From: york <york...@freescale.com>
Only use DDR DIMM part number if SPD has valid length, to prevent from
display garbage in case SPD doesn't cover these fields.
Signed-off-by: York Sun <york...@freescale.com>
---
arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
index 756b15f..838cebe 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
@@ -114,7 +114,8 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd,
* and copying the part name in ASCII from the SPD onto it
*/
memset(pdimm->mpart, 0, sizeof(pdimm->mpart));
- memcpy(pdimm->mpart, spd->mpart, sizeof(pdimm->mpart) - 1);
+ if ((spd->info_size_crc & 0xF) > 1)
+ memcpy(pdimm->mpart, spd->mpart, sizeof(pdimm->mpart) - 1);
/* DIMM organization parameters */
pdimm->n_ranks = ((spd->organization >> 3) & 0x7) + 1;
--
1.7.0.4
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