From ea9f6bce383cc9fbcdee28b5836109b1a6dba574 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 31 Jul 2007 08:37:01 +0200 Subject: ppc4xx: Update 440EPx lwmon5 board support - Clear ECC status regs after ECC POST test - Set dcbz for ECC generation with caches enabled as default - Code cleanup Signed-off-by: Stefan Roese --- post/board/lwmon5/ecc.c | 12 +++++++++++- post/cpu/ppc4xx/fpu.c | 2 +- 2 files changed, 12 insertions(+), 2 deletions(-) (limited to 'post') diff --git a/post/board/lwmon5/ecc.c b/post/board/lwmon5/ecc.c index 7f04f9abe..3fa3ba624 100644 --- a/post/board/lwmon5/ecc.c +++ b/post/board/lwmon5/ecc.c @@ -236,7 +236,6 @@ int ecc_post_test (int flags) mfsdram(DDR0_00, value); mtsdram(DDR0_00, value | DDR0_00_INT_ACK_ALL); - /* enable full support of ECC */ mfsdram(DDR0_22, value); mtsdram(DDR0_22, (value &~ DDR0_22_CTRL_RAW_MASK) @@ -247,6 +246,17 @@ int ecc_post_test (int flags) if (ret) break; } + + /* clear error status */ + mfsdram(DDR0_00, value); + mtsdram(DDR0_00, value | DDR0_00_INT_ACK_ALL); + + /* + * Clear possible errors resulting from ECC testing. + * If not done, then we could get an interrupt later on when + * exceptions are enabled. + */ + set_mcsr(get_mcsr()); #endif return ret; diff --git a/post/cpu/ppc4xx/fpu.c b/post/cpu/ppc4xx/fpu.c index 27e9ed01a..0c26fe00e 100644 --- a/post/cpu/ppc4xx/fpu.c +++ b/post/cpu/ppc4xx/fpu.c @@ -29,8 +29,8 @@ #if defined(CONFIG_440EP) || \ defined(CONFIG_440EPX) -#include #include +#include int fpu_status(void) -- cgit v1.2.3