Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6
[sfrench/cifs-2.6.git] / arch / arm / mach-omap1 / id.c
index 13083d7e692d5b32bd3d36c5bedea570aace62df..89bb8756f4503309434ac4b723d42f8cd076bd9b 100644 (file)
@@ -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);
 }