ARM: DRA72x: Add support for detection of DRA71x SR 2.1

DRA71x processors are reduced pin and software compatible
derivative of DRA72 processors. Add support for detection
of SR2.1 version of DRA71x family of processors.

Signed-off-by: Vishal Mahaveer <vishalm@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/include/asm/arch-omap5/omap.h

@@ -64,6 +64,7 @@
 #define DRA752_CONTROL_ID_CODE_ES2_0		0x2B99002F
 #define DRA722_CONTROL_ID_CODE_ES1_0		0x0B9BC02F
 #define DRA722_CONTROL_ID_CODE_ES2_0		0x1B9BC02F
+#define DRA722_CONTROL_ID_CODE_ES2_1		0x2B9BC02F
 
 /* UART */
 #define UART1_BASE		(OMAP54XX_L4_PER_BASE + 0x6a000)

arch/arm/include/asm/omap_common.h

@@ -776,6 +776,7 @@ static inline u8 is_dra76x(void)
 #define DRA752_ES2_0	0x07520200
 #define DRA722_ES1_0	0x07220100
 #define DRA722_ES2_0	0x07220200
+#define DRA722_ES2_1	0x07220210
 
 /*
  * silicon device type

arch/arm/mach-omap2/omap5/hw_data.c

@@ -762,6 +762,7 @@ void __weak hw_data_init(void)
 
 	case DRA722_ES1_0:
 	case DRA722_ES2_0:
+	case DRA722_ES2_1:
 	*prcm = &dra7xx_prcm;
 	*dplls_data = &dra72x_dplls;
 	*ctrl = &dra7xx_ctrl;
@@ -797,6 +798,7 @@ void get_ioregs(const struct ctrl_ioregs **regs)
 		*regs = &ioregs_dra72x_es1;
 		break;
 	case DRA722_ES2_0:
+	case DRA722_ES2_1:
 		*regs = &ioregs_dra72x_es2;
 		break;
 

arch/arm/mach-omap2/omap5/hwinit.c

@@ -380,6 +380,9 @@ void init_omap_revision(void)
 	case DRA722_CONTROL_ID_CODE_ES2_0:
 		*omap_si_rev = DRA722_ES2_0;
 		break;
+	case DRA722_CONTROL_ID_CODE_ES2_1:
+		*omap_si_rev = DRA722_ES2_1;
+		break;
 	default:
 		*omap_si_rev = OMAP5430_SILICON_ID_INVALID;
 	}

arch/arm/mach-omap2/omap5/sdram.c

@@ -482,6 +482,7 @@ void __weak emif_get_ext_phy_ctrl_const_regs(u32 emif_nr,
 		break;
 	case DRA762_ES1_0:
 	case DRA722_ES2_0:
+	case DRA722_ES2_1:
 		*regs = dra_ddr3_ext_phy_ctrl_const_base_666MHz_es2;
 		*size = ARRAY_SIZE(dra_ddr3_ext_phy_ctrl_const_base_666MHz_es2);
 		break;
@@ -716,6 +717,7 @@ const struct read_write_regs *get_bug_regs(u32 *iterations)
 	case DRA752_ES2_0:
 	case DRA722_ES1_0:
 	case DRA722_ES2_0:
+	case DRA722_ES2_1:
 		bug_00339_regs_ptr = dra_bug_00339_regs;
 		*iterations = sizeof(dra_bug_00339_regs)/
 			     sizeof(dra_bug_00339_regs[0]);

board/ti/dra7xx/evm.c

@@ -293,6 +293,7 @@ void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
 		break;
 	case DRA722_ES1_0:
 	case DRA722_ES2_0:
+	case DRA722_ES2_1:
 		if (ram_size < CONFIG_MAX_MEM_MAPPED)
 			*regs = &emif_1_regs_ddr3_666_mhz_1cs_dra_es1;
 		else
@@ -357,6 +358,7 @@ void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
 		break;
 	case DRA722_ES1_0:
 	case DRA722_ES2_0:
+	case DRA722_ES2_1:
 	default:
 		if (ram_size < CONFIG_MAX_MEM_MAPPED)
 			*dmm_lisa_regs = &lisa_map_2G_x_2;
@@ -755,6 +757,7 @@ void recalibrate_iodelay(void)
 	switch (omap_revision()) {
 	case DRA722_ES1_0:
 	case DRA722_ES2_0:
+	case DRA722_ES2_1:
 		pads = dra72x_core_padconf_array_common;
 		npads = ARRAY_SIZE(dra72x_core_padconf_array_common);
 		if (board_is_dra71x_evm()) {