#define ASSEMBLY 1 #include #include #include #include #include #include #include "pc80/serial.c" #include "arch/i386/lib/console.c" #include "ram/ramtest.c" #include "superio/NSC/pc87360/pc87360_early_serial.c" #include "cpu/x86/bist.h" #include "cpu/x86/msr.h" #include #define SERIAL_DEV PNP_DEV(0x2e, PC87360_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 = 0x10075012; msr.lo = 0x3900; wrmsr(0x20000018, msr); msr = rdmsr(0x20000019); msr.hi = 0x18000008; msr.lo = 0x696332a3; wrmsr(0x20000019, msr); } #include "northbridge/amd/gx2/raminit.c" #include "sdram/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" 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; msr_init(); pc87360_enable_serial(SERIAL_DEV, TTYS0_BASE); uart_init(); console_init(); cs5535_early_setup(); print_err("done cs5535 early\n"); pll_reset(); print_err("done pll_reset\n"); /* Halt if there was a built in self test failure */ //report_bist_failure(bist); 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); }