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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-19 22:06:36 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-19 22:06:36 +0100 |
commit | 809b4e00baf006a990a73329ba381d536c6fa277 (patch) | |
tree | e949e0efd019d6f932537aba762792b07a84351c /arch/arm/mach-mx3/cpu.c | |
parent | a0a55682b83fd5f012afadcf415b030d7424ae68 (diff) | |
parent | 79a94c3538bda6869d7bb150b5e02dd3a72314dd (diff) | |
download | linux-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.c | 47 |
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); +} |