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#define ASSEMBLY 1
#define __PRE_RAM__
#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 "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "lib/ramtest.c"
#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
#include "cpu/x86/bist.h"
#include "cpu/x86/msr.h"
#include <cpu/amd/gx2def.h>
#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
#include "southbridge/amd/cs5535/cs5535_early_smbus.c"
#include "southbridge/amd/cs5535/cs5535_early_setup.c"
#include "northbridge/amd/gx2/raminit.h"
/* this has to be done on a per-mainboard basis, esp. if you don't have smbus */
static void sdram_set_spd_registers(const struct mem_controller *ctrl)
{
msr_t msr;
/* 1. Initialize GLMC registers base on SPD values,
* Hard coded as XpressROM for now */
//print_debug("sdram_enable step 1\r\n");
msr = rdmsr(0x20000018);
msr.hi = 0x10076013;
msr.lo = 0x3400;
wrmsr(0x20000018, msr);
msr = rdmsr(0x20000019);
msr.hi = 0x18000008;
msr.lo = 0x696332a3;
wrmsr(0x20000019, msr);
}
#include "northbridge/amd/gx2/raminit.c"
#include "lib/generic_sdram.c"
#define PLLMSRhi 0x00000226
#define PLLMSRlo 0x00000008
#define PLLMSRlo1 ((0xde << 16) | (1 << 26) | (1 << 24))
#define PLLMSRlo2 ((1<<14) |(1<<13) | (1<<0))
#include "northbridge/amd/gx2/pll_reset.c"
#include "cpu/amd/model_gx2/cpureginit.c"
#include "cpu/amd/model_gx2/syspreinit.c"
static void msr_init(void)
{
__builtin_wrmsr(0x1808, 0x10f3bf00, 0x22fffc02);
__builtin_wrmsr(0x10000020, 0xfff80, 0x20000000);
__builtin_wrmsr(0x10000021, 0x80fffe0, 0x20000000);
__builtin_wrmsr(0x10000026, 0x400fffc0, 0x2cfbc040);
__builtin_wrmsr(0x10000027, 0xfff00000, 0xff);
__builtin_wrmsr(0x10000028, 0x7bf00100, 0x2000000f);
__builtin_wrmsr(0x1000002c, 0xff030003, 0x20000000);
__builtin_wrmsr(0x10000080, 0x3, 0x0);
__builtin_wrmsr(0x40000020, 0xfff80, 0x20000000);
__builtin_wrmsr(0x40000021, 0x80fffe0, 0x20000000);
__builtin_wrmsr(0x40000023, 0x400fffc0, 0x20000040);
__builtin_wrmsr(0x40000024, 0xff4ffffc, 0x200000ef);
__builtin_wrmsr(0x40000029, 0x7bf00100, 0x2000000f);
__builtin_wrmsr(0x4000002d, 0xff030003, 0x20000000);
__builtin_wrmsr(0x50002001, 0x27, 0x0);
__builtin_wrmsr(0x4c002001, 0x1, 0x0);
}
static void main(unsigned long bist)
{
static const struct mem_controller memctrl [] = {
{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
};
unsigned char temp;
SystemPreInit();
msr_init();
w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
uart_init();
console_init();
cs5535_early_setup();
print_err("done cs5535 early\n");
pll_reset();
print_err("done pll_reset\n");
cpuRegInit();
print_err("done cpuRegInit\n");
sdram_initialize(1, memctrl);
print_err("Done sdram_initialize\n");
print_err("Disable watchdog\n");
outb( 0x87, 0x4E); //enter SuperIO configuration mode
outb( 0x87, 0x4E);
outb(0x20, 0x4e);
temp = inb(0x4f);
print_debug_hex8(temp);
if (temp != 0x52){
print_err("CAN NOT READ SUPERIO VID\n");
}
outb(0x29, 0x4e);
outb(0x7c, 0x4f);
outb( 0x07, 0x4E); //enable logical device 9
outb( 0x09, 0x4F);
outb(0x30, 0x4e);
outb(1, 0x4f);
outb( 0xF0, 0x4E); //set GP33 as outbut in configuration register F0h Bit4 = \u20180\u2019
outb( 0xC7, 0x4F);
outb( 0xF1, 0x4E); //clr GP33 (Bit4) value in cofiguration register F1h to \u20181\u2019 disables
temp = inb(0x4F); //watchdog function. Make sure to let the other Bits unchanged!
print_debug_hex8(temp);print_debug(":");
temp = temp & ~8;
outb( temp, 0x4F);
temp = inb(0x4F); //watchdog function. Make sure to let the other Bits unchanged!
print_debug_hex8(temp);print_debug("\n");
/* Check all of memory */
// ram_check(0, 16384);
ram_check(0x20000, 0x24000);
// ram_check(0x00000000, 640*1024);
}
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