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authorRonald G. Minnich <rminnich@gmail.com>2003-10-23 15:09:58 +0000
committerRonald G. Minnich <rminnich@gmail.com>2003-10-23 15:09:58 +0000
commit367e5971646ca221bcff6d6003553d7b223b7333 (patch)
treeb637eaa2f8b23e9b6a452c999ad55d1fada35fb8 /src/northbridge/via/vt8601
parent88fbae24bc83b46b1a1f2ba88643462053dae5cf (diff)
fixes from SONE
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1228 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/via/vt8601')
-rw-r--r--src/northbridge/via/vt8601/raminit.c116
1 files changed, 61 insertions, 55 deletions
diff --git a/src/northbridge/via/vt8601/raminit.c b/src/northbridge/via/vt8601/raminit.c
index 5321e60f66..2633d9d36a 100644
--- a/src/northbridge/via/vt8601/raminit.c
+++ b/src/northbridge/via/vt8601/raminit.c
@@ -55,9 +55,9 @@ void dimms_read(unsigned long x)
eax = x;
for(c = 0; c < 6; c++) {
- print_err("dimms_read: ");
- print_err_hex32(eax);
- print_err("\r\n");
+ print_debug("dimms_read: ");
+ print_debug_hex32(eax);
+ print_debug("\r\n");
y = * (volatile unsigned long *) eax;
eax += 0x10000000;
}
@@ -68,9 +68,9 @@ void dimms_write(int x)
uint8_t c;
unsigned long eax = x;
for(c = 0; c < 6; c++) {
- print_err("dimms_write: ");
- print_err_hex32(eax);
- print_err("\r\n");
+ print_debug("dimms_write: ");
+ print_debug_hex32(eax);
+ print_debug("\r\n");
*(volatile unsigned long *) eax = 0;
eax += 0x10000000;
}
@@ -81,11 +81,11 @@ void dimms_write(int x)
#ifdef DEBUG_SETNORTHB
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");
+ print_debug("setnorth: reg ");
+ print_debug_hex8(reg);
+ print_debug(" to ");
+ print_debug_hex8(val);
+ print_debug("\r\n");
pci_write_config8(north, reg, val);
}
#else
@@ -97,13 +97,13 @@ dumpnorth(device_t north)
{
uint8_t r, c;
for(r = 0; r < 256; r += 16) {
- print_err_hex8(r);
- print_err(":");
+ print_debug_hex8(r);
+ print_debug(":");
for(c = 0; c < 16; c++) {
- print_err_hex8(pci_read_config8(north, r+c));
- print_err(" ");
+ print_debug_hex8(pci_read_config8(north, r+c));
+ print_debug(" ");
}
- print_err("\r\n");
+ print_debug("\r\n");
}
}
@@ -120,22 +120,22 @@ static void sdram_set_registers(const struct mem_controller *ctrl)
device_t north = (device_t) 0;
uint8_t c, r;
- print_err("vt8601 init starting\n");
+ print_err("vt8601 init starting\r\n");
north = pci_locate_device(PCI_ID(0x1106, 0x8601), 0);
north = 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");
+ print_debug_hex32(north);
+ print_debug(" is the north\n");
+ print_debug_hex16(pci_read_config16(north, 0));
+ print_debug(" ");
+ print_debug_hex16(pci_read_config16(north, 2));
+ print_debug("\r\n");
/* All we are doing now is setting initial known-good values that will
* be revised later as we read SPD
*/
// memory clk enable. We are not using ECC
pci_write_config8(north,0x78, 0x01);
- print_err_hex8(pci_read_config8(north, 0x78));
+ print_debug_hex8(pci_read_config8(north, 0x78));
// dram control, see the book.
#if DIMM_PC133
pci_write_config8(north,0x68, 0x52);
@@ -146,7 +146,7 @@ static void sdram_set_registers(const struct mem_controller *ctrl)
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));
+ print_debug_hex8(pci_read_config8(north, 0x5a));
pci_write_config8(north,0x5B, 0x40);
pci_write_config8(north,0x5C, 0x60);
pci_write_config8(north,0x5D, 0x80);
@@ -220,11 +220,15 @@ do_module_size(unsigned char slot /*, unsigned char base) */)
/* is the module there? if byte 2 is not 4, then we'll assume it
* is useless.
*/
- if (smbus_read_byte(module, 2) != 4)
+ if (smbus_read_byte(module, 2) != 4) {
+ print_err("Slot ");
+ print_err_hex8(slot);
+ print_err(" is empty\r\n");
goto done;
+ }
- //print_err_hex8(slot);
- // print_err(" is SDRAM\n");
+ //print_debug_hex8(slot);
+ // print_debug(" is SDRAM\n");
width = smbus_read_byte(module, 6) | (smbus_read_byte(module,7)<<0);
banks = smbus_read_byte(module, 17);
/* we're going to assume symmetric banks. Sorry. */
@@ -239,15 +243,15 @@ do_module_size(unsigned char slot /*, unsigned char base) */)
value -= 23;
/* now subtract 3 more bits as these are 8-bit bytes */
value -= 3;
- // print_err_hex8(value);
- // print_err(" is the # bits for this bank\n");
+ // print_debug_hex8(value);
+ // print_debug(" is the # bits for this bank\n");
/* now put that size into the correct register */
value = (1 << value);
done:
reg = ramregs[slot];
- // print_err_hex8(value); print_err(" would go into ");
- // print_err_hex8(ramregs[reg]); print_err("\n");
+ // print_debug_hex8(value); print_debug(" would go into ");
+ // print_debug_hex8(ramregs[reg]); print_debug("\n");
// pci_write_config8(north, ramregs[reg], value);
return value;
}
@@ -272,7 +276,7 @@ static void sdram_set_spd_registers(const struct mem_controller *ctrl)
val = (Trp << 7) | (Tras << 6) | (casl << 4) | 4;
- print_err_hex8(val); print_err(" is the computed timing\n");
+ print_debug_hex8(val); print_debug(" is the computed timing\n");
/* don't set it. Experience shows that this screwy chipset should just
* be run with the most conservative timing.
* pci_write_config8(0, 0x64, val);
@@ -299,19 +303,19 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
/* set NOP*/
pci_write_config8(north,0x6C, 0x01);
- print_err("NOP\r\n");
+ print_debug("NOP\r\n");
/* wait 200us*/
// You need to do the memory reference. That causes the nop cycle.
dimms_read(0);
udelay(400);
- print_err("PRECHARGE\r\n");
+ print_debug("PRECHARGE\r\n");
/* set precharge */
pci_write_config8(north,0x6C, 0x02);
- print_err("DUMMY READS\r\n");
+ print_debug("DUMMY READS\r\n");
/* dummy reads*/
dimms_read(0);
udelay(200);
- print_err("CBR\r\n");
+ print_debug("CBR\r\n");
/* set CBR*/
pci_write_config8(north,0x6C, 0x04);
@@ -332,7 +336,7 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
udelay(200);
dimms_read(0);
udelay(200);
- print_err("MRS\r\n");
+ print_debug("MRS\r\n");
/* set MRS*/
pci_write_config8(north,0x6c, 0x03);
#if DIMM_CL2
@@ -341,21 +345,21 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
dimms_read(0x1d0);
#endif
udelay(200);
- print_err("NORMAL\r\n");
+ print_debug("NORMAL\r\n");
/* set to normal mode */
pci_write_config8(north,0x6C, 0x08);
dimms_write(0x55aa55aa);
dimms_read(0);
udelay(200);
- print_err("set ref. rate\r\n");
+ print_debug("set ref. rate\r\n");
// Set the refresh rate.
#if DIMM_PC133
pci_write_config8(north,0x6A, 0x86);
#else
pci_write_config8(north,0x6A, 0x65);
#endif
- print_err("enable multi-page open\r\n");
+ print_debug("enable multi-page open\r\n");
// enable multi-page open
pci_write_config8(north,0x6B, 0x0d);
@@ -374,21 +378,21 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
pci_write_config8(north,0x56, 0xff);
pci_write_config8(north,0x57, 0xff);
dumpnorth(north);
- print_err("MA\r\n");
+ print_debug("MA\r\n");
for(c = 0; c < 8; c++) {
/* Write different values to 0 and 8, then read from 0.
* If values of address 0 match, we have something there. */
- print_err("write to 0\r\n");
+ print_debug("write to 0\r\n");
*(volatile unsigned long *) 0 = 0x12345678;
/* LEAVE THIS HERE. IT IS ESSENTIAL. OTHERWISE BUFFERING
* WILL FOOL YOU!
*/
- print_err("write to 8\r\n");
+ print_debug("write to 8\r\n");
*(volatile unsigned long *) 8 = 0x87654321;
if (*(volatile unsigned long *) 0 != 0x12345678) {
- print_err("no memory in this bank\r\n");
+ print_debug("no memory in this bank\r\n");
/* No memory in this bank. Tell it to the bridge. */
pci_write_config8(north,ramregs[c], 0);
}
@@ -404,7 +408,7 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
pci_write_config8(north,0x58, raminit_ma_reg_table[r]);
* (volatile unsigned long *) eax = 0;
- print_err(" done write to eax\r\n");
+ print_debug(" done write to eax\r\n");
// Write to addresses with only one address bit
// on, from 0x80000000 to 0x00000008 (lower 3 bits
// are ignored, assuming 64-bit bus). Then what
@@ -416,20 +420,20 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
eax = 0x80000000;
while (eax != 4) {
* (volatile unsigned long *) eax = eax;
- //print_err_hex32(eax);
+ //print_debug_hex32(eax);
outb(eax&0xff, 0x80);
eax >>= 1;
}
- print_err(" done read to eax\r\n");
+ print_debug(" done read to eax\r\n");
eax = * (unsigned long *)0;
/* oh boy ... what is this.
movl 0, %eax
cmpl %eax, %esi
jnc 3f
*/
- print_err("eax and esi: ");
- print_err_hex32(eax); print_err(" ");
- print_err_hex32(esi); print_err("\r\n");
+ print_debug("eax and esi: ");
+ print_debug_hex32(eax); print_debug(" ");
+ print_debug_hex32(esi); print_debug("\r\n");
if (eax > esi) { /* ??*/
@@ -441,9 +445,9 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
}
pci_write_config8(north,0x58, raminit_ma_reg_table[best]);
- print_err("enabled first bank of ram ... ma is ");
- print_err_hex8(pci_read_config8(north, 0x58));
- print_err("\r\n");
+ print_debug("enabled first bank of ram ... ma is ");
+ print_debug_hex8(pci_read_config8(north, 0x58));
+ print_debug("\r\n");
}
}
base = 0;
@@ -475,7 +479,9 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
base = do_module_size(0xa0, base);
base = do_module_size(0xa0, base);
base = do_module_size(0xa0, base);*/
- print_err("vt8601 done\n");
+ print_err("vt8601 done\r\n");
+ /*
dumpnorth(north);
udelay(1000);
+ */
}