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authorArnd Bergmann <arnd@arndb.de>2012-11-15 20:33:08 +0400
committerArnd Bergmann <arnd@arndb.de>2012-11-15 20:33:08 +0400
commit5fd4d427eda327b783bf84c885fdde38ac726183 (patch)
tree8672d146865f541f0405121b01df0fdfb8457f4f /arch/arm/mach-omap2/id.c
parentcb64babf9ebe06984d87c08d241d05e2f6a7eb5b (diff)
parent42a1cc9c0ec2a00b53b4f02849dc4377b09b3b05 (diff)
downloadlinux-5fd4d427eda327b783bf84c885fdde38ac726183.tar.xz
Merge tag 'omap-for-v3.8/cleanup-fixes-part2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup
From Tony Lindgren <tony@atomide.com>: One build fix for recent clean up when CONFIG_PM is not set and clean up related improvment to the SoC detection. * tag 'omap-for-v3.8/cleanup-fixes-part2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP4: ID: Improve features detection and check ARM: OMAP: Fix compile for OMAP_PM_NOOP if PM is not selected Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r--arch/arm/mach-omap2/id.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index f1e121502789..45cc7ed4dd58 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -28,6 +28,9 @@
#include "soc.h"
#include "control.h"
+#define OMAP4_SILICON_TYPE_STANDARD 0x01
+#define OMAP4_SILICON_TYPE_PERFORMANCE 0x02
+
static unsigned int omap_revision;
static const char *cpu_rev;
u32 omap_features;
@@ -273,25 +276,11 @@ void __init omap4xxx_check_features(void)
{
u32 si_type;
- if (cpu_is_omap443x())
- omap_features |= OMAP4_HAS_MPU_1GHZ;
-
+ si_type =
+ (read_tap_reg(OMAP4_CTRL_MODULE_CORE_STD_FUSE_PROD_ID_1) >> 16) & 0x03;
- if (cpu_is_omap446x()) {
- si_type =
- read_tap_reg(OMAP4_CTRL_MODULE_CORE_STD_FUSE_PROD_ID_1);
- switch ((si_type & (3 << 16)) >> 16) {
- case 2:
- /* High performance device */
- omap_features |= OMAP4_HAS_MPU_1_5GHZ;
- break;
- case 1:
- default:
- /* Standard device */
- omap_features |= OMAP4_HAS_MPU_1_2GHZ;
- break;
- }
- }
+ if (si_type == OMAP4_SILICON_TYPE_PERFORMANCE)
+ omap_features = OMAP4_HAS_PERF_SILICON;
}
void __init ti81xx_check_features(void)