This adds the broadwell architecture, with the CPU driver and some useful header files.
Signed-off-by: Simon Glass sjg@chromium.org Acked-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v2: None
arch/x86/Kconfig | 1 + arch/x86/cpu/Makefile | 1 + arch/x86/cpu/broadwell/Kconfig | 30 ++ arch/x86/cpu/broadwell/Makefile | 7 + arch/x86/cpu/broadwell/cpu.c | 761 ++++++++++++++++++++++++++++ arch/x86/include/asm/arch-broadwell/cpu.h | 48 ++ arch/x86/include/asm/arch-broadwell/iomap.h | 53 ++ arch/x86/include/asm/arch-broadwell/me.h | 200 ++++++++ arch/x86/include/asm/arch-broadwell/rcb.h | 58 +++ arch/x86/include/asm/arch-broadwell/spi.h | 87 ++++ 10 files changed, 1246 insertions(+) create mode 100644 arch/x86/cpu/broadwell/Kconfig create mode 100644 arch/x86/cpu/broadwell/Makefile create mode 100644 arch/x86/cpu/broadwell/cpu.c create mode 100644 arch/x86/include/asm/arch-broadwell/cpu.h create mode 100644 arch/x86/include/asm/arch-broadwell/iomap.h create mode 100644 arch/x86/include/asm/arch-broadwell/me.h create mode 100644 arch/x86/include/asm/arch-broadwell/rcb.h create mode 100644 arch/x86/include/asm/arch-broadwell/spi.h
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1a9fa40..0b30883 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -34,6 +34,7 @@ source "board/intel/Kconfig"
# platform-specific options below source "arch/x86/cpu/baytrail/Kconfig" +source "arch/x86/cpu/broadwell/Kconfig" source "arch/x86/cpu/coreboot/Kconfig" source "arch/x86/cpu/ivybridge/Kconfig" source "arch/x86/cpu/qemu/Kconfig" diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile index 2583809..2667e0b 100644 --- a/arch/x86/cpu/Makefile +++ b/arch/x86/cpu/Makefile @@ -20,6 +20,7 @@ extra-y += call32.o
obj-y += intel_common/ obj-$(CONFIG_INTEL_BAYTRAIL) += baytrail/ +obj-$(CONFIG_INTEL_BROADWELL) += broadwell/ obj-$(CONFIG_SYS_COREBOOT) += coreboot/ obj-$(CONFIG_EFI_APP) += efi/ obj-$(CONFIG_QEMU) += qemu/ diff --git a/arch/x86/cpu/broadwell/Kconfig b/arch/x86/cpu/broadwell/Kconfig new file mode 100644 index 0000000..1ce3848 --- /dev/null +++ b/arch/x86/cpu/broadwell/Kconfig @@ -0,0 +1,30 @@ +# +# Copyright (C) 2016 Google Inc. +# +# SPDX-License-Identifier: GPL-2.0 + +config INTEL_BROADWELL + bool + select CACHE_MRC_BIN + +if INTEL_BROADWELL + +config DCACHE_RAM_BASE + default 0xff7c0000 + +config DCACHE_RAM_SIZE + default 0x40000 + +config DCACHE_RAM_MRC_VAR_SIZE + default 0x30000 + +config CPU_SPECIFIC_OPTIONS + def_bool y + select SMM_TSEG + select X86_RAMTEST + +config SMM_TSEG_SIZE + hex + default 0x800000 + +endif diff --git a/arch/x86/cpu/broadwell/Makefile b/arch/x86/cpu/broadwell/Makefile new file mode 100644 index 0000000..c7ef630 --- /dev/null +++ b/arch/x86/cpu/broadwell/Makefile @@ -0,0 +1,7 @@ +# +# Copyright (c) 2016 Google, Inc +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += cpu.o diff --git a/arch/x86/cpu/broadwell/cpu.c b/arch/x86/cpu/broadwell/cpu.c new file mode 100644 index 0000000..3ba21aa --- /dev/null +++ b/arch/x86/cpu/broadwell/cpu.c @@ -0,0 +1,761 @@ +/* + * Copyright (c) 2016 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0 + * + * 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, +}; + +int arch_cpu_init_dm(void) +{ + struct udevice *dev; + int ret; + + /* Start up the LPC so we have serial */ + ret = uclass_first_device(UCLASS_LPC, &dev); + if (ret) + return ret; + if (!dev) + return -ENODEV; + ret = cpu_set_flex_ratio_to_tdp_nominal(); + if (ret) + return ret; + + return 0; +} + +void set_max_freq(void) +{ + msr_t msr, perf_ctl, platform_info; + + /* Check for configurable TDP option */ + platform_info = msr_read(MSR_PLATFORM_INFO); + + if ((platform_info.hi >> 1) & 3) { + /* 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; + } + + perf_ctl.hi = 0; + msr_write(IA32_PERF_CTL, perf_ctl); + + debug("CPU: frequency set to %d MHz\n", + ((perf_ctl.lo >> 8) & 0xff) * CPU_BCLK); +} + +int arch_cpu_init(void) +{ + post_code(POST_CPU_INIT); + + return x86_cpu_init_f(); +} + +int print_cpuinfo(void) +{ + char processor_name[CPU_MAX_NAME_LEN]; + const char *name; + int ret; + + set_max_freq(); + + ret = cpu_common_init(); + if (ret) + return ret; + gd->arch.pei_boot_mode = PEI_BOOT_NONE; + + /* Print processor name */ + name = cpu_get_name(processor_name); + printf("CPU: %s\n", name); + + 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, "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, "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, + "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) +{ + 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, +}; + +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), +}; diff --git a/arch/x86/include/asm/arch-broadwell/cpu.h b/arch/x86/include/asm/arch-broadwell/cpu.h new file mode 100644 index 0000000..eb2046b --- /dev/null +++ b/arch/x86/include/asm/arch-broadwell/cpu.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2016 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __asm_arch_cpu_h +#define __asm_arch_cpu_h + +/* CPU types */ +#define HASWELL_FAMILY_ULT 0x40650 +#define BROADWELL_FAMILY_ULT 0x306d0 + +/* Supported CPUIDs */ +#define CPUID_HASWELL_A0 0x306c1 +#define CPUID_HASWELL_B0 0x306c2 +#define CPUID_HASWELL_C0 0x306c3 +#define CPUID_HASWELL_ULT_B0 0x40650 +#define CPUID_HASWELL_ULT 0x40651 +#define CPUID_HASWELL_HALO 0x40661 +#define CPUID_BROADWELL_C0 0x306d2 +#define CPUID_BROADWELL_D0 0x306d3 +#define CPUID_BROADWELL_E0 0x306d4 + +/* Broadwell bus clock is fixed at 100MHz */ +#define BROADWELL_BCLK 100 + +#define BROADWELL_FAMILY_ULT 0x306d0 + +#define CORE_THREAD_COUNT_MSR 0x35 + +#define MSR_VR_CURRENT_CONFIG 0x601 +#define MSR_VR_MISC_CONFIG 0x603 +#define MSR_PKG_POWER_SKU 0x614 +#define MSR_DDR_RAPL_LIMIT 0x618 +#define MSR_VR_MISC_CONFIG2 0x636 + +/* Latency times in units of 1024ns. */ +#define C_STATE_LATENCY_CONTROL_0_LIMIT 0x42 +#define C_STATE_LATENCY_CONTROL_1_LIMIT 0x73 +#define C_STATE_LATENCY_CONTROL_2_LIMIT 0x91 +#define C_STATE_LATENCY_CONTROL_3_LIMIT 0xe4 +#define C_STATE_LATENCY_CONTROL_4_LIMIT 0x145 +#define C_STATE_LATENCY_CONTROL_5_LIMIT 0x1ef + +void cpu_set_power_limits(int power_limit_1_time); + +#endif diff --git a/arch/x86/include/asm/arch-broadwell/iomap.h b/arch/x86/include/asm/arch-broadwell/iomap.h new file mode 100644 index 0000000..431bc23 --- /dev/null +++ b/arch/x86/include/asm/arch-broadwell/iomap.h @@ -0,0 +1,53 @@ +/* + * From Coreboot soc/intel/broadwell/include/soc/iomap.h + * + * Copyright (C) 2016 Google Inc. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef __asm_arch_iomap_h +#define __asm_arch_iomap_h + +#define MCFG_BASE_ADDRESS 0xf0000000 +#define MCFG_BASE_SIZE 0x4000000 + +#define HPET_BASE_ADDRESS 0xfed00000 + +#define MCH_BASE_ADDRESS 0xfed10000 +#define MCH_BASE_SIZE 0x8000 + +#define DMI_BASE_ADDRESS 0xfed18000 +#define DMI_BASE_SIZE 0x1000 + +#define EP_BASE_ADDRESS 0xfed19000 +#define EP_BASE_SIZE 0x1000 + +#define EDRAM_BASE_ADDRESS 0xfed80000 +#define EDRAM_BASE_SIZE 0x4000 + +#define GDXC_BASE_ADDRESS 0xfed84000 +#define GDXC_BASE_SIZE 0x1000 + +#define RCBA_BASE_ADDRESS 0xfed1c000 +#define RCBA_BASE_SIZE 0x4000 + +#define HPET_BASE_ADDRESS 0xfed00000 + +#define ACPI_BASE_ADDRESS 0x1000 +#define ACPI_BASE_SIZE 0x100 + +#define GPIO_BASE_ADDRESS 0x1400 +#define GPIO_BASE_SIZE 0x400 + +#define SMBUS_BASE_ADDRESS 0x0400 +#define SMBUS_BASE_SIZE 0x10 + +/* Temporary addresses used before relocation */ +#define EARLY_GTT_BAR 0xe0000000 +#define EARLY_XHCI_BAR 0xd7000000 +#define EARLY_EHCI_BAR 0xd8000000 +#define EARLY_UART_BAR 0x3f8 +#define EARLY_TEMP_MMIO 0xfed08000 + +#endif diff --git a/arch/x86/include/asm/arch-broadwell/me.h b/arch/x86/include/asm/arch-broadwell/me.h new file mode 100644 index 0000000..a66a8bb --- /dev/null +++ b/arch/x86/include/asm/arch-broadwell/me.h @@ -0,0 +1,200 @@ +/* + * From coreboot soc/intel/broadwell/include/soc/me.h + * + * Copyright (C) 2014 Google Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _asm_arch_me_h +#define _asm_arch_me_h + +#include <asm/me_common.h> + +#define ME_INIT_STATUS_SUCCESS_OTHER 3 /* SEE ME9 BWG */ + +#define ME_HSIO_MESSAGE (7 << 28) +#define ME_HSIO_CMD_GETHSIOVER 1 +#define ME_HSIO_CMD_CLOSE 0 + +/* + * Apparently the GMES register is renamed to HFS2 (or HFSTS2 according + * to ME9 BWG). Sadly the PCH EDS and the ME BWG do not match on nomenclature. + */ +#define PCI_ME_HFS2 0x48 +/* Infrastructure Progress Values */ +#define ME_HFS2_PHASE_ROM 0 +#define ME_HFS2_PHASE_BUP 1 +#define ME_HFS2_PHASE_UKERNEL 2 +#define ME_HFS2_PHASE_POLICY 3 +#define ME_HFS2_PHASE_MODULE_LOAD 4 +#define ME_HFS2_PHASE_UNKNOWN 5 +#define ME_HFS2_PHASE_HOST_COMM 6 +/* Current State - Based on Infra Progress values. */ +/* ROM State */ +#define ME_HFS2_STATE_ROM_BEGIN 0 +#define ME_HFS2_STATE_ROM_DISABLE 6 +/* BUP State */ +#define ME_HFS2_STATE_BUP_INIT 0 +#define ME_HFS2_STATE_BUP_DIS_HOST_WAKE 1 +#define ME_HFS2_STATE_BUP_FLOW_DET 4 +#define ME_HFS2_STATE_BUP_VSCC_ERR 8 +#define ME_HFS2_STATE_BUP_CHECK_STRAP 0xa +#define ME_HFS2_STATE_BUP_PWR_OK_TIMEOUT 0xb +#define ME_HFS2_STATE_BUP_MANUF_OVRD_STRAP 0xd +#define ME_HFS2_STATE_BUP_M3 0x11 +#define ME_HFS2_STATE_BUP_M0 0x12 +#define ME_HFS2_STATE_BUP_FLOW_DET_ERR 0x13 +#define ME_HFS2_STATE_BUP_M3_CLK_ERR 0x15 +#define ME_HFS2_STATE_BUP_CPU_RESET_DID_TIMEOUT_MEM_MISSING 0x17 +#define ME_HFS2_STATE_BUP_M3_KERN_LOAD 0x18 +#define ME_HFS2_STATE_BUP_T32_MISSING 0x1c +#define ME_HFS2_STATE_BUP_WAIT_DID 0x1f +#define ME_HFS2_STATE_BUP_WAIT_DID_FAIL 0x20 +#define ME_HFS2_STATE_BUP_DID_NO_FAIL 0x21 +#define ME_HFS2_STATE_BUP_ENABLE_UMA 0x22 +#define ME_HFS2_STATE_BUP_ENABLE_UMA_ERR 0x23 +#define ME_HFS2_STATE_BUP_SEND_DID_ACK 0x24 +#define ME_HFS2_STATE_BUP_SEND_DID_ACK_ERR 0x25 +#define ME_HFS2_STATE_BUP_M0_CLK 0x26 +#define ME_HFS2_STATE_BUP_M0_CLK_ERR 0x27 +#define ME_HFS2_STATE_BUP_TEMP_DIS 0x28 +#define ME_HFS2_STATE_BUP_M0_KERN_LOAD 0x32 +/* Policy Module State */ +#define ME_HFS2_STATE_POLICY_ENTRY 0 +#define ME_HFS2_STATE_POLICY_RCVD_S3 3 +#define ME_HFS2_STATE_POLICY_RCVD_S4 4 +#define ME_HFS2_STATE_POLICY_RCVD_S5 5 +#define ME_HFS2_STATE_POLICY_RCVD_UPD 6 +#define ME_HFS2_STATE_POLICY_RCVD_PCR 7 +#define ME_HFS2_STATE_POLICY_RCVD_NPCR 8 +#define ME_HFS2_STATE_POLICY_RCVD_HOST_WAKE 9 +#define ME_HFS2_STATE_POLICY_RCVD_AC_DC 0xa +#define ME_HFS2_STATE_POLICY_RCVD_DID 0xb +#define ME_HFS2_STATE_POLICY_VSCC_NOT_FOUND 0xc +#define ME_HFS2_STATE_POLICY_VSCC_INVALID 0xd +#define ME_HFS2_STATE_POLICY_FPB_ERR 0xe +#define ME_HFS2_STATE_POLICY_DESCRIPTOR_ERR 0xf +#define ME_HFS2_STATE_POLICY_VSCC_NO_MATCH 0x10 +/* Current PM Event Values */ +#define ME_HFS2_PMEVENT_CLEAN_MOFF_MX_WAKE 0 +#define ME_HFS2_PMEVENT_MOFF_MX_WAKE_ERROR 1 +#define ME_HFS2_PMEVENT_CLEAN_GLOBAL_RESET 2 +#define ME_HFS2_PMEVENT_CLEAN_GLOBAL_RESET_ERROR 3 +#define ME_HFS2_PMEVENT_CLEAN_ME_RESET 4 +#define ME_HFS2_PMEVENT_ME_RESET_EXCEPTION 5 +#define ME_HFS2_PMEVENT_PSEUDO_ME_RESET 6 +#define ME_HFS2_PMEVENT_S0MO_SXM3 7 +#define ME_HFS2_PMEVENT_SXM3_S0M0 8 +#define ME_HFS2_PMEVENT_NON_PWR_CYCLE_RESET 9 +#define ME_HFS2_PMEVENT_PWR_CYCLE_RESET_M3 0xa +#define ME_HFS2_PMEVENT_PWR_CYCLE_RESET_MOFF 0xb +#define ME_HFS2_PMEVENT_SXMX_SXMOFF 0xc + +struct me_hfs2 { + u32 bist_in_progress:1; + u32 reserved1:2; + u32 invoke_mebx:1; + u32 cpu_replaced_sts:1; + u32 mbp_rdy:1; + u32 mfs_failure:1; + u32 warm_reset_request:1; + u32 cpu_replaced_valid:1; + u32 reserved2:4; + u32 mbp_cleared:1; + u32 reserved3:2; + u32 current_state:8; + u32 current_pmevent:4; + u32 progress_code:4; +} __packed; + +#define PCI_ME_HFS5 0x68 + +#define PCI_ME_H_GS2 0x70 +#define PCI_ME_MBP_GIVE_UP 0x01 + +/* ICC Messages */ +#define ICC_SET_CLOCK_ENABLES 0x3 +#define ICC_API_VERSION_LYNXPOINT 0x00030000 + +struct icc_header { + u32 api_version; + u32 icc_command; + u32 icc_status; + u32 length; + u32 reserved; +} __packed; + +struct icc_clock_enables_msg { + u32 clock_enables; + u32 clock_mask; + u32 no_response:1; + u32 reserved:31; +} __packed; + +/* + * ME to BIOS Payload Datastructures and definitions. The ordering of the + * structures follows the ordering in the ME9 BWG. + */ + +#define MBP_APPID_KERNEL 1 +#define MBP_APPID_INTEL_AT 3 +#define MBP_APPID_HWA 4 +#define MBP_APPID_ICC 5 +#define MBP_APPID_NFC 6 +/* Kernel items: */ +#define MBP_KERNEL_FW_VER_ITEM 1 +#define MBP_KERNEL_FW_CAP_ITEM 2 +#define MBP_KERNEL_ROM_BIST_ITEM 3 +#define MBP_KERNEL_PLAT_KEY_ITEM 4 +#define MBP_KERNEL_FW_TYPE_ITEM 5 +#define MBP_KERNEL_MFS_FAILURE_ITEM 6 +#define MBP_KERNEL_PLAT_TIME_ITEM 7 +/* Intel AT items: */ +#define MBP_INTEL_AT_STATE_ITEM 1 +/* ICC Items: */ +#define MBP_ICC_PROFILE_ITEM 1 +/* HWA Items: */ +#define MBP_HWA_REQUEST_ITEM 1 +/* NFC Items: */ +#define MBP_NFC_SUPPORT_DATA_ITEM 1 + +#define MBP_MAKE_IDENT(appid, item) ((appid << 8) | item) +#define MBP_IDENT(appid, item) \ + MBP_MAKE_IDENT(MBP_APPID_##appid, MBP_##appid##_##item##_ITEM) + +struct mbp_fw_version_name { + u32 major_version:16; + u32 minor_version:16; + u32 hotfix_version:16; + u32 build_version:16; +} __packed; + +struct icc_address_mask { + u16 icc_start_address; + u16 mask; +} __packed; + +struct mbp_icc_profile { + u8 num_icc_profiles; + u8 icc_profile_soft_strap; + u8 icc_profile_index; + u8 reserved; + u32 icc_reg_bundles; + struct icc_address_mask icc_address_mask[0]; +} __packed; + +struct me_bios_payload { + struct mbp_fw_version_name *fw_version_name; + struct mbp_mefwcaps *fw_capabilities; + struct mbp_rom_bist_data *rom_bist_data; + struct mbp_platform_key *platform_key; + struct mbp_plat_type *fw_plat_type; + struct mbp_icc_profile *icc_profile; + struct mbp_at_state *at_state; + u32 *mfsintegrity; + struct mbp_plat_time *plat_time; + struct mbp_nfc_data *nfc_data; +}; + +#endif diff --git a/arch/x86/include/asm/arch-broadwell/rcb.h b/arch/x86/include/asm/arch-broadwell/rcb.h new file mode 100644 index 0000000..44fcddd --- /dev/null +++ b/arch/x86/include/asm/arch-broadwell/rcb.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2016 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __asm_arch_rcba_h +#define __asm_arch_rcba_h + +#define PMSYNC_CONFIG 0x33c4 /* 32bit */ +#define PMSYNC_CONFIG2 0x33cc /* 32bit */ + +#define DEEP_S3_POL 0x3328 /* 32bit */ +#define DEEP_S3_EN_AC (1 << 0) +#define DEEP_S3_EN_DC (1 << 1) +#define DEEP_S5_POL 0x3330 /* 32bit */ +#define DEEP_S5_EN_AC (1 << 14) +#define DEEP_S5_EN_DC (1 << 15) +#define DEEP_SX_CONFIG 0x3334 /* 32bit */ +#define DEEP_SX_WAKE_PIN_EN (1 << 2) +#define DEEP_SX_ACPRESENT_PD (1 << 1) +#define DEEP_SX_GP27_PIN_EN (1 << 0) +#define PMSYNC_CONFIG 0x33c4 /* 32bit */ +#define PMSYNC_CONFIG2 0x33cc /* 32bit */ + +#define RC 0x3400 /* 32bit */ +#define HPTC 0x3404 /* 32bit */ +#define GCS 0x3410 /* 32bit */ +#define BUC 0x3414 /* 32bit */ +#define PCH_DISABLE_GBE (1 << 5) +#define FD 0x3418 /* 32bit */ +#define FDSW 0x3420 /* 8bit */ +#define DISPBDF 0x3424 /* 16bit */ +#define FD2 0x3428 /* 32bit */ +#define CG 0x341c /* 32bit */ + +/* Function Disable 1 RCBA 0x3418 */ +#define PCH_DISABLE_ALWAYS (1 << 0) +#define PCH_DISABLE_ADSPD (1 << 1) +#define PCH_DISABLE_SATA1 (1 << 2) +#define PCH_DISABLE_SMBUS (1 << 3) +#define PCH_DISABLE_HD_AUDIO (1 << 4) +#define PCH_DISABLE_EHCI2 (1 << 13) +#define PCH_DISABLE_LPC (1 << 14) +#define PCH_DISABLE_EHCI1 (1 << 15) +#define PCH_DISABLE_PCIE(x) (1 << (16 + x)) +#define PCH_DISABLE_THERMAL (1 << 24) +#define PCH_DISABLE_SATA2 (1 << 25) +#define PCH_DISABLE_XHCI (1 << 27) + +/* Function Disable 2 RCBA 0x3428 */ +#define PCH_DISABLE_KT (1 << 4) +#define PCH_DISABLE_IDER (1 << 3) +#define PCH_DISABLE_MEI2 (1 << 2) +#define PCH_DISABLE_MEI1 (1 << 1) +#define PCH_ENABLE_DBDF (1 << 0) + +#endif diff --git a/arch/x86/include/asm/arch-broadwell/spi.h b/arch/x86/include/asm/arch-broadwell/spi.h new file mode 100644 index 0000000..aeb4926 --- /dev/null +++ b/arch/x86/include/asm/arch-broadwell/spi.h @@ -0,0 +1,87 @@ +/* + * Copyright (C) 2014 Google Inc. + * + * This file is from coreboot soc/intel/broadwell/include/soc/spi.h + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _BROADWELL_SPI_H_ +#define _BROADWELL_SPI_H_ + +/* + * SPI Opcode Menu setup for SPIBAR lockdown + * should support most common flash chips. + */ + +#define SPIBAR_OFFSET 0x3800 +#define SPI_REG(x) (RCB_REG(SPIBAR_OFFSET + (x))) + +/* Reigsters within the SPIBAR */ +#define SPIBAR_SSFC 0x91 +#define SPIBAR_FDOC 0xb0 +#define SPIBAR_FDOD 0xb4 + +#define SPIBAR_PREOP 0x94 +#define SPIBAR_OPTYPE 0x96 +#define SPIBAR_OPMENU_LOWER 0x98 +#define SPIBAR_OPMENU_UPPER 0x9c + +#define SPI_OPMENU_0 0x01 /* WRSR: Write Status Register */ +#define SPI_OPTYPE_0 0x01 /* Write, no address */ + +#define SPI_OPMENU_1 0x02 /* BYPR: Byte Program */ +#define SPI_OPTYPE_1 0x03 /* Write, address required */ + +#define SPI_OPMENU_2 0x03 /* READ: Read Data */ +#define SPI_OPTYPE_2 0x02 /* Read, address required */ + +#define SPI_OPMENU_3 0x05 /* RDSR: Read Status Register */ +#define SPI_OPTYPE_3 0x00 /* Read, no address */ + +#define SPI_OPMENU_4 0x20 /* SE20: Sector Erase 0x20 */ +#define SPI_OPTYPE_4 0x03 /* Write, address required */ + +#define SPI_OPMENU_5 0x9f /* RDID: Read ID */ +#define SPI_OPTYPE_5 0x00 /* Read, no address */ + +#define SPI_OPMENU_6 0xd8 /* BED8: Block Erase 0xd8 */ +#define SPI_OPTYPE_6 0x03 /* Write, address required */ + +#define SPI_OPMENU_7 0x0b /* FAST: Fast Read */ +#define SPI_OPTYPE_7 0x02 /* Read, address required */ + +#define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \ + (SPI_OPMENU_5 << 8) | SPI_OPMENU_4) +#define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \ + (SPI_OPMENU_1 << 8) | SPI_OPMENU_0) + +#define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \ + (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) | \ + (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) | \ + (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0)) + +#define SPI_OPPREFIX ((0x50 << 8) | 0x06) /* EWSR and WREN */ + +#define SPIBAR_HSFS 0x04 /* SPI hardware sequence status */ +#define SPIBAR_HSFS_FLOCKDN (1 << 15)/* Flash Configuration Lock-Down */ +#define SPIBAR_HSFS_SCIP (1 << 5) /* SPI Cycle In Progress */ +#define SPIBAR_HSFS_AEL (1 << 2) /* SPI Access Error Log */ +#define SPIBAR_HSFS_FCERR (1 << 1) /* SPI Flash Cycle Error */ +#define SPIBAR_HSFS_FDONE (1 << 0) /* SPI Flash Cycle Done */ +#define SPIBAR_HSFC 0x06 /* SPI hardware sequence control */ +#define SPIBAR_HSFC_BYTE_COUNT(c) (((c - 1) & 0x3f) << 8) +#define SPIBAR_HSFC_CYCLE_READ (0 << 1) /* Read cycle */ +#define SPIBAR_HSFC_CYCLE_WRITE (2 << 1) /* Write cycle */ +#define SPIBAR_HSFC_CYCLE_ERASE (3 << 1) /* Erase cycle */ +#define SPIBAR_HSFC_GO (1 << 0) /* GO: start SPI transaction */ +#define SPIBAR_FADDR 0x08 /* SPI flash address */ +#define SPIBAR_FDATA(n) (0x10 + (4 * n)) /* SPI flash data */ +#define SPIBAR_SSFS 0x90 +#define SPIBAR_SSFS_ERROR (1 << 3) +#define SPIBAR_SSFS_DONE (1 << 2) +#define SPIBAR_SSFC 0x91 +#define SPIBAR_SSFC_DATA (1 << 14) +#define SPIBAR_SSFC_GO (1 << 1) + +#endif