diff options
Diffstat (limited to 'src/mainboard/bap/ode_e21XX/romstage.c')
| -rw-r--r-- | src/mainboard/bap/ode_e21XX/romstage.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/mainboard/bap/ode_e21XX/romstage.c b/src/mainboard/bap/ode_e21XX/romstage.c new file mode 100644 index 0000000000..a5c529e7c5 --- /dev/null +++ b/src/mainboard/bap/ode_e21XX/romstage.c @@ -0,0 +1,120 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 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 <stdint.h> +#include <string.h> +#include <device/pci_def.h> +#include <device/pci_ids.h> +#include <arch/acpi.h> +#include <arch/io.h> +#include <arch/stages.h> +#include <device/pnp_def.h> +#include <arch/cpu.h> +#include <cpu/x86/lapic.h> +#include <console/console.h> +#include <commonlib/loglevel.h> +#include <cpu/amd/car.h> +#include <northbridge/amd/pi/agesawrapper.h> +#include <northbridge/amd/pi/agesawrapper_call.h> +#include <cpu/x86/bist.h> +#include <cpu/x86/lapic.h> +#include <southbridge/amd/pi/hudson/hudson.h> +#include <cpu/amd/pi/s3_resume.h> + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + u32 val; + + /* + * In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for + * LpcClk[1:0]". This following register setting has been + * replicated in every reference design since Parmer, so it is + * believed to be required even though it is not documented in + * the SoC BKDGs. Without this setting, there is no serial + * output. + */ + outb(0xD2, 0xcd6); + outb(0x00, 0xcd7); + + amd_initmmio(); + + hudson_lpc_port80(); + + if (!cpu_init_detectedx && boot_cpu()) { + post_code(0x30); + + post_code(0x31); + console_init(); + } + + /* Halt if there was a built in self test failure */ + post_code(0x34); + report_bist_failure(bist); + + /* 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); + + /* + * This refers to LpcClkDrvSth settling time. Without this setting, processor + * initialization is slow or incorrect, so this wait has been replicated from + * earlier development boards. + */ + { + int i; + for(i = 0; i < 200000; i++) inb(0xCD6); + } + + post_code(0x37); + AGESAWRAPPER(amdinitreset); + + post_code(0x38); + printk(BIOS_DEBUG, "Got past avalon_early_setup\n"); + + post_code(0x39); + AGESAWRAPPER(amdinitearly); + int s3resume = acpi_is_wakeup_s3(); + if (!s3resume) { + post_code(0x40); + AGESAWRAPPER(amdinitpost); + + //PspMboxBiosCmdDramInfo(); + post_code(0x41); + AGESAWRAPPER(amdinitenv); + /* + If code hangs here, please check cahaltasm.S + */ + 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(); + } + + outb(0xEA, 0xCD6); + outb(0x1, 0xcd7); + + post_code(0x50); + copy_and_run(); + + post_code(0x54); /* Should never see this post code. */ +} |