From f8853d105da7d69bc92a5b4578f9b85234e558ec Mon Sep 17 00:00:00 2001 From: Anatolij Gustschin <agust@denx.de> Date: Fri, 20 Mar 2009 12:45:50 +0100 Subject: [PATCH] ppc4xx: Fix bug in PCI outbound map configuration for canyonlands PCI outbound address map configuration doesn't match the PCI memory address range covered by appropriate TLB entry configuration for canyonlands causing machine check exceptions while accessing PCI memory regions. This patch provides a fix for this issue. Kazuaki Ichinohe observed and reported this issue while testing display output with PCI ATI video card on canyonlands. Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: Stefan Roese <sr@denx.de> --- cpu/ppc4xx/4xx_pci.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/cpu/ppc4xx/4xx_pci.c b/cpu/ppc4xx/4xx_pci.c index 6fd36dea353..99b8e2f8824 100644 --- a/cpu/ppc4xx/4xx_pci.c +++ b/cpu/ppc4xx/4xx_pci.c @@ -550,10 +550,12 @@ int pci_440_init (struct pci_controller *hose) out32r( PCIX0_POM0SA, 0 ); /* disable */ out32r( PCIX0_POM1SA, 0 ); /* disable */ out32r( PCIX0_POM2SA, 0 ); /* disable */ -#if defined(CONFIG_440SPE) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) +#if defined(CONFIG_440SPE) out32r( PCIX0_POM0LAL, 0x10000000 ); out32r( PCIX0_POM0LAH, 0x0000000c ); +#elif defined(CONFIG_460EX) || defined(CONFIG_460GT) + out32r( PCIX0_POM0LAL, 0x20000000 ); + out32r( PCIX0_POM0LAH, 0x0000000c ); #else out32r( PCIX0_POM0LAL, 0x00000000 ); out32r( PCIX0_POM0LAH, 0x00000003 ); -- GitLab