diff options
Diffstat (limited to 'src/mainboard/tyan/s2882/auto.c')
| -rw-r--r-- | src/mainboard/tyan/s2882/auto.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/src/mainboard/tyan/s2882/auto.c b/src/mainboard/tyan/s2882/auto.c index 4809f309c5..fe731c96ac 100644 --- a/src/mainboard/tyan/s2882/auto.c +++ b/src/mainboard/tyan/s2882/auto.c @@ -17,23 +17,27 @@ #include "debug.c" #include "northbridge/amd/amdk8/cpu_rev.c" - +#define REV_B_RESET 0 static void memreset_setup(void) { - /* Set the memreset low */ -// outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 28); - /* Ensure the BIOS has control of the memory lines */ -// outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 29); +#if REV_B_RESET==1 + outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=0 +#else + outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=1 +#endif + outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17); } static void memreset(int controllers, const struct mem_controller *ctrl) { - udelay(800); - /* Set memreset_high */ -// outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 28); - udelay(90); + udelay(800); +#if REV_B_RESET==1 + outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1 +#endif + udelay(90); } + static unsigned int generate_row(uint8_t node, uint8_t row, uint8_t maxnodes) { /* Routing Table Node i @@ -80,9 +84,9 @@ static unsigned int generate_row(uint8_t node, uint8_t row, uint8_t maxnodes) static inline void activate_spd_rom(const struct mem_controller *ctrl) { - /* nothing to do */ + /* nothing to do */ } - + static inline int spd_read_byte(unsigned device, unsigned address) { return smbus_read_byte(device, address); |