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-rw-r--r--src/cpu/amd/agesa/family14/fixme.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/cpu/amd/agesa/family14/fixme.c b/src/cpu/amd/agesa/family14/fixme.c
index 8d9a177215..3bcb574daf 100644
--- a/src/cpu/amd/agesa/family14/fixme.c
+++ b/src/cpu/amd/agesa/family14/fixme.c
@@ -97,3 +97,83 @@ void amd_initmmio(void)
PciData = (AMD_APU_SSID << 0x10) | AMD_APU_SVID;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
}
+
+void amd_initenv(void)
+{
+ AMD_INTERFACE_PARAMS AmdParamStruct;
+ PCI_ADDR PciAddress;
+ UINT32 PciValue;
+
+ /* Initialize Subordinate Bus Number and Secondary Bus Number
+ * In platform BIOS this address is allocated by PCI enumeration code
+ Modify D1F0x18
+ */
+ PciAddress.Address.Bus = 0;
+ PciAddress.Address.Device = 1;
+ PciAddress.Address.Function = 0;
+ PciAddress.Address.Register = 0x18;
+ /* Write to D1F0x18 */
+ LibAmdPciRead(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+ PciValue |= 0x00010100;
+ LibAmdPciWrite(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+
+ /* Initialize GMM Base Address for Legacy Bridge Mode
+ * Modify B1D5F0x18
+ */
+ PciAddress.Address.Bus = 1;
+ PciAddress.Address.Device = 5;
+ PciAddress.Address.Function = 0;
+ PciAddress.Address.Register = 0x18;
+
+ LibAmdPciRead(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+ PciValue |= 0x96000000;
+ LibAmdPciWrite(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+
+ /* Initialize FB Base Address for Legacy Bridge Mode
+ * Modify B1D5F0x10
+ */
+ PciAddress.Address.Register = 0x10;
+ LibAmdPciRead(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+ PciValue |= 0x80000000;
+ LibAmdPciWrite(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+
+ /* Initialize GMM Base Address for Pcie Mode
+ * Modify B0D1F0x18
+ */
+ PciAddress.Address.Bus = 0;
+ PciAddress.Address.Device = 1;
+ PciAddress.Address.Function = 0;
+ PciAddress.Address.Register = 0x18;
+
+ LibAmdPciRead(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+ PciValue |= 0x96000000;
+ LibAmdPciWrite(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+
+ /* Initialize FB Base Address for Pcie Mode
+ * Modify B0D1F0x10
+ */
+ PciAddress.Address.Register = 0x10;
+ LibAmdPciRead(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+ PciValue |= 0x80000000;
+ LibAmdPciWrite(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+
+ /* Initialize MMIO Base and Limit Address
+ * Modify B0D1F0x20
+ */
+ PciAddress.Address.Bus = 0;
+ PciAddress.Address.Device = 1;
+ PciAddress.Address.Function = 0;
+ PciAddress.Address.Register = 0x20;
+
+ LibAmdPciRead(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+ PciValue |= 0x96009600;
+ LibAmdPciWrite(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+
+ /* Initialize MMIO Prefetchable Memory Limit and Base
+ * Modify B0D1F0x24
+ */
+ PciAddress.Address.Register = 0x24;
+ LibAmdPciRead(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+ PciValue |= 0x8FF18001;
+ LibAmdPciWrite(AccessWidth32, PciAddress, &PciValue, &AmdParamStruct.StdHeader);
+}