diff options
Diffstat (limited to 'src/mainboard/amd/gardenia/romstage.c')
-rw-r--r-- | src/mainboard/amd/gardenia/romstage.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/mainboard/amd/gardenia/romstage.c b/src/mainboard/amd/gardenia/romstage.c new file mode 100644 index 0000000000..c3e2aa4b62 --- /dev/null +++ b/src/mainboard/amd/gardenia/romstage.c @@ -0,0 +1,94 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Advanced Micro Devices, Inc. + * + * 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 <arch/acpi.h> +#include <arch/io.h> +#include <arch/stages.h> +#include <cpu/x86/lapic.h> +#include <cpu/x86/bist.h> +#include <cpu/amd/car.h> +#include <cpu/amd/pi/s3_resume.h> +#include <northbridge/amd/pi/agesawrapper.h> +#include <northbridge/amd/pi/agesawrapper_call.h> +#include <southbridge/amd/pi/hudson/hudson.h> + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + u32 val; +#if CONFIG_HAVE_ACPI_RESUME + void *resume_backup_memory; +#endif + + amd_initmmio(); + + hudson_lpc_port80(); + + if (!cpu_init_detectedx && boot_cpu()) { + post_code(0x30); + +#if IS_ENABLED(CONFIG_HUDSON_UART) + configure_hudson_uart(); +#endif + post_code(0x31); + console_init(); + } + + /* Halt if there was a built in self test failure */ + post_code(0x34); + report_bist_failure(bist & 0x7FFFFFFF); /* Mask bit 31. One result of Silicon Observation */ + + /* Load MPB */ + val = cpuid_eax(1); + printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val); + printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx); + + post_code(0x37); + AGESAWRAPPER(amdinitreset); + post_code(0x38); + printk(BIOS_DEBUG, "Got past agesawrapper_amdinitreset\n"); + + post_code(0x39); + AGESAWRAPPER(amdinitearly); + int s3resume = acpi_is_wakeup_s3(); + if (!s3resume) { + post_code(0x40); + AGESAWRAPPER(amdinitpost); + post_code(0x41); + AGESAWRAPPER(amdinitenv); + /* TODO: Disable cache is not ok. */ + disable_cache_as_ram(); + } else { /* S3 detect */ + printk(BIOS_INFO, "S3 detected\n"); + + post_code(0x60); + AGESAWRAPPER(amdinitresume); + + AGESAWRAPPER(amds3laterestore); + + post_code(0x61); + prepare_for_resume(); + } + + if (s3resume || acpi_is_wakeup_s4()) { + outb(0xEE, PM_INDEX); + outb(0x8, PM_DATA); + } + + post_code(0x50); + copy_and_run(); + + post_code(0x54); /* Should never see this post code. */ +} |