[PATCH 2/8] ram: k3-ddrss: Use DDR address instead of system address for ecc_regions

Neha Malcom Francis n-francis at ti.com
Mon Jan 27 15:22:11 CET 2025


Let ecc_regions[x].start reflect the start of the ECC region in terms of
DDR addressing rather than system addressing. This will make it easier
to extend the usage of the same ecc_regions structure for multi-DDR
systems as well.

Signed-off-by: Neha Malcom Francis <n-francis at ti.com>
---
 drivers/ram/k3-ddrss/k3-ddrss.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ram/k3-ddrss/k3-ddrss.c b/drivers/ram/k3-ddrss/k3-ddrss.c
index 05ea61bbfe9..24932cd837c 100644
--- a/drivers/ram/k3-ddrss/k3-ddrss.c
+++ b/drivers/ram/k3-ddrss/k3-ddrss.c
@@ -730,7 +730,7 @@ static void k3_ddrss_lpddr4_ecc_init(struct k3_ddrss_desc *ddrss)
 	u32 val;
 
 	/* Only Program region 0 which covers full ddr space */
-	k3_ddrss_set_ecc_range_r0(base, ecc_region_start - ddrss->ddr_bank_base[0], ecc_range);
+	k3_ddrss_set_ecc_range_r0(base, ecc_region_start, ecc_range);
 
 	/* Enable ECC, RMW, WR_ALLOC */
 	writel(DDRSS_ECC_CTRL_REG_ECC_EN | DDRSS_ECC_CTRL_REG_RMW_EN |
@@ -799,7 +799,7 @@ static int k3_ddrss_probe(struct udevice *dev)
 		k3_ddrss_lpddr4_ecc_calc_reserved_mem(ddrss);
 
 		/* Always configure one region that covers full DDR space */
-		ddrss->ecc_regions[0].start = ddrss->ddr_bank_base[0];
+		ddrss->ecc_regions[0].start = ddrss->ddr_bank_base[0] - ddrss->ddr_bank_base[0];
 		ddrss->ecc_regions[0].range = ddrss->ddr_ram_size - ddrss->ecc_reserved_space;
 		k3_ddrss_lpddr4_ecc_init(ddrss);
 	}
-- 
2.34.1



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