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>
This commit is contained in:
Kyösti Mälkki
2014-12-14 19:41:54 +02:00
parent 48518f0d60
commit 4a08e15086
15 changed files with 90 additions and 87 deletions

View File

@@ -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);
}