From d0a37a5e510a6772bb86d3cda8d1a2c14c01a0e2 Mon Sep 17 00:00:00 2001
From: Krunal Bhargav <k-bhargav@ti.com>
Date: Mon, 16 Sep 2019 13:47:17 +0530
Subject: [PATCH] arm: omap: emif-common: Disable interleaving
If ECC is enabled, we need to ensure interleaving is disabled for higher
address space.
Signed-off-by: Krunal Bhargav <k-bhargav@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
arch/arm/mach-omap2/emif-common.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-omap2/emif-common.c b/arch/arm/mach-omap2/emif-common.c
index 04bbfd84a2..9bdaa388c9 100644
--- a/arch/arm/mach-omap2/emif-common.c
+++ b/arch/arm/mach-omap2/emif-common.c
@@ -355,6 +355,9 @@ static void dra7_enable_ecc(u32 base, const struct emif_regs *regs)
return;
if (regs->emif_ecc_ctrl_reg & EMIF_ECC_CTRL_REG_ECC_EN_MASK) {
+ /* Disable high-order interleaving */
+ clrbits_le32(MA_PRIORITY, MA_HIMEM_INTERLEAVE_UN_MASK);
+
writel(regs->emif_ecc_address_range_1,
&emif->emif_ecc_address_range_1);
writel(regs->emif_ecc_address_range_2,
--
2.39.5