OMAP3630: Update ES1.1 silicon revision detection

Commit Message

manjugk manjugk April 28, 2010, 2:51 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 37b8a1a..dd26092 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -259,11 +259,20 @@  void __init omap3_check_revision(void)
 		omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
 		break;
 	case 0xb891:
-	/* FALLTHROUGH */
-	default:
-		/* Unknown default to latest silicon rev as default*/
-		omap_revision = OMAP3630_REV_ES1_0;
+		/* Handle 36xx devices */
 		omap_chip.oc |= CHIP_IS_OMAP3630ES1;
+
+		switch(rev) {
+		case 0: /* Take care of early samples */
+			omap_revision = OMAP3630_REV_ES1_0;
+			break;
+		case 1:
+		/* Fall through */
+		default:
+			/* Use the latest known revision as default */
+			omap_revision =  OMAP3630_REV_ES1_1;
+			omap_chip.oc |= CHIP_IS_OMAP3630ES1_1;
+		}
 	}
 }
 
@@ -339,6 +348,9 @@  void __init omap3_cpuinfo(void)
 	case OMAP_REVBITS_00:
 		strcpy(cpu_rev, "1.0");
 		break;
+	case OMAP_REVBITS_01:
+		strcpy(cpu_rev, "1.1");
+		break;
 	case OMAP_REVBITS_10:
 		strcpy(cpu_rev, "2.0");
 		break;
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 7514174..04c7baa 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -66,6 +66,7 @@  unsigned int omap_rev(void);
  * family. This difference can be handled separately.
  */
 #define OMAP_REVBITS_00		0x00
+#define OMAP_REVBITS_01		0x01
 #define OMAP_REVBITS_10		0x10
 #define OMAP_REVBITS_20		0x20
 #define OMAP_REVBITS_30		0x30
@@ -376,6 +377,7 @@  IS_OMAP_TYPE(3517, 0x3517)
 #define OMAP3430_REV_ES3_1_2	0x34305034
 
 #define OMAP3630_REV_ES1_0	0x36300034
+#define OMAP3630_REV_ES1_1	0x36300134
 
 #define OMAP35XX_CLASS		0x35000034
 #define OMAP3503_REV(v)		(OMAP35XX_CLASS | (0x3503 << 16) | (v << 8))
@@ -411,6 +413,7 @@  IS_OMAP_TYPE(3517, 0x3517)
 #define CHIP_IS_OMAP3430ES3_1		(1 << 6)
 #define CHIP_IS_OMAP3630ES1		(1 << 7)
 #define CHIP_IS_OMAP4430ES1		(1 << 8)
+#define CHIP_IS_OMAP3630ES1_1           (1 << 9)
 
 #define CHIP_IS_OMAP24XX		(CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)