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coreboot-kgpe-d16
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something is wrong here but not sure what. 

But nothing is getting set into the north bridge.


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1154 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich 2003-09-26 22:45:54 +00:00
parent f3c17ca234
commit 854d234a06
2 changed files with 50 additions and 7 deletions
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2
src/mainboard/via/epia/auto.c
View File

@ -24,7 +24,7 @@ void udelay(int usecs) {
#include "debug.c"
#include "southbridge/via/vt8231/vt8231_early_smbus.c"
#define SIO_BASE 0x2e
#define MAXIMUM_CONSOLE_LOGLEVEL 9
#define DEFAULT_CONSOLE_LOGLEVEL 9

55
src/northbridge/via/vt8601/raminit.c
View File

@ -316,18 +316,53 @@ msg_bytes:
#define UDELAY(x) movl $x,%ecx; 9: outb %al,$0x81; loop 9b
void dimms_read(unsigned long x) {
unsigned long eax;
volatile unsigned long y;
eax = x;
for(; eax < 0x60000000; eax += 0x10000000)
for(; eax < 0x60000000; eax += 0x10000000){
print_err("dimms_read: ");
print_err_hex32(eax);
print_err("\r\n");
y = * (volatile unsigned long *) eax;
}
}
void dimms_write(int x) {
print_err("dimms_write: \r\n");
unsigned long eax = x;
for(; eax < 0x60000000; eax += 0x10000000)
for(; eax < 0x60000000; eax += 0x10000000) {
print_err("dimms_read: ");
print_err_hex32(eax);
print_err("\r\n");
*(volatile unsigned long *) eax = 0;
}
}
#define setnorthb pci_write_config8
#if 0
void setnorthb(device_t north, uint8_t reg, uint8_t val) {
print_err("setnorth: reg ");
print_err_hex8(reg);
print_err(" to ");
print_err_hex8(val);
print_err("\r\n");
pci_write_config8(north, reg, val);
}
#endif
void
dumpnorth(device_t north) {
uint8_t r, c;
for(r = 0; r < 256; r += 16) {
print_err_hex8(r);
print_err(":");
for(c = 0; c < 16; c++) {
print_err_hex8(pci_read_config8(north, r+c));
print_err(" ");
}
print_err("\r\n");
}
}
static void sdram_set_registers(const struct mem_controller *ctrl) {
static const uint16_t raminit_ma_reg_table[] = {
/* Values for MA type register to try */
@ -339,11 +374,17 @@ static const uint16_t raminit_ma_reg_table[] = {
uint8_t c, r;
print_err("vt8601 init starting\n");
north = pci_locate_device(PCI_ID(0x1106, 0x8601), north);
north = pci_locate_device(PCI_ID(0x1106, 0x8601), 0);
print_err_hex32(north);
print_err(" is the north\n");
print_err_hex16(pci_read_config16(north, 0));
print_err(" ");
print_err_hex16(pci_read_config16(north, 2));
print_err("\r\n");
// memory clk enable. We are not using ECC
pci_write_config8(north,0x78, 0x01);
print_err_hex8(pci_read_config8(north, 0x78));
// dram control, see the book.
#if DIMM_PC133
pci_write_config8(north,0x68, 0x52);
@ -354,6 +395,7 @@ static const uint16_t raminit_ma_reg_table[] = {
pci_write_config8(north,0x6B, 0x0c);
// Initial setting, 256MB in each bank, will be rewritten later.
pci_write_config8(north,0x5A, 0x20);
print_err_hex8(pci_read_config8(north, 0x5a));
pci_write_config8(north,0x5B, 0x40);
pci_write_config8(north,0x5C, 0x60);
pci_write_config8(north,0x5D, 0x80);
@ -380,7 +422,7 @@ static const uint16_t raminit_ma_reg_table[] = {
pci_write_config8(north,0x65, 0xe4);
pci_write_config8(north,0x66, 0xe4);
#endif
dumpnorth(north);
// dram frequency select.
// enable 4K pages for 64M dram.
#if DIMM_PC133
@ -532,10 +574,11 @@ static const uint16_t raminit_ma_reg_table[] = {
}
pci_write_config8(north,0x58, raminit_ma_reg_table[best]);
print_err("enabled first bank of ram ...\n");
print_err("enabled first bank of ram ... ma is ");
print_err_hex8(pci_read_config8(north, 0x58));
print_err("\r\n");
}
}
print_err("vt8601 done\n");
}