diff options
Diffstat (limited to 'arch/x86/include/asm')
23 files changed, 1866 insertions, 14 deletions
diff --git a/arch/x86/include/asm/arch-coreboot/gpio.h b/arch/x86/include/asm/arch-coreboot/gpio.h index 3ec1816833..4951a8c957 100644 --- a/arch/x86/include/asm/arch-coreboot/gpio.h +++ b/arch/x86/include/asm/arch-coreboot/gpio.h @@ -7,9 +7,4 @@ #ifndef _X86_ARCH_GPIO_H_ #define _X86_ARCH_GPIO_H_ -struct ich6_bank_platdata { - uint32_t base_addr; - const char *bank_name; -}; - #endif /* _X86_ARCH_GPIO_H_ */ diff --git a/arch/x86/include/asm/arch-ivybridge/gpio.h b/arch/x86/include/asm/arch-ivybridge/gpio.h new file mode 100644 index 0000000000..4951a8c957 --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/gpio.h @@ -0,0 +1,10 @@ +/* + * Copyright (c) 2014, Google Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _X86_ARCH_GPIO_H_ +#define _X86_ARCH_GPIO_H_ + +#endif /* _X86_ARCH_GPIO_H_ */ diff --git a/arch/x86/include/asm/arch-ivybridge/me.h b/arch/x86/include/asm/arch-ivybridge/me.h new file mode 100644 index 0000000000..3a0809d6ec --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/me.h @@ -0,0 +1,356 @@ +/* + * From Coreboot src/southbridge/intel/bd82x6x/me.h + * + * Copyright (C) 2011 The Chromium OS Authors. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ASM_INTEL_ME_H +#define _ASM_INTEL_ME_H + +#include <linux/compiler.h> +#include <linux/types.h> + +#define ME_RETRY 100000 /* 1 second */ +#define ME_DELAY 10 /* 10 us */ + +/* + * Management Engine PCI registers + */ + +#define PCI_CPU_MEBASE_L 0x70 /* Set by MRC */ +#define PCI_CPU_MEBASE_H 0x74 /* Set by MRC */ + +#define PCI_ME_HFS 0x40 +#define ME_HFS_CWS_RESET 0 +#define ME_HFS_CWS_INIT 1 +#define ME_HFS_CWS_REC 2 +#define ME_HFS_CWS_NORMAL 5 +#define ME_HFS_CWS_WAIT 6 +#define ME_HFS_CWS_TRANS 7 +#define ME_HFS_CWS_INVALID 8 +#define ME_HFS_STATE_PREBOOT 0 +#define ME_HFS_STATE_M0_UMA 1 +#define ME_HFS_STATE_M3 4 +#define ME_HFS_STATE_M0 5 +#define ME_HFS_STATE_BRINGUP 6 +#define ME_HFS_STATE_ERROR 7 +#define ME_HFS_ERROR_NONE 0 +#define ME_HFS_ERROR_UNCAT 1 +#define ME_HFS_ERROR_IMAGE 3 +#define ME_HFS_ERROR_DEBUG 4 +#define ME_HFS_MODE_NORMAL 0 +#define ME_HFS_MODE_DEBUG 2 +#define ME_HFS_MODE_DIS 3 +#define ME_HFS_MODE_OVER_JMPR 4 +#define ME_HFS_MODE_OVER_MEI 5 +#define ME_HFS_BIOS_DRAM_ACK 1 +#define ME_HFS_ACK_NO_DID 0 +#define ME_HFS_ACK_RESET 1 +#define ME_HFS_ACK_PWR_CYCLE 2 +#define ME_HFS_ACK_S3 3 +#define ME_HFS_ACK_S4 4 +#define ME_HFS_ACK_S5 5 +#define ME_HFS_ACK_GBL_RESET 6 +#define ME_HFS_ACK_CONTINUE 7 + +struct me_hfs { + u32 working_state:4; + u32 mfg_mode:1; + u32 fpt_bad:1; + u32 operation_state:3; + u32 fw_init_complete:1; + u32 ft_bup_ld_flr:1; + u32 update_in_progress:1; + u32 error_code:4; + u32 operation_mode:4; + u32 reserved:4; + u32 boot_options_present:1; + u32 ack_data:3; + u32 bios_msg_ack:4; +} __packed; + +#define PCI_ME_UMA 0x44 + +struct me_uma { + u32 size:6; + u32 reserved_1:10; + u32 valid:1; + u32 reserved_0:14; + u32 set_to_one:1; +} __packed; + +#define PCI_ME_H_GS 0x4c +#define ME_INIT_DONE 1 +#define ME_INIT_STATUS_SUCCESS 0 +#define ME_INIT_STATUS_NOMEM 1 +#define ME_INIT_STATUS_ERROR 2 + +struct me_did { + u32 uma_base:16; + u32 reserved:8; + u32 status:4; + u32 init_done:4; +} __packed; + +#define PCI_ME_GMES 0x48 +#define ME_GMES_PHASE_ROM 0 +#define ME_GMES_PHASE_BUP 1 +#define ME_GMES_PHASE_UKERNEL 2 +#define ME_GMES_PHASE_POLICY 3 +#define ME_GMES_PHASE_MODULE 4 +#define ME_GMES_PHASE_UNKNOWN 5 +#define ME_GMES_PHASE_HOST 6 + +struct me_gmes { + u32 bist_in_prog:1; + u32 icc_prog_sts:2; + u32 invoke_mebx:1; + u32 cpu_replaced_sts:1; + u32 mbp_rdy:1; + u32 mfs_failure:1; + u32 warm_rst_req_for_df:1; + u32 cpu_replaced_valid:1; + u32 reserved_1:2; + u32 fw_upd_ipu:1; + u32 reserved_2:4; + u32 current_state:8; + u32 current_pmevent:4; + u32 progress_code:4; +} __packed; + +#define PCI_ME_HERES 0xbc +#define PCI_ME_EXT_SHA1 0x00 +#define PCI_ME_EXT_SHA256 0x02 +#define PCI_ME_HER(x) (0xc0+(4*(x))) + +struct me_heres { + u32 extend_reg_algorithm:4; + u32 reserved:26; + u32 extend_feature_present:1; + u32 extend_reg_valid:1; +} __packed; + +/* + * Management Engine MEI registers + */ + +#define MEI_H_CB_WW 0x00 +#define MEI_H_CSR 0x04 +#define MEI_ME_CB_RW 0x08 +#define MEI_ME_CSR_HA 0x0c + +struct mei_csr { + u32 interrupt_enable:1; + u32 interrupt_status:1; + u32 interrupt_generate:1; + u32 ready:1; + u32 reset:1; + u32 reserved:3; + u32 buffer_read_ptr:8; + u32 buffer_write_ptr:8; + u32 buffer_depth:8; +} __packed; + +#define MEI_ADDRESS_CORE 0x01 +#define MEI_ADDRESS_AMT 0x02 +#define MEI_ADDRESS_RESERVED 0x03 +#define MEI_ADDRESS_WDT 0x04 +#define MEI_ADDRESS_MKHI 0x07 +#define MEI_ADDRESS_ICC 0x08 +#define MEI_ADDRESS_THERMAL 0x09 + +#define MEI_HOST_ADDRESS 0 + +struct mei_header { + u32 client_address:8; + u32 host_address:8; + u32 length:9; + u32 reserved:6; + u32 is_complete:1; +} __packed; + +#define MKHI_GROUP_ID_CBM 0x00 +#define MKHI_GROUP_ID_FWCAPS 0x03 +#define MKHI_GROUP_ID_MDES 0x08 +#define MKHI_GROUP_ID_GEN 0xff + +#define MKHI_GLOBAL_RESET 0x0b + +#define MKHI_FWCAPS_GET_RULE 0x02 + +#define MKHI_MDES_ENABLE 0x09 + +#define MKHI_GET_FW_VERSION 0x02 +#define MKHI_END_OF_POST 0x0c +#define MKHI_FEATURE_OVERRIDE 0x14 + +struct mkhi_header { + u32 group_id:8; + u32 command:7; + u32 is_response:1; + u32 reserved:8; + u32 result:8; +} __packed; + +struct me_fw_version { + u16 code_minor; + u16 code_major; + u16 code_build_number; + u16 code_hot_fix; + u16 recovery_minor; + u16 recovery_major; + u16 recovery_build_number; + u16 recovery_hot_fix; +} __packed; + + +#define HECI_EOP_STATUS_SUCCESS 0x0 +#define HECI_EOP_PERFORM_GLOBAL_RESET 0x1 + +#define CBM_RR_GLOBAL_RESET 0x01 + +#define GLOBAL_RESET_BIOS_MRC 0x01 +#define GLOBAL_RESET_BIOS_POST 0x02 +#define GLOBAL_RESET_MEBX 0x03 + +struct me_global_reset { + u8 request_origin; + u8 reset_type; +} __packed; + +enum me_bios_path { + ME_NORMAL_BIOS_PATH, + ME_S3WAKE_BIOS_PATH, + ME_ERROR_BIOS_PATH, + ME_RECOVERY_BIOS_PATH, + ME_DISABLE_BIOS_PATH, + ME_FIRMWARE_UPDATE_BIOS_PATH, +}; + +struct __packed mbp_fw_version_name { + u32 major_version:16; + u32 minor_version:16; + u32 hotfix_version:16; + u32 build_version:16; +}; + +struct __packed mbp_icc_profile { + u8 num_icc_profiles; + u8 icc_profile_soft_strap; + u8 icc_profile_index; + u8 reserved; + u32 register_lock_mask[3]; +}; + +struct __packed mefwcaps_sku { + u32 full_net:1; + u32 std_net:1; + u32 manageability:1; + u32 small_business:1; + u32 l3manageability:1; + u32 intel_at:1; + u32 intel_cls:1; + u32 reserved:3; + u32 intel_mpc:1; + u32 icc_over_clocking:1; + u32 pavp:1; + u32 reserved_1:4; + u32 ipv6:1; + u32 kvm:1; + u32 och:1; + u32 vlan:1; + u32 tls:1; + u32 reserved_4:1; + u32 wlan:1; + u32 reserved_5:8; +}; + +struct __packed tdt_state_flag { + u16 lock_state:1; + u16 authenticate_module:1; + u16 s3authentication:1; + u16 flash_wear_out:1; + u16 flash_variable_security:1; + u16 wwan3gpresent:1; + u16 wwan3goob:1; + u16 reserved:9; +}; + +struct __packed tdt_state_info { + u8 state; + u8 last_theft_trigger; + struct tdt_state_flag flags; +}; + +struct __packed platform_type_rule_data { + u32 platform_target_usage_type:4; + u32 platform_target_market_type:2; + u32 super_sku:1; + u32 reserved:1; + u32 intel_me_fw_image_type:4; + u32 platform_brand:4; + u32 reserved_1:16; +}; + +struct __packed mbp_fw_caps { + struct mefwcaps_sku fw_capabilities; + u8 available; +}; + +struct __packed mbp_rom_bist_data { + u16 device_id; + u16 fuse_test_flags; + u32 umchid[4]; +}; + +struct __packed mbp_platform_key { + u32 key[8]; +}; + +struct __packed mbp_plat_type { + struct platform_type_rule_data rule_data; + u8 available; +}; + +struct __packed me_bios_payload { + struct mbp_fw_version_name fw_version_name; + struct mbp_fw_caps fw_caps_sku; + 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 tdt_state_info at_state; + u32 mfsintegrity; +}; + +struct __packed mbp_header { + u32 mbp_size:8; + u32 num_entries:8; + u32 rsvd:16; +}; + +struct __packed mbp_item_header { + u32 app_id:8; + u32 item_id:8; + u32 length:8; + u32 rsvd:8; +}; + +struct __packed me_fwcaps { + u32 id; + u8 length; + struct mefwcaps_sku caps_sku; + u8 reserved[3]; +}; + +/* Defined in me_status.c for both romstage and ramstage */ +void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes); + +void intel_early_me_status(void); +int intel_early_me_init(void); +int intel_early_me_uma_size(void); +int intel_early_me_init_done(u8 status); + +#endif diff --git a/arch/x86/include/asm/arch-ivybridge/microcode.h b/arch/x86/include/asm/arch-ivybridge/microcode.h new file mode 100644 index 0000000000..bc9b87c44c --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/microcode.h @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2015 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_MICROCODE_H +#define __ASM_ARCH_MICROCODE_H + +/** + * microcode_update_intel() - Apply microcode updates + * + * Applies any microcode updates in the device tree. + * + * @return 0 if OK, -EEXIST if the updates were already applied, -ENOENT if + * not updates were found, -EINVAL if an update was invalid + */ +int microcode_update_intel(void); + +#endif diff --git a/arch/x86/include/asm/arch-ivybridge/model_206ax.h b/arch/x86/include/asm/arch-ivybridge/model_206ax.h new file mode 100644 index 0000000000..8281d7a67b --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/model_206ax.h @@ -0,0 +1,82 @@ +/* + * From Coreboot file of the same name + * + * Copyright (C) 2011 The ChromiumOS Authors. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ASM_ARCH_MODEL_206AX_H +#define _ASM_ARCH_MODEL_206AX_H + +/* SandyBridge/IvyBridge bus clock is fixed at 100MHz */ +#define SANDYBRIDGE_BCLK 100 + +#define CPUID_VMX (1 << 5) +#define CPUID_SMX (1 << 6) +#define MSR_FEATURE_CONFIG 0x13c +#define MSR_FLEX_RATIO 0x194 +#define FLEX_RATIO_LOCK (1 << 20) +#define FLEX_RATIO_EN (1 << 16) +#define IA32_PLATFORM_DCA_CAP 0x1f8 +#define IA32_MISC_ENABLE 0x1a0 +#define MSR_TEMPERATURE_TARGET 0x1a2 +#define IA32_PERF_CTL 0x199 +#define IA32_THERM_INTERRUPT 0x19b +#define IA32_ENERGY_PERFORMANCE_BIAS 0x1b0 +#define ENERGY_POLICY_PERFORMANCE 0 +#define ENERGY_POLICY_NORMAL 6 +#define ENERGY_POLICY_POWERSAVE 15 +#define IA32_PACKAGE_THERM_INTERRUPT 0x1b2 +#define MSR_LT_LOCK_MEMORY 0x2e7 +#define IA32_MC0_STATUS 0x401 + +#define MSR_PIC_MSG_CONTROL 0x2e +#define PLATFORM_INFO_SET_TDP (1 << 29) + +#define MSR_MISC_PWR_MGMT 0x1aa +#define MISC_PWR_MGMT_EIST_HW_DIS (1 << 0) +#define MSR_TURBO_RATIO_LIMIT 0x1ad +#define MSR_POWER_CTL 0x1fc + +#define MSR_PKGC3_IRTL 0x60a +#define MSR_PKGC6_IRTL 0x60b +#define MSR_PKGC7_IRTL 0x60c +#define IRTL_VALID (1 << 15) +#define IRTL_1_NS (0 << 10) +#define IRTL_32_NS (1 << 10) +#define IRTL_1024_NS (2 << 10) +#define IRTL_32768_NS (3 << 10) +#define IRTL_1048576_NS (4 << 10) +#define IRTL_33554432_NS (5 << 10) +#define IRTL_RESPONSE_MASK (0x3ff) + +/* long duration in low dword, short duration in high dword */ +#define PKG_POWER_LIMIT_MASK 0x7fff +#define PKG_POWER_LIMIT_EN (1 << 15) +#define PKG_POWER_LIMIT_CLAMP (1 << 16) +#define PKG_POWER_LIMIT_TIME_SHIFT 17 +#define PKG_POWER_LIMIT_TIME_MASK 0x7f + +#define MSR_PP0_CURRENT_CONFIG 0x601 +#define PP0_CURRENT_LIMIT (112 << 3) /* 112 A */ +#define MSR_PP1_CURRENT_CONFIG 0x602 +#define PP1_CURRENT_LIMIT_SNB (35 << 3) /* 35 A */ +#define PP1_CURRENT_LIMIT_IVB (50 << 3) /* 50 A */ +#define MSR_PKG_POWER_SKU_UNIT 0x606 +#define MSR_PKG_POWER_SKU 0x614 + +#define IVB_CONFIG_TDP_MIN_CPUID 0x306a2 +#define MSR_CONFIG_TDP_NOMINAL 0x648 +#define MSR_CONFIG_TDP_LEVEL1 0x649 +#define MSR_CONFIG_TDP_LEVEL2 0x64a +#define MSR_CONFIG_TDP_CONTROL 0x64b +#define MSR_TURBO_ACTIVATION_RATIO 0x64c + +/* P-state configuration */ +#define PSS_MAX_ENTRIES 8 +#define PSS_RATIO_STEP 2 +#define PSS_LATENCY_TRANSITION 10 +#define PSS_LATENCY_BUSMASTER 10 + +#endif diff --git a/arch/x86/include/asm/arch-ivybridge/pch.h b/arch/x86/include/asm/arch-ivybridge/pch.h new file mode 100644 index 0000000000..c6efdb8565 --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/pch.h @@ -0,0 +1,356 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * From Coreboot src/southbridge/intel/bd82x6x/pch.h + * + * Copyright (C) 2008-2009 coresystems GmbH + * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ASM_ARCH_PCH_H +#define _ASM_ARCH_PCH_H + +#include <pci.h> + +#define DEFAULT_GPIOBASE 0x0480 +#define DEFAULT_PMBASE 0x0500 + +#define SMBUS_IO_BASE 0x0400 + +#define PCH_EHCI1_DEV PCI_BDF(0, 0x1d, 0) +#define PCH_EHCI2_DEV PCI_BDF(0, 0x1a, 0) +#define PCH_XHCI_DEV PCI_BDF(0, 0x14, 0) +#define PCH_ME_DEV PCI_BDF(0, 0x16, 0) +#define PCH_PCIE_DEV_SLOT 28 + +#define PCH_DEV PCI_BDF(0, 0, 0) +#define PCH_VIDEO_DEV PCI_BDF(0, 2, 0) + +/* PCI Configuration Space (D31:F0): LPC */ +#define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0) + +#define GEN_PMCON_1 0xa0 +#define GEN_PMCON_2 0xa2 +#define GEN_PMCON_3 0xa4 +#define ETR3 0xac +#define ETR3_CWORWRE (1 << 18) +#define ETR3_CF9GR (1 << 20) + +#define PMBASE 0x40 +#define ACPI_CNTL 0x44 +#define BIOS_CNTL 0xDC +#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */ +#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */ +#define GPIO_ROUT 0xb8 + +#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */ +#define LPC_EN 0x82 /* LPC IF Enables Register */ +#define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */ +#define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */ +#define MC_LPC_EN (1 << 11) /* 0x62/0x66 */ +#define KBC_LPC_EN (1 << 10) /* 0x60/0x64 */ +#define GAMEH_LPC_EN (1 << 9) /* 0x208/0x20f */ +#define GAMEL_LPC_EN (1 << 8) /* 0x200/0x207 */ +#define FDD_LPC_EN (1 << 3) /* LPC_IO_DEC[12] */ +#define LPT_LPC_EN (1 << 2) /* LPC_IO_DEC[9:8] */ +#define COMB_LPC_EN (1 << 1) /* LPC_IO_DEC[6:4] */ +#define COMA_LPC_EN (1 << 0) /* LPC_IO_DEC[3:2] */ +#define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */ +#define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */ +#define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */ +#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */ +#define LPC_GENX_DEC(x) (0x84 + 4 * (x)) + +/* PCI Configuration Space (D31:F3): SMBus */ +#define PCH_SMBUS_DEV PCI_BDF(0, 0x1f, 3) +#define SMB_BASE 0x20 +#define HOSTC 0x40 +#define SMB_RCV_SLVA 0x09 + +/* HOSTC bits */ +#define I2C_EN (1 << 2) +#define SMB_SMI_EN (1 << 1) +#define HST_EN (1 << 0) + +/* SMBus I/O bits. */ +#define SMBHSTSTAT 0x0 +#define SMBHSTCTL 0x2 +#define SMBHSTCMD 0x3 +#define SMBXMITADD 0x4 +#define SMBHSTDAT0 0x5 +#define SMBHSTDAT1 0x6 +#define SMBBLKDAT 0x7 +#define SMBTRNSADD 0x9 +#define SMBSLVDATA 0xa +#define SMLINK_PIN_CTL 0xe +#define SMBUS_PIN_CTL 0xf + +#define SMBUS_TIMEOUT (10 * 1000 * 100) + + +/* Root Complex Register Block */ +#define DEFAULT_RCBA 0xfed1c000 +#define RCB_REG(reg) (DEFAULT_RCBA + (reg)) + +#define PCH_RCBA_BASE 0xf0 + +#define VCH 0x0000 /* 32bit */ +#define VCAP1 0x0004 /* 32bit */ +#define VCAP2 0x0008 /* 32bit */ +#define PVC 0x000c /* 16bit */ +#define PVS 0x000e /* 16bit */ + +#define V0CAP 0x0010 /* 32bit */ +#define V0CTL 0x0014 /* 32bit */ +#define V0STS 0x001a /* 16bit */ + +#define V1CAP 0x001c /* 32bit */ +#define V1CTL 0x0020 /* 32bit */ +#define V1STS 0x0026 /* 16bit */ + +#define RCTCL 0x0100 /* 32bit */ +#define ESD 0x0104 /* 32bit */ +#define ULD 0x0110 /* 32bit */ +#define ULBA 0x0118 /* 64bit */ + +#define RP1D 0x0120 /* 32bit */ +#define RP1BA 0x0128 /* 64bit */ +#define RP2D 0x0130 /* 32bit */ +#define RP2BA 0x0138 /* 64bit */ +#define RP3D 0x0140 /* 32bit */ +#define RP3BA 0x0148 /* 64bit */ +#define RP4D 0x0150 /* 32bit */ +#define RP4BA 0x0158 /* 64bit */ +#define HDD 0x0160 /* 32bit */ +#define HDBA 0x0168 /* 64bit */ +#define RP5D 0x0170 /* 32bit */ +#define RP5BA 0x0178 /* 64bit */ +#define RP6D 0x0180 /* 32bit */ +#define RP6BA 0x0188 /* 64bit */ + +#define RPC 0x0400 /* 32bit */ +#define RPFN 0x0404 /* 32bit */ + +#define TRSR 0x1e00 /* 8bit */ +#define TRCR 0x1e10 /* 64bit */ +#define TWDR 0x1e18 /* 64bit */ + +#define IOTR0 0x1e80 /* 64bit */ +#define IOTR1 0x1e88 /* 64bit */ +#define IOTR2 0x1e90 /* 64bit */ +#define IOTR3 0x1e98 /* 64bit */ + +#define TCTL 0x3000 /* 8bit */ + +#define NOINT 0 +#define INTA 1 +#define INTB 2 +#define INTC 3 +#define INTD 4 + +#define DIR_IDR 12 /* Interrupt D Pin Offset */ +#define DIR_ICR 8 /* Interrupt C Pin Offset */ +#define DIR_IBR 4 /* Interrupt B Pin Offset */ +#define DIR_IAR 0 /* Interrupt A Pin Offset */ + +#define PIRQA 0 +#define PIRQB 1 +#define PIRQC 2 +#define PIRQD 3 +#define PIRQE 4 +#define PIRQF 5 +#define PIRQG 6 +#define PIRQH 7 + +/* IO Buffer Programming */ +#define IOBPIRI 0x2330 +#define IOBPD 0x2334 +#define IOBPS 0x2338 +#define IOBPS_RW_BX ((1 << 9)|(1 << 10)) +#define IOBPS_WRITE_AX ((1 << 9)|(1 << 10)) +#define IOBPS_READ_AX ((1 << 8)|(1 << 9)|(1 << 10)) + +#define D31IP 0x3100 /* 32bit */ +#define D31IP_TTIP 24 /* Thermal Throttle Pin */ +#define D31IP_SIP2 20 /* SATA Pin 2 */ +#define D31IP_SMIP 12 /* SMBUS Pin */ +#define D31IP_SIP 8 /* SATA Pin */ +#define D30IP 0x3104 /* 32bit */ +#define D30IP_PIP 0 /* PCI Bridge Pin */ +#define D29IP 0x3108 /* 32bit */ +#define D29IP_E1P 0 /* EHCI #1 Pin */ +#define D28IP 0x310c /* 32bit */ +#define D28IP_P8IP 28 /* PCI Express Port 8 */ +#define D28IP_P7IP 24 /* PCI Express Port 7 */ +#define D28IP_P6IP 20 /* PCI Express Port 6 */ +#define D28IP_P5IP 16 /* PCI Express Port 5 */ +#define D28IP_P4IP 12 /* PCI Express Port 4 */ +#define D28IP_P3IP 8 /* PCI Express Port 3 */ +#define D28IP_P2IP 4 /* PCI Express Port 2 */ +#define D28IP_P1IP 0 /* PCI Express Port 1 */ +#define D27IP 0x3110 /* 32bit */ +#define D27IP_ZIP 0 /* HD Audio Pin */ +#define D26IP 0x3114 /* 32bit */ +#define D26IP_E2P 0 /* EHCI #2 Pin */ +#define D25IP 0x3118 /* 32bit */ +#define D25IP_LIP 0 /* GbE LAN Pin */ +#define D22IP 0x3124 /* 32bit */ +#define D22IP_KTIP 12 /* KT Pin */ +#define D22IP_IDERIP 8 /* IDE-R Pin */ +#define D22IP_MEI2IP 4 /* MEI #2 Pin */ +#define D22IP_MEI1IP 0 /* MEI #1 Pin */ +#define D20IP 0x3128 /* 32bit */ +#define D20IP_XHCIIP 0 +#define D31IR 0x3140 /* 16bit */ +#define D30IR 0x3142 /* 16bit */ +#define D29IR 0x3144 /* 16bit */ +#define D28IR 0x3146 /* 16bit */ +#define D27IR 0x3148 /* 16bit */ +#define D26IR 0x314c /* 16bit */ +#define D25IR 0x3150 /* 16bit */ +#define D22IR 0x315c /* 16bit */ +#define D20IR 0x3160 /* 16bit */ +#define OIC 0x31fe /* 16bit */ + +#define SPI_FREQ_SWSEQ 0x3893 +#define SPI_DESC_COMP0 0x38b0 +#define SPI_FREQ_WR_ERA 0x38b4 +#define SOFT_RESET_CTRL 0x38f4 +#define SOFT_RESET_DATA 0x38f8 + +#define DIR_ROUTE(a, b, c, d) \ + (((d) << DIR_IDR) | ((c) << DIR_ICR) | \ + ((b) << DIR_IBR) | ((a) << DIR_IAR)) + +#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 DISPBDF 0x3424 /* 16bit */ +#define FD2 0x3428 /* 32bit */ +#define CG 0x341c /* 32bit */ + +/* Function Disable 1 RCBA 0x3418 */ +#define PCH_DISABLE_ALWAYS ((1 << 0)|(1 << 26)) +#define PCH_DISABLE_P2P (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) + +/* ICH7 GPIOBASE */ +#define GPIO_USE_SEL 0x00 +#define GP_IO_SEL 0x04 +#define GP_LVL 0x0c +#define GPO_BLINK 0x18 +#define GPI_INV 0x2c +#define GPIO_USE_SEL2 0x30 +#define GP_IO_SEL2 0x34 +#define GP_LVL2 0x38 +#define GPIO_USE_SEL3 0x40 +#define GP_IO_SEL3 0x44 +#define GP_LVL3 0x48 +#define GP_RST_SEL1 0x60 +#define GP_RST_SEL2 0x64 +#define GP_RST_SEL3 0x68 + +/* ICH7 PMBASE */ +#define PM1_STS 0x00 +#define WAK_STS (1 << 15) +#define PCIEXPWAK_STS (1 << 14) +#define PRBTNOR_STS (1 << 11) +#define RTC_STS (1 << 10) +#define PWRBTN_STS (1 << 8) +#define GBL_STS (1 << 5) +#define BM_STS (1 << 4) +#define TMROF_STS (1 << 0) +#define PM1_EN 0x02 +#define PCIEXPWAK_DIS (1 << 14) +#define RTC_EN (1 << 10) +#define PWRBTN_EN (1 << 8) +#define GBL_EN (1 << 5) +#define TMROF_EN (1 << 0) +#define PM1_CNT 0x04 +#define SLP_EN (1 << 13) +#define SLP_TYP (7 << 10) +#define SLP_TYP_S0 0 +#define SLP_TYP_S1 1 +#define SLP_TYP_S3 5 +#define SLP_TYP_S4 6 +#define SLP_TYP_S5 7 +#define GBL_RLS (1 << 2) +#define BM_RLD (1 << 1) +#define SCI_EN (1 << 0) +#define PM1_TMR 0x08 +#define PROC_CNT 0x10 +#define LV2 0x14 +#define LV3 0x15 +#define LV4 0x16 +#define PM2_CNT 0x50 /* mobile only */ +#define GPE0_STS 0x20 +#define PME_B0_STS (1 << 13) +#define PME_STS (1 << 11) +#define BATLOW_STS (1 << 10) +#define PCI_EXP_STS (1 << 9) +#define RI_STS (1 << 8) +#define SMB_WAK_STS (1 << 7) +#define TCOSCI_STS (1 << 6) +#define SWGPE_STS (1 << 2) +#define HOT_PLUG_STS (1 << 1) +#define GPE0_EN 0x28 +#define PME_B0_EN (1 << 13) +#define PME_EN (1 << 11) +#define TCOSCI_EN (1 << 6) +#define SMI_EN 0x30 +#define INTEL_USB2_EN (1 << 18) /* Intel-Specific USB2 SMI logic */ +#define LEGACY_USB2_EN (1 << 17) /* Legacy USB2 SMI logic */ +#define PERIODIC_EN (1 << 14) /* SMI on PERIODIC_STS in SMI_STS */ +#define TCO_EN (1 << 13) /* Enable TCO Logic (BIOSWE et al) */ +#define MCSMI_EN (1 << 11) /* Trap microcontroller range access */ +#define BIOS_RLS (1 << 7) /* asserts SCI on bit set */ +#define SWSMI_TMR_EN (1 << 6) /* start software smi timer on bit set */ +#define APMC_EN (1 << 5) /* Writes to APM_CNT cause SMI# */ +#define SLP_SMI_EN (1 << 4) /* Write SLP_EN in PM1_CNT asserts SMI# */ +#define LEGACY_USB_EN (1 << 3) /* Legacy USB circuit SMI logic */ +#define BIOS_EN (1 << 2) /* Assert SMI# on setting GBL_RLS bit */ +#define EOS (1 << 1) /* End of SMI (deassert SMI#) */ +#define GBL_SMI_EN (1 << 0) /* SMI# generation at all? */ +#define SMI_STS 0x34 +#define ALT_GP_SMI_EN 0x38 +#define ALT_GP_SMI_STS 0x3a +#define GPE_CNTL 0x42 +#define DEVACT_STS 0x44 +#define SS_CNT 0x50 +#define C3_RES 0x54 +#define TCO1_STS 0x64 +#define DMISCI_STS (1 << 9) +#define TCO2_STS 0x66 + +/** + * lpc_early_init() - set up LPC serial ports and other early things + * + * @blob: Device tree blob + * @node: Offset of LPC node + * @dev: PCH PCI device containing the LPC + * @return 0 if OK, -ve on error + */ +int lpc_early_init(const void *blob, int node, pci_dev_t dev); + +#endif diff --git a/arch/x86/include/asm/arch-ivybridge/pei_data.h b/arch/x86/include/asm/arch-ivybridge/pei_data.h new file mode 100644 index 0000000000..5026c8bab3 --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/pei_data.h @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2011, Google Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef ASM_ARCH_PEI_DATA_H +#define ASM_ARCH_PEI_DATA_H + +struct pch_usb3_controller_settings { + /* 0: Disable, 1: Enable, 2: Auto, 3: Smart Auto */ + uint16_t mode; + /* 4 bit mask, 1: switchable, 0: not switchable */ + uint16_t hs_port_switch_mask; + /* 0: No xHCI preOS driver, 1: xHCI preOS driver */ + uint16_t preboot_support; + /* 0: Disable, 1: Enable */ + uint16_t xhci_streams; +}; + +typedef asmlinkage void (*tx_byte_func)(unsigned char byte); + +#define PEI_VERSION 6 + +struct __packed pei_data { + uint32_t pei_version; + uint32_t mchbar; + uint32_t dmibar; + uint32_t epbar; + uint32_t pciexbar; + uint16_t smbusbar; + uint32_t wdbbar; + uint32_t wdbsize; + uint32_t hpet_address; + uint32_t rcba; + uint32_t pmbase; + uint32_t gpiobase; + uint32_t thermalbase; + uint32_t system_type; /* 0 Mobile, 1 Desktop/Server */ + uint32_t tseg_size; + uint8_t spd_addresses[4]; + uint8_t ts_addresses[4]; + int boot_mode; + int ec_present; + int gbe_enable; + /* + * 0 = leave channel enabled + * 1 = disable dimm 0 on channel + * 2 = disable dimm 1 on channel + * 3 = disable dimm 0+1 on channel + */ + int dimm_channel0_disabled; + int dimm_channel1_disabled; + /* Seed values saved in CMOS */ + uint32_t scrambler_seed; + uint32_t scrambler_seed_s3; + /* Data read from flash and passed into MRC */ + unsigned char *mrc_input; + unsigned int mrc_input_len; + /* Data from MRC that should be saved to flash */ + unsigned char *mrc_output; + unsigned int mrc_output_len; + /* + * Max frequency DDR3 could be ran at. Could be one of four values: + * 800, 1067, 1333, 1600 + */ + uint32_t max_ddr3_freq; + /* + * USB Port Configuration: + * [0] = enable + * [1] = overcurrent pin + * [2] = length + * + * Ports 0-7 can be mapped to OC0-OC3 + * Ports 8-13 can be mapped to OC4-OC7 + * + * Port Length + * MOBILE: + * < 0x050 = Setting 1 (back panel, 1-5in, lowest tx amplitude) + * < 0x140 = Setting 2 (back panel, 5-14in, highest tx amplitude) + * DESKTOP: + * < 0x080 = Setting 1 (front/back panel, <8in, lowest tx amplitude) + * < 0x130 = Setting 2 (back panel, 8-13in, higher tx amplitude) + * < 0x150 = Setting 3 (back panel, 13-15in, higest tx amplitude) + */ + uint16_t usb_port_config[16][3]; + /* See the usb3 struct above for details */ + struct pch_usb3_controller_settings usb3; + /* + * SPD data array for onboard RAM. Specify address 0xf0, + * 0xf1, 0xf2, 0xf3 to index one of the 4 slots in + * spd_address for a given "DIMM". + */ + uint8_t spd_data[4][256]; + tx_byte_func tx_byte; + int ddr3lv_support; + /* + * pcie_init needs to be set to 1 to have the system agent initialise + * PCIe. Note: This should only be required if your system has Gen3 + * devices and it will increase your boot time by at least 100ms. + */ + int pcie_init; + /* + * N mode functionality. Leave this setting at 0. + * 0 Auto + * 1 1N + * 2 2N + */ + int nmode; + /* + * DDR refresh rate config. JEDEC Standard No.21-C Annex K allows + * for DIMM SPD data to specify whether double-rate is required for + * extended operating temperature range. + * 0 Enable double rate based upon temperature thresholds + * 1 Normal rate + * 2 Always enable double rate + */ + int ddr_refresh_rate_config; +}; + +#endif diff --git a/arch/x86/include/asm/arch-ivybridge/sandybridge.h b/arch/x86/include/asm/arch-ivybridge/sandybridge.h new file mode 100644 index 0000000000..114ee19e24 --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/sandybridge.h @@ -0,0 +1,109 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * From Coreboot file of the same name + * + * Copyright (C) 2007-2008 coresystems GmbH + * Copyright (C) 2011 Google Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ACH_ASM_SANDYBRIDGE_H +#define _ACH_ASM_SANDYBRIDGE_H + +/* Chipset types */ +#define SANDYBRIDGE_MOBILE 0 +#define SANDYBRIDGE_DESKTOP 1 +#define SANDYBRIDGE_SERVER 2 + +/* Device ID for SandyBridge and IvyBridge */ +#define BASE_REV_SNB 0x00 +#define BASE_REV_IVB 0x50 +#define BASE_REV_MASK 0x50 + +/* SandyBridge CPU stepping */ +#define SNB_STEP_D0 (BASE_REV_SNB + 5) /* Also J0 */ +#define SNB_STEP_D1 (BASE_REV_SNB + 6) +#define SNB_STEP_D2 (BASE_REV_SNB + 7) /* Also J1/Q0 */ + +/* IvyBridge CPU stepping */ +#define IVB_STEP_A0 (BASE_REV_IVB + 0) +#define IVB_STEP_B0 (BASE_REV_IVB + 2) +#define IVB_STEP_C0 (BASE_REV_IVB + 4) +#define IVB_STEP_K0 (BASE_REV_IVB + 5) +#define IVB_STEP_D0 (BASE_REV_IVB + 6) + +/* Intel Enhanced Debug region must be 4MB */ +#define IED_SIZE 0x400000 + +/* Northbridge BARs */ +#define DEFAULT_MCHBAR 0xfed10000 /* 16 KB */ +#define DEFAULT_DMIBAR 0xfed18000 /* 4 KB */ +#define DEFAULT_EPBAR 0xfed19000 /* 4 KB */ +#define DEFAULT_RCBABASE 0xfed1c000 +/* 4 KB per PCIe device */ +#define DEFAULT_PCIEXBAR CONFIG_MMCONF_BASE_ADDRESS + +/* Device 0:0.0 PCI configuration space (Host Bridge) */ +#define EPBAR 0x40 +#define MCHBAR 0x48 +#define PCIEXBAR 0x60 +#define DMIBAR 0x68 +#define X60BAR 0x60 + +#define GGC 0x50 /* GMCH Graphics Control */ + +#define DEVEN 0x54 /* Device Enable */ +#define DEVEN_PEG60 (1 << 13) +#define DEVEN_IGD (1 << 4) +#define DEVEN_PEG10 (1 << 3) +#define DEVEN_PEG11 (1 << 2) +#define DEVEN_PEG12 (1 << 1) +#define DEVEN_HOST (1 << 0) + +#define PAM0 0x80 +#define PAM1 0x81 +#define PAM2 0x82 +#define PAM3 0x83 +#define PAM4 0x84 +#define PAM5 0x85 +#define PAM6 0x86 + +#define LAC 0x87 /* Legacy Access Control */ +#define SMRAM 0x88 /* System Management RAM Control */ +#define D_OPEN (1 << 6) +#define D_CLS (1 << 5) +#define D_LCK (1 << 4) +#define G_SMRAME (1 << 3) +#define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0)) + +#define TOM 0xa0 +#define TOUUD 0xa8 /* Top of Upper Usable DRAM */ +#define TSEG 0xb8 /* TSEG base */ +#define TOLUD 0xbc /* Top of Low Used Memory */ + +#define SKPAD 0xdc /* Scratchpad Data */ + +/* Device 0:1.0 PCI configuration space (PCI Express) */ +#define BCTRL1 0x3e /* 16bit */ + +/* Device 0:2.0 PCI configuration space (Graphics Device) */ + +#define MSAC 0x62 /* Multi Size Aperture Control */ +#define SWSCI 0xe8 /* SWSCI enable */ +#define ASLS 0xfc /* OpRegion Base */ + +/* + * MCHBAR + */ +#define MCHBAR_REG(reg) (DEFAULT_RCBA + (reg)) + +#define SSKPD 0x5d14 /* 16bit (scratchpad) */ +#define BIOS_RESET_CPL 0x5da8 /* 8bit */ + +void report_platform_info(void); + +void sandybridge_early_init(int chipset_type); + +#endif diff --git a/arch/x86/include/asm/config.h b/arch/x86/include/asm/config.h index ff15828a71..c97d988f3b 100644 --- a/arch/x86/include/asm/config.h +++ b/arch/x86/include/asm/config.h @@ -10,5 +10,6 @@ #define CONFIG_SYS_GENERIC_BOARD #define CONFIG_LMB #define CONFIG_SYS_BOOT_RAMDISK_HIGH +#define asmlinkage __attribute__((regparm(0))) #endif diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 6c6774af76..c8392915f1 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -1,16 +1,160 @@ /* * Copyright (c) 2014 The Chromium OS Authors. * + * Part of this file is adapted from coreboot + * src/arch/x86/include/arch/cpu.h and + * src/arch/x86/lib/cpu.c + * * SPDX-License-Identifier: GPL-2.0+ */ -#ifndef __X86_CPU_H -#define __X86_CPU_H +#ifndef _ASM_CPU_H +#define _ASM_CPU_H + +enum { + X86_VENDOR_INVALID = 0, + X86_VENDOR_INTEL, + X86_VENDOR_CYRIX, + X86_VENDOR_AMD, + X86_VENDOR_UMC, + X86_VENDOR_NEXGEN, + X86_VENDOR_CENTAUR, + X86_VENDOR_RISE, + X86_VENDOR_TRANSMETA, + X86_VENDOR_NSC, + X86_VENDOR_SIS, + X86_VENDOR_ANY = 0xfe, + X86_VENDOR_UNKNOWN = 0xff +}; + +struct cpuid_result { + uint32_t eax; + uint32_t ebx; + uint32_t ecx; + uint32_t edx; +}; + +/* + * Generic CPUID function + */ +static inline struct cpuid_result cpuid(int op) +{ + struct cpuid_result result; + asm volatile( + "mov %%ebx, %%edi;" + "cpuid;" + "mov %%ebx, %%esi;" + "mov %%edi, %%ebx;" + : "=a" (result.eax), + "=S" (result.ebx), + "=c" (result.ecx), + "=d" (result.edx) + : "0" (op) + : "edi"); + return result; +} + +/* + * Generic Extended CPUID function + */ +static inline struct cpuid_result cpuid_ext(int op, unsigned ecx) +{ + struct cpuid_result result; + asm volatile( + "mov %%ebx, %%edi;" + "cpuid;" + "mov %%ebx, %%esi;" + "mov %%edi, %%ebx;" + : "=a" (result.eax), + "=S" (result.ebx), + "=c" (result.ecx), + "=d" (result.edx) + : "0" (op), "2" (ecx) + : "edi"); + return result; +} + +/* + * CPUID functions returning a single datum + */ +static inline unsigned int cpuid_eax(unsigned int op) +{ + unsigned int eax; + + __asm__("mov %%ebx, %%edi;" + "cpuid;" + "mov %%edi, %%ebx;" + : "=a" (eax) + : "0" (op) + : "ecx", "edx", "edi"); + return eax; +} + +static inline unsigned int cpuid_ebx(unsigned int op) +{ + unsigned int eax, ebx; + + __asm__("mov %%ebx, %%edi;" + "cpuid;" + "mov %%ebx, %%esi;" + "mov %%edi, %%ebx;" + : "=a" (eax), "=S" (ebx) + : "0" (op) + : "ecx", "edx", "edi"); + return ebx; +} + +static inline unsigned int cpuid_ecx(unsigned int op) +{ + unsigned int eax, ecx; - /** + __asm__("mov %%ebx, %%edi;" + "cpuid;" + "mov %%edi, %%ebx;" + : "=a" (eax), "=c" (ecx) + : "0" (op) + : "edx", "edi"); + return ecx; +} + +static inline unsigned int cpuid_edx(unsigned int op) +{ + unsigned int eax, edx; + + __asm__("mov %%ebx, %%edi;" + "cpuid;" + "mov %%edi, %%ebx;" + : "=a" (eax), "=d" (edx) + : "0" (op) + : "ecx", "edi"); + return edx; +} + +/* Standard macro to see if a specific flag is changeable */ +static inline int flag_is_changeable_p(uint32_t flag) +{ + uint32_t f1, f2; + + asm( + "pushfl\n\t" + "pushfl\n\t" + "popl %0\n\t" + "movl %0,%1\n\t" + "xorl %2,%0\n\t" + "pushl %0\n\t" + "popfl\n\t" + "pushfl\n\t" + "popl %0\n\t" + "popfl\n\t" + : "=&r" (f1), "=&r" (f2) + : "ir" (flag)); + return ((f1^f2) & flag) != 0; +} + +/** * cpu_enable_paging_pae() - Enable PAE-paging * - * @pdpt: Value to set in cr3 (PDPT or PML4T) + * @cr3: Value to set in cr3 (PDPT or PML4T) */ void cpu_enable_paging_pae(ulong cr3); @@ -27,6 +171,27 @@ void cpu_disable_paging_pae(void); int cpu_has_64bit(void); /** + * cpu_vendor_name() - Get CPU vendor name + * + * @vendor: CPU vendor enumeration number + * + * @return: Address to hold the CPU vendor name string + */ +const char *cpu_vendor_name(int vendor); + +#define CPU_MAX_NAME_LEN 49 + +/** + * cpu_get_name() - Get the name of the current cpu + * + * @name: Place to put name, which must be CPU_MAX_NAME_LEN bytes including + * @return pointer to name, which will likely be a few bytes after the start + * of @name + * \0 terminator + */ +char *cpu_get_name(char *name); + +/** * cpu_call64() - Jump to a 64-bit Linux kernel (internal function) * * The kernel is uncompressed and the 64-bit entry point is expected to be diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h index 3e8e2cdb9e..48bbd1ae43 100644 --- a/arch/x86/include/asm/global_data.h +++ b/arch/x86/include/asm/global_data.h @@ -10,13 +10,43 @@ #ifndef __ASSEMBLY__ +enum pei_boot_mode_t { + PEI_BOOT_NONE = 0, + PEI_BOOT_SOFT_RESET, + PEI_BOOT_RESUME, + +}; + +struct memory_area { + uint64_t start; + uint64_t size; +}; + +struct memory_info { + int num_areas; + uint64_t total_memory; + uint64_t total_32bit_memory; + struct memory_area area[CONFIG_NR_DRAM_BANKS]; +}; + /* Architecture-specific global data */ struct arch_global_data { struct global_data *gd_addr; /* Location of Global Data */ + uint8_t x86; /* CPU family */ + uint8_t x86_vendor; /* CPU vendor */ + uint8_t x86_model; + uint8_t x86_mask; + uint32_t x86_device; uint64_t tsc_base; /* Initial value returned by rdtsc() */ uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ uint32_t tsc_prev; /* For show_boot_progress() */ + uint32_t tsc_mhz; /* TSC frequency in MHz */ void *new_fdt; /* Relocated FDT */ + uint32_t bist; /* Built-in self test value */ + struct pci_controller *hose; /* PCI hose for early use */ + enum pei_boot_mode_t pei_boot_mode; + const struct pch_gpio_map *gpio_map; /* board GPIO map */ + struct memory_info meminfo; /* Memory information */ }; #endif diff --git a/arch/x86/include/asm/gpio.h b/arch/x86/include/asm/gpio.h index 8bda414dbd..5540d422b4 100644 --- a/arch/x86/include/asm/gpio.h +++ b/arch/x86/include/asm/gpio.h @@ -1,12 +1,152 @@ /* * Copyright (c) 2012, Google Inc. All rights reserved. - * SPDX-License-Identifier: GPL-2.0+ + * SPDX-License-Identifier: GPL-2.0 */ #ifndef _X86_GPIO_H_ #define _X86_GPIO_H_ +#include <linux/compiler.h> #include <asm/arch/gpio.h> #include <asm-generic/gpio.h> +struct ich6_bank_platdata { + uint32_t base_addr; + const char *bank_name; +}; + +#define GPIO_MODE_NATIVE 0 +#define GPIO_MODE_GPIO 1 +#define GPIO_MODE_NONE 1 + +#define GPIO_DIR_OUTPUT 0 +#define GPIO_DIR_INPUT 1 + +#define GPIO_NO_INVERT 0 +#define GPIO_INVERT 1 + +#define GPIO_LEVEL_LOW 0 +#define GPIO_LEVEL_HIGH 1 + +#define GPIO_NO_BLINK 0 +#define GPIO_BLINK 1 + +#define GPIO_RESET_PWROK 0 +#define GPIO_RESET_RSMRST 1 + +struct pch_gpio_set1 { + u32 gpio0:1; + u32 gpio1:1; + u32 gpio2:1; + u32 gpio3:1; + u32 gpio4:1; + u32 gpio5:1; + u32 gpio6:1; + u32 gpio7:1; + u32 gpio8:1; + u32 gpio9:1; + u32 gpio10:1; + u32 gpio11:1; + u32 gpio12:1; + u32 gpio13:1; + u32 gpio14:1; + u32 gpio15:1; + u32 gpio16:1; + u32 gpio17:1; + u32 gpio18:1; + u32 gpio19:1; + u32 gpio20:1; + u32 gpio21:1; + u32 gpio22:1; + u32 gpio23:1; + u32 gpio24:1; + u32 gpio25:1; + u32 gpio26:1; + u32 gpio27:1; + u32 gpio28:1; + u32 gpio29:1; + u32 gpio30:1; + u32 gpio31:1; +} __packed; + +struct pch_gpio_set2 { + u32 gpio32:1; + u32 gpio33:1; + u32 gpio34:1; + u32 gpio35:1; + u32 gpio36:1; + u32 gpio37:1; + u32 gpio38:1; + u32 gpio39:1; + u32 gpio40:1; + u32 gpio41:1; + u32 gpio42:1; + u32 gpio43:1; + u32 gpio44:1; + u32 gpio45:1; + u32 gpio46:1; + u32 gpio47:1; + u32 gpio48:1; + u32 gpio49:1; + u32 gpio50:1; + u32 gpio51:1; + u32 gpio52:1; + u32 gpio53:1; + u32 gpio54:1; + u32 gpio55:1; + u32 gpio56:1; + u32 gpio57:1; + u32 gpio58:1; + u32 gpio59:1; + u32 gpio60:1; + u32 gpio61:1; + u32 gpio62:1; + u32 gpio63:1; +} __packed; + +struct pch_gpio_set3 { + u32 gpio64:1; + u32 gpio65:1; + u32 gpio66:1; + u32 gpio67:1; + u32 gpio68:1; + u32 gpio69:1; + u32 gpio70:1; + u32 gpio71:1; + u32 gpio72:1; + u32 gpio73:1; + u32 gpio74:1; + u32 gpio75:1; +} __packed; + +/* + * This hilariously complex structure came from Coreboot. The + * setup_pch_gpios() function uses it. It could be move to device tree, or + * adjust to use masks instead of bitfields. + */ +struct pch_gpio_map { + struct { + const struct pch_gpio_set1 *mode; + const struct pch_gpio_set1 *direction; + const struct pch_gpio_set1 *level; + const struct pch_gpio_set1 *reset; + const struct pch_gpio_set1 *invert; + const struct pch_gpio_set1 *blink; + } set1; + struct { + const struct pch_gpio_set2 *mode; + const struct pch_gpio_set2 *direction; + const struct pch_gpio_set2 *level; + const struct pch_gpio_set2 *reset; + } set2; + struct { + const struct pch_gpio_set3 *mode; + const struct pch_gpio_set3 *direction; + const struct pch_gpio_set3 *level; + const struct pch_gpio_set3 *reset; + } set3; +}; + +void ich_gpio_set_gpio_map(const struct pch_gpio_map *map); + #endif /* _X86_GPIO_H_ */ diff --git a/arch/x86/include/asm/i8254.h b/arch/x86/include/asm/i8254.h index c3ccd4f906..4116de1f07 100644 --- a/arch/x86/include/asm/i8254.h +++ b/arch/x86/include/asm/i8254.h @@ -36,4 +36,7 @@ #define PIT_CMD_MODE4 0x08 /* Select mode 4 */ #define PIT_CMD_MODE5 0x0A /* Select mode 5 */ +/* The clock frequency of the i8253/i8254 PIT */ +#define PIT_TICK_RATE 1193182ul + #endif diff --git a/arch/x86/include/asm/init_helpers.h b/arch/x86/include/asm/init_helpers.h index b07887eadc..8cbe08eb56 100644 --- a/arch/x86/include/asm/init_helpers.h +++ b/arch/x86/include/asm/init_helpers.h @@ -13,7 +13,5 @@ int calculate_relocation_address(void); int init_cache_f_r(void); int init_bd_struct_r(void); int init_func_spi(void); -int find_fdt(void); -int prepare_fdt(void); #endif /* !_INIT_HELPERS_H_ */ diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 86bac90e8e..fcd9aa9857 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -69,6 +69,55 @@ #define memcpy_fromio(a,b,c) memcpy((a),(b),(c)) #define memcpy_toio(a,b,c) memcpy((a),(b),(c)) +#define write_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a) +#define read_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a)) + +#define write_le64(a, v) write_arch(q, le64, a, v) +#define write_le32(a, v) write_arch(l, le32, a, v) +#define write_le16(a, v) write_arch(w, le16, a, v) + +#define read_le64(a) read_arch(q, le64, a) +#define read_le32(a) read_arch(l, le32, a) +#define read_le16(a) read_arch(w, le16, a) + +#define write_be32(a, v) write_arch(l, be32, a, v) +#define write_be16(a, v) write_arch(w, be16, a, v) + +#define read_be32(a) read_arch(l, be32, a) +#define read_be16(a) read_arch(w, be16, a) + +#define write_8(a, v) __raw_writeb(v, a) +#define read_8(a) __raw_readb(a) + +#define clrbits(type, addr, clear) \ + write_##type((addr), read_##type(addr) & ~(clear)) + +#define setbits(type, addr, set) \ + write_##type((addr), read_##type(addr) | (set)) + +#define clrsetbits(type, addr, clear, set) \ + write_##type((addr), (read_##type(addr) & ~(clear)) | (set)) + +#define clrbits_be32(addr, clear) clrbits(be32, addr, clear) +#define setbits_be32(addr, set) setbits(be32, addr, set) +#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) + +#define clrbits_le32(addr, clear) clrbits(le32, addr, clear) +#define setbits_le32(addr, set) setbits(le32, addr, set) +#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) + +#define clrbits_be16(addr, clear) clrbits(be16, addr, clear) +#define setbits_be16(addr, set) setbits(be16, addr, set) +#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) + +#define clrbits_le16(addr, clear) clrbits(le16, addr, clear) +#define setbits_le16(addr, set) setbits(le16, addr, set) +#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) + +#define clrbits_8(addr, clear) clrbits(8, addr, clear) +#define setbits_8(addr, set) setbits(8, addr, set) +#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) + /* * ISA space is 'always mapped' on a typical x86 system, no need to * explicitly ioremap() it. The fact that the ISA IO space is mapped diff --git a/arch/x86/include/asm/lapic.h b/arch/x86/include/asm/lapic.h new file mode 100644 index 0000000000..948e643a7e --- /dev/null +++ b/arch/x86/include/asm/lapic.h @@ -0,0 +1,59 @@ +/* + * From Coreboot file of same name + * + * Copyright (C) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ARCH_ASM_LAPIC_H +#define _ARCH_ASM_LAPIC_H + +#include <asm/io.h> +#include <asm/lapic_def.h> +#include <asm/msr.h> +#include <asm/processor.h> + +static inline __attribute__((always_inline)) + unsigned long lapic_read(unsigned long reg) +{ + return readl(LAPIC_DEFAULT_BASE + reg); +} + +static inline __attribute__((always_inline)) + void lapic_write(unsigned long reg, unsigned long val) +{ + writel(val, LAPIC_DEFAULT_BASE + reg); +} + +static inline __attribute__((always_inline)) void lapic_wait_icr_idle(void) +{ + do { } while (lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY); +} + +static inline void enable_lapic(void) +{ + msr_t msr; + + msr = msr_read(LAPIC_BASE_MSR); + msr.hi &= 0xffffff00; + msr.lo &= 0x000007ff; + msr.lo |= LAPIC_DEFAULT_BASE | (1 << 11); + msr_write(LAPIC_BASE_MSR, msr); +} + +static inline void disable_lapic(void) +{ + msr_t msr; + + msr = msr_read(LAPIC_BASE_MSR); + msr.lo &= ~(1 << 11); + msr_write(LAPIC_BASE_MSR, msr); +} + +static inline __attribute__((always_inline)) unsigned long lapicid(void) +{ + return lapic_read(LAPIC_ID) >> 24; +} + +#endif diff --git a/arch/x86/include/asm/lapic_def.h b/arch/x86/include/asm/lapic_def.h new file mode 100644 index 0000000000..722ceadaa4 --- /dev/null +++ b/arch/x86/include/asm/lapic_def.h @@ -0,0 +1,101 @@ +/* + * Taken from the Coreboot file of the same name + * + * (C) Copyright 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ASM_LAPIC_DEF_H +#define _ASM_LAPIC_DEF_H + +#define LAPIC_BASE_MSR 0x1B +#define LAPIC_BASE_MSR_BOOTSTRAP_PROCESSOR (1 << 8) +#define LAPIC_BASE_MSR_ENABLE (1 << 11) +#define LAPIC_BASE_MSR_ADDR_MASK 0xFFFFF000 + +#define LOCAL_APIC_ADDR 0xfee00000 +#define LAPIC_DEFAULT_BASE LOCAL_APIC_ADDR + +#define LAPIC_ID 0x020 +#define LAPIC_LVR 0x030 +#define LAPIC_TASKPRI 0x80 +#define LAPIC_TPRI_MASK 0xFF +#define LAPIC_ARBID 0x090 +#define LAPIC_RRR 0x0C0 +#define LAPIC_SVR 0x0f0 +#define LAPIC_SPIV 0x0f0 +#define LAPIC_SPIV_ENABLE 0x100 +#define LAPIC_ESR 0x280 +#define LAPIC_ESR_SEND_CS 0x00001 +#define LAPIC_ESR_RECV_CS 0x00002 +#define LAPIC_ESR_SEND_ACC 0x00004 +#define LAPIC_ESR_RECV_ACC 0x00008 +#define LAPIC_ESR_SENDILL 0x00020 +#define LAPIC_ESR_RECVILL 0x00040 +#define LAPIC_ESR_ILLREGA 0x00080 +#define LAPIC_ICR 0x300 +#define LAPIC_DEST_SELF 0x40000 +#define LAPIC_DEST_ALLINC 0x80000 +#define LAPIC_DEST_ALLBUT 0xC0000 +#define LAPIC_ICR_RR_MASK 0x30000 +#define LAPIC_ICR_RR_INVALID 0x00000 +#define LAPIC_ICR_RR_INPROG 0x10000 +#define LAPIC_ICR_RR_VALID 0x20000 +#define LAPIC_INT_LEVELTRIG 0x08000 +#define LAPIC_INT_ASSERT 0x04000 +#define LAPIC_ICR_BUSY 0x01000 +#define LAPIC_DEST_LOGICAL 0x00800 +#define LAPIC_DM_FIXED 0x00000 +#define LAPIC_DM_LOWEST 0x00100 +#define LAPIC_DM_SMI 0x00200 +#define LAPIC_DM_REMRD 0x00300 +#define LAPIC_DM_NMI 0x00400 +#define LAPIC_DM_INIT 0x00500 +#define LAPIC_DM_STARTUP 0x00600 +#define LAPIC_DM_EXTINT 0x00700 +#define LAPIC_VECTOR_MASK 0x000FF +#define LAPIC_ICR2 0x310 +#define GET_LAPIC_DEST_FIELD(x) (((x) >> 24) & 0xFF) +#define SET_LAPIC_DEST_FIELD(x) ((x) << 24) +#define LAPIC_LVTT 0x320 +#define LAPIC_LVTPC 0x340 +#define LAPIC_LVT0 0x350 +#define LAPIC_LVT_TIMER_BASE_MASK (0x3 << 18) +#define GET_LAPIC_TIMER_BASE(x) (((x) >> 18) & 0x3) +#define SET_LAPIC_TIMER_BASE(x) (((x) << 18)) +#define LAPIC_TIMER_BASE_CLKIN 0x0 +#define LAPIC_TIMER_BASE_TMBASE 0x1 +#define LAPIC_TIMER_BASE_DIV 0x2 +#define LAPIC_LVT_TIMER_PERIODIC (1 << 17) +#define LAPIC_LVT_MASKED (1 << 16) +#define LAPIC_LVT_LEVEL_TRIGGER (1 << 15) +#define LAPIC_LVT_REMOTE_IRR (1 << 14) +#define LAPIC_INPUT_POLARITY (1 << 13) +#define LAPIC_SEND_PENDING (1 << 12) +#define LAPIC_LVT_RESERVED_1 (1 << 11) +#define LAPIC_DELIVERY_MODE_MASK (7 << 8) +#define LAPIC_DELIVERY_MODE_FIXED (0 << 8) +#define LAPIC_DELIVERY_MODE_NMI (4 << 8) +#define LAPIC_DELIVERY_MODE_EXTINT (7 << 8) +#define GET_LAPIC_DELIVERY_MODE(x) (((x) >> 8) & 0x7) +#define SET_LAPIC_DELIVERY_MODE(x, y) (((x) & ~0x700)|((y) << 8)) +#define LAPIC_MODE_FIXED 0x0 +#define LAPIC_MODE_NMI 0x4 +#define LAPIC_MODE_EXINT 0x7 +#define LAPIC_LVT1 0x360 +#define LAPIC_LVTERR 0x370 +#define LAPIC_TMICT 0x380 +#define LAPIC_TMCCT 0x390 +#define LAPIC_TDCR 0x3E0 +#define LAPIC_TDR_DIV_TMBASE (1 << 2) +#define LAPIC_TDR_DIV_1 0xB +#define LAPIC_TDR_DIV_2 0x0 +#define LAPIC_TDR_DIV_4 0x1 +#define LAPIC_TDR_DIV_8 0x2 +#define LAPIC_TDR_DIV_16 0x3 +#define LAPIC_TDR_DIV_32 0x8 +#define LAPIC_TDR_DIV_64 0x9 +#define LAPIC_TDR_DIV_128 0xA + +#endif diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 3b5915d5e2..df4398378c 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -175,6 +175,25 @@ static inline int wrmsr_safe_regs(u32 regs[8]) return native_wrmsr_safe_regs(regs); } +typedef struct msr_t { + uint32_t lo; + uint32_t hi; +} msr_t; + +static inline struct msr_t msr_read(unsigned msr_num) +{ + struct msr_t msr; + + rdmsr(msr_num, msr.lo, msr.hi); + + return msr; +} + +static inline void msr_write(unsigned msr_num, msr_t msr) +{ + wrmsr(msr_num, msr.lo, msr.hi); +} + #define rdtscl(low) \ ((low) = (u32)__native_read_tsc()) diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h new file mode 100644 index 0000000000..5f05a4848f --- /dev/null +++ b/arch/x86/include/asm/mtrr.h @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * From Coreboot file of the same name + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_MTRR_H +#define _ASM_MTRR_H + +/* These are the region types */ +#define MTRR_TYPE_UNCACHEABLE 0 +#define MTRR_TYPE_WRCOMB 1 +/*#define MTRR_TYPE_ 2*/ +/*#define MTRR_TYPE_ 3*/ +#define MTRR_TYPE_WRTHROUGH 4 +#define MTRR_TYPE_WRPROT 5 +#define MTRR_TYPE_WRBACK 6 +#define MTRR_NUM_TYPES 7 + +#define MTRRcap_MSR 0x0fe +#define MTRRdefType_MSR 0x2ff + +#define MTRRdefTypeEn (1 << 11) +#define MTRRdefTypeFixEn (1 << 10) + +#define SMRRphysBase_MSR 0x1f2 +#define SMRRphysMask_MSR 0x1f3 + +#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg)) +#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1) + +#define MTRRphysMaskValid (1 << 11) + +#define NUM_FIXED_RANGES 88 +#define RANGES_PER_FIXED_MTRR 8 +#define MTRRfix64K_00000_MSR 0x250 +#define MTRRfix16K_80000_MSR 0x258 +#define MTRRfix16K_A0000_MSR 0x259 +#define MTRRfix4K_C0000_MSR 0x268 +#define MTRRfix4K_C8000_MSR 0x269 +#define MTRRfix4K_D0000_MSR 0x26a +#define MTRRfix4K_D8000_MSR 0x26b +#define MTRRfix4K_E0000_MSR 0x26c +#define MTRRfix4K_E8000_MSR 0x26d +#define MTRRfix4K_F0000_MSR 0x26e +#define MTRRfix4K_F8000_MSR 0x26f + +#if !defined(__ASSEMBLER__) + +/* + * The MTRR code has some side effects that the callers should be aware for. + * 1. The call sequence matters. x86_setup_mtrrs() calls + * x86_setup_fixed_mtrrs_no_enable() then enable_fixed_mtrrs() (equivalent + * of x86_setup_fixed_mtrrs()) then x86_setup_var_mtrrs(). If the callers + * want to call the components of x86_setup_mtrrs() because of other + * rquirements the ordering should still preserved. + * 2. enable_fixed_mtrr() will enable both variable and fixed MTRRs because + * of the nature of the global MTRR enable flag. Therefore, all direct + * or indirect callers of enable_fixed_mtrr() should ensure that the + * variable MTRR MSRs do not contain bad ranges. + * 3. If CONFIG_CACHE_ROM is selected an MTRR is allocated for enabling + * the caching of the ROM. However, it is set to uncacheable (UC). It + * is the responsiblity of the caller to enable it by calling + * x86_mtrr_enable_rom_caching(). + */ +void x86_setup_mtrrs(void); +/* + * x86_setup_var_mtrrs() parameters: + * address_bits - number of physical address bits supported by cpu + * above4gb - 2 means dynamically detect number of variable MTRRs available. + * non-zero means handle memory ranges above 4GiB. + * 0 means ignore memory ranges above 4GiB + */ +void x86_setup_var_mtrrs(unsigned int address_bits, unsigned int above4gb); +void enable_fixed_mtrr(void); +void x86_setup_fixed_mtrrs(void); +/* Set up fixed MTRRs but do not enable them. */ +void x86_setup_fixed_mtrrs_no_enable(void); +int x86_mtrr_check(void); +/* ROM caching can be used after variable MTRRs are set up. Beware that + * enabling CONFIG_CACHE_ROM will eat through quite a few MTRRs based on + * one's IO hole size and WRCOMB resources. Be sure to check the console + * log when enabling CONFIG_CACHE_ROM or adding WRCOMB resources. Beware that + * on CPUs with core-scoped MTRR registers such as hyperthreaded CPUs the + * rom caching will be disabled if all threads run the MTRR code. Therefore, + * one needs to call x86_mtrr_enable_rom_caching() after all threads of the + * same core have run the MTRR code. */ +#if CONFIG_CACHE_ROM +void x86_mtrr_enable_rom_caching(void); +void x86_mtrr_disable_rom_caching(void); +/* Return the variable range MTRR index of the ROM cache. */ +long x86_mtrr_rom_cache_var_index(void); +#else +static inline void x86_mtrr_enable_rom_caching(void) {} +static inline void x86_mtrr_disable_rom_caching(void) {} +static inline long x86_mtrr_rom_cache_var_index(void) { return -1; } +#endif /* CONFIG_CACHE_ROM */ + +#endif + +#if !defined(CONFIG_RAMTOP) +# error "CONFIG_RAMTOP not defined" +#endif + +#if ((CONFIG_XIP_ROM_SIZE & (CONFIG_XIP_ROM_SIZE - 1)) != 0) +# error "CONFIG_XIP_ROM_SIZE is not a power of 2" +#endif + +#if ((CONFIG_CACHE_ROM_SIZE & (CONFIG_CACHE_ROM_SIZE - 1)) != 0) +# error "CONFIG_CACHE_ROM_SIZE is not a power of 2" +#endif + +#define CACHE_ROM_BASE (((1 << 20) - (CONFIG_CACHE_ROM_SIZE >> 12)) << 12) + +#if (CONFIG_RAMTOP & (CONFIG_RAMTOP - 1)) != 0 +# error "CONFIG_RAMTOP must be a power of 2" +#endif + +#endif diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 6b161881e7..98817aa8a2 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -12,5 +12,38 @@ #define DEFINE_PCI_DEVICE_TABLE(_table) \ const struct pci_device_id _table[] +struct pci_controller; + void pci_setup_type1(struct pci_controller *hose); + +/** + * board_pci_setup_hose() - Set up the PCI hose + * + * This is called by the common x86 PCI code to set up the PCI controller + * hose. It may be called when no memory/BSS is available so should just + * store things in 'hose' and not in BSS variables. + */ +void board_pci_setup_hose(struct pci_controller *hose); + +/** + * pci_early_init_hose() - Set up PCI host before relocation + * + * This allocates memory for, sets up and returns the PCI hose. It can be + * called before relocation. The hose will be stored in gd->arch.hose for + * later use, but will become invalid one DRAM is available. + */ +int pci_early_init_hose(struct pci_controller **hosep); + +/* + * Simple PCI access routines - these work from either the early PCI hose + * or the 'real' one, created after U-Boot has memory available + */ +unsigned int pci_read_config8(pci_dev_t dev, unsigned where); +unsigned int pci_read_config16(pci_dev_t dev, unsigned where); +unsigned int pci_read_config32(pci_dev_t dev, unsigned where); + +void pci_write_config8(pci_dev_t dev, unsigned where, unsigned value); +void pci_write_config16(pci_dev_t dev, unsigned where, unsigned value); +void pci_write_config32(pci_dev_t dev, unsigned where, unsigned value); + #endif diff --git a/arch/x86/include/asm/post.h b/arch/x86/include/asm/post.h new file mode 100644 index 0000000000..ce68839dec --- /dev/null +++ b/arch/x86/include/asm/post.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _post_h +#define _post_h + +/* port to use for post codes */ +#define POST_PORT 0x80 + +/* post codes which represent various stages of init */ +#define POST_START 0x1e +#define POST_CAR_START 0x1f +#define POST_CAR_SIPI 0x20 +#define POST_CAR_MTRR 0x21 +#define POST_CAR_UNCACHEABLE 0x22 +#define POST_CAR_BASE_ADDRESS 0x23 +#define POST_CAR_MASK 0x24 +#define POST_CAR_FILL 0x25 +#define POST_CAR_ROM_CACHE 0x26 +#define POST_CAR_MRC_CACHE 0x27 +#define POST_CAR_CPU_CACHE 0x28 +#define POST_START_STACK 0x29 +#define POST_START_DONE 0x2a +#define POST_CPU_INIT 0x2b +#define POST_EARLY_INIT 0x2c +#define POST_CPU_INFO 0x2d +#define POST_PRE_MRC 0x2e +#define POST_MRC 0x2f +#define POST_DRAM 0x2f + +#define POST_RAM_FAILURE 0xea + +/* Output a post code using al - value must be 0 to 0xff */ +#ifdef __ASSEMBLY__ +#define post_code(value) \ + movb $value, %al; \ + outb %al, $POST_PORT +#else +#include <asm/io.h> + +static inline void post_code(int code) +{ + outb(code, POST_PORT); +} +#endif + +#endif diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index bb3172ff91..b9317cb34b 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -30,4 +30,25 @@ enum { #define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE) +#ifndef __ASSEMBLY__ + +#define PORT_RESET 0xcf9 + +static inline __attribute__((always_inline)) void cpu_hlt(void) +{ + asm("hlt"); +} + +static inline ulong cpu_get_sp(void) +{ + ulong result; + + asm volatile( + "mov %%esp, %%eax" + : "=a" (result)); + return result; +} + +#endif /* __ASSEMBLY__ */ + #endif diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h index 9e525dd782..98217dd615 100644 --- a/arch/x86/include/asm/u-boot-x86.h +++ b/arch/x86/include/asm/u-boot-x86.h @@ -9,6 +9,7 @@ #define _U_BOOT_I386_H_ 1 /* cpu/.../cpu.c */ +int arch_cpu_init(void); int x86_cpu_init_r(void); int cpu_init_r(void); int x86_cpu_init_f(void); @@ -27,8 +28,8 @@ unsigned long get_tbclk_mhz(void); void timer_set_base(uint64_t base); int pcat_timer_init(void); -/* Architecture specific - can be in arch/x86/cpu/, arch/x86/lib/, or $(BOARD)/ */ -int dram_init_f(void); +/* Architecture specific DRAM init */ +int dram_init(void); /* cpu/.../interrupts.c */ int cpu_init_interrupts(void); @@ -36,6 +37,16 @@ int cpu_init_interrupts(void); /* board/.../... */ int dram_init(void); +int cleanup_before_linux(void); +int x86_cleanup_before_linux(void); +void x86_enable_caches(void); +void x86_disable_caches(void); +int x86_init_cache(void); +void reset_cpu(ulong addr); +ulong board_get_usable_ram_top(ulong total_size); +void dram_init_banksize(void); +int default_print_cpuinfo(void); + void setup_pcat_compatibility(void); void isa_unmap_rom(u32 addr); @@ -59,4 +70,6 @@ static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void) void timer_set_tsc_base(uint64_t new_base); uint64_t timer_get_tsc(void); +void quick_ram_check(void); + #endif /* _U_BOOT_I386_H_ */ |
