From f2d264b6603239d6d214c4e2faf17dde64cf81e2 Mon Sep 17 00:00:00 2001 From: York Sun Date: Tue, 7 Jun 2011 09:42:17 +0800 Subject: [PATCH] powerpc/mpc8xxx: Adding fallback to raw timing on supported boards In case of empty SPD or checksum error, fallback to raw timing on supported boards. Signed-off-by: York Sun Signed-off-by: Kumar Gala --- arch/powerpc/cpu/mpc8xxx/ddr/main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/main.c b/arch/powerpc/cpu/mpc8xxx/ddr/main.c index 3c49fa97c0..249fd7dfb3 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/main.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/main.c @@ -343,12 +343,20 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step, &(pinfo->dimm_params[i][j]); retval = compute_dimm_parameters(spd, pdimm, i); +#ifdef CONFIG_SYS_DDR_RAW_TIMING + if (retval != 0) { + printf("SPD error! Trying fallback to " + "raw timing calculation\n"); + fsl_ddr_get_dimm_params(pdimm, i, j); + } +#else if (retval == 2) { printf("Error: compute_dimm_parameters" " non-zero returned FATAL value " "for memctl=%u dimm=%u\n", i, j); return 0; } +#endif if (retval) { debug("Warning: compute_dimm_parameters" " non-zero return value for memctl=%u " -- 2.39.5