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AGESA fam12: Fix MMCONF region 

MMIO for non-posted region used hard-coded setting for 64 buses
while MSR programming was for 256 buses.

Change-Id: I690237dd459f7b7b4da68ae55ae9d22b79e5f255
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7812
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
This commit is contained in:
Kyösti Mälkki 2014-12-14 16:36:09 +02:00
parent 3787d5b36a
commit af87020f0a
1 changed files with 4 additions and 3 deletions
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7
src/northbridge/amd/agesa/family12/agesawrapper.c
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@ -176,7 +176,7 @@ AGESA_STATUS agesawrapper_amdinitmmio(VOID)
Set the MMIO Configuration Base Address and Bus Range onto MMIO configuration base Set the MMIO Configuration Base Address and Bus Range onto MMIO configuration base
Address MSR register. Address MSR register.
*/ */
MsrReg = CONFIG_MMCONF_BASE_ADDRESS | (8 << 2) | 1; MsrReg = CONFIG_MMCONF_BASE_ADDRESS | (LibAmdBitScanReverse(CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
LibAmdMsrWrite(0xC0010058, &MsrReg, &StdHeader); LibAmdMsrWrite(0xC0010058, &MsrReg, &StdHeader);
/* /*
@ -187,7 +187,9 @@ AGESA_STATUS agesawrapper_amdinitmmio(VOID)
LibAmdMsrWrite(0xC001001F, &MsrReg, &StdHeader); LibAmdMsrWrite(0xC001001F, &MsrReg, &StdHeader);
/* Enable Non-Post Memory in CPU */ /* Enable Non-Post Memory in CPU */
PciData = ((CONFIG_MMCONF_BASE_ADDRESS >> 8) | 0x3FF80); PciData = CONFIG_MMCONF_BASE_ADDRESS + (CONFIG_MMCONF_BUS_NUMBER * 0x100000) - 1;
PciData = (PciData >> 8) & ~0xff;
PciData |= 0x80;
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x018, 0x01, 0xA4); PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x018, 0x01, 0xA4);
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader); LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
@ -198,7 +200,6 @@ AGESA_STATUS agesawrapper_amdinitmmio(VOID)
/* Enable memory access */ /* Enable memory access */
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0x04); PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0x04);
LibAmdPciRead(AccessWidth8, PciAddress, &PciData, &StdHeader); LibAmdPciRead(AccessWidth8, PciAddress, &PciData, &StdHeader);
PciData |= BIT1; PciData |= BIT1;
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0x04); PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0x04);
LibAmdPciWrite(AccessWidth8, PciAddress, &PciData, &StdHeader); LibAmdPciWrite(AccessWidth8, PciAddress, &PciData, &StdHeader);