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| author | Yinghai Lu <yinghailu@gmail.com> | 2004-10-27 02:12:22 +0000 |
|---|---|---|
| committer | Yinghai Lu <yinghailu@gmail.com> | 2004-10-27 02:12:22 +0000 |
| commit | 20fc678d65b4cdf6b24bdff45ef04933c538e2e8 (patch) | |
| tree | 8bcf35d3f542cfbcac153bd25ec6c7a942f1481a /src/mainboard | |
| parent | 63f2f721b4c421ba0ad42e6469664eeed126913f (diff) | |
| download | coreboot-20fc678d65b4cdf6b24bdff45ef04933c538e2e8.tar.xz | |
spare 4s for restart
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1721 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/tyan/s2885/auto.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/mainboard/tyan/s2885/auto.c b/src/mainboard/tyan/s2885/auto.c index 333aa90c29..dd17dfdf70 100644 --- a/src/mainboard/tyan/s2885/auto.c +++ b/src/mainboard/tyan/s2885/auto.c @@ -42,10 +42,16 @@ static void soft_reset(void) set_bios_reset(); 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) { 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) @@ -139,7 +145,7 @@ static inline int spd_read_byte(unsigned device, unsigned 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/coherent_ht.c" #include "sdram/generic_sdram.c" @@ -204,6 +210,13 @@ static void main(unsigned long bist) #else /* cpu reset also reset the memtroller ???? 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(); soft2_reset(); #endif |