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linux/include/asm-arm/arch-pxa/mfp-pxa27x.h

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[ARM] pxa: add MFP-alike pin configuration support for pxa{25x, 27x} Pin configuration on pxa{25x,27x} has now separated from generic GPIO into dedicated mfp-pxa2xx.c by this patch. The name "mfp" is borrowed from pxa3xx and is used here to alert the difference between the two concepts: pin configuration and generic GPIOs. A GPIO can be called a "GPIO" _only_ when the corresponding pin is configured so. A pin configuration on pxa{25x,27x} is composed of: - alternate function selection (or pin mux as commonly called) - low power state or sleep state - wakeup enabling from low power mode The following MFP_xxx bit definitions in mfp.h are re-used: - MFP_PIN(x) - MFP_AFx - MFP_LPM_DRIVE_{LOW, HIGH} - MFP_LPM_EDGE_* Selecting alternate function on pxa{25x, 27x} involves configuration of GPIO direction register GPDRx, so a new bit and MFP_DIR_{IN, OUT} are introduced. And pin configurations are defined by the following two macros: - MFP_CFG_IN : for input alternate functions - MFP_CFG_OUT : for output alternate functions Every configuration should provide a low power state if it configured as output using MFP_CFG_OUT(). As a general guideline, the low power state should be decided to minimize the overall power dissipation. As an example, it is better to drive the pin as high level in low power mode if the GPIO is configured as an active low chip select. Pins configured as GPIO are defined by MFP_CFG_IN(). This is to avoid side effects when it is firstly configured as output. The actual direction of the GPIO is configured by gpio_direction_{input, output} Wakeup enabling on pxa{25x, 27x} is actually GPIO based wakeup, thus the device based enable_irq_wake() mechanism is not applicable here. E.g. invoking enable_irq_wake() with a GPIO IRQ as in the following code to enable OTG wakeup is by no means portable and intuitive, and it is valid _only_ when GPIO35 is configured as USB_P2_1: enable_irq_wake( gpio_to_irq(35) ); To make things worse, not every GPIO is able to wakeup the system. Only a small number of them can, on either rising or falling edge, or when level is high (for keypad GPIOs). Thus, another new bit is introduced to indicate that the GPIO will wakeup the system: - MFP_LPM_WAKEUP_ENABLE The following macros can be used in platform code, and be OR'ed to the GPIO configuration to enable its wakeup: - WAKEUP_ON_EDGE_{RISE, FALL, BOTH} - WAKEUP_ON_LEVEL_HIGH The WAKEUP_ON_LEVEL_HIGH is used for keypad GPIOs _only_, there is no edge settings for those GPIOs. These WAKEUP_ON_* flags OR'ed on wrong GPIOs will be ignored in case that platform code author is careless enough. The tradeoff here is that the wakeup source is fully determined by the platform configuration, instead of enable_irq_wake(). Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-03-05 02:16:29 -07:00
#ifndef __ASM_ARCH_MFP_PXA27X_H
#define __ASM_ARCH_MFP_PXA27X_H
/*
* NOTE: for those special-function bidirectional GPIOs, as described
* in the "PXA27x Developer's Manual" Section 24.4.2.1, only its input
* alternative is preserved, the direction is actually selected by the
* specific controller, and this should work in most cases.
*/
#include <asm/arch/mfp.h>
#include <asm/arch/mfp-pxa2xx.h>
/* GPIO */
#define GPIO85_GPIO MFP_CFG_IN(GPIO85, AF0)
#define GPIO86_GPIO MFP_CFG_IN(GPIO86, AF0)
#define GPIO87_GPIO MFP_CFG_IN(GPIO87, AF0)
#define GPIO88_GPIO MFP_CFG_IN(GPIO88, AF0)
#define GPIO89_GPIO MFP_CFG_IN(GPIO89, AF0)
#define GPIO90_GPIO MFP_CFG_IN(GPIO90, AF0)
#define GPIO91_GPIO MFP_CFG_IN(GPIO91, AF0)
#define GPIO92_GPIO MFP_CFG_IN(GPIO92, AF0)
#define GPIO93_GPIO MFP_CFG_IN(GPIO93, AF0)
#define GPIO94_GPIO MFP_CFG_IN(GPIO94, AF0)
#define GPIO95_GPIO MFP_CFG_IN(GPIO95, AF0)
#define GPIO96_GPIO MFP_CFG_IN(GPIO96, AF0)
#define GPIO97_GPIO MFP_CFG_IN(GPIO97, AF0)
#define GPIO98_GPIO MFP_CFG_IN(GPIO98, AF0)
#define GPIO99_GPIO MFP_CFG_IN(GPIO99, AF0)
#define GPIO100_GPIO MFP_CFG_IN(GPIO100, AF0)
#define GPIO101_GPIO MFP_CFG_IN(GPIO101, AF0)
#define GPIO102_GPIO MFP_CFG_IN(GPIO102, AF0)
#define GPIO103_GPIO MFP_CFG_IN(GPIO103, AF0)
#define GPIO104_GPIO MFP_CFG_IN(GPIO104, AF0)
#define GPIO105_GPIO MFP_CFG_IN(GPIO105, AF0)
#define GPIO106_GPIO MFP_CFG_IN(GPIO106, AF0)
#define GPIO107_GPIO MFP_CFG_IN(GPIO107, AF0)
#define GPIO108_GPIO MFP_CFG_IN(GPIO108, AF0)
#define GPIO109_GPIO MFP_CFG_IN(GPIO109, AF0)
#define GPIO110_GPIO MFP_CFG_IN(GPIO110, AF0)
#define GPIO111_GPIO MFP_CFG_IN(GPIO111, AF0)
#define GPIO112_GPIO MFP_CFG_IN(GPIO112, AF0)
#define GPIO113_GPIO MFP_CFG_IN(GPIO113, AF0)
#define GPIO114_GPIO MFP_CFG_IN(GPIO114, AF0)
#define GPIO115_GPIO MFP_CFG_IN(GPIO115, AF0)
#define GPIO116_GPIO MFP_CFG_IN(GPIO116, AF0)
#define GPIO117_GPIO MFP_CFG_IN(GPIO117, AF0)
#define GPIO118_GPIO MFP_CFG_IN(GPIO118, AF0)
#define GPIO119_GPIO MFP_CFG_IN(GPIO119, AF0)
#define GPIO120_GPIO MFP_CFG_IN(GPIO120, AF0)
/* Crystal and Clock Signals */
#define GPIO9_HZ_CLK MFP_CFG_OUT(GPIO9, AF1, DRIVE_LOW)
#define GPIO10_HZ_CLK MFP_CFG_OUT(GPIO10, AF1, DRIVE_LOW)
#define GPIO11_48_MHz MFP_CFG_OUT(GPIO11, AF3, DRIVE_LOW)
#define GPIO12_48_MHz MFP_CFG_OUT(GPIO12, AF3, DRIVE_LOW)
#define GPIO13_CLK_EXT MFP_CFG_IN(GPIO13, AF1)
/* OS Timer Signals */
#define GPIO11_EXT_SYNC_0 MFP_CFG_IN(GPIO11, AF1)
#define GPIO12_EXT_SYNC_1 MFP_CFG_IN(GPIO12, AF1)
#define GPIO9_CHOUT_0 MFP_CFG_OUT(GPIO9, AF3, DRIVE_LOW)
#define GPIO10_CHOUT_1 MFP_CFG_OUT(GPIO10, AF3, DRIVE_LOW)
#define GPIO11_CHOUT_0 MFP_CFG_OUT(GPIO11, AF1, DRIVE_LOW)
#define GPIO12_CHOUT_1 MFP_CFG_OUT(GPIO12, AF1, DRIVE_LOW)
/* SDRAM and Static Memory I/O Signals */
#define GPIO20_nSDCS_2 MFP_CFG_OUT(GPIO20, AF1, DRIVE_HIGH)
#define GPIO21_nSDCS_3 MFP_CFG_OUT(GPIO21, AF1, DRIVE_HIGH)
#define GPIO15_nCS_1 MFP_CFG_OUT(GPIO15, AF2, DRIVE_HIGH)
#define GPIO78_nCS_2 MFP_CFG_OUT(GPIO78, AF2, DRIVE_HIGH)
#define GPIO79_nCS_3 MFP_CFG_OUT(GPIO79, AF2, DRIVE_HIGH)
#define GPIO80_nCS_4 MFP_CFG_OUT(GPIO80, AF2, DRIVE_HIGH)
#define GPIO33_nCS_5 MFP_CFG_OUT(GPIO33, AF2, DRIVE_HIGH)
/* Miscellaneous I/O and DMA Signals */
#define GPIO21_DVAL_0 MFP_CFG_OUT(GPIO21, AF2, DRIVE_HIGH)
#define GPIO116_DVAL_0 MFP_CFG_OUT(GPIO116, AF1, DRIVE_HIGH)
#define GPIO33_DVAL_1 MFP_CFG_OUT(GPIO33, AF1, DRIVE_HIGH)
#define GPIO96_DVAL_1 MFP_CFG_OUT(GPIO96, AF2, DRIVE_HIGH)
#define GPIO18_RDY MFP_CFG_IN(GPIO18, AF1)
#define GPIO20_DREQ_0 MFP_CFG_IN(GPIO20, AF1)
#define GPIO115_DREQ_0 MFP_CFG_IN(GPIO115, AF1)
#define GPIO80_DREQ_1 MFP_CFG_IN(GPIO80, AF1)
#define GPIO97_DREQ_1 MFP_CFG_IN(GPIO97, AF2)
#define GPIO85_DREQ_2 MFP_CFG_IN(GPIO85, AF2)
#define GPIO100_DREQ_2 MFP_CFG_IN(GPIO100, AF2)
/* Alternate Bus Master Mode I/O Signals */
#define GPIO20_MBREQ MFP_CFG_IN(GPIO20, AF2)
#define GPIO80_MBREQ MFP_CFG_IN(GPIO80, AF2)
#define GPIO96_MBREQ MFP_CFG_IN(GPIO96, AF2)
#define GPIO115_MBREQ MFP_CFG_IN(GPIO115, AF3)
#define GPIO21_MBGNT MFP_CFG_OUT(GPIO21, AF3, DRIVE_LOW)
#define GPIO33_MBGNT MFP_CFG_OUT(GPIO33, AF3, DRIVE_LOW)
#define GPIO97_MBGNT MFP_CFG_OUT(GPIO97, AF2, DRIVE_LOW)
#define GPIO116_MBGNT MFP_CFG_OUT(GPIO116, AF3, DRIVE_LOW)
/* PC CARD */
#define GPIO15_nPCE_1 MFP_CFG_OUT(GPIO15, AF1, DRIVE_HIGH)
#define GPIO85_nPCE_1 MFP_CFG_OUT(GPIO85, AF1, DRIVE_HIGH)
#define GPIO86_nPCE_1 MFP_CFG_OUT(GPIO86, AF1, DRIVE_HIGH)
#define GPIO102_nPCE_1 MFP_CFG_OUT(GPIO102, AF1, DRIVE_HIGH)
#define GPIO54_nPCE_2 MFP_CFG_OUT(GPIO54, AF2, DRIVE_HIGH)
#define GPIO78_nPCE_2 MFP_CFG_OUT(GPIO78, AF1, DRIVE_HIGH)
#define GPIO87_nPCE_2 MFP_CFG_IN(GPIO87, AF1)
#define GPIO55_nPREG MFP_CFG_OUT(GPIO55, AF2, DRIVE_HIGH)
#define GPIO50_nPIOR MFP_CFG_OUT(GPIO50, AF2, DRIVE_HIGH)
#define GPIO51_nPIOW MFP_CFG_OUT(GPIO51, AF2, DRIVE_HIGH)
#define GPIO49_nPWE MFP_CFG_OUT(GPIO49, AF2, DRIVE_HIGH)
#define GPIO48_nPOE MFP_CFG_OUT(GPIO48, AF2, DRIVE_HIGH)
#define GPIO57_nIOIS16 MFP_CFG_IN(GPIO57, AF1)
#define GPIO56_nPWAIT MFP_CFG_IN(GPIO56, AF1)
#define GPIO79_PSKTSEL MFP_CFG_OUT(GPIO79, AF1, DRIVE_HIGH)
[ARM] 5070/1: pxa: add GPIO104_PSKTSEL to pxa27x MFP configuration PSKTSEL can be routed to GPIO pin 104. This configuration is used by HP iPAQ hx4700. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Jrgen Schindele <linux@schindele.name> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-05-30 10:53:55 -07:00
#define GPIO104_PSKTSEL MFP_CFG_OUT(GPIO104, AF1, DRIVE_HIGH)
[ARM] pxa: add MFP-alike pin configuration support for pxa{25x, 27x} Pin configuration on pxa{25x,27x} has now separated from generic GPIO into dedicated mfp-pxa2xx.c by this patch. The name "mfp" is borrowed from pxa3xx and is used here to alert the difference between the two concepts: pin configuration and generic GPIOs. A GPIO can be called a "GPIO" _only_ when the corresponding pin is configured so. A pin configuration on pxa{25x,27x} is composed of: - alternate function selection (or pin mux as commonly called) - low power state or sleep state - wakeup enabling from low power mode The following MFP_xxx bit definitions in mfp.h are re-used: - MFP_PIN(x) - MFP_AFx - MFP_LPM_DRIVE_{LOW, HIGH} - MFP_LPM_EDGE_* Selecting alternate function on pxa{25x, 27x} involves configuration of GPIO direction register GPDRx, so a new bit and MFP_DIR_{IN, OUT} are introduced. And pin configurations are defined by the following two macros: - MFP_CFG_IN : for input alternate functions - MFP_CFG_OUT : for output alternate functions Every configuration should provide a low power state if it configured as output using MFP_CFG_OUT(). As a general guideline, the low power state should be decided to minimize the overall power dissipation. As an example, it is better to drive the pin as high level in low power mode if the GPIO is configured as an active low chip select. Pins configured as GPIO are defined by MFP_CFG_IN(). This is to avoid side effects when it is firstly configured as output. The actual direction of the GPIO is configured by gpio_direction_{input, output} Wakeup enabling on pxa{25x, 27x} is actually GPIO based wakeup, thus the device based enable_irq_wake() mechanism is not applicable here. E.g. invoking enable_irq_wake() with a GPIO IRQ as in the following code to enable OTG wakeup is by no means portable and intuitive, and it is valid _only_ when GPIO35 is configured as USB_P2_1: enable_irq_wake( gpio_to_irq(35) ); To make things worse, not every GPIO is able to wakeup the system. Only a small number of them can, on either rising or falling edge, or when level is high (for keypad GPIOs). Thus, another new bit is introduced to indicate that the GPIO will wakeup the system: - MFP_LPM_WAKEUP_ENABLE The following macros can be used in platform code, and be OR'ed to the GPIO configuration to enable its wakeup: - WAKEUP_ON_EDGE_{RISE, FALL, BOTH} - WAKEUP_ON_LEVEL_HIGH The WAKEUP_ON_LEVEL_HIGH is used for keypad GPIOs _only_, there is no edge settings for those GPIOs. These WAKEUP_ON_* flags OR'ed on wrong GPIOs will be ignored in case that platform code author is careless enough. The tradeoff here is that the wakeup source is fully determined by the platform configuration, instead of enable_irq_wake(). Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-03-05 02:16:29 -07:00
/* I2C */
#define GPIO117_I2C_SCL MFP_CFG_IN(GPIO117, AF1)
#define GPIO118_I2C_SDA MFP_CFG_IN(GPIO118, AF1)
/* FFUART */
#define GPIO9_FFUART_CTS MFP_CFG_IN(GPIO9, AF3)
#define GPIO26_FFUART_CTS MFP_CFG_IN(GPIO26, AF3)
#define GPIO35_FFUART_CTS MFP_CFG_IN(GPIO35, AF1)
#define GPIO100_FFUART_CTS MFP_CFG_IN(GPIO100, AF3)
#define GPIO10_FFUART_DCD MFP_CFG_IN(GPIO10, AF1)
#define GPIO36_FFUART_DCD MFP_CFG_IN(GPIO36, AF1)
#define GPIO33_FFUART_DSR MFP_CFG_IN(GPIO33, AF2)
#define GPIO37_FFUART_DSR MFP_CFG_IN(GPIO37, AF1)
#define GPIO38_FFUART_RI MFP_CFG_IN(GPIO38, AF1)
#define GPIO89_FFUART_RI MFP_CFG_IN(GPIO89, AF3)
#define GPIO19_FFUART_RXD MFP_CFG_IN(GPIO19, AF3)
#define GPIO33_FFUART_RXD MFP_CFG_IN(GPIO33, AF1)
#define GPIO34_FFUART_RXD MFP_CFG_IN(GPIO34, AF1)
#define GPIO41_FFUART_RXD MFP_CFG_IN(GPIO41, AF1)
#define GPIO53_FFUART_RXD MFP_CFG_IN(GPIO53, AF1)
#define GPIO85_FFUART_RXD MFP_CFG_IN(GPIO85, AF1)
#define GPIO96_FFUART_RXD MFP_CFG_IN(GPIO96, AF3)
#define GPIO102_FFUART_RXD MFP_CFG_IN(GPIO102, AF3)
#define GPIO16_FFUART_TXD MFP_CFG_OUT(GPIO16, AF3, DRIVE_HIGH)
#define GPIO37_FFUART_TXD MFP_CFG_OUT(GPIO37, AF3, DRIVE_HIGH)
#define GPIO39_FFUART_TXD MFP_CFG_OUT(GPIO39, AF2, DRIVE_HIGH)
#define GPIO83_FFUART_TXD MFP_CFG_OUT(GPIO83, AF2, DRIVE_HIGH)
#define GPIO99_FFUART_TXD MFP_CFG_OUT(GPIO99, AF3, DRIVE_HIGH)
#define GPIO27_FFUART_RTS MFP_CFG_OUT(GPIO27, AF3, DRIVE_HIGH)
#define GPIO41_FFUART_RTS MFP_CFG_OUT(GPIO41, AF2, DRIVE_HIGH)
#define GPIO83_FFUART_RTS MFP_CFG_OUT(GPIO83, AF3, DRIVE_HIGH)
#define GPIO98_FFUART_RTS MFP_CFG_OUT(GPIO98, AF3, DRIVE_HIGH)
#define GPIO40_FFUART_DTR MFP_CFG_OUT(GPIO40, AF2, DRIVE_HIGH)
#define GPIO82_FFUART_DTR MFP_CFG_OUT(GPIO82, AF3, DRIVE_HIGH)
/* BTUART */
#define GPIO44_BTUART_CTS MFP_CFG_IN(GPIO44, AF1)
#define GPIO42_BTUART_RXD MFP_CFG_IN(GPIO42, AF1)
#define GPIO45_BTUART_RTS MFP_CFG_OUT(GPIO45, AF2, DRIVE_HIGH)
#define GPIO43_BTUART_TXD MFP_CFG_OUT(GPIO43, AF2, DRIVE_HIGH)
/* STUART */
#define GPIO46_STUART_RXD MFP_CFG_IN(GPIO46, AF2)
#define GPIO47_STUART_TXD MFP_CFG_OUT(GPIO47, AF1, DRIVE_HIGH)
/* FICP */
#define GPIO42_FICP_RXD MFP_CFG_IN(GPIO42, AF2)
#define GPIO46_FICP_RXD MFP_CFG_IN(GPIO46, AF1)
#define GPIO43_FICP_TXD MFP_CFG_OUT(GPIO43, AF1, DRIVE_HIGH)
#define GPIO47_FICP_TXD MFP_CFG_OUT(GPIO47, AF2, DRIVE_HIGH)
/* PWM 0/1/2/3 */
#define GPIO11_PWM2_OUT MFP_CFG_OUT(GPIO11, AF2, DRIVE_LOW)
#define GPIO12_PWM3_OUT MFP_CFG_OUT(GPIO12, AF2, DRIVE_LOW)
#define GPIO16_PWM0_OUT MFP_CFG_OUT(GPIO16, AF2, DRIVE_LOW)
#define GPIO17_PWM1_OUT MFP_CFG_OUT(GPIO17, AF2, DRIVE_LOW)
#define GPIO38_PWM1_OUT MFP_CFG_OUT(GPIO38, AF3, DRIVE_LOW)
#define GPIO46_PWM2_OUT MFP_CFG_OUT(GPIO46, AF2, DRIVE_LOW)
#define GPIO47_PWM3_OUT MFP_CFG_OUT(GPIO47, AF3, DRIVE_LOW)
#define GPIO79_PWM2_OUT MFP_CFG_OUT(GPIO79, AF3, DRIVE_LOW)
#define GPIO80_PWM3_OUT MFP_CFG_OUT(GPIO80, AF3, DRIVE_LOW)
#define GPIO115_PWM1_OUT MFP_CFG_OUT(GPIO115, AF3, DRIVE_LOW)
/* AC97 */
#define GPIO31_AC97_SYNC MFP_CFG_OUT(GPIO31, AF2, DRIVE_LOW)
#define GPIO94_AC97_SYNC MFP_CFG_OUT(GPIO94, AF1, DRIVE_LOW)
#define GPIO30_AC97_SDATA_OUT MFP_CFG_OUT(GPIO30, AF2, DRIVE_LOW)
#define GPIO93_AC97_SDATA_OUT MFP_CFG_OUT(GPIO93, AF1, DRIVE_LOW)
#define GPIO45_AC97_SYSCLK MFP_CFG_OUT(GPIO45, AF1, DRIVE_LOW)
#define GPIO89_AC97_SYSCLK MFP_CFG_OUT(GPIO89, AF1, DRIVE_LOW)
#define GPIO98_AC97_SYSCLK MFP_CFG_OUT(GPIO98, AF1, DRIVE_LOW)
#define GPIO95_AC97_nRESET MFP_CFG_OUT(GPIO95, AF1, DRIVE_LOW)
#define GPIO113_AC97_nRESET MFP_CFG_OUT(GPIO113, AF2, DRIVE_LOW)
#define GPIO28_AC97_BITCLK MFP_CFG_IN(GPIO28, AF1)
#define GPIO29_AC97_SDATA_IN_0 MFP_CFG_IN(GPIO29, AF1)
#define GPIO116_AC97_SDATA_IN_0 MFP_CFG_IN(GPIO116, AF2)
#define GPIO99_AC97_SDATA_IN_1 MFP_CFG_IN(GPIO99, AF2)
/* I2S */
#define GPIO28_I2S_BITCLK_IN MFP_CFG_IN(GPIO28, AF2)
#define GPIO28_I2S_BITCLK_OUT MFP_CFG_OUT(GPIO28, AF1, DRIVE_LOW)
#define GPIO29_I2S_SDATA_IN MFP_CFG_IN(GPIO29, AF2)
#define GPIO30_I2S_SDATA_OUT MFP_CFG_OUT(GPIO30, AF1, DRIVE_LOW)
#define GPIO31_I2S_SYNC MFP_CFG_OUT(GPIO31, AF1, DRIVE_LOW)
#define GPIO113_I2S_SYSCLK MFP_CFG_OUT(GPIO113, AF1, DRIVE_LOW)
/* SSP 1 */
#define GPIO23_SSP1_SCLK MFP_CFG_OUT(GPIO23, AF2, DRIVE_LOW)
#define GPIO29_SSP1_SCLK MFP_CFG_IN(GPIO29, AF3)
#define GPIO27_SSP1_SYSCLK MFP_CFG_OUT(GPIO27, AF1, DRIVE_LOW)
#define GPIO53_SSP1_SYSCLK MFP_CFG_OUT(GPIO53, AF3, DRIVE_LOW)
#define GPIO24_SSP1_SFRM MFP_CFG_IN(GPIO24, AF2)
#define GPIO28_SSP1_SFRM MFP_CFG_IN(GPIO28, AF3)
#define GPIO25_SSP1_TXD MFP_CFG_OUT(GPIO25, AF2, DRIVE_LOW)
#define GPIO57_SSP1_TXD MFP_CFG_OUT(GPIO57, AF3, DRIVE_LOW)
#define GPIO26_SSP1_RXD MFP_CFG_IN(GPIO26, AF1)
#define GPIO27_SSP1_SCLKEN MFP_CFG_IN(GPIO27, AF2)
/* SSP 2 */
#define GPIO19_SSP2_SCLK MFP_CFG_IN(GPIO19, AF1)
#define GPIO22_SSP2_SCLK MFP_CFG_IN(GPIO22, AF3)
#define GPIO29_SSP2_SCLK MFP_CFG_OUT(GPIO29, AF3, DRIVE_LOW)
#define GPIO36_SSP2_SCLK MFP_CFG_IN(GPIO36, AF2)
#define GPIO50_SSP2_SCLK MFP_CFG_IN(GPIO50, AF3)
#define GPIO22_SSP2_SYSCLK MFP_CFG_OUT(GPIO22, AF2, DRIVE_LOW)
#define GPIO14_SSP2_SFRM MFP_CFG_IN(GPIO14, AF2)
#define GPIO37_SSP2_SFRM MFP_CFG_IN(GPIO37, AF2)
#define GPIO87_SSP2_SFRM MFP_CFG_OUT(GPIO87, AF3, DRIVE_LOW)
#define GPIO88_SSP2_SFRM MFP_CFG_IN(GPIO88, AF3)
#define GPIO13_SSP2_TXD MFP_CFG_OUT(GPIO13, AF1, DRIVE_LOW)
#define GPIO38_SSP2_TXD MFP_CFG_OUT(GPIO38, AF2, DRIVE_LOW)
#define GPIO87_SSP2_TXD MFP_CFG_OUT(GPIO87, AF1, DRIVE_LOW)
#define GPIO89_SSP2_TXD MFP_CFG_OUT(GPIO89, AF3, DRIVE_LOW)
#define GPIO11_SSP2_RXD MFP_CFG_IN(GPIO11, AF2)
#define GPIO29_SSP2_RXD MFP_CFG_OUT(GPIO29, AF1, DRIVE_LOW)
#define GPIO40_SSP2_RXD MFP_CFG_IN(GPIO40, AF1)
#define GPIO86_SSP2_RXD MFP_CFG_IN(GPIO86, AF1)
#define GPIO88_SSP2_RXD MFP_CFG_IN(GPIO88, AF2)
#define GPIO22_SSP2_EXTCLK MFP_CFG_IN(GPIO22, AF1)
#define GPIO27_SSP2_EXTCLK MFP_CFG_IN(GPIO27, AF1)
#define GPIO22_SSP2_SCLKEN MFP_CFG_IN(GPIO22, AF2)
#define GPIO23_SSP2_SCLKEN MFP_CFG_IN(GPIO23, AF2)
/* SSP 3 */
#define GPIO34_SSP3_SCLK MFP_CFG_IN(GPIO34, AF3)
#define GPIO40_SSP3_SCLK MFP_CFG_OUT(GPIO40, AF3, DRIVE_LOW)
#define GPIO52_SSP3_SCLK MFP_CFG_IN(GPIO52, AF2)
#define GPIO84_SSP3_SCLK MFP_CFG_IN(GPIO84, AF1)
#define GPIO45_SSP3_SYSCLK MFP_CFG_OUT(GPIO45, AF3, DRIVE_LOW)
#define GPIO35_SSP3_SFRM MFP_CFG_IN(GPIO35, AF3)
#define GPIO39_SSP3_SFRM MFP_CFG_IN(GPIO39, AF3)
#define GPIO83_SSP3_SFRM MFP_CFG_IN(GPIO83, AF1)
#define GPIO35_SSP3_TXD MFP_CFG_OUT(GPIO35, AF3, DRIVE_LOW)
#define GPIO38_SSP3_TXD MFP_CFG_OUT(GPIO38, AF1, DRIVE_LOW)
#define GPIO81_SSP3_TXD MFP_CFG_OUT(GPIO81, AF1, DRIVE_LOW)
#define GPIO41_SSP3_RXD MFP_CFG_IN(GPIO41, AF3)
#define GPIO82_SSP3_RXD MFP_CFG_IN(GPIO82, AF1)
#define GPIO89_SSP3_RXD MFP_CFG_IN(GPIO89, AF1)
/* MMC */
#define GPIO32_MMC_CLK MFP_CFG_OUT(GPIO32, AF2, DRIVE_LOW)
#define GPIO92_MMC_DAT_0 MFP_CFG_IN(GPIO92, AF1)
#define GPIO109_MMC_DAT_1 MFP_CFG_IN(GPIO109, AF1)
#define GPIO110_MMC_DAT_2 MFP_CFG_IN(GPIO110, AF1)
#define GPIO111_MMC_DAT_3 MFP_CFG_IN(GPIO111, AF1)
#define GPIO112_MMC_CMD MFP_CFG_IN(GPIO112, AF1)
/* LCD */
#define GPIO58_LCD_LDD_0 MFP_CFG_OUT(GPIO58, AF2, DRIVE_LOW)
#define GPIO59_LCD_LDD_1 MFP_CFG_OUT(GPIO59, AF2, DRIVE_LOW)
#define GPIO60_LCD_LDD_2 MFP_CFG_OUT(GPIO60, AF2, DRIVE_LOW)
#define GPIO61_LCD_LDD_3 MFP_CFG_OUT(GPIO61, AF2, DRIVE_LOW)
#define GPIO62_LCD_LDD_4 MFP_CFG_OUT(GPIO62, AF2, DRIVE_LOW)
#define GPIO63_LCD_LDD_5 MFP_CFG_OUT(GPIO63, AF2, DRIVE_LOW)
#define GPIO64_LCD_LDD_6 MFP_CFG_OUT(GPIO64, AF2, DRIVE_LOW)
#define GPIO65_LCD_LDD_7 MFP_CFG_OUT(GPIO65, AF2, DRIVE_LOW)
#define GPIO66_LCD_LDD_8 MFP_CFG_OUT(GPIO66, AF2, DRIVE_LOW)
#define GPIO67_LCD_LDD_9 MFP_CFG_OUT(GPIO67, AF2, DRIVE_LOW)
#define GPIO68_LCD_LDD_10 MFP_CFG_OUT(GPIO68, AF2, DRIVE_LOW)
#define GPIO69_LCD_LDD_11 MFP_CFG_OUT(GPIO69, AF2, DRIVE_LOW)
#define GPIO70_LCD_LDD_12 MFP_CFG_OUT(GPIO70, AF2, DRIVE_LOW)
#define GPIO71_LCD_LDD_13 MFP_CFG_OUT(GPIO71, AF2, DRIVE_LOW)
#define GPIO72_LCD_LDD_14 MFP_CFG_OUT(GPIO72, AF2, DRIVE_LOW)
#define GPIO73_LCD_LDD_15 MFP_CFG_OUT(GPIO73, AF2, DRIVE_LOW)
#define GPIO86_LCD_LDD_16 MFP_CFG_OUT(GPIO86, AF2, DRIVE_LOW)
#define GPIO87_LCD_LDD_17 MFP_CFG_OUT(GPIO87, AF2, DRIVE_LOW)
#define GPIO74_LCD_FCLK MFP_CFG_OUT(GPIO74, AF2, DRIVE_LOW)
#define GPIO75_LCD_LCLK MFP_CFG_OUT(GPIO75, AF2, DRIVE_LOW)
#define GPIO76_LCD_PCLK MFP_CFG_OUT(GPIO76, AF2, DRIVE_LOW)
#define GPIO77_LCD_BIAS MFP_CFG_OUT(GPIO77, AF2, DRIVE_LOW)
#define GPIO14_LCD_VSYNC MFP_CFG_IN(GPIO14, AF1)
#define GPIO19_LCD_CS MFP_CFG_OUT(GPIO19, AF2, DRIVE_LOW)
/* Keypad */
#define GPIO93_KP_DKIN_0 MFP_CFG_IN(GPIO93, AF1)
#define GPIO94_KP_DKIN_1 MFP_CFG_IN(GPIO94, AF1)
#define GPIO95_KP_DKIN_2 MFP_CFG_IN(GPIO95, AF1)
#define GPIO96_KP_DKIN_3 MFP_CFG_IN(GPIO96, AF1)
#define GPIO97_KP_DKIN_4 MFP_CFG_IN(GPIO97, AF1)
#define GPIO98_KP_DKIN_5 MFP_CFG_IN(GPIO98, AF1)
#define GPIO99_KP_DKIN_6 MFP_CFG_IN(GPIO99, AF1)
#define GPIO13_KP_KDIN_7 MFP_CFG_IN(GPIO13, AF2)
#define GPIO100_KP_MKIN_0 MFP_CFG_IN(GPIO100, AF1)
#define GPIO101_KP_MKIN_1 MFP_CFG_IN(GPIO101, AF1)
#define GPIO102_KP_MKIN_2 MFP_CFG_IN(GPIO102, AF1)
#define GPIO34_KP_MKIN_3 MFP_CFG_IN(GPIO34, AF2)
#define GPIO37_KP_MKIN_3 MFP_CFG_IN(GPIO37, AF3)
#define GPIO97_KP_MKIN_3 MFP_CFG_IN(GPIO97, AF3)
#define GPIO98_KP_MKIN_4 MFP_CFG_IN(GPIO98, AF3)
#define GPIO38_KP_MKIN_4 MFP_CFG_IN(GPIO38, AF2)
#define GPIO39_KP_MKIN_4 MFP_CFG_IN(GPIO39, AF1)
#define GPIO16_KP_MKIN_5 MFP_CFG_IN(GPIO16, AF1)
#define GPIO90_KP_MKIN_5 MFP_CFG_IN(GPIO90, AF1)
#define GPIO99_KP_MKIN_5 MFP_CFG_IN(GPIO99, AF3)
#define GPIO17_KP_MKIN_6 MFP_CFG_IN(GPIO17, AF1)
#define GPIO91_KP_MKIN_6 MFP_CFG_IN(GPIO91, AF1)
#define GPIO95_KP_MKIN_6 MFP_CFG_IN(GPIO95, AF3)
#define GPIO13_KP_MKIN_7 MFP_CFG_IN(GPIO13, AF3)
#define GPIO36_KP_MKIN_7 MFP_CFG_IN(GPIO36, AF3)
#define GPIO103_KP_MKOUT_0 MFP_CFG_OUT(GPIO103, AF2, DRIVE_HIGH)
#define GPIO104_KP_MKOUT_1 MFP_CFG_OUT(GPIO104, AF2, DRIVE_HIGH)
#define GPIO105_KP_MKOUT_2 MFP_CFG_OUT(GPIO105, AF2, DRIVE_HIGH)
#define GPIO106_KP_MKOUT_3 MFP_CFG_OUT(GPIO106, AF2, DRIVE_HIGH)
#define GPIO107_KP_MKOUT_4 MFP_CFG_OUT(GPIO107, AF2, DRIVE_HIGH)
#define GPIO108_KP_MKOUT_5 MFP_CFG_OUT(GPIO108, AF2, DRIVE_HIGH)
#define GPIO35_KP_MKOUT_6 MFP_CFG_OUT(GPIO35, AF2, DRIVE_HIGH)
#define GPIO22_KP_MKOUT_7 MFP_CFG_OUT(GPIO22, AF1, DRIVE_HIGH)
#define GPIO40_KP_MKOUT_6 MFP_CFG_OUT(GPIO40, AF1, DRIVE_HIGH)
#define GPIO41_KP_MKOUT_7 MFP_CFG_OUT(GPIO41, AF1, DRIVE_HIGH)
#define GPIO96_KP_MKOUT_6 MFP_CFG_OUT(GPIO96, AF3, DRIVE_HIGH)
/* USB P3 */
#define GPIO10_USB_P3_5 MFP_CFG_IN(GPIO10, AF3)
#define GPIO11_USB_P3_1 MFP_CFG_IN(GPIO11, AF3)
#define GPIO30_USB_P3_2 MFP_CFG_OUT(GPIO30, AF3, DRIVE_LOW)
#define GPIO31_USB_P3_6 MFP_CFG_OUT(GPIO31, AF3, DRIVE_LOW)
#define GPIO56_USB_P3_4 MFP_CFG_OUT(GPIO56, AF1, DRIVE_LOW)
#define GPIO86_USB_P3_5 MFP_CFG_IN(GPIO86, AF3)
#define GPIO87_USB_P3_1 MFP_CFG_IN(GPIO87, AF3)
#define GPIO90_USB_P3_5 MFP_CFG_IN(GPIO90, AF2)
#define GPIO91_USB_P3_1 MFP_CFG_IN(GPIO91, AF2)
#define GPIO113_USB_P3_3 MFP_CFG_IN(GPIO113, AF3)
/* USB P2 */
#define GPIO34_USB_P2_2 MFP_CFG_OUT(GPIO34, AF1, DRIVE_LOW)
#define GPIO35_USB_P2_1 MFP_CFG_IN(GPIO35, AF2)
#define GPIO36_USB_P2_4 MFP_CFG_OUT(GPIO36, AF1, DRIVE_LOW)
#define GPIO37_USB_P2_8 MFP_CFG_OUT(GPIO37, AF1, DRIVE_LOW)
#define GPIO38_USB_P2_3 MFP_CFG_IN(GPIO38, AF3)
#define GPIO39_USB_P2_6 MFP_CFG_OUT(GPIO39, AF1, DRIVE_LOW)
#define GPIO40_USB_P2_5 MFP_CFG_IN(GPIO40, AF3)
#define GPIO41_USB_P2_7 MFP_CFG_IN(GPIO41, AF2)
#define GPIO53_USB_P2_3 MFP_CFG_IN(GPIO53, AF2)
/* USB Host Port 1/2 */
#define GPIO88_USBH1_PWR MFP_CFG_IN(GPIO88, AF1)
#define GPIO89_USBH1_PEN MFP_CFG_OUT(GPIO89, AF2, DRIVE_LOW)
#define GPIO119_USBH2_PWR MFP_CFG_IN(GPIO119, AF1)
#define GPIO120_USBH2_PEN MFP_CFG_OUT(GPIO120, AF2, DRIVE_LOW)
/* QCI - default to Master Mode: CIF_FV/CIF_LV Direction In */
#define GPIO115_CIF_DD_3 MFP_CFG_IN(GPIO115, AF2)
#define GPIO116_CIF_DD_2 MFP_CFG_IN(GPIO116, AF1)
#define GPIO12_CIF_DD_7 MFP_CFG_IN(GPIO12, AF2)
#define GPIO17_CIF_DD_6 MFP_CFG_IN(GPIO17, AF2)
#define GPIO23_CIF_MCLK MFP_CFG_OUT(GPIO23, AF1, DRIVE_LOW)
#define GPIO24_CIF_FV MFP_CFG_IN(GPIO24, AF1)
#define GPIO25_CIF_LV MFP_CFG_IN(GPIO25, AF1)
#define GPIO26_CIF_PCLK MFP_CFG_IN(GPIO26, AF2)
#define GPIO27_CIF_DD_0 MFP_CFG_IN(GPIO27, AF3)
#define GPIO42_CIF_MCLK MFP_CFG_OUT(GPIO42, AF3, DRIVE_LOW)
#define GPIO43_CIF_FV MFP_CFG_IN(GPIO43, AF3)
#define GPIO44_CIF_LV MFP_CFG_IN(GPIO44, AF3)
#define GPIO45_CIF_PCLK MFP_CFG_IN(GPIO45, AF3)
#define GPIO47_CIF_DD_0 MFP_CFG_IN(GPIO47, AF1)
#define GPIO48_CIF_DD_5 MFP_CFG_IN(GPIO48, AF1)
#define GPIO50_CIF_DD_3 MFP_CFG_IN(GPIO50, AF1)
#define GPIO51_CIF_DD_2 MFP_CFG_IN(GPIO51, AF1)
#define GPIO52_CIF_DD_4 MFP_CFG_IN(GPIO52, AF1)
#define GPIO53_CIF_MCLK MFP_CFG_OUT(GPIO53, AF2, DRIVE_LOW)
#define GPIO54_CIF_PCLK MFP_CFG_IN(GPIO54, AF3)
#define GPIO55_CIF_DD_1 MFP_CFG_IN(GPIO55, AF1)
#define GPIO81_CIF_DD_0 MFP_CFG_IN(GPIO81, AF2)
#define GPIO82_CIF_DD_5 MFP_CFG_IN(GPIO82, AF3)
#define GPIO83_CIF_DD_4 MFP_CFG_IN(GPIO83, AF3)
#define GPIO84_CIF_FV MFP_CFG_IN(GPIO84, AF3)
#define GPIO85_CIF_LV MFP_CFG_IN(GPIO85, AF3)
#define GPIO90_CIF_DD_4 MFP_CFG_IN(GPIO90, AF3)
#define GPIO91_CIF_DD_5 MFP_CFG_IN(GPIO91, AF3)
#define GPIO93_CIF_DD_6 MFP_CFG_IN(GPIO93, AF2)
#define GPIO94_CIF_DD_5 MFP_CFG_IN(GPIO94, AF2)
#define GPIO95_CIF_DD_4 MFP_CFG_IN(GPIO95, AF2)
#define GPIO98_CIF_DD_0 MFP_CFG_IN(GPIO98, AF2)
#define GPIO103_CIF_DD_3 MFP_CFG_IN(GPIO103, AF1)
#define GPIO104_CIF_DD_2 MFP_CFG_IN(GPIO104, AF1)
#define GPIO105_CIF_DD_1 MFP_CFG_IN(GPIO105, AF1)
#define GPIO106_CIF_DD_9 MFP_CFG_IN(GPIO106, AF1)
#define GPIO107_CIF_DD_8 MFP_CFG_IN(GPIO107, AF1)
#define GPIO108_CIF_DD_7 MFP_CFG_IN(GPIO108, AF1)
#define GPIO114_CIF_DD_1 MFP_CFG_IN(GPIO114, AF1)
/* Universal Subscriber ID Interface */
#define GPIO114_UVS0 MFP_CFG_OUT(GPIO114, AF2, DRIVE_LOW)
#define GPIO115_nUVS1 MFP_CFG_OUT(GPIO115, AF2, DRIVE_LOW)
#define GPIO116_nUVS2 MFP_CFG_OUT(GPIO116, AF2, DRIVE_LOW)
#define GPIO14_UCLK MFP_CFG_OUT(GPIO14, AF3, DRIVE_LOW)
#define GPIO91_UCLK MFP_CFG_OUT(GPIO91, AF2, DRIVE_LOW)
#define GPIO19_nURST MFP_CFG_OUT(GPIO19, AF3, DRIVE_LOW)
#define GPIO90_nURST MFP_CFG_OUT(GPIO90, AF2, DRIVE_LOW)
#define GPIO116_UDET MFP_CFG_IN(GPIO116, AF3)
#define GPIO114_UEN MFP_CFG_OUT(GPIO114, AF1, DRIVE_LOW)
#define GPIO115_UEN MFP_CFG_OUT(GPIO115, AF1, DRIVE_LOW)
/* Mobile Scalable Link (MSL) Interface */
#define GPIO81_BB_OB_DAT_0 MFP_CFG_OUT(GPIO81, AF2, DRIVE_LOW)
#define GPIO48_BB_OB_DAT_1 MFP_CFG_OUT(GPIO48, AF1, DRIVE_LOW)
#define GPIO50_BB_OB_DAT_2 MFP_CFG_OUT(GPIO50, AF1, DRIVE_LOW)
#define GPIO51_BB_OB_DAT_3 MFP_CFG_OUT(GPIO51, AF1, DRIVE_LOW)
#define GPIO52_BB_OB_CLK MFP_CFG_OUT(GPIO52, AF1, DRIVE_LOW)
#define GPIO53_BB_OB_STB MFP_CFG_OUT(GPIO53, AF1, DRIVE_LOW)
#define GPIO54_BB_OB_WAIT MFP_CFG_IN(GPIO54, AF2)
#define GPIO82_BB_IB_DAT_0 MFP_CFG_IN(GPIO82, AF2)
#define GPIO55_BB_IB_DAT_1 MFP_CFG_IN(GPIO55, AF2)
#define GPIO56_BB_IB_DAT_2 MFP_CFG_IN(GPIO56, AF2)
#define GPIO57_BB_IB_DAT_3 MFP_CFG_IN(GPIO57, AF2)
#define GPIO83_BB_IB_CLK MFP_CFG_IN(GPIO83, AF2)
#define GPIO84_BB_IB_STB MFP_CFG_IN(GPIO84, AF2)
#define GPIO85_BB_IB_WAIT MFP_CFG_OUT(GPIO85, AF2, DRIVE_LOW)
/* Memory Stick Host Controller */
#define GPIO92_MSBS MFP_CFG_OUT(GPIO92, AF2, DRIVE_LOW)
#define GPIO109_MSSDIO MFP_CFG_IN(GPIO109, AF2)
#define GPIO112_nMSINS MFP_CFG_IN(GPIO112, AF2)
#define GPIO32_MSSCLK MFP_CFG_OUT(GPIO32, AF1, DRIVE_LOW)
[ARM] pxa: allow dynamic enable/disable of GPIO wakeup for pxa{25x,27x} Changes include: 1. rename MFP_LPM_WAKEUP_ENABLE into MFP_LPM_CAN_WAKEUP to indicate the board capability of this pin to wakeup the system 2. add gpio_set_wake() and keypad_set_wake() to allow dynamically enable/disable wakeup from GPIOs and keypad GPIO * these functions are currently kept in mfp-pxa2xx.c due to their dependency to the MFP configuration 3. pxa2xx_mfp_config() only gives early warning if MFP_LPM_CAN_WAKEUP is set on incorrect pins So that the GPIO's wakeup capability is now decided by the following: a) processor's capability: (only those GPIOs which have dedicated bits within PWER/PRER/PFER can wakeup the system), this is initialized by pxa{25x,27x}_init_mfp() b) board design decides: - whether the pin is designed to wakeup the system (some of the GPIOs are configured as other functions, which is not intended to be a wakeup source), by OR'ing the pin config with MFP_LPM_CAN_WAKEUP - which edge the pin is designed to wakeup the system, this may depends on external peripherals/connections, which is totally board specific; this is indicated by MFP_LPM_EDGE_* c) the corresponding device's (most likely the gpio_keys.c) wakeup attribute: Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-03-10 18:46:28 -07:00
extern int keypad_set_wake(unsigned int on);
[ARM] pxa: add MFP-alike pin configuration support for pxa{25x, 27x} Pin configuration on pxa{25x,27x} has now separated from generic GPIO into dedicated mfp-pxa2xx.c by this patch. The name "mfp" is borrowed from pxa3xx and is used here to alert the difference between the two concepts: pin configuration and generic GPIOs. A GPIO can be called a "GPIO" _only_ when the corresponding pin is configured so. A pin configuration on pxa{25x,27x} is composed of: - alternate function selection (or pin mux as commonly called) - low power state or sleep state - wakeup enabling from low power mode The following MFP_xxx bit definitions in mfp.h are re-used: - MFP_PIN(x) - MFP_AFx - MFP_LPM_DRIVE_{LOW, HIGH} - MFP_LPM_EDGE_* Selecting alternate function on pxa{25x, 27x} involves configuration of GPIO direction register GPDRx, so a new bit and MFP_DIR_{IN, OUT} are introduced. And pin configurations are defined by the following two macros: - MFP_CFG_IN : for input alternate functions - MFP_CFG_OUT : for output alternate functions Every configuration should provide a low power state if it configured as output using MFP_CFG_OUT(). As a general guideline, the low power state should be decided to minimize the overall power dissipation. As an example, it is better to drive the pin as high level in low power mode if the GPIO is configured as an active low chip select. Pins configured as GPIO are defined by MFP_CFG_IN(). This is to avoid side effects when it is firstly configured as output. The actual direction of the GPIO is configured by gpio_direction_{input, output} Wakeup enabling on pxa{25x, 27x} is actually GPIO based wakeup, thus the device based enable_irq_wake() mechanism is not applicable here. E.g. invoking enable_irq_wake() with a GPIO IRQ as in the following code to enable OTG wakeup is by no means portable and intuitive, and it is valid _only_ when GPIO35 is configured as USB_P2_1: enable_irq_wake( gpio_to_irq(35) ); To make things worse, not every GPIO is able to wakeup the system. Only a small number of them can, on either rising or falling edge, or when level is high (for keypad GPIOs). Thus, another new bit is introduced to indicate that the GPIO will wakeup the system: - MFP_LPM_WAKEUP_ENABLE The following macros can be used in platform code, and be OR'ed to the GPIO configuration to enable its wakeup: - WAKEUP_ON_EDGE_{RISE, FALL, BOTH} - WAKEUP_ON_LEVEL_HIGH The WAKEUP_ON_LEVEL_HIGH is used for keypad GPIOs _only_, there is no edge settings for those GPIOs. These WAKEUP_ON_* flags OR'ed on wrong GPIOs will be ignored in case that platform code author is careless enough. The tradeoff here is that the wakeup source is fully determined by the platform configuration, instead of enable_irq_wake(). Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-03-05 02:16:29 -07:00
#endif /* __ASM_ARCH_MFP_PXA27X_H */
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