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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-13 03:28:08 (GMT) |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 07:13:12 (GMT) |
commit | 819833af39a91fa1c1e8252862bbda6f5a602f7b (patch) | |
tree | d5c9d1628643347ab2b5a8085acfa6f96709fda3 /include/asm-avr32/arch-common/portmux-pio.h | |
parent | 61f2b38a17f5b21c59f2afe6cf1cbb5f28638cf9 (diff) | |
download | u-boot-819833af39a91fa1c1e8252862bbda6f5a602f7b.tar.xz |
Move architecture-specific includes to arch/$ARCH/include/asm
This helps to clean up the include/ directory so that it only contains
non-architecture-specific headers and also matches Linux's directory
layout which many U-Boot developers are already familiar with.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'include/asm-avr32/arch-common/portmux-pio.h')
-rw-r--r-- | include/asm-avr32/arch-common/portmux-pio.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/include/asm-avr32/arch-common/portmux-pio.h b/include/asm-avr32/arch-common/portmux-pio.h deleted file mode 100644 index 1abe5be..0000000 --- a/include/asm-avr32/arch-common/portmux-pio.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright (C) 2006, 2008 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#ifndef __AVR32_PORTMUX_PIO_H__ -#define __AVR32_PORTMUX_PIO_H__ - -#include <asm/io.h> - -/* PIO register offsets */ -#define PIO_PER 0x0000 -#define PIO_PDR 0x0004 -#define PIO_PSR 0x0008 -#define PIO_OER 0x0010 -#define PIO_ODR 0x0014 -#define PIO_OSR 0x0018 -#define PIO_IFER 0x0020 -#define PIO_IFDR 0x0024 -#define PIO_ISFR 0x0028 -#define PIO_SODR 0x0030 -#define PIO_CODR 0x0034 -#define PIO_ODSR 0x0038 -#define PIO_PDSR 0x003c -#define PIO_IER 0x0040 -#define PIO_IDR 0x0044 -#define PIO_IMR 0x0048 -#define PIO_ISR 0x004c -#define PIO_MDER 0x0050 -#define PIO_MDDR 0x0054 -#define PIO_MDSR 0x0058 -#define PIO_PUDR 0x0060 -#define PIO_PUER 0x0064 -#define PIO_PUSR 0x0068 -#define PIO_ASR 0x0070 -#define PIO_BSR 0x0074 -#define PIO_ABSR 0x0078 -#define PIO_OWER 0x00a0 -#define PIO_OWDR 0x00a4 -#define PIO_OWSR 0x00a8 - -/* Hardware register access */ -#define pio_readl(base, reg) \ - __raw_readl((void *)base + PIO_##reg) -#define pio_writel(base, reg, value) \ - __raw_writel((value), (void *)base + PIO_##reg) - -/* Portmux API starts here. See doc/README.AVR32-port-muxing */ - -enum portmux_function { - PORTMUX_FUNC_A, - PORTMUX_FUNC_B, -}; - -/* Pull-down, buskeeper and drive strength are not supported */ -#define PORTMUX_DIR_INPUT (0 << 0) -#define PORTMUX_DIR_OUTPUT (1 << 0) -#define PORTMUX_INIT_LOW (0 << 1) -#define PORTMUX_INIT_HIGH (1 << 1) -#define PORTMUX_PULL_UP (1 << 2) -#define PORTMUX_PULL_DOWN (0) -#define PORTMUX_BUSKEEPER PORTMUX_PULL_UP -#define PORTMUX_DRIVE_MIN (0) -#define PORTMUX_DRIVE_LOW (0) -#define PORTMUX_DRIVE_HIGH (0) -#define PORTMUX_DRIVE_MAX (0) -#define PORTMUX_OPEN_DRAIN (1 << 3) - -void portmux_select_peripheral(void *port, unsigned long pin_mask, - enum portmux_function func, unsigned long flags); -void portmux_select_gpio(void *port, unsigned long pin_mask, - unsigned long flags); - -/* Internal helper functions */ - -static inline void __pio_set_output_value(void *port, unsigned int pin, - int value) -{ - /* - * value will usually be constant, but it's pretty cheap - * either way. - */ - if (value) - pio_writel(port, SODR, 1 << pin); - else - pio_writel(port, CODR, 1 << pin); -} - -static inline int __pio_get_input_value(void *port, unsigned int pin) -{ - return (pio_readl(port, PDSR) >> pin) & 1; -} - -void pio_set_output_value(unsigned int pin, int value); -int pio_get_input_value(unsigned int pin); - -/* GPIO API starts here */ - -/* - * GCC doesn't realize that the constant case is extremely trivial, - * so we need to help it make the right decision by using - * always_inline. - */ -__attribute__((always_inline)) -static inline void gpio_set_value(unsigned int pin, int value) -{ - if (__builtin_constant_p(pin)) - __pio_set_output_value(pio_pin_to_port(pin), pin & 0x1f, value); - else - pio_set_output_value(pin, value); -} - -__attribute__((always_inline)) -static inline int gpio_get_value(unsigned int pin) -{ - if (__builtin_constant_p(pin)) - return __pio_get_input_value(pio_pin_to_port(pin), pin & 0x1f); - else - return pio_get_input_value(pin); -} - -#endif /* __AVR32_PORTMUX_PIO_H__ */ |