diff options
64 files changed, 2063 insertions, 982 deletions
@@ -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 { + }; + }; + }; +}; |