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YhLu's patch from January 18th. This part is mostly cleaning up

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dead code and adding a few fixmes.

Signed-off-by: Yinghai Lu <yinghai.lu@amd.com>
Signed-off-by: Ed Swierk <eswierk@arastra.com>
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ward Vandewege <ward@gnu.org>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2594 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu
2007-04-06 20:58:37 +00:00
committed by Stefan Reinauer
parent 47cb7c71c9
commit 75812a66bb
3 changed files with 63 additions and 299 deletions
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18
src/northbridge/amd/amdk8/raminit.c
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@@ -485,6 +485,14 @@ static void sdram_set_registers(const struct mem_controller *ctrl)
* [31:26] Reserved
*/
PCI_ADDR(0, 0x18, 2, 0x98), 0xfc00ffff, 0x00000000,
/* MCA NB Status Low reg */
PCI_ADDR(0, 0x18, 3, 0x48), 0x00f00000, 0x00000000,
/* MCA NB Status high reg */
PCI_ADDR(0, 0x18, 3, 0x4c), 0x01801e8c, 0x00000000,
/* MCA NB address Low reg */
PCI_ADDR(0, 0x18, 3, 0x50), 0x00000007, 0x00000000,
/* MCA NB address high reg */
PCI_ADDR(0, 0x18, 3, 0x54), 0xffffff00, 0x00000000,
/* DRAM Scrub Control Register
* F3:0x58
* [ 4: 0] DRAM Scrube Rate
@@ -2334,6 +2342,16 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl)
/* And if necessary toggle the the reset on the dimms by hand */
memreset(controllers, ctrl);
/* We need to wait a mimmium of 20 MEMCLKS to enable the InitDram */
#if 0
print_debug("prepare to InitDram:");
for(i=0; i<100; i++) {
print_debug_hex32(i);
print_debug("\b\b\b\b\b\b\b\b");
}
print_debug("\r\n");
#endif
for(i = 0; i < controllers; i++) {
uint32_t dcl, dch;
if (!controller_present(ctrl + i))