Adding soc related info into /proc/cpuinfo

index 4ace45e..53a9645 100644
@@ -71,6 +71,8 @@ struct task_struct;
 extern unsigned int system_rev;
 extern unsigned int system_serial_low;
 extern unsigned int system_serial_high;
+#define SYSTEM_SOC_INFO_SIZE			128
+extern char system_soc_info[SYSTEM_SOC_INFO_SIZE];
 extern unsigned int mem_fclk_21285;
 
 struct pt_regs;

index c91c77b..025d795 100644
@@ -85,6 +85,9 @@ EXPORT_SYMBOL(system_serial_low);
 unsigned int system_serial_high;
 EXPORT_SYMBOL(system_serial_high);
 
+char system_soc_info[SYSTEM_SOC_INFO_SIZE];
+EXPORT_SYMBOL(system_soc_info);
+
 unsigned int elf_hwcap;
 EXPORT_SYMBOL(elf_hwcap);
 

@@ -847,6 +850,8 @@ static int c_show(struct seq_file *m, void *v)
 	seq_printf(m, "Revision\t: %04x\n", system_rev);
 	seq_printf(m, "Serial\t\t: %08x%08x\n",
 		   system_serial_high, system_serial_low);
+	if (strlen(system_soc_info))
+		seq_printf(m, "SoC Info\t: %s\n",  system_soc_info);
 
 	return 0;
 }

index 37b8a1a..4702ffe 100644
@@ -104,7 +104,7 @@ static u16 tap_prod_id;
 
 void __init omap24xx_check_revision(void)
 {
-	int i, j;
+	int i, j, sz;
 	u32 idcode, prod_id;
 	u16 hawkeye;
 	u8  dev_type, rev;

@@ -152,10 +152,12 @@ void __init omap24xx_check_revision(void)
 		j = i;
 	}
 
-	pr_info("OMAP%04x", omap_rev() >> 16);
+	sz = snprintf(system_soc_info, SYSTEM_SOC_INFO_SIZE, "OMAP%04x",
+							omap_rev() >> 16);
 	if ((omap_rev() >> 8) & 0x0f)
-		pr_info("ES%x", (omap_rev() >> 12) & 0xf);
-	pr_info("\n");
+		snprintf(system_soc_info + sz, SYSTEM_SOC_INFO_SIZE - sz,
+				"ES%x",	(omap_rev() >> 12) & 0xf);
+	pr_info("%s\n", system_soc_info);
 }
 
 #define OMAP3_CHECK_FEATURE(status,feat)				\

@@ -286,7 +288,9 @@ void __init omap4_check_revision(void)
 	if ((hawkeye == 0xb852) && (rev == 0x0)) {
 		omap_revision = OMAP4430_REV_ES1_0;
 		omap_chip.oc |= CHIP_IS_OMAP4430ES1;
-		pr_info("OMAP%04x %s\n", omap_rev() >> 16, rev_name);
+		snprintf(system_soc_info, SYSTEM_SOC_INFO_SIZE, "OMAP%04x %s\n",
+				omap_rev() >> 16, rev_name);
+		pr_info("%s\n", system_soc_info);
 		return;
 	}
 

@@ -356,7 +360,9 @@ void __init omap3_cpuinfo(void)
 	}
 
 	/* Print verbose information */
-	pr_info("%s ES%s (", cpu_name, cpu_rev);
+	snprintf(system_soc_info, SYSTEM_SOC_INFO_SIZE, "%s ES%s", cpu_name,
+			cpu_rev);
+	pr_info("%s (", system_soc_info);
 
 	OMAP3_SHOW_FEATURE(l2cache);
 	OMAP3_SHOW_FEATURE(iva);

index a0e3560..9a84347 100644
@@ -120,7 +120,7 @@ static u8 __init omap_get_die_rev(void)
 
 void __init omap_check_revision(void)
 {
-	int i;
+	int i, sz;
 	u16 jtag_id;
 	u8 die_rev;
 	u32 omap_id;

@@ -194,11 +194,14 @@ 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(system_soc_info, SYSTEM_SOC_INFO_SIZE, "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(system_soc_info + sz, SYSTEM_SOC_INFO_SIZE - sz,
+				"%x", (omap_revision >> 8) & 0xff);
+	pr_info("%s revision %i handled as %02xxx id: %08x%08x\n",
+		system_soc_info, die_rev, omap_revision & 0xff,
+		system_serial_low, system_serial_high);
+
 }
 

index 4702ffe..6fe554b 100644
@@ -76,6 +76,10 @@ EXPORT_SYMBOL(omap_type);
 /*----------------------------------------------------------------------------*/
 
 #define OMAP_TAP_IDCODE		0x0204
+#define OMAP_TAP_PROD_ID_0      0x0208
+#define OMAP_TAP_PROD_ID_1      0x020c
+#define OMAP_TAP_PROD_ID_2      0x0210
+#define OMAP_TAP_PROD_ID_3      0x0214
 #define OMAP_TAP_DIE_ID_0	0x0218
 #define OMAP_TAP_DIE_ID_1	0x021C
 #define OMAP_TAP_DIE_ID_2	0x0220

@@ -303,6 +307,7 @@ void __init omap4_check_revision(void)
 
 void __init omap3_cpuinfo(void)
 {
+	int sz;
 	u8 rev = GET_OMAP_REVISION();
 	char cpu_name[16], cpu_rev[16];
 

@@ -360,8 +365,8 @@ void __init omap3_cpuinfo(void)
 	}
 
 	/* Print verbose information */
-	snprintf(system_soc_info, SYSTEM_SOC_INFO_SIZE, "%s ES%s", cpu_name,
-			cpu_rev);
+	sz = snprintf(system_soc_info, SYSTEM_SOC_INFO_SIZE, "%s ES%s",
+			cpu_name, cpu_rev);
 	pr_info("%s (", system_soc_info);
 
 	OMAP3_SHOW_FEATURE(l2cache);

@@ -372,7 +377,35 @@ void __init omap3_cpuinfo(void)
 	OMAP3_SHOW_FEATURE(192mhz_clk);
 
 	printk(")\n");
+
+	/* Append OMAP3 IDCODE and Production ID to system_soc_info */
+	snprintf(system_soc_info + sz, SYSTEM_SOC_INFO_SIZE - sz,
+			"\n\tIDCODE\t: %08x\n\tPr. ID\t: %08x %08x %08x %08x",
+			read_tap_reg(OMAP_TAP_IDCODE),
+			read_tap_reg(OMAP_TAP_PROD_ID_0),
+			read_tap_reg(OMAP_TAP_PROD_ID_1),
+			read_tap_reg(OMAP_TAP_PROD_ID_2),
+			read_tap_reg(OMAP_TAP_PROD_ID_3));
+
+}
+
+#ifdef CONFIG_OMAP3_EXPORT_DIE_ID
+static int __init omap3_die_id_setup(char *s)
+{
+	int sz;
+
+	sz = strlen(system_soc_info);
+	snprintf(system_soc_info + sz, SYSTEM_SOC_INFO_SIZE - sz,
+			"\n\tDie ID\t: %08x %08x %08x %08x",
+			read_tap_reg(OMAP_TAP_DIE_ID_0),
+			read_tap_reg(OMAP_TAP_DIE_ID_1),
+			read_tap_reg(OMAP_TAP_DIE_ID_2),
+			read_tap_reg(OMAP_TAP_DIE_ID_3));
+
+	return 1;
 }
+__setup("omap3_die_id", omap3_die_id_setup);
+#endif
 
 /*
  * Try to detect the exact revision of the omap we're running on