AGESA fam14: Add amd_initenv()
Not part of wrapper to AGESA, but workaround for enable_resources().
Also remove remains of comments in non-fam14 wrappers.
Change-Id: I2526821ca283feb6a506b602b86f817f8b03b341
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7816
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/cpu/amd/agesa/family14/fixme.c b/src/cpu/amd/agesa/family14/fixme.c
index 8d9a177..3bcb574 100644
--- a/src/cpu/amd/agesa/family14/fixme.c
+++ b/src/cpu/amd/agesa/family14/fixme.c
@@ -97,3 +97,83 @@
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);
+}