vf610twr: Tune DDR initialization settings
Removed settings in unsupported register fields. They didn’t
do anything, and in most cases, were not documented in the
reference manual.
Changed register settings to comply with JEDEC required values.
Changed timing parameters because they included full clock
periods that were doing nothing.
Signed-off-by: Anthony Felice <tony.felice@timesys.com>
[rebased on v2014.10-rc2]
Signed-off-by: Stefan Agner <stefan@agner.ch>
diff --git a/arch/arm/include/asm/arch-vf610/imx-regs.h b/arch/arm/include/asm/arch-vf610/imx-regs.h
index bb00217..9d797db 100644
--- a/arch/arm/include/asm/arch-vf610/imx-regs.h
+++ b/arch/arm/include/asm/arch-vf610/imx-regs.h
@@ -103,9 +103,11 @@
/* DDRMC */
#define DDRMC_PHY_DQ_TIMING 0x00002613
#define DDRMC_PHY_DQS_TIMING 0x00002615
-#define DDRMC_PHY_CTRL 0x01210080
+#define DDRMC_PHY_CTRL 0x00210000
#define DDRMC_PHY_MASTER_CTRL 0x0001012a
-#define DDRMC_PHY_SLAVE_CTRL 0x00012020
+#define DDRMC_PHY_SLAVE_CTRL 0x00002000
+#define DDRMC_PHY_OFF 0x00000000
+#define DDRMC_PHY_PROC_PAD_ODT 0x00010101
#define DDRMC_PHY50_DDR3_MODE (1 << 12)
#define DDRMC_PHY50_EN_SW_HALF_CYCLE (1 << 8)
@@ -138,7 +140,7 @@
#define DDRMC_CR21_CCMAP_EN 1
#define DDRMC_CR22_TDAL(v) (((v) & 0x3f) << 16)
#define DDRMC_CR23_BSTLEN(v) (((v) & 0x7) << 24)
-#define DDRMC_CR23_TDLL(v) ((v) & 0xff)
+#define DDRMC_CR23_TDLL(v) ((v) & 0xffff)
#define DDRMC_CR24_TRP_AB(v) ((v) & 0x1f)
#define DDRMC_CR25_TREF_EN (1 << 16)
#define DDRMC_CR26_TREF(v) (((v) & 0xffff) << 16)
@@ -151,7 +153,7 @@
#define DDRMC_CR33_EN_QK_SREF (1 << 16)
#define DDRMC_CR34_CKSRX(v) (((v) & 0xf) << 16)
#define DDRMC_CR34_CKSRE(v) (((v) & 0xf) << 8)
-#define DDRMC_CR38_FREQ_CHG_EN (1 << 8)
+#define DDRMC_CR38_FREQ_CHG_EN(v) (((v) & 0x1) << 8)
#define DDRMC_CR39_PHY_INI_COM(v) (((v) & 0xffff) << 16)
#define DDRMC_CR39_PHY_INI_STA(v) (((v) & 0xff) << 8)
#define DDRMC_CR39_FRQ_CH_DLLOFF(v) ((v) & 0x3)
@@ -163,7 +165,7 @@
#define DDRMC_CR67_ZQCS(v) ((v) & 0xfff)
#define DDRMC_CR69_ZQ_ON_SREF_EX(v) (((v) & 0xf) << 8)
#define DDRMC_CR70_REF_PER_ZQ(v) (v)
-#define DDRMC_CR72_ZQCS_ROTATE (1 << 24)
+#define DDRMC_CR72_ZQCS_ROTATE(v) (((v) & 0x1) << 24)
#define DDRMC_CR73_APREBIT(v) (((v) & 0xf) << 24)
#define DDRMC_CR73_COL_DIFF(v) (((v) & 0x7) << 16)
#define DDRMC_CR73_ROW_DIFF(v) (((v) & 0x3) << 8)
@@ -182,9 +184,10 @@
#define DDRMC_CR77_CS_MAP (1 << 24)
#define DDRMC_CR77_DI_RD_INTLEAVE (1 << 8)
#define DDRMC_CR77_SWAP_EN 1
+#define DDRMC_CR78_Q_FULLNESS(v) (((v) & 0x7) << 24)
#define DDRMC_CR78_BUR_ON_FLY_BIT(v) ((v) & 0xf)
-#define DDRMC_CR79_CTLUPD_AREF (1 << 24)
-#define DDRMC_CR82_INT_MASK 0x1fffffff
+#define DDRMC_CR79_CTLUPD_AREF(v) (((v) & 0x1) << 24)
+#define DDRMC_CR82_INT_MASK 0x10000000
#define DDRMC_CR87_ODT_WR_MAPCS0 (1 << 24)
#define DDRMC_CR87_ODT_RD_MAPCS0 (1 << 16)
#define DDRMC_CR88_TODTL_CMD(v) (((v) & 0x1f) << 16)
@@ -192,9 +195,17 @@
#define DDRMC_CR91_R2W_SMCSDL(v) (((v) & 0x7) << 16)
#define DDRMC_CR96_WLMRD(v) (((v) & 0x3f) << 8)
#define DDRMC_CR96_WLDQSEN(v) ((v) & 0x3f)
+#define DDRMC_CR97_WRLVL_EN (1 << 24)
+#define DDRMC_CR98_WRLVL_DL_0 (0)
+#define DDRMC_CR99_WRLVL_DL_1 (0)
+#define DDRMC_CR102_RDLVL_GT_REGEN (1 << 16)
+#define DDRMC_CR102_RDLVL_REG_EN (1 << 8)
#define DDRMC_CR105_RDLVL_DL_0(v) (((v) & 0xff) << 8)
+#define DDRMC_CR106_RDLVL_GTDL_0(v) ((v) & 0xff)
#define DDRMC_CR110_RDLVL_DL_1(v) ((v) & 0xff)
+#define DDRMC_CR110_RDLVL_GTDL_1(v) (((v) & 0xff) << 16)
#define DDRMC_CR114_RDLVL_GTDL_2(v) (((v) & 0xffff) << 8)
+#define DDRMC_CR115_RDLVL_GTDL_2(v) ((v) & 0xff)
#define DDRMC_CR117_AXI0_W_PRI(v) (((v) & 0x3) << 8)
#define DDRMC_CR117_AXI0_R_PRI(v) ((v) & 0x3)
#define DDRMC_CR118_AXI1_W_PRI(v) (((v) & 0x3) << 24)
@@ -208,20 +219,42 @@
#define DDRMC_CR122_AXI0_PRIRLX(v) ((v) & 0x3ff)
#define DDRMC_CR123_AXI1_PRI3_RPRI(v) (((v) & 0xf) << 8)
#define DDRMC_CR123_AXI1_PRI2_RPRI(v) ((v) & 0xf)
+#define DDRMC_CR123_AXI1_P_ODR_EN (1 << 16)
#define DDRMC_CR124_AXI1_PRIRLX(v) ((v) & 0x3ff)
#define DDRMC_CR126_PHY_RDLAT(v) (((v) & 0x3f) << 8)
#define DDRMC_CR132_WRLAT_ADJ(v) (((v) & 0x1f) << 8)
#define DDRMC_CR132_RDLAT_ADJ(v) ((v) & 0x3f)
+#define DDRMC_CR137_PHYCTL_DL(v) (((v) & 0xf) << 16)
+#define DDRMC_CR138_PHY_WRLV_MXDL(v) (((v) & 0xffff) << 16)
+#define DDRMC_CR138_PHYDRAM_CK_EN(v) (((v) & 0x8) << 8)
#define DDRMC_CR139_PHY_WRLV_RESPLAT(v) (((v) & 0xff) << 24)
#define DDRMC_CR139_PHY_WRLV_LOAD(v) (((v) & 0xff) << 16)
#define DDRMC_CR139_PHY_WRLV_DLL(v) (((v) & 0xff) << 8)
#define DDRMC_CR139_PHY_WRLV_EN(v) ((v) & 0xff)
+#define DDRMC_CR140_PHY_WRLV_WW(v) ((v) & 0x3ff)
+#define DDRMC_CR143_RDLV_GAT_MXDL(v) (((v) & 0xffff) << 16)
+#define DDRMC_CR143_RDLV_MXDL(v) ((v) & 0xffff)
+#define DDRMC_CR144_PHY_RDLVL_RES(v) (((v) & 0xff) << 24)
+#define DDRMC_CR144_PHY_RDLV_LOAD(v) (((v) & 0xff) << 16)
+#define DDRMC_CR144_PHY_RDLV_DLL(v) (((v) & 0xff) << 8)
+#define DDRMC_CR144_PHY_RDLV_EN(v) ((v) & 0xff)
+#define DDRMC_CR145_PHY_RDLV_RR(v) ((v) & 0x3ff)
+#define DDRMC_CR146_PHY_RDLVL_RESP(v) (v)
+#define DDRMC_CR147_RDLV_RESP_MASK(v) ((v) & 0xfffff)
+#define DDRMC_CR148_RDLV_GATE_RESP_MASK(v) ((v) & 0xfffff)
+#define DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(v) (((v) & 0xf) << 8)
+#define DDRMC_CR151_RDLVL_DQ_ZERO_CNT(v) ((v) & 0xf)
#define DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(v) (((v) & 0x1f) << 27)
#define DDRMC_CR154_PAD_ZQ_MODE(v) (((v) & 0x3) << 21)
#define DDRMC_CR154_DDR_SEL_PAD_CONTR(v) (((v) & 0x3) << 18)
+#define DDRMC_CR154_PAD_ZQ_HW_FOR(v) (((v) & 0x1) << 14)
#define DDRMC_CR155_AXI0_AWCACHE (1 << 10)
-#define DDRMC_CR155_PAD_ODT_BYTE1(v) ((v) & 0x7)
+#define DDRMC_CR155_PAD_ODT_BYTE1(v) (((v) & 0x7) << 3)
+#define DDRMC_CR155_PAD_ODT_BYTE0(v) ((v) & 0x7)
#define DDRMC_CR158_TWR(v) ((v) & 0x3f)
+#define DDRMC_CR161_ODT_EN(v) (((v) & 0x1) << 16)
+#define DDRMC_CR161_TODTH_RD(v) (((v) & 0xf) << 8)
+#define DDRMC_CR161_TODTH_WR(v) ((v) & 0xf)
#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
#include <asm/types.h>
diff --git a/arch/arm/include/asm/arch-vf610/iomux-vf610.h b/arch/arm/include/asm/arch-vf610/iomux-vf610.h
index 7464da8..9226e69 100644
--- a/arch/arm/include/asm/arch-vf610/iomux-vf610.h
+++ b/arch/arm/include/asm/arch-vf610/iomux-vf610.h
@@ -17,6 +17,8 @@
#define VF610_ENET_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_50ohm | \
PAD_CTL_OBE_IBE_ENABLE)
#define VF610_DDR_PAD_CTRL PAD_CTL_DSE_25ohm
+#define VF610_DDR_PAD_CTRL_1 (PAD_CTL_DSE_25ohm | \
+ PAD_CTL_INPUT_DIFFERENTIAL)
#define VF610_I2C_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_50ohm | \
PAD_CTL_SPEED_HIGH | PAD_CTL_OBE_IBE_ENABLE)
#define VF610_NFC_IO_PAD_CTRL (PAD_CTL_SPEED_MED | PAD_CTL_SRE | \
@@ -102,6 +104,7 @@
VF610_PAD_PTC28__NF_CLE = IOMUX_PAD(0x0194, 0x0194, 6, __NA_, 0, VF610_NFC_CN_PAD_CTRL),
+ VF610_PAD_DDR_RESETB = IOMUX_PAD(0x021c, 0x021c, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_A15__DDR_A_15 = IOMUX_PAD(0x0220, 0x0220, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_A14__DDR_A_14 = IOMUX_PAD(0x0224, 0x0224, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_A13__DDR_A_13 = IOMUX_PAD(0x0228, 0x0228, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
@@ -117,6 +120,7 @@
VF610_PAD_DDR_A3__DDR_A_3 = IOMUX_PAD(0x0250, 0x0250, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_A2__DDR_A_2 = IOMUX_PAD(0x0254, 0x0254, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_A1__DDR_A_1 = IOMUX_PAD(0x0258, 0x0258, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
+ VF610_PAD_DDR_A0__DDR_A_0 = IOMUX_PAD(0x025c, 0x025c, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_BA2__DDR_BA_2 = IOMUX_PAD(0x0260, 0x0260, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_BA1__DDR_BA_1 = IOMUX_PAD(0x0264, 0x0264, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_BA0__DDR_BA_0 = IOMUX_PAD(0x0268, 0x0268, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
@@ -124,26 +128,26 @@
VF610_PAD_DDR_CKE__DDR_CKE_0 = IOMUX_PAD(0x0270, 0x0270, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_CLK__DDR_CLK_0 = IOMUX_PAD(0x0274, 0x0274, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_CS__DDR_CS_B_0 = IOMUX_PAD(0x0278, 0x0278, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D15__DDR_D_15 = IOMUX_PAD(0x027c, 0x027c, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D14__DDR_D_14 = IOMUX_PAD(0x0280, 0x0280, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D13__DDR_D_13 = IOMUX_PAD(0x0284, 0x0284, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D12__DDR_D_12 = IOMUX_PAD(0x0288, 0x0288, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D11__DDR_D_11 = IOMUX_PAD(0x028c, 0x028c, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D10__DDR_D_10 = IOMUX_PAD(0x0290, 0x0290, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D9__DDR_D_9 = IOMUX_PAD(0x0294, 0x0294, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D8__DDR_D_8 = IOMUX_PAD(0x0298, 0x0298, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D7__DDR_D_7 = IOMUX_PAD(0x029c, 0x029c, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D6__DDR_D_6 = IOMUX_PAD(0x02a0, 0x02a0, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D5__DDR_D_5 = IOMUX_PAD(0x02a4, 0x02a4, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D4__DDR_D_4 = IOMUX_PAD(0x02a8, 0x02a8, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D3__DDR_D_3 = IOMUX_PAD(0x02ac, 0x02ac, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D2__DDR_D_2 = IOMUX_PAD(0x02b0, 0x02b0, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D1__DDR_D_1 = IOMUX_PAD(0x02b4, 0x02b4, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_D0__DDR_D_0 = IOMUX_PAD(0x02b8, 0x02b8, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_DQM1__DDR_DQM_1 = IOMUX_PAD(0x02bc, 0x02bc, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_DQM0__DDR_DQM_0 = IOMUX_PAD(0x02c0, 0x02c0, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_DQS1__DDR_DQS_1 = IOMUX_PAD(0x02c4, 0x02c4, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
- VF610_PAD_DDR_DQS0__DDR_DQS_0 = IOMUX_PAD(0x02c8, 0x02c8, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
+ VF610_PAD_DDR_D15__DDR_D_15 = IOMUX_PAD(0x027c, 0x027c, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D14__DDR_D_14 = IOMUX_PAD(0x0280, 0x0280, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D13__DDR_D_13 = IOMUX_PAD(0x0284, 0x0284, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D12__DDR_D_12 = IOMUX_PAD(0x0288, 0x0288, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D11__DDR_D_11 = IOMUX_PAD(0x028c, 0x028c, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D10__DDR_D_10 = IOMUX_PAD(0x0290, 0x0290, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D9__DDR_D_9 = IOMUX_PAD(0x0294, 0x0294, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D8__DDR_D_8 = IOMUX_PAD(0x0298, 0x0298, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D7__DDR_D_7 = IOMUX_PAD(0x029c, 0x029c, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D6__DDR_D_6 = IOMUX_PAD(0x02a0, 0x02a0, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D5__DDR_D_5 = IOMUX_PAD(0x02a4, 0x02a4, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D4__DDR_D_4 = IOMUX_PAD(0x02a8, 0x02a8, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D3__DDR_D_3 = IOMUX_PAD(0x02ac, 0x02ac, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D2__DDR_D_2 = IOMUX_PAD(0x02b0, 0x02b0, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D1__DDR_D_1 = IOMUX_PAD(0x02b4, 0x02b4, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_D0__DDR_D_0 = IOMUX_PAD(0x02b8, 0x02b8, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_DQM1__DDR_DQM_1 = IOMUX_PAD(0x02bc, 0x02bc, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_DQM0__DDR_DQM_0 = IOMUX_PAD(0x02c0, 0x02c0, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_DQS1__DDR_DQS_1 = IOMUX_PAD(0x02c4, 0x02c4, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
+ VF610_PAD_DDR_DQS0__DDR_DQS_0 = IOMUX_PAD(0x02c8, 0x02c8, 0, __NA_, 0, VF610_DDR_PAD_CTRL_1),
VF610_PAD_DDR_RAS__DDR_RAS_B = IOMUX_PAD(0x02cc, 0x02cc, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_WE__DDR_WE_B = IOMUX_PAD(0x02d0, 0x02d0, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
VF610_PAD_DDR_ODT1__DDR_ODT_0 = IOMUX_PAD(0x02d4, 0x02d4, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
diff --git a/arch/arm/include/asm/imx-common/iomux-v3.h b/arch/arm/include/asm/imx-common/iomux-v3.h
index 70ee86c..a8ca49c 100644
--- a/arch/arm/include/asm/imx-common/iomux-v3.h
+++ b/arch/arm/include/asm/imx-common/iomux-v3.h
@@ -120,6 +120,8 @@
#define PAD_MUX_MODE_SHIFT 20
+#define PAD_CTL_INPUT_DIFFERENTIAL (1 << 16)
+
#define PAD_CTL_SPEED_MED (1 << 12)
#define PAD_CTL_SPEED_HIGH (3 << 12)