In previous kernel there's IDCODE revision. But recently it was removed.
I hope it want to add this one to distinguish board revision.
Are there another way to combine Silicon revision with IDCODE one?
Any comments are welcome.
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index a2109c1..dd53ae2 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -168,10 +168,13 @@ void __init omap2_check_revision(void)
* system_rev & 0xffff0000 -> Omap type (2420/2422/2423/2430/3430)
* system_rev & 0x0000f000 -> Silicon revision (ES1, ES2 )
* system_rev & 0x00000700 -> Device Type ( EMU/HS/GP/BAD )
+ * system_rev & 0x000000c0 -> IDCODE revision[6:7]
* system_rev & 0x0000003f -> sys_boot[0:5]
*/
/* Embedding the ES revision info in type field */
system_rev = omap_ids[j].type;
+ /* Also add IDCODE revision info only two lower bits */
+ system_rev |= ((rev & 0x3) << 6);
/* Add in the device type and sys_boot fields (see above) */
if (cpu_is_omap24xx()) {
--
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