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Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r--arch/arm/mach-omap2/id.c32
1 files changed, 11 insertions, 21 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index cf2362ccb234..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)
@@ -559,11 +548,12 @@ void __init omap5xxx_check_revision(void)
* detect the exact revision later on in omap2_detect_revision() once map_io
* is done.
*/
-void __init omap2_set_globals_tap(struct omap_globals *omap2_globals)
+void __init omap2_set_globals_tap(u32 class, void __iomem *tap)
{
- omap_revision = omap2_globals->class;
- tap_base = omap2_globals->tap;
+ omap_revision = class;
+ tap_base = tap;
+ /* XXX What is this intended to do? */
if (cpu_is_omap34xx())
tap_prod_id = 0x0210;
else