diff options
author | Len Brown <len.brown@intel.com> | 2009-04-05 02:14:15 -0400 |
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committer | Len Brown <len.brown@intel.com> | 2009-04-05 02:14:15 -0400 |
commit | 478c6a43fcbc6c11609f8cee7c7b57223907754f (patch) | |
tree | a7f7952099da60d33032aed6de9c0c56c9f8779e /arch/arm/mach-mmp/include/mach/mfp.h | |
parent | 8a3f257c704e02aee9869decd069a806b45be3f1 (diff) | |
parent | 6bb597507f9839b13498781e481f5458aea33620 (diff) |
Merge branch 'linus' into release
Conflicts:
arch/x86/kernel/cpu/cpufreq/longhaul.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/arm/mach-mmp/include/mach/mfp.h')
-rw-r--r-- | arch/arm/mach-mmp/include/mach/mfp.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/include/mach/mfp.h b/arch/arm/mach-mmp/include/mach/mfp.h new file mode 100644 index 00000000000..277ea4cd0f9 --- /dev/null +++ b/arch/arm/mach-mmp/include/mach/mfp.h @@ -0,0 +1,37 @@ +#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 bit10 + * 3. Override MFP_CFG() and MFP_CFG_DRV() + * 4. Drop the use of MFP_CFG_LPM() and MFP_CFG_X() + */ + +#define MFP_DRIVE_VERY_SLOW (0x0 << 13) +#define MFP_DRIVE_SLOW (0x2 << 13) +#define MFP_DRIVE_MEDIUM (0x4 << 13) +#define MFP_DRIVE_FAST (0x8 << 13) + +#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 */ |