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-rw-r--r--src/cpu/amd/car/cache_as_ram.inc16
-rw-r--r--src/cpu/amd/model_10xxx/init_cpus.c27
-rw-r--r--src/southbridge/nvidia/mcp55/mcp55_early_setup_car.c8
3 files changed, 16 insertions, 35 deletions
diff --git a/src/cpu/amd/car/cache_as_ram.inc b/src/cpu/amd/car/cache_as_ram.inc
index aedb2fd564..e21462a30b 100644
--- a/src/cpu/amd/car/cache_as_ram.inc
+++ b/src/cpu/amd/car/cache_as_ram.inc
@@ -27,6 +27,7 @@
/* for CAR with FAM10 */
#define CacheSizeAPStack 0x400 /* 1K */
+#define MSR_MCFG_BASE 0xC0010058
#define MSR_FAM10 0xC001102A
#define jmp_if_k8(x) comisd %xmm2, %xmm1; jb x
@@ -115,7 +116,7 @@ CAR_FAM10_out:
/* Errata 193: Disable clean copybacks to L3 cache to allow cached ROM.
* Re-enable it in after RAM is initialized and before CAR is disabled
*/
- movl $0xc001102a, %ecx
+ movl $MSR_FAM10, %ecx
rdmsr
bts $15, %eax
wrmsr
@@ -136,6 +137,19 @@ CAR_FAM10_out:
/* Erratum 343 end */
+#if defined(CONFIG_MMCONF_SUPPORT)
+ /* Set MMIO Config space BAR */
+ movl $MSR_MCFG_BASE, %ecx
+ rdmsr
+
+ andl $(~(0xfff00000 | (0xf << 2))), %eax
+ orl $((CONFIG_MMCONF_BASE_ADDRESS & 0xfff00000) | (8 << 2) | (1 << 0)), %eax
+ andl $(~(0x0000ffff)), %edx
+ orl $(CONFIG_MMCONF_BASE_ADDRESS >> 32), %edx
+
+ wrmsr
+#endif
+
CAR_FAM10_out_post_errata:
/* Set MtrrFixDramModEn for clear fixed mtrr */
diff --git a/src/cpu/amd/model_10xxx/init_cpus.c b/src/cpu/amd/model_10xxx/init_cpus.c
index bbaa4819b2..ae1da66967 100644
--- a/src/cpu/amd/model_10xxx/init_cpus.c
+++ b/src/cpu/amd/model_10xxx/init_cpus.c
@@ -58,30 +58,6 @@ static void set_EnableCf8ExtCfg(void) { }
#endif
-#define _ULLx(x) x ## ULL
-#define _ULL(x) _ULLx(x)
-
-/*[63:0] */
-#define PCI_MMIO_BASE _ULL(CONFIG_MMCONF_BASE_ADDRESS)
-
-static void set_pci_mmio_conf_reg(void)
-{
-#if CONFIG_MMCONF_SUPPORT
-# if PCI_MMIO_BASE > 0xffffffff
-# error CONFIG_MMCONF_BASE_ADDRESS must currently fit in 32 bits!
-# endif
- msr_t msr;
- msr = rdmsr(0xc0010058);
- msr.lo &= ~(0xfff00000 | (0xf << 2));
- // 256 buses, one segment. Total 256M address space.
- msr.lo |= (PCI_MMIO_BASE & 0xfff00000) | (8 << 2) | (1 << 0);
- msr.hi &= ~(0x0000ffff);
- msr.hi |= (PCI_MMIO_BASE >> (32));
-
- wrmsr(0xc0010058, msr); // MMIO Config Base Address Reg
-#endif
-}
-
typedef void (*process_ap_t) (u32 apicid, void *gp);
//core_range = 0 : all cores
@@ -295,9 +271,6 @@ static u32 init_cpus(u32 cpu_init_detectedx)
* already set early mtrr in cache_as_ram.inc
*/
- /* enable access pci conf via mmio */
- set_pci_mmio_conf_reg();
-
/* that is from initial apicid, we need nodeid and coreid
later */
id = get_node_core_id_x();
diff --git a/src/southbridge/nvidia/mcp55/mcp55_early_setup_car.c b/src/southbridge/nvidia/mcp55/mcp55_early_setup_car.c
index e01630dc05..6a453cbfea 100644
--- a/src/southbridge/nvidia/mcp55/mcp55_early_setup_car.c
+++ b/src/southbridge/nvidia/mcp55/mcp55_early_setup_car.c
@@ -267,13 +267,7 @@ static void mcp55_early_setup(unsigned mcp55_num, unsigned *busn, unsigned *devn
RES_PCI_IO, PCI_ADDR(0, 6, 0, 0x74), 0xFFFFFFC0, 0x00000000,
RES_PCI_IO, PCI_ADDR(0, 6, 0, 0xC0), 0x00000000, 0xCB8410DE,
RES_PCI_IO, PCI_ADDR(0, 6, 0, 0xC4), 0xFFFFFFF8, 0x00000007,
- /* The following operation hangs when performed via MMCFG:
- pci_read_config32(romcc): 00010000:0078: 20040000
- setup_resource_map_x_offset: 10000, 78: 20040000
- pci_write_config32(romcc): 00010000:0078: 19040000
- (hang)
- Response missing? */
- /* RES_PCI_IO, PCI_ADDR(0, 1, 0, 0x78), 0xC0FFFFFF, 0x19000000, */
+ RES_PCI_IO, PCI_ADDR(0, 1, 0, 0x78), 0xC0FFFFFF, 0x19000000,
#if MCP55_USE_AZA == 1
RES_PCI_IO, PCI_ADDR(0, 6, 1, 0x40), 0x00000000, 0xCB8410DE,