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Diffstat (limited to 'include/asm-arm/arch-pxa/mfp.h')
| -rw-r--r-- | include/asm-arm/arch-pxa/mfp.h | 576 |
1 files changed, 576 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/mfp.h b/include/asm-arm/arch-pxa/mfp.h new file mode 100644 index 00000000000..60291742ffd --- /dev/null +++ b/include/asm-arm/arch-pxa/mfp.h @@ -0,0 +1,576 @@ +/* + * linux/include/asm-arm/arch-pxa/mfp.h + * + * Multi-Function Pin Definitions + * + * Copyright (C) 2007 Marvell International Ltd. + * + * 2007-8-21: eric miao <eric.y.miao@gmail.com> + * initial version + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_MFP_H +#define __ASM_ARCH_MFP_H + +#define MFPR_BASE (0x40e10000) +#define MFPR_SIZE (PAGE_SIZE) + +#define mfp_to_gpio(m) ((m) % 128) + +/* list of all the configurable MFP pins */ +enum { + MFP_PIN_INVALID = -1, + + MFP_PIN_GPIO0 = 0, + MFP_PIN_GPIO1, + MFP_PIN_GPIO2, + MFP_PIN_GPIO3, + MFP_PIN_GPIO4, + MFP_PIN_GPIO5, + MFP_PIN_GPIO6, + MFP_PIN_GPIO7, + MFP_PIN_GPIO8, + MFP_PIN_GPIO9, + MFP_PIN_GPIO10, + MFP_PIN_GPIO11, + MFP_PIN_GPIO12, + MFP_PIN_GPIO13, + MFP_PIN_GPIO14, + MFP_PIN_GPIO15, + MFP_PIN_GPIO16, + MFP_PIN_GPIO17, + MFP_PIN_GPIO18, + MFP_PIN_GPIO19, + MFP_PIN_GPIO20, + MFP_PIN_GPIO21, + MFP_PIN_GPIO22, + MFP_PIN_GPIO23, + MFP_PIN_GPIO24, + MFP_PIN_GPIO25, + MFP_PIN_GPIO26, + MFP_PIN_GPIO27, + MFP_PIN_GPIO28, + MFP_PIN_GPIO29, + MFP_PIN_GPIO30, + MFP_PIN_GPIO31, + MFP_PIN_GPIO32, + MFP_PIN_GPIO33, + MFP_PIN_GPIO34, + MFP_PIN_GPIO35, + MFP_PIN_GPIO36, + MFP_PIN_GPIO37, + MFP_PIN_GPIO38, + MFP_PIN_GPIO39, + MFP_PIN_GPIO40, + MFP_PIN_GPIO41, + MFP_PIN_GPIO42, + MFP_PIN_GPIO43, + MFP_PIN_GPIO44, + MFP_PIN_GPIO45, + MFP_PIN_GPIO46, + MFP_PIN_GPIO47, + MFP_PIN_GPIO48, + MFP_PIN_GPIO49, + MFP_PIN_GPIO50, + MFP_PIN_GPIO51, + MFP_PIN_GPIO52, + MFP_PIN_GPIO53, + MFP_PIN_GPIO54, + MFP_PIN_GPIO55, + MFP_PIN_GPIO56, + MFP_PIN_GPIO57, + MFP_PIN_GPIO58, + MFP_PIN_GPIO59, + MFP_PIN_GPIO60, + MFP_PIN_GPIO61, + MFP_PIN_GPIO62, + MFP_PIN_GPIO63, + MFP_PIN_GPIO64, + MFP_PIN_GPIO65, + MFP_PIN_GPIO66, + MFP_PIN_GPIO67, + MFP_PIN_GPIO68, + MFP_PIN_GPIO69, + MFP_PIN_GPIO70, + MFP_PIN_GPIO71, + MFP_PIN_GPIO72, + MFP_PIN_GPIO73, + MFP_PIN_GPIO74, + MFP_PIN_GPIO75, + MFP_PIN_GPIO76, + MFP_PIN_GPIO77, + MFP_PIN_GPIO78, + MFP_PIN_GPIO79, + MFP_PIN_GPIO80, + MFP_PIN_GPIO81, + MFP_PIN_GPIO82, + MFP_PIN_GPIO83, + MFP_PIN_GPIO84, + MFP_PIN_GPIO85, + MFP_PIN_GPIO86, + MFP_PIN_GPIO87, + MFP_PIN_GPIO88, + MFP_PIN_GPIO89, + MFP_PIN_GPIO90, + MFP_PIN_GPIO91, + MFP_PIN_GPIO92, + MFP_PIN_GPIO93, + MFP_PIN_GPIO94, + MFP_PIN_GPIO95, + MFP_PIN_GPIO96, + MFP_PIN_GPIO97, + MFP_PIN_GPIO98, + MFP_PIN_GPIO99, + MFP_PIN_GPIO100, + MFP_PIN_GPIO101, + MFP_PIN_GPIO102, + MFP_PIN_GPIO103, + MFP_PIN_GPIO104, + MFP_PIN_GPIO105, + MFP_PIN_GPIO106, + MFP_PIN_GPIO107, + MFP_PIN_GPIO108, + MFP_PIN_GPIO109, + MFP_PIN_GPIO110, + MFP_PIN_GPIO111, + MFP_PIN_GPIO112, + MFP_PIN_GPIO113, + MFP_PIN_GPIO114, + MFP_PIN_GPIO115, + MFP_PIN_GPIO116, + MFP_PIN_GPIO117, + MFP_PIN_GPIO118, + MFP_PIN_GPIO119, + MFP_PIN_GPIO120, + MFP_PIN_GPIO121, + MFP_PIN_GPIO122, + MFP_PIN_GPIO123, + MFP_PIN_GPIO124, + MFP_PIN_GPIO125, + MFP_PIN_GPIO126, + MFP_PIN_GPIO127, + MFP_PIN_GPIO0_2, + MFP_PIN_GPIO1_2, + MFP_PIN_GPIO2_2, + MFP_PIN_GPIO3_2, + MFP_PIN_GPIO4_2, + MFP_PIN_GPIO5_2, + MFP_PIN_GPIO6_2, + MFP_PIN_GPIO7_2, + MFP_PIN_GPIO8_2, + MFP_PIN_GPIO9_2, + MFP_PIN_GPIO10_2, + MFP_PIN_GPIO11_2, + MFP_PIN_GPIO12_2, + MFP_PIN_GPIO13_2, + MFP_PIN_GPIO14_2, + MFP_PIN_GPIO15_2, + MFP_PIN_GPIO16_2, + MFP_PIN_GPIO17_2, + + MFP_PIN_ULPI_STP, + MFP_PIN_ULPI_NXT, + MFP_PIN_ULPI_DIR, + + MFP_PIN_nXCVREN, + MFP_PIN_DF_CLE_nOE, + MFP_PIN_DF_nADV1_ALE, + MFP_PIN_DF_SCLK_E, + MFP_PIN_DF_SCLK_S, + MFP_PIN_nBE0, + MFP_PIN_nBE1, + MFP_PIN_DF_nADV2_ALE, + MFP_PIN_DF_INT_RnB, + MFP_PIN_DF_nCS0, + MFP_PIN_DF_nCS1, + MFP_PIN_nLUA, + MFP_PIN_nLLA, + MFP_PIN_DF_nWE, + MFP_PIN_DF_ALE_nWE, + MFP_PIN_DF_nRE_nOE, + MFP_PIN_DF_ADDR0, + MFP_PIN_DF_ADDR1, + MFP_PIN_DF_ADDR2, + MFP_PIN_DF_ADDR3, + MFP_PIN_DF_IO0, + MFP_PIN_DF_IO1, + MFP_PIN_DF_IO2, + MFP_PIN_DF_IO3, + MFP_PIN_DF_IO4, + MFP_PIN_DF_IO5, + MFP_PIN_DF_IO6, + MFP_PIN_DF_IO7, + MFP_PIN_DF_IO8, + MFP_PIN_DF_IO9, + MFP_PIN_DF_IO10, + MFP_PIN_DF_IO11, + MFP_PIN_DF_IO12, + MFP_PIN_DF_IO13, + MFP_PIN_DF_IO14, + MFP_PIN_DF_IO15, + + MFP_PIN_MAX, +}; + +/* + * 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 14d) (bit 13d) + * + * 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 MFP_LPM_DRIVE_LOW 0x8 +#define MFP_LPM_DRIVE_HIGH 0x6 +#define MFP_LPM_PULL_HIGH 0x7 +#define MFP_LPM_PULL_LOW 0x9 +#define MFP_LPM_FLOAT 0x1 +#define MFP_LPM_PULL_NEITHER 0x0 + +/* + * The pullup and pulldown state of the MFP pin is by default determined by + * selected alternate function. In case some buggy devices need to override + * this default behavior, pxa3xx_mfp_set_pull() can be invoked with one of + * the following definition as the parameter. + * + * Definition pull_sel pullup_en pulldown_en + * MFP_PULL_HIGH 1 1 0 + * MFP_PULL_LOW 1 0 1 + * MFP_PULL_BOTH 1 1 1 + * MFP_PULL_NONE 1 0 0 + * MFP_PULL_DEFAULT 0 X X + * + * NOTE: pxa3xx_mfp_set_pull() will modify the PULLUP_EN and PULLDOWN_EN + * bits, which will cause potential conflicts with the low power mode + * setting, device drivers should take care of this + */ +#define MFP_PULL_BOTH (0x7u) +#define MFP_PULL_HIGH (0x6u) +#define MFP_PULL_LOW (0x5u) +#define MFP_PULL_NONE (0x4u) +#define MFP_PULL_DEFAULT (0x0u) + +#define MFP_AF0 (0) +#define MFP_AF1 (1) +#define MFP_AF2 (2) +#define MFP_AF3 (3) +#define MFP_AF4 (4) +#define MFP_AF5 (5) +#define MFP_AF6 (6) +#define MFP_AF7 (7) + +#define MFP_DS01X (0) +#define MFP_DS02X (1) +#define MFP_DS03X (2) +#define MFP_DS04X (3) +#define MFP_DS06X (4) +#define MFP_DS08X (5) +#define MFP_DS10X (6) +#define MFP_DS12X (7) + +#define MFP_EDGE_BOTH 0x3 +#define MFP_EDGE_RISE 0x2 +#define MFP_EDGE_FALL 0x1 +#define MFP_EDGE_NONE 0x0 + +#define MFPR_AF_MASK 0x0007 +#define MFPR_DRV_MASK 0x1c00 +#define MFPR_RDH_MASK 0x0200 +#define MFPR_LPM_MASK 0xe180 +#define MFPR_PULL_MASK 0xe000 +#define MFPR_EDGE_MASK 0x0070 + +#define MFPR_ALT_OFFSET 0 +#define MFPR_ERE_OFFSET 4 +#define MFPR_EFE_OFFSET 5 +#define MFPR_EC_OFFSET 6 +#define MFPR_SON_OFFSET 7 +#define MFPR_SD_OFFSET 8 +#define MFPR_SS_OFFSET 9 +#define MFPR_DRV_OFFSET 10 +#define MFPR_PD_OFFSET 13 +#define MFPR_PU_OFFSET 14 +#define MFPR_PS_OFFSET 15 + +#define MFPR(af, drv, rdh, lpm, edge) \ + (((af) & 0x7) | (((drv) & 0x7) << 10) |\ + (((rdh) & 0x1) << 9) |\ + (((lpm) & 0x3) << 7) |\ + (((lpm) & 0x4) << 12)|\ + (((lpm) & 0x8) << 10)|\ + ((!(edge)) << 6) |\ + (((edge) & 0x1) << 5) |\ + (((edge) & 0x2) << 3)) + +/* + * a possible MFP configuration is represented by a 32-bit integer + * bit 0..15 - MFPR value (16-bit) + * bit 16..31 - mfp pin index (used to obtain the MFPR offset) + * + * to facilitate the definition, the following macros are provided + * + * MFPR_DEFAULT - default MFPR value, with + * alternate function = 0, + * drive strength = fast 1mA (MFP_DS01X) + * low power mode = default + * release dalay hold = false (RDH bit) + * edge detection = none + * + * MFP_CFG - default MFPR value with alternate function + * MFP_CFG_DRV - default MFPR value with alternate function and + * pin drive strength + * MFP_CFG_LPM - default MFPR value with alternate function and + * low power mode + * MFP_CFG_X - default MFPR value with alternate function, + * pin drive strength and low power mode + * + * use + * + * MFP_CFG_PIN - to get the MFP pin index + * MFP_CFG_VAL - to get the corresponding MFPR value + */ + +typedef uint32_t mfp_cfg_t; + +#define MFP_CFG_PIN(mfp_cfg) (((mfp_cfg) >> 16) & 0xffff) +#define MFP_CFG_VAL(mfp_cfg) ((mfp_cfg) & 0xffff) + +#define MFPR_DEFAULT (0x0000) + +#define MFP_CFG(pin, af) \ + ((MFP_PIN_##pin << 16) | MFPR_DEFAULT | (MFP_##af)) + +#define MFP_CFG_DRV(pin, af, drv) \ + ((MFP_PIN_##pin << 16) | MFPR_DEFAULT |\ + ((MFP_##drv) << 10) | (MFP_##af)) + +#define MFP_CFG_LPM(pin, af, lpm) \ + ((MFP_PIN_##pin << 16) | MFPR_DEFAULT | (MFP_##af) |\ + (((MFP_LPM_##lpm) & 0x3) << 7) |\ + (((MFP_LPM_##lpm) & 0x4) << 12) |\ + (((MFP_LPM_##lpm) & 0x8) << 10)) + +#define MFP_CFG_X(pin, af, drv, lpm) \ + ((MFP_PIN_##pin << 16) | MFPR_DEFAULT |\ + ((MFP_##drv) << 10) | (MFP_##af) |\ + (((MFP_LPM_##lpm) & 0x3) << 7) |\ + (((MFP_LPM_##lpm) & 0x4) << 12) |\ + (((MFP_LPM_##lpm) & 0x8) << 10)) + +/* common MFP configurations - processor specific ones defined + * in mfp-pxa3xx.h + */ +#define GPIO0_GPIO MFP_CFG(GPIO0, AF0) +#define GPIO1_GPIO MFP_CFG(GPIO1, AF0) +#define GPIO2_GPIO MFP_CFG(GPIO2, AF0) +#define GPIO3_GPIO MFP_CFG(GPIO3, AF0) +#define GPIO4_GPIO MFP_CFG(GPIO4, AF0) +#define GPIO5_GPIO MFP_CFG(GPIO5, AF0) +#define GPIO6_GPIO MFP_CFG(GPIO6, AF0) +#define GPIO7_GPIO MFP_CFG(GPIO7, AF0) +#define GPIO8_GPIO MFP_CFG(GPIO8, AF0) +#define GPIO9_GPIO MFP_CFG(GPIO9, AF0) +#define GPIO10_GPIO MFP_CFG(GPIO10, AF0) +#define GPIO11_GPIO MFP_CFG(GPIO11, AF0) +#define GPIO12_GPIO MFP_CFG(GPIO12, AF0) +#define GPIO13_GPIO MFP_CFG(GPIO13, AF0) +#define GPIO14_GPIO MFP_CFG(GPIO14, AF0) +#define GPIO15_GPIO MFP_CFG(GPIO15, AF0) +#define GPIO16_GPIO MFP_CFG(GPIO16, AF0) +#define GPIO17_GPIO MFP_CFG(GPIO17, AF0) +#define GPIO18_GPIO MFP_CFG(GPIO18, AF0) +#define GPIO19_GPIO MFP_CFG(GPIO19, AF0) +#define GPIO20_GPIO MFP_CFG(GPIO20, AF0) +#define GPIO21_GPIO MFP_CFG(GPIO21, AF0) +#define GPIO22_GPIO MFP_CFG(GPIO22, AF0) +#define GPIO23_GPIO MFP_CFG(GPIO23, AF0) +#define GPIO24_GPIO MFP_CFG(GPIO24, AF0) +#define GPIO25_GPIO MFP_CFG(GPIO25, AF0) +#define GPIO26_GPIO MFP_CFG(GPIO26, AF0) +#define GPIO27_GPIO MFP_CFG(GPIO27, AF0) +#define GPIO28_GPIO MFP_CFG(GPIO28, AF0) +#define GPIO29_GPIO MFP_CFG(GPIO29, AF0) +#define GPIO30_GPIO MFP_CFG(GPIO30, AF0) +#define GPIO31_GPIO MFP_CFG(GPIO31, AF0) +#define GPIO32_GPIO MFP_CFG(GPIO32, AF0) +#define GPIO33_GPIO MFP_CFG(GPIO33, AF0) +#define GPIO34_GPIO MFP_CFG(GPIO34, AF0) +#define GPIO35_GPIO MFP_CFG(GPIO35, AF0) +#define GPIO36_GPIO MFP_CFG(GPIO36, AF0) +#define GPIO37_GPIO MFP_CFG(GPIO37, AF0) +#define GPIO38_GPIO MFP_CFG(GPIO38, AF0) +#define GPIO39_GPIO MFP_CFG(GPIO39, AF0) +#define GPIO40_GPIO MFP_CFG(GPIO40, AF0) +#define GPIO41_GPIO MFP_CFG(GPIO41, AF0) +#define GPIO42_GPIO MFP_CFG(GPIO42, AF0) +#define GPIO43_GPIO MFP_CFG(GPIO43, AF0) +#define GPIO44_GPIO MFP_CFG(GPIO44, AF0) +#define GPIO45_GPIO MFP_CFG(GPIO45, AF0) + +#define GPIO47_GPIO MFP_CFG(GPIO47, AF0) +#define GPIO48_GPIO MFP_CFG(GPIO48, AF0) + +#define GPIO53_GPIO MFP_CFG(GPIO53, AF0) +#define GPIO54_GPIO MFP_CFG(GPIO54, AF0) +#define GPIO55_GPIO MFP_CFG(GPIO55, AF0) + +#define GPIO57_GPIO MFP_CFG(GPIO57, AF0) + +#define GPIO63_GPIO MFP_CFG(GPIO63, AF0) +#define GPIO64_GPIO MFP_CFG(GPIO64, AF0) +#define GPIO65_GPIO MFP_CFG(GPIO65, AF0) +#define GPIO66_GPIO MFP_CFG(GPIO66, AF0) +#define GPIO67_GPIO MFP_CFG(GPIO67, AF0) +#define GPIO68_GPIO MFP_CFG(GPIO68, AF0) +#define GPIO69_GPIO MFP_CFG(GPIO69, AF0) +#define GPIO70_GPIO MFP_CFG(GPIO70, AF0) +#define GPIO71_GPIO MFP_CFG(GPIO71, AF0) +#define GPIO72_GPIO MFP_CFG(GPIO72, AF0) +#define GPIO73_GPIO MFP_CFG(GPIO73, AF0) +#define GPIO74_GPIO MFP_CFG(GPIO74, AF0) +#define GPIO75_GPIO MFP_CFG(GPIO75, AF0) +#define GPIO76_GPIO MFP_CFG(GPIO76, AF0) +#define GPIO77_GPIO MFP_CFG(GPIO77, AF0) +#define GPIO78_GPIO MFP_CFG(GPIO78, AF0) +#define GPIO79_GPIO MFP_CFG(GPIO79, AF0) +#define GPIO80_GPIO MFP_CFG(GPIO80, AF0) +#define GPIO81_GPIO MFP_CFG(GPIO81, AF0) +#define GPIO82_GPIO MFP_CFG(GPIO82, AF0) +#define GPIO83_GPIO MFP_CFG(GPIO83, AF0) +#define GPIO84_GPIO MFP_CFG(GPIO84, AF0) +#define GPIO85_GPIO MFP_CFG(GPIO85, AF0) +#define GPIO86_GPIO MFP_CFG(GPIO86, AF0) +#define GPIO87_GPIO MFP_CFG(GPIO87, AF0) +#define GPIO88_GPIO MFP_CFG(GPIO88, AF0) +#define GPIO89_GPIO MFP_CFG(GPIO89, AF0) +#define GPIO90_GPIO MFP_CFG(GPIO90, AF0) +#define GPIO91_GPIO MFP_CFG(GPIO91, AF0) +#define GPIO92_GPIO MFP_CFG(GPIO92, AF0) +#define GPIO93_GPIO MFP_CFG(GPIO93, AF0) +#define GPIO94_GPIO MFP_CFG(GPIO94, AF0) +#define GPIO95_GPIO MFP_CFG(GPIO95, AF0) +#define GPIO96_GPIO MFP_CFG(GPIO96, AF0) +#define GPIO97_GPIO MFP_CFG(GPIO97, AF0) +#define GPIO98_GPIO MFP_CFG(GPIO98, AF0) +#define GPIO99_GPIO MFP_CFG(GPIO99, AF0) +#define GPIO100_GPIO MFP_CFG(GPIO100, AF0) +#define GPIO101_GPIO MFP_CFG(GPIO101, AF0) +#define GPIO102_GPIO MFP_CFG(GPIO102, AF0) +#define GPIO103_GPIO MFP_CFG(GPIO103, AF0) +#define GPIO104_GPIO MFP_CFG(GPIO104, AF0) +#define GPIO105_GPIO MFP_CFG(GPIO105, AF0) +#define GPIO106_GPIO MFP_CFG(GPIO106, AF0) +#define GPIO107_GPIO MFP_CFG(GPIO107, AF0) +#define GPIO108_GPIO MFP_CFG(GPIO108, AF0) +#define GPIO109_GPIO MFP_CFG(GPIO109, AF0) +#define GPIO110_GPIO MFP_CFG(GPIO110, AF0) +#define GPIO111_GPIO MFP_CFG(GPIO111, AF0) +#define GPIO112_GPIO MFP_CFG(GPIO112, AF0) +#define GPIO113_GPIO MFP_CFG(GPIO113, AF0) +#define GPIO114_GPIO MFP_CFG(GPIO114, AF0) +#define GPIO115_GPIO MFP_CFG(GPIO115, AF0) +#define GPIO116_GPIO MFP_CFG(GPIO116, AF0) +#define GPIO117_GPIO MFP_CFG(GPIO117, AF0) +#define GPIO118_GPIO MFP_CFG(GPIO118, AF0) +#define GPIO119_GPIO MFP_CFG(GPIO119, AF0) +#define GPIO120_GPIO MFP_CFG(GPIO120, AF0) +#define GPIO121_GPIO MFP_CFG(GPIO121, AF0) +#define GPIO122_GPIO MFP_CFG(GPIO122, AF0) +#define GPIO123_GPIO MFP_CFG(GPIO123, AF0) +#define GPIO124_GPIO MFP_CFG(GPIO124, AF0) +#define GPIO125_GPIO MFP_CFG(GPIO125, AF0) +#define GPIO126_GPIO MFP_CFG(GPIO126, AF0) +#define GPIO127_GPIO MFP_CFG(GPIO127, AF0) + +#define GPIO0_2_GPIO MFP_CFG(GPIO0_2, AF0) +#define GPIO1_2_GPIO MFP_CFG(GPIO1_2, AF0) +#define GPIO2_2_GPIO MFP_CFG(GPIO2_2, AF0) +#define GPIO3_2_GPIO MFP_CFG(GPIO3_2, AF0) +#define GPIO4_2_GPIO MFP_CFG(GPIO4_2, AF0) +#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 } + +struct pxa3xx_mfp_pin { + unsigned long mfpr_off; /* MFPRxx register offset */ + unsigned long mfpr_val; /* MFPRxx register value */ +}; + +/* + * 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_set_afds - set MFP alternate function and drive strength + * pxa3xx_mfp_set_rdh - set MFP release delay hold on/off + * pxa3xx_mfp_set_lpm - set MFP low power mode state + * pxa3xx_mfp_set_edge - set MFP edge detection in low power mode + * + * use these functions to override/change the default configuration + * done by pxa3xx_mfp_set_config(s) + */ +void pxa3xx_mfp_set_afds(int mfp, int af, int ds); +void pxa3xx_mfp_set_rdh(int mfp, int rdh); +void pxa3xx_mfp_set_lpm(int mfp, int lpm); +void pxa3xx_mfp_set_edge(int mfp, int edge); + +/* + * pxa3xx_mfp_config - configure the MFPR registers + * + * used by board specific initialization code + */ +void pxa3xx_mfp_config(mfp_cfg_t *mfp_cfgs, int num); + +/* + * pxa3xx_mfp_init_addr() - initialize the mapping between mfp pin + * index and MFPR register offset + * + * used by processor specific code + */ +void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *); +void __init pxa3xx_init_mfp(void); + +#endif /* __ASM_ARCH_MFP_H */ |