[U-Boot] [Patch v2 2/2] powerpc/mpc8xxx: Adding fallback to raw timing on supported boards

[York Sun <yorksun@freescale.com>]

In case of empty SPD or checksum error, fallback to raw timing on
supported boards.

Signed-off-by: York Sun <yorksun@freescale.com>
---
 arch/powerpc/cpu/mpc8xxx/ddr/main.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/main.c b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
index 3c49fa9..249fd7d 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 "
-- 
1.7.0.4