From: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
Report OMAP name and rev under /proc/socinfo node.
Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
---
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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