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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-20 18:03:56 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-20 18:03:56 -0800 |
commit | 6b5a12dbca7a8681ecb78dbebaedc1f8364ebd10 (patch) | |
tree | 497bc67a98e8bf5247dd453d05ab0dba4c31e424 /arch/arm/mach-mmp/cputype.h | |
parent | 5083c54264d21bf9b8a4766068f51581854d772c (diff) | |
parent | 2cb58c016673c4c8b8ec59e71c5ec4b2c6a76afb (diff) | |
download | op-kernel-dev-6b5a12dbca7a8681ecb78dbebaedc1f8364ebd10.zip op-kernel-dev-6b5a12dbca7a8681ecb78dbebaedc1f8364ebd10.tar.gz |
Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform code updates from Arnd Bergmann:
"This branch is the culmination of 5 years of effort to bring the ARMv6
and ARMv7 platforms together such that they can all be enabled and
boot the same kernel. It has been a tremendous amount of cleanup and
refactoring by a huge number of people, and creation of several new
(and major) subsystems to better abstract out all the platform details
in an appropriate manner.
The bulk of this branch is a large patchset from Arnd that brings
several of the more minor and older platforms we have closer to
multiplatform support. Among these are MMP, S3C64xx, Orion5x, mv78xx0
and realview Much of this is moving around header files from old mach
directories, but there are also some cleanup patches of debug_ll
(lowlevel debug per-platform options) and other parts.
Linus Walleij also has some patchs to clean up the older ARM Realview
platforms by finally introducing DT support, and Rob Herring has some
for ARM Versatile which is now DT-only. Both of these platforms are
now multiplatform.
Finally, a couple of patches from Russell for Dove PMU, and a fix from
Valentin Rothberg for Exynos ADC, which were rebased on top of the
series to avoid conflicts"
* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
ARM: realview: don't select SMP_ON_UP for UP builds
ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
ARM: s3c64xx: fix pm-debug compilation
iio: exynos-adc: fix irqf_oneshot.cocci warnings
ARM: realview: build realview-dt SMP support only when used
ARM: realview: select apropriate targets
ARM: realview: clean up header files
ARM: realview: make all header files local
ARM: no longer make CPU targets visible separately
ARM: integrator: use explicit core module options
ARM: realview: enable multiplatform
ARM: make default platform work for NOMMU
ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
ARM: defconfig: use correct debug_ll settings
ARM: versatile: convert to multi-platform
ARM: versatile: merge mach code into a single file
ARM: versatile: switch to DT only booting and remove legacy code
ARM: versatile: add DT based PCI detection
ARM: pxa: mark ezx structures as __maybe_unused
ARM: pxa: mark raumfeld init functions as __maybe_unused
...
Diffstat (limited to 'arch/arm/mach-mmp/cputype.h')
-rw-r--r-- | arch/arm/mach-mmp/cputype.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/cputype.h b/arch/arm/mach-mmp/cputype.h new file mode 100644 index 0000000..8a3b56d --- /dev/null +++ b/arch/arm/mach-mmp/cputype.h @@ -0,0 +1,55 @@ +#ifndef __ASM_MACH_CPUTYPE_H +#define __ASM_MACH_CPUTYPE_H + +#include <asm/cputype.h> + +/* + * CPU Stepping CPU_ID CHIP_ID + * + * PXA168 S0 0x56158400 0x0000C910 + * PXA168 A0 0x56158400 0x00A0A168 + * PXA910 Y1 0x56158400 0x00F2C920 + * PXA910 A0 0x56158400 0x00F2C910 + * PXA910 A1 0x56158400 0x00A0C910 + * PXA920 Y0 0x56158400 0x00F2C920 + * PXA920 A0 0x56158400 0x00A0C920 + * PXA920 A1 0x56158400 0x00A1C920 + * MMP2 Z0 0x560f5811 0x00F00410 + * MMP2 Z1 0x560f5811 0x00E00410 + * MMP2 A0 0x560f5811 0x00A0A610 + */ + +extern unsigned int mmp_chip_id; + +#ifdef CONFIG_CPU_PXA168 +static inline int cpu_is_pxa168(void) +{ + return (((read_cpuid_id() >> 8) & 0xff) == 0x84) && + ((mmp_chip_id & 0xfff) == 0x168); +} +#else +#define cpu_is_pxa168() (0) +#endif + +/* cpu_is_pxa910() is shared on both pxa910 and pxa920 */ +#ifdef CONFIG_CPU_PXA910 +static inline int cpu_is_pxa910(void) +{ + return (((read_cpuid_id() >> 8) & 0xff) == 0x84) && + (((mmp_chip_id & 0xfff) == 0x910) || + ((mmp_chip_id & 0xfff) == 0x920)); +} +#else +#define cpu_is_pxa910() (0) +#endif + +#ifdef CONFIG_CPU_MMP2 +static inline int cpu_is_mmp2(void) +{ + return (((read_cpuid_id() >> 8) & 0xff) == 0x58); +} +#else +#define cpu_is_mmp2() (0) +#endif + +#endif /* __ASM_MACH_CPUTYPE_H */ |