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authorKyösti Mälkki <kyosti.malkki@gmail.com>2014-12-14 16:36:09 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-12-20 07:17:32 +0100
commitaf87020f0a3a813e03d3b059ae4284bbc8848ff1 (patch)
treea50a2c9b1061ae264d71a289b70800b7a4b7a560
parent3787d5b36abb6735046a16e2195fb4057dacb07c (diff)
downloadcoreboot-af87020f0a3a813e03d3b059ae4284bbc8848ff1.tar.xz
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>
-rw-r--r--src/northbridge/amd/agesa/family12/agesawrapper.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/northbridge/amd/agesa/family12/agesawrapper.c b/src/northbridge/amd/agesa/family12/agesawrapper.c
index f25e7379a9..d2aa3305f1 100644
--- a/src/northbridge/amd/agesa/family12/agesawrapper.c
+++ b/src/northbridge/amd/agesa/family12/agesawrapper.c
@@ -176,7 +176,7 @@ AGESA_STATUS agesawrapper_amdinitmmio(VOID)
Set the MMIO Configuration Base Address and Bus Range onto MMIO configuration base
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);
/*
@@ -187,7 +187,9 @@ AGESA_STATUS agesawrapper_amdinitmmio(VOID)
LibAmdMsrWrite(0xC001001F, &MsrReg, &StdHeader);
/* 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);
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
@@ -198,7 +200,6 @@ AGESA_STATUS agesawrapper_amdinitmmio(VOID)
/* Enable memory access */
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0x04);
LibAmdPciRead(AccessWidth8, PciAddress, &PciData, &StdHeader);
-
PciData |= BIT1;
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0x04);
LibAmdPciWrite(AccessWidth8, PciAddress, &PciData, &StdHeader);