diff options
author | WANG Siyuan <wangsiyuanbuaa@gmail.com> | 2013-08-13 17:09:51 +0800 |
---|---|---|
committer | Bruce Griffith <Bruce.Griffith@se-eng.com> | 2013-08-27 19:08:36 +0200 |
commit | f77f734d38364e9ea48d10e4a4e19f4e2da9bde0 (patch) | |
tree | 8feccf546b2850410abeba27265579e5ae2519b8 /src/mainboard/asrock/imb-a180/romstage.c | |
parent | a9b01d13476eae77b4a1f1679b29eced69684492 (diff) |
ASRock IMB-A180: Add new AMD Embedded G-Series SOC mainboard
Tested on Ubuntu 12.10. S3 is supported. No HD Audio.
Mainboard details: http://www.asrock.com/ipc/overview.asp?Model=IMB-A180
Change-Id: I75254194ab5da8e5c61383d8f85aa4e300815637
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Reviewed-on: http://review.coreboot.org/3880
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Dave Frodin <dave.frodin@se-eng.com>
Diffstat (limited to 'src/mainboard/asrock/imb-a180/romstage.c')
-rw-r--r-- | src/mainboard/asrock/imb-a180/romstage.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/mainboard/asrock/imb-a180/romstage.c b/src/mainboard/asrock/imb-a180/romstage.c new file mode 100644 index 0000000000..9b069b77ce --- /dev/null +++ b/src/mainboard/asrock/imb-a180/romstage.c @@ -0,0 +1,200 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> +#include <string.h> +#include <device/pci_def.h> +#include <device/pci_ids.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 <console/loglevel.h> +#include "agesawrapper.h" +#include "cpu/x86/bist.h" +#include "cpu/x86/lapic.h" +#include "southbridge/amd/agesa/hudson/hudson.h" +#include "cpu/amd/agesa/s3_resume.h" +#include "src/drivers/pc80/i8254.c" +#include "src/drivers/pc80/i8259.c" +#include "cbmem.h" +#include "superio/winbond/w83627uhg/early_serial.c" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627UHG_SP1) + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx); +void disable_cache_as_ram(void); + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + u32 val, t32; + u32 *addr32; +#if CONFIG_HAVE_ACPI_RESUME + void *resume_backup_memory; +#endif + + /* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for + * LpcClk[1:0]". To be consistent with Parmer, setting to 4mA + * even though the register is not documented in the Kabini BKDG. + * Otherwise the serial output is bad code. + */ + //outb(0xD2, 0xcd6); + //outb(0x00, 0xcd7); + + val = agesawrapper_amdinitmmio(); + + hudson_lpc_port80(); + + /* Enable the AcpiMmio space */ + outb(0x24, 0xcd6); + outb(0x1, 0xcd7); + + /* Set auxiliary output clock frequency on OSCOUT1 pin to be 48MHz */ + addr32 = (u32 *)0xfed80e28; + t32 = *addr32; + t32 &= 0xfff8ffff; + *addr32 = t32; + + /* Enable Auxiliary Clock1, disable FCH 14 MHz OscClk */ + addr32 = (u32 *)0xfed80e40; + t32 = *addr32; + t32 &= 0xffffbffb; + *addr32 = t32; + + if (!cpu_init_detectedx && boot_cpu()) { + post_code(0x30); + post_code(0x31); + + /* Set w83627uhg to 48MHz and enable w83627uhg */ + w83627uhg_set_input_clk_sel(SERIAL_DEV, 0); + w83627uhg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + + 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); + + /* On Larne, after LpcClkDrvSth is set, it needs some time to be stable, because of the buffer ICS551M */ + int i; + for(i = 0; i < 200000; i++) + val = inb(0xcd6); + + post_code(0x37); + val = agesawrapper_amdinitreset(); + if(val) { + printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val); + } + + post_code(0x38); + printk(BIOS_DEBUG, "Got past yangtze_early_setup\n"); + + post_code(0x39); + + val = agesawrapper_amdinitearly (); + if(val) { + printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val); + } + printk(BIOS_DEBUG, "Got past agesawrapper_amdinitearly\n"); + +#if CONFIG_HAVE_ACPI_RESUME + if (!acpi_is_wakeup_early()) { /* Check for S3 resume */ +#endif + post_code(0x40); + val = agesawrapper_amdinitpost (); + if(val) { + printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val); + } + printk(BIOS_DEBUG, "Got past agesawrapper_amdinitpost\n"); + + post_code(0x41); + val = agesawrapper_amdinitenv (); + if(val) { + printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val); + } + printk(BIOS_DEBUG, "Got past agesawrapper_amdinitenv\n"); + /* TODO: Disable cache is not ok. */ + disable_cache_as_ram(); +#if CONFIG_HAVE_ACPI_RESUME + } else { /* S3 detect */ + printk(BIOS_INFO, "S3 detected\n"); + + post_code(0x60); + printk(BIOS_DEBUG, "agesawrapper_amdinitresume "); + val = agesawrapper_amdinitresume(); + if (val) + printk(BIOS_DEBUG, "error level: %x \n", val); + else + printk(BIOS_DEBUG, "passed.\n"); + + printk(BIOS_DEBUG, "agesawrapper_amds3laterestore "); + val = agesawrapper_amds3laterestore (); + if (val) + printk(BIOS_DEBUG, "error level: %x \n", val); + else + printk(BIOS_DEBUG, "passed.\n"); + + post_code(0x61); + printk(BIOS_DEBUG, "Find resume memory location\n"); + resume_backup_memory = (void *)backup_resume(); + + post_code(0x62); + printk(BIOS_DEBUG, "Move CAR stack.\n"); + move_stack_high_mem(); + printk(BIOS_DEBUG, "stack moved to: 0x%x\n", (u32) (resume_backup_memory + HIGH_MEMORY_SAVE)); + + post_code(0x63); + disable_cache_as_ram(); + printk(BIOS_DEBUG, "CAR disabled.\n"); + set_resume_cache(); + + /* + * Copy the system memory that is in the ramstage area to the + * reserved area. + */ + if (resume_backup_memory) + memcpy(resume_backup_memory, (void *)(CONFIG_RAMBASE), HIGH_MEMORY_SAVE); + + printk(BIOS_DEBUG, "System memory saved. OK to load ramstage.\n"); + } +#endif + + outb(0xEA, 0xCD6); + outb(0x1, 0xcd7); + /* Initialize i8259 pic */ + post_code(0x41); + setup_i8259 (); + + /* Initialize i8254 timers */ + post_code(0x42); + setup_i8254 (); + + post_code(0x50); + copy_and_run(); + + post_code(0x54); /* Should never see this post code. */ +} |