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-rw-r--r--src/northbridge/amd/amdk8/raminit.c44
1 files changed, 36 insertions, 8 deletions
diff --git a/src/northbridge/amd/amdk8/raminit.c b/src/northbridge/amd/amdk8/raminit.c
index 6659641a1f..8ebf67965e 100644
--- a/src/northbridge/amd/amdk8/raminit.c
+++ b/src/northbridge/amd/amdk8/raminit.c
@@ -919,6 +919,12 @@ static void sdram_set_registers(const struct mem_controller *ctrl)
* [31: 8] Reserved
*/
PCI_ADDR(0, 0x18, 3, 0x60), 0xffffff00, 0x00000000,
+//BY LYH add IOMMU 64M APERTURE
+ PCI_ADDR(0, 0x18, 3, 0x94), 0xffff8000, 0x00000f70,
+ PCI_ADDR(0, 0x18, 3, 0x90), 0xffffff80, 0x00000002,
+ PCI_ADDR(0, 0x18, 3, 0x98), 0x0000000f, 0x00068300,
+
+//BY LYH END
};
int i;
int max;
@@ -1116,7 +1122,23 @@ static void spd_set_ram_size(const struct mem_controller *ctrl)
set_dimm_size(ctrl, sz, i);
}
}
-
+static void fill_last(unsigned long node_id,unsigned long base)
+{
+//BY LYH //Fill next base reg with right value
+ unsigned i;
+ unsigned base_reg;
+ base &=0xffff0000;
+ device_t device;
+ for(device = PCI_DEV(0, 0x18, 1); device <= PCI_DEV(0, 0x1f, 1); device
++= PCI_DEV(0, 1, 0)) {
+ for(i=node_id+1;i<=7;i++) {
+ base_reg=0x40+(i<<3);
+ pci_write_config32(device,base_reg,base);
+ }
+ }
+//BY LYH END
+}
+
static void route_dram_accesses(const struct mem_controller *ctrl,
unsigned long base_k, unsigned long limit_k)
{
@@ -1126,6 +1148,7 @@ static void route_dram_accesses(const struct mem_controller *ctrl,
unsigned base;
unsigned index;
unsigned limit_reg, base_reg;
+
device_t device;
node_id = ctrl->node_id;
index = (node_id << 3);
@@ -1143,6 +1166,7 @@ static void route_dram_accesses(const struct mem_controller *ctrl,
pci_write_config32(device, limit_reg, limit);
pci_write_config32(device, base_reg, base);
}
+
}
static void set_top_mem(unsigned tom_k)
@@ -1251,9 +1275,9 @@ static void order_dimms(const struct mem_controller *ctrl)
/* Recompute the cs base register value */
#if 1 // BY LYH Need to count from 0 for every memory controller
csbase = ((tom - (base_k>>15))<< 21) | 1;
- print_debug("csbase=");
- print_debug_hex32(csbase);
- print_debug("\r\n");
+// print_debug("csbase=");
+// print_debug_hex32(csbase);
+// print_debug("\r\n");
#else //BY LYH END
csbase = (tom << 21) | 1;
#endif
@@ -1283,12 +1307,16 @@ static void order_dimms(const struct mem_controller *ctrl)
print_debug("\r\n");
#endif
route_dram_accesses(ctrl, base_k, tom_k);
+//BY LYH
+ fill_last(ctrl->node_id, tom_k<<2);
+//BY LYH END
#if 0 //BY LYH
- if(ctrl->node_id==1) {
- pci_write_config32(ctrl->f2, DRAM_CSBASE, 0x00000001);
-
- }
+ dump_pci_device(PCI_DEV(0, 0x18, 1));
+
+// if(ctrl->node_id==1) {
+// pci_write_config32(ctrl->f2, DRAM_CSBASE, 0x00000001);
+// }
#endif
set_top_mem(tom_k);