[PATCH 11/14] omap4: Fix silicon version detection for early samples
From: nm@ti.com (Menon, Nishanth)
Date: 2010-09-17 10:18:25
Also in:
linux-omap
-----Original Message----- From: linux-omap-owner at vger.kernel.org [mailto:linux-omap- owner at vger.kernel.org] On Behalf Of Shilimkar, Santosh Sent: Friday, September 17, 2010 4:48 AM
[..]
quoted hunk ↗ jump to hunk
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index ae70ae9..0412233 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c@@ -308,6 +308,15 @@ static void __init omap4_check_revision(void) hawkeye = (idcode >> 12) & 0xffff; rev = (idcode >> 28) & 0xff; + /* + * Few initial ES2.0 samples IDCODE is same as ES1.0 + * Use ARM register to detect the correct ES version + */ + if (!rev) { + idcode = read_cpuid(CPUID_ID); + rev = (idcode & 0xf) - 1; + } +
Squash this to patch 10? Regards, Nishanth Menon