[U-Boot] [PATCH 1/3] ARM: DRA7: Add detection of ES2.0

[Nishanth Menon]

Add support for detection of ES2.0 version of DRA7 family of
processors. ES2.0 is an incremental revision with various fixes
including the following:
- reset logic fixes
- few assymetric aging logic fixes
- MMC clock rate fixes
- Ethernet speed fixes
- edma fixes for mcasp

[ravibabu at ti.com: posted internal for an older bootloader]
Signed-off-by: Ravi Babu <ravibabu at ti.com>
Signed-off-by: Nishanth Menon <nm at ti.com>
Acked-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 arch/arm/cpu/armv7/omap5/hw_data.c     | 2 ++
 arch/arm/cpu/armv7/omap5/hwinit.c      | 3 +++
 arch/arm/cpu/armv7/omap5/sdram.c       | 4 ++++
 arch/arm/include/asm/arch-omap5/omap.h | 1 +
 arch/arm/include/asm/omap_common.h     | 1 +
 5 files changed, 11 insertions(+)

diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index 3a723cace71a..3fe8268f7508 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -643,6 +643,7 @@ void __weak hw_data_init(void)
 
 	case DRA752_ES1_0:
 	case DRA752_ES1_1:
+	case DRA752_ES2_0:
 	*prcm = &dra7xx_prcm;
 	*dplls_data = &dra7xx_dplls;
 	*omap_vcores = &dra752_volts;
@@ -678,6 +679,7 @@ void get_ioregs(const struct ctrl_ioregs **regs)
 		break;
 	case DRA752_ES1_0:
 	case DRA752_ES1_1:
+	case DRA752_ES2_0:
 		*regs = &ioregs_dra7xx_es1;
 		break;
 	case DRA722_ES1_0:
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index 39f8d0d5e200..57a3644ad82b 100644
--- a/arch/arm/cpu/armv7/omap5/hwinit.c
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -365,6 +365,9 @@ void init_omap_revision(void)
 	case DRA752_CONTROL_ID_CODE_ES1_1:
 		*omap_si_rev = DRA752_ES1_1;
 		break;
+	case DRA752_CONTROL_ID_CODE_ES2_0:
+		*omap_si_rev = DRA752_ES2_0;
+		break;
 	case DRA722_CONTROL_ID_CODE_ES1_0:
 		*omap_si_rev = DRA722_ES1_0;
 		break;
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index cf4452d260f3..a8d63c23c8c6 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -284,6 +284,7 @@ static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)
 		break;
 	case DRA752_ES1_0:
 	case DRA752_ES1_1:
+	case DRA752_ES2_0:
 		switch (emif_nr) {
 		case 1:
 			*regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1;
@@ -316,6 +317,7 @@ static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs
 		break;
 	case DRA752_ES1_0:
 	case DRA752_ES1_1:
+	case DRA752_ES2_0:
 		*dmm_lisa_regs = &lisa_map_2G_x_2_x_2_2G_x_1_x_2;
 		break;
 	case DRA722_ES1_0:
@@ -569,6 +571,7 @@ void __weak emif_get_ext_phy_ctrl_const_regs(u32 emif_nr,
 		break;
 	case DRA752_ES1_0:
 	case DRA752_ES1_1:
+	case DRA752_ES2_0:
 		if (emif_nr == 1) {
 			*regs = dra_ddr3_ext_phy_ctrl_const_base_es1_emif1;
 			*size =
@@ -792,6 +795,7 @@ const struct read_write_regs *get_bug_regs(u32 *iterations)
 		break;
 	case DRA752_ES1_0:
 	case DRA752_ES1_1:
+	case DRA752_ES2_0:
 	case DRA722_ES1_0:
 		bug_00339_regs_ptr = dra_bug_00339_regs;
 		*iterations = sizeof(dra_bug_00339_regs)/
diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
index 524fae4bb9c6..ddf5c7a8eae7 100644
--- a/arch/arm/include/asm/arch-omap5/omap.h
+++ b/arch/arm/include/asm/arch-omap5/omap.h
@@ -52,6 +52,7 @@
 #define OMAP5432_CONTROL_ID_CODE_ES2_0          0x1B99802F
 #define DRA752_CONTROL_ID_CODE_ES1_0		0x0B99002F
 #define DRA752_CONTROL_ID_CODE_ES1_1		0x1B99002F
+#define DRA752_CONTROL_ID_CODE_ES2_0		0x2B99002F
 #define DRA722_CONTROL_ID_CODE_ES1_0		0x0B9BC02F
 
 /* UART */
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index 056affc3fabd..2f2001d3253f 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -672,6 +672,7 @@ static inline u8 is_dra72x(void)
 /* DRA7XX */
 #define DRA752_ES1_0	0x07520100
 #define DRA752_ES1_1	0x07520110
+#define DRA752_ES2_0	0x07520200
 #define DRA722_ES1_0	0x07220100
 
 /*
-- 
2.1.4