diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/picasso/romstage.c | 58 |
1 files changed, 14 insertions, 44 deletions
diff --git a/src/soc/amd/picasso/romstage.c b/src/soc/amd/picasso/romstage.c index 257ae6789d..8b8d3297ac 100644 --- a/src/soc/amd/picasso/romstage.c +++ b/src/soc/amd/picasso/romstage.c @@ -1,9 +1,6 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2015-2016 Advanced Micro Devices, Inc. - * Copyright (C) 2015 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. @@ -14,26 +11,18 @@ * GNU General Public License for more details. */ -#include <device/pci_ops.h> #include <arch/cpu.h> #include <arch/romstage.h> #include <arch/acpi.h> #include <cpu/x86/msr.h> -#include <cpu/x86/mtrr.h> -#include <cpu/x86/smm.h> #include <cpu/amd/mtrr.h> #include <cbmem.h> #include <commonlib/helpers.h> #include <console/console.h> -#include <device/device.h> #include <program_loading.h> #include <romstage_handoff.h> #include <elog.h> -#include <soc/northbridge.h> #include <soc/romstage.h> -#include <soc/southbridge.h> - -#include "chip.h" void __weak mainboard_romstage_entry_s3(int s3_resume) { @@ -42,52 +31,33 @@ void __weak mainboard_romstage_entry_s3(int s3_resume) asmlinkage void car_stage_entry(void) { - struct postcar_frame pcf; - uintptr_t top_of_ram; - int s3_resume = acpi_s3_resume_allowed() && acpi_is_wakeup_s3(); + uintptr_t top_of_mem; + int s3_resume; + post_code(0x40); console_init(); + post_code(0x41); + s3_resume = acpi_s3_resume_allowed() && acpi_is_wakeup_s3(); mainboard_romstage_entry_s3(s3_resume); elog_boot_notify(s3_resume); - if (!s3_resume) { - post_code(0x40); - } else { - printk(BIOS_INFO, "S3 detected\n"); - post_code(0x60); - } + post_code(0x42); + u32 val = cpuid_eax(1); + printk(BIOS_DEBUG, "Family_Model: %08x\n", val); post_code(0x43); + top_of_mem = ALIGN_DOWN(rdmsr(TOP_MEM).lo, 8 * MiB); + backup_top_of_low_cacheable(top_of_mem); + + post_code(0x44); if (cbmem_recovery(s3_resume)) printk(BIOS_CRIT, "Failed to recover cbmem\n"); if (romstage_handoff_init(s3_resume)) printk(BIOS_ERR, "Failed to set romstage handoff data\n"); - if (CONFIG(SMM_TSEG)) - smm_list_regions(); - - post_code(0x44); - if (postcar_frame_init(&pcf, 1 * KiB)) - die("Unable to initialize postcar frame.\n"); - - /* - * We need to make sure ramstage will be run cached. At this point exact - * location of ramstage in cbmem is not known. Instruct postcar to cache - * 16 megs under cbmem top which is a safe bet to cover ramstage. - */ - top_of_ram = (uintptr_t) cbmem_top(); - postcar_frame_add_mtrr(&pcf, top_of_ram - 16*MiB, 16*MiB, - MTRR_TYPE_WRBACK); - - /* Cache the memory-mapped boot media. */ - postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT); - - /* Cache the TSEG region */ - postcar_enable_tseg_cache(&pcf); - post_code(0x45); - run_postcar_phase(&pcf); + run_ramstage(); - post_code(0x50); /* Should never see this post code. */ + post_code(0x50); /* Should never see this post code. */ } |