diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-06-20 19:48:18 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-20 19:48:18 +0100 |
commit | 695a9d236a6fd5a60557a02eff612880c37fe731 (patch) | |
tree | 0ca809031f5f7139568914fe73ab5e244532aaf8 /include/asm-arm/arch-at91rm9200/pio.h | |
parent | c322e24b40b83bbdfa7c269bc0105e76a39e627f (diff) | |
parent | 55c20c0af7fe7d5d09af4addfafcfe3bdc500f5d (diff) |
Merge AT91 branch
Diffstat (limited to 'include/asm-arm/arch-at91rm9200/pio.h')
-rw-r--r-- | include/asm-arm/arch-at91rm9200/pio.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/include/asm-arm/arch-at91rm9200/pio.h b/include/asm-arm/arch-at91rm9200/pio.h deleted file mode 100644 index a89501b4a70..00000000000 --- a/include/asm-arm/arch-at91rm9200/pio.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * include/asm-arm/arch-at91rm9200/pio.h - * - * Copyright (C) 2003 SAN People - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - */ - -#ifndef __ASM_ARCH_PIO_H -#define __ASM_ARCH_PIO_H - -#include <asm/arch/hardware.h> - -static inline void AT91_CfgPIO_USART0(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA17_TXD0 | AT91_PA18_RXD0 | AT91_PA20_CTS0); - - /* - * Errata #39 - RTS0 is not internally connected to PA21. We need to drive - * the pin manually. Default is off (RTS is active low). - */ - at91_sys_write(AT91_PIOA + PIO_PER, AT91_PA21_RTS0); - at91_sys_write(AT91_PIOA + PIO_OER, AT91_PA21_RTS0); - at91_sys_write(AT91_PIOA + PIO_SODR, AT91_PA21_RTS0); -} - -static inline void AT91_CfgPIO_USART1(void) { - at91_sys_write(AT91_PIOB + PIO_PDR, AT91_PB18_RI1 | AT91_PB19_DTR1 - | AT91_PB20_TXD1 | AT91_PB21_RXD1 | AT91_PB23_DCD1 - | AT91_PB24_CTS1 | AT91_PB25_DSR1 | AT91_PB26_RTS1); -} - -static inline void AT91_CfgPIO_USART2(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA22_RXD2 | AT91_PA23_TXD2); -} - -static inline void AT91_CfgPIO_USART3(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA5_TXD3 | AT91_PA6_RXD3); - at91_sys_write(AT91_PIOA + PIO_BSR, AT91_PA5_TXD3 | AT91_PA6_RXD3); -} - -static inline void AT91_CfgPIO_DBGU(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA31_DTXD | AT91_PA30_DRXD); -} - -/* - * Enable the Two-Wire interface. - */ -static inline void AT91_CfgPIO_TWI(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA25_TWD | AT91_PA26_TWCK); - at91_sys_write(AT91_PIOA + PIO_ASR, AT91_PA25_TWD | AT91_PA26_TWCK); - at91_sys_write(AT91_PIOA + PIO_MDER, AT91_PA25_TWD | AT91_PA26_TWCK); /* open drain */ -} - -/* - * Enable the Serial Peripheral Interface. - */ -static inline void AT91_CfgPIO_SPI(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA0_MISO | AT91_PA1_MOSI | AT91_PA2_SPCK); -} - -static inline void AT91_CfgPIO_SPI_CS0(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA3_NPCS0); -} - -static inline void AT91_CfgPIO_SPI_CS1(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA4_NPCS1); -} - -static inline void AT91_CfgPIO_SPI_CS2(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA5_NPCS2); -} - -static inline void AT91_CfgPIO_SPI_CS3(void) { - at91_sys_write(AT91_PIOA + PIO_PDR, AT91_PA6_NPCS3); -} - -/* - * Select the DataFlash card. - */ -static inline void AT91_CfgPIO_DataFlashCard(void) { - at91_sys_write(AT91_PIOB + PIO_PER, AT91_PIO_P(7)); - at91_sys_write(AT91_PIOB + PIO_OER, AT91_PIO_P(7)); - at91_sys_write(AT91_PIOB + PIO_CODR, AT91_PIO_P(7)); -} - -/* - * Enable NAND Flash (SmartMedia) interface. - */ -static inline void AT91_CfgPIO_SmartMedia(void) { - /* enable PC0=SMCE, PC1=SMOE, PC3=SMWE, A21=CLE, A22=ALE */ - at91_sys_write(AT91_PIOC + PIO_ASR, AT91_PC0_BFCK | AT91_PC1_BFRDY_SMOE | AT91_PC3_BFBAA_SMWE); - at91_sys_write(AT91_PIOC + PIO_PDR, AT91_PC0_BFCK | AT91_PC1_BFRDY_SMOE | AT91_PC3_BFBAA_SMWE); - - /* Configure PC2 as input (signal READY of the SmartMedia) */ - at91_sys_write(AT91_PIOC + PIO_PER, AT91_PC2_BFAVD); /* enable direct output enable */ - at91_sys_write(AT91_PIOC + PIO_ODR, AT91_PC2_BFAVD); /* disable output */ - - /* Configure PB1 as input (signal Card Detect of the SmartMedia) */ - at91_sys_write(AT91_PIOB + PIO_PER, AT91_PIO_P(1)); /* enable direct output enable */ - at91_sys_write(AT91_PIOB + PIO_ODR, AT91_PIO_P(1)); /* disable output */ -} - -static inline int AT91_PIO_SmartMedia_RDY(void) { - return (at91_sys_read(AT91_PIOC + PIO_PDSR) & AT91_PIO_P(2)) ? 1 : 0; -} - -static inline int AT91_PIO_SmartMedia_CardDetect(void) { - return (at91_sys_read(AT91_PIOB + PIO_PDSR) & AT91_PIO_P(1)) ? 1 : 0; -} - -#endif |