ARM: OMAP: TI814X: Add cpu type macros and detection support

This patch adds cpu type, macros for identification of TI814X device.

Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
[tony@atomide.com: left out CK_TI814X for now]
Signed-off-by: Tony Lindgren <tony@atomide.com>

4 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index be0fa34e5506..60424f41156b 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3519,6 +3519,8 @@ int __init omap3xxx_clk_init(void)
 		cpu_clkflg = CK_TI816X;
 	} else if (cpu_is_am33xx()) {
 		cpu_mask = RATE_IN_AM33XX;
+	} else if (cpu_is_ti814x()) {
+		cpu_mask = RATE_IN_TI814X;
 	} else if (cpu_is_omap34xx()) {
 		if (omap_rev() == OMAP3430_REV_ES1_0) {
 			cpu_mask = RATE_IN_3430ES1;
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 1dc68e64d7e2..6c5826605eae 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -343,6 +343,25 @@ static void __init omap3_check_revision(const char **cpu_rev)
 	case 0xb944:
 		omap_revision = AM335X_REV_ES1_0;
 		*cpu_rev = "1.0";
+	case 0xb8f2:
+		switch (rev) {
+		case 0:
+		/* FALLTHROUGH */
+		case 1:
+			omap_revision = TI8148_REV_ES1_0;
+			*cpu_rev = "1.0";
+			break;
+		case 2:
+			omap_revision = TI8148_REV_ES2_0;
+			*cpu_rev = "2.0";
+			break;
+		case 3:
+		/* FALLTHROUGH */
+		default:
+			omap_revision = TI8148_REV_ES2_1;
+			*cpu_rev = "2.1";
+			break;
+		}
 		break;
 	default:
 		/* Unknown default to latest silicon rev as default */
@@ -449,6 +468,8 @@ static void __init omap3_cpuinfo(const char *cpu_rev)
 		cpu_name = "TI816X";
 	} else if (cpu_is_am335x()) {
 		cpu_name =  "AM335X";
+	} else if (cpu_is_ti814x()) {
+		cpu_name = "TI814X";
 	} else if (omap3_has_iva() && omap3_has_sgx()) {
 		/* OMAP3430, OMAP3525, OMAP3515, OMAP3503 devices */
 		cpu_name = "OMAP3430/3530";
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index bb3e423b731d..240a7b9fd946 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -60,6 +60,7 @@ struct clkops {
 #define RATE_IN_TI816X		(1 << 6)
 #define RATE_IN_4460		(1 << 7)
 #define RATE_IN_AM33XX		(1 << 8)
+#define RATE_IN_TI814X		(1 << 9)
 
 #define RATE_IN_24XX		(RATE_IN_242X | RATE_IN_243X)
 #define RATE_IN_34XX		(RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS)
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 5f7aa4981daf..6b51086fce18 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -134,6 +134,7 @@ IS_OMAP_SUBCLASS(446x, 0x446)
 IS_OMAP_SUBCLASS(447x, 0x447)
 
 IS_TI_SUBCLASS(816x, 0x816)
+IS_TI_SUBCLASS(814x, 0x814)
 IS_AM_SUBCLASS(335x, 0x335)
 
 #define cpu_is_omap7xx()		0
@@ -146,6 +147,7 @@ IS_AM_SUBCLASS(335x, 0x335)
 #define cpu_is_omap343x()		0
 #define cpu_is_ti81xx()			0
 #define cpu_is_ti816x()			0
+#define cpu_is_ti814x()			0
 #define cpu_is_am33xx()			0
 #define cpu_is_am335x()			0
 #define cpu_is_omap44xx()		0
@@ -356,6 +358,7 @@ IS_OMAP_TYPE(3517, 0x3517)
 # undef cpu_is_omap3517
 # undef cpu_is_ti81xx
 # undef cpu_is_ti816x
+# undef cpu_is_ti814x
 # undef cpu_is_am33xx
 # undef cpu_is_am335x
 # define cpu_is_omap3430()		is_omap3430()
@@ -376,6 +379,7 @@ IS_OMAP_TYPE(3517, 0x3517)
 # define cpu_is_omap3630()		is_omap363x()
 # define cpu_is_ti81xx()		is_ti81xx()
 # define cpu_is_ti816x()		is_ti816x()
+# define cpu_is_ti814x()		is_ti814x()
 # define cpu_is_am33xx()		is_am33xx()
 # define cpu_is_am335x()		is_am335x()
 #endif
@@ -426,6 +430,11 @@ IS_OMAP_TYPE(3517, 0x3517)
 #define TI8168_REV_ES1_0	TI816X_CLASS
 #define TI8168_REV_ES1_1	(TI816X_CLASS | (0x1 << 8))
 
+#define TI814X_CLASS		0x81400034
+#define TI8148_REV_ES1_0	TI814X_CLASS
+#define TI8148_REV_ES2_0	(TI814X_CLASS | (0x1 << 8))
+#define TI8148_REV_ES2_1	(TI814X_CLASS | (0x2 << 8))
+
 #define AM335X_CLASS		0x33500034
 #define AM335X_REV_ES1_0	AM335X_CLASS