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author | Arnd Bergmann <arnd@arndb.de> | 2014-04-15 20:38:32 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2015-12-01 21:44:30 +0100 |
commit | b501fd7b1c0f10d3967d3abbd6c9d091b3384999 (patch) | |
tree | 105508f3767a356ef517360fd0e58eb9d34a1e6f /arch/arm/mach-mmp/mfp.h | |
parent | 8bf42cc8888f1475728104d386fc9306b8ef7e3e (diff) | |
download | linux-b501fd7b1c0f10d3967d3abbd6c9d091b3384999.tar.bz2 |
ARM: mmp: make all header files local
The mach/*.h headers are now inaccessible to any external code,
so we can move them all into the mach-mmp directory itself
and remove the subdirectories.
A few headers are not used at all, so we remove them here.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-mmp/mfp.h')
-rw-r--r-- | arch/arm/mach-mmp/mfp.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/mfp.h b/arch/arm/mach-mmp/mfp.h new file mode 100644 index 000000000000..62e510e80a58 --- /dev/null +++ b/arch/arm/mach-mmp/mfp.h @@ -0,0 +1,34 @@ +#ifndef __ASM_MACH_MFP_H +#define __ASM_MACH_MFP_H + +#include <plat/mfp.h> + +/* + * NOTE: the MFPR register bit definitions on PXA168 processor lines are a + * bit different from those on PXA3xx. Bit [7:10] are now reserved, which + * were SLEEP_OE_N, SLEEP_DATA, SLEEP_SEL and the LSB of DRIVE bits. + * + * To cope with this difference and re-use the pxa3xx mfp code as much as + * possible, we make the following compromise: + * + * 1. SLEEP_OE_N will always be programmed to '1' (by MFP_LPM_FLOAT) + * 2. DRIVE strength definitions redefined to include the reserved bit + * - the reserved bit differs between pxa168 and pxa910, and the + * MFP_DRIVE_* macros are individually defined in mfp-pxa{168,910}.h + * 3. Override MFP_CFG() and MFP_CFG_DRV() + * 4. Drop the use of MFP_CFG_LPM() and MFP_CFG_X() + */ + +#undef MFP_CFG +#undef MFP_CFG_DRV +#undef MFP_CFG_LPM +#undef MFP_CFG_X +#undef MFP_CFG_DEFAULT + +#define MFP_CFG(pin, af) \ + (MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_MEDIUM) + +#define MFP_CFG_DRV(pin, af, drv) \ + (MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_##drv) + +#endif /* __ASM_MACH_MFP_H */ |