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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 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; 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.
*
* 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 <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <arch/hlt.h>
#include <stdlib.h>
#include "pc80/serial.c"
#include "console/console.c"
#include "lib/ramtest.c"
#include "cpu/x86/bist.h"
#include "cpu/x86/msr.h"
#include <cpu/amd/lxdef.h>
#include <cpu/amd/geode_post_code.h>
#include "southbridge/amd/cs5536/cs5536.h"
#include "spd_table.h"
#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
#include "southbridge/amd/cs5536/cs5536_early_setup.c"
#define DIMM0 0xA0
#define DIMM1 0xA2
static int spd_read_byte(unsigned device, unsigned address)
{
int i;
if (device == DIMM0){
for (i=0; i < (ARRAY_SIZE(spd_table)); i++){
if (spd_table[i].address == address){
return spd_table[i].data;
}
}
}
/* returns 0xFF on any failures */
return 0xFF;
}
#define ManualConf 0 /* Do automatic strapped PLL config */
/* CPU and GLIU mult/div 500/266*/
#define PLLMSRhi 0x0000039C /* 33MHz PCI, 0x000003DD for 66MHz PCI */
/* Hold Count - how long we will sit in reset */
#define PLLMSRlo 0x00DE6000
#include "northbridge/amd/lx/raminit.h"
#include "northbridge/amd/lx/pll_reset.c"
#include "northbridge/amd/lx/raminit.c"
#include "lib/generic_sdram.c"
#include "cpu/amd/model_lx/cpureginit.c"
#include "cpu/amd/model_lx/syspreinit.c"
struct msrinit {
u32 msrnum;
msr_t msr;
};
static const struct msrinit msr_table[] =
{
{CPU_RCONF_DEFAULT, {.hi = 0x24fffc02,.lo = 0x1000A000}}, /* Setup access to cache under 1MB.
* Rom Properties: Write Serialize, WriteProtect.
* RomBase: 0xFFFC0
* SysTop to RomBase Properties: Write Serialize, Cache Disable.
* SysTop: 0x000A0
* System Memory Properties: (Write Back) */
{CPU_RCONF_A0_BF, {.hi = 0x00000000,.lo = 0x00000000}}, /* 0xA0000-0xBFFFF : (Write Back) */
{CPU_RCONF_C0_DF, {.hi = 0x00000000,.lo = 0x00000000}}, /* 0xC0000-0xDFFFF : (Write Back) */
{CPU_RCONF_E0_FF, {.hi = 0x00000000,.lo = 0x00000000}}, /* 0xE0000-0xFFFFF : (Write Back) */
/* Setup access to memory under 1MB. Note: VGA hole at 0xA0000-0xBFFFF */
{MSR_GLIU0_BASE1, {.hi = 0x20000000,.lo = 0x000fff80}}, // 0x00000-0x7FFFF
{MSR_GLIU0_BASE2, {.hi = 0x20000000,.lo = 0x080fffe0}}, // 0x80000-0x9FFFF
{MSR_GLIU0_SHADOW, {.hi = 0x2000FFFF,.lo = 0xFFFF0003}}, // 0xC0000-0xFFFFF
{MSR_GLIU1_BASE1, {.hi = 0x20000000,.lo = 0x000fff80}}, // 0x00000-0x7FFFF
{MSR_GLIU1_BASE2, {.hi = 0x20000000,.lo = 0x080fffe0}}, // 0x80000-0x9FFFF
{MSR_GLIU1_SHADOW, {.hi = 0x2000FFFF,.lo = 0xFFFF0003}}, // 0xC0000-0xFFFFF
};
static void msr_init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(msr_table); i++)
wrmsr(msr_table[i].msrnum, msr_table[i].msr);
}
static void mb_gpio_init(void)
{
/* Early mainboard specific GPIO setup */
}
void cache_as_ram_main(void)
{
post_code(0x01);
msr_t msr;
static const struct mem_controller memctrl[] = {
{.channel0 = {(0xa << 3) | 0, (0xa << 3) | 1}}
};
SystemPreInit();
msr_init();
cs5536_early_setup();
/* NOTE: must do this AFTER the early_setup!
* it is counting on some early MSR setup
* for cs5536
*/
/* cs5536_disable_internal_uart disable them. Set them up now... */
cs5536_setup_onchipuart(2); /* dbe61 uses UART2 as COM1 */
/* set address to 3F8 */
msr = rdmsr(MDD_LEG_IO);
msr.lo |= 0x7 << 20;
wrmsr(MDD_LEG_IO, msr);
mb_gpio_init();
uart_init();
console_init();
pll_reset(ManualConf);
cpuRegInit();
sdram_initialize(1, memctrl);
/* Dump memory configuratation */
/*{
msr_t msr;
msr = rdmsr(MC_CF07_DATA);
print_debug("MC_CF07_DATA: ");
print_debug_hex32(MC_CF07_DATA);
print_debug(" value is: ");
print_debug_hex32(msr.hi);
print_debug(":");
print_debug_hex32(msr.lo);
print_debug(" \n");
msr = rdmsr(MC_CF1017_DATA);
print_debug("MC_CF1017_DATA: ");
print_debug_hex32(MC_CF1017_DATA);
print_debug(" value is: ");
print_debug_hex32(msr.hi);
print_debug(":");
print_debug_hex32(msr.lo);
print_debug(" \n");
msr = rdmsr(MC_CF8F_DATA);
print_debug("MC_CF8F_DATA: ");
print_debug_hex32(MC_CF8F_DATA);
print_debug(" value is: ");
print_debug_hex32(msr.hi);
print_debug(":");
print_debug_hex32(msr.lo);
msr = rdmsr(MC_CF8F_DATA);
print_debug(" \n");
}*/
/* Check memory. */
/* ram_check(0x00000000, 640 * 1024); */
}
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