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authorTom Rini <trini@konsulko.com>2019-05-08 09:20:19 -0400
committerTom Rini <trini@konsulko.com>2019-05-08 09:20:19 -0400
commit8c66fb88e3bd00b486d2da2b90f5ff8534b7e3c0 (patch)
tree4b8a83298e5db7f930fd76f1cb7c0b40c0fbaf10
parentd4c352138c266d618677778a40a846946ec1af1c (diff)
parentffe403762be48d475de4b2b6df87c32fd3a1e8dd (diff)
Merge git://git.denx.de/u-boot-x86
- Allow x86 boards to use TPL, SPL and U-Boot proper - Update sysreset x86 driver to utilize ACPI registers to do power off - Add a new chromebook_samus_tpl board for TPL support - Several minor changes in binman tool
-rw-r--r--Makefile1
-rw-r--r--arch/Kconfig32
-rw-r--r--arch/x86/Kconfig10
-rw-r--r--arch/x86/Makefile16
-rw-r--r--arch/x86/cpu/Makefile15
-rw-r--r--arch/x86/cpu/broadwell/Makefile23
-rw-r--r--arch/x86/cpu/broadwell/cpu.c676
-rw-r--r--arch/x86/cpu/broadwell/cpu_from_spl.c63
-rw-r--r--arch/x86/cpu/broadwell/cpu_full.c694
-rw-r--r--arch/x86/cpu/broadwell/northbridge.c100
-rw-r--r--arch/x86/cpu/broadwell/pch.c37
-rw-r--r--arch/x86/cpu/broadwell/sdram.c136
-rw-r--r--arch/x86/cpu/i386/cpu.c113
-rw-r--r--arch/x86/cpu/intel_common/Makefile17
-rw-r--r--arch/x86/cpu/intel_common/car.S2
-rw-r--r--arch/x86/cpu/intel_common/cpu_from_spl.c27
-rw-r--r--arch/x86/cpu/ivybridge/bd82x6x.c15
-rw-r--r--arch/x86/cpu/mp_init.c10
-rw-r--r--arch/x86/cpu/start.S13
-rw-r--r--arch/x86/cpu/start64.S2
-rw-r--r--arch/x86/cpu/start_from_spl.S71
-rw-r--r--arch/x86/cpu/start_from_tpl.S49
-rw-r--r--arch/x86/cpu/u-boot-spl.lds2
-rw-r--r--arch/x86/cpu/x86_64/cpu.c5
-rw-r--r--arch/x86/dts/chromebook_samus.dts53
-rw-r--r--arch/x86/dts/reset.dtsi2
-rw-r--r--arch/x86/dts/rtc.dtsi2
-rw-r--r--arch/x86/dts/u-boot.dtsi162
-rw-r--r--arch/x86/include/asm/handoff.h15
-rw-r--r--arch/x86/include/asm/mrccache.h11
-rw-r--r--arch/x86/include/asm/spl.h17
-rw-r--r--arch/x86/include/asm/u-boot-x86.h20
-rw-r--r--arch/x86/lib/Makefile9
-rw-r--r--arch/x86/lib/bootm.c2
-rw-r--r--arch/x86/lib/fsp/fsp_car.S2
-rw-r--r--arch/x86/lib/init_helpers.c5
-rw-r--r--arch/x86/lib/mrccache.c52
-rw-r--r--arch/x86/lib/spl.c44
-rw-r--r--arch/x86/lib/tpl.c118
-rw-r--r--board/google/Kconfig8
-rw-r--r--board/google/chromebook_samus/Kconfig14
-rw-r--r--board/google/chromebook_samus/MAINTAINERS7
-rw-r--r--configs/chromebook_samus_defconfig2
-rw-r--r--configs/chromebook_samus_tpl_defconfig82
-rw-r--r--doc/README.x8616
-rw-r--r--drivers/core/ofnode.c2
-rw-r--r--drivers/misc/cros_ec.c2
-rw-r--r--drivers/pci/pci_rom.c2
-rw-r--r--drivers/sysreset/sysreset_x86.c101
-rw-r--r--include/configs/chromebook_link.h3
-rw-r--r--include/configs/chromebook_samus.h2
-rw-r--r--include/configs/qemu-x86.h5
-rw-r--r--include/configs/x86-common.h1
-rw-r--r--include/pch.h18
-rw-r--r--include/pci.h6
-rw-r--r--scripts/Makefile.spl24
-rw-r--r--tools/binman/README7
-rw-r--r--tools/binman/bsection.py9
-rw-r--r--tools/binman/control.py4
-rw-r--r--tools/binman/etype/section.py3
-rw-r--r--tools/binman/etype/text.py4
-rw-r--r--tools/binman/etype/vblock.py1
-rw-r--r--tools/binman/ftest.py44
-rw-r--r--tools/binman/test/101_sections_offset.dts35
64 files changed, 2063 insertions, 982 deletions
diff --git a/Makefile b/Makefile
index 5ae5db591f..9fb90c0779 100644
--- a/Makefile
+++ b/Makefile
@@ -1380,6 +1380,7 @@ cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \
u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \
$(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \
+ $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin) \
$(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE
$(call if_changed,binman)
diff --git a/arch/Kconfig b/arch/Kconfig
index 760023b19a..0ad3867cd1 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -126,6 +126,8 @@ config SH
config X86
bool "x86 architecture"
+ select SUPPORT_SPL
+ select SUPPORT_TPL
select CREATE_ARCH_SYMLINK
select DM
select DM_PCI
@@ -163,6 +165,36 @@ config X86
imply USB_ETHER_SMSC95XX
imply USB_HOST_ETHER
imply PCH
+ imply RTC_MC146818
+
+ # Thing to enable for when SPL/TPL are enabled: SPL
+ imply SPL_DM
+ imply SPL_OF_LIBFDT
+ imply SPL_DRIVERS_MISC_SUPPORT
+ imply SPL_GPIO_SUPPORT
+ imply SPL_LIBCOMMON_SUPPORT
+ imply SPL_LIBGENERIC_SUPPORT
+ imply SPL_SERIAL_SUPPORT
+ imply SPL_SPI_FLASH_SUPPORT
+ imply SPL_SPI_SUPPORT
+ imply SPL_OF_CONTROL
+ imply SPL_TIMER
+ imply SPL_REGMAP
+ imply SPL_SYSCON
+ # TPL
+ imply TPL_DM
+ imply TPL_OF_LIBFDT
+ imply TPL_DRIVERS_MISC_SUPPORT
+ imply TPL_GPIO_SUPPORT
+ imply TPL_LIBCOMMON_SUPPORT
+ imply TPL_LIBGENERIC_SUPPORT
+ imply TPL_SERIAL_SUPPORT
+ imply TPL_SPI_FLASH_SUPPORT
+ imply TPL_SPI_SUPPORT
+ imply TPL_OF_CONTROL
+ imply TPL_TIMER
+ imply TPL_REGMAP
+ imply TPL_SYSCON
config XTENSA
bool "Xtensa architecture"
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e052093775..45a533625a 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -32,7 +32,6 @@ config X86_RUN_32BIT
config X86_RUN_64BIT
bool "64-bit"
select X86_64
- select SUPPORT_SPL
select SPL
select SPL_SEPARATE_BSS
help
@@ -177,10 +176,17 @@ config X86_16BIT_INIT
config SPL_X86_16BIT_INIT
bool
depends on X86_RESET_VECTOR
- default y if X86_RESET_VECTOR && SPL
+ default y if X86_RESET_VECTOR && SPL && !TPL
help
This is enabled when 16-bit init is in SPL
+config TPL_X86_16BIT_INIT
+ bool
+ depends on X86_RESET_VECTOR
+ default y if X86_RESET_VECTOR && TPL
+ help
+ This is enabled when 16-bit init is in TPL
+
config X86_32BIT_INIT
bool
depends on X86_RESET_VECTOR
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index fec14847cc..f1afc74fff 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -4,12 +4,24 @@ ifeq ($(CONFIG_EFI_APP),)
ifdef CONFIG_$(SPL_)X86_64
head-y := arch/x86/cpu/start64.o
else
+ifeq ($(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),y)
head-y := arch/x86/cpu/start.o
+else
+ifndef CONFIG_SPL
+head-y := arch/x86/cpu/start.o
+else
+ifdef CONFIG_SPL_BUILD
+head-y = arch/x86/cpu/start_from_tpl.o
+else
+head-y = arch/x86/cpu/start_from_spl.o
+endif
+endif
endif
endif
+endif # EFI
-head-$(CONFIG_$(SPL_)X86_16BIT_INIT) += arch/x86/cpu/start16.o
-head-$(CONFIG_$(SPL_)X86_16BIT_INIT) += arch/x86/cpu/resetvec.o
+head-$(CONFIG_$(SPL_TPL_)X86_16BIT_INIT) += arch/x86/cpu/start16.o
+head-$(CONFIG_$(SPL_TPL_)X86_16BIT_INIT) += arch/x86/cpu/resetvec.o
libs-y += arch/x86/cpu/
libs-y += arch/x86/lib/
diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 54668aab24..85fd5e616e 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -9,9 +9,22 @@
ifeq ($(CONFIG_$(SPL_)X86_64),y)
extra-y = start64.o
else
+ifeq ($(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),y)
extra-y = start.o
+else
+ifndef CONFIG_SPL
+extra-y = start.o
+else
+ifdef CONFIG_SPL_BUILD
+extra-y = start_from_tpl.o
+else
+extra-y = start_from_spl.o
endif
-extra-$(CONFIG_$(SPL_)X86_16BIT_INIT) += resetvec.o start16.o
+endif
+endif
+endif
+
+extra-$(CONFIG_$(SPL_TPL_)X86_16BIT_INIT) += resetvec.o start16.o
obj-y += cpu.o cpu_x86.o
diff --git a/arch/x86/cpu/broadwell/Makefile b/arch/x86/cpu/broadwell/Makefile
index d3785aabdf..52d56c65be 100644
--- a/arch/x86/cpu/broadwell/Makefile
+++ b/arch/x86/cpu/broadwell/Makefile
@@ -3,7 +3,24 @@
# Copyright (c) 2016 Google, Inc
obj-y += adsp.o
-obj-y += cpu.o
+obj-$(CONFIG_$(SPL_TPL_)X86_16BIT_INIT) += cpu.o
+obj-$(CONFIG_$(SPL_TPL_)X86_32BIT_INIT) += cpu_full.o
+
+ifdef CONFIG_SPL
+ifndef CONFIG_SPL_BUILD
+obj-y += cpu_from_spl.o
+obj-y += cpu_full.o
+obj-y += refcode.o
+endif
+ifndef CONFIG_SPL_BUILD
+# obj-y += cpu_from_spl.o
+endif
+endif
+
+ifeq ($(CONFIG_$(SPL_TPL_)X86_32BIT_INIT),)
+#obj-y += cpu_from_spl.o
+endif
+
obj-y += iobp.o
obj-y += lpc.o
obj-y += me.o
@@ -11,6 +28,6 @@ obj-y += northbridge.o
obj-y += pch.o
obj-y += pinctrl_broadwell.o
obj-y += power_state.o
-obj-y += refcode.o
+obj-$(CONFIG_$(SPL_TPL_)X86_32BIT_INIT) += refcode.o
obj-y += sata.o
-obj-y += sdram.o
+obj-$(CONFIG_$(SPL_TPL_)X86_32BIT_INIT) += sdram.o
diff --git a/arch/x86/cpu/broadwell/cpu.c b/arch/x86/cpu/broadwell/cpu.c
index 232fa40eb5..bb7c361408 100644
--- a/arch/x86/cpu/broadwell/cpu.c
+++ b/arch/x86/cpu/broadwell/cpu.c
@@ -12,75 +12,15 @@
#include <asm/cpu_x86.h>
#include <asm/cpu_common.h>
#include <asm/intel_regs.h>
+#include <asm/lpc_common.h>
#include <asm/msr.h>
+#include <asm/pci.h>
#include <asm/post.h>
#include <asm/turbo.h>
#include <asm/arch/cpu.h>
#include <asm/arch/pch.h>
#include <asm/arch/rcb.h>
-struct cpu_broadwell_priv {
- bool ht_disabled;
-};
-
-/* 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 arch_cpu_init_dm(void)
{
struct udevice *dev;
@@ -156,613 +96,13 @@ int print_cpuinfo(void)
return 0;
}
-/*
- * The core 100MHz BLCK is disabled in deeper c-states. One needs to calibrate
- * the 100MHz BCLCK against the 24MHz BLCK to restore the clocks properly
- * when a core is woken up
- */
-static int pcode_ready(void)
-{
- int wait_count;
- const int delay_step = 10;
-
- wait_count = 0;
- do {
- if (!(readl(MCHBAR_REG(BIOS_MAILBOX_INTERFACE)) &
- MAILBOX_RUN_BUSY))
- return 0;
- wait_count += delay_step;
- udelay(delay_step);
- } while (wait_count < 1000);
-
- return -ETIMEDOUT;
-}
-
-static u32 pcode_mailbox_read(u32 command)
-{
- int ret;
-
- ret = pcode_ready();
- if (ret) {
- debug("PCODE: mailbox timeout on wait ready\n");
- return ret;
- }
-
- /* Send command and start transaction */
- writel(command | MAILBOX_RUN_BUSY, MCHBAR_REG(BIOS_MAILBOX_INTERFACE));
-
- ret = pcode_ready();
- if (ret) {
- debug("PCODE: mailbox timeout on completion\n");
- return ret;
- }
-
- /* Read mailbox */
- return readl(MCHBAR_REG(BIOS_MAILBOX_DATA));
-}
-
-static int pcode_mailbox_write(u32 command, u32 data)
-{
- int ret;
-
- ret = pcode_ready();
- if (ret) {
- debug("PCODE: mailbox timeout on wait ready\n");
- return ret;
- }
-
- writel(data, MCHBAR_REG(BIOS_MAILBOX_DATA));
-
- /* Send command and start transaction */
- writel(command | MAILBOX_RUN_BUSY, MCHBAR_REG(BIOS_MAILBOX_INTERFACE));
-
- ret = pcode_ready();
- if (ret) {
- debug("PCODE: mailbox timeout on completion\n");
- return ret;
- }
-
- return 0;
-}
-
-/* @dev is the CPU device */
-static void initialize_vr_config(struct udevice *dev)
-{
- int ramp, min_vid;
- msr_t msr;
-
- debug("Initializing VR config\n");
-
- /* Configure VR_CURRENT_CONFIG */
- msr = msr_read(MSR_VR_CURRENT_CONFIG);
- /*
- * Preserve bits 63 and 62. Bit 62 is PSI4 enable, but it is only valid
- * on ULT systems
- */
- msr.hi &= 0xc0000000;
- msr.hi |= (0x01 << (52 - 32)); /* PSI3 threshold - 1A */
- msr.hi |= (0x05 << (42 - 32)); /* PSI2 threshold - 5A */
- msr.hi |= (0x14 << (32 - 32)); /* PSI1 threshold - 20A */
- msr.hi |= (1 << (62 - 32)); /* Enable PSI4 */
- /* Leave the max instantaneous current limit (12:0) to default */
- msr_write(MSR_VR_CURRENT_CONFIG, msr);
-
- /* Configure VR_MISC_CONFIG MSR */
- msr = msr_read(MSR_VR_MISC_CONFIG);
- /* Set the IOUT_SLOPE scalar applied to dIout in U10.1.9 format */
- msr.hi &= ~(0x3ff << (40 - 32));
- msr.hi |= (0x200 << (40 - 32)); /* 1.0 */
- /* Set IOUT_OFFSET to 0 */
- msr.hi &= ~0xff;
- /* Set entry ramp rate to slow */
- msr.hi &= ~(1 << (51 - 32));
- /* Enable decay mode on C-state entry */
- msr.hi |= (1 << (52 - 32));
- /* Set the slow ramp rate */
- msr.hi &= ~(0x3 << (53 - 32));
- /* Configure the C-state exit ramp rate */
- ramp = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
- "intel,slow-ramp", -1);
- if (ramp != -1) {
- /* Configured slow ramp rate */
- msr.hi |= ((ramp & 0x3) << (53 - 32));
- /* Set exit ramp rate to slow */
- msr.hi &= ~(1 << (50 - 32));
- } else {
- /* Fast ramp rate / 4 */
- msr.hi |= (0x01 << (53 - 32));
- /* Set exit ramp rate to fast */
- msr.hi |= (1 << (50 - 32));
- }
- /* Set MIN_VID (31:24) to allow CPU to have full control */
- msr.lo &= ~0xff000000;
- min_vid = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
- "intel,min-vid", 0);
- msr.lo |= (min_vid & 0xff) << 24;
- msr_write(MSR_VR_MISC_CONFIG, msr);
-
- /* Configure VR_MISC_CONFIG2 MSR */
- msr = msr_read(MSR_VR_MISC_CONFIG2);
- msr.lo &= ~0xffff;
- /*
- * Allow CPU to control minimum voltage completely (15:8) and
- * set the fast ramp voltage in 10mV steps
- */
- if (cpu_get_family_model() == BROADWELL_FAMILY_ULT)
- msr.lo |= 0x006a; /* 1.56V */
- else
- msr.lo |= 0x006f; /* 1.60V */
- msr_write(MSR_VR_MISC_CONFIG2, msr);
-
- /* Set C9/C10 VCC Min */
- pcode_mailbox_write(MAILBOX_BIOS_CMD_WRITE_C9C10_VOLTAGE, 0x1f1f);
-}
-
-static int calibrate_24mhz_bclk(void)
-{
- int err_code;
- int ret;
-
- ret = pcode_ready();
- if (ret)
- return ret;
-
- /* A non-zero value initiates the PCODE calibration */
- writel(~0, MCHBAR_REG(BIOS_MAILBOX_DATA));
- writel(MAILBOX_RUN_BUSY | MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL,
- MCHBAR_REG(BIOS_MAILBOX_INTERFACE));
-
- ret = pcode_ready();
- if (ret)
- return ret;
-
- err_code = readl(MCHBAR_REG(BIOS_MAILBOX_INTERFACE)) & 0xff;
-
- debug("PCODE: 24MHz BLCK calibration response: %d\n", err_code);
-
- /* Read the calibrated value */
- writel(MAILBOX_RUN_BUSY | MAILBOX_BIOS_CMD_READ_CALIBRATION,
- MCHBAR_REG(BIOS_MAILBOX_INTERFACE));
-
- ret = pcode_ready();
- if (ret)
- return ret;
-
- debug("PCODE: 24MHz BLCK calibration value: 0x%08x\n",
- readl(MCHBAR_REG(BIOS_MAILBOX_DATA)));
-
- return 0;
-}
-
-static void configure_pch_power_sharing(void)
-{
- u32 pch_power, pch_power_ext, pmsync, pmsync2;
- int i;
-
- /* Read PCH Power levels from PCODE */
- pch_power = pcode_mailbox_read(MAILBOX_BIOS_CMD_READ_PCH_POWER);
- pch_power_ext = pcode_mailbox_read(MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT);
-
- debug("PCH Power: PCODE Levels 0x%08x 0x%08x\n", pch_power,
- pch_power_ext);
-
- pmsync = readl(RCB_REG(PMSYNC_CONFIG));
- pmsync2 = readl(RCB_REG(PMSYNC_CONFIG2));
-
- /*
- * Program PMSYNC_TPR_CONFIG PCH power limit values
- * pmsync[0:4] = mailbox[0:5]
- * pmsync[8:12] = mailbox[6:11]
- * pmsync[16:20] = mailbox[12:17]
- */
- for (i = 0; i < 3; i++) {
- u32 level = pch_power & 0x3f;
- pch_power >>= 6;
- pmsync &= ~(0x1f << (i * 8));
- pmsync |= (level & 0x1f) << (i * 8);
- }
- writel(pmsync, RCB_REG(PMSYNC_CONFIG));
-
- /*
- * Program PMSYNC_TPR_CONFIG2 Extended PCH power limit values
- * pmsync2[0:4] = mailbox[23:18]
- * pmsync2[8:12] = mailbox_ext[6:11]
- * pmsync2[16:20] = mailbox_ext[12:17]
- * pmsync2[24:28] = mailbox_ext[18:22]
- */
- pmsync2 &= ~0x1f;
- pmsync2 |= pch_power & 0x1f;
-
- for (i = 1; i < 4; i++) {
- u32 level = pch_power_ext & 0x3f;
- pch_power_ext >>= 6;
- pmsync2 &= ~(0x1f << (i * 8));
- pmsync2 |= (level & 0x1f) << (i * 8);
- }
- writel(pmsync2, RCB_REG(PMSYNC_CONFIG2));
-}
-
-static int bsp_init_before_ap_bringup(struct udevice *dev)
-{
- int ret;
-
- initialize_vr_config(dev);
- ret = calibrate_24mhz_bclk();
- if (ret)
- return ret;
- configure_pch_power_sharing();
-
- return 0;
-}
-
-int cpu_config_tdp_levels(void)
-{
- msr_t platform_info;
-
- /* Bits 34:33 indicate how many levels supported */
- platform_info = msr_read(MSR_PLATFORM_INFO);
- return (platform_info.hi >> 1) & 3;
-}
-
-static void set_max_ratio(void)
-{
- msr_t msr, perf_ctl;
-
- perf_ctl.hi = 0;
-
- /* Check for configurable TDP option */
- if (turbo_get_state() == TURBO_ENABLED) {
- msr = msr_read(MSR_NHM_TURBO_RATIO_LIMIT);
- perf_ctl.lo = (msr.lo & 0xff) << 8;
- } else 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("cpu: frequency set to %d\n",
- ((perf_ctl.lo >> 8) & 0xff) * CPU_BCLK);
-}
-
-int broadwell_init(struct udevice *dev)
-{
- struct cpu_broadwell_priv *priv = dev_get_priv(dev);
- int num_threads;
- int num_cores;
- msr_t msr;
- int ret;
-
- msr = msr_read(CORE_THREAD_COUNT_MSR);
- num_threads = (msr.lo >> 0) & 0xffff;
- num_cores = (msr.lo >> 16) & 0xffff;
- debug("CPU has %u cores, %u threads enabled\n", num_cores,
- num_threads);
-
- priv->ht_disabled = num_threads == num_cores;
-
- ret = bsp_init_before_ap_bringup(dev);
- if (ret)
- return ret;
-
- set_max_ratio();
-
- return ret;
-}
-
-static void configure_mca(void)
-{
- msr_t msr;
- const unsigned int mcg_cap_msr = 0x179;
- int i;
- int num_banks;
-
- msr = msr_read(mcg_cap_msr);
- num_banks = msr.lo & 0xff;
- msr.lo = 0;
- msr.hi = 0;
- /*
- * TODO(adurbin): This should only be done on a cold boot. Also, some
- * of these banks are core vs package scope. For now every CPU clears
- * every bank
- */
- for (i = 0; i < num_banks; i++)
- msr_write(MSR_IA32_MC0_STATUS + (i * 4), 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_c_states(void)
-{
- msr_t msr;
-
- msr = msr_read(MSR_PMG_CST_CONFIG_CONTROL);
- msr.lo |= (1 << 31); /* Timed MWAIT Enable */
- msr.lo |= (1 << 30); /* Package c-state Undemotion Enable */
- msr.lo |= (1 << 29); /* Package c-state Demotion Enable */
- 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 */
- /* The deepest package c-state defaults to factory-configured value */
- msr_write(MSR_PMG_CST_CONFIG_CONTROL, 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);
-
- /* C-state Interrupt Response Latency Control 0 - package C3 latency */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_0_LIMIT;
- msr_write(MSR_C_STATE_LATENCY_CONTROL_0, msr);
-
- /* C-state Interrupt Response Latency Control 1 */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_1_LIMIT;
- msr_write(MSR_C_STATE_LATENCY_CONTROL_1, msr);
-
- /* C-state Interrupt Response Latency Control 2 - package C6/C7 short */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_2_LIMIT;
- msr_write(MSR_C_STATE_LATENCY_CONTROL_2, msr);
-
- /* C-state Interrupt Response Latency Control 3 - package C8 */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_3_LIMIT;
- msr_write(MSR_C_STATE_LATENCY_CONTROL_3, msr);
-
- /* C-state Interrupt Response Latency Control 4 - package C9 */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_4_LIMIT;
- msr_write(MSR_C_STATE_LATENCY_CONTROL_4, msr);
-
- /* C-state Interrupt Response Latency Control 5 - package C10 */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_5_LIMIT;
- msr_write(MSR_C_STATE_LATENCY_CONTROL_5, msr);
-}
-
-static void configure_misc(void)
-{
- msr_t msr;
-
- msr = msr_read(MSR_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(MSR_IA32_MISC_ENABLE, msr);
-
- /* Disable thermal interrupts */
- msr.lo = 0;
- msr.hi = 0;
- msr_write(MSR_IA32_THERM_INTERRUPT, msr);
-
- /* Enable package critical interrupt only */
- msr.lo = 1 << 4;
- msr.hi = 0;
- msr_write(MSR_IA32_PACKAGE_THERM_INTERRUPT, msr);
-}
-
-static void configure_thermal_target(struct udevice *dev)
-{
- int tcc_offset;
- msr_t msr;
-
- tcc_offset = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
- "intel,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);
- }
-}
-
-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(MSR_IA32_PLATFORM_DCA_CAP);
- msr.lo |= 1;
- msr_write(MSR_IA32_PLATFORM_DCA_CAP, msr);
- }
-}
-
-static void set_energy_perf_bias(u8 policy)
-{
- msr_t msr;
- int ecx;
-
- /* Determine if energy efficient policy is supported */
- ecx = cpuid_ecx(0x6);
- if (!(ecx & (1 << 3)))
- return;
-
- /* Energy Policy is bits 3:0 */
- msr = msr_read(MSR_IA32_ENERGY_PERFORMANCE_BIAS);
- msr.lo &= ~0xf;
- msr.lo |= policy & 0xf;
- msr_write(MSR_IA32_ENERGY_PERFORMANCE_BIAS, msr);
-
- debug("cpu: energy policy set to %u\n", policy);
-}
-
-/* All CPUs including BSP will run the following function */
-static void cpu_core_init(struct udevice *dev)
-{
- /* Clear out pending MCEs */
- configure_mca();
-
- /* Enable the local cpu apics */
- enable_lapic_tpr();
-
- /* Configure C States */
- configure_c_states();
-
- /* Configure Enhanced SpeedStep and Thermal Sensors */
- configure_misc();
-
- /* Thermal throttle activation offset */
- configure_thermal_target(dev);
-
- /* Enable Direct Cache Access */
- configure_dca_cap();
-
- /* Set energy policy */
- set_energy_perf_bias(ENERGY_POLICY_NORMAL);
-
- /* Enable Turbo */
- turbo_enable();
-}
-
-/*
- * Configure processor power limits if possible
- * This must be done AFTER set of BIOS_RESET_CPL
- */
-void cpu_set_power_limits(int power_limit_1_time)
-{
- msr_t msr;
- msr_t limit;
- unsigned power_unit;
- unsigned tdp, min_power, max_power, max_time;
- u8 power_limit_1_val;
-
- msr = msr_read(MSR_PLATFORM_INFO);
- if (power_limit_1_time > ARRAY_SIZE(power_limit_time_sec_to_msr))
- power_limit_1_time = 28;
-
- 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 server SKU */
-
- msr_write(MSR_PKG_POWER_LIMIT, limit);
-
- /* Set power limit values in MCHBAR as well */
- writel(limit.lo, MCHBAR_REG(MCH_PKG_POWER_LIMIT_LO));
- writel(limit.hi, MCHBAR_REG(MCH_PKG_POWER_LIMIT_HI));
-
- /* Set DDR RAPL power limit by copying from MMIO to MSR */
- msr.lo = readl(MCHBAR_REG(MCH_DDR_POWER_LIMIT_LO));
- msr.hi = readl(MCHBAR_REG(MCH_DDR_POWER_LIMIT_HI));
- msr_write(MSR_DDR_RAPL_LIMIT, msr);
-
- /* 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 int broadwell_get_info(struct udevice *dev, struct cpu_info *info)
-{
- msr_t msr;
-
- msr = msr_read(IA32_PERF_CTL);
- info->cpu_freq = ((msr.lo >> 8) & 0xff) * BROADWELL_BCLK * 1000000;
- info->features = 1 << CPU_FEAT_L1_CACHE | 1 << CPU_FEAT_MMU |
- 1 << CPU_FEAT_UCODE | 1 << CPU_FEAT_DEVICE_ID;
-
- return 0;
-}
-
-static int broadwell_get_count(struct udevice *dev)
+void board_debug_uart_init(void)
{
- return 4;
-}
+ struct udevice *bus = NULL;
-static int cpu_x86_broadwell_probe(struct udevice *dev)
-{
- if (dev->seq == 0) {
- cpu_core_init(dev);
- return broadwell_init(dev);
- }
+ /* com1 / com2 decode range */
+ pci_x86_write_config(bus, PCH_DEV_LPC, LPC_IO_DEC, 1 << 4, PCI_SIZE_16);
- return 0;
+ pci_x86_write_config(bus, PCH_DEV_LPC, LPC_EN, COMA_LPC_EN,
+ PCI_SIZE_16);
}
-
-static const struct cpu_ops cpu_x86_broadwell_ops = {
- .get_desc = cpu_x86_get_desc,
- .get_info = broadwell_get_info,
- .get_count = broadwell_get_count,
- .get_vendor = cpu_x86_get_vendor,
-};
-
-static const struct udevice_id cpu_x86_broadwell_ids[] = {
- { .compatible = "intel,core-i3-gen5" },
- { }
-};
-
-U_BOOT_DRIVER(cpu_x86_broadwell_drv) = {
- .name = "cpu_x86_broadwell",
- .id = UCLASS_CPU,
- .of_match = cpu_x86_broadwell_ids,
- .bind = cpu_x86_bind,
- .probe = cpu_x86_broadwell_probe,
- .ops = &cpu_x86_broadwell_ops,
- .priv_auto_alloc_size = sizeof(struct cpu_broadwell_priv),
- .flags = DM_FLAG_PRE_RELOC,
-};
diff --git a/arch/x86/cpu/broadwell/cpu_from_spl.c b/arch/x86/cpu/broadwell/cpu_from_spl.c
new file mode 100644
index 0000000000..c3d4a8d547
--- /dev/null
+++ b/arch/x86/cpu/broadwell/cpu_from_spl.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <bloblist.h>
+#include <debug_uart.h>
+#include <handoff.h>
+#include <asm/mtrr.h>
+
+int misc_init_r(void)
+{
+ return 0;
+}
+
+int dram_init(void)
+{
+ struct spl_handoff *ho;
+
+ ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(*ho));
+ if (!ho)
+ return log_msg_ret("Missing SPL hand-off info", -ENOENT);
+ handoff_load_dram_size(ho);
+#ifdef CONFIG_TPL
+ /* TODO(sjg@chromium.org): MTRR cannot be adjusted without a hang */
+ mtrr_add_request(MTRR_TYPE_WRBACK, 0, 2ULL << 30);
+#else
+ mtrr_add_request(MTRR_TYPE_WRBACK, 0, gd->ram_size);
+ mtrr_commit(true);
+#endif
+
+ return 0;
+}
+
+int checkcpu(void)
+{
+ return 0;
+}
+
+int print_cpuinfo(void)
+{
+ return 0;
+}
+
+void board_debug_uart_init(void)
+{
+}
+
+int dram_init_banksize(void)
+{
+#ifdef CONFIG_NR_DRAM_BANKS
+ struct spl_handoff *ho;
+
+ ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(*ho));
+ if (!ho)
+ return log_msg_ret("Missing SPL hand-off info", -ENOENT);
+ handoff_load_dram_banks(ho);
+#endif
+
+ return 0;
+}
diff --git a/arch/x86/cpu/broadwell/cpu_full.c b/arch/x86/cpu/broadwell/cpu_full.c
new file mode 100644
index 0000000000..c1db184549
--- /dev/null
+++ b/arch/x86/cpu/broadwell/cpu_full.c
@@ -0,0 +1,694 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2016 Google, Inc
+ *
+ * Based on code from coreboot src/soc/intel/broadwell/cpu.c
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <cpu.h>
+#include <asm/cpu.h>
+#include <asm/cpu_x86.h>
+#include <asm/cpu_common.h>
+#include <asm/intel_regs.h>
+#include <asm/msr.h>
+#include <asm/post.h>
+#include <asm/turbo.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/pch.h>
+#include <asm/arch/rcb.h>
+
+struct cpu_broadwell_priv {
+ bool ht_disabled;
+};
+
+/* 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,
+};
+
+/*
+ * The core 100MHz BLCK is disabled in deeper c-states. One needs to calibrate
+ * the 100MHz BCLCK against the 24MHz BLCK to restore the clocks properly
+ * when a core is woken up
+ */
+static int pcode_ready(void)
+{
+ int wait_count;
+ const int delay_step = 10;
+
+ wait_count = 0;
+ do {
+ if (!(readl(MCHBAR_REG(BIOS_MAILBOX_INTERFACE)) &
+ MAILBOX_RUN_BUSY))
+ return 0;
+ wait_count += delay_step;
+ udelay(delay_step);
+ } while (wait_count < 1000);
+
+ return -ETIMEDOUT;
+}
+
+static u32 pcode_mailbox_read(u32 command)
+{
+ int ret;
+
+ ret = pcode_ready();
+ if (ret) {
+ debug("PCODE: mailbox timeout on wait ready\n");
+ return ret;
+ }
+
+ /* Send command and start transaction */
+ writel(command | MAILBOX_RUN_BUSY, MCHBAR_REG(BIOS_MAILBOX_INTERFACE));
+
+ ret = pcode_ready();
+ if (ret) {
+ debug("PCODE: mailbox timeout on completion\n");
+ return ret;
+ }
+
+ /* Read mailbox */
+ return readl(MCHBAR_REG(BIOS_MAILBOX_DATA));
+}
+
+static int pcode_mailbox_write(u32 command, u32 data)
+{
+ int ret;
+
+ ret = pcode_ready();
+ if (ret) {
+ debug("PCODE: mailbox timeout on wait ready\n");
+ return ret;
+ }
+
+ writel(data, MCHBAR_REG(BIOS_MAILBOX_DATA));
+
+ /* Send command and start transaction */
+ writel(command | MAILBOX_RUN_BUSY, MCHBAR_REG(BIOS_MAILBOX_INTERFACE));
+
+ ret = pcode_ready();
+ if (ret) {
+ debug("PCODE: mailbox timeout on completion\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+/* @dev is the CPU device */
+static void initialize_vr_config(struct udevice *dev)
+{
+ int ramp, min_vid;
+ msr_t msr;
+
+ debug("Initializing VR config\n");
+
+ /* Configure VR_CURRENT_CONFIG */
+ msr = msr_read(MSR_VR_CURRENT_CONFIG);
+ /*
+ * Preserve bits 63 and 62. Bit 62 is PSI4 enable, but it is only valid
+ * on ULT systems
+ */
+ msr.hi &= 0xc0000000;
+ msr.hi |= (0x01 << (52 - 32)); /* PSI3 threshold - 1A */
+ msr.hi |= (0x05 << (42 - 32)); /* PSI2 threshold - 5A */
+ msr.hi |= (0x14 << (32 - 32)); /* PSI1 threshold - 20A */
+ msr.hi |= (1 << (62 - 32)); /* Enable PSI4 */
+ /* Leave the max instantaneous current limit (12:0) to default */
+ msr_write(MSR_VR_CURRENT_CONFIG, msr);
+
+ /* Configure VR_MISC_CONFIG MSR */
+ msr = msr_read(MSR_VR_MISC_CONFIG);
+ /* Set the IOUT_SLOPE scalar applied to dIout in U10.1.9 format */
+ msr.hi &= ~(0x3ff << (40 - 32));
+ msr.hi |= (0x200 << (40 - 32)); /* 1.0 */
+ /* Set IOUT_OFFSET to 0 */
+ msr.hi &= ~0xff;
+ /* Set entry ramp rate to slow */
+ msr.hi &= ~(1 << (51 - 32));
+ /* Enable decay mode on C-state entry */
+ msr.hi |= (1 << (52 - 32));
+ /* Set the slow ramp rate */
+ msr.hi &= ~(0x3 << (53 - 32));
+ /* Configure the C-state exit ramp rate */
+ ramp = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
+ "intel,slow-ramp", -1);
+ if (ramp != -1) {
+ /* Configured slow ramp rate */
+ msr.hi |= ((ramp & 0x3) << (53 - 32));
+ /* Set exit ramp rate to slow */
+ msr.hi &= ~(1 << (50 - 32));
+ } else {
+ /* Fast ramp rate / 4 */
+ msr.hi |= (0x01 << (53 - 32));
+ /* Set exit ramp rate to fast */
+ msr.hi |= (1 << (50 - 32));
+ }
+ /* Set MIN_VID (31:24) to allow CPU to have full control */
+ msr.lo &= ~0xff000000;
+ min_vid = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
+ "intel,min-vid", 0);
+ msr.lo |= (min_vid & 0xff) << 24;
+ msr_write(MSR_VR_MISC_CONFIG, msr);
+
+ /* Configure VR_MISC_CONFIG2 MSR */
+ msr = msr_read(MSR_VR_MISC_CONFIG2);
+ msr.lo &= ~0xffff;
+ /*
+ * Allow CPU to control minimum voltage completely (15:8) and
+ * set the fast ramp voltage in 10mV steps
+ */
+ if (cpu_get_family_model() == BROADWELL_FAMILY_ULT)
+ msr.lo |= 0x006a; /* 1.56V */
+ else
+ msr.lo |= 0x006f; /* 1.60V */
+ msr_write(MSR_VR_MISC_CONFIG2, msr);
+
+ /* Set C9/C10 VCC Min */
+ pcode_mailbox_write(MAILBOX_BIOS_CMD_WRITE_C9C10_VOLTAGE, 0x1f1f);
+}
+
+static int calibrate_24mhz_bclk(void)
+{
+ int err_code;
+ int ret;
+
+ ret = pcode_ready();
+ if (ret)
+ return ret;
+
+ /* A non-zero value initiates the PCODE calibration */
+ writel(~0, MCHBAR_REG(BIOS_MAILBOX_DATA));
+ writel(MAILBOX_RUN_BUSY | MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL,
+ MCHBAR_REG(BIOS_MAILBOX_INTERFACE));
+
+ ret = pcode_ready();
+ if (ret)
+ return ret;
+
+ err_code = readl(MCHBAR_REG(BIOS_MAILBOX_INTERFACE)) & 0xff;
+
+ debug("PCODE: 24MHz BLCK calibration response: %d\n", err_code);
+
+ /* Read the calibrated value */
+ writel(MAILBOX_RUN_BUSY | MAILBOX_BIOS_CMD_READ_CALIBRATION,
+ MCHBAR_REG(BIOS_MAILBOX_INTERFACE));
+
+ ret = pcode_ready();
+ if (ret)
+ return ret;
+
+ debug("PCODE: 24MHz BLCK calibration value: 0x%08x\n",
+ readl(MCHBAR_REG(BIOS_MAILBOX_DATA)));
+
+ return 0;
+}
+
+static void configure_pch_power_sharing(void)
+{
+ u32 pch_power, pch_power_ext, pmsync, pmsync2;
+ int i;
+
+ /* Read PCH Power levels from PCODE */
+ pch_power = pcode_mailbox_read(MAILBOX_BIOS_CMD_READ_PCH_POWER);
+ pch_power_ext = pcode_mailbox_read(MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT);
+
+ debug("PCH Power: PCODE Levels 0x%08x 0x%08x\n", pch_power,
+ pch_power_ext);
+
+ pmsync = readl(RCB_REG(PMSYNC_CONFIG));
+ pmsync2 = readl(RCB_REG(PMSYNC_CONFIG2));
+
+ /*
+ * Program PMSYNC_TPR_CONFIG PCH power limit values
+ * pmsync[0:4] = mailbox[0:5]
+ * pmsync[8:12] = mailbox[6:11]
+ * pmsync[16:20] = mailbox[12:17]
+ */
+ for (i = 0; i < 3; i++) {
+ u32 level = pch_power & 0x3f;
+
+ pch_power >>= 6;
+ pmsync &= ~(0x1f << (i * 8));
+ pmsync |= (level & 0x1f) << (i * 8);
+ }
+ writel(pmsync, RCB_REG(PMSYNC_CONFIG));
+
+ /*
+ * Program PMSYNC_TPR_CONFIG2 Extended PCH power limit values
+ * pmsync2[0:4] = mailbox[23:18]
+ * pmsync2[8:12] = mailbox_ext[6:11]
+ * pmsync2[16:20] = mailbox_ext[12:17]
+ * pmsync2[24:28] = mailbox_ext[18:22]
+ */
+ pmsync2 &= ~0x1f;
+ pmsync2 |= pch_power & 0x1f;
+
+ for (i = 1; i < 4; i++) {
+ u32 level = pch_power_ext & 0x3f;
+
+ pch_power_ext >>= 6;
+ pmsync2 &= ~(0x1f << (i * 8));
+ pmsync2 |= (level & 0x1f) << (i * 8);
+ }
+ writel(pmsync2, RCB_REG(PMSYNC_CONFIG2));
+}
+
+static int bsp_init_before_ap_bringup(struct udevice *dev)
+{
+ int ret;
+
+ initialize_vr_config(dev);
+ ret = calibrate_24mhz_bclk();
+ if (ret)
+ return ret;
+ configure_pch_power_sharing();
+
+ return 0;
+}
+
+static int cpu_config_tdp_levels(void)
+{
+ msr_t platform_info;
+
+ /* Bits 34:33 indicate how many levels supported */
+ platform_info = msr_read(MSR_PLATFORM_INFO);
+ return (platform_info.hi >> 1) & 3;
+}
+
+static void set_max_ratio(void)
+{
+ msr_t msr, perf_ctl;
+
+ perf_ctl.hi = 0;
+
+ /* Check for configurable TDP option */
+ if (turbo_get_state() == TURBO_ENABLED) {
+ msr = msr_read(MSR_NHM_TURBO_RATIO_LIMIT);
+ perf_ctl.lo = (msr.lo & 0xff) << 8;
+ } else 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("cpu: frequency set to %d\n",
+ ((perf_ctl.lo >> 8) & 0xff) * CPU_BCLK);
+}
+
+int broadwell_init(struct udevice *dev)
+{
+ struct cpu_broadwell_priv *priv = dev_get_priv(dev);
+ int num_threads;
+ int num_cores;
+ msr_t msr;
+ int ret;
+
+ msr = msr_read(CORE_THREAD_COUNT_MSR);
+ num_threads = (msr.lo >> 0) & 0xffff;
+ num_cores = (msr.lo >> 16) & 0xffff;
+ debug("CPU has %u cores, %u threads enabled\n", num_cores,
+ num_threads);
+
+ priv->ht_disabled = num_threads == num_cores;
+
+ ret = bsp_init_before_ap_bringup(dev);
+ if (ret)
+ return ret;
+
+ set_max_ratio();
+
+ return ret;
+}
+
+static void configure_mca(void)
+{
+ msr_t msr;
+ const unsigned int mcg_cap_msr = 0x179;
+ int i;
+ int num_banks;
+
+ msr = msr_read(mcg_cap_msr);
+ num_banks = msr.lo & 0xff;
+ msr.lo = 0;
+ msr.hi = 0;
+ /*
+ * TODO(adurbin): This should only be done on a cold boot. Also, some
+ * of these banks are core vs package scope. For now every CPU clears
+ * every bank
+ */
+ for (i = 0; i < num_banks; i++)
+ msr_write(MSR_IA32_MC0_STATUS + (i * 4), 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_c_states(void)
+{
+ msr_t msr;
+
+ msr = msr_read(MSR_PMG_CST_CONFIG_CONTROL);
+ msr.lo |= (1 << 31); /* Timed MWAIT Enable */
+ msr.lo |= (1 << 30); /* Package c-state Undemotion Enable */
+ msr.lo |= (1 << 29); /* Package c-state Demotion Enable */
+ 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 */
+ /* The deepest package c-state defaults to factory-configured value */
+ msr_write(MSR_PMG_CST_CONFIG_CONTROL, 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);
+
+ /* C-state Interrupt Response Latency Control 0 - package C3 latency */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_0_LIMIT;
+ msr_write(MSR_C_STATE_LATENCY_CONTROL_0, msr);
+
+ /* C-state Interrupt Response Latency Control 1 */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_1_LIMIT;
+ msr_write(MSR_C_STATE_LATENCY_CONTROL_1, msr);
+
+ /* C-state Interrupt Response Latency Control 2 - package C6/C7 short */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_2_LIMIT;
+ msr_write(MSR_C_STATE_LATENCY_CONTROL_2, msr);
+
+ /* C-state Interrupt Response Latency Control 3 - package C8 */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_3_LIMIT;
+ msr_write(MSR_C_STATE_LATENCY_CONTROL_3, msr);
+
+ /* C-state Interrupt Response Latency Control 4 - package C9 */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_4_LIMIT;
+ msr_write(MSR_C_STATE_LATENCY_CONTROL_4, msr);
+
+ /* C-state Interrupt Response Latency Control 5 - package C10 */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_5_LIMIT;
+ msr_write(MSR_C_STATE_LATENCY_CONTROL_5, msr);
+}
+
+static void configure_misc(void)
+{
+ msr_t msr;
+
+ msr = msr_read(MSR_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(MSR_IA32_MISC_ENABLE, msr);
+
+ /* Disable thermal interrupts */
+ msr.lo = 0;
+ msr.hi = 0;
+ msr_write(MSR_IA32_THERM_INTERRUPT, msr);
+
+ /* Enable package critical interrupt only */
+ msr.lo = 1 << 4;
+ msr.hi = 0;
+ msr_write(MSR_IA32_PACKAGE_THERM_INTERRUPT, msr);
+}
+
+static void configure_thermal_target(struct udevice *dev)
+{
+ int tcc_offset;
+ msr_t msr;
+
+ tcc_offset = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
+ "intel,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);
+ }
+}
+
+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(MSR_IA32_PLATFORM_DCA_CAP);
+ msr.lo |= 1;
+ msr_write(MSR_IA32_PLATFORM_DCA_CAP, msr);
+ }
+}
+
+static void set_energy_perf_bias(u8 policy)
+{
+ msr_t msr;
+ int ecx;
+
+ /* Determine if energy efficient policy is supported */
+ ecx = cpuid_ecx(0x6);
+ if (!(ecx & (1 << 3)))
+ return;
+
+ /* Energy Policy is bits 3:0 */
+ msr = msr_read(MSR_IA32_ENERGY_PERFORMANCE_BIAS);
+ msr.lo &= ~0xf;
+ msr.lo |= policy & 0xf;
+ msr_write(MSR_IA32_ENERGY_PERFORMANCE_BIAS, msr);
+
+ debug("cpu: energy policy set to %u\n", policy);
+}
+
+/* All CPUs including BSP will run the following function */
+static void cpu_core_init(struct udevice *dev)
+{
+ /* Clear out pending MCEs */
+ configure_mca();
+
+ /* Enable the local cpu apics */
+ enable_lapic_tpr();
+
+ /* Configure C States */
+ configure_c_states();
+
+ /* Configure Enhanced SpeedStep and Thermal Sensors */
+ configure_misc();
+
+ /* Thermal throttle activation offset */
+ configure_thermal_target(dev);
+
+ /* Enable Direct Cache Access */
+ configure_dca_cap();
+
+ /* Set energy policy */
+ set_energy_perf_bias(ENERGY_POLICY_NORMAL);
+
+ /* Enable Turbo */
+ turbo_enable();
+}
+
+/*
+ * Configure processor power limits if possible
+ * This must be done AFTER set of BIOS_RESET_CPL
+ */
+void cpu_set_power_limits(int power_limit_1_time)
+{
+ msr_t msr;
+ msr_t limit;
+ uint power_unit;
+ uint tdp, min_power, max_power, max_time;
+ u8 power_limit_1_val;
+
+ msr = msr_read(MSR_PLATFORM_INFO);
+ if (power_limit_1_time > ARRAY_SIZE(power_limit_time_sec_to_msr))
+ power_limit_1_time = 28;
+
+ 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 server SKU */
+
+ msr_write(MSR_PKG_POWER_LIMIT, limit);
+
+ /* Set power limit values in MCHBAR as well */
+ writel(limit.lo, MCHBAR_REG(MCH_PKG_POWER_LIMIT_LO));
+ writel(limit.hi, MCHBAR_REG(MCH_PKG_POWER_LIMIT_HI));
+
+ /* Set DDR RAPL power limit by copying from MMIO to MSR */
+ msr.lo = readl(MCHBAR_REG(MCH_DDR_POWER_LIMIT_LO));
+ msr.hi = readl(MCHBAR_REG(MCH_DDR_POWER_LIMIT_HI));
+ msr_write(MSR_DDR_RAPL_LIMIT, msr);
+
+ /* 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 int broadwell_get_info(struct udevice *dev, struct cpu_info *info)
+{
+ msr_t msr;
+
+ msr = msr_read(IA32_PERF_CTL);
+ info->cpu_freq = ((msr.lo >> 8) & 0xff) * BROADWELL_BCLK * 1000000;
+ info->features = 1 << CPU_FEAT_L1_CACHE | 1 << CPU_FEAT_MMU |
+ 1 << CPU_FEAT_UCODE | 1 << CPU_FEAT_DEVICE_ID;
+
+ return 0;
+}
+
+static int broadwell_get_count(struct udevice *dev)
+{
+ return 4;
+}
+
+static int cpu_x86_broadwell_probe(struct udevice *dev)
+{
+ if (dev->seq == 0) {
+ cpu_core_init(dev);
+ return broadwell_init(dev);
+ }
+
+ return 0;
+}
+
+static const struct cpu_ops cpu_x86_broadwell_ops = {
+ .get_desc = cpu_x86_get_desc,
+ .get_info = broadwell_get_info,
+ .get_count = broadwell_get_count,
+ .get_vendor = cpu_x86_get_vendor,
+};
+
+static const struct udevice_id cpu_x86_broadwell_ids[] = {
+ { .compatible = "intel,core-i3-gen5" },
+ { }
+};
+
+U_BOOT_DRIVER(cpu_x86_broadwell_drv) = {
+ .name = "cpu_x86_broadwell",
+ .id = UCLASS_CPU,
+ .of_match = cpu_x86_broadwell_ids,
+ .bind = cpu_x86_bind,
+ .probe = cpu_x86_broadwell_probe,
+ .ops = &cpu_x86_broadwell_ops,
+ .priv_auto_alloc_size = sizeof(struct cpu_broadwell_priv),
+ .flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/arch/x86/cpu/broadwell/northbridge.c b/arch/x86/cpu/broadwell/northbridge.c
index 3055880bb7..4bcab78556 100644
--- a/arch/x86/cpu/broadwell/northbridge.c
+++ b/arch/x86/cpu/broadwell/northbridge.c
@@ -6,8 +6,108 @@
#include <common.h>
#include <dm.h>
#include <asm/io.h>
+#include <asm/mrc_common.h>
#include <asm/arch/iomap.h>
#include <asm/arch/pch.h>
+#include <asm/arch/pei_data.h>
+
+__weak asmlinkage void sdram_console_tx_byte(unsigned char byte)
+{
+#ifdef DEBUG
+ putc(byte);
+#endif
+}
+
+void broadwell_fill_pei_data(struct pei_data *pei_data)
+{
+ pei_data->pei_version = PEI_VERSION;
+ pei_data->board_type = BOARD_TYPE_ULT;
+ pei_data->pciexbar = MCFG_BASE_ADDRESS;
+ pei_data->smbusbar = SMBUS_BASE_ADDRESS;
+ pei_data->ehcibar = EARLY_EHCI_BAR;
+ pei_data->xhcibar = EARLY_XHCI_BAR;
+ pei_data->gttbar = EARLY_GTT_BAR;
+ pei_data->pmbase = ACPI_BASE_ADDRESS;
+ pei_data->gpiobase = GPIO_BASE_ADDRESS;
+ pei_data->tseg_size = CONFIG_SMM_TSEG_SIZE;
+ pei_data->temp_mmio_base = EARLY_TEMP_MMIO;
+ pei_data->tx_byte = sdram_console_tx_byte;
+ pei_data->ddr_refresh_2x = 1;
+}
+
+static void pei_data_usb2_port(struct pei_data *pei_data, int port, uint length,
+ uint enable, uint oc_pin, uint location)
+{
+ pei_data->usb2_ports[port].length = length;
+ pei_data->usb2_ports[port].enable = enable;
+ pei_data->usb2_ports[port].oc_pin = oc_pin;
+ pei_data->usb2_ports[port].location = location;
+}
+
+static void pei_data_usb3_port(struct pei_data *pei_data, int port, uint enable,
+ uint oc_pin, uint fixed_eq)
+{
+ pei_data->usb3_ports[port].enable = enable;
+ pei_data->usb3_ports[port].oc_pin = oc_pin;
+ pei_data->usb3_ports[port].fixed_eq = fixed_eq;
+}
+
+void mainboard_fill_pei_data(struct pei_data *pei_data)
+{
+ /* DQ byte map for Samus board */
+ const u8 dq_map[2][6][2] = {
+ { { 0x0F, 0xF0 }, { 0x00, 0xF0 }, { 0x0F, 0xF0 },
+ { 0x0F, 0x00 }, { 0xFF, 0x00 }, { 0xFF, 0x00 } },
+ { { 0x0F, 0xF0 }, { 0x00, 0xF0 }, { 0x0F, 0xF0 },
+ { 0x0F, 0x00 }, { 0xFF, 0x00 }, { 0xFF, 0x00 } } };
+ /* DQS CPU<>DRAM map for Samus board */
+ const u8 dqs_map[2][8] = {
+ { 2, 0, 1, 3, 6, 4, 7, 5 },
+ { 2, 1, 0, 3, 6, 5, 4, 7 } };
+
+ pei_data->ec_present = 1;
+
+ /* One installed DIMM per channel */
+ pei_data->dimm_channel0_disabled = 2;
+ pei_data->dimm_channel1_disabled = 2;
+
+ memcpy(pei_data->dq_map, dq_map, sizeof(dq_map));
+ memcpy(pei_data->dqs_map, dqs_map, sizeof(dqs_map));
+
+ /* P0: HOST PORT */
+ pei_data_usb2_port(pei_data, 0, 0x0080, 1, 0,
+ USB_PORT_BACK_PANEL);
+ /* P1: HOST PORT */
+ pei_data_usb2_port(pei_data, 1, 0x0080, 1, 1,
+ USB_PORT_BACK_PANEL);
+ /* P2: RAIDEN */
+ pei_data_usb2_port(pei_data, 2, 0x0080, 1, USB_OC_PIN_SKIP,
+ USB_PORT_BACK_PANEL);
+ /* P3: SD CARD */
+ pei_data_usb2_port(pei_data, 3, 0x0040, 1, USB_OC_PIN_SKIP,
+ USB_PORT_INTERNAL);
+ /* P4: RAIDEN */
+ pei_data_usb2_port(pei_data, 4, 0x0080, 1, USB_OC_PIN_SKIP,
+ USB_PORT_BACK_PANEL);
+ /* P5: WWAN (Disabled) */
+ pei_data_usb2_port(pei_data, 5, 0x0000, 0, USB_OC_PIN_SKIP,
+ USB_PORT_SKIP);
+ /* P6: CAMERA */
+ pei_data_usb2_port(pei_data, 6, 0x0040, 1, USB_OC_PIN_SKIP,
+ USB_PORT_INTERNAL);
+ /* P7: BT */
+ pei_data_usb2_port(pei_data, 7, 0x0040, 1, USB_OC_PIN_SKIP,
+ USB_PORT_INTERNAL);
+
+ /* P1: HOST PORT */
+ pei_data_usb3_port(pei_data, 0, 1, 0, 0);
+ /* P2: HOST PORT */
+ pei_data_usb3_port(pei_data, 1, 1, 1, 0);
+ /* P3: RAIDEN */
+ pei_data_usb3_port(pei_data, 2, 1, USB_OC_PIN_SKIP, 0);
+ /* P4: RAIDEN */
+ pei_data_usb3_port(pei_data, 3, 1, USB_OC_PIN_SKIP, 0);
+}
static int broadwell_northbridge_early_init(struct udevice *dev)
{
diff --git a/arch/x86/cpu/broadwell/pch.c b/arch/x86/cpu/broadwell/pch.c
index 73d3d3b515..a48945adf1 100644
--- a/arch/x86/cpu/broadwell/pch.c
+++ b/arch/x86/cpu/broadwell/pch.c
@@ -599,10 +599,16 @@ static int broadwell_pch_init(struct udevice *dev)
static int broadwell_pch_probe(struct udevice *dev)
{
- if (!(gd->flags & GD_FLG_RELOC))
- return broadwell_pch_early_init(dev);
- else
+ if (CONFIG_IS_ENABLED(X86_32BIT_INIT)) {
+ if (!(gd->flags & GD_FLG_RELOC))
+ return broadwell_pch_early_init(dev);
+ else
+ return broadwell_pch_init(dev);
+ } else if (IS_ENABLED(CONFIG_SPL) && !IS_ENABLED(CONFIG_SPL_BUILD)) {
return broadwell_pch_init(dev);
+ } else {
+ return 0;
+ }
}
static int broadwell_pch_get_spi_base(struct udevice *dev, ulong *sbasep)
@@ -630,10 +636,35 @@ static int broadwell_get_gpio_base(struct udevice *dev, u32 *gbasep)
return 0;
}
+static int broadwell_ioctl(struct udevice *dev, enum pch_req_t req, void *data,
+ int size)
+{
+ switch (req) {
+ case PCH_REQ_PMBASE_INFO: {
+ struct pch_pmbase_info *pm = data;
+ int ret;
+
+ /* Find the base address of the powermanagement registers */
+ ret = dm_pci_read_config16(dev, 0x40, &pm->base);
+ if (ret)
+ return ret;
+ pm->base &= 0xfffe;
+ pm->gpio0_en_ofs = GPE0_EN(0);
+ pm->pm1_sts_ofs = PM1_STS;
+ pm->pm1_cnt_ofs = PM1_CNT;
+
+ return 0;
+ }
+ default:
+ return -ENOSYS;
+ }
+}
+
static const struct pch_ops broadwell_pch_ops = {
.get_spi_base = broadwell_pch_get_spi_base,
.set_spi_protect = broadwell_set_spi_protect,
.get_gpio_base = broadwell_get_gpio_base,
+ .ioctl = broadwell_ioctl,
};
static const struct udevice_id broadwell_pch_ids[] = {
diff --git a/arch/x86/cpu/broadwell/sdram.c b/arch/x86/cpu/broadwell/sdram.c
index 03a35bcf73..b31d78c092 100644
--- a/arch/x86/cpu/broadwell/sdram.c
+++ b/arch/x86/cpu/broadwell/sdram.c
@@ -34,99 +34,6 @@ int dram_init_banksize(void)
return 0;
}
-void broadwell_fill_pei_data(struct pei_data *pei_data)
-{
- pei_data->pei_version = PEI_VERSION;
- pei_data->board_type = BOARD_TYPE_ULT;
- pei_data->pciexbar = MCFG_BASE_ADDRESS;
- pei_data->smbusbar = SMBUS_BASE_ADDRESS;
- pei_data->ehcibar = EARLY_EHCI_BAR;
- pei_data->xhcibar = EARLY_XHCI_BAR;
- pei_data->gttbar = EARLY_GTT_BAR;
- pei_data->pmbase = ACPI_BASE_ADDRESS;
- pei_data->gpiobase = GPIO_BASE_ADDRESS;
- pei_data->tseg_size = CONFIG_SMM_TSEG_SIZE;
- pei_data->temp_mmio_base = EARLY_TEMP_MMIO;
- pei_data->tx_byte = sdram_console_tx_byte;
- pei_data->ddr_refresh_2x = 1;
-}
-
-static inline void pei_data_usb2_port(struct pei_data *pei_data, int port,
- uint16_t length, uint8_t enable,
- uint8_t oc_pin, uint8_t location)
-{
- pei_data->usb2_ports[port].length = length;
- pei_data->usb2_ports[port].enable = enable;
- pei_data->usb2_ports[port].oc_pin = oc_pin;
- pei_data->usb2_ports[port].location = location;
-}
-
-static inline void pei_data_usb3_port(struct pei_data *pei_data, int port,
- uint8_t enable, uint8_t oc_pin,
- uint8_t fixed_eq)
-{
- pei_data->usb3_ports[port].enable = enable;
- pei_data->usb3_ports[port].oc_pin = oc_pin;
- pei_data->usb3_ports[port].fixed_eq = fixed_eq;
-}
-
-void mainboard_fill_pei_data(struct pei_data *pei_data)
-{
- /* DQ byte map for Samus board */
- const u8 dq_map[2][6][2] = {
- { { 0x0F, 0xF0 }, { 0x00, 0xF0 }, { 0x0F, 0xF0 },
- { 0x0F, 0x00 }, { 0xFF, 0x00 }, { 0xFF, 0x00 } },
- { { 0x0F, 0xF0 }, { 0x00, 0xF0 }, { 0x0F, 0xF0 },
- { 0x0F, 0x00 }, { 0xFF, 0x00 }, { 0xFF, 0x00 } } };
- /* DQS CPU<>DRAM map for Samus board */
- const u8 dqs_map[2][8] = {
- { 2, 0, 1, 3, 6, 4, 7, 5 },
- { 2, 1, 0, 3, 6, 5, 4, 7 } };
-
- pei_data->ec_present = 1;
-
- /* One installed DIMM per channel */
- pei_data->dimm_channel0_disabled = 2;
- pei_data->dimm_channel1_disabled = 2;
-
- memcpy(pei_data->dq_map, dq_map, sizeof(dq_map));
- memcpy(pei_data->dqs_map, dqs_map, sizeof(dqs_map));
-
- /* P0: HOST PORT */
- pei_data_usb2_port(pei_data, 0, 0x0080, 1, 0,
- USB_PORT_BACK_PANEL);
- /* P1: HOST PORT */
- pei_data_usb2_port(pei_data, 1, 0x0080, 1, 1,
- USB_PORT_BACK_PANEL);
- /* P2: RAIDEN */
- pei_data_usb2_port(pei_data, 2, 0x0080, 1, USB_OC_PIN_SKIP,
- USB_PORT_BACK_PANEL);
- /* P3: SD CARD */
- pei_data_usb2_port(pei_data, 3, 0x0040, 1, USB_OC_PIN_SKIP,
- USB_PORT_INTERNAL);
- /* P4: RAIDEN */
- pei_data_usb2_port(pei_data, 4, 0x0080, 1, USB_OC_PIN_SKIP,
- USB_PORT_BACK_PANEL);
- /* P5: WWAN (Disabled) */
- pei_data_usb2_port(pei_data, 5, 0x0000, 0, USB_OC_PIN_SKIP,
- USB_PORT_SKIP);
- /* P6: CAMERA */
- pei_data_usb2_port(pei_data, 6, 0x0040, 1, USB_OC_PIN_SKIP,
- USB_PORT_INTERNAL);
- /* P7: BT */
- pei_data_usb2_port(pei_data, 7, 0x0040, 1, USB_OC_PIN_SKIP,
- USB_PORT_INTERNAL);
-
- /* P1: HOST PORT */
- pei_data_usb3_port(pei_data, 0, 1, 0, 0);
- /* P2: HOST PORT */
- pei_data_usb3_port(pei_data, 1, 1, 1, 0);
- /* P3: RAIDEN */
- pei_data_usb3_port(pei_data, 2, 1, USB_OC_PIN_SKIP, 0);
- /* P4: RAIDEN */
- pei_data_usb3_port(pei_data, 3, 1, USB_OC_PIN_SKIP, 0);
-}
-
static unsigned long get_top_of_ram(struct udevice *dev)
{
/*
@@ -204,16 +111,18 @@ int dram_init(void)
/* Print ME state before MRC */
ret = syscon_get_by_driver_data(X86_SYSCON_ME, &me_dev);
- if (ret)
+ if (ret) {
+ debug("Cannot get ME (err=%d)\n", ret);
return ret;
+ }
intel_me_status(me_dev);
/* Save ME HSIO version */
- ret = uclass_first_device(UCLASS_PCH, &pch_dev);
- if (ret)
+ ret = uclass_first_device_err(UCLASS_PCH, &pch_dev);
+ if (ret) {
+ debug("Cannot get PCH (err=%d)\n", ret);
return ret;
- if (!pch_dev)
- return -ENODEV;
+ }
power_state_get(pch_dev, &ps);
intel_me_hsio_version(me_dev, &ps.hsio_version, &ps.hsio_checksum);
@@ -221,15 +130,17 @@ int dram_init(void)
broadwell_fill_pei_data(pei_data);
mainboard_fill_pei_data(pei_data);
- ret = uclass_first_device(UCLASS_NORTHBRIDGE, &dev);
- if (ret)
+ ret = uclass_first_device_err(UCLASS_NORTHBRIDGE, &dev);
+ if (ret) {
+ debug("Cannot get Northbridge (err=%d)\n", ret);
return ret;
- if (!dev)
- return -ENODEV;
+ }
size = 256;
ret = mrc_locate_spd(dev, size, &spd_data);
- if (ret)
+ if (ret) {
+ debug("Cannot locate SPD (err=%d)\n", ret);
return ret;
+ }
memcpy(pei_data->spd_data[0][0], spd_data, size);
memcpy(pei_data->spd_data[1][0], spd_data, size);
@@ -239,13 +150,17 @@ int dram_init(void)
debug("PEI version %#x\n", pei_data->pei_version);
ret = mrc_common_init(dev, pei_data, true);
- if (ret)
+ if (ret) {
+ debug("mrc_common_init() failed(err=%d)\n", ret);
return ret;
+ }
debug("Memory init done\n");
ret = sdram_find(dev);
- if (ret)
+ if (ret) {
+ debug("sdram_find() failed (err=%d)\n", ret);
return ret;
+ }
gd->ram_size = gd->arch.meminfo.total_32bit_memory;
debug("RAM size %llx\n", (unsigned long long)gd->ram_size);
@@ -279,17 +194,6 @@ int misc_init_r(void)
return 0;
}
-void board_debug_uart_init(void)
-{
- struct udevice *bus = NULL;
-
- /* com1 / com2 decode range */
- pci_x86_write_config(bus, PCH_DEV_LPC, LPC_IO_DEC, 1 << 4, PCI_SIZE_16);
-
- pci_x86_write_config(bus, PCH_DEV_LPC, LPC_EN, COMA_LPC_EN,
- PCI_SIZE_16);
-}
-
static const struct udevice_id broadwell_syscon_ids[] = {
{ .compatible = "intel,me", .data = X86_SYSCON_ME },
{ }
diff --git a/arch/x86/cpu/i386/cpu.c b/arch/x86/cpu/i386/cpu.c
index 3bde44ebf5..90b546e741 100644
--- a/arch/x86/cpu/i386/cpu.c
+++ b/arch/x86/cpu/i386/cpu.c
@@ -309,21 +309,22 @@ u32 cpu_get_stepping(void)
return gd->arch.x86_mask;
}
-int x86_cpu_init_f(void)
+/* initialise FPU, reset EM, set MP and NE */
+static void setup_cpu_features(void)
{
const u32 em_rst = ~X86_CR0_EM;
const u32 mp_ne_set = X86_CR0_MP | X86_CR0_NE;
- if (ll_boot_init()) {
- /* initialize FPU, reset EM, set MP and NE */
- asm ("fninit\n" \
- "movl %%cr0, %%eax\n" \
- "andl %0, %%eax\n" \
- "orl %1, %%eax\n" \
- "movl %%eax, %%cr0\n" \
- : : "i" (em_rst), "i" (mp_ne_set) : "eax");
- }
+ asm ("fninit\n" \
+ "movl %%cr0, %%eax\n" \
+ "andl %0, %%eax\n" \
+ "orl %1, %%eax\n" \
+ "movl %%eax, %%cr0\n" \
+ : : "i" (em_rst), "i" (mp_ne_set) : "eax");
+}
+static void setup_identity(void)
+{
/* identify CPU via cpuid and store the decoded info into gd->arch */
if (has_cpuid()) {
struct cpu_device_id cpu;
@@ -339,46 +340,70 @@ int x86_cpu_init_f(void)
gd->arch.has_mtrr = has_mtrr();
}
- /* Don't allow PCI region 3 to use memory in the 2-4GB memory hole */
+}
+
+/* Don't allow PCI region 3 to use memory in the 2-4GB memory hole */
+static void setup_pci_ram_top(void)
+{
gd->pci_ram_top = 0x80000000U;
+}
+
+static void setup_mtrr(void)
+{
+ u64 mtrr_cap;
/* Configure fixed range MTRRs for some legacy regions */
- if (gd->arch.has_mtrr) {
- u64 mtrr_cap;
-
- mtrr_cap = native_read_msr(MTRR_CAP_MSR);
- if (mtrr_cap & MTRR_CAP_FIX) {
- /* Mark the VGA RAM area as uncacheable */
- native_write_msr(MTRR_FIX_16K_A0000_MSR,
- MTRR_FIX_TYPE(MTRR_TYPE_UNCACHEABLE),
- MTRR_FIX_TYPE(MTRR_TYPE_UNCACHEABLE));
-
- /*
- * Mark the PCI ROM area as cacheable to improve ROM
- * execution performance.
- */
- native_write_msr(MTRR_FIX_4K_C0000_MSR,
- MTRR_FIX_TYPE(MTRR_TYPE_WRBACK),
- MTRR_FIX_TYPE(MTRR_TYPE_WRBACK));
- native_write_msr(MTRR_FIX_4K_C8000_MSR,
- MTRR_FIX_TYPE(MTRR_TYPE_WRBACK),
- MTRR_FIX_TYPE(MTRR_TYPE_WRBACK));
- native_write_msr(MTRR_FIX_4K_D0000_MSR,
- MTRR_FIX_TYPE(MTRR_TYPE_WRBACK),
- MTRR_FIX_TYPE(MTRR_TYPE_WRBACK));
- native_write_msr(MTRR_FIX_4K_D8000_MSR,
- MTRR_FIX_TYPE(MTRR_TYPE_WRBACK),
- MTRR_FIX_TYPE(MTRR_TYPE_WRBACK));
-
- /* Enable the fixed range MTRRs */
- msr_setbits_64(MTRR_DEF_TYPE_MSR, MTRR_DEF_TYPE_FIX_EN);
- }
+ if (!gd->arch.has_mtrr)
+ return;
+
+ mtrr_cap = native_read_msr(MTRR_CAP_MSR);
+ if (mtrr_cap & MTRR_CAP_FIX) {
+ /* Mark the VGA RAM area as uncacheable */
+ native_write_msr(MTRR_FIX_16K_A0000_MSR,
+ MTRR_FIX_TYPE(MTRR_TYPE_UNCACHEABLE),
+ MTRR_FIX_TYPE(MTRR_TYPE_UNCACHEABLE));
+
+ /*
+ * Mark the PCI ROM area as cacheable to improve ROM
+ * execution performance.
+ */
+ native_write_msr(MTRR_FIX_4K_C0000_MSR,
+ MTRR_FIX_TYPE(MTRR_TYPE_WRBACK),
+ MTRR_FIX_TYPE(MTRR_TYPE_WRBACK));
+ native_write_msr(MTRR_FIX_4K_C8000_MSR,
+ MTRR_FIX_TYPE(MTRR_TYPE_WRBACK),
+ MTRR_FIX_TYPE(MTRR_TYPE_WRBACK));
+ native_write_msr(MTRR_FIX_4K_D0000_MSR,
+ MTRR_FIX_TYPE(MTRR_TYPE_WRBACK),
+ MTRR_FIX_TYPE(MTRR_TYPE_WRBACK));
+ native_write_msr(MTRR_FIX_4K_D8000_MSR,
+ MTRR_FIX_TYPE(MTRR_TYPE_WRBACK),
+ MTRR_FIX_TYPE(MTRR_TYPE_WRBACK));
+
+ /* Enable the fixed range MTRRs */
+ msr_setbits_64(MTRR_DEF_TYPE_MSR, MTRR_DEF_TYPE_FIX_EN);
}
+}
+
+int x86_cpu_init_f(void)
+{
+ if (ll_boot_init())
+ setup_cpu_features();
+ setup_identity();
+ setup_mtrr();
+ setup_pci_ram_top();
-#ifdef CONFIG_I8254_TIMER
/* Set up the i8254 timer if required */
- i8254_init();
-#endif
+ if (IS_ENABLED(CONFIG_I8254_TIMER))
+ i8254_init();
+
+ return 0;
+}
+
+int x86_cpu_reinit_f(void)
+{
+ setup_identity();
+ setup_pci_ram_top();
return 0;
}
diff --git a/arch/x86/cpu/intel_common/Makefile b/arch/x86/cpu/intel_common/Makefile
index bf798c287f..07f27c29ec 100644
--- a/arch/x86/cpu/intel_common/Makefile
+++ b/arch/x86/cpu/intel_common/Makefile
@@ -3,14 +3,23 @@
# Copyright (c) 2016 Google, Inc
ifdef CONFIG_HAVE_MRC
-obj-$(CONFIG_$(SPL_)X86_32BIT_INIT) += car.o
-obj-$(CONFIG_$(SPL_)X86_32BIT_INIT) += me_status.o
-obj-$(CONFIG_$(SPL_)X86_32BIT_INIT) += report_platform.o
-obj-$(CONFIG_$(SPL_)X86_32BIT_INIT) += mrc.o
+obj-$(CONFIG_$(SPL_TPL_)X86_16BIT_INIT) += car.o
+obj-$(CONFIG_$(SPL_TPL_)X86_32BIT_INIT) += me_status.o
+obj-$(CONFIG_$(SPL_TPL_)X86_32BIT_INIT) += report_platform.o
+obj-$(CONFIG_$(SPL_TPL_)X86_32BIT_INIT) += mrc.o
endif
obj-y += cpu.o
obj-y += lpc.o
ifndef CONFIG_TARGET_EFI_APP
+obj-$(CONFIG_$(SPL_TPL_)X86_32BIT_INIT) += microcode.o
+ifndef CONFIG_$(SPL_)X86_64
obj-y += microcode.o
endif
+endif
obj-y += pch.o
+
+ifdef CONFIG_SPL
+ifndef CONFIG_SPL_BUILD
+obj-y += cpu_from_spl.o
+endif
+endif
diff --git a/arch/x86/cpu/intel_common/car.S b/arch/x86/cpu/intel_common/car.S
index 52a77bb2d1..00308dbdef 100644
--- a/arch/x86/cpu/intel_common/car.S
+++ b/arch/x86/cpu/intel_common/car.S
@@ -235,7 +235,7 @@ mtrr_table_end:
.align 4
_dt_ucode_base_size:
- /* These next two fields are filled in by ifdtool */
+ /* These next two fields are filled in by binman */
.globl ucode_base
ucode_base: /* Declared in microcode.h */
.long 0 /* microcode base */
diff --git a/arch/x86/cpu/intel_common/cpu_from_spl.c b/arch/x86/cpu/intel_common/cpu_from_spl.c
new file mode 100644
index 0000000000..a6233c75ce
--- /dev/null
+++ b/arch/x86/cpu/intel_common/cpu_from_spl.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2016 Google, Inc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <asm/cpu_common.h>
+#include <asm/intel_regs.h>
+#include <asm/lapic.h>
+#include <asm/lpc_common.h>
+#include <asm/msr.h>
+#include <asm/mtrr.h>
+#include <asm/post.h>
+#include <asm/microcode.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int arch_cpu_init(void)
+{
+ int ret;
+
+ ret = x86_cpu_reinit_f();
+
+ return ret;
+}
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c
index ed9bce6416..1cb6cecda9 100644
--- a/arch/x86/cpu/ivybridge/bd82x6x.c
+++ b/arch/x86/cpu/ivybridge/bd82x6x.c
@@ -229,6 +229,21 @@ static int bd82x6x_ioctl(struct udevice *dev, enum pch_req_t req, void *data,
return -ENOENT;
return val & RCBA_AUDIO_CONFIG_MASK;
+ case PCH_REQ_PMBASE_INFO: {
+ struct pch_pmbase_info *pm = data;
+ int ret;
+
+ /* Find the base address of the powermanagement registers */
+ ret = dm_pci_read_config16(dev, 0x40, &pm->base);
+ if (ret)
+ return ret;
+ pm->base &= 0xfffe;
+ pm->gpio0_en_ofs = GPE0_EN;
+ pm->pm1_sts_ofs = PM1_STS;
+ pm->pm1_cnt_ofs = PM1_CNT;
+
+ return 0;
+ }
default:
return -ENOSYS;
}
diff --git a/arch/x86/cpu/mp_init.c b/arch/x86/cpu/mp_init.c
index ea64c2ee57..fefbf8f728 100644
--- a/arch/x86/cpu/mp_init.c
+++ b/arch/x86/cpu/mp_init.c
@@ -322,7 +322,7 @@ static int start_aps(int ap_count, atomic_t *num_aps)
if (sipi_vector > max_vector_loc) {
printf("SIPI vector too large! 0x%08x\n",
sipi_vector);
- return -1;
+ return -ENOSPC;
}
debug("Attempting to start %d APs\n", ap_count);
@@ -364,7 +364,7 @@ static int start_aps(int ap_count, atomic_t *num_aps)
if (wait_for_aps(num_aps, ap_count, 10000, 50)) {
debug("Not all APs checked in: %d/%d\n",
atomic_read(num_aps), ap_count);
- return -1;
+ return -EIO;
}
return 0;
@@ -387,7 +387,7 @@ static int bsp_do_flight_plan(struct udevice *cpu, struct mp_params *mp_params)
if (wait_for_aps(&rec->cpus_entered, num_aps,
timeout_us, step_us)) {
debug("MP record %d timeout\n", i);
- ret = -1;
+ ret = -ETIMEDOUT;
}
}
@@ -508,7 +508,7 @@ int mp_init(struct mp_params *p)
if (p == NULL || p->flight_plan == NULL || p->num_records < 1) {
printf("Invalid MP parameters\n");
- return -1;
+ return -EINVAL;
}
num_cpus = cpu_get_count(cpu);
@@ -531,7 +531,7 @@ int mp_init(struct mp_params *p)
/* Load the SIPI vector */
ret = load_sipi_vector(&ap_count, num_cpus);
if (ap_count == NULL)
- return -1;
+ return -ENOENT;
/*
* Make sure SIPI data hits RAM so the APs that come up will see
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index 30fa7def46..4a82add76b 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -190,6 +190,19 @@ board_init_f_r_trampoline:
/* Re-enter U-Boot by calling board_init_f_r() */
call board_init_f_r
+#ifdef CONFIG_TPL
+.globl jump_to_spl
+.type jump_to_spl, @function
+jump_to_spl:
+ /* Reset stack to the top of CAR space */
+ movl $(CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE - 4), %esp
+#ifdef CONFIG_DCACHE_RAM_MRC_VAR_SIZE
+ subl $CONFIG_DCACHE_RAM_MRC_VAR_SIZE, %esp
+#endif
+
+ jmp *%eax
+#endif
+
die:
hlt
jmp die
diff --git a/arch/x86/cpu/start64.S b/arch/x86/cpu/start64.S
index a78a3316b6..7be834788b 100644
--- a/arch/x86/cpu/start64.S
+++ b/arch/x86/cpu/start64.S
@@ -2,7 +2,7 @@
/*
* 64-bit x86 Startup Code
*
- * (C) Copyright 216 Google, Inc
+ * Copyright 2019 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*/
diff --git a/arch/x86/cpu/start_from_spl.S b/arch/x86/cpu/start_from_spl.S
new file mode 100644
index 0000000000..4d4e5d0758
--- /dev/null
+++ b/arch/x86/cpu/start_from_spl.S
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * 32-bit x86 Startup Code when running from SPL
+ *
+ * Copyright 2018 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <config.h>
+
+.section .text.start
+.code32
+.globl _start
+.type _start, @function
+_start:
+ /* Set up memory using the existing stack */
+ movl $(CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE - 4), %eax
+#ifdef CONFIG_DCACHE_RAM_MRC_VAR_SIZE
+ subl $CONFIG_DCACHE_RAM_MRC_VAR_SIZE, %eax
+#endif
+ /*
+ * We don't subject CONFIG_DCACHE_RAM_MRC_VAR_SIZE since memory is
+ * already set up. This has the happy side-effect of putting gd in a
+ * new place separate from SPL, so the memset() in
+ * board_init_f_init_reserve() does not cause any problems (otherwise
+ * it would zero out the gd and crash)
+ */
+ call board_init_f_alloc_reserve
+ mov %eax, %esp
+
+ call board_init_f_init_reserve
+
+ xorl %eax, %eax
+ call board_init_f
+ call board_init_f_r
+
+ /* Should not return here */
+ jmp .
+
+.globl board_init_f_r_trampoline
+.type board_init_f_r_trampoline, @function
+board_init_f_r_trampoline:
+ /*
+ * SPL has been executed and SDRAM has been initialised, U-Boot code
+ * has been copied into RAM, BSS has been cleared and relocation
+ * adjustments have been made. It is now time to jump into the in-RAM
+ * copy of U-Boot
+ *
+ * %eax = Address of top of new stack
+ */
+
+ /* Stack grows down from top of SDRAM */
+ movl %eax, %esp
+
+ /* Re-enter U-Boot by calling board_init_f_r() */
+ call board_init_f_r
+
+die:
+ hlt
+ jmp die
+ hlt
+
+ .align 4
+_dt_ucode_base_size:
+ /* These next two fields are filled in by binman */
+.globl ucode_base
+ucode_base: /* Declared in microcode.h */
+ .long 0 /* microcode base */
+.globl ucode_size
+ucode_size: /* Declared in microcode.h */
+ .long 0 /* microcode size */
diff --git a/arch/x86/cpu/start_from_tpl.S b/arch/x86/cpu/start_from_tpl.S
new file mode 100644
index 0000000000..44b5363a68
--- /dev/null
+++ b/arch/x86/cpu/start_from_tpl.S
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * 32-bit x86 Startup Code when running from TPL
+ *
+ * Copyright 2018 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <config.h>
+
+.section .text.start
+.code32
+.globl _start
+.type _start, @function
+_start:
+ /* Set up memory using the existing stack */
+ mov %esp, %eax
+ call board_init_f_alloc_reserve
+ mov %eax, %esp
+
+ call board_init_f_init_reserve
+
+ xorl %eax, %eax
+ call board_init_f
+ call board_init_f_r
+
+ /* Should not return here */
+ jmp .
+
+.globl board_init_f_r_trampoline
+.type board_init_f_r_trampoline, @function
+board_init_f_r_trampoline:
+ /*
+ * TPL has been executed: SDRAM has been initialised, BSS has been
+ * cleared.
+ *
+ * %eax = Address of top of new stack
+ */
+
+ /* Stack grows down from top of SDRAM */
+ movl %eax, %esp
+
+ /* Re-enter SPL by calling board_init_f_r() */
+ call board_init_f_r
+
+die:
+ hlt
+ jmp die
+ hlt
diff --git a/arch/x86/cpu/u-boot-spl.lds b/arch/x86/cpu/u-boot-spl.lds
index 4e656dc4e5..f20c0b810d 100644
--- a/arch/x86/cpu/u-boot-spl.lds
+++ b/arch/x86/cpu/u-boot-spl.lds
@@ -54,7 +54,7 @@ SECTIONS
/DISCARD/ : { *(.interp*) }
/DISCARD/ : { *(.gnu*) }
-#ifdef CONFIG_SPL_X86_16BIT_INIT
+#if defined(CONFIG_SPL_X86_16BIT_INIT) || defined(CONFIG_TPL_X86_16BIT_INIT)
/*
* The following expressions place the 16-bit Real-Mode code and
* Reset Vector at the end of the Flash ROM
diff --git a/arch/x86/cpu/x86_64/cpu.c b/arch/x86/cpu/x86_64/cpu.c
index 6c063e8200..42abb23a9e 100644
--- a/arch/x86/cpu/x86_64/cpu.c
+++ b/arch/x86/cpu/x86_64/cpu.c
@@ -61,3 +61,8 @@ int print_cpuinfo(void)
{
return 0;
}
+
+int x86_cpu_reinit_f(void)
+{
+ return 0;
+}
diff --git a/arch/x86/dts/chromebook_samus.dts b/arch/x86/dts/chromebook_samus.dts
index 35211ed81b..772ea5c91b 100644
--- a/arch/x86/dts/chromebook_samus.dts
+++ b/arch/x86/dts/chromebook_samus.dts
@@ -9,6 +9,12 @@
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
+#ifdef CONFIG_CHROMEOS
+#include "chromeos-x86.dtsi"
+#include "flashmap-x86-ro.dtsi"
+#include "flashmap-8mb-rw.dtsi"
+#endif
+
/ {
model = "Google Samus";
compatible = "google,samus", "intel,broadwell";
@@ -17,6 +23,7 @@
spi0 = &spi;
usb0 = &usb_0;
usb1 = &usb_1;
+ cros-ec0 = &cros_ec;
};
config {
@@ -73,6 +80,7 @@
/* Put this first: it is the default */
gpio_unused: gpio-unused {
+ u-boot,dm-pre-reloc;
mode-gpio;
direction = <PIN_INPUT>;
owner = <OWNER_GPIO>;
@@ -80,6 +88,7 @@
};
gpio_acpi_sci: acpi-sci {
+ u-boot,dm-pre-reloc;
mode-gpio;
direction = <PIN_INPUT>;
invert;
@@ -87,6 +96,7 @@
};
gpio_acpi_smi: acpi-smi {
+ u-boot,dm-pre-reloc;
mode-gpio;
direction = <PIN_INPUT>;
invert;
@@ -94,12 +104,14 @@
};
gpio_input: gpio-input {
+ u-boot,dm-pre-reloc;
mode-gpio;
direction = <PIN_INPUT>;
owner = <OWNER_GPIO>;
};
gpio_input_invert: gpio-input-invert {
+ u-boot,dm-pre-reloc;
mode-gpio;
direction = <PIN_INPUT>;
owner = <OWNER_GPIO>;
@@ -107,9 +119,11 @@
};
gpio_native: gpio-native {
+ u-boot,dm-pre-reloc;
};
gpio_out_high: gpio-out-high {
+ u-boot,dm-pre-reloc;
mode-gpio;
direction = <PIN_OUTPUT>;
output-value = <1>;
@@ -118,6 +132,7 @@
};
gpio_out_low: gpio-out-low {
+ u-boot,dm-pre-reloc;
mode-gpio;
direction = <PIN_OUTPUT>;
output-value = <0>;
@@ -126,6 +141,7 @@
};
gpio_pirq: gpio-pirq {
+ u-boot,dm-pre-reloc;
mode-gpio;
direction = <PIN_INPUT>;
owner = <OWNER_GPIO>;
@@ -133,6 +149,7 @@
};
soc_gpio@0 {
+ u-boot,dm-pre-reloc;
config =
<0 &gpio_unused 0>, /* unused */
<1 &gpio_unused 0>, /* unused */
@@ -250,8 +267,10 @@
spd {
#address-cells = <1>;
#size-cells = <0>;
+ u-boot,dm-pre-reloc;
samsung_4 {
reg = <6>;
+ u-boot,dm-pre-reloc;
data = [91 20 f1 03 04 11 05 0b
03 11 01 08 0a 00 50 01
78 78 90 50 90 11 50 e0
@@ -291,6 +310,7 @@
* columns 10, density 4096 mb, x32
*/
reg = <8>;
+ u-boot,dm-pre-reloc;
data = [91 20 f1 03 04 11 05 0b
03 11 01 08 0a 00 50 01
78 78 90 50 90 11 50 e0
@@ -326,6 +346,7 @@
};
samsung_8 {
reg = <10>;
+ u-boot,dm-pre-reloc;
data = [91 20 f1 03 04 12 05 0a
03 11 01 08 0a 00 50 01
78 78 90 50 90 11 50 e0
@@ -365,6 +386,7 @@
* columns 11, density 4096 mb, x16
*/
reg = <12>;
+ u-boot,dm-pre-reloc;
data = [91 20 f1 03 04 12 05 0a
03 11 01 08 0a 00 50 01
78 78 90 50 90 11 50 e0
@@ -404,6 +426,7 @@
* columns 11, density 8192 mb, x16
*/
reg = <13>;
+ u-boot,dm-pre-reloc;
data = [91 20 f1 03 05 1a 05 0a
03 11 01 08 0a 00 50 01
78 78 90 50 90 11 50 e0
@@ -443,6 +466,7 @@
* columns 11, density 8192 mb, x16
*/
reg = <15>;
+ u-boot,dm-pre-reloc;
data = [91 20 f1 03 05 1a 05 0a
03 11 01 08 0a 00 50 01
78 78 90 50 90 11 50 e0
@@ -540,7 +564,7 @@
compatible = "ehci-pci";
};
- pch@1f,0 {
+ pch: pch@1f,0 {
reg = <0x0000f800 0 0 0 0>;
compatible = "intel,broadwell-pch";
u-boot,dm-pre-reloc;
@@ -559,10 +583,12 @@
power-enable-gpio = <&gpio_a 23 0>;
spi: spi {
+ u-boot,dm-pre-reloc;
#address-cells = <1>;
#size-cells = <0>;
compatible = "intel,ich9-spi";
- spi-flash@0 {
+ fwstore_spi: spi-flash@0 {
+ u-boot,dm-pre-reloc;
#size-cells = <1>;
#address-cells = <1>;
reg = <0>;
@@ -570,6 +596,7 @@
"jedec,spi-nor";
memory-map = <0xff800000 0x00800000>;
rw-mrc-cache {
+ u-boot,dm-pre-reloc;
label = "rw-mrc-cache";
reg = <0x003e0000 0x00010000>;
};
@@ -609,7 +636,8 @@
#size-cells = <0>;
u-boot,dm-pre-reloc;
intel,gen-dec = <0x800 0xfc 0x900 0xfc>;
- cros-ec@200 {
+ cros_ec: cros-ec {
+ u-boot,dm-pre-reloc;
compatible = "google,cros-ec-lpc";
reg = <0x204 1 0x200 1 0x880 0x80>;
@@ -630,7 +658,7 @@
sata@1f,2 {
compatible = "intel,wildcatpoint-ahci";
reg = <0x0000fa00 0 0 0 0>;
- u-boot,dm-pre-reloc;
+ u-boot,dm-pre-proper;
intel,sata-mode = "ahci";
intel,sata-port-map = <1>;
intel,sata-port0-gen3-tx = <0x72>;
@@ -645,12 +673,19 @@
};
tpm {
+ u-boot,dm-pre-reloc;
reg = <0xfed40000 0x5000>;
compatible = "infineon,slb9635lpc";
+ secdata {
+ u-boot,dm-pre-reloc;
+ compatible = "google,tpm-secdata";
+ };
};
microcode {
+ u-boot,dm-pre-reloc;
update@0 {
+ u-boot,dm-pre-reloc;
#include "microcode/mc0306d4_00000018.dtsi"
};
};
@@ -668,3 +703,13 @@
};
};
+
+&rtc {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ nvdata {
+ u-boot,dm-pre-reloc;
+ compatible = "google,cmos-nvdata";
+ reg = <0x26>;
+ };
+};
diff --git a/arch/x86/dts/reset.dtsi b/arch/x86/dts/reset.dtsi
index f979d83757..555d0dd960 100644
--- a/arch/x86/dts/reset.dtsi
+++ b/arch/x86/dts/reset.dtsi
@@ -1,5 +1,5 @@
/ {
- reset {
+ reset: reset {
compatible = "x86,reset";
u-boot,dm-pre-reloc;
};
diff --git a/arch/x86/dts/rtc.dtsi b/arch/x86/dts/rtc.dtsi
index 1797e042da..d0bbd84e50 100644
--- a/arch/x86/dts/rtc.dtsi
+++ b/arch/x86/dts/rtc.dtsi
@@ -1,5 +1,5 @@
/ {
- rtc {
+ rtc: rtc {
compatible = "motorola,mc146818";
u-boot,dm-pre-reloc;
reg = <0x70 2>;
diff --git a/arch/x86/dts/u-boot.dtsi b/arch/x86/dts/u-boot.dtsi
index 1050236330..daeb168b65 100644
--- a/arch/x86/dts/u-boot.dtsi
+++ b/arch/x86/dts/u-boot.dtsi
@@ -6,86 +6,128 @@
#include <config.h>
-#ifdef CONFIG_ROM_SIZE
+#ifdef CONFIG_CHROMEOS
/ {
binman {
- filename = "u-boot.rom";
- end-at-4gb;
- sort-by-offset;
- pad-byte = <0xff>;
- size = <CONFIG_ROM_SIZE>;
-#ifdef CONFIG_HAVE_INTEL_ME
- intel-descriptor {
- filename = CONFIG_FLASH_DESCRIPTOR_FILE;
- };
- intel-me {
- filename = CONFIG_INTEL_ME_FILE;
+ multiple-images;
+ rom: rom {
};
+ };
+};
+#else
+/ {
+ rom: binman {
+ };
+};
#endif
-#ifdef CONFIG_SPL
- u-boot-spl-with-ucode-ptr {
- offset = <CONFIG_SPL_TEXT_BASE>;
- };
- u-boot-dtb-with-ucode2 {
- type = "u-boot-dtb-with-ucode";
- };
- u-boot {
- offset = <0xfff00000>;
- };
+#ifdef CONFIG_ROM_SIZE
+&rom {
+ filename = "u-boot.rom";
+ end-at-4gb;
+ sort-by-offset;
+ pad-byte = <0xff>;
+ size = <CONFIG_ROM_SIZE>;
+#ifdef CONFIG_HAVE_INTEL_ME
+ intel-descriptor {
+ filename = CONFIG_FLASH_DESCRIPTOR_FILE;
+ };
+ intel-me {
+ filename = CONFIG_INTEL_ME_FILE;
+ };
+#endif
+#ifdef CONFIG_TPL
+ u-boot-tpl-with-ucode-ptr {
+ offset = <CONFIG_TPL_TEXT_BASE>;
+ };
+ u-boot-tpl-dtb {
+ };
+ u-boot-spl {
+ offset = <CONFIG_SPL_TEXT_BASE>;
+ };
+ u-boot-spl-dtb {
+ };
+ u-boot {
+ offset = <CONFIG_SYS_TEXT_BASE>;
+ };
+#elif defined(CONFIG_SPL)
+ u-boot-spl-with-ucode-ptr {
+ offset = <CONFIG_SPL_TEXT_BASE>;
+ };
+ u-boot-dtb-with-ucode2 {
+ type = "u-boot-dtb-with-ucode";
+ };
+ u-boot {
+ /*
+ * TODO(sjg@chromium.org):
+ * Normally we use CONFIG_SYS_TEXT_BASE as the flash offset. But
+ * for boards with textbase in SDRAM we cannot do this. Just use
+ * an assumed-valid value (1MB before the end of flash) here so
+ * that we can actually build an image for coreboot, etc.
+ * We need a better solution, perhaps a separate Kconfig.
+ */
+#if CONFIG_SYS_TEXT_BASE == 0x1110000
+ offset = <0xfff00000>;
#else
- u-boot-with-ucode-ptr {
- offset = <CONFIG_SYS_TEXT_BASE>;
- };
+ offset = <CONFIG_SYS_TEXT_BASE>;
#endif
- u-boot-dtb-with-ucode {
- };
- u-boot-ucode {
- align = <16>;
- };
+ };
+#else
+ u-boot-with-ucode-ptr {
+ offset = <CONFIG_SYS_TEXT_BASE>;
+ };
+#endif
+ u-boot-dtb-with-ucode {
+ };
+ u-boot-ucode {
+ align = <16>;
+ };
#ifdef CONFIG_HAVE_MRC
- intel-mrc {
- offset = <CONFIG_X86_MRC_ADDR>;
- };
+ intel-mrc {
+ offset = <CONFIG_X86_MRC_ADDR>;
+ };
#endif
#ifdef CONFIG_HAVE_FSP
- intel-fsp {
- filename = CONFIG_FSP_FILE;
- offset = <CONFIG_FSP_ADDR>;
- };
+ intel-fsp {
+ filename = CONFIG_FSP_FILE;
+ offset = <CONFIG_FSP_ADDR>;
+ };
#endif
#ifdef CONFIG_HAVE_CMC
- intel-cmc {
- filename = CONFIG_CMC_FILE;
- offset = <CONFIG_CMC_ADDR>;
- };
+ intel-cmc {
+ filename = CONFIG_CMC_FILE;
+ offset = <CONFIG_CMC_ADDR>;
+ };
#endif
#ifdef CONFIG_HAVE_VGA_BIOS
- intel-vga {
- filename = CONFIG_VGA_BIOS_FILE;
- offset = <CONFIG_VGA_BIOS_ADDR>;
- };
+ intel-vga {
+ filename = CONFIG_VGA_BIOS_FILE;
+ offset = <CONFIG_VGA_BIOS_ADDR>;
+ };
#endif
#ifdef CONFIG_HAVE_VBT
- intel-vbt {
- filename = CONFIG_VBT_FILE;
- offset = <CONFIG_VBT_ADDR>;
- };
+ intel-vbt {
+ filename = CONFIG_VBT_FILE;
+ offset = <CONFIG_VBT_ADDR>;
+ };
#endif
#ifdef CONFIG_HAVE_REFCODE
- intel-refcode {
- offset = <CONFIG_X86_REFCODE_ADDR>;
- };
+ intel-refcode {
+ offset = <CONFIG_X86_REFCODE_ADDR>;
+ };
#endif
-#ifdef CONFIG_SPL
- x86-start16-spl {
- offset = <CONFIG_SYS_X86_START16>;
- };
+#ifdef CONFIG_TPL
+ x86-start16-tpl {
+ offset = <CONFIG_SYS_X86_START16>;
+ };
+#elif defined(CONFIG_SPL)
+ x86-start16-spl {
+ offset = <CONFIG_SYS_X86_START16>;
+ };
#else
- x86-start16 {
- offset = <CONFIG_SYS_X86_START16>;
- };
-#endif
+ x86-start16 {
+ offset = <CONFIG_SYS_X86_START16>;
};
+#endif
};
#endif
diff --git a/arch/x86/include/asm/handoff.h b/arch/x86/include/asm/handoff.h
new file mode 100644
index 0000000000..4d18d59efe
--- /dev/null
+++ b/arch/x86/include/asm/handoff.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Architecture-specific SPL handoff information for x86
+ *
+ * Copyright 2018 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#ifndef __x86_asm_handoff_h
+#define __x86_asm_handoff_h
+
+struct arch_spl_handoff {
+};
+
+#endif
diff --git a/arch/x86/include/asm/mrccache.h b/arch/x86/include/asm/mrccache.h
index 04783cd329..40fda856ff 100644
--- a/arch/x86/include/asm/mrccache.h
+++ b/arch/x86/include/asm/mrccache.h
@@ -103,4 +103,15 @@ int mrccache_get_region(struct udevice **devp, struct mrc_region *entry);
*/
int mrccache_save(void);
+/**
+ * mrccache_spl_save() - Save to the MRC region from SPL
+ *
+ * When SPL is used to set up the memory controller we want to save the MRC
+ * data in SPL to avoid needing to pass it up to U-Boot proper to save. This
+ * function handles that.
+ *
+ * @return 0 if saved to SPI flash successfully, other error if failed
+ */
+int mrccache_spl_save(void);
+
#endif /* _ASM_MRCCACHE_H */
diff --git a/arch/x86/include/asm/spl.h b/arch/x86/include/asm/spl.h
index 8cf59d14e7..27432b2897 100644
--- a/arch/x86/include/asm/spl.h
+++ b/arch/x86/include/asm/spl.h
@@ -2,6 +2,19 @@
/*
* Copyright (C) 2017 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
- *
- * This file is required for SPL to build, but is empty.
*/
+
+#ifndef __asm_spl_h
+#define __asm_spl_h
+
+#define CONFIG_SPL_BOARD_LOAD_IMAGE
+
+enum {
+ BOOT_DEVICE_SPI = 10,
+ BOOT_DEVICE_BOARD,
+ BOOT_DEVICE_CROS_VBOOT,
+};
+
+void jump_to_spl(ulong entry);
+
+#endif
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index 670fcdc009..c252192bf4 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -13,7 +13,27 @@ extern char gdt_rom[];
/* cpu/.../cpu.c */
int arch_cpu_init(void);
+
+/**
+ * x86_cpu_init_f() - Set up basic features of the x86 CPU
+ *
+ * 0 on success, -ve on error
+ */
int x86_cpu_init_f(void);
+
+/**
+ * x86_cpu_reinit_f() - Set up the CPU a second time
+ *
+ * Once cpu_init_f() has been called (e.g. in SPL) we should not call it
+ * again (e.g. in U-Boot proper) since it sets up the state from scratch.
+ * Call this function in later phases of U-Boot instead. It reads the CPU
+ * identify so that CPU functions can be used correctly, but does not change
+ * anything.
+ *
+ * @return 0 (indicating success, to mimic cpu_init_f())
+ */
+int x86_cpu_reinit_f(void);
+
int cpu_init_f(void);
void setup_gdt(struct global_data *id, u64 *gdt_addr);
/*
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 56fd680033..436252dd83 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -43,7 +43,14 @@ ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_CMD_ZBOOT) += zimage.o
endif
obj-$(CONFIG_HAVE_FSP) += fsp/
-obj-$(CONFIG_SPL_BUILD) += spl.o
+
+ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_TPL_BUILD
+obj-y += tpl.o
+else
+obj-y += spl.o
+endif
+endif
lib-$(CONFIG_USE_PRIVATE_LIBGCC) += div64.o
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
index 832b1f901c..5443a862ab 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -35,7 +35,7 @@ void bootm_announce_and_cleanup(void)
timestamp_add_now(TS_U_BOOT_START_KERNEL);
#endif
bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel");
-#ifdef CONFIG_BOOTSTAGE_REPORT
+#if CONFIG_IS_ENABLED(BOOTSTAGE_REPORT)
bootstage_report();
#endif
diff --git a/arch/x86/lib/fsp/fsp_car.S b/arch/x86/lib/fsp/fsp_car.S
index 48edc8362a..8c54cea3db 100644
--- a/arch/x86/lib/fsp/fsp_car.S
+++ b/arch/x86/lib/fsp/fsp_car.S
@@ -100,7 +100,7 @@ temp_ram_init_romstack:
.long temp_ram_init_params
temp_ram_init_params:
_dt_ucode_base_size:
- /* These next two fields are filled in by ifdtool */
+ /* These next two fields are filled in by binman */
.globl ucode_base
ucode_base: /* Declared in microcode.h */
.long 0 /* microcode base */
diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c
index 0481f453ca..ac85278cdf 100644
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@@ -18,7 +18,10 @@ __weak ulong board_get_usable_ram_top(ulong total_size)
int init_cache_f_r(void)
{
-#if CONFIG_IS_ENABLED(X86_32BIT_INIT) && !defined(CONFIG_HAVE_FSP)
+#if (CONFIG_IS_ENABLED(X86_32BIT_INIT) || \
+ (!defined(CONFIG_SPL_BUILD) && \
+ !CONFIG_IS_ENABLED(CONFIG_X86_RUN_64BIT))) && \
+ !defined(CONFIG_HAVE_FSP)
int ret;
ret = mtrr_commit(false);
diff --git a/arch/x86/lib/mrccache.c b/arch/x86/lib/mrccache.c
index 2a8919885b..be107627b8 100644
--- a/arch/x86/lib/mrccache.c
+++ b/arch/x86/lib/mrccache.c
@@ -113,8 +113,10 @@ int mrccache_update(struct udevice *sf, struct mrc_region *entry,
ulong base_addr;
int ret;
- if (!is_mrc_cache(cur))
+ if (!is_mrc_cache(cur)) {
+ debug("%s: Cache data not valid\n", __func__);
return -EINVAL;
+ }
/* Find the last used block */
base_addr = entry->base + entry->offset;
@@ -159,18 +161,11 @@ int mrccache_update(struct udevice *sf, struct mrc_region *entry,
return 0;
}
-int mrccache_reserve(void)
+static void mrccache_setup(void *data)
{
- struct mrc_data_container *cache;
+ struct mrc_data_container *cache = data;
u16 checksum;
- if (!gd->arch.mrc_output_len)
- return 0;
-
- /* adjust stack pointer to store pure cache data plus the header */
- gd->start_addr_sp -= (gd->arch.mrc_output_len + MRC_DATA_HEADER_SIZE);
- cache = (struct mrc_data_container *)gd->start_addr_sp;
-
cache->signature = MRC_DATA_SIGNATURE;
cache->data_size = gd->arch.mrc_output_len;
checksum = compute_ip_checksum(gd->arch.mrc_output, cache->data_size);
@@ -182,6 +177,16 @@ int mrccache_reserve(void)
/* gd->arch.mrc_output now points to the container */
gd->arch.mrc_output = (char *)cache;
+}
+
+int mrccache_reserve(void)
+{
+ if (!gd->arch.mrc_output_len)
+ return 0;
+
+ /* adjust stack pointer to store pure cache data plus the header */
+ gd->start_addr_sp -= (gd->arch.mrc_output_len + MRC_DATA_HEADER_SIZE);
+ mrccache_setup((void *)gd->start_addr_sp);
gd->start_addr_sp &= ~0xf;
@@ -202,17 +207,23 @@ int mrccache_get_region(struct udevice **devp, struct mrc_region *entry)
return -ENOENT;
}
- if (fdtdec_get_int_array(blob, node, "memory-map", reg, 2))
+ if (fdtdec_get_int_array(blob, node, "memory-map", reg, 2)) {
+ debug("%s: Cannot find memory map\n", __func__);
return -EINVAL;
+ }
entry->base = reg[0];
/* Find the place where we put the MRC cache */
mrc_node = fdt_subnode_offset(blob, node, "rw-mrc-cache");
- if (mrc_node < 0)
+ if (mrc_node < 0) {
+ debug("%s: Cannot find node\n", __func__);
return -EPERM;
+ }
- if (fdtdec_get_int_array(blob, mrc_node, "reg", reg, 2))
+ if (fdtdec_get_int_array(blob, mrc_node, "reg", reg, 2)) {
+ debug("%s: Cannot find address\n", __func__);
return -EINVAL;
+ }
entry->offset = reg[0];
entry->length = reg[1];
@@ -256,3 +267,18 @@ err_entry:
debug("%s: Failed: %d\n", __func__, ret);
return ret;
}
+
+int mrccache_spl_save(void)
+{
+ void *data;
+ int size;
+
+ size = gd->arch.mrc_output_len + MRC_DATA_HEADER_SIZE;
+ data = malloc(size);
+ if (!data)
+ return log_msg_ret("Allocate MRC cache block", -ENOMEM);
+ mrccache_setup(data);
+ gd->arch.mrc_output = data;
+
+ return mrccache_save();
+}
diff --git a/arch/x86/lib/spl.c b/arch/x86/lib/spl.c
index 7d290740bf..5d5d1a9ca7 100644
--- a/arch/x86/lib/spl.c
+++ b/arch/x86/lib/spl.c
@@ -5,8 +5,10 @@
#include <common.h>
#include <debug_uart.h>
+#include <malloc.h>
#include <spl.h>
#include <asm/cpu.h>
+#include <asm/mrccache.h>
#include <asm/mtrr.h>
#include <asm/processor.h>
#include <asm-generic/sections.h>
@@ -20,6 +22,7 @@ __weak int arch_cpu_init_dm(void)
static int x86_spl_init(void)
{
+#ifndef CONFIG_TPL
/*
* TODO(sjg@chromium.org): We use this area of RAM for the stack
* and global_data in SPL. Once U-Boot starts up and releocates it
@@ -27,6 +30,7 @@ static int x86_spl_init(void)
* place it immediately below CONFIG_SYS_TEXT_BASE.
*/
char *ptr = (char *)0x110000;
+#endif
int ret;
debug("%s starting\n", __func__);
@@ -35,27 +39,44 @@ static int x86_spl_init(void)
debug("%s: spl_init() failed\n", __func__);
return ret;
}
+#ifdef CONFIG_TPL
+ /* Do a mini-init if TPL has already done the full init */
+ ret = x86_cpu_reinit_f();
+#else
ret = arch_cpu_init();
+#endif
if (ret) {
debug("%s: arch_cpu_init() failed\n", __func__);
return ret;
}
+#ifndef CONFIG_TPL
ret = arch_cpu_init_dm();
if (ret) {
debug("%s: arch_cpu_init_dm() failed\n", __func__);
return ret;
}
+#endif
preloader_console_init();
+#ifndef CONFIG_TPL
ret = print_cpuinfo();
if (ret) {
debug("%s: print_cpuinfo() failed\n", __func__);
return ret;
}
+#endif
ret = dram_init();
if (ret) {
debug("%s: dram_init() failed\n", __func__);
return ret;
}
+ if (IS_ENABLED(CONFIG_ENABLE_MRC_CACHE)) {
+ ret = mrccache_spl_save();
+ if (ret)
+ debug("%s: Failed to write to mrccache (err=%d)\n",
+ __func__, ret);
+ }
+
+#ifndef CONFIG_TPL
memset(&__bss_start, 0, (ulong)&__bss_end - (ulong)&__bss_start);
/* TODO(sjg@chromium.org): Consider calling cpu_init_r() here */
@@ -80,9 +101,11 @@ static int x86_spl_init(void)
(1ULL << 32) - CONFIG_XIP_ROM_SIZE,
CONFIG_XIP_ROM_SIZE);
if (ret) {
- debug("%s: SPI cache setup failed\n", __func__);
+ debug("%s: SPI cache setup failed (err=%d)\n", __func__, ret);
return ret;
}
+ mtrr_commit(true);
+#endif
return 0;
}
@@ -96,9 +119,17 @@ void board_init_f(ulong flags)
debug("Error %d\n", ret);
hang();
}
-
+#ifdef CONFIG_TPL
+ gd->bd = malloc(sizeof(*gd->bd));
+ if (!gd->bd) {
+ printf("Out of memory for bd_info size %x\n", sizeof(*gd->bd));
+ hang();
+ }
+ board_init_r(gd, 0);
+#else
/* Uninit CAR and jump to board_init_f_r() */
board_init_f_r_trampoline(gd->start_addr_sp);
+#endif
}
void board_init_f_r(void)
@@ -144,6 +175,7 @@ int spl_spi_load_image(void)
return -EPERM;
}
+#ifdef CONFIG_X86_RUN_64BIT
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
int ret;
@@ -154,3 +186,11 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
while (1)
;
}
+#endif
+
+void spl_board_init(void)
+{
+#ifndef CONFIG_TPL
+ preloader_console_init();
+#endif
+}
diff --git a/arch/x86/lib/tpl.c b/arch/x86/lib/tpl.c
new file mode 100644
index 0000000000..492a2d6521
--- /dev/null
+++ b/arch/x86/lib/tpl.c
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 Google, Inc
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <spl.h>
+#include <asm/cpu.h>
+#include <asm/mtrr.h>
+#include <asm/processor.h>
+#include <asm-generic/sections.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+__weak int arch_cpu_init_dm(void)
+{
+ return 0;
+}
+
+static int x86_tpl_init(void)
+{
+ int ret;
+
+ debug("%s starting\n", __func__);
+ ret = spl_init();
+ if (ret) {
+ debug("%s: spl_init() failed\n", __func__);
+ return ret;
+ }
+ ret = arch_cpu_init();
+ if (ret) {
+ debug("%s: arch_cpu_init() failed\n", __func__);
+ return ret;
+ }
+ ret = arch_cpu_init_dm();
+ if (ret) {
+ debug("%s: arch_cpu_init_dm() failed\n", __func__);
+ return ret;
+ }
+ preloader_console_init();
+ ret = print_cpuinfo();
+ if (ret) {
+ debug("%s: print_cpuinfo() failed\n", __func__);
+ return ret;
+ }
+
+ return 0;
+}
+
+void board_init_f(ulong flags)
+{
+ int ret;
+
+ ret = x86_tpl_init();
+ if (ret) {
+ debug("Error %d\n", ret);
+ hang();
+ }
+
+ /* Uninit CAR and jump to board_init_f_r() */
+ board_init_r(gd, 0);
+}
+
+void board_init_f_r(void)
+{
+ /* Not used since we never call board_init_f_r_trampoline() */
+ while (1);
+}
+
+u32 spl_boot_device(void)
+{
+ return IS_ENABLED(CONFIG_CHROMEOS) ? BOOT_DEVICE_CROS_VBOOT :
+ BOOT_DEVICE_BOARD;
+}
+
+int spl_start_uboot(void)
+{
+ return 0;
+}
+
+void spl_board_announce_boot_device(void)
+{
+ printf("SPI flash");
+}
+
+static int spl_board_load_image(struct spl_image_info *spl_image,
+ struct spl_boot_device *bootdev)
+{
+ spl_image->size = CONFIG_SYS_MONITOR_LEN; /* We don't know SPL size */
+ spl_image->entry_point = CONFIG_SPL_TEXT_BASE;
+ spl_image->load_addr = CONFIG_SPL_TEXT_BASE;
+ spl_image->os = IH_OS_U_BOOT;
+ spl_image->name = "U-Boot";
+
+ debug("Loading to %lx\n", spl_image->load_addr);
+
+ return 0;
+}
+SPL_LOAD_IMAGE_METHOD("SPI", 0, BOOT_DEVICE_BOARD, spl_board_load_image);
+
+int spl_spi_load_image(void)
+{
+ return -EPERM;
+}
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+ printf("Jumping to U-Boot SPL at %lx\n", (ulong)spl_image->entry_point);
+ jump_to_spl(spl_image->entry_point);
+ while (1)
+ ;
+}
+
+void spl_board_init(void)
+{
+ preloader_console_init();
+}
diff --git a/board/google/Kconfig b/board/google/Kconfig
index d98a5e818f..679a0f1023 100644
--- a/board/google/Kconfig
+++ b/board/google/Kconfig
@@ -52,6 +52,14 @@ config TARGET_CHROMEBOOK_SAMUS
Chrome OS EC connected on LPC, and it provides a 2560x1700 high
resolution touch-enabled LCD display.
+config TARGET_CHROMEBOOK_SAMUS_TPL
+ bool "Chromebook samus booting from TPL"
+ help
+ This is a version of Samus which boots into TPL, then to SPL and
+ U-Boot proper. This is useful where verified boot must select
+ between different A/B versions of SPL/U-Boot, to allow upgrading of
+ almost all U-Boot code in the field.
+
endchoice
source "board/google/chromebook_link/Kconfig"
diff --git a/board/google/chromebook_samus/Kconfig b/board/google/chromebook_samus/Kconfig
index afbfe53deb..90c23cba1b 100644
--- a/board/google/chromebook_samus/Kconfig
+++ b/board/google/chromebook_samus/Kconfig
@@ -1,4 +1,4 @@
-if TARGET_CHROMEBOOK_SAMUS
+if TARGET_CHROMEBOOK_SAMUS || TARGET_CHROMEBOOK_SAMUS_TPL
config SYS_BOARD
default "chromebook_samus"
@@ -10,7 +10,8 @@ config SYS_SOC
default "broadwell"
config SYS_CONFIG_NAME
- default "chromebook_samus"
+ default "chromebook_samus" if TARGET_CHROMEBOOK_SAMUS
+ default "chromebook_samus" if TARGET_CHROMEBOOK_SAMUS_TPL
config SYS_TEXT_BASE
default 0xffe00000
@@ -39,3 +40,12 @@ config SYS_CAR_SIZE
default 0x40000
endif
+
+if TARGET_CHROMEBOOK_SAMUS_TPL
+
+config BOARD_SPECIFIC_OPTIONS_TPL # dummy
+ def_bool y
+ select SPL
+ select TPL
+
+endif
diff --git a/board/google/chromebook_samus/MAINTAINERS b/board/google/chromebook_samus/MAINTAINERS
index 5500e46b40..ca4b16500a 100644
--- a/board/google/chromebook_samus/MAINTAINERS
+++ b/board/google/chromebook_samus/MAINTAINERS
@@ -4,3 +4,10 @@ S: Maintained
F: board/google/chromebook_samus/
F: include/configs/chromebook_samus.h
F: configs/chromebook_samus_defconfig
+
+CHROMEBOOK SAMUS TPL BOARD
+M: Simon Glass <sjg@chromium.org>
+S: Maintained
+F: board/google/chromebook_samus/
+F: include/configs/chromebook_samus.h
+F: configs/chromebook_samus_tpl_defconfig
diff --git a/configs/chromebook_samus_defconfig b/configs/chromebook_samus_defconfig
index d0749f14fc..91d9fdf961 100644
--- a/configs/chromebook_samus_defconfig
+++ b/configs/chromebook_samus_defconfig
@@ -1,6 +1,6 @@
CONFIG_X86=y
CONFIG_SYS_TEXT_BASE=0xFFE00000
-CONFIG_SYS_MALLOC_F_LEN=0x1c00
+CONFIG_SYS_MALLOC_F_LEN=0x1d00
CONFIG_NR_DRAM_BANKS=8
CONFIG_DEBUG_UART_BOARD_INIT=y
CONFIG_DEBUG_UART_BASE=0x3f8
diff --git a/configs/chromebook_samus_tpl_defconfig b/configs/chromebook_samus_tpl_defconfig
new file mode 100644
index 0000000000..6ebfaa83a1
--- /dev/null
+++ b/configs/chromebook_samus_tpl_defconfig
@@ -0,0 +1,82 @@
+CONFIG_X86=y
+CONFIG_SYS_TEXT_BASE=0xffed0000
+CONFIG_SYS_MALLOC_F_LEN=0x1a00
+CONFIG_NR_DRAM_BANKS=8
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_BASE=0x3f8
+CONFIG_DEBUG_UART_CLOCK=1843200
+CONFIG_VENDOR_GOOGLE=y
+CONFIG_TARGET_CHROMEBOOK_SAMUS_TPL=y
+CONFIG_DEBUG_UART=y
+CONFIG_HAVE_MRC=y
+CONFIG_HAVE_REFCODE=y
+CONFIG_SMP=y
+CONFIG_HAVE_VGA_BIOS=y
+CONFIG_BOOTSTAGE=y
+CONFIG_BOOTSTAGE_REPORT=y
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="root=/dev/sdb3 init=/sbin/init rootwait ro"
+CONFIG_SYS_CONSOLE_INFO_QUIET=y
+CONFIG_MISC_INIT_R=y
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_LAST_STAGE_INIT=y
+CONFIG_BLOBLIST=y
+CONFIG_BLOBLIST_SIZE=0x1000
+CONFIG_BLOBLIST_ADDR=0xff7c0000
+CONFIG_HANDOFF=y
+CONFIG_SPL_TEXT_BASE=0xffe70000
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_SPL_NET_SUPPORT=y
+CONFIG_SPL_PCI=y
+CONFIG_SPL_PCH_SUPPORT=y
+CONFIG_TPL_PCI=y
+CONFIG_TPL_PCH_SUPPORT=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_CPU=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_SATA=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TIME=y
+CONFIG_CMD_SOUND=y
+CONFIG_CMD_BOOTSTAGE=y
+CONFIG_CMD_TPM=y
+CONFIG_CMD_TPM_TEST=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_MAC_PARTITION=y
+# CONFIG_SPL_MAC_PARTITION is not set
+# CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+CONFIG_EFI_PARTITION=y
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_DEFAULT_DEVICE_TREE="chromebook_samus"
+# CONFIG_NET is not set
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CPU=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_DW=y
+CONFIG_TPL_MISC=y
+CONFIG_CROS_EC=y
+CONFIG_CROS_EC_LPC=y
+CONFIG_SYS_NS16550=y
+CONFIG_SOUND=y
+CONFIG_SOUND_I8254=y
+CONFIG_SOUND_RT5677=y
+CONFIG_SPI=y
+CONFIG_TPM_TIS_LPC=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_FRAMEBUFFER_SET_VESA_MODE=y
+CONFIG_FRAMEBUFFER_VESA_MODE_11A=y
+CONFIG_CONSOLE_SCROLL_LINES=5
+CONFIG_TPM=y
diff --git a/doc/README.x86 b/doc/README.x86
index fa49cb8b8a..8e0a3f36ed 100644
--- a/doc/README.x86
+++ b/doc/README.x86
@@ -185,6 +185,22 @@ If you are using em100, then this command will flash write -Boot:
em100 -s -d filename.rom -c W25Q64CV -r
+Flash map for samus / broadwell:
+
+ fffff800 SYS_X86_START16
+ ffff0000 RESET_SEG_START
+ fffd8000 TPL_TEXT_BASE
+ fffa0000 X86_MRC_ADDR
+ fff90000 VGA_BIOS_ADDR
+ ffed0000 SYS_TEXT_BASE
+ ffea0000 X86_REFCODE_ADDR
+ ffe70000 SPL_TEXT_BASE
+ ffbf8000 CONFIG_ENV_OFFSET (environemnt offset)
+ ffbe0000 rw-mrc-cache (Memory-reference-code cache)
+ ffa00000 <spare>
+ ff801000 intel-me (address set by descriptor.bin)
+ ff800000 intel-descriptor
+
---
Intel Crown Bay specific instructions for bare mode:
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 785f5c3acf..cc0c031e0d 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -546,7 +546,7 @@ fdt_addr_t ofnode_get_addr_size(ofnode node, const char *property,
ns = of_n_size_cells(np);
*sizep = of_read_number(prop + na, ns);
- if (IS_ENABLED(CONFIG_OF_TRANSLATE) && ns > 0)
+ if (CONFIG_IS_ENABLED(OF_TRANSLATE) && ns > 0)
return of_translate_address(np, prop);
else
return of_read_number(prop, na);
diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c
index 565de040fe..382f826286 100644
--- a/drivers/misc/cros_ec.c
+++ b/drivers/misc/cros_ec.c
@@ -1482,7 +1482,7 @@ int cros_ec_set_lid_shutdown_mask(struct udevice *dev, int enable)
UCLASS_DRIVER(cros_ec) = {
.id = UCLASS_CROS_EC,
- .name = "cros_ec",
+ .name = "cros-ec",
.per_device_auto_alloc_size = sizeof(struct cros_ec_dev),
.post_bind = dm_scan_fdt_dev,
.flags = DM_UC_FLAG_ALLOC_PRIV_DMA,
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index 7d9b75c2c4..2cede1211b 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -306,7 +306,7 @@ int dm_pci_run_vga_bios(struct udevice *dev, int (*int15_handler)(void),
goto err;
#endif
} else {
-#if defined(CONFIG_X86) && CONFIG_IS_ENABLED(X86_32BIT_INIT)
+#if defined(CONFIG_X86) && (CONFIG_IS_ENABLED(X86_32BIT_INIT) || CONFIG_TPL)
bios_set_interrupt_handler(0x15, int15_handler);
bios_run_on_x86(dev, (unsigned long)ram, vesa_mode,
diff --git a/drivers/sysreset/sysreset_x86.c b/drivers/sysreset/sysreset_x86.c
index 009f376602..072f7948ef 100644
--- a/drivers/sysreset/sysreset_x86.c
+++ b/drivers/sysreset/sysreset_x86.c
@@ -7,15 +7,75 @@
#include <common.h>
#include <dm.h>
+#include <efi_loader.h>
+#include <pch.h>
#include <sysreset.h>
+#include <asm/acpi_s3.h>
#include <asm/io.h>
#include <asm/processor.h>
-#include <efi_loader.h>
-static __efi_runtime int x86_sysreset_request(struct udevice *dev,
- enum sysreset_t type)
+struct x86_sysreset_platdata {
+ struct udevice *pch;
+};
+
+/*
+ * Power down the machine by using the power management sleep control
+ * of the chipset. This will currently only work on Intel chipsets.
+ * However, adapting it to new chipsets is fairly simple. You will
+ * have to find the IO address of the power management register block
+ * in your southbridge, and look up the appropriate SLP_TYP_S5 value
+ * from your southbridge's data sheet.
+ *
+ * This function never returns.
+ */
+int pch_sysreset_power_off(struct udevice *dev)
+{
+ struct x86_sysreset_platdata *plat = dev_get_platdata(dev);
+ struct pch_pmbase_info pm;
+ u32 reg32;
+ int ret;
+
+ if (!plat->pch)
+ return -ENOENT;
+ ret = pch_ioctl(plat->pch, PCH_REQ_PMBASE_INFO, &pm, sizeof(pm));
+ if (ret)
+ return ret;
+
+ /*
+ * Mask interrupts or system might stay in a coma, not executing code
+ * anymore, but not powered off either.
+ */
+ asm("cli");
+
+ /*
+ * Avoid any GPI waking the system from S5* or the system might stay in
+ * a coma
+ */
+ outl(0x00000000, pm.base + pm.gpio0_en_ofs);
+
+ /* Clear Power Button Status */
+ outw(PWRBTN_STS, pm.base + pm.pm1_sts_ofs);
+
+ /* PMBASE + 4, Bit 10-12, Sleeping Type, * set to 111 -> S5, soft_off */
+ reg32 = inl(pm.base + pm.pm1_cnt_ofs);
+
+ /* Set Sleeping Type to S5 (poweroff) */
+ reg32 &= ~(SLP_EN | SLP_TYP);
+ reg32 |= SLP_TYP_S5;
+ outl(reg32, pm.base + pm.pm1_cnt_ofs);
+
+ /* Now set the Sleep Enable bit */
+ reg32 |= SLP_EN;
+ outl(reg32, pm.base + pm.pm1_cnt_ofs);
+
+ for (;;)
+ asm("hlt");
+}
+
+static int x86_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
int value;
+ int ret;
switch (type) {
case SYSRESET_WARM:
@@ -24,6 +84,11 @@ static __efi_runtime int x86_sysreset_request(struct udevice *dev,
case SYSRESET_COLD:
value = SYS_RST | RST_CPU | FULL_RST;
break;
+ case SYSRESET_POWER_OFF:
+ ret = pch_sysreset_power_off(dev);
+ if (ret)
+ return ret;
+ return -EINPROGRESS;
default:
return -ENOSYS;
}
@@ -33,17 +98,29 @@ static __efi_runtime int x86_sysreset_request(struct udevice *dev,
return -EINPROGRESS;
}
+static int x86_sysreset_get_last(struct udevice *dev)
+{
+ return SYSRESET_POWER;
+}
+
#ifdef CONFIG_EFI_LOADER
void __efi_runtime EFIAPI efi_reset_system(
enum efi_reset_type reset_type,
efi_status_t reset_status,
unsigned long data_size, void *reset_data)
{
+ int value;
+
+ /*
+ * inline this code since we are not caused in the context of a
+ * udevice and passing NULL to x86_sysreset_request() is too horrible.
+ */
if (reset_type == EFI_RESET_COLD ||
reset_type == EFI_RESET_PLATFORM_SPECIFIC)
- x86_sysreset_request(NULL, SYSRESET_COLD);
- else if (reset_type == EFI_RESET_WARM)
- x86_sysreset_request(NULL, SYSRESET_WARM);
+ value = SYS_RST | RST_CPU | FULL_RST;
+ else /* assume EFI_RESET_WARM since we cannot return an error */
+ value = SYS_RST | RST_CPU;
+ outb(value, IO_PORT_RESET);
/* TODO EFI_RESET_SHUTDOWN */
@@ -51,6 +128,15 @@ void __efi_runtime EFIAPI efi_reset_system(
}
#endif
+static int x86_sysreset_probe(struct udevice *dev)
+{
+ struct x86_sysreset_platdata *plat = dev_get_platdata(dev);
+
+ /* Locate the PCH if there is one. It isn't essential */
+ uclass_first_device(UCLASS_PCH, &plat->pch);
+
+ return 0;
+}
static const struct udevice_id x86_sysreset_ids[] = {
{ .compatible = "x86,reset" },
@@ -59,6 +145,7 @@ static const struct udevice_id x86_sysreset_ids[] = {
static struct sysreset_ops x86_sysreset_ops = {
.request = x86_sysreset_request,
+ .get_last = x86_sysreset_get_last,
};
U_BOOT_DRIVER(x86_sysreset) = {
@@ -66,4 +153,6 @@ U_BOOT_DRIVER(x86_sysreset) = {
.id = UCLASS_SYSRESET,
.of_match = x86_sysreset_ids,
.ops = &x86_sysreset_ops,
+ .probe = x86_sysreset_probe,
+ .platdata_auto_alloc_size = sizeof(struct x86_sysreset_platdata),
};
diff --git a/include/configs/chromebook_link.h b/include/configs/chromebook_link.h
index ca59276892..f26e463fe5 100644
--- a/include/configs/chromebook_link.h
+++ b/include/configs/chromebook_link.h
@@ -18,9 +18,6 @@
#define CONFIG_ENV_SECT_SIZE 0x1000
#define CONFIG_ENV_OFFSET 0x003f8000
-#define BOOT_DEVICE_SPI 10
-
#define CONFIG_SPL_BOARD_LOAD_IMAGE
-#define BOOT_DEVICE_BOARD 11
#endif /* __CONFIG_H */
diff --git a/include/configs/chromebook_samus.h b/include/configs/chromebook_samus.h
index ccb2fe8caa..2f7dd69fb8 100644
--- a/include/configs/chromebook_samus.h
+++ b/include/configs/chromebook_samus.h
@@ -23,4 +23,6 @@
#define CONFIG_ENV_SECT_SIZE 0x1000
#define CONFIG_ENV_OFFSET 0x003f8000
+#define CONFIG_TPL_TEXT_BASE 0xfffd8000
+
#endif /* __CONFIG_H */
diff --git a/include/configs/qemu-x86.h b/include/configs/qemu-x86.h
index 4cd1cac3bd..64e7a60b8a 100644
--- a/include/configs/qemu-x86.h
+++ b/include/configs/qemu-x86.h
@@ -33,11 +33,6 @@
#define CONFIG_SYS_ATA_IDE1_OFFSET 0x170
#define CONFIG_ATAPI
-/* SPI is not supported */
-
-#define BOOT_DEVICE_SPI 10
-
#define CONFIG_SPL_BOARD_LOAD_IMAGE
-#define BOOT_DEVICE_BOARD 11
#endif /* __CONFIG_H */
diff --git a/include/configs/x86-common.h b/include/configs/x86-common.h
index 4180b25f97..7fcf76a6bf 100644
--- a/include/configs/x86-common.h
+++ b/include/configs/x86-common.h
@@ -36,7 +36,6 @@
/*-----------------------------------------------------------------------
* Real Time Clock Configuration
*/
-#define CONFIG_RTC_MC146818
#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
#define CONFIG_SYS_ISA_IO CONFIG_SYS_ISA_IO_BASE_ADDRESS
diff --git a/include/pch.h b/include/pch.h
index 046a5fde3a..0b44b66df9 100644
--- a/include/pch.h
+++ b/include/pch.h
@@ -16,6 +16,9 @@ enum pch_req_t {
/* Returns HDA config info if Azalia V1CTL enabled, -ENOENT if not */
PCH_REQ_HDA_CONFIG,
+ /* Fills out a struct pch_pmbase_info if available */
+ PCH_REQ_PMBASE_INFO,
+
PCH_REQ_TEST1, /* Test requests for sandbox driver */
PCH_REQ_TEST2,
PCH_REQ_TEST3,
@@ -24,6 +27,21 @@ enum pch_req_t {
};
/**
+ * struct pch_pmbase_info - Information filled in by PCH_REQ_PMBASE_INFO
+ *
+ * @pmbase: IO address of power-management controller
+ * @gpio0_en_ofs: Offset of GPIO0 enable register
+ * @pm1_sts_ofs: Offset of status register
+ * @pm1_cnt_ofs: Offset of control register
+ */
+struct pch_pmbase_info {
+ u16 base;
+ u8 gpio0_en_ofs;
+ u8 pm1_sts_ofs;
+ u8 pm1_cnt_ofs;
+};
+
+/**
* struct pch_ops - Operations for the Platform Controller Hub
*
* Consider using ioctl() to add rarely used or driver-specific operations.
diff --git a/include/pci.h b/include/pci.h
index 066238a9c3..508f7bca81 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -546,11 +546,7 @@ extern void pci_cfgfunc_do_nothing(struct pci_controller* hose, pci_dev_t dev,
extern void pci_cfgfunc_config_device(struct pci_controller* hose, pci_dev_t dev,
struct pci_config_table *);
-#ifdef CONFIG_NR_DRAM_BANKS
-#define MAX_PCI_REGIONS (CONFIG_NR_DRAM_BANKS + 7)
-#else
-#define MAX_PCI_REGIONS 7
-#endif
+#define MAX_PCI_REGIONS 7
#define INDIRECT_TYPE_NO_PCIE_LINK 1
diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
index 56dbbe127b..7af6b120b6 100644
--- a/scripts/Makefile.spl
+++ b/scripts/Makefile.spl
@@ -228,7 +228,11 @@ ifeq ($(CONFIG_SYS_SOC),"at91")
ALL-y += $(obj)/boot.bin
endif
+ifdef CONFIG_TPL_BUILD
+ALL-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-tpl.bin
+else
ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
+endif
ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
@@ -253,8 +257,20 @@ else
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
endif
+# Build the .dtb file if:
+# - we are not using OF_PLATDATA
+# - we are using OF_CONTROL
+# - we have either OF_SEPARATE or OF_HOSTFILE
+build_dtb :=
+ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
+ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
+ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
+build_dtb := y
+endif
+endif
+endif
-ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
+ifneq ($(build_dtb),)
$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
$(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
$(FINAL_DTB_CONTAINER) FORCE
@@ -316,7 +332,7 @@ quiet_cmd_objcopy = OBJCOPY $@
cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
- $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
+ $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
$(call if_changed,objcopy)
@@ -325,6 +341,10 @@ OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
$(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
$(call if_changed,objcopy)
+OBJCOPYFLAGS_u-boot-x86-16bit-tpl.bin := -O binary -j .start16 -j .resetvec
+$(obj)/u-boot-x86-16bit-tpl.bin: $(obj)/u-boot-tpl FORCE
+ $(call if_changed,objcopy)
+
LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
diff --git a/tools/binman/README b/tools/binman/README
index 04ed2b799c..927fa856ac 100644
--- a/tools/binman/README
+++ b/tools/binman/README
@@ -342,6 +342,13 @@ size:
Sets the image size in bytes, for example 'size = <0x100000>' for a
1MB image.
+offset:
+ This is similar to 'offset' in entries, setting the offset of a section
+ within the image or section containing it. The first byte of the section
+ is normally at offset 0. If 'offset' is not provided, binman sets it to
+ the end of the previous region, or the start of the image's entry area
+ (normally 0) if there is no previous region.
+
align-size:
This sets the alignment of the image size. For example, to ensure
that the image ends on a 512-byte boundary, use 'align-size = <512>'.
diff --git a/tools/binman/bsection.py b/tools/binman/bsection.py
index ccf2920c5b..0ba542ee98 100644
--- a/tools/binman/bsection.py
+++ b/tools/binman/bsection.py
@@ -57,7 +57,7 @@ class Section(object):
self._name = name
self._node = node
self._image = image
- self._offset = 0
+ self._offset = None
self._size = None
self._align_size = None
self._pad_before = 0
@@ -75,6 +75,7 @@ class Section(object):
def _ReadNode(self):
"""Read properties from the section node"""
+ self._offset = fdt_util.GetInt(self._node, 'offset')
self._size = fdt_util.GetInt(self._node, 'size')
self._align_size = fdt_util.GetInt(self._node, 'align-size')
if tools.NotPowerOfTwo(self._align_size):
@@ -130,7 +131,7 @@ class Section(object):
entry.AddMissingProperties()
def SetCalculatedProperties(self):
- state.SetInt(self._node, 'offset', self._offset)
+ state.SetInt(self._node, 'offset', self._offset or 0)
state.SetInt(self._node, 'size', self._size)
image_pos = self._image_pos
if self._parent_section:
@@ -424,8 +425,8 @@ class Section(object):
Args:
fd: File to write the map to
"""
- Entry.WriteMapLine(fd, indent, self._name, self._offset, self._size,
- self._image_pos)
+ Entry.WriteMapLine(fd, indent, self._name, self._offset or 0,
+ self._size, self._image_pos)
for entry in self._entries.values():
entry.WriteMap(fd, indent + 1)
diff --git a/tools/binman/control.py b/tools/binman/control.py
index 3446e2e79c..b32e4e1996 100644
--- a/tools/binman/control.py
+++ b/tools/binman/control.py
@@ -133,8 +133,8 @@ def Binman(options, args):
if name not in options.image:
del images[name]
skip.append(name)
- if skip:
- print 'Skipping images: %s\n' % ', '.join(skip)
+ if skip and options.verbosity >= 2:
+ print 'Skipping images: %s' % ', '.join(skip)
state.Prepare(images, dtb)
diff --git a/tools/binman/etype/section.py b/tools/binman/etype/section.py
index 7f1b413604..3681a48468 100644
--- a/tools/binman/etype/section.py
+++ b/tools/binman/etype/section.py
@@ -67,7 +67,8 @@ class Entry_section(Entry):
def Pack(self, offset):
"""Pack all entries into the section"""
self._section.PackEntries()
- self._section.SetOffset(offset)
+ if self._section._offset is None:
+ self._section.SetOffset(offset)
self.size = self._section.GetSize()
return super(Entry_section, self).Pack(offset)
diff --git a/tools/binman/etype/text.py b/tools/binman/etype/text.py
index 6e99819487..c4aa510a87 100644
--- a/tools/binman/etype/text.py
+++ b/tools/binman/etype/text.py
@@ -51,10 +51,10 @@ class Entry_text(Entry):
self.text_label, = self.GetEntryArgsOrProps(
[EntryArg('text-label', str)])
self.value, = self.GetEntryArgsOrProps([EntryArg(self.text_label, str)])
+
+ def ObtainContents(self):
if not self.value:
self.Raise("No value provided for text label '%s'" %
self.text_label)
-
- def ObtainContents(self):
self.SetContents(self.value)
return True
diff --git a/tools/binman/etype/vblock.py b/tools/binman/etype/vblock.py
index c4d970ed16..334ff9f966 100644
--- a/tools/binman/etype/vblock.py
+++ b/tools/binman/etype/vblock.py
@@ -18,6 +18,7 @@ class Entry_vblock(Entry):
"""An entry which contains a Chromium OS verified boot block
Properties / Entry arguments:
+ - content: List of phandles to entries to sign
- keydir: Directory containing the public keys to use
- keyblock: Name of the key file to use (inside keydir)
- signprivate: Name of provide key file to use (inside keydir)
diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py
index e77fce5a26..daea1ea138 100644
--- a/tools/binman/ftest.py
+++ b/tools/binman/ftest.py
@@ -187,7 +187,8 @@ class TestFunctional(unittest.TestCase):
return control.Binman(options, args)
def _DoTestFile(self, fname, debug=False, map=False, update_dtb=False,
- entry_args=None, images=None, use_real_dtb=False):
+ entry_args=None, images=None, use_real_dtb=False,
+ verbosity=None):
"""Run binman with a given test file
Args:
@@ -210,6 +211,8 @@ class TestFunctional(unittest.TestCase):
args.append('-up')
if not use_real_dtb:
args.append('--fake-dtb')
+ if verbosity is not None:
+ args.append('-v%d' % verbosity)
if entry_args:
for arg, value in entry_args.iteritems():
args.append('-a%s=%s' % (arg, value))
@@ -1459,13 +1462,22 @@ class TestFunctional(unittest.TestCase):
def testSelectImage(self):
"""Test that we can select which images to build"""
- with test_util.capture_sys_output() as (stdout, stderr):
- retcode = self._DoTestFile('006_dual_image.dts', images=['image2'])
- self.assertEqual(0, retcode)
- self.assertIn('Skipping images: image1', stdout.getvalue())
+ expected = 'Skipping images: image1'
+
+ # We should only get the expected message in verbose mode
+ for verbosity in (None, 2):
+ with test_util.capture_sys_output() as (stdout, stderr):
+ retcode = self._DoTestFile('006_dual_image.dts',
+ verbosity=verbosity,
+ images=['image2'])
+ self.assertEqual(0, retcode)
+ if verbosity:
+ self.assertIn(expected, stdout.getvalue())
+ else:
+ self.assertNotIn(expected, stdout.getvalue())
- self.assertFalse(os.path.exists(tools.GetOutputFilename('image1.bin')))
- self.assertTrue(os.path.exists(tools.GetOutputFilename('image2.bin')))
+ self.assertFalse(os.path.exists(tools.GetOutputFilename('image1.bin')))
+ self.assertTrue(os.path.exists(tools.GetOutputFilename('image2.bin')))
def testUpdateFdtAll(self):
"""Test that all device trees are updated with offset/size info"""
@@ -1771,6 +1783,24 @@ class TestFunctional(unittest.TestCase):
data = self._DoReadFile('100_intel_refcode.dts')
self.assertEqual(REFCODE_DATA, data[:len(REFCODE_DATA)])
+ def testSectionOffset(self):
+ """Tests use of a section with an offset"""
+ data, _, map_data, _ = self._DoReadFileDtb('101_sections_offset.dts',
+ map=True)
+ self.assertEqual('''ImagePos Offset Size Name
+00000000 00000000 00000038 main-section
+00000004 00000004 00000010 section@0
+00000004 00000000 00000004 u-boot
+00000018 00000018 00000010 section@1
+00000018 00000000 00000004 u-boot
+0000002c 0000002c 00000004 section@2
+0000002c 00000000 00000004 u-boot
+''', map_data)
+ self.assertEqual(data,
+ 4 * chr(0x26) + U_BOOT_DATA + 12 * chr(0x21) +
+ 4 * chr(0x26) + U_BOOT_DATA + 12 * chr(0x61) +
+ 4 * chr(0x26) + U_BOOT_DATA + 8 * chr(0x26))
+
if __name__ == "__main__":
unittest.main()
diff --git a/tools/binman/test/101_sections_offset.dts b/tools/binman/test/101_sections_offset.dts
new file mode 100644
index 0000000000..46708ff9b6
--- /dev/null
+++ b/tools/binman/test/101_sections_offset.dts
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/dts-v1/;
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ binman {
+ pad-byte = <0x26>;
+ size = <0x38>;
+ section@0 {
+ read-only;
+ offset = <0x4>;
+ size = <0x10>;
+ pad-byte = <0x21>;
+
+ u-boot {
+ };
+ };
+ section@1 {
+ size = <0x10>;
+ pad-byte = <0x61>;
+ offset = <0x18>;
+
+ u-boot {
+ };
+ };
+ section@2 {
+ offset = <0x2c>;
+ u-boot {
+ };
+ };
+ };
+};