diff options
Diffstat (limited to 'src/soc/intel/icelake/bootblock')
| -rw-r--r-- | src/soc/intel/icelake/bootblock/bootblock.c | 43 | ||||
| -rw-r--r-- | src/soc/intel/icelake/bootblock/cpu.c | 26 | ||||
| -rw-r--r-- | src/soc/intel/icelake/bootblock/pch.c | 210 | ||||
| -rw-r--r-- | src/soc/intel/icelake/bootblock/report_platform.c | 212 |
4 files changed, 491 insertions, 0 deletions
diff --git a/src/soc/intel/icelake/bootblock/bootblock.c b/src/soc/intel/icelake/bootblock/bootblock.c new file mode 100644 index 0000000000..40c2d41b7a --- /dev/null +++ b/src/soc/intel/icelake/bootblock/bootblock.c @@ -0,0 +1,43 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <bootblock_common.h> +#include <intelblocks/gspi.h> +#include <intelblocks/uart.h> +#include <soc/bootblock.h> +#include <soc/iomap.h> +#include <soc/pch.h> + +asmlinkage void bootblock_c_entry(uint64_t base_timestamp) +{ + /* Call lib/bootblock.c main */ + bootblock_main_with_timestamp(base_timestamp, NULL, 0); +} + +void bootblock_soc_early_init(void) +{ + bootblock_systemagent_early_init(); + bootblock_pch_early_init(); + bootblock_cpu_init(); + pch_early_iorange_init(); + if (IS_ENABLED(CONFIG_UART_DEBUG)) + uart_bootblock_init(); +} + +void bootblock_soc_init(void) +{ + report_platform_info(); + pch_early_init(); +} diff --git a/src/soc/intel/icelake/bootblock/cpu.c b/src/soc/intel/icelake/bootblock/cpu.c new file mode 100644 index 0000000000..f02b09027a --- /dev/null +++ b/src/soc/intel/icelake/bootblock/cpu.c @@ -0,0 +1,26 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <intelblocks/cpulib.h> +#include <intelblocks/fast_spi.h> +#include <soc/bootblock.h> + +void bootblock_cpu_init(void) +{ + /* Temporarily cache the memory-mapped boot media. */ + if (IS_ENABLED(CONFIG_BOOT_DEVICE_MEMORY_MAPPED) && + IS_ENABLED(CONFIG_BOOT_DEVICE_SPI_FLASH)) + fast_spi_cache_bios_region(); +} diff --git a/src/soc/intel/icelake/bootblock/pch.c b/src/soc/intel/icelake/bootblock/pch.c new file mode 100644 index 0000000000..269e2a3c2b --- /dev/null +++ b/src/soc/intel/icelake/bootblock/pch.c @@ -0,0 +1,210 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci_ids.h> +#include <intelblocks/fast_spi.h> +#include <intelblocks/gspi.h> +#include <intelblocks/lpc_lib.h> +#include <intelblocks/p2sb.h> +#include <intelblocks/pcr.h> +#include <intelblocks/pmclib.h> +#include <intelblocks/rtc.h> +#include <intelblocks/smbus.h> +#include <soc/bootblock.h> +#include <soc/iomap.h> +#include <soc/lpc.h> +#include <soc/p2sb.h> +#include <soc/pch.h> +#include <soc/pci_devs.h> +#include <soc/pcr_ids.h> +#include <soc/pm.h> +#include <soc/smbus.h> + +#define PCR_PSF3_TO_SHDW_PMC_REG_BASE_CNP_LP 0x1400 +#define PCR_PSF3_TO_SHDW_PMC_REG_BASE_CNP_H 0x0980 + +#define PCR_PSFX_TO_SHDW_BAR0 0 +#define PCR_PSFX_TO_SHDW_BAR1 0x4 +#define PCR_PSFX_TO_SHDW_BAR2 0x8 +#define PCR_PSFX_TO_SHDW_BAR3 0xC +#define PCR_PSFX_TO_SHDW_BAR4 0x10 +#define PCR_PSFX_TO_SHDW_PCIEN_IOEN 0x01 +#define PCR_PSFX_T0_SHDW_PCIEN 0x1C + +#define PCR_DMI_ACPIBA 0x27B4 +#define PCR_DMI_ACPIBDID 0x27B8 +#define PCR_DMI_PMBASEA 0x27AC +#define PCR_DMI_PMBASEC 0x27B0 +#define PCR_DMI_TCOBASE 0x2778 +/* Enable TCO I/O range decode. */ +#define TCOEN (1 << 1) + +#define PCR_DMI_LPCIOD 0x2770 +#define PCR_DMI_LPCIOE 0x2774 + +static uint32_t get_pmc_reg_base(void) +{ + uint8_t pch_series; + + pch_series = get_pch_series(); + + if (pch_series == PCH_H) + return PCR_PSF3_TO_SHDW_PMC_REG_BASE_CNP_H; + else if (pch_series == PCH_LP) + return PCR_PSF3_TO_SHDW_PMC_REG_BASE_CNP_LP; + else + return 0; +} + +static void soc_config_pwrmbase(void) +{ + uint32_t reg32; + + /* + * Assign Resources to PWRMBASE + * Clear BIT 1-2 Command Register + */ + reg32 = pci_read_config32(PCH_DEV_PMC, PCI_COMMAND); + reg32 &= ~(PCI_COMMAND_MEMORY); + pci_write_config32(PCH_DEV_PMC, PCI_COMMAND, reg32); + + /* Program PWRM Base */ + pci_write_config32(PCH_DEV_PMC, PWRMBASE, PCH_PWRM_BASE_ADDRESS); + + /* Enable Bus Master and MMIO Space */ + reg32 = pci_read_config32(PCH_DEV_PMC, PCI_COMMAND); + reg32 |= PCI_COMMAND_MEMORY; + pci_write_config32(PCH_DEV_PMC, PCI_COMMAND, reg32); + + /* Enable PWRM in PMC */ + reg32 = read32((void *)(PCH_PWRM_BASE_ADDRESS + ACTL)); + write32((void *)(PCH_PWRM_BASE_ADDRESS + ACTL), reg32 | PWRM_EN); +} + +void bootblock_pch_early_init(void) +{ + fast_spi_early_init(SPI_BASE_ADDRESS); + gspi_early_bar_init(); + p2sb_enable_bar(); + p2sb_configure_hpet(); + + /* + * Enabling PWRM Base for accessing + * Global Reset Cause Register. + */ + soc_config_pwrmbase(); +} + + +static void soc_config_acpibase(void) +{ + uint32_t pmc_reg_value; + uint32_t pmc_base_reg; + + pmc_base_reg = get_pmc_reg_base(); + if (!pmc_base_reg) + die("Invalid PMC base address\n"); + + pmc_reg_value = pcr_read32(PID_PSF3, pmc_base_reg + + PCR_PSFX_TO_SHDW_BAR4); + + if (pmc_reg_value != 0xFFFFFFFF) { + /* Disable Io Space before changing the address */ + pcr_rmw32(PID_PSF3, pmc_base_reg + + PCR_PSFX_T0_SHDW_PCIEN, + ~PCR_PSFX_TO_SHDW_PCIEN_IOEN, 0); + /* Program ABASE in PSF3 PMC space BAR4*/ + pcr_write32(PID_PSF3, pmc_base_reg + + PCR_PSFX_TO_SHDW_BAR4, + ACPI_BASE_ADDRESS); + /* Enable IO Space */ + pcr_rmw32(PID_PSF3, pmc_base_reg + + PCR_PSFX_T0_SHDW_PCIEN, + ~0, PCR_PSFX_TO_SHDW_PCIEN_IOEN); + } +} + +static void soc_config_tco(void) +{ + uint32_t reg32; + uint16_t tcobase; + uint16_t tcocnt; + + /* Disable TCO in SMBUS Device first before changing Base Address */ + reg32 = pci_read_config32(PCH_DEV_SMBUS, TCOCTL); + reg32 &= ~TCO_BASE_EN; + pci_write_config32(PCH_DEV_SMBUS, TCOCTL, reg32); + + /* Program TCO Base */ + tcobase = TCO_BASE_ADDRESS; + pci_write_config32(PCH_DEV_SMBUS, TCOBASE, tcobase); + + /* Enable TCO in SMBUS */ + pci_write_config32(PCH_DEV_SMBUS, TCOCTL, reg32 | TCO_BASE_EN); + + /* + * Program "TCO Base Address" PCR[DMI] + 2778h[15:5, 1] + */ + pcr_write32(PID_DMI, PCR_DMI_TCOBASE, tcobase | TCOEN); + + /* Program TCO timer halt */ + tcocnt = inw(tcobase + TCO1_CNT); + tcocnt |= TCO_TMR_HLT; + outw(tcocnt, tcobase + TCO1_CNT); +} + +void pch_early_iorange_init(void) +{ + uint16_t dec_rng, dec_en = 0; + + /* IO Decode Range */ + if (IS_ENABLED(CONFIG_DRIVERS_UART_8250IO) && + IS_ENABLED(CONFIG_UART_DEBUG)) { + dec_rng = COMA_RANGE | (COMB_RANGE << 4); + dec_en = COMA_LPC_EN | COMB_LPC_EN; + pci_write_config16(PCH_DEV_LPC, LPC_IO_DEC, dec_rng); + pcr_write16(PID_DMI, PCR_DMI_LPCIOD, dec_rng); + } + + /* IO Decode Enable */ + dec_en |= SE_LPC_EN | KBC_LPC_EN | MC1_LPC_EN | GAMEL_LPC_EN; + pci_write_config16(PCH_DEV_LPC, LPC_EN, dec_en); + pcr_write16(PID_DMI, PCR_DMI_LPCIOE, dec_en); + + /* Program generic IO Decode Range */ + pch_enable_lpc(); +} + +void pch_early_init(void) +{ + /* + * Enabling ABASE for accessing PM1_STS, PM1_EN, PM1_CNT, + * GPE0_STS, GPE0_EN registers. + */ + soc_config_acpibase(); + + /* Programming TCO_BASE_ADDRESS and TCO Timer Halt */ + soc_config_tco(); + + /* Program SMBUS_BASE_ADDRESS and Enable it */ + smbus_common_init(); + + /* Set up GPE configuration */ + pmc_gpe_init(); + + enable_rtc_upper_bank(); +} diff --git a/src/soc/intel/icelake/bootblock/report_platform.c b/src/soc/intel/icelake/bootblock/report_platform.c new file mode 100644 index 0000000000..9df6a1ef84 --- /dev/null +++ b/src/soc/intel/icelake/bootblock/report_platform.c @@ -0,0 +1,212 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <arch/cpu.h> +#include <arch/io.h> +#include <console/console.h> +#include <cpu/x86/msr.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <intelblocks/mp_init.h> +#include <soc/bootblock.h> +#include <soc/pch.h> +#include <soc/pci_devs.h> +#include <string.h> + +#define BIOS_SIGN_ID 0x8B + +static struct { + u32 cpuid; + const char *name; +} cpu_table[] = { + { CPUID_CANNONLAKE_A0, "Cannonlake A0" }, + { CPUID_CANNONLAKE_B0, "Cannonlake B0" }, + { CPUID_CANNONLAKE_C0, "Cannonlake C0" }, + { CPUID_CANNONLAKE_D0, "Cannonlake D0" }, + { CPUID_COFFEELAKE_D0, "Coffeelake D0" }, + { CPUID_WHISKEYLAKE_W0, "Whiskeylake W0"}, + { CPUID_COFFEELAKE_U0, "Coffeelake U0 (6+2)" }, +}; + +static struct { + u16 mchid; + const char *name; +} mch_table[] = { + { PCI_DEVICE_ID_INTEL_CNL_ID_U, "Cannonlake-U" }, + { PCI_DEVICE_ID_INTEL_CNL_ID_Y, "Cannonlake-Y" }, + { PCI_DEVICE_ID_INTEL_CFL_ID_U, "Coffeelake U (4+3e)"}, + { PCI_DEVICE_ID_INTEL_WHL_ID_Wx4, "Whiskeylake W (4+2)"}, + { PCI_DEVICE_ID_INTEL_WHL_ID_Wx2, "Whiskeylake W (2+2)"}, + { PCI_DEVICE_ID_INTEL_CFL_ID_H, "Coffeelake-H" }, + { PCI_DEVICE_ID_INTEL_CFL_ID_S, "Coffeelake-S" }, +}; + +static struct { + u16 lpcid; + const char *name; +} pch_table[] = { + { PCI_DEVICE_ID_INTEL_CNL_BASE_U_LPC, "Cannonlake-U Base" }, + { PCI_DEVICE_ID_INTEL_CNL_U_PREMIUM_LPC, "Cannonlake-U Premium" }, + { PCI_DEVICE_ID_INTEL_CNL_Y_PREMIUM_LPC, "Cannonlake-Y Premium" }, + { PCI_DEVICE_ID_INTEL_CNP_H_LPC_Q370, "Cannonlake-H Q370" }, + { PCI_DEVICE_ID_INTEL_CNP_H_LPC_QM370, "Cannonlake-H QM370" }, +}; + +static struct { + u16 igdid; + const char *name; +} igd_table[] = { + { PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_1, "Cannonlake ULX GT2" }, + { PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_2, "Cannonlake ULX GT1.5" }, + { PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_3, "Cannonlake ULX GT1" }, + { PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_4, "Cannonlake ULX GT0.5" }, + { PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_1, "Cannonlake ULT GT2" }, + { PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_2, "Cannonlake ULT GT1.5" }, + { PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_3, "Cannonlake ULT GT1" }, + { PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_4, "Cannonlake ULT GT0.5" }, + { PCI_DEVICE_ID_INTEL_CFL_GT2_ULT, "Coffeelake ULT GT2"}, + { PCI_DEVICE_ID_INTEL_WHL_GT2_ULT_1, "Whiskeylake ULT GT1"}, + { PCI_DEVICE_ID_INTEL_CFL_H_GT2, "Coffeelake-H GT2" }, + { PCI_DEVICE_ID_INTEL_CFL_S_GT2, "Coffeelake-S GT2" }, +}; + +static uint8_t get_dev_revision(pci_devfn_t dev) +{ + return pci_read_config8(dev, PCI_REVISION_ID); +} + +static uint16_t get_dev_id(pci_devfn_t dev) +{ + return pci_read_config16(dev, PCI_DEVICE_ID); +} + +static void report_cpu_info(void) +{ + struct cpuid_result cpuidr; + u32 i, index; + char cpu_string[50], *cpu_name = cpu_string; /* 48 bytes are reported */ + int vt, txt, aes; + msr_t microcode_ver; + static const char *const mode[] = {"NOT ", ""}; + const char *cpu_type = "Unknown"; + u32 p[13]; + + index = 0x80000000; + cpuidr = cpuid(index); + if (cpuidr.eax < 0x80000004) { + strcpy(cpu_string, "Platform info not available"); + } else { + int j = 0; + + for (i = 2; i <= 4; i++) { + cpuidr = cpuid(index + i); + p[j++] = cpuidr.eax; + p[j++] = cpuidr.ebx; + p[j++] = cpuidr.ecx; + p[j++] = cpuidr.edx; + } + p[12] = 0; + cpu_name = (char *)p; + } + /* Skip leading spaces in CPU name string */ + while (cpu_name[0] == ' ') + cpu_name++; + + microcode_ver.lo = 0; + microcode_ver.hi = 0; + wrmsr(BIOS_SIGN_ID, microcode_ver); + cpuidr = cpuid(1); + microcode_ver = rdmsr(BIOS_SIGN_ID); + + /* Look for string to match the name */ + for (i = 0; i < ARRAY_SIZE(cpu_table); i++) { + if (cpu_table[i].cpuid == cpuidr.eax) { + cpu_type = cpu_table[i].name; + break; + } + } + + printk(BIOS_DEBUG, "CPU: %s\n", cpu_name); + printk(BIOS_DEBUG, "CPU: ID %x, %s, ucode: %08x\n", + cpuidr.eax, cpu_type, microcode_ver.hi); + + aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0; + txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0; + vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0; + printk(BIOS_DEBUG, + "CPU: AES %ssupported, TXT %ssupported, VT %ssupported\n", + mode[aes], mode[txt], mode[vt]); +} + +static void report_mch_info(void) +{ + int i; + pci_devfn_t dev = SA_DEV_ROOT; + uint16_t mchid = get_dev_id(dev); + uint8_t mch_revision = get_dev_revision(dev); + const char *mch_type = "Unknown"; + + for (i = 0; i < ARRAY_SIZE(mch_table); i++) { + if (mch_table[i].mchid == mchid) { + mch_type = mch_table[i].name; + break; + } + } + + printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n", + mchid, mch_revision, mch_type); +} + +static void report_pch_info(void) +{ + int i; + pci_devfn_t dev = PCH_DEV_LPC; + uint16_t lpcid = get_dev_id(dev); + const char *pch_type = "Unknown"; + + for (i = 0; i < ARRAY_SIZE(pch_table); i++) { + if (pch_table[i].lpcid == lpcid) { + pch_type = pch_table[i].name; + break; + } + } + printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n", + lpcid, get_dev_revision(dev), pch_type); +} + +static void report_igd_info(void) +{ + int i; + pci_devfn_t dev = SA_DEV_IGD; + uint16_t igdid = get_dev_id(dev); + const char *igd_type = "Unknown"; + + for (i = 0; i < ARRAY_SIZE(igd_table); i++) { + if (igd_table[i].igdid == igdid) { + igd_type = igd_table[i].name; + break; + } + } + printk(BIOS_DEBUG, "IGD: device id %04x (rev %02x) is %s\n", + igdid, get_dev_revision(dev), igd_type); +} + +void report_platform_info(void) +{ + report_cpu_info(); + report_mch_info(); + report_pch_info(); + report_igd_info(); +} |