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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-10-19 22:06:36 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-19 22:06:36 +0100
commit809b4e00baf006a990a73329ba381d536c6fa277 (patch)
treee949e0efd019d6f932537aba762792b07a84351c /arch/arm/mach-mx3/cpu.c
parenta0a55682b83fd5f012afadcf415b030d7424ae68 (diff)
parent79a94c3538bda6869d7bb150b5e02dd3a72314dd (diff)
downloadlinux-809b4e00baf006a990a73329ba381d536c6fa277.tar.bz2
Merge branch 'devel-stable' into devel
Diffstat (limited to 'arch/arm/mach-mx3/cpu.c')
-rw-r--r--arch/arm/mach-mx3/cpu.c47
1 files changed, 37 insertions, 10 deletions
diff --git a/arch/arm/mach-mx3/cpu.c b/arch/arm/mach-mx3/cpu.c
index 861afe0fe3ad..d00a75457812 100644
--- a/arch/arm/mach-mx3/cpu.c
+++ b/arch/arm/mach-mx3/cpu.c
@@ -25,15 +25,15 @@ struct mx3_cpu_type {
};
static struct mx3_cpu_type mx31_cpu_type[] __initdata = {
- { .srev = 0x00, .name = "i.MX31(L)", .v = "1.0", .rev = CHIP_REV_1_0 },
- { .srev = 0x10, .name = "i.MX31", .v = "1.1", .rev = CHIP_REV_1_1 },
- { .srev = 0x11, .name = "i.MX31L", .v = "1.1", .rev = CHIP_REV_1_1 },
- { .srev = 0x12, .name = "i.MX31", .v = "1.15", .rev = CHIP_REV_1_1 },
- { .srev = 0x13, .name = "i.MX31L", .v = "1.15", .rev = CHIP_REV_1_1 },
- { .srev = 0x14, .name = "i.MX31", .v = "1.2", .rev = CHIP_REV_1_2 },
- { .srev = 0x15, .name = "i.MX31L", .v = "1.2", .rev = CHIP_REV_1_2 },
- { .srev = 0x28, .name = "i.MX31", .v = "2.0", .rev = CHIP_REV_2_0 },
- { .srev = 0x29, .name = "i.MX31L", .v = "2.0", .rev = CHIP_REV_2_0 },
+ { .srev = 0x00, .name = "i.MX31(L)", .v = "1.0", .rev = MX3x_CHIP_REV_1_0 },
+ { .srev = 0x10, .name = "i.MX31", .v = "1.1", .rev = MX3x_CHIP_REV_1_1 },
+ { .srev = 0x11, .name = "i.MX31L", .v = "1.1", .rev = MX3x_CHIP_REV_1_1 },
+ { .srev = 0x12, .name = "i.MX31", .v = "1.15", .rev = MX3x_CHIP_REV_1_1 },
+ { .srev = 0x13, .name = "i.MX31L", .v = "1.15", .rev = MX3x_CHIP_REV_1_1 },
+ { .srev = 0x14, .name = "i.MX31", .v = "1.2", .rev = MX3x_CHIP_REV_1_2 },
+ { .srev = 0x15, .name = "i.MX31L", .v = "1.2", .rev = MX3x_CHIP_REV_1_2 },
+ { .srev = 0x28, .name = "i.MX31", .v = "2.0", .rev = MX3x_CHIP_REV_2_0 },
+ { .srev = 0x29, .name = "i.MX31L", .v = "2.0", .rev = MX3x_CHIP_REV_2_0 },
};
void __init mx31_read_cpu_rev(void)
@@ -41,7 +41,7 @@ void __init mx31_read_cpu_rev(void)
u32 i, srev;
/* read SREV register from IIM module */
- srev = __raw_readl(IO_ADDRESS(IIM_BASE_ADDR + MXC_IIMSREV));
+ srev = __raw_readl(MX31_IO_ADDRESS(MX31_IIM_BASE_ADDR + MXC_IIMSREV));
for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)
if (srev == mx31_cpu_type[i].srev) {
@@ -55,3 +55,30 @@ void __init mx31_read_cpu_rev(void)
printk(KERN_WARNING "Unknown CPU identifier. srev = %02x\n", srev);
}
+
+unsigned int mx35_cpu_rev;
+EXPORT_SYMBOL(mx35_cpu_rev);
+
+void __init mx35_read_cpu_rev(void)
+{
+ u32 rev;
+ char *srev = "unknown";
+
+ rev = __raw_readl(MX35_IO_ADDRESS(MX35_IIM_BASE_ADDR + MXC_IIMSREV));
+ switch (rev) {
+ case 0x00:
+ mx35_cpu_rev = MX3x_CHIP_REV_1_0;
+ srev = "1.0";
+ break;
+ case 0x10:
+ mx35_cpu_rev = MX3x_CHIP_REV_2_0;
+ srev = "2.0";
+ break;
+ case 0x11:
+ mx35_cpu_rev = MX3x_CHIP_REV_2_1;
+ srev = "2.1";
+ break;
+ }
+
+ printk(KERN_INFO "CPU identified as i.MX35, silicon rev %s\n", srev);
+}