diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/cpu/via/Kconfig | 1 | ||||
| -rw-r--r-- | src/cpu/via/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/cpu/via/car/cache_as_ram.inc | 227 | ||||
| -rw-r--r-- | src/cpu/via/nano/Kconfig | 42 | ||||
| -rw-r--r-- | src/cpu/via/nano/Makefile.inc | 26 | ||||
| -rw-r--r-- | src/cpu/via/nano/microcode_blob.c | 4 | ||||
| -rw-r--r-- | src/cpu/via/nano/nano_init.c | 196 | ||||
| -rw-r--r-- | src/cpu/via/nano/update_ucode.c | 143 | ||||
| -rw-r--r-- | src/cpu/via/nano/update_ucode.h | 65 |
10 files changed, 0 insertions, 706 deletions
diff --git a/src/cpu/Makefile.inc b/src/cpu/Makefile.inc index bf857f8ffe..b80c30d72b 100644 --- a/src/cpu/Makefile.inc +++ b/src/cpu/Makefile.inc @@ -6,7 +6,6 @@ subdirs-y += amd subdirs-y += armltd subdirs-y += intel subdirs-y += ti -subdirs-y += via subdirs-$(CONFIG_ARCH_X86) += x86 subdirs-$(CONFIG_CPU_QEMU_X86) += qemu-x86 diff --git a/src/cpu/via/Kconfig b/src/cpu/via/Kconfig deleted file mode 100644 index d9a92300ca..0000000000 --- a/src/cpu/via/Kconfig +++ /dev/null @@ -1 +0,0 @@ -source src/cpu/via/nano/Kconfig diff --git a/src/cpu/via/Makefile.inc b/src/cpu/via/Makefile.inc deleted file mode 100644 index d68ff6501f..0000000000 --- a/src/cpu/via/Makefile.inc +++ /dev/null @@ -1 +0,0 @@ -subdirs-$(CONFIG_CPU_VIA_NANO) += nano diff --git a/src/cpu/via/car/cache_as_ram.inc b/src/cpu/via/car/cache_as_ram.inc deleted file mode 100644 index e4ca008f8b..0000000000 --- a/src/cpu/via/car/cache_as_ram.inc +++ /dev/null @@ -1,227 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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 <cpu/x86/mtrr.h> -#include <cpu/x86/cache.h> -#include <console/post_codes.h> - -#define CacheSize CONFIG_DCACHE_RAM_SIZE -#define CacheBase CONFIG_DCACHE_RAM_BASE - - /* Save the BIST result. */ - movl %eax, %ebp - -CacheAsRam: - - /* Disable cache. */ - movl %cr0, %eax - orl $CR0_CacheDisable, %eax - movl %eax, %cr0 - invd - - /* Set the default memory type and enable fixed and variable MTRRs. */ - movl $MTRR_DEF_TYPE_MSR, %ecx - xorl %edx, %edx - movl $(MTRR_DEF_TYPE_EN | MTRR_DEF_TYPE_FIX_EN), %eax - wrmsr - - /* Clear all MTRRs. */ - xorl %edx, %edx - movl $all_mtrr_msrs, %esi - -clear_fixed_var_mtrr: - lodsl (%esi), %eax - testl %eax, %eax - jz clear_fixed_var_mtrr_out - - movl %eax, %ecx - xorl %eax, %eax - wrmsr - - jmp clear_fixed_var_mtrr - -all_mtrr_msrs: - /* fixed MTRR MSRs */ - .long MTRR_FIX_64K_00000 - .long MTRR_FIX_16K_80000 - .long MTRR_FIX_16K_A0000 - .long MTRR_FIX_4K_C0000 - .long MTRR_FIX_4K_C8000 - .long MTRR_FIX_4K_D0000 - .long MTRR_FIX_4K_D8000 - .long MTRR_FIX_4K_E0000 - .long MTRR_FIX_4K_E8000 - .long MTRR_FIX_4K_F0000 - .long MTRR_FIX_4K_F8000 - - /* var MTRR MSRs */ - .long MTRR_PHYS_BASE(0) - .long MTRR_PHYS_MASK(0) - .long MTRR_PHYS_BASE(1) - .long MTRR_PHYS_MASK(1) - .long MTRR_PHYS_BASE(2) - .long MTRR_PHYS_MASK(2) - .long MTRR_PHYS_BASE(3) - .long MTRR_PHYS_MASK(3) - .long MTRR_PHYS_BASE(4) - .long MTRR_PHYS_MASK(4) - .long MTRR_PHYS_BASE(5) - .long MTRR_PHYS_MASK(5) - .long MTRR_PHYS_BASE(6) - .long MTRR_PHYS_MASK(6) - .long MTRR_PHYS_BASE(7) - .long MTRR_PHYS_MASK(7) - - .long 0x000 /* NULL, end of table */ - -clear_fixed_var_mtrr_out: - movl $MTRR_PHYS_BASE(0), %ecx - xorl %edx, %edx - movl $(CacheBase | MTRR_TYPE_WRBACK), %eax - wrmsr - - movl $MTRR_PHYS_MASK(0), %ecx - /* This assumes we never access addresses above 2^36 in CAR. */ - movl $0x0000000f, %edx - movl $(~(CacheSize - 1) | MTRR_PHYS_MASK_VALID), %eax - wrmsr - - /* - * Enable write base caching so we can do execute in place (XIP) - * on the flash ROM. - */ - movl $MTRR_PHYS_BASE(1), %ecx - xorl %edx, %edx - /* - * IMPORTANT: The following calculation _must_ be done at runtime. See - * https://mail.coreboot.org/pipermail/coreboot/2010-October/060922.html - */ - movl $_program, %eax - andl $(~(CONFIG_XIP_ROM_SIZE - 1)), %eax - orl $MTRR_TYPE_WRBACK, %eax - wrmsr - - movl $MTRR_PHYS_MASK(1), %ecx - movl $0x0000000f, %edx - movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRR_PHYS_MASK_VALID), %eax - wrmsr - - /* Set the default memory type and enable fixed and variable MTRRs. */ - /* TODO: Or also enable fixed MTRRs? Bug in the code? */ - movl $MTRR_DEF_TYPE_MSR, %ecx - xorl %edx, %edx - movl $(MTRR_DEF_TYPE_EN), %eax - wrmsr - - /* Enable cache. */ - movl %cr0, %eax - andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax - movl %eax, %cr0 - - /* Read the range with lodsl. */ - cld - movl $CacheBase, %esi - movl %esi, %edi - movl $(CacheSize >> 2), %ecx - rep lodsl - - movl $CacheBase, %esi - movl %esi, %edi - movl $(CacheSize >> 2), %ecx - - /* Zero out the cache-as-ram area. */ - xorl %eax, %eax - rep stosl - - /* - * The key point of this CAR code is C7 cache does not turn into - * "no fill" mode, which is not compatible with general CAR code. - */ - - movl $(CacheBase + CacheSize - 4), %eax - movl %eax, %esp - - /* Restore the BIST result. */ - movl %ebp, %eax - - /* We need to set EBP? No need. */ - movl %esp, %ebp - pushl %eax /* BIST */ - call main - - /* - * TODO: Backup stack in CACHE_AS_RAM into MMX and SSE and after we - * get STACK up, we restore that. It is only needed if we - * want to go back. - */ - - /* We don't need CAR from now on. */ - - /* Disable cache. */ - movl %cr0, %eax - orl $CR0_CacheDisable, %eax - movl %eax, %cr0 - - /* Set the default memory type and enable variable MTRRs. */ - /* TODO: Or also enable fixed MTRRs? Bug in the code? */ - movl $MTRR_DEF_TYPE_MSR, %ecx - xorl %edx, %edx - movl $(MTRR_DEF_TYPE_EN), %eax - wrmsr - - /* Enable caching for 0..CACHE_TMP_RAMTOP. */ - movl $MTRR_PHYS_BASE(0), %ecx - xorl %edx, %edx - movl $(0x0 | MTRR_TYPE_WRBACK), %eax - wrmsr - - movl $MTRR_PHYS_MASK(0), %ecx - movl $0x0000000f, %edx /* AMD 40 bit 0xff */ - movl $(~(CACHE_TMP_RAMTOP - 1) | MTRR_PHYS_MASK_VALID), %eax - wrmsr - - /* Cache XIP_ROM area to speedup coreboot code. */ - movl $MTRR_PHYS_BASE(1), %ecx - xorl %edx, %edx - /* - * IMPORTANT: The following calculation _must_ be done at runtime. See - * https://mail.coreboot.org/pipermail/coreboot/2010-October/060922.html - */ - movl $_program, %eax - andl $(~(CONFIG_XIP_ROM_SIZE - 1)), %eax - orl $MTRR_TYPE_WRBACK, %eax - wrmsr - - movl $MTRR_PHYS_MASK(1), %ecx - xorl %edx, %edx - movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRR_PHYS_MASK_VALID), %eax - wrmsr - - /* Enable cache. */ - movl %cr0, %eax - andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax - movl %eax, %cr0 - invd - -__main: - post_code(POST_PREPARE_RAMSTAGE) - cld /* Clear direction flag. */ - - movl $CONFIG_RAMTOP, %esp - movl %esp, %ebp - call copy_and_run - -.Lhlt: - post_code(POST_DEAD_CODE) - hlt - jmp .Lhlt diff --git a/src/cpu/via/nano/Kconfig b/src/cpu/via/nano/Kconfig deleted file mode 100644 index 14acfd5662..0000000000 --- a/src/cpu/via/nano/Kconfig +++ /dev/null @@ -1,42 +0,0 @@ -## -## This file is part of the coreboot project. -## -## 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, either version 2 of the License, or -## (at your option) any later version. -## -## 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. -## - -config CPU_VIA_NANO - bool - -if CPU_VIA_NANO - -config CPU_SPECIFIC_OPTIONS - def_bool y - select ARCH_BOOTBLOCK_X86_32 - select ARCH_VERSTAGE_X86_32 - select ARCH_ROMSTAGE_X86_32 - select ARCH_RAMSTAGE_X86_32 - select UDELAY_TSC - select TSC_MONOTONIC_TIMER - select UNKNOWN_TSC_RATE - select MMX - select SSE2 - select SUPPORT_CPU_UCODE_IN_CBFS - select CAR_GLOBAL_MIGRATION - -config DCACHE_RAM_BASE - hex - default 0xffe00000 - -config DCACHE_RAM_SIZE - hex - default 0x8000 - -endif # CPU_VIA_NANO diff --git a/src/cpu/via/nano/Makefile.inc b/src/cpu/via/nano/Makefile.inc deleted file mode 100644 index 6fb699bee0..0000000000 --- a/src/cpu/via/nano/Makefile.inc +++ /dev/null @@ -1,26 +0,0 @@ -## -## This file is part of the coreboot project. -## -## 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, either version 2 of the License, or -## (at your option) any later version. -## -## 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. -## - -subdirs-y += ../../x86/tsc -subdirs-y += ../../x86/mtrr -subdirs-y += ../../x86/lapic -subdirs-y += ../../x86/cache -subdirs-y += ../../x86/smm - -ramstage-y += nano_init.c -ramstage-y += update_ucode.c - -cpu_microcode_bins += 3rdparty/blobs/cpu/via/nano/microcode.bin - -cpu_incs-y += $(src)/cpu/via/car/cache_as_ram.inc diff --git a/src/cpu/via/nano/microcode_blob.c b/src/cpu/via/nano/microcode_blob.c deleted file mode 100644 index 49866428d5..0000000000 --- a/src/cpu/via/nano/microcode_blob.c +++ /dev/null @@ -1,4 +0,0 @@ -unsigned int array[3588] = -{ -#include "../../../../3rdparty/blobs/cpu/via/nano/microcode.h" -}; diff --git a/src/cpu/via/nano/nano_init.c b/src/cpu/via/nano/nano_init.c deleted file mode 100644 index 61d82f12f2..0000000000 --- a/src/cpu/via/nano/nano_init.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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, either version 2 of the License, or - * (at your option) any later version. - * - * 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 "update_ucode.h" -#include <console/console.h> -#include <device/device.h> -#include <cpu/cpu.h> -#include <cpu/x86/mtrr.h> -#include <cpu/x86/msr.h> -#include <cpu/x86/lapic.h> -#include <cpu/x86/cache.h> -#include <delay.h> - -#define MODEL_NANO 0x2 -#define MODEL_NANO_3000_B0 0x8 -#define MODEL_NANO_3000_B2 0xa - -#define NANO_MYSTERIOUS_MSR 0x120e - -static void nano_finish_fid_vid_transition(void) -{ - - msr_t msr; - /* Wait until the power transition ends */ - int cnt = 0; - do { - udelay(16); - msr = rdmsr(IA32_PERF_STATUS); - cnt++; - if (cnt > 128) { - printk(BIOS_WARNING, - "Error while updating multiplier and voltage\n"); - break; - } - } while (msr.lo & ((1 << 16) | (1 << 17))); - - /* Print the new FID and Voltage */ - u8 cur_vid = (msr.lo >> 0) & 0xff; - u8 cur_fid = (msr.lo >> 8) & 0xff; - printk(BIOS_INFO, "New CPU multiplier: %dx\n", cur_fid); - printk(BIOS_INFO, "New Voltage ID : %dx\n", cur_vid); -} - -static void nano_set_max_fid_vid(void) -{ - msr_t msr; - /* Get voltage and frequency info */ - msr = rdmsr(IA32_PERF_STATUS); - u8 min_fid = (msr.hi >> 24); - u8 max_fid = (msr.hi >> 8) & 0xff; - u8 min_vid = (msr.hi >> 16) & 0xff; - u8 max_vid = (msr.hi >> 0) & 0xff; - u8 cur_vid = (msr.lo >> 0) & 0xff; - u8 cur_fid = (msr.lo >> 8) & 0xff; - - printk(BIOS_INFO, "CPU multiplier: %dx (min %dx; max %dx)\n", - cur_fid, min_fid, max_fid); - printk(BIOS_INFO, "Voltage ID : %dx (min %dx; max %dx)\n", - cur_vid, min_vid, max_vid); - - if ((cur_fid != max_fid) || (cur_vid != max_vid)) { - /* Set highest frequency and VID */ - msr.lo = msr.hi; - msr.hi = 0; - wrmsr(IA32_PERF_CTL, msr); - /* Wait for the transition to complete, otherwise, the CPU - * might reset itself repeatedly */ - nano_finish_fid_vid_transition(); - } - /* As a side note, if we didn't update the microcode by this point, the - * second PLL will not lock correctly. The clock will still be provided - * by the first PLL, and execution will continue normally, ___until___ - * the CPU switches PLL. Once that happens we will no longer have a - * working clock source, and the CPU will hang - * Moral of the story: update the microcode, or don't change FID - * This check is handled before calling nano_power() */ -} - -static void nano_power(void) -{ - msr_t msr; - /* Enable Powersaver */ - msr = rdmsr(IA32_MISC_ENABLE); - msr.lo |= (1 << 16); - wrmsr(IA32_MISC_ENABLE, msr); - - /* Enable 6 bit or 7-bit VRM support - * This MSR is not documented by VIA docs, other than setting these - * bits */ - msr = rdmsr(NANO_MYSTERIOUS_MSR); - msr.lo |= ((1 << 7) | (1 << 4)); - /* FIXME: Do we have a 6-bit or 7-bit VRM? - * set bit [5] for 7-bit, or don't set it for 6 bit VRM - * This will probably require a Kconfig option - * My board has a 7-bit VRM, so I can't test the 6-bit VRM stuff */ - msr.lo |= (1 << 5); - wrmsr(NANO_MYSTERIOUS_MSR, msr); - - /* Set the maximum frequency and voltage */ - nano_set_max_fid_vid(); - - /* Enable TM3 */ - msr = rdmsr(IA32_MISC_ENABLE); - msr.lo |= ((1 << 3) | (1 << 13)); - wrmsr(IA32_MISC_ENABLE, msr); - - u8 stepping = (cpuid_eax(0x1)) & 0xf; - if (stepping >= MODEL_NANO_3000_B0) { - /* Hello Nano 3000. The Terminator needs a CPU upgrade */ - /* Enable C1e, C2e, C3e, and C4e states */ - msr = rdmsr(IA32_MISC_ENABLE); - msr.lo |= ((1 << 25) | (1 << 26) | (1 << 31)); /* C1e, C2e, C3e */ - msr.hi |= (1 << 0); /* C4e */ - wrmsr(IA32_MISC_ENABLE, msr); - } - - /* Lock on Powersaver */ - msr = rdmsr(IA32_MISC_ENABLE); - msr.lo |= (1 << 20); - wrmsr(IA32_MISC_ENABLE, msr); -} - -static void nano_init(struct device *dev) -{ - struct cpuinfo_x86 c; - - get_fms(&c, dev->device); - - /* We didn't test this on the Nano 1000/2000 series, so warn the user */ - if (c.x86_mask < MODEL_NANO_3000_B0) { - printk(BIOS_EMERG, "WARNING: This CPU has not been tested. " - "Please report any issues encountered.\n"); - } - switch (c.x86_mask) { - case MODEL_NANO: - printk(BIOS_INFO, "VIA Nano"); - break; - case MODEL_NANO_3000_B0: - printk(BIOS_INFO, "VIA Nano 3000 rev B0"); - break; - case MODEL_NANO_3000_B2: - printk(BIOS_INFO, "VIA Nano 3000 rev B2"); - break; - default: - printk(BIOS_EMERG, "Stepping not recognized: %x\n", c.x86_mask); - } - printk(BIOS_INFO, "\n"); - - /* We only read microcode from CBFS. If we don't have any microcode in - * CBFS, we'll just get back with 0 updates. User choice FTW. */ - unsigned int n_updates = nano_update_ucode(); - - if (n_updates != 0){ - nano_power(); - } else { - /* Changing the frequency or voltage without first updating the - * microcode will hang the CPU, so just don't do it */ - printk(BIOS_EMERG, "WARNING: CPU Microcode not updated.\n" - " Will not change frequency, as this may hang the CPU.\n"); - } - - /* Turn on cache */ - x86_enable_cache(); - /* Set up Memory Type Range Registers */ - x86_setup_mtrrs(); - x86_mtrr_check(); - /* Enable the local CPU APICs */ - setup_lapic(); -} - -static struct device_operations cpu_dev_ops = { - .init = nano_init, -}; - -static const struct cpu_device_id cpu_table[] = { - {X86_VENDOR_CENTAUR, 0x06f2}, // VIA NANO 1000/2000 Series - {X86_VENDOR_CENTAUR, 0x06f8}, // VIA NANO 3000 rev B0 - {X86_VENDOR_CENTAUR, 0x06fa}, // VIA NANO 3000 rev B2 - {0, 0}, -}; - -static const struct cpu_driver driver __cpu_driver = { - .ops = &cpu_dev_ops, - .id_table = cpu_table, -}; diff --git a/src/cpu/via/nano/update_ucode.c b/src/cpu/via/nano/update_ucode.c deleted file mode 100644 index 373a7d8db8..0000000000 --- a/src/cpu/via/nano/update_ucode.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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, either version 2 of the License, or - * (at your option) any later version. - * - * 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 "update_ucode.h" -#include <cpu/x86/msr.h> -#include <console/console.h> -#include <stddef.h> -#include <arch/cpu.h> -#include <cbfs.h> - -static ucode_update_status nano_apply_ucode(const nano_ucode_header *ucode) -{ - printk(BIOS_SPEW, "Attempting to apply microcode update\n"); - - msr_t msr; - /* Address of ucode block goes in msr.lo for 32-bit mode - * Now remember, we need to pass the address of the actual microcode, - * not the header. The header is just there to help us. */ - msr.lo = (unsigned int)(&(ucode->ucode_start)); - msr.hi = 0; - wrmsr(IA32_BIOS_UPDT_TRIG, msr); - - /* Let's see if we updated successfully */ - msr = rdmsr(MSR_UCODE_UPDATE_STATUS); - - return msr.lo & 0x07; -} - -static void nano_print_ucode_info(const nano_ucode_header *ucode) -{ - printk(BIOS_SPEW, "Microcode update information:\n"); - printk(BIOS_SPEW, "Name: %8s\n", ucode->name); - printk(BIOS_SPEW, "Date: %u/%u/%u\n", ucode->month, - ucode->day, ucode->year); -} - -static ucode_validity nano_ucode_is_valid(const nano_ucode_header *ucode) -{ - /* We must have a valid signature */ - if (ucode->signature != NANO_UCODE_SIGNATURE) - return NANO_UCODE_SIGNATURE_ERROR; - /* The size of the head must be exactly 12 double words */ - if ((ucode->total_size - ucode->payload_size) != NANO_UCODE_HEADER_SIZE) - return NANO_UCODE_WRONG_SIZE; - - /* How about a checksum ? Checksum must be 0 - * Two's complement done over the entire file, including the header */ - int i; - u32 check = 0; - u32 *raw = (void *) ucode; - for (i = 0; i < ((ucode->total_size) >> 2); i++) { - check += raw[i]; - } - if (check != 0) - return NANO_UCODE_CHECKSUM_FAIL; - /* Made it here huh? Then it looks valid to us. - * If there's anything else wrong, the CPU will reject the update */ - return NANO_UCODE_VALID; -} - -static void nano_print_ucode_status(ucode_update_status stat) -{ - switch (stat) - { - case UCODE_UPDATE_SUCCESS: - printk(BIOS_INFO, "Microcode update successful.\n"); - break; - case UCODE_UPDATE_FAIL: - printk(BIOS_ALERT, "Microcode update failed, bad environment." - "Update was not applied.\n"); - break; - case UCODE_UPDATE_WRONG_CPU: - printk(BIOS_ALERT, "Update not applicable to this CPU.\n"); - break; - case UCODE_INVALID_UPDATE_BLOCK: - printk(BIOS_ALERT, "Microcode block invalid." - "Update was not applied.\n"); - break; - default: - printk(BIOS_ALERT, "Unknown status. No update applied.\n"); - } -} - -unsigned int nano_update_ucode(void) -{ - size_t i; - unsigned int n_updates = 0; - u32 fms = cpuid_eax(0x1); - /* Considering we are running with eXecute-In-Place (XIP), there's no - * need to worry that accessing data from ROM will slow us down. - * Microcode data should be aligned to a 4-byte boundary, but CBFS - * already does that for us (Do you, CBFS?) */ - u32 *ucode_data; - size_t ucode_len; - - ucode_data = cbfs_boot_map_with_leak("cpu_microcode_blob.bin", - CBFS_TYPE_MICROCODE, &ucode_len); - /* Oops, did you forget to include the microcode ? */ - if (ucode_data == NULL) { - printk(BIOS_ALERT, "WARNING: No microcode file found in CBFS. " - "Aborting microcode updates\n"); - return 0; - } - - /* We might do a lot of loops searching for the microcode updates, but - * keep in mind, nano_ucode_is_valid searches for the signature before - * doing anything else. */ - for (i = 0; i < (ucode_len >> 2); /* don't increment i here */) - { - ucode_update_status stat; - const nano_ucode_header * ucode = (void *)(&ucode_data[i]); - if (nano_ucode_is_valid(ucode) != NANO_UCODE_VALID) { - i++; - continue; - } - /* Since we have a valid microcode, there's no need to search - * in this region, so we restart our search at the end of this - * microcode */ - i += (ucode->total_size >> 2); - /* Is the microcode compatible with our CPU? */ - if (ucode->applicable_fms != fms) continue; - /* For our most curious users */ - nano_print_ucode_info(ucode); - /* The meat of the pie */ - stat = nano_apply_ucode(ucode); - /* The user might want to know how the update went */ - nano_print_ucode_status(stat); - if (stat == UCODE_UPDATE_SUCCESS) n_updates++; - } - - return n_updates; -} diff --git a/src/cpu/via/nano/update_ucode.h b/src/cpu/via/nano/update_ucode.h deleted file mode 100644 index 7cf3f2871c..0000000000 --- a/src/cpu/via/nano/update_ucode.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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, either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ -#ifndef __UPDATE_UCODE_H -#define __UPDATE_UCODE_H - -#include <stdint.h> - -#define MSR_UCODE_UPDATE_STATUS 0x00001205 - -#define NANO_UCODE_SIGNATURE 0x53415252 -#define NANO_UCODE_HEADER_SIZE 0x30 - -/* These are values returned by the CPU after we attempt microcode updates. - * We care what these values are exactly, so we define them to be sure */ -typedef enum { - UCODE_UPDATE_NOT_ATTEMPTED = 0x0, - UCODE_UPDATE_SUCCESS = 0x1, - UCODE_UPDATE_FAIL = 0x2, - UCODE_UPDATE_WRONG_CPU = 0x3, - UCODE_INVALID_UPDATE_BLOCK = 0x4, -} ucode_update_status; - - -typedef enum { - NANO_UCODE_VALID = 0, /* We only care that valid == 0 */ - NANO_UCODE_SIGNATURE_ERROR, - NANO_UCODE_WRONG_SIZE, - NANO_UCODE_CHECKSUM_FAIL, -} ucode_validity; - -typedef struct { - u32 signature; /* NANO_UCODE_SIGNATURE */ - u32 update_revision; /* Revision of the update header */ - u16 year; /* Year of patch release */ - u8 day; /* Day of patch release */ - u8 month; /* Month of patch release */ - u32 applicable_fms; /* Fam/model/stepping to which ucode applies */ - u32 checksum; /* Two's complement checksum of ucode+header */ - u32 loader_revision; /* Revision of hardware ucode update loader*/ - u32 rfu_1; /* Reserved for future use */ - u32 payload_size; /* Size of the ucode payload only */ - u32 total_size; /* Size of the ucode, including header */ - char name[8]; /* ASCII string of ucode filename */ - u32 rfu_2; /* Reserved for future use */ - /* First double-word of the ucode payload - * Its address represents the beginning of the ucode update we need to - * send to the CPU */ - u32 ucode_start; - -} nano_ucode_header; - -unsigned int nano_update_ucode(void); - -#endif /* __UPDATE_UCODE_H */ |