[PATCH 01/13] ARM: OMAP5: id: Add cpu id for ES versions

Adding the OMAP5 ES1.0, 2.0 and OMAP5432 cpu revision
detection support.

Signed-off-by: R Sricharan <redacted>
Signed-off-by: Santosh Shilimkar <redacted>
---
 arch/arm/mach-omap2/control.h         |    4 +++
 arch/arm/mach-omap2/id.c              |   47 +++++++++++++++++++++++++++++++++
 arch/arm/plat-omap/include/plat/cpu.h |   23 ++++++++++++++-
 3 files changed, 72 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index a406fd0..9daac6f 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h

@@ -246,6 +246,10 @@
 /* TI81XX CONTROL_DEVCONF register offsets */
 #define TI81XX_CONTROL_DEVICE_ID	(TI81XX_CONTROL_DEVCONF + 0x000)
 
+/* OMAP54XX CONTROL STATUS register */
+#define OMAP5XXX_CONTROL_STATUS                0x134
+#define OMAP5_DEVICETYPE_MASK          (0x7 << 6)
+
 /*
  * REVISIT: This list of registers is not comprehensive - there are more
  * that should be added.

diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 0e79b7b..d2ec323 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c

@@ -50,6 +50,11 @@ int omap_type(void)
 		val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS);
 	} else if (cpu_is_omap44xx()) {
 		val = omap_ctrl_readl(OMAP4_CTRL_MODULE_CORE_STATUS);
+	} else if (cpu_is_omap54xx()) {
+		val = omap_ctrl_readl(OMAP5XXX_CONTROL_STATUS);
+		val &= OMAP5_DEVICETYPE_MASK;
+		val >>= 6;
+		goto out;
 	} else {
 		pr_err("Cannot detect omap type!\n");
 		goto out;

@@ -500,6 +505,48 @@ void __init omap4xxx_check_revision(void)
 		((omap_rev() >> 12) & 0xf), ((omap_rev() >> 8) & 0xf));
 }
 
+void __init omap5xxx_check_revision(void)
+{
+	u32 idcode;
+	u16 hawkeye;
+	u8 rev;
+
+	idcode = read_tap_reg(OMAP_TAP_IDCODE);
+	hawkeye = (idcode >> 12) & 0xffff;
+	rev = (idcode >> 28) & 0xff;
+	switch (hawkeye) {
+	case 0xb942:
+		switch (rev) {
+		case 0:
+			omap_revision = OMAP5430_REV_ES1_0;
+			break;
+		case 1:
+			omap_revision = OMAP5430_REV_ES2_0;
+			break;
+		default:
+			omap_revision = OMAP5430_REV_ES1_0;