +1,514 @@
+/*
+ * From Coreboot file of same name
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011 The Chromium Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <malloc.h>
+#include <asm/acpi.h>
+#include <asm/cpu.h>
+#include <asm/lapic.h>
+#include <asm/lapic_def.h>
+#include <asm/msr.h>
+#include <asm/mtrr.h>
+#include <asm/processor.h>
+#include <asm/speedstep.h>
+#include <asm/turbo.h>
+#include <asm/arch/model_206ax.h>
+
+static void enable_vmx(void)
+{
+ struct cpuid_result regs;
+#ifdef CONFIG_ENABLE_VMX
+ int enable = true;
+#else
+ int enable = false;
+#endif
+ msr_t msr;
+
+ regs = cpuid(1);
+ /* Check that the VMX is supported before reading or writing the MSR. */
+ if (!((regs.ecx & CPUID_VMX) || (regs.ecx & CPUID_SMX)))
+ return;
+
+ msr = msr_read(MSR_IA32_FEATURE_CONTROL);
+
+ if (msr.lo & (1 << 0)) {
+ debug("VMX is locked, so %s will do nothing\n", __func__);
+ /* VMX locked. If we set it again we get an illegal
+ * instruction
+ */
+ return;
+ }
+
+ /* The IA32_FEATURE_CONTROL MSR may initialize with random values.
+ * It must be cleared regardless of VMX config setting.
+ */
+ msr.hi = 0;
+ msr.lo = 0;
+
+ debug("%s VMX\n", enable ? "Enabling" : "Disabling");
+
+ /*
+ * Even though the Intel manual says you must set the lock bit in
+ * addition to the VMX bit in order for VMX to work, it is incorrect.
+ * Thus we leave it unlocked for the OS to manage things itself.
+ * This is good for a few reasons:
+ * - No need to reflash the bios just to toggle the lock bit.
+ * - The VMX bits really really should match each other across cores,
+ * so hard locking it on one while another has the opposite setting
+ * can easily lead to crashes as code using VMX migrates between
+ * them.
+ * - Vendors that want to "upsell" from a bios that disables+locks to
+ * one that doesn't is sleazy.
+ * By leaving this to the OS (e.g. Linux), people can do exactly what
+ * they want on the fly, and do it correctly (e.g. across multiple
+ * cores).
+ */
+ if (enable) {
+ msr.lo |= (1 << 2);
+ if (regs.ecx & CPUID_SMX)
+ msr.lo |= (1 << 1);
+ }
+
+ msr_write(MSR_IA32_FEATURE_CONTROL, msr);
+}
+
+/* Convert time in seconds to POWER_LIMIT_1_TIME MSR value */
+static const u8 power_limit_time_sec_to_msr[] = {
+ [0] = 0x00,
+ [1] = 0x0a,
+ [2] = 0x0b,
+ [3] = 0x4b,
+ [4] = 0x0c,
+ [5] = 0x2c,
+ [6] = 0x4c,
+ [7] = 0x6c,
+ [8] = 0x0d,
+ [10] = 0x2d,
+ [12] = 0x4d,
+ [14] = 0x6d,
+ [16] = 0x0e,
+ [20] = 0x2e,
+ [24] = 0x4e,
+ [28] = 0x6e,
+ [32] = 0x0f,
+ [40] = 0x2f,
+ [48] = 0x4f,
+ [56] = 0x6f,
+ [64] = 0x10,
+ [80] = 0x30,
+ [96] = 0x50,
+ [112] = 0x70,
+ [128] = 0x11,
+};
+
+/* Convert POWER_LIMIT_1_TIME MSR value to seconds */
+static const u8 power_limit_time_msr_to_sec[] = {
+ [0x00] = 0,
+ [0x0a] = 1,
+ [0x0b] = 2,
+ [0x4b] = 3,
+ [0x0c] = 4,
+ [0x2c] = 5,
+ [0x4c] = 6,
+ [0x6c] = 7,
+ [0x0d] = 8,
+ [0x2d] = 10,
+ [0x4d] = 12,
+ [0x6d] = 14,
+ [0x0e] = 16,
+ [0x2e] = 20,
+ [0x4e] = 24,
+ [0x6e] = 28,
+ [0x0f] = 32,
+ [0x2f] = 40,
+ [0x4f] = 48,
+ [0x6f] = 56,
+ [0x10] = 64,
+ [0x30] = 80,
+ [0x50] = 96,
+ [0x70] = 112,
+ [0x11] = 128,
+};
+
+int cpu_config_tdp_levels(void)
+{
+ struct cpuid_result result;
+ msr_t platform_info;
+
+ /* Minimum CPU revision */
+ result = cpuid(1);
+ if (result.eax < IVB_CONFIG_TDP_MIN_CPUID)
+ return 0;
+
+ /* Bits 34:33 indicate how many levels supported */
+ platform_info = msr_read(MSR_PLATFORM_INFO);
+ return (platform_info.hi >> 1) & 3;
+}
+
+/*
+ * Configure processor power limits if possible
+ * This must be done AFTER set of BIOS_RESET_CPL
+ */
+void set_power_limits(u8 power_limit_1_time)
+{
+ msr_t msr = msr_read(MSR_PLATFORM_INFO);
+ msr_t limit;
+ unsigned power_unit;
+ unsigned tdp, min_power, max_power, max_time;
+ u8 power_limit_1_val;
+
+ if (power_limit_1_time > ARRAY_SIZE(power_limit_time_sec_to_msr))
+ return;
+
+ if (!(msr.lo & PLATFORM_INFO_SET_TDP))
+ return;
+
+ /* Get units */
+ msr = msr_read(MSR_PKG_POWER_SKU_UNIT);
+ power_unit = 2 << ((msr.lo & 0xf) - 1);
+
+ /* Get power defaults for this SKU */
+ msr = msr_read(MSR_PKG_POWER_SKU);
+ tdp = msr.lo & 0x7fff;
+ min_power = (msr.lo >> 16) & 0x7fff;
+ max_power = msr.hi & 0x7fff;
+ max_time = (msr.hi >> 16) & 0x7f;
+
+ debug("CPU TDP: %u Watts\n", tdp / power_unit);
+
+ if (power_limit_time_msr_to_sec[max_time] > power_limit_1_time)
+ power_limit_1_time = power_limit_time_msr_to_sec[max_time];
+
+ if (min_power > 0 && tdp < min_power)
+ tdp = min_power;
+
+ if (max_power > 0 && tdp > max_power)
+ tdp = max_power;
+
+ power_limit_1_val = power_limit_time_sec_to_msr[power_limit_1_time];
+
+ /* Set long term power limit to TDP */
+ limit.lo = 0;
+ limit.lo |= tdp & PKG_POWER_LIMIT_MASK;
+ limit.lo |= PKG_POWER_LIMIT_EN;
+ limit.lo |= (power_limit_1_val & PKG_POWER_LIMIT_TIME_MASK) <<
+ PKG_POWER_LIMIT_TIME_SHIFT;
+
+ /* Set short term power limit to 1.25 * TDP */
+ limit.hi = 0;
+ limit.hi |= ((tdp * 125) / 100) & PKG_POWER_LIMIT_MASK;
+ limit.hi |= PKG_POWER_LIMIT_EN;
+ /* Power limit 2 time is only programmable on SNB EP/EX */
+
+ msr_write(MSR_PKG_POWER_LIMIT, limit);
+
+ /* Use nominal TDP values for CPUs with configurable TDP */
+ if (cpu_config_tdp_levels()) {
+ msr = msr_read(MSR_CONFIG_TDP_NOMINAL);
+ limit.hi = 0;
+ limit.lo = msr.lo & 0xff;
+ msr_write(MSR_TURBO_ACTIVATION_RATIO, limit);
+ }
+}
+
+static void configure_c_states(void)
+{
+ struct cpuid_result result;
+ msr_t msr;
+
+ msr = msr_read(MSR_PMG_CST_CONFIG_CTL);
+ msr.lo |= (1 << 28); /* C1 Auto Undemotion Enable */
+ msr.lo |= (1 << 27); /* C3 Auto Undemotion Enable */
+ msr.lo |= (1 << 26); /* C1 Auto Demotion Enable */
+ msr.lo |= (1 << 25); /* C3 Auto Demotion Enable */
+ msr.lo &= ~(1 << 10); /* Disable IO MWAIT redirection */
+ msr.lo |= 7; /* No package C-state limit */
+ msr_write(MSR_PMG_CST_CONFIG_CTL, msr);
+
+ msr = msr_read(MSR_PMG_IO_CAPTURE_ADR);
+ msr.lo &= ~0x7ffff;
+ msr.lo |= (PMB0_BASE + 4); /* LVL_2 base address */
+ msr.lo |= (2 << 16); /* CST Range: C7 is max C-state */
+ msr_write(MSR_PMG_IO_CAPTURE_ADR, msr);
+
+ msr = msr_read(MSR_MISC_PWR_MGMT);
+ msr.lo &= ~(1 << 0); /* Enable P-state HW_ALL coordination */
+ msr_write(MSR_MISC_PWR_MGMT, msr);
+
+ msr = msr_read(MSR_POWER_CTL);
+ msr.lo |= (1 << 18); /* Enable Energy Perf Bias MSR 0x1b0 */
+ msr.lo |= (1 << 1); /* C1E Enable */
+ msr.lo |= (1 << 0); /* Bi-directional PROCHOT# */
+ msr_write(MSR_POWER_CTL, msr);
+
+ /* C3 Interrupt Response Time Limit */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x50;
+ msr_write(MSR_PKGC3_IRTL, msr);
+
+ /* C6 Interrupt Response Time Limit */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x68;
+ msr_write(MSR_PKGC6_IRTL, msr);
+
+ /* C7 Interrupt Response Time Limit */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x6D;
+ msr_write(MSR_PKGC7_IRTL, msr);
+
+ /* Primary Plane Current Limit */
+ msr = msr_read(MSR_PP0_CURRENT_CONFIG);
+ msr.lo &= ~0x1fff;
+ msr.lo |= PP0_CURRENT_LIMIT;
+ msr_write(MSR_PP0_CURRENT_CONFIG, msr);
+
+ /* Secondary Plane Current Limit */
+ msr = msr_read(MSR_PP1_CURRENT_CONFIG);
+ msr.lo &= ~0x1fff;
+ result = cpuid(1);
+ if (result.eax >= 0x30600)
+ msr.lo |= PP1_CURRENT_LIMIT_IVB;
+ else
+ msr.lo |= PP1_CURRENT_LIMIT_SNB;
+ msr_write(MSR_PP1_CURRENT_CONFIG, msr);
+}
+
+static int configure_thermal_target(void)
+{
+ int tcc_offset;
+ msr_t msr;
+ int node;
+
+ /* Find pointer to CPU configuration */
+ node = fdtdec_next_compatible(gd->fdt_blob, 0,
+ COMPAT_INTEL_MODEL_206AX);
+ if (node < 0)
+ return -ENOENT;
+ tcc_offset = fdtdec_get_int(gd->fdt_blob, node, "tcc-offset", 0);
+
+ /* Set TCC activaiton offset if supported */
+ msr = msr_read(MSR_PLATFORM_INFO);
+ if ((msr.lo & (1 << 30)) && tcc_offset) {
+ msr = msr_read(MSR_TEMPERATURE_TARGET);
+ msr.lo &= ~(0xf << 24); /* Bits 27:24 */
+ msr.lo |= (tcc_offset & 0xf) << 24;
+ msr_write(MSR_TEMPERATURE_TARGET, msr);
+ }
+
+ return 0;
+}
+
+static void configure_misc(void)
+{
+ msr_t msr;
+
+ msr = msr_read(IA32_MISC_ENABLE);
+ msr.lo |= (1 << 0); /* Fast String enable */
+ msr.lo |= (1 << 3); /* TM1/TM2/EMTTM enable */
+ msr.lo |= (1 << 16); /* Enhanced SpeedStep Enable */
+ msr_write(IA32_MISC_ENABLE, msr);
+
+ /* Disable Thermal interrupts */
+ msr.lo = 0;
+ msr.hi = 0;
+ msr_write(IA32_THERM_INTERRUPT, msr);
+
+ /* Enable package critical interrupt only */
+ msr.lo = 1 << 4;
+ msr.hi = 0;
+ msr_write(IA32_PACKAGE_THERM_INTERRUPT, msr);
+}
+
+static void enable_lapic_tpr(void)
+{
+ msr_t msr;
+
+ msr = msr_read(MSR_PIC_MSG_CONTROL);
+ msr.lo &= ~(1 << 10); /* Enable APIC TPR updates */
+ msr_write(MSR_PIC_MSG_CONTROL, msr);
+}
+
+static void configure_dca_cap(void)
+{
+ struct cpuid_result cpuid_regs;
+ msr_t msr;
+
+ /* Check feature flag in CPUID.(EAX=1):ECX[18]==1 */
+ cpuid_regs = cpuid(1);
+ if (cpuid_regs.ecx & (1 << 18)) {
+ msr = msr_read(IA32_PLATFORM_DCA_CAP);
+ msr.lo |= 1;
+ msr_write(IA32_PLATFORM_DCA_CAP, msr);
+ }
+}
+
+static void set_max_ratio(void)
+{
+ msr_t msr, perf_ctl;
+
+ perf_ctl.hi = 0;
+
+ /* Check for configurable TDP option */
+ if (cpu_config_tdp_levels()) {
+ /* Set to nominal TDP ratio */
+ msr = msr_read(MSR_CONFIG_TDP_NOMINAL);
+ perf_ctl.lo = (msr.lo & 0xff) << 8;
+ } else {
+ /* Platform Info bits 15:8 give max ratio */
+ msr = msr_read(MSR_PLATFORM_INFO);
+ perf_ctl.lo = msr.lo & 0xff00;
+ }
+ msr_write(IA32_PERF_CTL, perf_ctl);
+
+ debug("model_x06ax: frequency set to %d\n",
+ ((perf_ctl.lo >> 8) & 0xff) * SANDYBRIDGE_BCLK);
+}
+
+static void set_energy_perf_bias(u8 policy)
+{
+ msr_t msr;
+
+ /* Energy Policy is bits 3:0 */
+ msr = msr_read(IA32_ENERGY_PERFORMANCE_BIAS);
+ msr.lo &= ~0xf;
+ msr.lo |= policy & 0xf;
+ msr_write(IA32_ENERGY_PERFORMANCE_BIAS, msr);
+
+ debug("model_x06ax: energy policy set to %u\n", policy);
+}
+
+static void configure_mca(void)
+{
+ msr_t msr;
+ int i;
+
+ msr.lo = 0;
+ msr.hi = 0;
+ /* This should only be done on a cold boot */
+ for (i = 0; i < 7; i++)
+ msr_write(IA32_MC0_STATUS + (i * 4), msr);
+}
+
+#if CONFIG_USBDEBUG
+static unsigned ehci_debug_addr;
+#endif
+
+/*
+ * Initialize any extra cores/threads in this package.
+ */
+static int intel_cores_init(struct x86_cpu_priv *cpu)
+{
+ struct cpuid_result result;
+ unsigned threads_per_package, threads_per_core, i;
+
+ /* Logical processors (threads) per core */
+ result = cpuid_ext(0xb, 0);
+ threads_per_core = result.ebx & 0xffff;
+
+ /* Logical processors (threads) per package */
+ result = cpuid_ext(0xb, 1);
+ threads_per_package = result.ebx & 0xffff;
+
+ debug("CPU: %u has %u cores, %u threads per core\n",
+ cpu->apic_id, threads_per_package / threads_per_core,
+ threads_per_core);
+
+ for (i = 1; i < threads_per_package; ++i) {
+ struct x86_cpu_priv *new_cpu;
+
+ new_cpu = calloc(1, sizeof(*new_cpu));
+ if (!new_cpu)
+ return -ENOMEM;
+
+ new_cpu->apic_id = cpu->apic_id + i;
+
+ /* Update APIC ID if no hyperthreading */
+ if (threads_per_core == 1)
+ new_cpu->apic_id <<= 1;
+
+ debug("CPU: %u has core %u\n", cpu->apic_id, new_cpu->apic_id);
+
+#if CONFIG_SMP && CONFIG_MAX_CPUS > 1
+ /* Start the new cpu */
+ if (!start_cpu(new_cpu)) {
+ /* Record the error in cpu? */
+ printk(BIOS_ERR, "CPU %u would not start!\n",
+ new_cpu->apic_id);
+ new_cpu->start_err = 1;
+ }
+#endif
+ }
+
+ return 0;
+}
+
+int model_206ax_init(struct x86_cpu_priv *cpu)
+{
+ int ret;
+
+ /* Clear out pending MCEs */
+ configure_mca();
+
+#if CONFIG_USBDEBUG
+ /* Is this caution really needed? */
+ if (!ehci_debug_addr)
+ ehci_debug_addr = get_ehci_debug();
+ set_ehci_debug(0);
+#endif
+
+ /* Setup MTRRs based on physical address size */
+#if 0 /* TODO: Implement this */
+ struct cpuid_result cpuid_regs;
+
+ cpuid_regs = cpuid(0x80000008);
+ x86_setup_fixed_mtrrs();
+ x86_setup_var_mtrrs(cpuid_regs.eax & 0xff, 2);
+ x86_mtrr_check();
+#endif
+
+#if CONFIG_USBDEBUG
+ set_ehci_debug(ehci_debug_addr);
+#endif
+
+ /* Enable the local cpu apics */
+ enable_lapic_tpr();
+ lapic_setup();
+
+ /* Enable virtualization if enabled in CMOS */
+ enable_vmx();
+
+ /* Configure C States */
+ configure_c_states();
+
+ /* Configure Enhanced SpeedStep and Thermal Sensors */
+ configure_misc();
+
+ /* Thermal throttle activation offset */
+ ret = configure_thermal_target();
+ if (ret)
+ return ret;
+
+ /* Enable Direct Cache Access */
+ configure_dca_cap();
+
+ /* Set energy policy */
+ set_energy_perf_bias(ENERGY_POLICY_NORMAL);
+
+ /* Set Max Ratio */
+ set_max_ratio();
+
+ /* Enable Turbo */
+ turbo_enable();
+
+ /* Start up extra cores */
+ intel_cores_init(cpu);
+
+ return 0;
+}
diff --git a/arch/x86/cpu/ivybridge/northbridge.c b/arch/x86/cpu/ivybridge/northbridge.c
new file mode 100644
index 0000000000..c50b5ded83
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/northbridge.c
@@ -0,0 +1,188 @@
+/*
+ * From Coreboot northbridge/intel/sandybridge/northbridge.c
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011 The Chromium Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/msr.h>
+#include <asm/acpi.h>
+#include <asm/cpu.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <asm/processor.h>
+#include <asm/arch/pch.h>
+#include <asm/arch/model_206ax.h>
+#include <asm/arch/sandybridge.h>
+
+static int bridge_revision_id = -1;
+
+int bridge_silicon_revision(void)
+{
+ if (bridge_revision_id < 0) {
+ struct cpuid_result result;
+ uint8_t stepping, bridge_id;
+ pci_dev_t dev;
+
+ result = cpuid(1);
+ stepping = result.eax & 0xf;
+ dev = PCI_BDF(0, 0, 0);
+ bridge_id = pci_read_config16(dev, PCI_DEVICE_ID) & 0xf0;
+ bridge_revision_id = bridge_id | stepping;
+ }
+
+ return bridge_revision_id;
+}
+
+/*
+ * Reserve everything between A segment and 1MB:
+ *
+ * 0xa0000 - 0xbffff: legacy VGA
+ * 0xc0000 - 0xcffff: VGA OPROM (needed by kernel)
+ * 0xe0000 - 0xfffff: SeaBIOS, if used, otherwise DMI
+ */
+static const int legacy_hole_base_k = 0xa0000 / 1024;
+static const int legacy_hole_size_k = 384;
+
+static int get_pcie_bar(u32 *base, u32 *len)
+{
+ pci_dev_t dev = PCI_BDF(0, 0, 0);
+ u32 pciexbar_reg;
+
+ *base = 0;
+ *len = 0;
+
+ pciexbar_reg = pci_read_config32(dev, PCIEXBAR);
+
+ if (!(pciexbar_reg & (1 << 0)))
+ return 0;
+
+ switch ((pciexbar_reg >> 1) & 3) {
+ case 0: /* 256MB */
+ *base = pciexbar_reg & ((1 << 31) | (1 << 30) | (1 << 29) |
+ (1 << 28));
+ *len = 256 * 1024 * 1024;
+ return 1;
+ case 1: /* 128M */
+ *base = pciexbar_reg & ((1 << 31) | (1 << 30) | (1 << 29) |
+ (1 << 28) | (1 << 27));
+ *len = 128 * 1024 * 1024;
+ return 1;
+ case 2: /* 64M */
+ *base = pciexbar_reg & ((1 << 31) | (1 << 30) | (1 << 29) |
+ (1 << 28) | (1 << 27) | (1 << 26));
+ *len = 64 * 1024 * 1024;
+ return 1;
+ }
+
+ return 0;
+}
+
+static void add_fixed_resources(pci_dev_t dev, int index)
+{
+ u32 pcie_config_base, pcie_config_size;
+
+ if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) {
+ debug("Adding PCIe config bar base=0x%08x size=0x%x\n",
+ pcie_config_base, pcie_config_size);
+ }
+}
+
+static void northbridge_dmi_init(pci_dev_t dev)
+{
+ /* Clear error status bits */
+ writel(0xffffffff, DMIBAR_REG(0x1c4));
+ writel(0xffffffff, DMIBAR_REG(0x1d0));
+
+ /* Steps prior to DMI ASPM */
+ if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_SNB) {
+ clrsetbits_le32(DMIBAR_REG(0x250), (1 << 22) | (1 << 20),
+ 1 << 21);
+ }
+
+ setbits_le32(DMIBAR_REG(0x238), 1 << 29);
+
+ if (bridge_silicon_revision() >= SNB_STEP_D0) {
+ setbits_le32(DMIBAR_REG(0x1f8), 1 << 16);
+ } else if (bridge_silicon_revision() >= SNB_STEP_D1) {
+ clrsetbits_le32(DMIBAR_REG(0x1f8), 1 << 26, 1 << 16);
+ setbits_le32(DMIBAR_REG(0x1fc), (1 << 12) | (1 << 23));
+ }
+
+ /* Enable ASPM on SNB link, should happen before PCH link */
+ if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_SNB)
+ setbits_le32(DMIBAR_REG(0xd04), 1 << 4);
+
+ setbits_le32(DMIBAR_REG(0x88), (1 << 1) | (1 << 0));
+}
+
+void northbridge_init(pci_dev_t dev)
+{
+ u32 bridge_type;
+
+ add_fixed_resources(dev, 6);
+ northbridge_dmi_init(dev);
+
+ bridge_type = readl(MCHBAR_REG(0x5f10));
+ bridge_type &= ~0xff;
+
+ if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_IVB) {
+ /* Enable Power Aware Interrupt Routing - fixed priority */
+ clrsetbits_8(MCHBAR_REG(0x5418), 0xf, 0x4);
+
+ /* 30h for IvyBridge */
+ bridge_type |= 0x30;
+ } else {
+ /* 20h for Sandybridge */
+ bridge_type |= 0x20;
+ }
+ writel(bridge_type, MCHBAR_REG(0x5f10));
+
+ /*
+ * Set bit 0 of BIOS_RESET_CPL to indicate to the CPU
+ * that BIOS has initialized memory and power management
+ */
+ setbits_8(MCHBAR_REG(BIOS_RESET_CPL), 1);
+ debug("Set BIOS_RESET_CPL\n");
+
+ /* Configure turbo power limits 1ms after reset complete bit */
+ mdelay(1);
+ set_power_limits(28);
+
+ /*
+ * CPUs with configurable TDP also need power limits set
+ * in MCHBAR. Use same values from MSR_PKG_POWER_LIMIT.
+ */
+ if (cpu_config_tdp_levels()) {
+ msr_t msr = msr_read(MSR_PKG_POWER_LIMIT);
+
+ writel(msr.lo, MCHBAR_REG(0x59A0));
+ writel(msr.hi, MCHBAR_REG(0x59A4));
+ }
+
+ /* Set here before graphics PM init */
+ writel(0x00100001, MCHBAR_REG(0x5500));
+}
+
+void northbridge_enable(pci_dev_t dev)
+{
+#if CONFIG_HAVE_ACPI_RESUME
+ switch (pci_read_config32(dev, SKPAD)) {
+ case 0xcafebabe:
+ debug("Normal boot.\n");
+ apci_set_slp_type(0);
+ break;
+ case 0xcafed00d:
+ debug("S3 Resume.\n");
+ apci_set_slp_type(3);
+ break;
+ default:
+ debug("Unknown boot method, assuming normal.\n");
+ apci_set_slp_type(0);
+ break;
+ }
+#endif
+}
diff --git a/arch/x86/cpu/ivybridge/pch.c b/arch/x86/cpu/ivybridge/pch.c
new file mode 100644
index 0000000000..fa04d488f3
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/pch.c
@@ -0,0 +1,123 @@
+/*
+ * From Coreboot
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2012 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+
+static int pch_revision_id = -1;
+static int pch_type = -1;
+
+int pch_silicon_revision(void)
+{
+ pci_dev_t dev;
+
+ dev = PCH_LPC_DEV;
+
+ if (pch_revision_id < 0)
+ pch_revision_id = pci_read_config8(dev, PCI_REVISION_ID);
+ return pch_revision_id;
+}
+
+int pch_silicon_type(void)
+{
+ pci_dev_t dev;
+
+ dev = PCH_LPC_DEV;
+
+ if (pch_type < 0)
+ pch_type = pci_read_config8(dev, PCI_DEVICE_ID + 1);
+ return pch_type;
+}
+
+int pch_silicon_supported(int type, int rev)
+{
+ int cur_type = pch_silicon_type();
+ int cur_rev = pch_silicon_revision();
+
+ switch (type) {
+ case PCH_TYPE_CPT:
+ /* CougarPoint minimum revision */
+ if (cur_type == PCH_TYPE_CPT && cur_rev >= rev)
+ return 1;
+ /* PantherPoint any revision */
+ if (cur_type == PCH_TYPE_PPT)
+ return 1;
+ break;
+
+ case PCH_TYPE_PPT:
+ /* PantherPoint minimum revision */
+ if (cur_type == PCH_TYPE_PPT && cur_rev >= rev)
+ return 1;
+ break;
+ }
+
+ return 0;
+}
+
+#define IOBP_RETRY 1000
+static inline int iobp_poll(void)
+{
+ unsigned try = IOBP_RETRY;
+ u32 data;
+
+ while (try--) {
+ data = readl(RCB_REG(IOBPS));
+ if ((data & 1) == 0)
+ return 1;
+ udelay(10);
+ }
+
+ printf("IOBP timeout\n");
+ return 0;
+}
+
+void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue)
+{
+ u32 data;
+
+ /* Set the address */
+ writel(address, RCB_REG(IOBPIRI));
+
+ /* READ OPCODE */
+ if (pch_silicon_supported(PCH_TYPE_CPT, PCH_STEP_B0))
+ writel(IOBPS_RW_BX, RCB_REG(IOBPS));
+ else
+ writel(IOBPS_READ_AX, RCB_REG(IOBPS));
+ if (!iobp_poll())
+ return;
+
+ /* Read IOBP data */
+ data = readl(RCB_REG(IOBPD));
+ if (!iobp_poll())
+ return;
+
+ /* Check for successful transaction */
+ if ((readl(RCB_REG(IOBPS)) & 0x6) != 0) {
+ printf("IOBP read 0x%08x failed\n", address);
+ return;
+ }
+
+ /* Update the data */
+ data &= andvalue;
+ data |= orvalue;
+
+ /* WRITE OPCODE */
+ if (pch_silicon_supported(PCH_TYPE_CPT, PCH_STEP_B0))
+ writel(IOBPS_RW_BX, RCB_REG(IOBPS));
+ else
+ writel(IOBPS_WRITE_AX, RCB_REG(IOBPS));
+ if (!iobp_poll())
+ return;
+
+ /* Write IOBP data */
+ writel(data, RCB_REG(IOBPD));
+ if (!iobp_poll())
+ return;
+}
diff --git a/arch/x86/cpu/ivybridge/pci.c b/arch/x86/cpu/ivybridge/pci.c
index c1ae658d3f..452d1c3a15 100644
--- a/arch/x86/cpu/ivybridge/pci.c
+++ b/arch/x86/cpu/ivybridge/pci.c
@@ -12,6 +12,8 @@
#include <common.h>
#include <pci.h>
#include <asm/pci.h>
+#include <asm/arch/bd82x6x.h>
+#include <asm/arch/pch.h>
static void config_pci_bridge(struct pci_controller *hose, pci_dev_t dev,
struct pci_config_table *table)
@@ -58,3 +60,41 @@ void board_pci_setup_hose(struct pci_controller *hose)
hose->region_count = 3;
}
+
+int board_pci_pre_scan(struct pci_controller *hose)
+{
+ pci_dev_t dev;
+ u16 reg16;
+
+ bd82x6x_init();
+
+ reg16 = 0xff;
+ dev = PCH_DEV;
+ reg16 = pci_read_config16(dev, PCI_COMMAND);
+ reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config16(dev, PCI_COMMAND, reg16);
+
+ /*
+ * Clear non-reserved bits in status register.
+ */
+ pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
+ pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
+ pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
+
+ pci_write_bar32(hose, dev, 0, 0xf0000000);
+
+ return 0;
+}
+
+int board_pci_post_scan(struct pci_controller *hose)
+{
+ int ret;
+
+ ret = bd82x6x_init_pci_devices();
+ if (ret) {
+ printf("bd82x6x_init_pci_devices() failed: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
diff --git a/arch/x86/cpu/ivybridge/sata.c b/arch/x86/cpu/ivybridge/sata.c
new file mode 100644
index 0000000000..bbcd47da60
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/sata.c
@@ -0,0 +1,225 @@
+/*
+ * From Coreboot
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+#include <asm/arch/bd82x6x.h>
+
+static inline u32 sir_read(pci_dev_t dev, int idx)
+{
+ pci_write_config32(dev, SATA_SIRI, idx);
+ return pci_read_config32(dev, SATA_SIRD);
+}
+
+static inline void sir_write(pci_dev_t dev, int idx, u32 value)
+{
+ pci_write_config32(dev, SATA_SIRI, idx);
+ pci_write_config32(dev, SATA_SIRD, value);
+}
+
+static void common_sata_init(pci_dev_t dev, unsigned int port_map)
+{
+ u32 reg32;
+ u16 reg16;
+
+ /* Set IDE I/O Configuration */
+ reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+ pci_write_config32(dev, IDE_CONFIG, reg32);
+
+ /* Port enable */
+ reg16 = pci_read_config16(dev, 0x92);
+ reg16 &= ~0x3f;
+ reg16 |= port_map;
+ pci_write_config16(dev, 0x92, reg16);
+
+ /* SATA Initialization register */
+ port_map &= 0xff;
+ pci_write_config32(dev, 0x94, ((port_map ^ 0x3f) << 24) | 0x183);
+}
+
+void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node)
+{
+ unsigned int port_map, speed_support, port_tx;
+ struct pci_controller *hose = pci_bus_to_hose(0);
+ const char *mode;
+ u32 reg32;
+ u16 reg16;
+
+ debug("SATA: Initializing...\n");
+
+ /* SATA configuration */
+ port_map = fdtdec_get_int(blob, node, "intel,sata-port-map", 0);
+ speed_support = fdtdec_get_int(blob, node,
+ "sata_interface_speed_support", 0);
+
+ /* Enable BARs */
+ pci_write_config16(dev, PCI_COMMAND, 0x0007);
+
+ mode = fdt_getprop(blob, node, "intel,sata-mode", NULL);
+ if (!mode || !strcmp(mode, "ahci")) {
+ u32 abar;
+
+ debug("SATA: Controller in AHCI mode\n");
+
+ /* Set Interrupt Line, Interrupt Pin is set by D31IP.PIP */
+ pci_write_config8(dev, INTR_LN, 0x0a);
+
+ /* Set timings */
+ pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+ IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
+ IDE_PPE0 | IDE_IE0 | IDE_TIME0);
+ pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+ IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
+
+ /* Sync DMA */
+ pci_write_config16(dev, IDE_SDMA_CNT, IDE_PSDE0);
+ pci_write_config16(dev, IDE_SDMA_TIM, 0x0001);
+
+ common_sata_init(dev, 0x8000 | port_map);
+
+ /* Initialize AHCI memory-mapped space */
+ abar = pci_read_bar32(hose, dev, 5);
+ debug("ABAR: %08X\n", abar);
+ /* CAP (HBA Capabilities) : enable power management */
+ reg32 = readl(abar + 0x00);
+ reg32 |= 0x0c006000; /* set PSC+SSC+SALP+SSS */
+ reg32 &= ~0x00020060; /* clear SXS+EMS+PMS */
+ /* Set ISS, if available */
+ if (speed_support) {
+ reg32 &= ~0x00f00000;
+ reg32 |= (speed_support & 0x03) << 20;
+ }
+ writel(reg32, abar + 0x00);
+ /* PI (Ports implemented) */
+ writel(port_map, abar + 0x0c);
+ (void) readl(abar + 0x0c); /* Read back 1 */
+ (void) readl(abar + 0x0c); /* Read back 2 */
+ /* CAP2 (HBA Capabilities Extended)*/
+ reg32 = readl(abar + 0x24);
+ reg32 &= ~0x00000002;
+ writel(reg32, abar + 0x24);
+ /* VSP (Vendor Specific Register */
+ reg32 = readl(abar + 0xa0);
+ reg32 &= ~0x00000005;
+ writel(reg32, abar + 0xa0);
+ } else if (!strcmp(mode, "combined")) {
+ debug("SATA: Controller in combined mode\n");
+
+ /* No AHCI: clear AHCI base */
+ pci_write_bar32(hose, dev, 5, 0x00000000);
+ /* And without AHCI BAR no memory decoding */
+ reg16 = pci_read_config16(dev, PCI_COMMAND);
+ reg16 &= ~PCI_COMMAND_MEMORY;
+ pci_write_config16(dev, PCI_COMMAND, reg16);
+
+ pci_write_config8(dev, 0x09, 0x80);
+
+ /* Set timings */
+ pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+ IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
+ pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+ IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
+ IDE_PPE0 | IDE_IE0 | IDE_TIME0);
+
+ /* Sync DMA */
+ pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0);
+ pci_write_config16(dev, IDE_SDMA_TIM, 0x0200);
+
+ common_sata_init(dev, port_map);
+ } else {
+ debug("SATA: Controller in plain-ide mode\n");
+
+ /* No AHCI: clear AHCI base */
+ pci_write_bar32(hose, dev, 5, 0x00000000);
+
+ /* And without AHCI BAR no memory decoding */
+ reg16 = pci_read_config16(dev, PCI_COMMAND);
+ reg16 &= ~PCI_COMMAND_MEMORY;
+ pci_write_config16(dev, PCI_COMMAND, reg16);
+
+ /*
+ * Native mode capable on both primary and secondary (0xa)
+ * OR'ed with enabled (0x50) = 0xf
+ */
+ pci_write_config8(dev, 0x09, 0x8f);
+
+ /* Set Interrupt Line */
+ /* Interrupt Pin is set by D31IP.PIP */
+ pci_write_config8(dev, INTR_LN, 0xff);
+
+ /* Set timings */
+ pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+ IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
+ IDE_PPE0 | IDE_IE0 | IDE_TIME0);
+ pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+ IDE_SITRE | IDE_ISP_3_CLOCKS |
+ IDE_RCT_1_CLOCKS | IDE_IE0 | IDE_TIME0);
+
+ /* Sync DMA */
+ pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0 | IDE_PSDE0);
+ pci_write_config16(dev, IDE_SDMA_TIM, 0x0201);
+
+ common_sata_init(dev, port_map);
+ }
+
+ /* Set Gen3 Transmitter settings if needed */
+ port_tx = fdtdec_get_int(blob, node, "intel,sata-port0-gen3-tx", 0);
+ if (port_tx)
+ pch_iobp_update(SATA_IOBP_SP0G3IR, 0, port_tx);
+
+ port_tx = fdtdec_get_int(blob, node, "intel,sata-port1-gen3-tx", 0);
+ if (port_tx)
+ pch_iobp_update(SATA_IOBP_SP1G3IR, 0, port_tx);
+
+ /* Additional Programming Requirements */
+ sir_write(dev, 0x04, 0x00001600);
+ sir_write(dev, 0x28, 0xa0000033);
+ reg32 = sir_read(dev, 0x54);
+ reg32 &= 0xff000000;
+ reg32 |= 0x5555aa;
+ sir_write(dev, 0x54, reg32);
+ sir_write(dev, 0x64, 0xcccc8484);
+ reg32 = sir_read(dev, 0x68);
+ reg32 &= 0xffff0000;
+ reg32 |= 0xcccc;
+ sir_write(dev, 0x68, reg32);
+ reg32 = sir_read(dev, 0x78);
+ reg32 &= 0x0000ffff;
+ reg32 |= 0x88880000;
+ sir_write(dev, 0x78, reg32);
+ sir_write(dev, 0x84, 0x001c7000);
+ sir_write(dev, 0x88, 0x88338822);
+ sir_write(dev, 0xa0, 0x001c7000);
+ sir_write(dev, 0xc4, 0x0c0c0c0c);
+ sir_write(dev, 0xc8, 0x0c0c0c0c);
+ sir_write(dev, 0xd4, 0x10000000);
+
+ pch_iobp_update(0xea004001, 0x3fffffff, 0xc0000000);
+ pch_iobp_update(0xea00408a, 0xfffffcff, 0x00000100);
+}
+
+void bd82x6x_sata_enable(pci_dev_t dev, const void *blob, int node)
+{
+ unsigned port_map;
+ const char *mode;
+ u16 map = 0;
+
+ /*
+ * Set SATA controller mode early so the resource allocator can
+ * properly assign IO/Memory resources for the controller.
+ */
+ mode = fdt_getprop(blob, node, "intel,sata-mode", NULL);
+ if (mode && !strcmp(mode, "ahci"))
+ map = 0x0060;
+ port_map = fdtdec_get_int(blob, node, "intel,sata-port-map", 0);
+
+ map |= (port_map ^ 0x3f) << 8;
+ pci_write_config16(dev, 0x90, map);
+}
diff --git a/arch/x86/cpu/ivybridge/usb_ehci.c b/arch/x86/cpu/ivybridge/usb_ehci.c
new file mode 100644
index 0000000000..291c971a2f
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/usb_ehci.c
@@ -0,0 +1,29 @@
+/*
+ * From Coreboot
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+
+void bd82x6x_usb_ehci_init(pci_dev_t dev)
+{
+ u32 reg32;
+
+ /* Disable Wake on Disconnect in RMH */
+ reg32 = readl(RCB_REG(0x35b0));
+ reg32 |= 0x22;
+ writel(reg32, RCB_REG(0x35b0));
+
+ debug("EHCI: Setting up controller.. ");
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ reg32 |= PCI_COMMAND_MASTER;
+ /* reg32 |= PCI_COMMAND_SERR; */
+ pci_write_config32(dev, PCI_COMMAND, reg32);
+
+ debug("done.\n");
+}
diff --git a/arch/x86/cpu/ivybridge/usb_xhci.c b/arch/x86/cpu/ivybridge/usb_xhci.c
new file mode 100644
index 0000000000..4a32a7eb31
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/usb_xhci.c
@@ -0,0 +1,32 @@
+/*
+ * From Coreboot
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+
+void bd82x6x_usb_xhci_init(pci_dev_t dev)
+{
+ u32 reg32;
+
+ debug("XHCI: Setting up controller.. ");
+
+ /* lock overcurrent map */
+ reg32 = pci_read_config32(dev, 0x44);
+ reg32 |= 1;
+ pci_write_config32(dev, 0x44, reg32);
+
+ /* Enable clock gating */
+ reg32 = pci_read_config32(dev, 0x40);
+ reg32 &= ~((1 << 20) | (1 << 21));
+ reg32 |= (1 << 19) | (1 << 18) | (1 << 17);
+ reg32 |= (1 << 10) | (1 << 9) | (1 << 8);
+ reg32 |= (1 << 31); /* lock */
+ pci_write_config32(dev, 0x40, reg32);
+
+ debug("done.\n");
+}
diff --git a/arch/x86/cpu/lapic.c b/arch/x86/cpu/lapic.c
new file mode 100644
index 0000000000..4690603c75
--- /dev/null
+++ b/arch/x86/cpu/lapic.c
@@ -0,0 +1,57 @@
+/*
+ * From coreboot file of same name
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/msr.h>
+#include <asm/io.h>
+#include <asm/lapic.h>
+#include <asm/post.h>
+
+void lapic_setup(void)
+{
+#if NEED_LAPIC == 1
+ /* Only Pentium Pro and later have those MSR stuff */
+ debug("Setting up local apic: ");
+
+ /* Enable the local apic */
+ enable_lapic();
+
+ /*
+ * Set Task Priority to 'accept all'.
+ */
+ lapic_write_around(LAPIC_TASKPRI,
+ lapic_read_around(LAPIC_TASKPRI) & ~LAPIC_TPRI_MASK);
+
+ /* Put the local apic in virtual wire mode */
+ lapic_write_around(LAPIC_SPIV, (lapic_read_around(LAPIC_SPIV) &
+ ~(LAPIC_VECTOR_MASK)) | LAPIC_SPIV_ENABLE);
+ lapic_write_around(LAPIC_LVT0, (lapic_read_around(LAPIC_LVT0) &
+ ~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
+ LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
+ LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
+ LAPIC_DELIVERY_MODE_MASK)) |
+ (LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
+ LAPIC_DELIVERY_MODE_EXTINT));
+ lapic_write_around(LAPIC_LVT1, (lapic_read_around(LAPIC_LVT1) &
+ ~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
+ LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
+ LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
+ LAPIC_DELIVERY_MODE_MASK)) |
+ (LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
+ LAPIC_DELIVERY_MODE_NMI));
+
+ debug("apic_id: 0x%02lx, ", lapicid());
+#else /* !NEED_LLAPIC */
+ /* Only Pentium Pro and later have those MSR stuff */
+ debug("Disabling local apic: ");
+ disable_lapic();
+#endif /* !NEED_LAPIC */
+ debug("done.\n");
+ post_code(POST_LAPIC);
+}
diff --git a/arch/x86/cpu/pci.c b/arch/x86/cpu/pci.c
index e3993880db..f3492c3851 100644
--- a/arch/x86/cpu/pci.c
+++ b/arch/x86/cpu/pci.c
@@ -33,6 +33,16 @@ int pci_early_init_hose(struct pci_controller **hosep)
return 0;
}
+__weak int board_pci_pre_scan(struct pci_controller *hose)
+{
+ return 0;
+}
+
+__weak int board_pci_post_scan(struct pci_controller *hose)
+{
+ return 0;
+}
+
void pci_init_board(void)
{
struct pci_controller *hose = &x86_hose;
@@ -44,7 +54,9 @@ void pci_init_board(void)
pci_setup_type1(hose);
pci_register_hose(hose);
+ board_pci_pre_scan(hose);
hose->last_busno = pci_hose_scan(hose);
+ board_pci_post_scan(hose);
}
static struct pci_controller *get_hose(void)
diff --git a/arch/x86/cpu/turbo.c b/arch/x86/cpu/turbo.c
new file mode 100644
index 0000000000..254d0de0e4
--- /dev/null
+++ b/arch/x86/cpu/turbo.c
@@ -0,0 +1,98 @@
+/*
+ * From Coreboot file of the same name
+ *
+ * Copyright (C) 2011 The Chromium Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/cpu.h>
+#include <asm/msr.h>
+#include <asm/processor.h>
+#include <asm/turbo.h>
+
+#if CONFIG_CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED
+static inline int get_global_turbo_state(void)
+{
+ return TURBO_UNKNOWN;
+}
+
+static inline void set_global_turbo_state(int state)
+{
+}
+#else
+static int g_turbo_state = TURBO_UNKNOWN;
+
+static inline int get_global_turbo_state(void)
+{
+ return g_turbo_state;
+}
+
+static inline void set_global_turbo_state(int state)
+{
+ g_turbo_state = state;
+}
+#endif
+
+static const char *const turbo_state_desc[] = {
+ [TURBO_UNKNOWN] = "unknown",
+ [TURBO_UNAVAILABLE] = "unavailable",
+ [TURBO_DISABLED] = "available but hidden",
+ [TURBO_ENABLED] = "available and visible"
+};
+
+/*
+ * Determine the current state of Turbo and cache it for later.
+ * Turbo is a package level config so it does not need to be
+ * enabled on every core.
+ */
+int turbo_get_state(void)
+{
+ struct cpuid_result cpuid_regs;
+ int turbo_en, turbo_cap;
+ msr_t msr;
+ int turbo_state = get_global_turbo_state();
+
+ /* Return cached state if available */
+ if (turbo_state != TURBO_UNKNOWN)
+ return turbo_state;
+
+ cpuid_regs = cpuid(CPUID_LEAF_PM);
+ turbo_cap = !!(cpuid_regs.eax & PM_CAP_TURBO_MODE);
+
+ msr = msr_read(MSR_IA32_MISC_ENABLES);
+ turbo_en = !(msr.hi & H_MISC_DISABLE_TURBO);
+
+ if (!turbo_cap && turbo_en) {
+ /* Unavailable */
+ turbo_state = TURBO_UNAVAILABLE;
+ } else if (!turbo_cap && !turbo_en) {
+ /* Available but disabled */
+ turbo_state = TURBO_DISABLED;
+ } else if (turbo_cap && turbo_en) {
+ /* Available */
+ turbo_state = TURBO_ENABLED;
+ }
+
+ set_global_turbo_state(turbo_state);
+ debug("Turbo is %s\n", turbo_state_desc[turbo_state]);
+ return turbo_state;
+}
+
+void turbo_enable(void)
+{
+ msr_t msr;
+
+ /* Only possible if turbo is available but hidden */
+ if (turbo_get_state() == TURBO_DISABLED) {
+ /* Clear Turbo Disable bit in Misc Enables */
+ msr = msr_read(MSR_IA32_MISC_ENABLES);
+ msr.hi &= ~H_MISC_DISABLE_TURBO;
+ msr_write(MSR_IA32_MISC_ENABLES, msr);
+
+ /* Update cached turbo state */
+ set_global_turbo_state(TURBO_ENABLED);
+ debug("Turbo has been enabled\n");
+ }
+}
diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds
index f48bff54e1..b0d8531a60 100644
--- a/arch/x86/cpu/u-boot.lds
+++ b/arch/x86/cpu/u-boot.lds
@@ -44,7 +44,9 @@ SECTIONS
. = ALIGN(4);
__rel_dyn_start = .;
- .rel.dyn : { *(.rel.dyn) }
+ .rel.dyn : {
+ *(.rel*)
+ }
__rel_dyn_end = .;
. = ALIGN(4);
_end = .;
@@ -64,15 +66,19 @@ SECTIONS
/DISCARD/ : { *(.gnu*) }
#ifdef CONFIG_X86_RESET_VECTOR
-
/*
* The following expressions place the 16-bit Real-Mode code and
* Reset Vector at the end of the Flash ROM
*/
- . = START_16;
- .start16 : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + START_16)) { KEEP(*(.start16)); }
+ . = START_16 - RESET_SEG_START;
+ .start16 : AT (START_16) {
+ KEEP(*(.start16));
+ }
- . = RESET_VEC_LOC;
- .resetvec : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + RESET_VEC_LOC)) { KEEP(*(.resetvec)); }
+ . = RESET_VEC_LOC - RESET_SEG_START;
+ .resetvec : AT (RESET_VEC_LOC) {
+ KEEP(*(.resetvec));
+ }
#endif
+
}
diff --git a/arch/x86/dts/link.dts b/arch/x86/dts/link.dts
index 932991604f..592af16f78 100644
--- a/arch/x86/dts/link.dts
+++ b/arch/x86/dts/link.dts
@@ -163,21 +163,51 @@
};
};
- lpc {
- compatible = "intel,lpc";
- #address-cells = <1>;
- #size-cells = <1>;
- gen-dec = <0x800 0xfc 0x900 0xfc>;
- cros-ec@200 {
- compatible = "google,cros-ec";
- reg = <0x204 1 0x200 1 0x880 0x80>;
+ pci {
+ sata {
+ compatible = "intel,pantherpoint-ahci";
+ intel,sata-mode = "ahci";
+ intel,sata-port-map = <1>;
+ intel,sata-port0-gen3-tx = <0x00880a7f>;
+ };
+
+ gma {
+ compatible = "intel,gma";
+ intel,dp_hotplug = <0 0 0x06>;
+ intel,panel-port-select = <1>;
+ intel,panel-power-cycle-delay = <6>;
+ intel,panel-power-up-delay = <2000>;
+ intel,panel-power-down-delay = <500>;
+ intel,panel-power-backlight-on-delay = <2000>;
+ intel,panel-power-backlight-off-delay = <2000>;
+ intel,cpu-backlight = <0x00000200>;
+ intel,pch-backlight = <0x04000000>;
+ };
- /* This describes the flash memory within the EC */
+ lpc {
+ compatible = "intel,lpc";
#address-cells = <1>;
#size-cells = <1>;
- flash@8000000 {
- reg = <0x08000000 0x20000>;
- erase-value = <0xff>;
+ gen-dec = <0x800 0xfc 0x900 0xfc>;
+ intel,gen-dec = <0x800 0xfc 0x900 0xfc>;
+ intel,pirq-routing = <0x8b 0x8a 0x8b 0x8b
+ 0x80 0x80 0x80 0x80>;
+ intel,gpi-routing = <0 0 0 0 0 0 0 2
+ 1 0 0 0 0 0 0 0>;
+ /* Enable EC SMI source */
+ intel,alt-gp-smi-enable = <0x0100>;
+
+ cros-ec@200 {
+ compatible = "google,cros-ec";
+ reg = <0x204 1 0x200 1 0x880 0x80>;
+
+ /* Describes the flash memory within the EC */
+ #address-cells = <1>;
+ #size-cells = <1>;
+ flash@8000000 {
+ reg = <0x08000000 0x20000>;
+ erase-value = <0xff>;
+ };
};
};
};
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
new file mode 100644
index 0000000000..4872b92860
--- /dev/null
+++ b/arch/x86/include/asm/acpi.h
@@ -0,0 +1,24 @@
+/*
+ * From coreboot
+ *
+ * Copyright (C) 2004 SUSE LINUX AG
+ * Copyright (C) 2004 Nick Barker
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * (Written by Stefan Reinauer <stepan@coresystems.de>)
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __ASM_ACPI_H
+#define __ASM_ACPI_H
+
+#define RSDP_SIG "RSD PTR " /* RSDT pointer signature */
+#define ACPI_TABLE_CREATOR "U-BootAC" /* Must be exactly 8 bytes long! */
+#define OEM_ID "U-Boot" /* Must be exactly 6 bytes long! */
+#define ASLC "U-Bo" /* Must be exactly 4 bytes long! */
+
+/* 0 = S0, 1 = S1 ...*/
+int acpi_get_slp_type(void);
+void apci_set_slp_type(int type);
+
+#endif
diff --git a/arch/x86/include/asm/arch-coreboot/sysinfo.h b/arch/x86/include/asm/arch-coreboot/sysinfo.h
index 8e4a61de7d..832c50aa63 100644
--- a/arch/x86/include/asm/arch-coreboot/sysinfo.h
+++ b/arch/x86/include/asm/arch-coreboot/sysinfo.h
@@ -10,7 +10,7 @@
#define _COREBOOT_SYSINFO_H
#include <common.h>
-#include <compiler.h>
+#include <linux/compiler.h>
#include <libfdt.h>
#include <asm/arch/tables.h>
diff --git a/arch/x86/include/asm/arch-coreboot/tables.h b/arch/x86/include/asm/arch-coreboot/tables.h
index 0d02fe0592..e254484e75 100644
--- a/arch/x86/include/asm/arch-coreboot/tables.h
+++ b/arch/x86/include/asm/arch-coreboot/tables.h
@@ -9,7 +9,7 @@
#ifndef _COREBOOT_TABLES_H
#define _COREBOOT_TABLES_H
-#include <compiler.h>
+#include <linux/compiler.h>
struct cbuint64 {
u32 lo;
diff --git a/arch/x86/include/asm/arch-ivybridge/bd82x6x.h b/arch/x86/include/asm/arch-ivybridge/bd82x6x.h
new file mode 100644
index 0000000000..e1d9a9b7b2
--- /dev/null
+++ b/arch/x86/include/asm/arch-ivybridge/bd82x6x.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_BD82X6X_H
+#define _ASM_ARCH_BD82X6X_H
+
+void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node);
+void bd82x6x_sata_enable(pci_dev_t dev, const void *blob, int node);
+void bd82x6x_pci_init(pci_dev_t dev);
+void bd82x6x_usb_ehci_init(pci_dev_t dev);
+void bd82x6x_usb_xhci_init(pci_dev_t dev);
+int bd82x6x_init_pci_devices(void);
+int gma_func0_init(pci_dev_t dev, struct pci_controller *hose,
+ const void *blob, int node);
+int bd82x6x_init(void);
+
+struct x86_cpu_priv;
+int model_206ax_init(struct x86_cpu_priv *cpu);
+
+#endif
diff --git a/arch/x86/include/asm/arch-ivybridge/model_206ax.h b/arch/x86/include/asm/arch-ivybridge/model_206ax.h
index 8281d7a67b..7b4f2e790b 100644
--- a/arch/x86/include/asm/arch-ivybridge/model_206ax.h
+++ b/arch/x86/include/asm/arch-ivybridge/model_206ax.h
@@ -79,4 +79,8 @@
#define PSS_LATENCY_TRANSITION 10
#define PSS_LATENCY_BUSMASTER 10
+/* Configure power limits for turbo mode */
+void set_power_limits(u8 power_limit_1_time);
+int cpu_config_tdp_levels(void);
+
#endif
diff --git a/arch/x86/include/asm/arch-ivybridge/pch.h b/arch/x86/include/asm/arch-ivybridge/pch.h
index c6efdb8565..21df083842 100644
--- a/arch/x86/include/asm/arch-ivybridge/pch.h
+++ b/arch/x86/include/asm/arch-ivybridge/pch.h
@@ -14,11 +14,41 @@
#include <pci.h>
+/* PCH types */
+#define PCH_TYPE_CPT 0x1c /* CougarPoint */
+#define PCH_TYPE_PPT 0x1e /* IvyBridge */
+
+/* PCH stepping values for LPC device */
+#define PCH_STEP_A0 0
+#define PCH_STEP_A1 1
+#define PCH_STEP_B0 2
+#define PCH_STEP_B1 3
+#define PCH_STEP_B2 4
+#define PCH_STEP_B3 5
#define DEFAULT_GPIOBASE 0x0480
#define DEFAULT_PMBASE 0x0500
#define SMBUS_IO_BASE 0x0400
+int pch_silicon_revision(void);
+int pch_silicon_type(void);
+int pch_silicon_supported(int type, int rev);
+void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
+
+#define MAINBOARD_POWER_OFF 0
+#define MAINBOARD_POWER_ON 1
+#define MAINBOARD_POWER_KEEP 2
+
+/* PCI Configuration Space (D30:F0): PCI2PCI */
+#define PSTS 0x06
+#define SMLT 0x1b
+#define SECSTS 0x1e
+#define INTR 0x3c
+#define BCTRL 0x3e
+#define SBR (1 << 6)
+#define SEE (1 << 1)
+#define PERE (1 << 0)
+
#define PCH_EHCI1_DEV PCI_BDF(0, 0x1d, 0)
#define PCH_EHCI2_DEV PCI_BDF(0, 0x1a, 0)
#define PCH_XHCI_DEV PCI_BDF(0, 0x14, 0)
@@ -30,6 +60,35 @@
/* PCI Configuration Space (D31:F0): LPC */
#define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0)
+#define SERIRQ_CNTL 0x64
+
+#define GEN_PMCON_1 0xa0
+#define GEN_PMCON_2 0xa2
+#define GEN_PMCON_3 0xa4
+#define ETR3 0xac
+#define ETR3_CWORWRE (1 << 18)
+#define ETR3_CF9GR (1 << 20)
+
+/* GEN_PMCON_3 bits */
+#define RTC_BATTERY_DEAD (1 << 2)
+#define RTC_POWER_FAILED (1 << 1)
+#define SLEEP_AFTER_POWER_FAIL (1 << 0)
+
+#define PMBASE 0x40
+#define ACPI_CNTL 0x44
+#define BIOS_CNTL 0xDC
+#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
+#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
+#define GPIO_ROUT 0xb8
+
+#define PIRQA_ROUT 0x60
+#define PIRQB_ROUT 0x61
+#define PIRQC_ROUT 0x62
+#define PIRQD_ROUT 0x63
+#define PIRQE_ROUT 0x68
+#define PIRQF_ROUT 0x69
+#define PIRQG_ROUT 0x6A
+#define PIRQH_ROUT 0x6B
#define GEN_PMCON_1 0xa0
#define GEN_PMCON_2 0xa2
@@ -63,6 +122,64 @@
#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */
#define LPC_GENX_DEC(x) (0x84 + 4 * (x))
+/* PCI Configuration Space (D31:F1): IDE */
+#define PCH_IDE_DEV PCI_BDF(0, 0x1f, 1)
+#define PCH_SATA_DEV PCI_BDF(0, 0x1f, 2)
+#define PCH_SATA2_DEV PCI_BDF(0, 0x1f, 5)
+
+#define INTR_LN 0x3c
+#define IDE_TIM_PRI 0x40 /* IDE timings, primary */
+#define IDE_DECODE_ENABLE (1 << 15)
+#define IDE_SITRE (1 << 14)
+#define IDE_ISP_5_CLOCKS (0 << 12)
+#define IDE_ISP_4_CLOCKS (1 << 12)
+#define IDE_ISP_3_CLOCKS (2 << 12)
+#define IDE_RCT_4_CLOCKS (0 << 8)
+#define IDE_RCT_3_CLOCKS (1 << 8)
+#define IDE_RCT_2_CLOCKS (2 << 8)
+#define IDE_RCT_1_CLOCKS (3 << 8)
+#define IDE_DTE1 (1 << 7)
+#define IDE_PPE1 (1 << 6)
+#define IDE_IE1 (1 << 5)
+#define IDE_TIME1 (1 << 4)
+#define IDE_DTE0 (1 << 3)
+#define IDE_PPE0 (1 << 2)
+#define IDE_IE0 (1 << 1)
+#define IDE_TIME0 (1 << 0)
+#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
+
+#define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */
+#define IDE_SSDE1 (1 << 3)
+#define IDE_SSDE0 (1 << 2)
+#define IDE_PSDE1 (1 << 1)
+#define IDE_PSDE0 (1 << 0)
+
+#define IDE_SDMA_TIM 0x4a
+
+#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
+#define SIG_MODE_SEC_NORMAL (0 << 18)
+#define SIG_MODE_SEC_TRISTATE (1 << 18)
+#define SIG_MODE_SEC_DRIVELOW (2 << 18)
+#define SIG_MODE_PRI_NORMAL (0 << 16)
+#define SIG_MODE_PRI_TRISTATE (1 << 16)
+#define SIG_MODE_PRI_DRIVELOW (2 << 16)
+#define FAST_SCB1 (1 << 15)
+#define FAST_SCB0 (1 << 14)
+#define FAST_PCB1 (1 << 13)
+#define FAST_PCB0 (1 << 12)
+#define SCB1 (1 << 3)
+#define SCB0 (1 << 2)
+#define PCB1 (1 << 1)
+#define PCB0 (1 << 0)
+
+#define SATA_SIRI 0xa0 /* SATA Indexed Register Index */
+#define SATA_SIRD 0xa4 /* SATA Indexed Register Data */
+#define SATA_SP 0xd0 /* Scratchpad */
+
+/* SATA IOBP Registers */
+#define SATA_IOBP_SP0G3IR 0xea000151
+#define SATA_IOBP_SP1G3IR 0xea000051
+
/* PCI Configuration Space (D31:F3): SMBus */
#define PCH_SMBUS_DEV PCI_BDF(0, 0x1f, 3)
#define SMB_BASE 0x20
@@ -343,6 +460,9 @@
#define DMISCI_STS (1 << 9)
#define TCO2_STS 0x66
+int lpc_init(struct pci_controller *hose, pci_dev_t dev);
+void lpc_enable(pci_dev_t dev);
+
/**
* lpc_early_init() - set up LPC serial ports and other early things
*
diff --git a/arch/x86/include/asm/arch-ivybridge/sandybridge.h b/arch/x86/include/asm/arch-ivybridge/sandybridge.h
index 114ee19e24..cf7457f42d 100644
--- a/arch/x86/include/asm/arch-ivybridge/sandybridge.h
+++ b/arch/x86/include/asm/arch-ivybridge/sandybridge.h
@@ -97,11 +97,22 @@
/*
* MCHBAR
*/
-#define MCHBAR_REG(reg) (DEFAULT_RCBA + (reg))
+#define MCHBAR_REG(reg) (DEFAULT_MCHBAR + (reg))
#define SSKPD 0x5d14 /* 16bit (scratchpad) */
#define BIOS_RESET_CPL 0x5da8 /* 8bit */
+/*
+ * DMIBAR
+ */
+
+#define DMIBAR_REG(x) (DEFAULT_DMIBAR + x)
+
+int bridge_silicon_revision(void);
+
+void northbridge_enable(pci_dev_t dev);
+void northbridge_init(pci_dev_t dev);
+
void report_platform_info(void);
void sandybridge_early_init(int chipset_type);
diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h
index 73113f90a8..bc4033bed2 100644
--- a/arch/x86/include/asm/i8259.h
+++ b/arch/x86/include/asm/i8259.h
@@ -69,4 +69,6 @@
#define ICW4_AEOI 0x02 /* Automatic EOI Mode */
#define ICW4_PM 0x01 /* Microprocessor Mode */
+int i8259_init(void);
+
#endif
diff --git a/arch/x86/include/asm/interrupt.h b/arch/x86/include/asm/interrupt.h
index 3f46e0920a..25abde7be6 100644
--- a/arch/x86/include/asm/interrupt.h
+++ b/arch/x86/include/asm/interrupt.h
@@ -27,4 +27,15 @@ void specific_eoi(int irq);
extern char exception_stack[];
+/**
+ * configure_irq_trigger() - Configure IRQ triggering
+ *
+ * Switch the given interrupt to be level / edge triggered
+ *
+ * @param int_num legacy interrupt number (3-7, 9-15)
+ * @param is_level_triggered true for level triggered interrupt, false for
+ * edge triggered interrupt
+ */
+void configure_irq_trigger(int int_num, bool is_level_triggered);
+
#endif
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index fcd9aa9857..e0b25619cd 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -1,7 +1,7 @@
#ifndef _ASM_IO_H
#define _ASM_IO_H
-#include <compiler.h>
+#include <linux/compiler.h>
/*
* This file contains the definitions for the x86 IO instructions
diff --git a/arch/x86/include/asm/ioapic.h b/arch/x86/include/asm/ioapic.h
new file mode 100644
index 0000000000..699160f9f7
--- /dev/null
+++ b/arch/x86/include/asm/ioapic.h
@@ -0,0 +1,38 @@
+/*
+ * From coreboot file of the same name
+ *
+ * Copyright (C) 2010 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __ASM_IOAPIC_H
+#define __ASM_IOAPIC_H
+
+#define IO_APIC_ADDR 0xfec00000
+#define IO_APIC_INDEX IO_APIC_ADDR
+#define IO_APIC_DATA (IO_APIC_ADDR + 0x10)
+#define IO_APIC_INTERRUPTS 24
+
+#define ALL (0xff << 24)
+#define NONE 0
+#define DISABLED (1 << 16)
+#define ENABLED (0 << 16)
+#define TRIGGER_EDGE (0 << 15)
+#define TRIGGER_LEVEL (1 << 15)
+#define POLARITY_HIGH (0 << 13)
+#define POLARITY_LOW (1 << 13)
+#define PHYSICAL_DEST (0 << 11)
+#define LOGICAL_DEST (1 << 11)
+#define ExtINT (7 << 8)
+#define NMI (4 << 8)
+#define SMI (2 << 8)
+#define INT (1 << 8)
+
+u32 io_apic_read(u32 ioapic_base, u32 reg);
+void io_apic_write(u32 ioapic_base, u32 reg, u32 value);
+void set_ioapic_id(u32 ioapic_base, u8 ioapic_id);
+void setup_ioapic(u32 ioapic_base, u8 ioapic_id);
+void clear_ioapic(u32 ioapic_base);
+
+#endif
diff --git a/arch/x86/include/asm/lapic.h b/arch/x86/include/asm/lapic.h
index 948e643a7e..0a7f443195 100644
--- a/arch/x86/include/asm/lapic.h
+++ b/arch/x86/include/asm/lapic.h
@@ -14,6 +14,13 @@
#include <asm/msr.h>
#include <asm/processor.h>
+/* See if I need to initialize the local apic */
+#if CONFIG_SMP || CONFIG_IOAPIC
+# define NEED_LAPIC 1
+#else
+# define NEED_LAPIC 0
+#endif
+
static inline __attribute__((always_inline))
unsigned long lapic_read(unsigned long reg)
{
@@ -37,8 +44,9 @@ static inline void enable_lapic(void)
msr = msr_read(LAPIC_BASE_MSR);
msr.hi &= 0xffffff00;
- msr.lo &= 0x000007ff;
- msr.lo |= LAPIC_DEFAULT_BASE | (1 << 11);
+ msr.lo |= LAPIC_BASE_MSR_ENABLE;
+ msr.lo &= ~LAPIC_BASE_MSR_ADDR_MASK;
+ msr.lo |= LAPIC_DEFAULT_BASE;
msr_write(LAPIC_BASE_MSR, msr);
}
@@ -56,4 +64,116 @@ static inline __attribute__((always_inline)) unsigned long lapicid(void)
return lapic_read(LAPIC_ID) >> 24;
}
+#if !CONFIG_AP_IN_SIPI_WAIT
+/* If we need to go back to sipi wait, we use the long non-inlined version of
+ * this function in lapic_cpu_init.c
+ */
+static inline __attribute__((always_inline)) void stop_this_cpu(void)
+{
+ /* Called by an AP when it is ready to halt and wait for a new task */
+ for (;;)
+ cpu_hlt();
+}
+#else
+void stop_this_cpu(void);
+#endif
+
+#define xchg(ptr, v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v), (ptr), \
+ sizeof(*(ptr))))
+
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((struct __xchg_dummy *)(x))
+
+/*
+ * Note: no "lock" prefix even on SMP: xchg always implies lock anyway
+ * Note 2: xchg has side effect, so that attribute volatile is necessary,
+ * but generally the primitive is invalid, *ptr is output argument. --ANK
+ */
+static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
+ int size)
+{
+ switch (size) {
+ case 1:
+ __asm__ __volatile__("xchgb %b0,%1"
+ : "=q" (x)
+ : "m" (*__xg(ptr)), "0" (x)
+ : "memory");
+ break;
+ case 2:
+ __asm__ __volatile__("xchgw %w0,%1"
+ : "=r" (x)
+ : "m" (*__xg(ptr)), "0" (x)
+ : "memory");
+ break;
+ case 4:
+ __asm__ __volatile__("xchgl %0,%1"
+ : "=r" (x)
+ : "m" (*__xg(ptr)), "0" (x)
+ : "memory");
+ break;
+ }
+
+ return x;
+}
+
+static inline void lapic_write_atomic(unsigned long reg, unsigned long v)
+{
+ (void)xchg((volatile unsigned long *)(LAPIC_DEFAULT_BASE + reg), v);
+}
+
+
+#ifdef X86_GOOD_APIC
+# define FORCE_READ_AROUND_WRITE 0
+# define lapic_read_around(x) lapic_read(x)
+# define lapic_write_around(x, y) lapic_write((x), (y))
+#else
+# define FORCE_READ_AROUND_WRITE 1
+# define lapic_read_around(x) lapic_read(x)
+# define lapic_write_around(x, y) lapic_write_atomic((x), (y))
+#endif
+
+static inline int lapic_remote_read(int apicid, int reg, unsigned long *pvalue)
+{
+ int timeout;
+ unsigned long status;
+ int result;
+ lapic_wait_icr_idle();
+ lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(apicid));
+ lapic_write_around(LAPIC_ICR, LAPIC_DM_REMRD | (reg >> 4));
+ timeout = 0;
+ do {
+ status = lapic_read(LAPIC_ICR) & LAPIC_ICR_RR_MASK;
+ } while (status == LAPIC_ICR_RR_INPROG && timeout++ < 1000);
+
+ result = -1;
+ if (status == LAPIC_ICR_RR_VALID) {
+ *pvalue = lapic_read(LAPIC_RRR);
+ result = 0;
+ }
+ return result;
+}
+
+
+void lapic_setup(void);
+
+#if CONFIG_SMP
+struct device;
+int start_cpu(struct device *cpu);
+#endif /* CONFIG_SMP */
+
+int boot_cpu(void);
+
+/**
+ * struct x86_cpu_priv - Information about a single CPU
+ *
+ * @apic_id: Advanced Programmable Interrupt Controller Identifier, which is
+ * just a number representing the CPU core
+ *
+ * TODO: Move this to driver model once lifecycle is understood
+ */
+struct x86_cpu_priv {
+ int apic_id;
+ int start_err;
+};
+
#endif
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 6027d593ff..2cbb270089 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -326,6 +326,8 @@
#define MSR_AMD_PERF_STATUS 0xc0010063
#define MSR_AMD_PERF_CTL 0xc0010062
+#define MSR_PMG_CST_CONFIG_CTL 0x000000e2
+#define MSR_PMG_IO_CAPTURE_ADR 0x000000e4
#define MSR_IA32_MPERF 0x000000e7
#define MSR_IA32_APERF 0x000000e8
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index df4398378c..1955a752b9 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -229,17 +229,6 @@ do { \
struct msr *msrs_alloc(void);
void msrs_free(struct msr *msrs);
-#ifdef CONFIG_SMP
-int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
-int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
-void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
-void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
-int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
-int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
-int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);
-int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);
-
-#endif /* CONFIG_SMP */
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_MSR_H */
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 98817aa8a2..ac1a808307 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -34,6 +34,9 @@ void board_pci_setup_hose(struct pci_controller *hose);
*/
int pci_early_init_hose(struct pci_controller **hosep);
+int board_pci_pre_scan(struct pci_controller *hose);
+int board_pci_post_scan(struct pci_controller *hose);
+
/*
* Simple PCI access routines - these work from either the early PCI hose
* or the 'real' one, created after U-Boot has memory available
diff --git a/arch/x86/include/asm/post.h b/arch/x86/include/asm/post.h
index ce68839dec..6d2ae5dfe7 100644
--- a/arch/x86/include/asm/post.h
+++ b/arch/x86/include/asm/post.h
@@ -30,6 +30,7 @@
#define POST_PRE_MRC 0x2e
#define POST_MRC 0x2f
#define POST_DRAM 0x2f
+#define POST_LAPIC 0x30
#define POST_RAM_FAILURE 0xea
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index b9317cb34b..3e26202aa5 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -8,25 +8,18 @@
#ifndef __ASM_PROCESSOR_H_
#define __ASM_PROCESSOR_H_ 1
-#define X86_GDT_ENTRY_SIZE 8
-
-#ifndef __ASSEMBLY__
-
-enum {
- X86_GDT_ENTRY_NULL = 0,
- X86_GDT_ENTRY_UNUSED,
- X86_GDT_ENTRY_32BIT_CS,
- X86_GDT_ENTRY_32BIT_DS,
- X86_GDT_ENTRY_32BIT_FS,
- X86_GDT_ENTRY_16BIT_CS,
- X86_GDT_ENTRY_16BIT_DS,
- X86_GDT_NUM_ENTRIES
-};
-#else
-/* NOTE: If the above enum is modified, this define must be checked */
-#define X86_GDT_ENTRY_32BIT_DS 3
-#define X86_GDT_NUM_ENTRIES 7
-#endif
+#define X86_GDT_ENTRY_SIZE 8
+
+#define X86_GDT_ENTRY_NULL 0
+#define X86_GDT_ENTRY_UNUSED 1
+#define X86_GDT_ENTRY_32BIT_CS 2
+#define X86_GDT_ENTRY_32BIT_DS 3
+#define X86_GDT_ENTRY_32BIT_FS 4
+#define X86_GDT_ENTRY_16BIT_CS 5
+#define X86_GDT_ENTRY_16BIT_DS 6
+#define X86_GDT_ENTRY_16BIT_FLAT_CS 7
+#define X86_GDT_ENTRY_16BIT_FLAT_DS 8
+#define X86_GDT_NUM_ENTRIES 9
#define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE)
diff --git a/arch/x86/include/asm/speedstep.h b/arch/x86/include/asm/speedstep.h
new file mode 100644
index 0000000000..b938b86ba8
--- /dev/null
+++ b/arch/x86/include/asm/speedstep.h
@@ -0,0 +1,89 @@
+/*
+ * From Coreboot file of same name
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * 2012 secunet Security Networks AG
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ASM_SPEEDSTEP_H
+#define _ASM_SPEEDSTEP_H
+
+/* Magic value used to locate speedstep configuration in the device tree */
+#define SPEEDSTEP_APIC_MAGIC 0xACAC
+
+/* MWAIT coordination I/O base address. This must match
+ * the \_PR_.CPU0 PM base address.
+ */
+#define PMB0_BASE 0x510
+
+/* PMB1: I/O port that triggers SMI once cores are in the same state.
+ * See CSM Trigger, at PMG_CST_CONFIG_CONTROL[6:4]
+ */
+#define PMB1_BASE 0x800
+
+struct sst_state {
+ uint8_t dynfsb:1; /* whether this is SLFM */
+ uint8_t nonint:1; /* add .5 to ratio */
+ uint8_t ratio:6;
+ uint8_t vid;
+ uint8_t is_turbo;
+ uint8_t is_slfm;
+ uint32_t power;
+};
+#define SPEEDSTEP_RATIO_SHIFT 8
+#define SPEEDSTEP_RATIO_DYNFSB_SHIFT (7 + SPEEDSTEP_RATIO_SHIFT)
+#define SPEEDSTEP_RATIO_DYNFSB (1 << SPEEDSTEP_RATIO_DYNFSB_SHIFT)
+#define SPEEDSTEP_RATIO_NONINT_SHIFT (6 + SPEEDSTEP_RATIO_SHIFT)
+#define SPEEDSTEP_RATIO_NONINT (1 << SPEEDSTEP_RATIO_NONINT_SHIFT)
+#define SPEEDSTEP_RATIO_VALUE_MASK (0x1f << SPEEDSTEP_RATIO_SHIFT)
+#define SPEEDSTEP_VID_MASK 0x3f
+#define SPEEDSTEP_STATE_FROM_MSR(val, mask) ((struct sst_state){ \
+ 0, /* dynfsb won't be read. */ \
+ ((val & mask) & SPEEDSTEP_RATIO_NONINT) ? 1 : 0, \
+ (((val & mask) & SPEEDSTEP_RATIO_VALUE_MASK) \
+ >> SPEEDSTEP_RATIO_SHIFT), \
+ (val & mask) & SPEEDSTEP_VID_MASK, \
+ 0, /* not turbo by default */ \
+ 0, /* not slfm by default */ \
+ 0 /* power is hardcoded in software. */ \
+ })
+#define SPEEDSTEP_ENCODE_STATE(state) ( \
+ ((uint16_t)(state).dynfsb << SPEEDSTEP_RATIO_DYNFSB_SHIFT) | \
+ ((uint16_t)(state).nonint << SPEEDSTEP_RATIO_NONINT_SHIFT) | \
+ ((uint16_t)(state).ratio << SPEEDSTEP_RATIO_SHIFT) | \
+ ((uint16_t)(state).vid & SPEEDSTEP_VID_MASK))
+#define SPEEDSTEP_DOUBLE_RATIO(state) ( \
+ ((uint8_t)(state).ratio * 2) + (state).nonint)
+
+struct sst_params {
+ struct sst_state slfm;
+ struct sst_state min;
+ struct sst_state max;
+ struct sst_state turbo;
+};
+
+/* Looking at core2's spec, the highest normal bus ratio for an eist enabled
+ processor is 14, the lowest is always 6. This makes 5 states with the
+ minimal step width of 2. With turbo mode and super LFM we have at most 7. */
+#define SPEEDSTEP_MAX_NORMAL_STATES 5
+#define SPEEDSTEP_MAX_STATES (SPEEDSTEP_MAX_NORMAL_STATES + 2)
+struct sst_table {
+ /* Table of p-states for EMTTM and ACPI by decreasing performance. */
+ struct sst_state states[SPEEDSTEP_MAX_STATES];
+ int num_states;
+};
+
+void speedstep_gen_pstates(struct sst_table *);
+
+#define SPEEDSTEP_MAX_POWER_YONAH 31000
+#define SPEEDSTEP_MIN_POWER_YONAH 13100
+#define SPEEDSTEP_MAX_POWER_MEROM 35000
+#define SPEEDSTEP_MIN_POWER_MEROM 25000
+#define SPEEDSTEP_SLFM_POWER_MEROM 12000
+#define SPEEDSTEP_MAX_POWER_PENRYN 35000
+#define SPEEDSTEP_MIN_POWER_PENRYN 15000
+#define SPEEDSTEP_SLFM_POWER_PENRYN 12000
+
+#endif
diff --git a/arch/x86/include/asm/turbo.h b/arch/x86/include/asm/turbo.h
new file mode 100644
index 0000000000..bb0d4b4354
--- /dev/null
+++ b/arch/x86/include/asm/turbo.h
@@ -0,0 +1,31 @@
+/*
+ * From coreboot file of the same name
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ASM_TURBO_H
+#define _ASM_TURBO_H
+
+#define CPUID_LEAF_PM 6
+#define PM_CAP_TURBO_MODE (1 << 1)
+
+#define MSR_IA32_MISC_ENABLES 0x1a0
+#define H_MISC_DISABLE_TURBO (1 << 6)
+
+enum {
+ TURBO_UNKNOWN,
+ TURBO_UNAVAILABLE,
+ TURBO_DISABLED,
+ TURBO_ENABLED,
+};
+
+/* Return current turbo state */
+int turbo_get_state(void);
+
+/* Enable turbo */
+void turbo_enable(void);
+
+#endif
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index 98217dd615..36145cb0a8 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -10,8 +10,6 @@
/* cpu/.../cpu.c */
int arch_cpu_init(void);
-int x86_cpu_init_r(void);
-int cpu_init_r(void);
int x86_cpu_init_f(void);
int cpu_init_f(void);
void init_gd(gd_t *id, u64 *gdt_addr);
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index e146e646cd..55de788500 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -5,6 +5,9 @@
# SPDX-License-Identifier: GPL-2.0+
#
+obj-y += bios.o
+obj-y += bios_asm.o
+obj-y += bios_interrupts.o
obj-$(CONFIG_CMD_BOOTM) += bootm.o
obj-y += cmd_boot.o
obj-y += gcc.o
diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c
new file mode 100644
index 0000000000..298fca632c
--- /dev/null
+++ b/arch/x86/lib/bios.c
@@ -0,0 +1,347 @@
+/*
+ * From Coreboot file device/oprom/realmode/x86.c
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ * Copyright (C) 2009-2010 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#include <common.h>
+#include <bios_emul.h>
+#include <vbe.h>
+#include <asm/cache.h>
+#include <asm/processor.h>
+#include <asm/i8259.h>
+#include <asm/io.h>
+#include <asm/post.h>
+#include "bios.h"
+
+/* Interrupt handlers for each interrupt the ROM can call */
+static int (*int_handler[256])(void);
+
+/* to have a common register file for interrupt handlers */
+X86EMU_sysEnv _X86EMU_env;
+
+asmlinkage void (*realmode_call)(u32 addr, u32 eax, u32 ebx, u32 ecx, u32 edx,
+ u32 esi, u32 edi);
+
+asmlinkage void (*realmode_interrupt)(u32 intno, u32 eax, u32 ebx, u32 ecx,
+ u32 edx, u32 esi, u32 edi);
+
+static void setup_realmode_code(void)
+{
+ memcpy((void *)REALMODE_BASE, &asm_realmode_code,
+ asm_realmode_code_size);
+
+ /* Ensure the global pointers are relocated properly. */
+ realmode_call = PTR_TO_REAL_MODE(asm_realmode_call);
+ realmode_interrupt = PTR_TO_REAL_MODE(__realmode_interrupt);
+
+ debug("Real mode stub @%x: %d bytes\n", REALMODE_BASE,
+ asm_realmode_code_size);
+}
+
+static void setup_rombios(void)
+{
+ const char date[] = "06/11/99";
+ memcpy((void *)0xffff5, &date, 8);
+
+ const char ident[] = "PCI_ISA";
+ memcpy((void *)0xfffd9, &ident, 7);
+
+ /* system model: IBM-AT */
+ writeb(0xfc, 0xffffe);
+}
+
+static int int_exception_handler(void)
+{
+ /* compatibility shim */
+ struct eregs reg_info = {
+ .eax = M.x86.R_EAX,
+ .ecx = M.x86.R_ECX,
+ .edx = M.x86.R_EDX,
+ .ebx = M.x86.R_EBX,
+ .esp = M.x86.R_ESP,
+ .ebp = M.x86.R_EBP,
+ .esi = M.x86.R_ESI,
+ .edi = M.x86.R_EDI,
+ .vector = M.x86.intno,
+ .error_code = 0,
+ .eip = M.x86.R_EIP,
+ .cs = M.x86.R_CS,
+ .eflags = M.x86.R_EFLG
+ };
+ struct eregs *regs = &reg_info;
+
+ debug("Oops, exception %d while executing option rom\n", regs->vector);
+ cpu_hlt();
+
+ return 0;
+}
+
+static int int_unknown_handler(void)
+{
+ debug("Unsupported software interrupt #0x%x eax 0x%x\n",
+ M.x86.intno, M.x86.R_EAX);
+
+ return -1;
+}
+
+/* setup interrupt handlers for mainboard */
+void bios_set_interrupt_handler(int intnum, int (*int_func)(void))
+{
+ int_handler[intnum] = int_func;
+}
+
+static void setup_interrupt_handlers(void)
+{
+ int i;
+
+ /*
+ * The first 16 int_handler functions are not BIOS services,
+ * but the CPU-generated exceptions ("hardware interrupts")
+ */
+ for (i = 0; i < 0x10; i++)
+ int_handler[i] = &int_exception_handler;
+
+ /* Mark all other int_handler calls as unknown first */
+ for (i = 0x10; i < 0x100; i++) {
+ /* Skip if bios_set_interrupt_handler() isn't called first */
+ if (int_handler[i])
+ continue;
+
+ /*
+ * Now set the default functions that are actually needed
+ * to initialize the option roms. The board may override
+ * these with bios_set_interrupt_handler()
+ */
+ switch (i) {
+ case 0x10:
+ int_handler[0x10] = &int10_handler;
+ break;
+ case 0x12:
+ int_handler[0x12] = &int12_handler;
+ break;
+ case 0x16:
+ int_handler[0x16] = &int16_handler;
+ break;
+ case 0x1a:
+ int_handler[0x1a] = &int1a_handler;
+ break;
+ default:
+ int_handler[i] = &int_unknown_handler;
+ break;
+ }
+ }
+}
+
+static void write_idt_stub(void *target, u8 intnum)
+{
+ unsigned char *codeptr;
+
+ codeptr = (unsigned char *)target;
+ memcpy(codeptr, &__idt_handler, __idt_handler_size);
+ codeptr[3] = intnum; /* modify int# in the code stub. */
+}
+
+static void setup_realmode_idt(void)
+{
+ struct realmode_idt *idts = NULL;
+ int i;
+
+ /*
+ * Copy IDT stub code for each interrupt. This might seem wasteful
+ * but it is really simple
+ */
+ for (i = 0; i < 256; i++) {
+ idts[i].cs = 0;
+ idts[i].offset = 0x1000 + (i * __idt_handler_size);
+ write_idt_stub((void *)((u32)idts[i].offset), i);
+ }
+
+ /*
+ * Many option ROMs use the hard coded interrupt entry points in the
+ * system bios. So install them at the known locations.
+ */
+
+ /* int42 is the relocated int10 */
+ write_idt_stub((void *)0xff065, 0x42);
+ /* BIOS Int 11 Handler F000:F84D */
+ write_idt_stub((void *)0xff84d, 0x11);
+ /* BIOS Int 12 Handler F000:F841 */
+ write_idt_stub((void *)0xff841, 0x12);
+ /* BIOS Int 13 Handler F000:EC59 */
+ write_idt_stub((void *)0xfec59, 0x13);
+ /* BIOS Int 14 Handler F000:E739 */
+ write_idt_stub((void *)0xfe739, 0x14);
+ /* BIOS Int 15 Handler F000:F859 */
+ write_idt_stub((void *)0xff859, 0x15);
+ /* BIOS Int 16 Handler F000:E82E */
+ write_idt_stub((void *)0xfe82e, 0x16);
+ /* BIOS Int 17 Handler F000:EFD2 */
+ write_idt_stub((void *)0xfefd2, 0x17);
+ /* ROM BIOS Int 1A Handler F000:FE6E */
+ write_idt_stub((void *)0xffe6e, 0x1a);
+}
+
+static u8 vbe_get_mode_info(struct vbe_mode_info *mi)
+{
+ u16 buffer_seg;
+ u16 buffer_adr;
+ char *buffer;
+
+ debug("VBE: Getting information about VESA mode %04x\n",
+ mi->video_mode);
+ buffer = PTR_TO_REAL_MODE(asm_realmode_buffer);
+ buffer_seg = (((unsigned long)buffer) >> 4) & 0xff00;
+ buffer_adr = ((unsigned long)buffer) & 0xffff;
+
+ realmode_interrupt(0x10, VESA_GET_MODE_INFO, 0x0000, mi->video_mode,
+ 0x0000, buffer_seg, buffer_adr);
+ memcpy(mi->mode_info_block, buffer, sizeof(struct vbe_mode_info));
+ mi->valid = true;
+
+ return 0;
+}
+
+static u8 vbe_set_mode(struct vbe_mode_info *mi)
+{
+ debug("VBE: Setting VESA mode %#04x\n", mi->video_mode);
+ /* request linear framebuffer mode */
+ mi->video_mode |= (1 << 14);
+ /* request clearing of framebuffer */
+ mi->video_mode &= ~(1 << 15);
+ realmode_interrupt(0x10, VESA_SET_MODE, mi->video_mode,
+ 0x0000, 0x0000, 0x0000, 0x0000);
+
+ return 0;
+}
+
+static void vbe_set_graphics(int vesa_mode, struct vbe_mode_info *mode_info)
+{
+ unsigned char *framebuffer;
+
+ mode_info->video_mode = (1 << 14) | vesa_mode;
+ vbe_get_mode_info(mode_info);
+
+ framebuffer = (unsigned char *)mode_info->vesa.phys_base_ptr;
+ debug("VBE: resolution: %dx%d@%d\n",
+ le16_to_cpu(mode_info->vesa.x_resolution),
+ le16_to_cpu(mode_info->vesa.y_resolution),
+ mode_info->vesa.bits_per_pixel);
+ debug("VBE: framebuffer: %p\n", framebuffer);
+ if (!framebuffer) {
+ debug("VBE: Mode does not support linear framebuffer\n");
+ return;
+ }
+
+ vbe_set_mode(mode_info);
+}
+
+void bios_run_on_x86(pci_dev_t pcidev, unsigned long addr, int vesa_mode,
+ struct vbe_mode_info *mode_info)
+{
+ u32 num_dev;
+
+ num_dev = PCI_BUS(pcidev) << 8 | PCI_DEV(pcidev) << 3 |
+ PCI_FUNC(pcidev);
+
+ /* Needed to avoid exceptions in some ROMs */
+ interrupt_init();
+
+ /* Set up some legacy information in the F segment */
+ setup_rombios();
+
+ /* Set up C interrupt handlers */
+ setup_interrupt_handlers();
+
+ /* Set up real-mode IDT */
+ setup_realmode_idt();
+
+ /* Make sure the code is placed. */
+ setup_realmode_code();
+
+ disable_caches();
+ debug("Calling Option ROM at %lx, pci device %#x...", addr, num_dev);
+
+ /* Option ROM entry point is at OPROM start + 3 */
+ realmode_call(addr + 0x0003, num_dev, 0xffff, 0x0000, 0xffff, 0x0,
+ 0x0);
+ debug("done\n");
+
+ if (vesa_mode != -1)
+ vbe_set_graphics(vesa_mode, mode_info);
+}
+
+asmlinkage int interrupt_handler(u32 intnumber, u32 gsfs, u32 dses,
+ u32 edi, u32 esi, u32 ebp, u32 esp,
+ u32 ebx, u32 edx, u32 ecx, u32 eax,
+ u32 cs_ip, u16 stackflags)
+{
+ u32 ip;
+ u32 cs;
+ u32 flags;
+ int ret = 0;
+
+ ip = cs_ip & 0xffff;
+ cs = cs_ip >> 16;
+ flags = stackflags;
+
+#ifdef CONFIG_REALMODE_DEBUG
+ debug("oprom: INT# 0x%x\n", intnumber);
+ debug("oprom: eax: %08x ebx: %08x ecx: %08x edx: %08x\n",
+ eax, ebx, ecx, edx);
+ debug("oprom: ebp: %08x esp: %08x edi: %08x esi: %08x\n",
+ ebp, esp, edi, esi);
+ debug("oprom: ip: %04x cs: %04x flags: %08x\n",
+ ip, cs, flags);
+ debug("oprom: stackflags = %04x\n", stackflags);
+#endif
+
+ /*
+ * Fetch arguments from the stack and put them to a place
+ * suitable for the interrupt handlers
+ */
+ M.x86.R_EAX = eax;
+ M.x86.R_ECX = ecx;
+ M.x86.R_EDX = edx;
+ M.x86.R_EBX = ebx;
+ M.x86.R_ESP = esp;
+ M.x86.R_EBP = ebp;
+ M.x86.R_ESI = esi;
+ M.x86.R_EDI = edi;
+ M.x86.intno = intnumber;
+ M.x86.R_EIP = ip;
+ M.x86.R_CS = cs;
+ M.x86.R_EFLG = flags;
+
+ /* Call the interrupt handler for this interrupt number */
+ ret = int_handler[intnumber]();
+
+ /*
+ * This code is quite strange...
+ *
+ * Put registers back on the stack. The assembler code will pop them
+ * later. We force (volatile!) changing the values of the parameters
+ * of this function. We know that they stay alive on the stack after
+ * we leave this function.
+ */
+ *(volatile u32 *)&eax = M.x86.R_EAX;
+ *(volatile u32 *)&ecx = M.x86.R_ECX;
+ *(volatile u32 *)&edx = M.x86.R_EDX;
+ *(volatile u32 *)&ebx = M.x86.R_EBX;
+ *(volatile u32 *)&esi = M.x86.R_ESI;
+ *(volatile u32 *)&edi = M.x86.R_EDI;
+ flags = M.x86.R_EFLG;
+
+ /* Pass success or error back to our caller via the CARRY flag */
+ if (ret) {
+ flags &= ~1; /* no error: clear carry */
+ } else {
+ debug("int%02x call returned error\n", intnumber);
+ flags |= 1; /* error: set carry */
+ }
+ *(volatile u16 *)&stackflags = flags;
+
+ return ret;
+}
diff --git a/arch/x86/lib/bios.h b/arch/x86/lib/bios.h
new file mode 100644
index 0000000000..8491b4acdd
--- /dev/null
+++ b/arch/x86/lib/bios.h
@@ -0,0 +1,98 @@
+/*
+ * From Coreboot file device/oprom/realmode/x86.h
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ * Copyright (C) 2009-2010 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _X86_LIB_BIOS_H
+#define _X86_LIB_BIOS_H
+
+#define REALMODE_BASE 0x600
+
+#ifdef __ASSEMBLY__
+
+#define PTR_TO_REAL_MODE(x) (x - asm_realmode_code + REALMODE_BASE)
+
+#else
+
+/* Convert a symbol address to our real mode area */
+#define PTR_TO_REAL_MODE(sym)\
+ (void *)(REALMODE_BASE + ((char *)&(sym) - (char *)&asm_realmode_code))
+
+/*
+ * The following symbols cannot be used directly. They need to be fixed up
+ * to point to the correct address location after the code has been copied
+ * to REALMODE_BASE. Absolute symbols are not used because those symbols are
+ * relocated by U-Boot.
+ */
+extern unsigned char asm_realmode_call, __realmode_interrupt;
+extern unsigned char asm_realmode_buffer;
+
+#define DOWNTO8(A) \
+ union { \
+ struct { \
+ union { \
+ struct { \
+ uint8_t A##l; \
+ uint8_t A##h; \
+ } __packed; \
+ uint16_t A##x; \
+ } __packed; \
+ uint16_t h##A##x; \
+ } __packed; \
+ uint32_t e##A##x; \
+ } __packed;
+
+#define DOWNTO16(A) \
+ union { \
+ struct { \
+ uint16_t A; \
+ uint16_t h##A; \
+ } __packed; \
+ uint32_t e##A; \
+ } __packed;
+
+struct eregs {
+ DOWNTO8(a);
+ DOWNTO8(c);
+ DOWNTO8(d);
+ DOWNTO8(b);
+ DOWNTO16(sp);
+ DOWNTO16(bp);
+ DOWNTO16(si);
+ DOWNTO16(di);
+ uint32_t vector;
+ uint32_t error_code;
+ uint32_t eip;
+ uint32_t cs;
+ uint32_t eflags;
+};
+
+struct realmode_idt {
+ u16 offset, cs;
+};
+
+void x86_exception(struct eregs *info);
+
+/* From x86_asm.S */
+extern unsigned char __idt_handler;
+extern unsigned int __idt_handler_size;
+extern unsigned char asm_realmode_code;
+extern unsigned int asm_realmode_code_size;
+
+asmlinkage void (*realmode_call)(u32 addr, u32 eax, u32 ebx, u32 ecx, u32 edx,
+ u32 esi, u32 edi);
+
+asmlinkage void (*realmode_interrupt)(u32 intno, u32 eax, u32 ebx, u32 ecx,
+ u32 edx, u32 esi, u32 edi);
+
+int int10_handler(void);
+int int12_handler(void);
+int int16_handler(void);
+int int1a_handler(void);
+#endif /*__ASSEMBLY__ */
+
+#endif
diff --git a/arch/x86/lib/bios_asm.S b/arch/x86/lib/bios_asm.S
new file mode 100644
index 0000000000..4faa70e314
--- /dev/null
+++ b/arch/x86/lib/bios_asm.S
@@ -0,0 +1,281 @@
+/*
+ * From coreboot x86_asm.S, cleaned up substantially
+ *
+ * Copyright (C) 2009-2010 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <asm/processor.h>
+#include <asm/processor-flags.h>
+#include "bios.h"
+
+#define SEG(segment) $segment * X86_GDT_ENTRY_SIZE
+
+/*
+ * This is the interrupt handler stub code. It gets copied to the IDT and
+ * to some fixed addresses in the F segment. Before the code can used,
+ * it gets patched up by the C function copying it: byte 3 (the $0 in
+ * movb $0, %al) is overwritten with the interrupt numbers.
+ */
+
+ .code16
+ .globl __idt_handler
+__idt_handler:
+ pushal
+ movb $0, %al /* This instruction gets modified */
+ ljmp $0, $__interrupt_handler_16bit
+ .globl __idt_handler_size
+__idt_handler_size:
+ .long . - __idt_handler
+
+.macro setup_registers
+ /* initial register values */
+ movl 44(%ebp), %eax
+ movl %eax, __registers + 0 /* eax */
+ movl 48(%ebp), %eax
+ movl %eax, __registers + 4 /* ebx */
+ movl 52(%ebp), %eax
+ movl %eax, __registers + 8 /* ecx */
+ movl 56(%ebp), %eax
+ movl %eax, __registers + 12 /* edx */
+ movl 60(%ebp), %eax
+ movl %eax, __registers + 16 /* esi */
+ movl 64(%ebp), %eax
+ movl %eax, __registers + 20 /* edi */
+.endm
+
+.macro enter_real_mode
+ /* Activate the right segment descriptor real mode. */
+ ljmp SEG(X86_GDT_ENTRY_16BIT_CS), $PTR_TO_REAL_MODE(1f)
+1:
+.code16
+ /*
+ * Load the segment registers with properly configured segment
+ * descriptors. They will retain these configurations (limits,
+ * writability, etc.) once protected mode is turned off.
+ */
+ mov SEG(X86_GDT_ENTRY_16BIT_DS), %ax
+ mov %ax, %ds
+ mov %ax, %es
+ mov %ax, %fs
+ mov %ax, %gs
+ mov %ax, %ss
+
+ /* Turn off protection */
+ movl %cr0, %eax
+ andl $~X86_CR0_PE, %eax
+ movl %eax, %cr0
+
+ /* Now really going into real mode */
+ ljmp $0, $PTR_TO_REAL_MODE(1f)
+1:
+ /*
+ * Set up a stack: Put the stack at the end of page zero. That way
+ * we can easily share it between real and protected, since the
+ * 16-bit ESP at segment 0 will work for any case.
+ */
+ mov $0x0, %ax
+ mov %ax, %ss
+
+ /* Load 16 bit IDT */
+ xor %ax, %ax
+ mov %ax, %ds
+ lidt __realmode_idt
+
+.endm
+
+.macro prepare_for_irom
+ movl $0x1000, %eax
+ movl %eax, %esp
+
+ /* Initialise registers for option rom lcall */
+ movl __registers + 0, %eax
+ movl __registers + 4, %ebx
+ movl __registers + 8, %ecx
+ movl __registers + 12, %edx
+ movl __registers + 16, %esi
+ movl __registers + 20, %edi
+
+ /* Set all segments to 0x0000, ds to 0x0040 */
+ push %ax
+ xor %ax, %ax
+ mov %ax, %es
+ mov %ax, %fs
+ mov %ax, %gs
+ mov SEG(X86_GDT_ENTRY_16BIT_FLAT_DS), %ax
+ mov %ax, %ds
+ pop %ax
+
+.endm
+
+.macro enter_protected_mode
+ /* Go back to protected mode */
+ movl %cr0, %eax
+ orl $X86_CR0_PE, %eax
+ movl %eax, %cr0
+
+ /* Now that we are in protected mode jump to a 32 bit code segment */
+ data32 ljmp SEG(X86_GDT_ENTRY_32BIT_CS), $PTR_TO_REAL_MODE(1f)
+1:
+ .code32
+ mov SEG(X86_GDT_ENTRY_32BIT_DS), %ax
+ mov %ax, %ds
+ mov %ax, %es
+ mov %ax, %gs
+ mov %ax, %ss
+ mov SEG(X86_GDT_ENTRY_32BIT_FS), %ax
+ mov %ax, %fs
+
+ /* restore proper idt */
+ lidt idt_ptr
+.endm
+
+/*
+ * In order to be independent of U-Boot's position in RAM we relocate a part
+ * of the code to the first megabyte of RAM, so the CPU can use it in
+ * real-mode. This code lives at asm_realmode_code.
+ */
+ .globl asm_realmode_code
+asm_realmode_code:
+
+/* Realmode IDT pointer structure. */
+__realmode_idt = PTR_TO_REAL_MODE(.)
+ .word 1023 /* 16 bit limit */
+ .long 0 /* 24 bit base */
+ .word 0
+
+/* Preserve old stack */
+__stack = PTR_TO_REAL_MODE(.)
+ .long 0
+
+/* Register store for realmode_call and realmode_interrupt */
+__registers = PTR_TO_REAL_MODE(.)
+ .long 0 /* 0 - EAX */
+ .long 0 /* 4 - EBX */
+ .long 0 /* 8 - ECX */
+ .long 0 /* 12 - EDX */
+ .long 0 /* 16 - ESI */
+ .long 0 /* 20 - EDI */
+
+/* 256 byte buffer, used by int10 */
+ .globl asm_realmode_buffer
+asm_realmode_buffer:
+ .skip 256
+
+ .code32
+ .globl asm_realmode_call
+asm_realmode_call:
+ /* save all registers to the stack */
+ pusha
+ pushf
+ movl %esp, __stack
+ movl %esp, %ebp
+
+ /*
+ * This function is called with regparm=0 and we have to skip the
+ * 36 bytes from pushf+pusha. Hence start at 40.
+ * Set up our call instruction.
+ */
+ movl 40(%ebp), %eax
+ mov %ax, __lcall_instr + 1
+ andl $0xffff0000, %eax
+ shrl $4, %eax
+ mov %ax, __lcall_instr + 3
+
+ wbinvd
+
+ setup_registers
+ enter_real_mode
+ prepare_for_irom
+
+__lcall_instr = PTR_TO_REAL_MODE(.)
+ .byte 0x9a
+ .word 0x0000, 0x0000
+
+ enter_protected_mode
+
+ /* restore stack pointer, eflags and register values and exit */
+ movl __stack, %esp
+ popf
+ popa
+ ret
+
+ .globl __realmode_interrupt
+__realmode_interrupt:
+ /* save all registers to the stack and store the stack pointer */
+ pusha
+ pushf
+ movl %esp, __stack
+ movl %esp, %ebp
+
+ /*
+ * This function is called with regparm=0 and we have to skip the
+ * 36 bytes from pushf+pusha. Hence start at 40.
+ * Prepare interrupt calling code.
+ */
+ movl 40(%ebp), %eax
+ movb %al, __intXX_instr + 1 /* intno */
+
+ setup_registers
+ enter_real_mode
+ prepare_for_irom
+
+__intXX_instr = PTR_TO_REAL_MODE(.)
+ .byte 0xcd, 0x00 /* This becomes intXX */
+
+ enter_protected_mode
+
+ /* restore stack pointer, eflags and register values and exit */
+ movl __stack, %esp
+ popf
+ popa
+ ret
+
+/*
+ * This is the 16-bit interrupt entry point called by the IDT stub code.
+ *
+ * Before this code code is called, %eax is pushed to the stack, and the
+ * interrupt number is loaded into %al. On return this function cleans up
+ * for its caller.
+ */
+ .code16
+__interrupt_handler_16bit = PTR_TO_REAL_MODE(.)
+ push %ds
+ push %es
+ push %fs
+ push %gs
+
+ /* Clear DF to not break ABI assumptions */
+ cld
+
+ /*
+ * Clean up the interrupt number. We could do this in the stub, but
+ * it would cost two more bytes per stub entry.
+ */
+ andl $0xff, %eax
+ pushl %eax /* ... and make it the first parameter */
+
+ enter_protected_mode
+
+ /* Call the C interrupt handler */
+ movl $interrupt_handler, %eax
+ call *%eax
+
+ enter_real_mode
+
+ /*
+ * Restore all registers, including those manipulated by the C
+ * handler
+ */
+ popl %eax
+ pop %gs
+ pop %fs
+ pop %es
+ pop %ds
+ popal
+ iret
+
+ .globl asm_realmode_code_size
+asm_realmode_code_size:
+ .long . - asm_realmode_code
diff --git a/arch/x86/lib/bios_interrupts.c b/arch/x86/lib/bios_interrupts.c
new file mode 100644
index 0000000000..b0e2ecbbca
--- /dev/null
+++ b/arch/x86/lib/bios_interrupts.c
@@ -0,0 +1,217 @@
+/*
+ * From Coreboot
+ *
+ * Copyright (C) 2001 Ronald G. Minnich
+ * Copyright (C) 2005 Nick.Barker9@btinternet.com
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/pci.h>
+#include "bios_emul.h"
+
+/* errors go in AH. Just set these up so that word assigns will work */
+enum {
+ PCIBIOS_SUCCESSFUL = 0x0000,
+ PCIBIOS_UNSUPPORTED = 0x8100,
+ PCIBIOS_BADVENDOR = 0x8300,
+ PCIBIOS_NODEV = 0x8600,
+ PCIBIOS_BADREG = 0x8700
+};
+
+int int10_handler(void)
+{
+ static u8 cursor_row, cursor_col;
+ int res = 0;
+
+ switch ((M.x86.R_EAX & 0xff00) >> 8) {
+ case 0x01: /* Set cursor shape */
+ res = 1;
+ break;
+ case 0x02: /* Set cursor position */
+ if (cursor_row != ((M.x86.R_EDX >> 8) & 0xff) ||
+ cursor_col >= (M.x86.R_EDX & 0xff)) {
+ debug("\n");
+ }
+ cursor_row = (M.x86.R_EDX >> 8) & 0xff;
+ cursor_col = M.x86.R_EDX & 0xff;
+ res = 1;
+ break;
+ case 0x03: /* Get cursor position */
+ M.x86.R_EAX &= 0x00ff;
+ M.x86.R_ECX = 0x0607;
+ M.x86.R_EDX = (cursor_row << 8) | cursor_col;
+ res = 1;
+ break;
+ case 0x06: /* Scroll up */
+ debug("\n");
+ res = 1;
+ break;
+ case 0x08: /* Get Character and Mode at Cursor Position */
+ M.x86.R_EAX = 0x0f00 | 'A'; /* White on black 'A' */
+ res = 1;
+ break;
+ case 0x09: /* Write Character and attribute */
+ case 0x0e: /* Write Character */
+ debug("%c", M.x86.R_EAX & 0xff);
+ res = 1;
+ break;
+ case 0x0f: /* Get video mode */
+ M.x86.R_EAX = 0x5002; /*80 x 25 */
+ M.x86.R_EBX &= 0x00ff;
+ res = 1;
+ break;
+ default:
+ printf("Unknown INT10 function %04x\n", M.x86.R_EAX & 0xffff);
+ break;
+ }
+ return res;
+}
+
+int int12_handler(void)
+{
+ M.x86.R_EAX = 64 * 1024;
+ return 1;
+}
+
+int int16_handler(void)
+{
+ int res = 0;
+
+ switch ((M.x86.R_EAX & 0xff00) >> 8) {
+ case 0x00: /* Check for Keystroke */
+ M.x86.R_EAX = 0x6120; /* Space Bar, Space */
+ res = 1;
+ break;
+ case 0x01: /* Check for Keystroke */
+ M.x86.R_EFLG |= 1 << 6; /* Zero Flag set (no key available) */
+ res = 1;
+ break;
+ default:
+ printf("Unknown INT16 function %04x\n", M.x86.R_EAX & 0xffff);
+
+break;
+ }
+ return res;
+}
+
+#define PCI_CONFIG_SPACE_TYPE1 (1 << 0)
+#define PCI_SPECIAL_CYCLE_TYPE1 (1 << 4)
+
+int int1a_handler(void)
+{
+ unsigned short func = (unsigned short)M.x86.R_EAX;
+ int retval = 1;
+ unsigned short devid, vendorid, devfn;
+ /* Use short to get rid of gabage in upper half of 32-bit register */
+ short devindex;
+ unsigned char bus;
+ pci_dev_t dev;
+ u32 dword;
+ u16 word;
+ u8 byte, reg;
+
+ switch (func) {
+ case 0xb101: /* PCIBIOS Check */
+ M.x86.R_EDX = 0x20494350; /* ' ICP' */
+ M.x86.R_EAX &= 0xffff0000; /* Clear AH / AL */
+ M.x86.R_EAX |= PCI_CONFIG_SPACE_TYPE1 |
+ PCI_SPECIAL_CYCLE_TYPE1;
+ /*
+ * last bus in the system. Hard code to 255 for now.
+ * dev_enumerate() does not seem to tell us (publically)
+ */
+ M.x86.R_ECX = 0xff;
+ M.x86.R_EDI = 0x00000000; /* protected mode entry */
+ retval = 1;
+ break;
+ case 0xb102: /* Find Device */
+ devid = M.x86.R_ECX;
+ vendorid = M.x86.R_EDX;
+ devindex = M.x86.R_ESI;
+ dev = pci_find_device(vendorid, devid, devindex);
+ if (dev != -1) {
+ unsigned short busdevfn;
+ M.x86.R_EAX &= 0xffff00ff; /* Clear AH */
+ M.x86.R_EAX |= PCIBIOS_SUCCESSFUL;
+ /*
+ * busnum is an unsigned char;
+ * devfn is an int, so we mask it off.
+ */
+ busdevfn = (PCI_BUS(dev) << 8) | PCI_DEV(dev) << 3 |
+ PCI_FUNC(dev);
+ debug("0x%x: return 0x%x\n", func, busdevfn);
+ M.x86.R_EBX = busdevfn;
+ retval = 1;
+ } else {
+ M.x86.R_EAX &= 0xffff00ff; /* Clear AH */
+ M.x86.R_EAX |= PCIBIOS_NODEV;
+ retval = 0;
+ }
+ break;
+ case 0xb10a: /* Read Config Dword */
+ case 0xb109: /* Read Config Word */
+ case 0xb108: /* Read Config Byte */
+ case 0xb10d: /* Write Config Dword */
+ case 0xb10c: /* Write Config Word */
+ case 0xb10b: /* Write Config Byte */
+ devfn = M.x86.R_EBX & 0xff;
+ bus = M.x86.R_EBX >> 8;
+ reg = M.x86.R_EDI;
+ dev = PCI_BDF(bus, devfn >> 3, devfn & 7);
+ if (!dev) {
+ debug("0x%x: BAD DEVICE bus %d devfn 0x%x\n", func,
+ bus, devfn);
+ /* Or are we supposed to return PCIBIOS_NODEV? */
+ M.x86.R_EAX &= 0xffff00ff; /* Clear AH */
+ M.x86.R_EAX |= PCIBIOS_BADREG;
+ retval = 0;
+ return retval;
+ }
+ switch (func) {
+ case 0xb108: /* Read Config Byte */
+ byte = pci_read_config8(dev, reg);
+ M.x86.R_ECX = byte;
+ break;
+ case 0xb109: /* Read Config Word */
+ word = pci_read_config16(dev, reg);
+ M.x86.R_ECX = word;
+ break;
+ case 0xb10a: /* Read Config Dword */
+ dword = pci_read_config32(dev, reg);
+ M.x86.R_ECX = dword;
+ break;
+ case 0xb10b: /* Write Config Byte */
+ byte = M.x86.R_ECX;
+ pci_write_config8(dev, reg, byte);
+ break;
+ case 0xb10c: /* Write Config Word */
+ word = M.x86.R_ECX;
+ pci_write_config16(dev, reg, word);
+ break;
+ case 0xb10d: /* Write Config Dword */
+ dword = M.x86.R_ECX;
+ pci_write_config32(dev, reg, dword);
+ break;
+ }
+
+#ifdef CONFIG_REALMODE_DEBUG
+ debug("0x%x: bus %d devfn 0x%x reg 0x%x val 0x%x\n", func,
+ bus, devfn, reg, M.x86.R_ECX);
+#endif
+ M.x86.R_EAX &= 0xffff00ff; /* Clear AH */
+ M.x86.R_EAX |= PCIBIOS_SUCCESSFUL;
+ retval = 1;
+ break;
+ default:
+ printf("UNSUPPORTED PCIBIOS FUNCTION 0x%x\n", func);
+ M.x86.R_EAX &= 0xffff00ff; /* Clear AH */
+ M.x86.R_EAX |= PCIBIOS_UNSUPPORTED;
+ retval = 0;
+ break;
+ }
+
+ return retval;
+}
diff --git a/arch/x86/lib/pcat_interrupts.c b/arch/x86/lib/pcat_interrupts.c
index 4c86f7fc6a..a9af87e4ce 100644
--- a/arch/x86/lib/pcat_interrupts.c
+++ b/arch/x86/lib/pcat_interrupts.c
@@ -24,12 +24,10 @@
#error "CONFIG_SYS_NUM_IRQS must equal 16 if CONFIG_SYS_NUM_IRQS is defined"
#endif
-int interrupt_init(void)
+int i8259_init(void)
{
u8 i;
- disable_interrupts();
-
/* Mask all interrupts */
outb(0xff, MASTER_PIC + IMR);
outb(0xff, SLAVE_PIC + IMR);
@@ -62,7 +60,8 @@ int interrupt_init(void)
*/
unmask_irq(2);
- enable_interrupts();
+ /* Interrupt 9 should be level triggered (SCI). The OS might do this */
+ configure_irq_trigger(9, true);
return 0;
}
@@ -114,3 +113,38 @@ void specific_eoi(int irq)
outb(OCW2_SEOI | irq, MASTER_PIC + OCW2);
}
+
+#define ELCR1 0x4d0
+#define ELCR2 0x4d1
+
+void configure_irq_trigger(int int_num, bool is_level_triggered)
+{
+ u16 int_bits = inb(ELCR1) | (((u16)inb(ELCR2)) << 8);
+
+ debug("%s: current interrupts are 0x%x\n", __func__, int_bits);
+ if (is_level_triggered)
+ int_bits |= (1 << int_num);
+ else
+ int_bits &= ~(1 << int_num);
+
+ /* Write new values */
+ debug("%s: try to set interrupts 0x%x\n", __func__, int_bits);
+ outb((u8)(int_bits & 0xff), ELCR1);
+ outb((u8)(int_bits >> 8), ELCR2);
+
+#ifdef PARANOID_IRQ_TRIGGERS
+ /*
+ * Try reading back the new values. This seems like an error but is
+ * not
+ */
+ if (inb(ELCR1) != (int_bits & 0xff)) {
+ printf("%s: lower order bits are wrong: want 0x%x, got 0x%x\n",
+ __func__, (int_bits & 0xff), inb(ELCR1));
+ }
+
+ if (inb(ELCR2) != (int_bits >> 8)) {
+ printf("%s: higher order bits are wrong: want 0x%x, got 0x%x\n",
+ __func__, (int_bits>>8), inb(ELCR2));
+ }
+#endif
+}
diff --git a/arch/x86/lib/relocate.c b/arch/x86/lib/relocate.c
index faca38fff4..b33586b54c 100644
--- a/arch/x86/lib/relocate.c
+++ b/arch/x86/lib/relocate.c
@@ -76,6 +76,9 @@ int do_elf_reloc_fixups(void)
/* The size of the region of u-boot that runs out of RAM. */
uintptr_t size = (uintptr_t)&__bss_end - (uintptr_t)&__text_start;
+ if (re_src == re_end)
+ panic("No relocation data");
+
do {
/* Get the location from the relocation entry */
offset_ptr_rom = (Elf32_Addr *)re_src->r_offset;
diff --git a/arch/x86/lib/string.c b/arch/x86/lib/string.c
index a1656ccfe7..6c66431ed9 100644
--- a/arch/x86/lib/string.c
+++ b/arch/x86/lib/string.c
@@ -8,9 +8,9 @@
/* From glibc-2.14, sysdeps/i386/memset.c */
-#include <compiler.h>
-#include <asm/string.h>
#include <linux/types.h>
+#include <linux/compiler.h>
+#include <asm/string.h>
typedef uint32_t op_t;