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authorYinghai Lu <yinghailu@gmail.com>2006-10-04 20:46:15 +0000
committerYinghai Lu <yinghailu@gmail.com>2006-10-04 20:46:15 +0000
commitd4b278c02c1da92219ebeb34204b9768934aeca3 (patch)
tree488d097cac9744cfc9b8ff7c89ce69bcb21370cb /src/southbridge/nvidia
parent2e3757d11c565a8fe68dc2a2c34975e98304533c (diff)
AMD Rev F support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2435 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/nvidia')
-rw-r--r--src/southbridge/nvidia/ck804/ck804_early_setup.c51
-rw-r--r--src/southbridge/nvidia/ck804/ck804_early_setup_car.c53
2 files changed, 7 insertions, 97 deletions
diff --git a/src/southbridge/nvidia/ck804/ck804_early_setup.c b/src/southbridge/nvidia/ck804/ck804_early_setup.c
index bd14635541..8e0df326c0 100644
--- a/src/southbridge/nvidia/ck804/ck804_early_setup.c
+++ b/src/southbridge/nvidia/ck804/ck804_early_setup.c
@@ -2,58 +2,13 @@
* Copyright 2004 Tyan Computer
* by yhlu@tyan.com
*/
-static int set_ht_link_buffer_count(uint8_t node, uint8_t linkn, uint8_t linkt, unsigned val)
-{
- uint32_t dword, dword_old;
- uint8_t link_type;
-
- dword = pci_read_config32(PCI_DEV(0,0x18+node,0), 0x98 + (linkn * 0x20));
- link_type = dword & 0xff;
-
- dword_old = dword = pci_read_config32(PCI_DEV(0,0x18+node,0), 0x90 + (linkn * 0x20) );
-
- if ( (link_type & 0x7) == linkt ) {
- dword = val;
- }
-
- if (dword != dword_old) {
- pci_write_config32(PCI_DEV(0,0x18+node,0), 0x90 + (linkn * 0x20), dword);
- return 1;
- }
-
- return 0;
-}
static int set_ht_link_ck804(uint8_t ht_c_num)
{
- int reset_needed;
- uint8_t i;
-
- reset_needed = 0;
-
- for (i = 0; i < ht_c_num; i++) {
- uint32_t reg;
- uint8_t nodeid, linkn;
- uint8_t busn;
- unsigned val;
-
- reg = pci_read_config32(PCI_DEV(0,0x18,1), 0xe0 + i * 4);
- if((reg & 3) != 3) continue;
-
- nodeid = ((reg & 0xf0)>>4);
- linkn = ((reg & 0xf00)>>8);
- busn = (reg & 0xff0000)>>16;
-
- reg = pci_read_config32( PCI_DEV(busn, 1, 0), PCI_VENDOR_ID);
- if ( (reg & 0xffff) == 0x10de ) {
- val = 0x01610169;
- reset_needed |= set_ht_link_buffer_count(nodeid, linkn, 0x07,val);
- }
- }
-
- return reset_needed;
+ unsigned vendorid = 0x10de;
+ unsigned val = 0x01610169;
+ set_ht_link_buffer_counts_chain(ht_c_num, vendorid, val);
}
-
static void setup_ss_table(unsigned index, unsigned where, unsigned control, const unsigned int *register_values, int max)
{
int i;
diff --git a/src/southbridge/nvidia/ck804/ck804_early_setup_car.c b/src/southbridge/nvidia/ck804/ck804_early_setup_car.c
index a144f1227a..206ea0f90a 100644
--- a/src/southbridge/nvidia/ck804/ck804_early_setup_car.c
+++ b/src/southbridge/nvidia/ck804/ck804_early_setup_car.c
@@ -3,59 +3,14 @@
* by yhlu@tyan.com
* 2005.12 yhlu make it for car so it could support more ck804s
*/
-static int set_ht_link_buffer_count(uint8_t node, uint8_t linkn, uint8_t linkt, unsigned val)
-{
- uint32_t dword, dword_old;
- uint8_t link_type;
-
- /* This works on an Athlon64 because unimplemented links return 0 */
- dword = pci_read_config32(PCI_DEV(0,0x18+node,0), 0x98 + (linkn * 0x20));
- link_type = dword & 0xff;
-
- dword_old = dword = pci_read_config32(PCI_DEV(0,0x18+node,0), 0x90 + (linkn * 0x20) );
-
- if ( (link_type & 0x7) == linkt ) { /* Coherent Link only linkt = 3, ncoherent = 7*/
- dword = val;
- }
-
- if (dword != dword_old) {
- pci_write_config32(PCI_DEV(0,0x18+node,0), 0x90 + (linkn * 0x20), dword);
- return 1;
- }
-
- return 0;
-}
+
static int set_ht_link_ck804(uint8_t ht_c_num)
{
- int reset_needed;
- uint8_t i;
-
- reset_needed = 0;
-
- for (i = 0; i < ht_c_num; i++) {
- uint32_t reg;
- uint8_t nodeid, linkn;
- uint8_t busn;
- unsigned val;
-
- reg = pci_read_config32(PCI_DEV(0,0x18,1), 0xe0 + i * 4);
- if((reg & 3) != 3) continue;
-
- nodeid = ((reg & 0xf0)>>4);
- linkn = ((reg & 0xf00)>>8);
- busn = (reg & 0xff0000)>>16;
-
- reg = pci_read_config32( PCI_DEV(busn, 1, 0), PCI_VENDOR_ID);
- if ( (reg & 0xffff) == 0x10de ) {
- val = 0x01610169;
- reset_needed |= set_ht_link_buffer_count(nodeid, linkn, 0x07,val);
- }
- }
-
- return reset_needed;
+ unsigned vendorid = 0x10de;
+ unsigned val = 0x01610169;
+ set_ht_link_buffer_counts_chain(ht_c_num, vendorid, val);
}
-
static void setup_ss_table(unsigned index, unsigned where, unsigned control, const unsigned int *register_values, int max)
{
int i;