summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/clock34xx.c2
-rw-r--r--arch/arm/mach-omap2/id.c34
2 files changed, 22 insertions, 14 deletions
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index 3c2f665742f7..31bb7010bd48 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -475,7 +475,7 @@ int __init omap2_clk_init(void)
* Update this if there are further clock changes between ES2
* and production parts
*/
- if (system_rev == OMAP3430_REV_ES1_0) {
+ if (omap_rev() == OMAP3430_REV_ES1_0) {
/* No 3430ES1-only rates exist, so no RATE_IN_3430ES1 */
cpu_clkflg |= CLOCK_IN_OMAP3430ES1;
} else {
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index d4e3a38e347c..b0f8e7d62798 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -23,6 +23,14 @@
#include <mach/cpu.h>
static struct omap_chip_id omap_chip;
+static unsigned int omap_revision;
+
+
+unsigned int omap_rev(void)
+{
+ return omap_revision;
+}
+EXPORT_SYMBOL(omap_rev);
/**
* omap_chip_is - test whether currently running OMAP matches a chip type
@@ -50,7 +58,7 @@ EXPORT_SYMBOL(omap_chip_is);
struct omap_id {
u16 hawkeye; /* Silicon type (Hawkeye id) */
u8 dev; /* Device type from production_id reg */
- u32 type; /* Combined type id copied to system_rev */
+ u32 type; /* Combined type id copied to omap_revision */
};
/* Register values to detect the OMAP version */
@@ -116,9 +124,9 @@ void __init omap24xx_check_revision(void)
j = i;
}
- pr_info("OMAP%04x", system_rev >> 16);
- if ((system_rev >> 8) & 0x0f)
- pr_info("ES%x", (system_rev >> 12) & 0xf);
+ pr_info("OMAP%04x", omap_rev() >> 16);
+ if ((omap_rev() >> 8) & 0x0f)
+ pr_info("ES%x", (omap_rev() >> 12) & 0xf);
pr_info("\n");
}
@@ -136,7 +144,7 @@ void __init omap34xx_check_revision(void)
*/
cpuid = read_cpuid(CPUID_ID);
if ((((cpuid >> 4) & 0xfff) == 0xc08) && ((cpuid & 0xf) == 0x0)) {
- system_rev = OMAP3430_REV_ES1_0;
+ omap_revision = OMAP3430_REV_ES1_0;
goto out;
}
@@ -153,26 +161,26 @@ void __init omap34xx_check_revision(void)
if (hawkeye == 0xb7ae) {
switch (rev) {
case 0:
- system_rev = OMAP3430_REV_ES2_0;
+ omap_revision = OMAP3430_REV_ES2_0;
rev_name = "ES2.0";
break;
case 2:
- system_rev = OMAP3430_REV_ES2_1;
+ omap_revision = OMAP3430_REV_ES2_1;
rev_name = "ES2.1";
break;
case 3:
- system_rev = OMAP3430_REV_ES3_0;
+ omap_revision = OMAP3430_REV_ES3_0;
rev_name = "ES3.0";
break;
default:
/* Use the latest known revision as default */
- system_rev = OMAP3430_REV_ES3_0;
+ omap_revision = OMAP3430_REV_ES3_0;
rev_name = "Unknown revision\n";
}
}
out:
- pr_info("OMAP%04x %s\n", system_rev >> 16, rev_name);
+ pr_info("OMAP%04x %s\n", omap_rev() >> 16, rev_name);
}
/*
@@ -203,9 +211,9 @@ void __init omap2_check_revision(void)
omap_chip.oc |= CHIP_IS_OMAP2420;
} else if (cpu_is_omap343x()) {
omap_chip.oc = CHIP_IS_OMAP3430;
- if (system_rev == OMAP3430_REV_ES1_0)
+ if (omap_rev() == OMAP3430_REV_ES1_0)
omap_chip.oc |= CHIP_IS_OMAP3430ES1;
- else if (system_rev > OMAP3430_REV_ES1_0)
+ else if (omap_rev() > OMAP3430_REV_ES1_0)
omap_chip.oc |= CHIP_IS_OMAP3430ES2;
} else {
pr_err("Uninitialized omap_chip, please fix!\n");
@@ -221,7 +229,7 @@ void __init omap2_check_revision(void)
*/
void __init omap2_set_globals_tap(struct omap_globals *omap2_globals)
{
- system_rev = omap2_globals->class;
+ omap_revision = omap2_globals->class;
tap_base = omap2_globals->tap;
if (cpu_is_omap34xx())