lib,soc/intel/common/block/smbus: Use a SPD length of 512 bytes for DDR5

Change-Id: I8bdc4c676a0f571fd8f34e078f6a1c73a2e90a87 Signed-off-by: Jeremy Soller <jeremy@system76.com> Signed-off-by: Tim Crawford <tcrawford@system76.com>
system76 · Feb 20, 2024 · 868c102 · 868c102
1 parent f6ed868
commit 868c102
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/lib/spd_cache.c b/src/lib/spd_cache.c
@@ -209,7 +209,7 @@ enum cb_err spd_fill_from_cache(uint8_t *spd_cache, struct spd_block *blk)
 
 	dram_type = *(spd_cache + SC_SPD_OFFSET(i) + SPD_DRAM_TYPE);
 
-	if (dram_type == SPD_DRAM_DDR4)
+	if (dram_type == SPD_DRAM_DDR4 || dram_type == SPD_DRAM_DDR5)
 		blk->len = SPD_PAGE_LEN_DDR4;
 	else
 		blk->len = SPD_PAGE_LEN;

diff --git a/src/soc/intel/common/block/smbus/smbuslib.c b/src/soc/intel/common/block/smbus/smbuslib.c
@@ -24,8 +24,8 @@ static void update_spd_len(struct spd_block *blk)
 		if (blk->spd_array[i] != NULL)
 			j |= blk->spd_array[i][SPD_DRAM_TYPE];
 
-	/* If spd used is DDR4, then its length is 512 byte. */
-	if (j == SPD_DRAM_DDR4)
+	/* If spd used is DDR4/5, then its length is 512 byte. */
+	if (j == SPD_DRAM_DDR4 || j == SPD_DRAM_DDR5)
 		blk->len = SPD_PAGE_LEN_DDR4;
 	else
 		blk->len = SPD_PAGE_LEN;