diff options
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h | 130 |
1 files changed, 18 insertions, 112 deletions
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h index 1f6b35c015d0..d375195d982b 100644 --- a/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h +++ b/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h @@ -1,68 +1,9 @@ #ifndef __ASM_ARCH_MFP_PXA3XX_H #define __ASM_ARCH_MFP_PXA3XX_H -#define MFPR_BASE (0x40e10000) -#define MFPR_SIZE (PAGE_SIZE) - -/* MFPR register bit definitions */ -#define MFPR_PULL_SEL (0x1 << 15) -#define MFPR_PULLUP_EN (0x1 << 14) -#define MFPR_PULLDOWN_EN (0x1 << 13) -#define MFPR_SLEEP_SEL (0x1 << 9) -#define MFPR_SLEEP_OE_N (0x1 << 7) -#define MFPR_EDGE_CLEAR (0x1 << 6) -#define MFPR_EDGE_FALL_EN (0x1 << 5) -#define MFPR_EDGE_RISE_EN (0x1 << 4) - -#define MFPR_SLEEP_DATA(x) ((x) << 8) -#define MFPR_DRIVE(x) (((x) & 0x7) << 10) -#define MFPR_AF_SEL(x) (((x) & 0x7) << 0) +#include <plat/mfp.h> -#define MFPR_EDGE_NONE (0) -#define MFPR_EDGE_RISE (MFPR_EDGE_RISE_EN) -#define MFPR_EDGE_FALL (MFPR_EDGE_FALL_EN) -#define MFPR_EDGE_BOTH (MFPR_EDGE_RISE | MFPR_EDGE_FALL) - -/* - * Table that determines the low power modes outputs, with actual settings - * used in parentheses for don't-care values. Except for the float output, - * the configured driven and pulled levels match, so if there is a need for - * non-LPM pulled output, the same configuration could probably be used. - * - * Output value sleep_oe_n sleep_data pullup_en pulldown_en pull_sel - * (bit 7) (bit 8) (bit 14) (bit 13) (bit 15) - * - * Input 0 X(0) X(0) X(0) 0 - * Drive 0 0 0 0 X(1) 0 - * Drive 1 0 1 X(1) 0 0 - * Pull hi (1) 1 X(1) 1 0 0 - * Pull lo (0) 1 X(0) 0 1 0 - * Z (float) 1 X(0) 0 0 0 - */ -#define MFPR_LPM_INPUT (0) -#define MFPR_LPM_DRIVE_LOW (MFPR_SLEEP_DATA(0) | MFPR_PULLDOWN_EN) -#define MFPR_LPM_DRIVE_HIGH (MFPR_SLEEP_DATA(1) | MFPR_PULLUP_EN) -#define MFPR_LPM_PULL_LOW (MFPR_LPM_DRIVE_LOW | MFPR_SLEEP_OE_N) -#define MFPR_LPM_PULL_HIGH (MFPR_LPM_DRIVE_HIGH | MFPR_SLEEP_OE_N) -#define MFPR_LPM_FLOAT (MFPR_SLEEP_OE_N) -#define MFPR_LPM_MASK (0xe080) - -/* - * The pullup and pulldown state of the MFP pin at run mode is by default - * determined by the selected alternate function. In case that some buggy - * devices need to override this default behavior, the definitions below - * indicates the setting of corresponding MFPR bits - * - * Definition pull_sel pullup_en pulldown_en - * MFPR_PULL_NONE 0 0 0 - * MFPR_PULL_LOW 1 0 1 - * MFPR_PULL_HIGH 1 1 0 - * MFPR_PULL_BOTH 1 1 1 - */ -#define MFPR_PULL_NONE (0) -#define MFPR_PULL_LOW (MFPR_PULL_SEL | MFPR_PULLDOWN_EN) -#define MFPR_PULL_BOTH (MFPR_PULL_LOW | MFPR_PULLUP_EN) -#define MFPR_PULL_HIGH (MFPR_PULL_SEL | MFPR_PULLUP_EN) +#define MFPR_BASE (0x40e10000) /* PXA3xx common MFP configurations - processor specific ones defined * in mfp-pxa300.h and mfp-pxa320.h @@ -197,56 +138,21 @@ #define GPIO5_2_GPIO MFP_CFG(GPIO5_2, AF0) #define GPIO6_2_GPIO MFP_CFG(GPIO6_2, AF0) -/* - * each MFP pin will have a MFPR register, since the offset of the - * register varies between processors, the processor specific code - * should initialize the pin offsets by pxa3xx_mfp_init_addr() - * - * pxa3xx_mfp_init_addr - accepts a table of "pxa3xx_mfp_addr_map" - * structure, which represents a range of MFP pins from "start" to - * "end", with the offset begining at "offset", to define a single - * pin, let "end" = -1 - * - * use - * - * MFP_ADDR_X() to define a range of pins - * MFP_ADDR() to define a single pin - * MFP_ADDR_END to signal the end of pin offset definitions - */ -struct pxa3xx_mfp_addr_map { - unsigned int start; - unsigned int end; - unsigned long offset; -}; - -#define MFP_ADDR_X(start, end, offset) \ - { MFP_PIN_##start, MFP_PIN_##end, offset } - -#define MFP_ADDR(pin, offset) \ - { MFP_PIN_##pin, -1, offset } - -#define MFP_ADDR_END { MFP_PIN_INVALID, 0 } - -/* - * pxa3xx_mfp_read()/pxa3xx_mfp_write() - for direct read/write access - * to the MFPR register - */ -unsigned long pxa3xx_mfp_read(int mfp); -void pxa3xx_mfp_write(int mfp, unsigned long mfpr_val); - -/* - * pxa3xx_mfp_config - configure the MFPR registers - * - * used by board specific initialization code - */ -void pxa3xx_mfp_config(unsigned long *mfp_cfgs, int num); - -/* - * pxa3xx_mfp_init_addr() - initialize the mapping between mfp pin - * index and MFPR register offset - * - * used by processor specific code +/* NOTE: usage of these two functions is not recommended, + * use pxa3xx_mfp_config() instead. */ -void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *); -void __init pxa3xx_init_mfp(void); +static inline unsigned long pxa3xx_mfp_read(int mfp) +{ + return mfp_read(mfp); +} + +static inline void pxa3xx_mfp_write(int mfp, unsigned long val) +{ + mfp_write(mfp, val); +} + +static inline void pxa3xx_mfp_config(unsigned long *mfp_cfg, int num) +{ + mfp_config(mfp_cfg, num); +} #endif /* __ASM_ARCH_MFP_PXA3XX_H */ |