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authorLauri Leukkunen <lauri.leukkunen@nokia.com>2008-12-10 17:36:31 -0800
committerTony Lindgren <tony@atomide.com>2008-12-10 17:36:31 -0800
commit84a34344ea1f2f313d84a9fb4cb685b65a6ec26d (patch)
treedb657e72e0be439f4d0baab660e2d46320f02374 /arch/arm/mach-omap2/id.c
parenta88231430384f49bebf8a6ec607a9eb4f2254e34 (diff)
downloadop-kernel-dev-84a34344ea1f2f313d84a9fb4cb685b65a6ec26d.zip
op-kernel-dev-84a34344ea1f2f313d84a9fb4cb685b65a6ec26d.tar.gz
ARM: OMAP2: Use omap_rev() instead of system_rev
system_rev is meant for board revision, this patch changes all relevant instances to use the new omap_rev() function liberating system_rev to be used with ATAG_REVISION as it has been designed. Signed-off-by: Lauri Leukkunen <lauri.leukkunen@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r--arch/arm/mach-omap2/id.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index d4e3a38..b0f8e7d 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())
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