Add support to identify the device as GP/EMU/HS.
Signed-off-by: R Sricharan r.sricharan@ti.com --- arch/arm/cpu/armv7/omap-common/hwinit-common.c | 6 +++++- arch/arm/include/asm/arch-omap4/omap.h | 4 ++++ arch/arm/include/asm/arch-omap5/omap.h | 4 ++++ 3 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c index ab46bff..10e7669 100644 --- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c +++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c @@ -217,7 +217,11 @@ int arch_cpu_init(void) */ u32 get_device_type(void) { - return 0; + struct omap_sys_ctrl_regs *ctrl = + (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; + + return (readl(&ctrl->control_status) & + (DEVICE_TYPE_MASK)) >> DEVICE_TYPE_SHIFT; }
/* diff --git a/arch/arm/include/asm/arch-omap4/omap.h b/arch/arm/include/asm/arch-omap4/omap.h index 5fd692f..3a39787 100644 --- a/arch/arm/include/asm/arch-omap4/omap.h +++ b/arch/arm/include/asm/arch-omap4/omap.h @@ -139,6 +139,10 @@ struct s32ktimer { unsigned int s32k_cr; /* 0x10 */ };
+#define DEVICE_TYPE_SHIFT (0x8) +#define DEVICE_TYPE_MASK (0x7 << DEVICE_TYPE_SHIFT) +#define DEVICE_GP 0x3 + struct omap_sys_ctrl_regs { unsigned int pad1[129]; unsigned int control_id_code; /* 0x4A002204 */ diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index 7e17c76..2725392 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -136,6 +136,10 @@ struct s32ktimer { unsigned int s32k_cr; /* 0x10 */ };
+#define DEVICE_TYPE_SHIFT 0x6 +#define DEVICE_TYPE_MASK (0x7 << DEVICE_TYPE_SHIFT) +#define DEVICE_GP 0x3 + struct omap_sys_ctrl_regs { u32 pad0[77]; /* 0x4A002000 */ u32 control_status; /* 0x4A002134 */