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Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r--arch/arm/mach-omap2/id.c53
1 files changed, 44 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 2537090aa33..37efb869692 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -31,7 +31,7 @@
static struct omap_chip_id omap_chip;
static unsigned int omap_revision;
-u32 omap3_features;
+u32 omap_features;
unsigned int omap_rev(void)
{
@@ -183,14 +183,14 @@ static void __init omap24xx_check_revision(void)
#define OMAP3_CHECK_FEATURE(status,feat) \
if (((status & OMAP3_ ##feat## _MASK) \
>> OMAP3_ ##feat## _SHIFT) != FEAT_ ##feat## _NONE) { \
- omap3_features |= OMAP3_HAS_ ##feat; \
+ omap_features |= OMAP3_HAS_ ##feat; \
}
static void __init omap3_check_features(void)
{
u32 status;
- omap3_features = 0;
+ omap_features = 0;
status = omap_ctrl_readl(OMAP3_CONTROL_OMAP_STATUS);
@@ -200,11 +200,11 @@ static void __init omap3_check_features(void)
OMAP3_CHECK_FEATURE(status, NEON);
OMAP3_CHECK_FEATURE(status, ISP);
if (cpu_is_omap3630())
- omap3_features |= OMAP3_HAS_192MHZ_CLK;
+ omap_features |= OMAP3_HAS_192MHZ_CLK;
if (!cpu_is_omap3505() && !cpu_is_omap3517())
- omap3_features |= OMAP3_HAS_IO_WAKEUP;
+ omap_features |= OMAP3_HAS_IO_WAKEUP;
- omap3_features |= OMAP3_HAS_SDRC;
+ omap_features |= OMAP3_HAS_SDRC;
/*
* TODO: Get additional info (where applicable)
@@ -212,9 +212,34 @@ static void __init omap3_check_features(void)
*/
}
+static void __init omap4_check_features(void)
+{
+ u32 si_type;
+
+ if (cpu_is_omap443x())
+ omap_features |= OMAP4_HAS_MPU_1GHZ;
+
+
+ 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;
+ }
+ }
+}
+
static void __init ti816x_check_features(void)
{
- omap3_features = OMAP3_HAS_NEON;
+ omap_features = OMAP3_HAS_NEON;
}
static void __init omap3_check_revision(void)
@@ -344,10 +369,10 @@ static void __init omap4_check_revision(void)
rev = (idcode >> 28) & 0xf;
/*
- * Few initial ES2.0 samples IDCODE is same as ES1.0
+ * Few initial 4430 ES2.0 samples IDCODE is same as ES1.0
* Use ARM register to detect the correct ES version
*/
- if (!rev) {
+ if (!rev && (hawkeye != 0xb94e)) {
idcode = read_cpuid(CPUID_ID);
rev = (idcode & 0xf) - 1;
}
@@ -377,6 +402,15 @@ static void __init omap4_check_revision(void)
omap_chip.oc |= CHIP_IS_OMAP4430ES2_2;
}
break;
+ case 0xb94e:
+ switch (rev) {
+ case 0:
+ default:
+ omap_revision = OMAP4460_REV_ES1_0;
+ omap_chip.oc |= CHIP_IS_OMAP4460ES1_0;
+ break;
+ }
+ break;
default:
/* Unknown default to latest silicon rev as default */
omap_revision = OMAP4430_REV_ES2_2;
@@ -518,6 +552,7 @@ void __init omap2_check_revision(void)
return;
} else if (cpu_is_omap44xx()) {
omap4_check_revision();
+ omap4_check_features();
return;
} else {
pr_err("OMAP revision unknown, please fix!\n");