diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/amdk8/northbridge.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c index aed38557d4..c5af05c634 100644 --- a/src/northbridge/amd/amdk8/northbridge.c +++ b/src/northbridge/amd/amdk8/northbridge.c @@ -12,6 +12,7 @@ #include <bitops.h> #include "chip.h" #include "northbridge.h" +#include "amdk8.h" struct mem_range *sizeram(void) { @@ -60,6 +61,16 @@ struct mem_range *sizeram(void) mem[idx].sizek = sizek; idx++; } + + /* see if we need a hole from 0xa0000 to 0xbffff */ + if((mem[idx-1].basek < ((8*64)+(8*16))) && + (mem[idx-1].sizek > ((8*64)+(16*16)))) { + mem[idx].basek = (8*64)+(16*16); + mem[idx].sizek = mem[idx-1].sizek - ((8*64)+(16*16)); + mem[idx-1].sizek = ((8*64)+(8*16)) - mem[idx-1].basek; + idx++; + } + /* See if I need to split the region to accomodate pci memory space */ if ((mem[idx - 1].basek <= mmio_basek) && ((mem[idx - 1].basek + mem[idx - 1].sizek) > mmio_basek)) { @@ -151,10 +162,6 @@ static unsigned int amdk8_nodeid(device_t dev) } -#define LinkConnected (1 << 0) -#define InitComplete (1 << 1) -#define NonCoherent (1 << 2) -#define ConnectionPending (1 << 4) static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) { unsigned nodeid; @@ -166,7 +173,7 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) for(link = 0; link < dev->links; link++) { uint32_t link_type; uint32_t busses, config_busses; - unsigned free_reg, config_reg, other_reg; + unsigned free_reg, config_reg; dev->link[link].cap = 0x80 + (link *0x20); do { link_type = pci_read_config32(dev, dev->link[link].cap + 0x18); @@ -249,7 +256,13 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) ((unsigned int) (dev->link[link].subordinate) << 16); pci_write_config32(dev, dev->link[link].cap + 0x14, busses); - config_busses = (config_busses & 0x00ffffff) | (dev->link[link].subordinate << 24); + config_busses &= 0x000fc88; + config_busses |= + (3 << 0) | /* rw enable, no device compare */ + (( nodeid & 7) << 4) | + (( link & 3 ) << 8) | + ((dev->link[link].secondary) << 16) | + ((dev->link[link].subordinate) << 24); f1_write_config32(config_reg, config_busses); #if 1 printk_debug("Hypertransport scan link done\n"); @@ -456,11 +469,11 @@ static void amdk8_set_resources(device_t dev) unsigned int amdk8_scan_root_bus(device_t root, unsigned int max) { unsigned reg; - max = pci_scan_bus(&root->link[0], PCI_DEVFN(0x18, 0), 0xff, max); - /* Unmap all of the other pci busses */ + /* Unmap all of HT chains */ for(reg = 0xe0; reg <= 0xec; reg += 4) { f1_write_config32(reg, 0); } + max = pci_scan_bus(&root->link[0], PCI_DEVFN(0x18, 0), 0xff, max); return max; } |