From: Eduardo Valentin <[email protected]>

Report OMAP name and rev under /proc/socinfo node.

Signed-off-by: Eduardo Valentin <[email protected]>
---
 arch/arm/mach-omap1/id.c |   45 +++++++++++++++++++++++++++++++++++++++------
 1 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-omap1/id.c b/arch/arm/mach-omap1/id.c
index a0e3560..917892b 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 <linux/seq_file.h>
 #include <plat/cpu.h>
 
 #define OMAP_DIE_ID_0          0xfffe1800
@@ -118,9 +119,12 @@ static u8 __init omap_get_die_rev(void)
        return die_rev;
 }
 
+#define SOCINFO_SZ             128
+static char socinfo[SOCINFO_SZ];
+
 void __init omap_check_revision(void)
 {
-       int i;
+       int i, sz;
        u16 jtag_id;
        u8 die_rev;
        u32 omap_id;
@@ -194,11 +198,40 @@ void __init omap_check_revision(void)
                printk(KERN_INFO "Unknown OMAP cpu type: 0x%02x\n", cpu_type);
        }
 
-       printk(KERN_INFO "OMAP%04x", omap_revision >> 16);
+       sz = snprintf(socinfo, SOCINFO_SZ, "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);
+               snprintf(socinfo + sz, SOCINFO_SZ - sz, "%x",
+                                               (omap_revision >> 8) & 0xff);
+       pr_info("%s revision %i handled as %02xxx id: %08x%08x\n",
+               socinfo, die_rev, omap_revision & 0xff, system_serial_low,
+               system_serial_high);
+}
+
+static int c_show(struct seq_file *m, void *v)
+{
+       seq_printf(m, "SoC\t: %s\n", socinfo);
+
+       return 0;
+}
+
+static void *c_start(struct seq_file *m, loff_t *pos)
+{
+       return *pos < 1 ? (void *)1 : NULL;
 }
 
+static void *c_next(struct seq_file *m, void *v, loff_t *pos)
+{
+       ++*pos;
+       return NULL;
+}
+
+static void c_stop(struct seq_file *m, void *v)
+{
+}
+
+const struct seq_operations socinfo_op = {
+       .start  = c_start,
+       .next   = c_next,
+       .stop   = c_stop,
+       .show   = c_show
+};
-- 
1.7.0.4.361.g8b5fe.dirty

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