diff options
Diffstat (limited to 'arch/arm/mach-omap1/id.c')
| -rw-r--r-- | arch/arm/mach-omap1/id.c | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/arch/arm/mach-omap1/id.c b/arch/arm/mach-omap1/id.c index 13083d7e692d..89bb8756f450 100644 --- a/arch/arm/mach-omap1/id.c +++ b/arch/arm/mach-omap1/id.c @@ -15,6 +15,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <mach/cpu.h> #define OMAP_DIE_ID_0 0xfffe1800 #define OMAP_DIE_ID_1 0xfffe1804 @@ -30,6 +31,8 @@ struct omap_id { u32 type; /* Cpu id bits [31:08], cpu class bits [07:00] */ }; +static unsigned int omap_revision; + /* Register values to detect the OMAP version */ static struct omap_id omap_ids[] __initdata = { { .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000}, @@ -53,6 +56,12 @@ static struct omap_id omap_ids[] __initdata = { { .jtag_id = 0xb5f7, .die_rev = 0x2, .omap_id = 0x03330100, .type = 0x17100000}, }; +unsigned int omap_rev(void) +{ + return omap_revision; +} +EXPORT_SYMBOL(omap_rev); + /* * Get OMAP type from PROD_ID. * 1710 has the PROD_ID in bits 15:00, not in 16:01 as documented in TRM. @@ -121,17 +130,18 @@ void __init omap_check_revision(void) omap_id = omap_readl(OMAP32_ID_0); #ifdef DEBUG - printk("OMAP_DIE_ID_0: 0x%08x\n", omap_readl(OMAP_DIE_ID_0)); - printk("OMAP_DIE_ID_1: 0x%08x DIE_REV: %i\n", + printk(KERN_DEBUG "OMAP_DIE_ID_0: 0x%08x\n", omap_readl(OMAP_DIE_ID_0)); + printk(KERN_DEBUG "OMAP_DIE_ID_1: 0x%08x DIE_REV: %i\n", omap_readl(OMAP_DIE_ID_1), (omap_readl(OMAP_DIE_ID_1) >> 17) & 0xf); - printk("OMAP_PRODUCTION_ID_0: 0x%08x\n", omap_readl(OMAP_PRODUCTION_ID_0)); - printk("OMAP_PRODUCTION_ID_1: 0x%08x JTAG_ID: 0x%04x\n", + printk(KERN_DEBUG "OMAP_PRODUCTION_ID_0: 0x%08x\n", + omap_readl(OMAP_PRODUCTION_ID_0)); + printk(KERN_DEBUG "OMAP_PRODUCTION_ID_1: 0x%08x JTAG_ID: 0x%04x\n", omap_readl(OMAP_PRODUCTION_ID_1), omap_readl(OMAP_PRODUCTION_ID_1) & 0xffff); - printk("OMAP32_ID_0: 0x%08x\n", omap_readl(OMAP32_ID_0)); - printk("OMAP32_ID_1: 0x%08x\n", omap_readl(OMAP32_ID_1)); - printk("JTAG_ID: 0x%04x DIE_REV: %i\n", jtag_id, die_rev); + printk(KERN_DEBUG "OMAP32_ID_0: 0x%08x\n", omap_readl(OMAP32_ID_0)); + printk(KERN_DEBUG "OMAP32_ID_1: 0x%08x\n", omap_readl(OMAP32_ID_1)); + printk(KERN_DEBUG "JTAG_ID: 0x%04x DIE_REV: %i\n", jtag_id, die_rev); #endif system_serial_high = omap_readl(OMAP_DIE_ID_0); @@ -140,7 +150,7 @@ void __init omap_check_revision(void) /* First check only the major version in a safe way */ for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { if (jtag_id == (omap_ids[i].jtag_id)) { - system_rev = omap_ids[i].type; + omap_revision = omap_ids[i].type; break; } } @@ -148,7 +158,7 @@ void __init omap_check_revision(void) /* Check if we can find the die revision */ for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { if (jtag_id == omap_ids[i].jtag_id && die_rev == omap_ids[i].die_rev) { - system_rev = omap_ids[i].type; + omap_revision = omap_ids[i].type; break; } } @@ -158,38 +168,35 @@ void __init omap_check_revision(void) if (jtag_id == omap_ids[i].jtag_id && die_rev == omap_ids[i].die_rev && omap_id == omap_ids[i].omap_id) { - system_rev = omap_ids[i].type; + omap_revision = omap_ids[i].type; break; } } /* Add the cpu class info (7xx, 15xx, 16xx, 24xx) */ - cpu_type = system_rev >> 24; + cpu_type = omap_revision >> 24; switch (cpu_type) { case 0x07: - system_rev |= 0x07; + omap_revision |= 0x07; break; case 0x03: case 0x15: - system_rev |= 0x15; + omap_revision |= 0x15; break; case 0x16: case 0x17: - system_rev |= 0x16; - break; - case 0x24: - system_rev |= 0x24; + omap_revision |= 0x16; break; default: - printk("Unknown OMAP cpu type: 0x%02x\n", cpu_type); + printk(KERN_INFO "Unknown OMAP cpu type: 0x%02x\n", cpu_type); } - printk("OMAP%04x", system_rev >> 16); - if ((system_rev >> 8) & 0xff) - printk("%x", (system_rev >> 8) & 0xff); - printk(" revision %i handled as %02xxx id: %08x%08x\n", - die_rev, system_rev & 0xff, system_serial_low, + printk(KERN_INFO "OMAP%04x", omap_revision >> 16); + if ((omap_revision >> 8) & 0xff) + printk(KERN_INFO "%x", (omap_revision >> 8) & 0xff); + printk(KERN_INFO " revision %i handled as %02xxx id: %08x%08x\n", + die_rev, omap_revision & 0xff, system_serial_low, system_serial_high); } |