diff options
Diffstat (limited to 'src/mainboard/asus/p2b/auto.c')
| -rw-r--r-- | src/mainboard/asus/p2b/auto.c | 65 |
1 files changed, 11 insertions, 54 deletions
diff --git a/src/mainboard/asus/p2b/auto.c b/src/mainboard/asus/p2b/auto.c index e874a95..6d38672 100644 --- a/src/mainboard/asus/p2b/auto.c +++ b/src/mainboard/asus/p2b/auto.c @@ -32,32 +32,15 @@ #include "southbridge/intel/i82371eb/i82371eb_early_smbus.c" #include "superio/winbond/w83977tf/w83977tf_early_serial.c" #include "northbridge/intel/i440bx/raminit.h" +#include "mainboard/bitworks/ims/debug.c" /* FIXME */ +#include "pc80/udelay_io.c" +#include "lib/delay.c" #include "cpu/x86/mtrr/earlymtrr.c" #include "cpu/x86/bist.h" #define SERIAL_DEV PNP_DEV(0x3f0, W83977TF_SP1) -void udelay(int usecs) -{ - int i; - for(i = 0; i < usecs; i++) - outb(i&0xff, 0x80); -} - -#include "debug.c" -#include "lib/delay.c" - -static void enable_shadow_ram(void) -{ - uint8_t shadowreg; - /* dev 0 for northbridge */ - shadowreg = pci_read_config8(0, 0x59); - /* 0xf0000-0xfffff */ - shadowreg |= 0x30; - pci_write_config8(0, 0x59, shadowreg); -} - -static inline int spd_read_byte(unsigned device, unsigned address) +static inline int spd_read_byte(unsigned int device, unsigned int address) { return smbus_read_byte(device, address); } @@ -70,47 +53,21 @@ static void main(unsigned long bist) { static const struct mem_controller memctrl[] = { { - .d0 = PCI_DEV(0, 0, 0), - .channel0 = { - (0xa << 3) | 0, - (0xa << 3) | 1, - (0xa << 3) | 2, - (0xa << 3) | 3, - }, - } + .d0 = PCI_DEV(0, 0, 0), + .channel0 = {0x50, 0x51, 0x52, 0x53}, + } }; - - if (bist == 0) { + + if (bist == 0) early_mtrr_init(); - } + w83977tf_enable_serial(SERIAL_DEV, TTYS0_BASE); uart_init(); console_init(); - /* Halt if there was a built in self test failure */ report_bist_failure(bist); - - enable_shadow_ram(); - enable_smbus(); - dump_spd_registers(&memctrl[0]); - sdram_initialize(sizeof(memctrl) / sizeof(memctrl[0]), memctrl); - - /* Check whether RAM is working. - * - * Do _not_ check the area from 640 KB - 1 MB, as that's not really - * RAM, but rather reserved for various other things: - * - * - 640 KB - 768 KB: Video Buffer Area - * - 768 KB - 896 KB: Expansion Area - * - 896 KB - 960 KB: Extended System BIOS Area - * - 960 KB - 1 MB: Memory (BIOS Area) - System BIOS Area - * - * Trying to check these areas will fail. - */ - /* TODO: This is currently hardcoded to check 64 MB. */ - ram_check(0x00000000, 0x0009ffff); /* 0 - 640 KB */ - ram_check(0x00100000, 0x007c0000); /* 1 MB - 64 MB */ + ram_check(0, 640 * 1024); } |
