469 lines
10 KiB
C
469 lines
10 KiB
C
/*
|
|
* arch/arm/plat-pxa/include/plat/mfp.h
|
|
*
|
|
* Common Multi-Function Pin Definitions
|
|
*
|
|
* Copyright (C) 2007 Marvell International Ltd.
|
|
*
|
|
* 2007-8-21: eric miao <eric.miao@marvell.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_PLAT_MFP_H
|
|
#define __ASM_PLAT_MFP_H
|
|
|
|
#define mfp_to_gpio(m) ((m) % 256)
|
|
|
|
/* 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_GPIO128,
|
|
MFP_PIN_GPIO129,
|
|
MFP_PIN_GPIO130,
|
|
MFP_PIN_GPIO131,
|
|
MFP_PIN_GPIO132,
|
|
MFP_PIN_GPIO133,
|
|
MFP_PIN_GPIO134,
|
|
MFP_PIN_GPIO135,
|
|
MFP_PIN_GPIO136,
|
|
MFP_PIN_GPIO137,
|
|
MFP_PIN_GPIO138,
|
|
MFP_PIN_GPIO139,
|
|
MFP_PIN_GPIO140,
|
|
MFP_PIN_GPIO141,
|
|
MFP_PIN_GPIO142,
|
|
MFP_PIN_GPIO143,
|
|
MFP_PIN_GPIO144,
|
|
MFP_PIN_GPIO145,
|
|
MFP_PIN_GPIO146,
|
|
MFP_PIN_GPIO147,
|
|
MFP_PIN_GPIO148,
|
|
MFP_PIN_GPIO149,
|
|
MFP_PIN_GPIO150,
|
|
MFP_PIN_GPIO151,
|
|
MFP_PIN_GPIO152,
|
|
MFP_PIN_GPIO153,
|
|
MFP_PIN_GPIO154,
|
|
MFP_PIN_GPIO155,
|
|
MFP_PIN_GPIO156,
|
|
MFP_PIN_GPIO157,
|
|
MFP_PIN_GPIO158,
|
|
MFP_PIN_GPIO159,
|
|
MFP_PIN_GPIO160,
|
|
MFP_PIN_GPIO161,
|
|
MFP_PIN_GPIO162,
|
|
MFP_PIN_GPIO163,
|
|
MFP_PIN_GPIO164,
|
|
MFP_PIN_GPIO165,
|
|
MFP_PIN_GPIO166,
|
|
MFP_PIN_GPIO167,
|
|
MFP_PIN_GPIO168,
|
|
MFP_PIN_GPIO169,
|
|
MFP_PIN_GPIO170,
|
|
MFP_PIN_GPIO171,
|
|
MFP_PIN_GPIO172,
|
|
MFP_PIN_GPIO173,
|
|
MFP_PIN_GPIO174,
|
|
MFP_PIN_GPIO175,
|
|
MFP_PIN_GPIO176,
|
|
MFP_PIN_GPIO177,
|
|
MFP_PIN_GPIO178,
|
|
MFP_PIN_GPIO179,
|
|
MFP_PIN_GPIO180,
|
|
MFP_PIN_GPIO181,
|
|
MFP_PIN_GPIO182,
|
|
MFP_PIN_GPIO183,
|
|
MFP_PIN_GPIO184,
|
|
MFP_PIN_GPIO185,
|
|
MFP_PIN_GPIO186,
|
|
MFP_PIN_GPIO187,
|
|
MFP_PIN_GPIO188,
|
|
MFP_PIN_GPIO189,
|
|
MFP_PIN_GPIO190,
|
|
MFP_PIN_GPIO191,
|
|
|
|
MFP_PIN_GPIO255 = 255,
|
|
|
|
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_DF_nCS0_SM_nCS2,
|
|
MFP_PIN_DF_nCS1_SM_nCS3,
|
|
MFP_PIN_SM_nCS0,
|
|
MFP_PIN_SM_nCS1,
|
|
MFP_PIN_DF_WEn,
|
|
MFP_PIN_DF_REn,
|
|
MFP_PIN_DF_CLE_SM_OEn,
|
|
MFP_PIN_DF_ALE_SM_WEn,
|
|
MFP_PIN_DF_RDY0,
|
|
MFP_PIN_DF_RDY1,
|
|
|
|
MFP_PIN_SM_SCLK,
|
|
MFP_PIN_SM_BE0,
|
|
MFP_PIN_SM_BE1,
|
|
MFP_PIN_SM_ADV,
|
|
MFP_PIN_SM_ADVMUX,
|
|
MFP_PIN_SM_RDY,
|
|
|
|
MFP_PIN_MMC1_DAT7,
|
|
MFP_PIN_MMC1_DAT6,
|
|
MFP_PIN_MMC1_DAT5,
|
|
MFP_PIN_MMC1_DAT4,
|
|
MFP_PIN_MMC1_DAT3,
|
|
MFP_PIN_MMC1_DAT2,
|
|
MFP_PIN_MMC1_DAT1,
|
|
MFP_PIN_MMC1_DAT0,
|
|
MFP_PIN_MMC1_CMD,
|
|
MFP_PIN_MMC1_CLK,
|
|
MFP_PIN_MMC1_CD,
|
|
MFP_PIN_MMC1_WP,
|
|
|
|
/* additional pins on PXA930 */
|
|
MFP_PIN_GSIM_UIO,
|
|
MFP_PIN_GSIM_UCLK,
|
|
MFP_PIN_GSIM_UDET,
|
|
MFP_PIN_GSIM_nURST,
|
|
MFP_PIN_PMIC_INT,
|
|
MFP_PIN_RDY,
|
|
|
|
MFP_PIN_MAX,
|
|
};
|
|
|
|
/*
|
|
* a possible MFP configuration is represented by a 32-bit integer
|
|
*
|
|
* bit 0.. 9 - MFP Pin Number (1024 Pins Maximum)
|
|
* bit 10..12 - Alternate Function Selection
|
|
* bit 13..15 - Drive Strength
|
|
* bit 16..18 - Low Power Mode State
|
|
* bit 19..20 - Low Power Mode Edge Detection
|
|
* bit 21..22 - Run Mode Pull State
|
|
*
|
|
* to facilitate the definition, the following macros are provided
|
|
*
|
|
* MFP_CFG_DEFAULT - default MFP configuration value, with
|
|
* alternate function = 0,
|
|
* drive strength = fast 3mA (MFP_DS03X)
|
|
* low power mode = default
|
|
* 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
|
|
*/
|
|
|
|
typedef unsigned long mfp_cfg_t;
|
|
|
|
#define MFP_PIN(x) ((x) & 0x3ff)
|
|
|
|
#define MFP_AF0 (0x0 << 10)
|
|
#define MFP_AF1 (0x1 << 10)
|
|
#define MFP_AF2 (0x2 << 10)
|
|
#define MFP_AF3 (0x3 << 10)
|
|
#define MFP_AF4 (0x4 << 10)
|
|
#define MFP_AF5 (0x5 << 10)
|
|
#define MFP_AF6 (0x6 << 10)
|
|
#define MFP_AF7 (0x7 << 10)
|
|
#define MFP_AF_MASK (0x7 << 10)
|
|
#define MFP_AF(x) (((x) >> 10) & 0x7)
|
|
|
|
#define MFP_DS01X (0x0 << 13)
|
|
#define MFP_DS02X (0x1 << 13)
|
|
#define MFP_DS03X (0x2 << 13)
|
|
#define MFP_DS04X (0x3 << 13)
|
|
#define MFP_DS06X (0x4 << 13)
|
|
#define MFP_DS08X (0x5 << 13)
|
|
#define MFP_DS10X (0x6 << 13)
|
|
#define MFP_DS13X (0x7 << 13)
|
|
#define MFP_DS_MASK (0x7 << 13)
|
|
#define MFP_DS(x) (((x) >> 13) & 0x7)
|
|
|
|
#define MFP_LPM_DEFAULT (0x0 << 16)
|
|
#define MFP_LPM_DRIVE_LOW (0x1 << 16)
|
|
#define MFP_LPM_DRIVE_HIGH (0x2 << 16)
|
|
#define MFP_LPM_PULL_LOW (0x3 << 16)
|
|
#define MFP_LPM_PULL_HIGH (0x4 << 16)
|
|
#define MFP_LPM_FLOAT (0x5 << 16)
|
|
#define MFP_LPM_INPUT (0x6 << 16)
|
|
#define MFP_LPM_STATE_MASK (0x7 << 16)
|
|
#define MFP_LPM_STATE(x) (((x) >> 16) & 0x7)
|
|
|
|
#define MFP_LPM_EDGE_NONE (0x0 << 19)
|
|
#define MFP_LPM_EDGE_RISE (0x1 << 19)
|
|
#define MFP_LPM_EDGE_FALL (0x2 << 19)
|
|
#define MFP_LPM_EDGE_BOTH (0x3 << 19)
|
|
#define MFP_LPM_EDGE_MASK (0x3 << 19)
|
|
#define MFP_LPM_EDGE(x) (((x) >> 19) & 0x3)
|
|
|
|
#define MFP_PULL_NONE (0x0 << 21)
|
|
#define MFP_PULL_LOW (0x1 << 21)
|
|
#define MFP_PULL_HIGH (0x2 << 21)
|
|
#define MFP_PULL_BOTH (0x3 << 21)
|
|
#define MFP_PULL_FLOAT (0x4 << 21)
|
|
#define MFP_PULL_MASK (0x7 << 21)
|
|
#define MFP_PULL(x) (((x) >> 21) & 0x7)
|
|
|
|
#define MFP_CFG_DEFAULT (MFP_AF0 | MFP_DS03X | MFP_LPM_DEFAULT |\
|
|
MFP_LPM_EDGE_NONE | MFP_PULL_NONE)
|
|
|
|
#define MFP_CFG(pin, af) \
|
|
((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\
|
|
(MFP_PIN(MFP_PIN_##pin) | MFP_##af))
|
|
|
|
#define MFP_CFG_DRV(pin, af, drv) \
|
|
((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\
|
|
(MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv))
|
|
|
|
#define MFP_CFG_LPM(pin, af, lpm) \
|
|
((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\
|
|
(MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm))
|
|
|
|
#define MFP_CFG_X(pin, af, drv, lpm) \
|
|
((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\
|
|
(MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm))
|
|
|
|
#if defined(CONFIG_PXA3xx) || defined(CONFIG_ARCH_MMP)
|
|
/*
|
|
* 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 mfp_init()
|
|
*
|
|
* mfp_init_base() - accepts a virtual base for all MFPR registers and
|
|
* initialize the MFP table to a default state
|
|
*
|
|
* mfp_init_addr() - accepts a table of "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 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 }
|
|
|
|
void __init mfp_init_base(unsigned long mfpr_base);
|
|
void __init mfp_init_addr(struct mfp_addr_map *map);
|
|
|
|
/*
|
|
* mfp_{read, write}() - for direct read/write access to the MFPR register
|
|
* mfp_config() - for configuring a group of MFPR registers
|
|
* mfp_config_lpm() - configuring all low power MFPR registers for suspend
|
|
* mfp_config_run() - configuring all run time MFPR registers after resume
|
|
*/
|
|
unsigned long mfp_read(int mfp);
|
|
void mfp_write(int mfp, unsigned long mfpr_val);
|
|
void mfp_config(unsigned long *mfp_cfgs, int num);
|
|
void mfp_config_run(void);
|
|
void mfp_config_lpm(void);
|
|
#endif /* CONFIG_PXA3xx || CONFIG_ARCH_MMP */
|
|
|
|
#endif /* __ASM_PLAT_MFP_H */
|