diff options
| -rw-r--r-- | arch/arm/mach-omap2/id.c | 37 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/io.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/soc.h | 5 |
3 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 157412e4273a..71bf2164130f 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -628,6 +628,41 @@ void __init omap5xxx_check_revision(void) pr_info("%s %s\n", soc_name, soc_rev); } +void __init dra7xxx_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 0xb990: + switch (rev) { + case 0: + omap_revision = DRA752_REV_ES1_0; + break; + case 1: + default: + omap_revision = DRA752_REV_ES1_1; + } + break; + + default: + /* Unknown default to latest silicon rev as default*/ + pr_warn("%s: unknown idcode=0x%08x (hawkeye=0x%08x,rev=0x%d)\n", + __func__, idcode, hawkeye, rev); + omap_revision = DRA752_REV_ES1_1; + } + + sprintf(soc_name, "DRA%03x", omap_rev() >> 16); + sprintf(soc_rev, "ES%d.%d", (omap_rev() >> 12) & 0xf, + (omap_rev() >> 8) & 0xf); + + pr_info("%s %s\n", soc_name, soc_rev); +} + /* * Set up things for map_io and processor detection later on. Gets called * pretty much first thing from board init. For multi-omap, this gets @@ -669,6 +704,8 @@ static const char * __init omap_get_family(void) return kasprintf(GFP_KERNEL, "OMAP5"); else if (soc_is_am43xx()) return kasprintf(GFP_KERNEL, "AM43xx"); + else if (soc_is_dra7xx()) + return kasprintf(GFP_KERNEL, "DRA7"); else return kasprintf(GFP_KERNEL, "Unknown"); } diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index f14f9ac2dca1..4ec3b4a93843 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -693,6 +693,7 @@ void __init dra7xx_init_early(void) omap_prm_base_init(); omap_cm_base_init(); omap44xx_prm_init(); + dra7xxx_check_revision(); dra7xx_powerdomains_init(); dra7xx_clockdomains_init(); dra7xx_hwmod_init(); diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index 30abcc8b20e0..de2a34c423a7 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -459,10 +459,15 @@ IS_OMAP_TYPE(3430, 0x3430) #define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8)) #define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8)) +#define DRA7XX_CLASS 0x07000000 +#define DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8)) +#define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8)) + void omap2xxx_check_revision(void); void omap3xxx_check_revision(void); void omap4xxx_check_revision(void); void omap5xxx_check_revision(void); +void dra7xxx_check_revision(void); void omap3xxx_check_features(void); void ti81xx_check_features(void); void am33xx_check_features(void); |