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spare 4s for restart 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1721 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2004-10-27 02:12:22 +00:00
parent 63f2f721b4
commit 20fc678d65
1 changed files with 15 additions and 2 deletions
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17
src/mainboard/tyan/s2885/auto.c
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@ -42,10 +42,16 @@ static void soft_reset(void)
set_bios_reset(); set_bios_reset();
pci_write_config8(PCI_DEV(0, 0x04, 0), 0x47, 1); pci_write_config8(PCI_DEV(0, 0x04, 0), 0x47, 1);
} }
#define AMD8111_RESET PCI_DEV( \
HARD_RESET_BUS, \
HARD_RESET_DEVICE, \
HARD_RESET_FUNCTION)
static void soft2_reset(void) static void soft2_reset(void)
{ {
set_bios_reset(); set_bios_reset();
pci_write_config8(PCI_DEV(3, 0x04, 0), 0x47, 1); pci_write_config8(AMD8111_RESET, 0x47, 1);
} }
static void memreset_setup(void) static void memreset_setup(void)
@ -139,7 +145,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
return smbus_read_byte(device, address); return smbus_read_byte(device, address);
} }
//#include "northbridge/amd/amdk8/setup_resource_map.c" #include "northbridge/amd/amdk8/setup_resource_map.c"
#include "northbridge/amd/amdk8/raminit.c" #include "northbridge/amd/amdk8/raminit.c"
#include "northbridge/amd/amdk8/coherent_ht.c" #include "northbridge/amd/amdk8/coherent_ht.c"
#include "sdram/generic_sdram.c" #include "sdram/generic_sdram.c"
@ -204,6 +210,13 @@ static void main(unsigned long bist)
#else #else
/* cpu reset also reset the memtroller ???? /* cpu reset also reset the memtroller ????
need soft_reset to reset all except keep HT link freq and width */ need soft_reset to reset all except keep HT link freq and width */
/* So we don't need to
1. jmp to __cpu_reset
2. jmp to __main to copy ROM to ram (It costs some time)
3. call hardwaremain(), it will according to boot_complete to issue hard_reset in southbridge.
(Actually it is soft2_reset(); --- without call hard_reset, the memory is corrupted.
We will call soft2_reset directly to spare time in 1 and 2 and 3.2
*/
distinguish_cpu_resets(); distinguish_cpu_resets();
soft2_reset(); soft2_reset();
#endif #endif