Patchwork [U-Boot,5/7] arm: dra7xx: Add DDR related data for DRA752 ES1.0

login
register
mail settings
Submitter Lokesh Vutla
Date Feb. 13, 2013, 7:29 a.m.
Message ID <1360740549-32588-6-git-send-email-lokeshvutla@ti.com>
Download mbox | patch
Permalink /patch/220065/
State Accepted
Delegated to: Tom Rini
Headers show

Comments

Lokesh Vutla - Feb. 13, 2013, 7:29 a.m.
DRA752 uses DDR3. Populating the corresponding structures
with DDR3 data.
Writing into MA registers if only MA is present in that soc.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
---
 arch/arm/cpu/armv7/omap-common/emif-common.c |    2 +-
 arch/arm/cpu/armv7/omap4/sdram_elpida.c      |   18 +++++++++++++++---
 arch/arm/cpu/armv7/omap5/hw_data.c           |    1 +
 arch/arm/cpu/armv7/omap5/sdram.c             |   26 ++++++++++++++++++++++++--
 arch/arm/include/asm/emif.h                  |    1 +
 5 files changed, 42 insertions(+), 6 deletions(-)
Tom Rini - Feb. 15, 2013, 4:36 p.m.
On Wed, Feb 13, 2013 at 12:59:07PM +0530, Lokesh Vutla wrote:

> DRA752 uses DDR3. Populating the corresponding structures
> with DDR3 data.
> Writing into MA registers if only MA is present in that soc.
> 
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Signed-off-by: R Sricharan <r.sricharan@ti.com>

Reviewed-by: Tom Rini <trini@ti.com>

Patch

diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c
index 0683b9f..9eb1279 100644
--- a/arch/arm/cpu/armv7/omap-common/emif-common.c
+++ b/arch/arm/cpu/armv7/omap-common/emif-common.c
@@ -1191,7 +1191,7 @@  void dmm_init(u32 base)
 	writel(lisa_map_regs->dmm_lisa_map_0,
 		&hw_lisa_map_regs->dmm_lisa_map_0);
 
-	if (omap_revision() >= OMAP4460_ES1_0) {
+	if (lisa_map_regs->is_ma_present) {
 		hw_lisa_map_regs =
 		    (struct dmm_lisa_map_regs *)MA_BASE;
 
diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c b/arch/arm/cpu/armv7/omap4/sdram_elpida.c
index 01da790..20fc552 100644
--- a/arch/arm/cpu/armv7/omap4/sdram_elpida.c
+++ b/arch/arm/cpu/armv7/omap4/sdram_elpida.c
@@ -94,14 +94,24 @@  const struct dmm_lisa_map_regs lisa_map_2G_x_1_x_2 = {
 	.dmm_lisa_map_0 = 0xFF020100,
 	.dmm_lisa_map_1 = 0,
 	.dmm_lisa_map_2 = 0,
-	.dmm_lisa_map_3 = 0x80540300
+	.dmm_lisa_map_3 = 0x80540300,
+	.is_ma_present	= 0x0
 };
 
 const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2 = {
 	.dmm_lisa_map_0 = 0xFF020100,
 	.dmm_lisa_map_1 = 0,
 	.dmm_lisa_map_2 = 0,
-	.dmm_lisa_map_3 = 0x80640300
+	.dmm_lisa_map_3 = 0x80640300,
+	.is_ma_present	= 0x0
+};
+
+const struct dmm_lisa_map_regs ma_lisa_map_2G_x_2_x_2 = {
+	.dmm_lisa_map_0 = 0xFF020100,
+	.dmm_lisa_map_1 = 0,
+	.dmm_lisa_map_2 = 0,
+	.dmm_lisa_map_3 = 0x80640300,
+	.is_ma_present	= 0x1
 };
 
 static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)
@@ -126,8 +136,10 @@  static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs
 
 	if (omap_rev == OMAP4430_ES1_0)
 		*dmm_lisa_regs = &lisa_map_2G_x_1_x_2;
-	else
+	else if (omap_rev < OMAP4460_ES1_0)
 		*dmm_lisa_regs = &lisa_map_2G_x_2_x_2;
+	else
+		*dmm_lisa_regs = &ma_lisa_map_2G_x_2_x_2;
 }
 
 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index d42974e..14adfb3 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -586,6 +586,7 @@  void get_ioregs(const struct ctrl_ioregs **regs)
 		*regs = &ioregs_omap5432_es1;
 	break;
 	case OMAP5432_ES2_0:
+	case DRA752_ES1_0:
 		*regs = &ioregs_omap5432_es2;
 	break;
 
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 2ef7fcd..6b461e4 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -155,7 +155,16 @@  const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = {
 	.dmm_lisa_map_0 = 0x0,
 	.dmm_lisa_map_1 = 0x0,
 	.dmm_lisa_map_2 = 0x80740300,
-	.dmm_lisa_map_3 = 0xFF020100
+	.dmm_lisa_map_3 = 0xFF020100,
+	.is_ma_present	= 0x1
+};
+
+const struct dmm_lisa_map_regs lisa_map_512M_x_1 = {
+	.dmm_lisa_map_0 = 0x0,
+	.dmm_lisa_map_1 = 0x0,
+	.dmm_lisa_map_2 = 0x0,
+	.dmm_lisa_map_3 = 0x80500100,
+	.is_ma_present	= 0x1
 };
 
 static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)
@@ -171,6 +180,7 @@  static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)
 		*regs = &emif_regs_532_mhz_2cs_es2;
 		break;
 	case OMAP5432_ES2_0:
+	case DRA752_ES1_0:
 	default:
 		*regs = &emif_regs_ddr3_532_mhz_1cs_es2;
 	}
@@ -182,7 +192,18 @@  void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
 static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs
 						**dmm_lisa_regs)
 {
-	*dmm_lisa_regs = &lisa_map_4G_x_2_x_2;
+	switch (omap_revision()) {
+	case OMAP5430_ES1_0:
+	case OMAP5430_ES2_0:
+	case OMAP5432_ES1_0:
+	case OMAP5432_ES2_0:
+		*dmm_lisa_regs = &lisa_map_4G_x_2_x_2;
+		break;
+	case DRA752_ES1_0:
+	default:
+		*dmm_lisa_regs = &lisa_map_512M_x_1;
+	}
+
 }
 
 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
@@ -297,6 +318,7 @@  static void emif_get_ext_phy_ctrl_const_regs(const u32 **regs)
 		*regs = ddr3_ext_phy_ctrl_const_base_es1;
 		break;
 	case OMAP5432_ES2_0:
+	case DRA752_ES1_0:
 	default:
 		*regs = ddr3_ext_phy_ctrl_const_base_es2;
 
diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h
index 9d72fe3..c5d1e6c 100644
--- a/arch/arm/include/asm/emif.h
+++ b/arch/arm/include/asm/emif.h
@@ -697,6 +697,7 @@  struct dmm_lisa_map_regs {
 	u32 dmm_lisa_map_1;
 	u32 dmm_lisa_map_2;
 	u32 dmm_lisa_map_3;
+	u8 is_ma_present;
 };
 
 #define CS0	0