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Diffstat (limited to 'arch/arm/mach-keystone')
-rw-r--r--arch/arm/mach-keystone/ddr3.c12
-rw-r--r--arch/arm/mach-keystone/include/mach/hardware.h4
2 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/mach-keystone/ddr3.c b/arch/arm/mach-keystone/ddr3.c
index dfb27b5..34606f4 100644
--- a/arch/arm/mach-keystone/ddr3.c
+++ b/arch/arm/mach-keystone/ddr3.c
@@ -52,7 +52,8 @@ void ddr3_init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg)
__raw_writel(phy_cfg->dtpr2, base + KS2_DDRPHY_DTPR2_OFFSET);
__raw_writel(phy_cfg->mr0, base + KS2_DDRPHY_MR0_OFFSET);
__raw_writel(phy_cfg->mr1, base + KS2_DDRPHY_MR1_OFFSET);
- __raw_writel(phy_cfg->mr2, base + KS2_DDRPHY_MR2_OFFSET);
+ if (!cpu_is_k2g())
+ __raw_writel(phy_cfg->mr2, base + KS2_DDRPHY_MR2_OFFSET);
__raw_writel(phy_cfg->dtcr, base + KS2_DDRPHY_DTCR_OFFSET);
__raw_writel(phy_cfg->pgcr2, base + KS2_DDRPHY_PGCR2_OFFSET);
@@ -64,6 +65,15 @@ void ddr3_init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg)
while ((__raw_readl(base + KS2_DDRPHY_PGSR0_OFFSET) & 0x1) != 0x1)
;
+ /* Disable ECC for K2G */
+ if (cpu_is_k2g()) {
+ clrbits_le32(base + KS2_DDRPHY_DATX8_4_OFFSET, 0x1);
+ clrbits_le32(base + KS2_DDRPHY_DATX8_5_OFFSET, 0x1);
+ clrbits_le32(base + KS2_DDRPHY_DATX8_6_OFFSET, 0x1);
+ clrbits_le32(base + KS2_DDRPHY_DATX8_7_OFFSET, 0x1);
+ clrbits_le32(base + KS2_DDRPHY_DATX8_8_OFFSET, 0x1);
+ }
+
__raw_writel(phy_cfg->pir_v2, base + KS2_DDRPHY_PIR_OFFSET);
while ((__raw_readl(base + KS2_DDRPHY_PGSR0_OFFSET) & 0x1) != 0x1)
;
diff --git a/arch/arm/mach-keystone/include/mach/hardware.h b/arch/arm/mach-keystone/include/mach/hardware.h
index a99713a..2fd5b23 100644
--- a/arch/arm/mach-keystone/include/mach/hardware.h
+++ b/arch/arm/mach-keystone/include/mach/hardware.h
@@ -52,6 +52,10 @@ typedef volatile unsigned int *dv_reg_p;
#define KS2_DDRPHY_ZQ2CR1_OFFSET 0x1A4
#define KS2_DDRPHY_ZQ3CR1_OFFSET 0x1B4
+#define KS2_DDRPHY_DATX8_4_OFFSET 0x2C0
+#define KS2_DDRPHY_DATX8_5_OFFSET 0x300
+#define KS2_DDRPHY_DATX8_6_OFFSET 0x340
+#define KS2_DDRPHY_DATX8_7_OFFSET 0x380
#define KS2_DDRPHY_DATX8_8_OFFSET 0x3C0
#define IODDRM_MASK 0x00000180