| /* |
| * 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 */ |
