[ARM] pxa: PXA3xx base support

Signed-off-by: eric miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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 000000000000..60291742ffdd
--- /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 */