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| author | Linus Walleij <linus.walleij@linaro.org> | 2011-12-15 11:41:09 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2011-12-19 00:35:06 +0100 |
| commit | d5608bbf81987375ced3802374b145e148140b33 (patch) | |
| tree | 6e30225c268a6907dbd4cd6b5ba1847a0bef841b /arch | |
| parent | 41c34ae49ec3e48b22591a83386dfd2bfdb45ff6 (diff) | |
| download | blackbird-op-linux-d5608bbf81987375ced3802374b145e148140b33.tar.gz blackbird-op-linux-d5608bbf81987375ced3802374b145e148140b33.zip | |
ARM: ux500: update ASIC detection for U5500
This adds a few CPU identification functions for the U5500 variants.
Contains portions of code written by Rabin Vincent.
Cc: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-ux500/include/mach/hardware.h | 10 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/include/mach/id.h | 24 |
2 files changed, 29 insertions, 5 deletions
diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h index 470ac52663d6..b6ba26a1367d 100644 --- a/arch/arm/mach-ux500/include/mach/hardware.h +++ b/arch/arm/mach-ux500/include/mach/hardware.h @@ -10,20 +10,21 @@ #ifndef __MACH_HARDWARE_H #define __MACH_HARDWARE_H -/* macros to get at IO space when running virtually +/* + * Macros to get at IO space when running virtually * We dont map all the peripherals, let ioremap do * this for us. We map only very basic peripherals here. */ #define U8500_IO_VIRTUAL 0xf0000000 #define U8500_IO_PHYSICAL 0xa0000000 -/* this macro is used in assembly, so no cast */ +/* This macro is used in assembly, so no cast */ #define IO_ADDRESS(x) \ (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + U8500_IO_VIRTUAL) /* typesafe io address */ #define __io_address(n) __io(IO_ADDRESS(n)) -/* used by some plat-nomadik code */ +/* Used by some plat-nomadik code */ #define io_p2v(n) __io_address(n) #include <mach/db8500-regs.h> @@ -36,6 +37,5 @@ extern void __iomem *_PRCMU_BASE; #define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) -#endif - +#endif /* __ASSEMBLY__ */ #endif /* __MACH_HARDWARE_H */ diff --git a/arch/arm/mach-ux500/include/mach/id.h b/arch/arm/mach-ux500/include/mach/id.h index 02b541a37ee5..833d6a6edc9b 100644 --- a/arch/arm/mach-ux500/include/mach/id.h +++ b/arch/arm/mach-ux500/include/mach/id.h @@ -47,6 +47,30 @@ static inline bool __attribute_const__ cpu_is_u5500(void) } /* + * 5500 revisions + */ + +static inline bool __attribute_const__ cpu_is_u5500v1(void) +{ + return cpu_is_u5500() && (dbx500_revision() & 0xf0) == 0xA0; +} + +static inline bool __attribute_const__ cpu_is_u5500v2(void) +{ + return (dbx500_id.revision & 0xf0) == 0xB0; +} + +static inline bool __attribute_const__ cpu_is_u5500v20(void) +{ + return cpu_is_u5500() && ((dbx500_revision() & 0xf0) == 0xB0); +} + +static inline bool __attribute_const__ cpu_is_u5500v21(void) +{ + return cpu_is_u5500() && (dbx500_revision() == 0xB1); +} + +/* * 8500 revisions */ |
