* [U-Boot] [PATCH 1/7] ARM: DRA7: DDR3: Add support for HW leveling
2015-06-03 9:13 [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Lokesh Vutla
@ 2015-06-03 9:13 ` Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot, " Tom Rini
2015-06-03 9:13 ` [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable " Lokesh Vutla
` (6 subsequent siblings)
7 siblings, 2 replies; 26+ messages in thread
From: Lokesh Vutla @ 2015-06-03 9:13 UTC (permalink / raw)
To: u-boot
DRA7 EMIF supports Full leveling for DDR3.
Adding support for the Full leveling sequence.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
arch/arm/cpu/armv7/omap-common/emif-common.c | 146 +++++++++++++++++++++++----
arch/arm/cpu/armv7/omap5/sdram.c | 76 +++++++++++++-
arch/arm/include/asm/emif.h | 9 ++
board/ti/beagle_x15/board.c | 15 ++-
4 files changed, 220 insertions(+), 26 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c
index c01a98f..3ee4695 100644
--- a/arch/arm/cpu/armv7/omap-common/emif-common.c
+++ b/arch/arm/cpu/armv7/omap-common/emif-common.c
@@ -242,13 +242,122 @@ static void omap5_ddr3_leveling(u32 base, const struct emif_regs *regs)
__udelay(130);
}
-static void ddr3_leveling(u32 base, const struct emif_regs *regs)
+static void update_hwleveling_output(u32 base, const struct emif_regs *regs)
{
- if (is_omap54xx())
- omap5_ddr3_leveling(base, regs);
+ struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
+ u32 *emif_ext_phy_ctrl_reg, *emif_phy_status;
+ u32 reg, i;
+
+ emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[7];
+
+ /* Update PHY_REG_RDDQS_RATIO */
+ emif_ext_phy_ctrl_reg = (u32 *)&emif->emif_ddr_ext_phy_ctrl_7;
+ for (i = 0; i < PHY_RDDQS_RATIO_REGS; i++) {
+ reg = readl(emif_phy_status++);
+ writel(reg, emif_ext_phy_ctrl_reg++);
+ writel(reg, emif_ext_phy_ctrl_reg++);
+ }
+
+ /* Update PHY_REG_FIFO_WE_SLAVE_RATIO */
+ emif_ext_phy_ctrl_reg = (u32 *)&emif->emif_ddr_ext_phy_ctrl_2;
+ for (i = 0; i < PHY_FIFO_WE_SLAVE_RATIO_REGS; i++) {
+ reg = readl(emif_phy_status++);
+ writel(reg, emif_ext_phy_ctrl_reg++);
+ writel(reg, emif_ext_phy_ctrl_reg++);
+ }
+
+ /* Update PHY_REG_WR_DQ/DQS_SLAVE_RATIO */
+ emif_ext_phy_ctrl_reg = (u32 *)&emif->emif_ddr_ext_phy_ctrl_12;
+ for (i = 0; i < PHY_REG_WR_DQ_SLAVE_RATIO_REGS; i++) {
+ reg = readl(emif_phy_status++);
+ writel(reg, emif_ext_phy_ctrl_reg++);
+ writel(reg, emif_ext_phy_ctrl_reg++);
+ }
+
+ /* Disable Leveling */
+ writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1);
+ writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1_shdw);
+ writel(0x0, &emif->emif_rd_wr_lvl_rmp_ctl);
}
-static void ddr3_init(u32 base, const struct emif_regs *regs)
+static void dra7_ddr3_leveling(u32 base, const struct emif_regs *regs)
+{
+ struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
+
+ /* Clear Error Status */
+ clrsetbits_le32(&emif->emif_ddr_ext_phy_ctrl_36,
+ EMIF_REG_PHY_FIFO_WE_IN_MISALINED_CLR,
+ EMIF_REG_PHY_FIFO_WE_IN_MISALINED_CLR);
+
+ clrsetbits_le32(&emif->emif_ddr_ext_phy_ctrl_36_shdw,
+ EMIF_REG_PHY_FIFO_WE_IN_MISALINED_CLR,
+ EMIF_REG_PHY_FIFO_WE_IN_MISALINED_CLR);
+
+ /* Disable refreshed before leveling */
+ clrsetbits_le32(&emif->emif_sdram_ref_ctrl, EMIF_REG_INITREF_DIS_SHIFT,
+ EMIF_REG_INITREF_DIS_SHIFT);
+
+ /* Start Full leveling */
+ writel(DDR3_FULL_LVL, &emif->emif_rd_wr_lvl_ctl);
+
+ __udelay(300);
+
+ /* Check for leveling timeout */
+ if (readl(&emif->emif_status) & EMIF_REG_LEVELING_TO_MASK) {
+ printf("Leveling timeout on EMIF%d\n", emif_num(base));
+ return;
+ }
+
+ /* Enable refreshes after leveling */
+ clrbits_le32(&emif->emif_sdram_ref_ctrl, EMIF_REG_INITREF_DIS_SHIFT);
+
+ debug("HW leveling success\n");
+ /*
+ * Update slave ratios in EXT_PHY_CTRLx registers
+ * as per HW leveling output
+ */
+ update_hwleveling_output(base, regs);
+}
+
+static void dra7_ddr3_init(u32 base, const struct emif_regs *regs)
+{
+ struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
+
+ if (warm_reset())
+ emif_reset_phy(base);
+ do_ext_phy_settings(base, regs);
+
+ writel(regs->ref_ctrl | EMIF_REG_INITREF_DIS_MASK,
+ &emif->emif_sdram_ref_ctrl);
+ /* Update timing registers */
+ writel(regs->sdram_tim1, &emif->emif_sdram_tim_1);
+ writel(regs->sdram_tim2, &emif->emif_sdram_tim_2);
+ writel(regs->sdram_tim3, &emif->emif_sdram_tim_3);
+
+ writel(EMIF_L3_CONFIG_VAL_SYS_10_MPU_5_LL_0, &emif->emif_l3_config);
+ writel(regs->read_idle_ctrl, &emif->emif_read_idlectrl);
+ writel(regs->zq_config, &emif->emif_zq_config);
+ writel(regs->temp_alert_config, &emif->emif_temp_alert_config);
+ writel(regs->emif_rd_wr_lvl_rmp_ctl, &emif->emif_rd_wr_lvl_rmp_ctl);
+ writel(regs->emif_rd_wr_lvl_ctl, &emif->emif_rd_wr_lvl_ctl);
+
+ writel(regs->emif_ddr_phy_ctlr_1_init, &emif->emif_ddr_phy_ctrl_1);
+ writel(regs->emif_rd_wr_exec_thresh, &emif->emif_rd_wr_exec_thresh);
+
+ writel(regs->ref_ctrl, &emif->emif_sdram_ref_ctrl);
+
+ writel(regs->sdram_config2, &emif->emif_lpddr2_nvm_config);
+ writel(regs->sdram_config_init, &emif->emif_sdram_config);
+
+ __udelay(1000);
+
+ writel(regs->ref_ctrl_final, &emif->emif_sdram_ref_ctrl);
+
+ if (regs->emif_rd_wr_lvl_rmp_ctl & EMIF_REG_RDWRLVL_EN_MASK)
+ dra7_ddr3_leveling(base, regs);
+}
+
+static void omap5_ddr3_init(u32 base, const struct emif_regs *regs)
{
struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
@@ -269,25 +378,20 @@ static void ddr3_init(u32 base, const struct emif_regs *regs)
writel(regs->read_idle_ctrl, &emif->emif_read_idlectrl);
- /*
- * The same sequence should work on OMAP5432 as well. But strange that
- * it is not working
- */
- if (is_dra7xx()) {
- do_ext_phy_settings(base, regs);
- writel(regs->ref_ctrl_final, &emif->emif_sdram_ref_ctrl);
- writel(regs->sdram_config2, &emif->emif_lpddr2_nvm_config);
- writel(regs->sdram_config_init, &emif->emif_sdram_config);
- } else {
- writel(regs->sdram_config2, &emif->emif_lpddr2_nvm_config);
- writel(regs->sdram_config_init, &emif->emif_sdram_config);
- do_ext_phy_settings(base, regs);
- }
+ writel(regs->sdram_config2, &emif->emif_lpddr2_nvm_config);
+ writel(regs->sdram_config_init, &emif->emif_sdram_config);
+ do_ext_phy_settings(base, regs);
- /* enable leveling */
writel(regs->emif_rd_wr_lvl_rmp_ctl, &emif->emif_rd_wr_lvl_rmp_ctl);
+ omap5_ddr3_leveling(base, regs);
+}
- ddr3_leveling(base, regs);
+static void ddr3_init(u32 base, const struct emif_regs *regs)
+{
+ if (is_omap54xx())
+ omap5_ddr3_init(base, regs);
+ else
+ dra7_ddr3_init(base, regs);
}
#ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
@@ -1075,7 +1179,7 @@ static void do_sdram_init(u32 base)
if (warm_reset() && (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3)) {
set_lpmode_selfrefresh(base);
emif_reset_phy(base);
- ddr3_leveling(base, regs);
+ omap5_ddr3_leveling(base, regs);
}
/* Write to the shadow registers */
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 5f8daa1..2e23852 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -421,8 +421,14 @@ const u32 ddr3_ext_phy_ctrl_const_base_es2[] = {
0x0
};
+/* Ext phy ctrl 1-35 regs */
const u32
dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
+ 0x10040100,
+ 0x00910091,
+ 0x00950095,
+ 0x009B009B,
+ 0x009E009E,
0x00980098,
0x00340034,
0x00350035,
@@ -441,7 +447,7 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
0x00500050,
0x00000000,
0x00600020,
- 0x40010080,
+ 0x40011080,
0x08102040,
0x0,
0x0,
@@ -450,8 +456,14 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
0x0
};
+/* Ext phy ctrl 1-35 regs */
const u32
dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = {
+ 0x10040100,
+ 0x00910091,
+ 0x00950095,
+ 0x009B009B,
+ 0x009E009E,
0x00980098,
0x00330033,
0x00330033,
@@ -470,7 +482,7 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = {
0x00500050,
0x00000000,
0x00600020,
- 0x40010080,
+ 0x40011080,
0x08102040,
0x0,
0x0,
@@ -479,8 +491,14 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = {
0x0
};
+/* Ext phy ctrl 1-35 regs */
const u32
dra_ddr3_ext_phy_ctrl_const_base_666MHz[] = {
+ 0x10040100,
+ 0x00A400A4,
+ 0x00A900A9,
+ 0x00B000B0,
+ 0x00B000B0,
0x00A400A4,
0x00390039,
0x00320032,
@@ -562,7 +580,7 @@ void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs)
*regs = &mr_regs;
}
-void do_ext_phy_settings(u32 base, const struct emif_regs *regs)
+static void do_ext_phy_settings_omap5(u32 base, const struct emif_regs *regs)
{
u32 *ext_phy_ctrl_base = 0;
u32 *emif_ext_phy_ctrl_base = 0;
@@ -601,6 +619,58 @@ void do_ext_phy_settings(u32 base, const struct emif_regs *regs)
}
}
+static void do_ext_phy_settings_dra7(u32 base, const struct emif_regs *regs)
+{
+ struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
+ u32 *emif_ext_phy_ctrl_base = 0;
+ u32 emif_nr;
+ const u32 *ext_phy_ctrl_const_regs;
+ u32 i, hw_leveling, size;
+
+ emif_nr = (base == EMIF1_BASE) ? 1 : 2;
+
+ hw_leveling = regs->emif_rd_wr_lvl_rmp_ctl >> EMIF_REG_RDWRLVL_EN_SHIFT;
+
+ emif_ext_phy_ctrl_base = (u32 *)&(emif->emif_ddr_ext_phy_ctrl_1);
+
+ emif_get_ext_phy_ctrl_const_regs(emif_nr,
+ &ext_phy_ctrl_const_regs, &size);
+
+ writel(ext_phy_ctrl_const_regs[0], &emif_ext_phy_ctrl_base[0]);
+ writel(ext_phy_ctrl_const_regs[0], &emif_ext_phy_ctrl_base[1]);
+
+ if (!hw_leveling) {
+ /*
+ * Copy the predefined PHY register values
+ * in case of sw leveling
+ */
+ for (i = 1; i < 25; i++) {
+ writel(ext_phy_ctrl_const_regs[i],
+ &emif_ext_phy_ctrl_base[i * 2]);
+ writel(ext_phy_ctrl_const_regs[i],
+ &emif_ext_phy_ctrl_base[i * 2 + 1]);
+ }
+ } else {
+ /*
+ * Write the init value for HW levling to occur
+ */
+ for (i = 21; i < 35; i++) {
+ writel(ext_phy_ctrl_const_regs[i],
+ &emif_ext_phy_ctrl_base[i * 2]);
+ writel(ext_phy_ctrl_const_regs[i],
+ &emif_ext_phy_ctrl_base[i * 2 + 1]);
+ }
+ }
+}
+
+void do_ext_phy_settings(u32 base, const struct emif_regs *regs)
+{
+ if (is_omap54xx())
+ do_ext_phy_settings_omap5(base, regs);
+ else
+ do_ext_phy_settings_dra7(base, regs);
+}
+
#ifndef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
static const struct lpddr2_ac_timings timings_jedec_532_mhz = {
.max_freq = 532000000,
diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h
index 7a545ea..a97d2fd 100644
--- a/arch/arm/include/asm/emif.h
+++ b/arch/arm/include/asm/emif.h
@@ -44,6 +44,8 @@
#define EMIF_REG_DUAL_CLK_MODE_MASK (1 << 30)
#define EMIF_REG_FAST_INIT_SHIFT 29
#define EMIF_REG_FAST_INIT_MASK (1 << 29)
+#define EMIF_REG_LEVLING_TO_SHIFT 4
+#define EMIF_REG_LEVELING_TO_MASK (7 << 4)
#define EMIF_REG_PHY_DLL_READY_SHIFT 2
#define EMIF_REG_PHY_DLL_READY_MASK (1 << 2)
@@ -509,6 +511,13 @@
#define EMIF_REG_RDWRLVLINC_RMP_WIN_SHIFT 0
#define EMIF_REG_RDWRLVLINC_RMP_WIN_MASK (0x1FFF << 0)
+/* EMIF_PHY_CTRL_36 */
+#define EMIF_REG_PHY_FIFO_WE_IN_MISALINED_CLR (1 << 8)
+
+#define PHY_RDDQS_RATIO_REGS 5
+#define PHY_FIFO_WE_SLAVE_RATIO_REGS 5
+#define PHY_REG_WR_DQ_SLAVE_RATIO_REGS 10
+
/*Leveling Fields */
#define DDR3_WR_LVL_INT 0x73
#define DDR3_RD_LVL_INT 0x33
diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c
index 3a7e04d..75dd8e8 100644
--- a/board/ti/beagle_x15/board.c
+++ b/board/ti/beagle_x15/board.c
@@ -68,7 +68,13 @@ static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
.emif_rd_wr_exec_thresh = 0x00000305
};
+/* Ext phy ctrl regs 1-35 */
static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
+ 0x10040100,
+ 0x00740074,
+ 0x00780078,
+ 0x007c007c,
+ 0x007b007b,
0x00800080,
0x00360036,
0x00340034,
@@ -90,7 +96,7 @@ static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
0x00000000,
0x00600020,
- 0x40010080,
+ 0x40011080,
0x08102040,
0x00400040,
@@ -126,6 +132,11 @@ static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
};
static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
+ 0x10040100,
+ 0x00820082,
+ 0x008b008b,
+ 0x00800080,
+ 0x007e007e,
0x00800080,
0x00370037,
0x00390039,
@@ -145,7 +156,7 @@ static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
0x00000000,
0x00600020,
- 0x40010080,
+ 0x40011080,
0x08102040,
0x00400040,
--
1.9.1
^ permalink raw reply related [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 1/7] ARM: DRA7: DDR3: Add support for HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 1/7] ARM: DRA7: DDR3: Add support for HW leveling Lokesh Vutla
@ 2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot, " Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-03 14:10 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:21PM +0530, Lokesh Vutla wrote:
> DRA7 EMIF supports Full leveling for DDR3.
> Adding support for the Full leveling sequence.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [U-Boot, 1/7] ARM: DRA7: DDR3: Add support for HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 1/7] ARM: DRA7: DDR3: Add support for HW leveling Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
@ 2015-06-13 2:08 ` Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-13 2:08 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:21PM +0530, Lokesh Vutla wrote:
> DRA7 EMIF supports Full leveling for DDR3.
> Adding support for the Full leveling sequence.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable HW leveling
2015-06-03 9:13 [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Lokesh Vutla
2015-06-03 9:13 ` [U-Boot] [PATCH 1/7] ARM: DRA7: DDR3: Add support for HW leveling Lokesh Vutla
@ 2015-06-03 9:13 ` Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
` (2 more replies)
2015-06-03 9:13 ` [U-Boot] [PATCH 3/7] ARM: DRA7-evm: " Lokesh Vutla
` (5 subsequent siblings)
7 siblings, 3 replies; 26+ messages in thread
From: Lokesh Vutla @ 2015-06-03 9:13 UTC (permalink / raw)
To: u-boot
Updating EMIF registers to enable HW leveling
on BeagleBoard-X15.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
board/ti/beagle_x15/board.c | 26 ++++++++++++++++++--------
1 file changed, 18 insertions(+), 8 deletions(-)
diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c
index 75dd8e8..76654c8 100644
--- a/board/ti/beagle_x15/board.c
+++ b/board/ti/beagle_x15/board.c
@@ -55,15 +55,15 @@ static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
.read_idle_ctrl = 0x00050001,
.zq_config = 0x0007190b,
.temp_alert_config = 0x00000000,
- .emif_ddr_phy_ctlr_1_init = 0x0e24400a,
- .emif_ddr_phy_ctlr_1 = 0x0e24400a,
+ .emif_ddr_phy_ctlr_1_init = 0x0024400b,
+ .emif_ddr_phy_ctlr_1 = 0x0e24400b,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00740074,
.emif_ddr_ext_phy_ctrl_3 = 0x00780078,
.emif_ddr_ext_phy_ctrl_4 = 0x007c007c,
.emif_ddr_ext_phy_ctrl_5 = 0x007b007b,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
- .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
@@ -103,7 +103,12 @@ static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
0x00400040,
0x00400040,
0x00400040,
- 0x00400040
+ 0x00400040,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0
};
static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
@@ -118,15 +123,15 @@ static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
.read_idle_ctrl = 0x00050001,
.zq_config = 0x0007190b,
.temp_alert_config = 0x00000000,
- .emif_ddr_phy_ctlr_1_init = 0x0e24400a,
- .emif_ddr_phy_ctlr_1 = 0x0e24400a,
+ .emif_ddr_phy_ctlr_1_init = 0x0024400b,
+ .emif_ddr_phy_ctlr_1 = 0x0e24400b,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00820082,
.emif_ddr_ext_phy_ctrl_3 = 0x008b008b,
.emif_ddr_ext_phy_ctrl_4 = 0x00800080,
.emif_ddr_ext_phy_ctrl_5 = 0x007e007e,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
- .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
@@ -163,7 +168,12 @@ static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
0x00400040,
0x00400040,
0x00400040,
- 0x00400040
+ 0x00400040,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0
};
void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
--
1.9.1
^ permalink raw reply related [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable " Lokesh Vutla
@ 2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,2/7] " Tom Rini
2015-12-14 13:10 ` [U-Boot] [PATCH 2/7] " Dmitry Lifshitz
2 siblings, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-03 14:10 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:22PM +0530, Lokesh Vutla wrote:
> Updating EMIF registers to enable HW leveling
> on BeagleBoard-X15.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [U-Boot,2/7] ARM: BeagleBoard-X15: Enable HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable " Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
@ 2015-06-13 2:08 ` Tom Rini
2015-12-14 13:10 ` [U-Boot] [PATCH 2/7] " Dmitry Lifshitz
2 siblings, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-13 2:08 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:22PM +0530, Lokesh Vutla wrote:
> Updating EMIF registers to enable HW leveling
> on BeagleBoard-X15.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable " Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,2/7] " Tom Rini
@ 2015-12-14 13:10 ` Dmitry Lifshitz
2015-12-16 12:54 ` Lokesh Vutla
2 siblings, 1 reply; 26+ messages in thread
From: Dmitry Lifshitz @ 2015-12-14 13:10 UTC (permalink / raw)
To: u-boot
Hi Lokesh,
We are working on U-Boot for CompuLab board based on
AM57xx SoC (CL-SOM-AM57x).
We figured out the following note in AM57xx TRM for EMIF register
EMIF_DDR_PHY_CONTROL_1,
bits 25:27 (WRLVL_MASK, RDLVLGATE_MASK, RDLVL_MASK)
"NOTE: Read-Write Leveling is not supported on this
device. Set this value to 0x1."
This contradicts with the following patch, enabling HW leveling for
BeagleBoard-X15.
Please, advice, if it save and required to apply HW leveling related
registers settings.
Does DRA7x DDR3 HW leveling code is relevant for AM57xx ?
Thank you,
Dmitry Lifshitz
On 06/03/2015 12:13 PM, Lokesh Vutla wrote:
> Updating EMIF registers to enable HW leveling
> on BeagleBoard-X15.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> ---
> board/ti/beagle_x15/board.c | 26 ++++++++++++++++++--------
> 1 file changed, 18 insertions(+), 8 deletions(-)
>
> diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c
> index 75dd8e8..76654c8 100644
> --- a/board/ti/beagle_x15/board.c
> +++ b/board/ti/beagle_x15/board.c
> @@ -55,15 +55,15 @@ static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
> .read_idle_ctrl = 0x00050001,
> .zq_config = 0x0007190b,
> .temp_alert_config = 0x00000000,
> - .emif_ddr_phy_ctlr_1_init = 0x0e24400a,
> - .emif_ddr_phy_ctlr_1 = 0x0e24400a,
> + .emif_ddr_phy_ctlr_1_init = 0x0024400b,
> + .emif_ddr_phy_ctlr_1 = 0x0e24400b,
> .emif_ddr_ext_phy_ctrl_1 = 0x10040100,
> .emif_ddr_ext_phy_ctrl_2 = 0x00740074,
> .emif_ddr_ext_phy_ctrl_3 = 0x00780078,
> .emif_ddr_ext_phy_ctrl_4 = 0x007c007c,
> .emif_ddr_ext_phy_ctrl_5 = 0x007b007b,
> .emif_rd_wr_lvl_rmp_win = 0x00000000,
> - .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
> + .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
> .emif_rd_wr_lvl_ctl = 0x00000000,
> .emif_rd_wr_exec_thresh = 0x00000305
> };
> @@ -103,7 +103,12 @@ static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
> 0x00400040,
> 0x00400040,
> 0x00400040,
> - 0x00400040
> + 0x00400040,
> + 0x0,
> + 0x0,
> + 0x0,
> + 0x0,
> + 0x0
> };
>
> static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
> @@ -118,15 +123,15 @@ static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
> .read_idle_ctrl = 0x00050001,
> .zq_config = 0x0007190b,
> .temp_alert_config = 0x00000000,
> - .emif_ddr_phy_ctlr_1_init = 0x0e24400a,
> - .emif_ddr_phy_ctlr_1 = 0x0e24400a,
> + .emif_ddr_phy_ctlr_1_init = 0x0024400b,
> + .emif_ddr_phy_ctlr_1 = 0x0e24400b,
> .emif_ddr_ext_phy_ctrl_1 = 0x10040100,
> .emif_ddr_ext_phy_ctrl_2 = 0x00820082,
> .emif_ddr_ext_phy_ctrl_3 = 0x008b008b,
> .emif_ddr_ext_phy_ctrl_4 = 0x00800080,
> .emif_ddr_ext_phy_ctrl_5 = 0x007e007e,
> .emif_rd_wr_lvl_rmp_win = 0x00000000,
> - .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
> + .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
> .emif_rd_wr_lvl_ctl = 0x00000000,
> .emif_rd_wr_exec_thresh = 0x00000305
> };
> @@ -163,7 +168,12 @@ static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
> 0x00400040,
> 0x00400040,
> 0x00400040,
> - 0x00400040
> + 0x00400040,
> + 0x0,
> + 0x0,
> + 0x0,
> + 0x0,
> + 0x0
> };
>
> void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
>
^ permalink raw reply [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable HW leveling
2015-12-14 13:10 ` [U-Boot] [PATCH 2/7] " Dmitry Lifshitz
@ 2015-12-16 12:54 ` Lokesh Vutla
2015-12-16 13:48 ` Dmitry Lifshitz
0 siblings, 1 reply; 26+ messages in thread
From: Lokesh Vutla @ 2015-12-16 12:54 UTC (permalink / raw)
To: u-boot
Hi,
On Monday 14 December 2015 06:40 PM, Dmitry Lifshitz wrote:
> Hi Lokesh,
>
> We are working on U-Boot for CompuLab board based on
> AM57xx SoC (CL-SOM-AM57x).
>
> We figured out the following note in AM57xx TRM for EMIF register
> EMIF_DDR_PHY_CONTROL_1,
> bits 25:27 (WRLVL_MASK, RDLVLGATE_MASK, RDLVL_MASK)
>
> "NOTE: Read-Write Leveling is not supported on this
> device. Set this value to 0x1."
Actually this is not true. It is supported and has been successfully
tested. TRM needs to be updated. Thanks for catching this. Ill take the
necessary steps for this update in TRM.
Thanks and regards,
Lokesh
>
> This contradicts with the following patch, enabling HW leveling for
> BeagleBoard-X15.
>
> Please, advice, if it save and required to apply HW leveling related
> registers settings.
>
> Does DRA7x DDR3 HW leveling code is relevant for AM57xx ?
>
> Thank you,
>
> Dmitry Lifshitz
>
>
> On 06/03/2015 12:13 PM, Lokesh Vutla wrote:
>> Updating EMIF registers to enable HW leveling
>> on BeagleBoard-X15.
>>
>> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
>> ---
>> board/ti/beagle_x15/board.c | 26 ++++++++++++++++++--------
>> 1 file changed, 18 insertions(+), 8 deletions(-)
>>
>> diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c
>> index 75dd8e8..76654c8 100644
>> --- a/board/ti/beagle_x15/board.c
>> +++ b/board/ti/beagle_x15/board.c
>> @@ -55,15 +55,15 @@ static const struct emif_regs
>> beagle_x15_emif1_ddr3_532mhz_emif_regs = {
>> .read_idle_ctrl = 0x00050001,
>> .zq_config = 0x0007190b,
>> .temp_alert_config = 0x00000000,
>> - .emif_ddr_phy_ctlr_1_init = 0x0e24400a,
>> - .emif_ddr_phy_ctlr_1 = 0x0e24400a,
>> + .emif_ddr_phy_ctlr_1_init = 0x0024400b,
>> + .emif_ddr_phy_ctlr_1 = 0x0e24400b,
>> .emif_ddr_ext_phy_ctrl_1 = 0x10040100,
>> .emif_ddr_ext_phy_ctrl_2 = 0x00740074,
>> .emif_ddr_ext_phy_ctrl_3 = 0x00780078,
>> .emif_ddr_ext_phy_ctrl_4 = 0x007c007c,
>> .emif_ddr_ext_phy_ctrl_5 = 0x007b007b,
>> .emif_rd_wr_lvl_rmp_win = 0x00000000,
>> - .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
>> + .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
>> .emif_rd_wr_lvl_ctl = 0x00000000,
>> .emif_rd_wr_exec_thresh = 0x00000305
>> };
>> @@ -103,7 +103,12 @@ static const u32
>> beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
>> 0x00400040,
>> 0x00400040,
>> 0x00400040,
>> - 0x00400040
>> + 0x00400040,
>> + 0x0,
>> + 0x0,
>> + 0x0,
>> + 0x0,
>> + 0x0
>> };
>>
>> static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs
>> = {
>> @@ -118,15 +123,15 @@ static const struct emif_regs
>> beagle_x15_emif2_ddr3_532mhz_emif_regs = {
>> .read_idle_ctrl = 0x00050001,
>> .zq_config = 0x0007190b,
>> .temp_alert_config = 0x00000000,
>> - .emif_ddr_phy_ctlr_1_init = 0x0e24400a,
>> - .emif_ddr_phy_ctlr_1 = 0x0e24400a,
>> + .emif_ddr_phy_ctlr_1_init = 0x0024400b,
>> + .emif_ddr_phy_ctlr_1 = 0x0e24400b,
>> .emif_ddr_ext_phy_ctrl_1 = 0x10040100,
>> .emif_ddr_ext_phy_ctrl_2 = 0x00820082,
>> .emif_ddr_ext_phy_ctrl_3 = 0x008b008b,
>> .emif_ddr_ext_phy_ctrl_4 = 0x00800080,
>> .emif_ddr_ext_phy_ctrl_5 = 0x007e007e,
>> .emif_rd_wr_lvl_rmp_win = 0x00000000,
>> - .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
>> + .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
>> .emif_rd_wr_lvl_ctl = 0x00000000,
>> .emif_rd_wr_exec_thresh = 0x00000305
>> };
>> @@ -163,7 +168,12 @@ static const u32
>> beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
>> 0x00400040,
>> 0x00400040,
>> 0x00400040,
>> - 0x00400040
>> + 0x00400040,
>> + 0x0,
>> + 0x0,
>> + 0x0,
>> + 0x0,
>> + 0x0
>> };
>>
>> void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
>>
>
^ permalink raw reply [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable HW leveling
2015-12-16 12:54 ` Lokesh Vutla
@ 2015-12-16 13:48 ` Dmitry Lifshitz
0 siblings, 0 replies; 26+ messages in thread
From: Dmitry Lifshitz @ 2015-12-16 13:48 UTC (permalink / raw)
To: u-boot
Hi Lokesh,
On 12/16/2015 02:54 PM, Lokesh Vutla wrote:
> Hi,
>
> On Monday 14 December 2015 06:40 PM, Dmitry Lifshitz wrote:
>> Hi Lokesh,
>>
>> We are working on U-Boot for CompuLab board based on
>> AM57xx SoC (CL-SOM-AM57x).
>>
>> We figured out the following note in AM57xx TRM for EMIF register
>> EMIF_DDR_PHY_CONTROL_1,
>> bits 25:27 (WRLVL_MASK, RDLVLGATE_MASK, RDLVL_MASK)
>>
>> "NOTE: Read-Write Leveling is not supported on this
>> device. Set this value to 0x1."
> Actually this is not true. It is supported and has been successfully
> tested. TRM needs to be updated. Thanks for catching this. Ill take the
> necessary steps for this update in TRM.
>
Thank you for the update.
Does TI has any kind of tool (for AM57x SoC family) that may help to
configure/validate EMIF and PHY registers settings?
Thanks,
Dmitry
> Thanks and regards,
> Lokesh
>
>>
>> This contradicts with the following patch, enabling HW leveling for
>> BeagleBoard-X15.
>>
>> Please, advice, if it save and required to apply HW leveling related
>> registers settings.
>>
>> Does DRA7x DDR3 HW leveling code is relevant for AM57xx ?
>>
>> Thank you,
>>
>> Dmitry Lifshitz
>>
>>
>> On 06/03/2015 12:13 PM, Lokesh Vutla wrote:
>>> Updating EMIF registers to enable HW leveling
>>> on BeagleBoard-X15.
>>>
>>> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
>>> ---
>>> board/ti/beagle_x15/board.c | 26 ++++++++++++++++++--------
>>> 1 file changed, 18 insertions(+), 8 deletions(-)
>>>
>>> diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c
>>> index 75dd8e8..76654c8 100644
>>> --- a/board/ti/beagle_x15/board.c
>>> +++ b/board/ti/beagle_x15/board.c
>>> @@ -55,15 +55,15 @@ static const struct emif_regs
>>> beagle_x15_emif1_ddr3_532mhz_emif_regs = {
>>> .read_idle_ctrl = 0x00050001,
>>> .zq_config = 0x0007190b,
>>> .temp_alert_config = 0x00000000,
>>> - .emif_ddr_phy_ctlr_1_init = 0x0e24400a,
>>> - .emif_ddr_phy_ctlr_1 = 0x0e24400a,
>>> + .emif_ddr_phy_ctlr_1_init = 0x0024400b,
>>> + .emif_ddr_phy_ctlr_1 = 0x0e24400b,
>>> .emif_ddr_ext_phy_ctrl_1 = 0x10040100,
>>> .emif_ddr_ext_phy_ctrl_2 = 0x00740074,
>>> .emif_ddr_ext_phy_ctrl_3 = 0x00780078,
>>> .emif_ddr_ext_phy_ctrl_4 = 0x007c007c,
>>> .emif_ddr_ext_phy_ctrl_5 = 0x007b007b,
>>> .emif_rd_wr_lvl_rmp_win = 0x00000000,
>>> - .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
>>> + .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
>>> .emif_rd_wr_lvl_ctl = 0x00000000,
>>> .emif_rd_wr_exec_thresh = 0x00000305
>>> };
>>> @@ -103,7 +103,12 @@ static const u32
>>> beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
>>> 0x00400040,
>>> 0x00400040,
>>> 0x00400040,
>>> - 0x00400040
>>> + 0x00400040,
>>> + 0x0,
>>> + 0x0,
>>> + 0x0,
>>> + 0x0,
>>> + 0x0
>>> };
>>>
>>> static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs
>>> = {
>>> @@ -118,15 +123,15 @@ static const struct emif_regs
>>> beagle_x15_emif2_ddr3_532mhz_emif_regs = {
>>> .read_idle_ctrl = 0x00050001,
>>> .zq_config = 0x0007190b,
>>> .temp_alert_config = 0x00000000,
>>> - .emif_ddr_phy_ctlr_1_init = 0x0e24400a,
>>> - .emif_ddr_phy_ctlr_1 = 0x0e24400a,
>>> + .emif_ddr_phy_ctlr_1_init = 0x0024400b,
>>> + .emif_ddr_phy_ctlr_1 = 0x0e24400b,
>>> .emif_ddr_ext_phy_ctrl_1 = 0x10040100,
>>> .emif_ddr_ext_phy_ctrl_2 = 0x00820082,
>>> .emif_ddr_ext_phy_ctrl_3 = 0x008b008b,
>>> .emif_ddr_ext_phy_ctrl_4 = 0x00800080,
>>> .emif_ddr_ext_phy_ctrl_5 = 0x007e007e,
>>> .emif_rd_wr_lvl_rmp_win = 0x00000000,
>>> - .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
>>> + .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
>>> .emif_rd_wr_lvl_ctl = 0x00000000,
>>> .emif_rd_wr_exec_thresh = 0x00000305
>>> };
>>> @@ -163,7 +168,12 @@ static const u32
>>> beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
>>> 0x00400040,
>>> 0x00400040,
>>> 0x00400040,
>>> - 0x00400040
>>> + 0x00400040,
>>> + 0x0,
>>> + 0x0,
>>> + 0x0,
>>> + 0x0,
>>> + 0x0
>>> };
>>>
>>> void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
>>>
>>
>
>
^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [PATCH 3/7] ARM: DRA7-evm: Enable HW leveling
2015-06-03 9:13 [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Lokesh Vutla
2015-06-03 9:13 ` [U-Boot] [PATCH 1/7] ARM: DRA7: DDR3: Add support for HW leveling Lokesh Vutla
2015-06-03 9:13 ` [U-Boot] [PATCH 2/7] ARM: BeagleBoard-X15: Enable " Lokesh Vutla
@ 2015-06-03 9:13 ` Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,3/7] " Tom Rini
2015-06-03 9:13 ` [U-Boot] [PATCH 4/7] ARM: DRA72-evm: " Lokesh Vutla
` (4 subsequent siblings)
7 siblings, 2 replies; 26+ messages in thread
From: Lokesh Vutla @ 2015-06-03 9:13 UTC (permalink / raw)
To: u-boot
Updating EMIF registers to enable HW leveling
on DRA7-evm.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
arch/arm/cpu/armv7/omap5/sdram.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 2e23852..942a80a 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -149,15 +149,15 @@ const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = {
.read_idle_ctrl = 0x00050001,
.zq_config = 0x0007190B,
.temp_alert_config = 0x00000000,
- .emif_ddr_phy_ctlr_1_init = 0x0E24400A,
- .emif_ddr_phy_ctlr_1 = 0x0E24400A,
+ .emif_ddr_phy_ctlr_1_init = 0x0024400B,
+ .emif_ddr_phy_ctlr_1 = 0x0E24400B,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00910091,
.emif_ddr_ext_phy_ctrl_3 = 0x00950095,
.emif_ddr_ext_phy_ctrl_4 = 0x009B009B,
.emif_ddr_ext_phy_ctrl_5 = 0x009E009E,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
- .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
@@ -174,15 +174,15 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = {
.read_idle_ctrl = 0x00050001,
.zq_config = 0x0007190B,
.temp_alert_config = 0x00000000,
- .emif_ddr_phy_ctlr_1_init = 0x0E24400A,
- .emif_ddr_phy_ctlr_1 = 0x0E24400A,
+ .emif_ddr_phy_ctlr_1_init = 0x0024400B,
+ .emif_ddr_phy_ctlr_1 = 0x0E24400B,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00910091,
.emif_ddr_ext_phy_ctrl_3 = 0x00950095,
.emif_ddr_ext_phy_ctrl_4 = 0x009B009B,
.emif_ddr_ext_phy_ctrl_5 = 0x009E009E,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
- .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
@@ -453,6 +453,11 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
0x0,
0x0,
0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
0x0
};
@@ -488,6 +493,11 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = {
0x0,
0x0,
0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
0x0
};
--
1.9.1
^ permalink raw reply related [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 3/7] ARM: DRA7-evm: Enable HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 3/7] ARM: DRA7-evm: " Lokesh Vutla
@ 2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,3/7] " Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-03 14:10 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:23PM +0530, Lokesh Vutla wrote:
> Updating EMIF registers to enable HW leveling
> on DRA7-evm.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [U-Boot,3/7] ARM: DRA7-evm: Enable HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 3/7] ARM: DRA7-evm: " Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
@ 2015-06-13 2:08 ` Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-13 2:08 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:23PM +0530, Lokesh Vutla wrote:
> Updating EMIF registers to enable HW leveling
> on DRA7-evm.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [PATCH 4/7] ARM: DRA72-evm: Enable HW leveling
2015-06-03 9:13 [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Lokesh Vutla
` (2 preceding siblings ...)
2015-06-03 9:13 ` [U-Boot] [PATCH 3/7] ARM: DRA7-evm: " Lokesh Vutla
@ 2015-06-03 9:13 ` Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,4/7] " Tom Rini
2015-06-03 9:13 ` [U-Boot] [PATCH 5/7] ARM: DRA7: Add is_dra72x cpu check definition Lokesh Vutla
` (3 subsequent siblings)
7 siblings, 2 replies; 26+ messages in thread
From: Lokesh Vutla @ 2015-06-03 9:13 UTC (permalink / raw)
To: u-boot
Updating EMIF registers to enable HW leveling
on DRA72-evm.
Also updating the timing registers.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
arch/arm/cpu/armv7/omap5/sdram.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 942a80a..3022b9e 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -191,15 +191,15 @@ const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = {
.sdram_config_init = 0x61862B32,
.sdram_config = 0x61862B32,
.sdram_config2 = 0x08000000,
- .ref_ctrl = 0x0000493E,
+ .ref_ctrl = 0x0000514C,
.ref_ctrl_final = 0x0000144A,
.sdram_tim1 = 0xD113781C,
- .sdram_tim2 = 0x308F7FE3,
- .sdram_tim3 = 0x009F86A8,
+ .sdram_tim2 = 0x305A7FDA,
+ .sdram_tim3 = 0x409F86A8,
.read_idle_ctrl = 0x00050000,
- .zq_config = 0x0007190B,
+ .zq_config = 0x5007190B,
.temp_alert_config = 0x00000000,
- .emif_ddr_phy_ctlr_1_init = 0x0E24400D,
+ .emif_ddr_phy_ctlr_1_init = 0x0024400D,
.emif_ddr_phy_ctlr_1 = 0x0E24400D,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00A400A4,
@@ -207,7 +207,7 @@ const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = {
.emif_ddr_ext_phy_ctrl_4 = 0x00B000B0,
.emif_ddr_ext_phy_ctrl_5 = 0x00B000B0,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
- .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
@@ -533,6 +533,11 @@ dra_ddr3_ext_phy_ctrl_const_base_666MHz[] = {
0x0,
0x0,
0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
0x0
};
--
1.9.1
^ permalink raw reply related [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 4/7] ARM: DRA72-evm: Enable HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 4/7] ARM: DRA72-evm: " Lokesh Vutla
@ 2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,4/7] " Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-03 14:10 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:24PM +0530, Lokesh Vutla wrote:
> Updating EMIF registers to enable HW leveling
> on DRA72-evm.
> Also updating the timing registers.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [U-Boot,4/7] ARM: DRA72-evm: Enable HW leveling
2015-06-03 9:13 ` [U-Boot] [PATCH 4/7] ARM: DRA72-evm: " Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
@ 2015-06-13 2:08 ` Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-13 2:08 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:24PM +0530, Lokesh Vutla wrote:
> Updating EMIF registers to enable HW leveling
> on DRA72-evm.
> Also updating the timing registers.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [PATCH 5/7] ARM: DRA7: Add is_dra72x cpu check definition
2015-06-03 9:13 [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Lokesh Vutla
` (3 preceding siblings ...)
2015-06-03 9:13 ` [U-Boot] [PATCH 4/7] ARM: DRA72-evm: " Lokesh Vutla
@ 2015-06-03 9:13 ` Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot, " Tom Rini
2015-06-03 9:13 ` [U-Boot] [PATCH 6/7] ARM: DRA7: Update DDR IO configuration Lokesh Vutla
` (2 subsequent siblings)
7 siblings, 2 replies; 26+ messages in thread
From: Lokesh Vutla @ 2015-06-03 9:13 UTC (permalink / raw)
To: u-boot
A generic is_dra72x cpu check is useful for grouping
all the revisions under that. This is used in the
subsequent patches.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
arch/arm/include/asm/omap_common.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index 123c84f..3387c1d 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -617,12 +617,19 @@ static inline u8 is_omap54xx(void)
}
#define DRA7XX 0x07000000
+#define DRA72X 0x07200000
static inline u8 is_dra7xx(void)
{
extern u32 *const omap_si_rev;
return ((*omap_si_rev & 0xFF000000) == DRA7XX);
}
+
+static inline u8 is_dra72x(void)
+{
+ extern u32 *const omap_si_rev;
+ return (*omap_si_rev & 0xFFF00000) == DRA72X;
+}
#endif
/*
--
1.9.1
^ permalink raw reply related [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 5/7] ARM: DRA7: Add is_dra72x cpu check definition
2015-06-03 9:13 ` [U-Boot] [PATCH 5/7] ARM: DRA7: Add is_dra72x cpu check definition Lokesh Vutla
@ 2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot, " Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-03 14:10 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:25PM +0530, Lokesh Vutla wrote:
> A generic is_dra72x cpu check is useful for grouping
> all the revisions under that. This is used in the
> subsequent patches.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [U-Boot, 5/7] ARM: DRA7: Add is_dra72x cpu check definition
2015-06-03 9:13 ` [U-Boot] [PATCH 5/7] ARM: DRA7: Add is_dra72x cpu check definition Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
@ 2015-06-13 2:08 ` Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-13 2:08 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:25PM +0530, Lokesh Vutla wrote:
> A generic is_dra72x cpu check is useful for grouping
> all the revisions under that. This is used in the
> subsequent patches.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [PATCH 6/7] ARM: DRA7: Update DDR IO configuration
2015-06-03 9:13 [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Lokesh Vutla
` (4 preceding siblings ...)
2015-06-03 9:13 ` [U-Boot] [PATCH 5/7] ARM: DRA7: Add is_dra72x cpu check definition Lokesh Vutla
@ 2015-06-03 9:13 ` Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,6/7] " Tom Rini
2015-06-03 9:13 ` [U-Boot] [PATCH 7/7] ARM: DRA7: Update DDR IO registers Lokesh Vutla
2015-06-03 14:10 ` [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Tom Rini
7 siblings, 2 replies; 26+ messages in thread
From: Lokesh Vutla @ 2015-06-03 9:13 UTC (permalink / raw)
To: u-boot
DDRIO_2 and LPDDR2CH1_1 registers are not present
for DRA7. So not configuring these registers for DRA7xx
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
arch/arm/cpu/armv7/omap5/hwinit.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index 8d6b59e..03c2b97 100644
--- a/arch/arm/cpu/armv7/omap5/hwinit.c
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -75,16 +75,20 @@ static void io_settings_ddr3(void)
writel(ioregs->ctrl_ddrio_0, (*ctrl)->control_ddrio_0);
writel(ioregs->ctrl_ddrio_1, (*ctrl)->control_ddrio_1);
- writel(ioregs->ctrl_ddrio_2, (*ctrl)->control_ddrio_2);
+
+ if (!is_dra7xx()) {
+ writel(ioregs->ctrl_ddrio_2, (*ctrl)->control_ddrio_2);
+ writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_1);
+ }
/* omap5432 does not use lpddr2 */
writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_0);
- writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_1);
writel(ioregs->ctrl_emif_sdram_config_ext,
(*ctrl)->control_emif1_sdram_config_ext);
- writel(ioregs->ctrl_emif_sdram_config_ext,
- (*ctrl)->control_emif2_sdram_config_ext);
+ if (!is_dra72x())
+ writel(ioregs->ctrl_emif_sdram_config_ext,
+ (*ctrl)->control_emif2_sdram_config_ext);
if (is_omap54xx()) {
/* Disable DLL select */
--
1.9.1
^ permalink raw reply related [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 6/7] ARM: DRA7: Update DDR IO configuration
2015-06-03 9:13 ` [U-Boot] [PATCH 6/7] ARM: DRA7: Update DDR IO configuration Lokesh Vutla
@ 2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,6/7] " Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-03 14:10 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:26PM +0530, Lokesh Vutla wrote:
> DDRIO_2 and LPDDR2CH1_1 registers are not present
> for DRA7. So not configuring these registers for DRA7xx
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [U-Boot,6/7] ARM: DRA7: Update DDR IO configuration
2015-06-03 9:13 ` [U-Boot] [PATCH 6/7] ARM: DRA7: Update DDR IO configuration Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
@ 2015-06-13 2:08 ` Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-13 2:08 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:26PM +0530, Lokesh Vutla wrote:
> DDRIO_2 and LPDDR2CH1_1 registers are not present
> for DRA7. So not configuring these registers for DRA7xx
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [PATCH 7/7] ARM: DRA7: Update DDR IO registers
2015-06-03 9:13 [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Lokesh Vutla
` (5 preceding siblings ...)
2015-06-03 9:13 ` [U-Boot] [PATCH 6/7] ARM: DRA7: Update DDR IO configuration Lokesh Vutla
@ 2015-06-03 9:13 ` Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,7/7] " Tom Rini
2015-06-03 14:10 ` [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Tom Rini
7 siblings, 2 replies; 26+ messages in thread
From: Lokesh Vutla @ 2015-06-03 9:13 UTC (permalink / raw)
To: u-boot
Update DDR IO register values.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
arch/arm/cpu/armv7/omap5/hw_data.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index b9734fe..6de5974 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -578,11 +578,11 @@ const struct ctrl_ioregs ioregs_dra7xx_es1 = {
.ctrl_ddrch = 0x40404040,
.ctrl_lpddr2ch = 0x40404040,
.ctrl_ddr3ch = 0x80808080,
- .ctrl_ddrio_0 = 0xA2084210,
- .ctrl_ddrio_1 = 0x84210840,
+ .ctrl_ddrio_0 = 0x00094A40,
+ .ctrl_ddrio_1 = 0x04A52000,
.ctrl_ddrio_2 = 0x84210000,
- .ctrl_emif_sdram_config_ext = 0x0001C1A7,
- .ctrl_emif_sdram_config_ext_final = 0x0001C1A7,
+ .ctrl_emif_sdram_config_ext = 0x0001C127,
+ .ctrl_emif_sdram_config_ext_final = 0x0001C127,
.ctrl_ddr_ctrl_ext_0 = 0xA2000000,
};
@@ -590,11 +590,11 @@ const struct ctrl_ioregs ioregs_dra72x_es1 = {
.ctrl_ddrch = 0x40404040,
.ctrl_lpddr2ch = 0x40404040,
.ctrl_ddr3ch = 0x60606080,
- .ctrl_ddrio_0 = 0xA2084210,
- .ctrl_ddrio_1 = 0x84210840,
+ .ctrl_ddrio_0 = 0x00094A40,
+ .ctrl_ddrio_1 = 0x04A52000,
.ctrl_ddrio_2 = 0x84210000,
- .ctrl_emif_sdram_config_ext = 0x0001C1A7,
- .ctrl_emif_sdram_config_ext_final = 0x0001C1A7,
+ .ctrl_emif_sdram_config_ext = 0x0001C127,
+ .ctrl_emif_sdram_config_ext_final = 0x0001C127,
.ctrl_ddr_ctrl_ext_0 = 0xA2000000,
};
--
1.9.1
^ permalink raw reply related [flat|nested] 26+ messages in thread* [U-Boot] [PATCH 7/7] ARM: DRA7: Update DDR IO registers
2015-06-03 9:13 ` [U-Boot] [PATCH 7/7] ARM: DRA7: Update DDR IO registers Lokesh Vutla
@ 2015-06-03 14:10 ` Tom Rini
2015-06-13 2:08 ` [U-Boot] [U-Boot,7/7] " Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-03 14:10 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:27PM +0530, Lokesh Vutla wrote:
> Update DDR IO register values.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [U-Boot,7/7] ARM: DRA7: Update DDR IO registers
2015-06-03 9:13 ` [U-Boot] [PATCH 7/7] ARM: DRA7: Update DDR IO registers Lokesh Vutla
2015-06-03 14:10 ` Tom Rini
@ 2015-06-13 2:08 ` Tom Rini
1 sibling, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-13 2:08 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:27PM +0530, Lokesh Vutla wrote:
> Update DDR IO register values.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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^ permalink raw reply [flat|nested] 26+ messages in thread
* [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling
2015-06-03 9:13 [U-Boot] [PATCH 0/7] ARM: DRA7: DDR3: Enable hw leveling Lokesh Vutla
` (6 preceding siblings ...)
2015-06-03 9:13 ` [U-Boot] [PATCH 7/7] ARM: DRA7: Update DDR IO registers Lokesh Vutla
@ 2015-06-03 14:10 ` Tom Rini
7 siblings, 0 replies; 26+ messages in thread
From: Tom Rini @ 2015-06-03 14:10 UTC (permalink / raw)
To: u-boot
On Wed, Jun 03, 2015 at 02:43:20PM +0530, Lokesh Vutla wrote:
> This series updates the DDR3 init sequence and adds support for
> hw leveling for all DRA7 platforms.
>
> Tested memtest and reboot on DRA7-evm , DRA72-evm, BeagleBoard-x15 boards.
For sanity sake, tested on omap5_uevm (but indeed, the code didn't
change just a few related calling paths for that family).
--
Tom
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