ARM: OMAP: ID: Chip detection for OMAP4470
Add support for detection of the next chip in the OMAP4 family: OMAP4470 ES1.0
For more details on OMAP4470, visit:
http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?templateId=6123&navigationId=12869&contentId=123362
Signed-off-by: Leonid Iziumtsev <x0153368@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 5bb4ee1..439afe7 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -371,7 +371,7 @@
* Few initial 4430 ES2.0 samples IDCODE is same as ES1.0
* Use ARM register to detect the correct ES version
*/
- if (!rev && (hawkeye != 0xb94e)) {
+ if (!rev && (hawkeye != 0xb94e) && (hawkeye != 0xb975)) {
idcode = read_cpuid(CPUID_ID);
rev = (idcode & 0xf) - 1;
}
@@ -408,6 +408,14 @@
break;
}
break;
+ case 0xb975:
+ switch (rev) {
+ case 0:
+ default:
+ omap_revision = OMAP4470_REV_ES1_0;
+ break;
+ }
+ break;
default:
/* Unknown default to latest silicon rev as default */
omap_revision = OMAP4430_REV_ES2_3;