arch/arm/mach-mmp/include/mach/mfp.h

   1 #ifndef __ASM_MACH_MFP_H
   2 #define __ASM_MACH_MFP_H
   3
   4 #include <plat/mfp.h>
   5
   6 /*
   7  * NOTE: the MFPR register bit definitions on PXA168 processor lines are a
   8  * bit different from those on PXA3xx.  Bit [7:10] are now reserved, which
   9  * were SLEEP_OE_N, SLEEP_DATA, SLEEP_SEL and the LSB of DRIVE bits.
  10  *
  11  * To cope with this difference and re-use the pxa3xx mfp code as much as
  12  * possible, we make the following compromise:
  13  *
  14  * 1. SLEEP_OE_N will always be programmed to '1' (by MFP_LPM_FLOAT)
  15  * 2. DRIVE strength definitions redefined to include the reserved bit10
  16  * 3. Override MFP_CFG() and MFP_CFG_DRV()
  17  * 4. Drop the use of MFP_CFG_LPM() and MFP_CFG_X()
  18  */
  19
  20 #define MFP_DRIVE_VERY_SLOW     (0x0 << 13)
  21 #define MFP_DRIVE_SLOW          (0x2 << 13)
  22 #define MFP_DRIVE_MEDIUM        (0x4 << 13)
  23 #define MFP_DRIVE_FAST          (0x8 << 13)
  24
  25 #undef MFP_CFG
  26 #undef MFP_CFG_DRV
  27 #undef MFP_CFG_LPM
  28 #undef MFP_CFG_X
  29 #undef MFP_CFG_DEFAULT
  30
  31 #define MFP_CFG(pin, af)                \
  32         (MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_MEDIUM)
  33
  34 #define MFP_CFG_DRV(pin, af, drv)       \
  35         (MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_##drv)
  36
  37 #endif /* __ASM_MACH_MFP_H */