Few initial omap4 es2 samples IDCODE is same as es1. This patch uses ARM cpuid register to detect the ES version for such samples
Signed-off-by: Santosh Shilimkar <[email protected]> --- arch/arm/mach-omap2/id.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) 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; + } + switch (hawkeye) { case 0xb852: switch (rev) { -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
