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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2007-07-05 18:02:15 +0200 |
|---|---|---|
| committer | Sascha Hauer <sha@octopus.labnet.pengutronix.de> | 2007-07-05 18:02:15 +0200 |
| commit | 231e867072671479534007b77ae2db54308abc3c (patch) | |
| tree | f1908a66168c76ff6dd4d1e8761a450a81d4de23 /cpu | |
| parent | 875827e3413b2f754f579e7fe29370f6bdc5306f (diff) | |
| download | barebox-231e867072671479534007b77ae2db54308abc3c.tar.gz barebox-231e867072671479534007b77ae2db54308abc3c.tar.xz | |
svn_rev_667
move gpio.c
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/arm920t/gpio.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/cpu/arm920t/gpio.c b/cpu/arm920t/gpio.c deleted file mode 100644 index 8b1cfcbb6d..0000000000 --- a/cpu/arm920t/gpio.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * arch/arm/mach-imx/gpio.c - * - * author: Sascha Hauer - * Created: april 20th, 2004 - * Copyright: Synertronixx GmbH - * - * Common code for i.MX machines - * - * 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 - * - */ - -#include <common.h> -#include <asm/arch/imx-regs.h> - -void imx_gpio_mode(int gpio_mode) -{ - unsigned int pin = gpio_mode & GPIO_PIN_MASK; - unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> 5; - unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> 10; - unsigned int tmp; - - /* Pullup enable */ - if(gpio_mode & GPIO_PUEN) - PUEN(port) |= (1<<pin); - else - PUEN(port) &= ~(1<<pin); - - /* Data direction */ - if(gpio_mode & GPIO_OUT) - DDIR(port) |= 1<<pin; - else - DDIR(port) &= ~(1<<pin); - - /* Primary / alternate function */ - if(gpio_mode & GPIO_AF) - GPR(port) |= (1<<pin); - else - GPR(port) &= ~(1<<pin); - - /* use as gpio? */ - if( ocr == 3 ) - GIUS(port) |= (1<<pin); - else - GIUS(port) &= ~(1<<pin); - - /* Output / input configuration */ - /* FIXME: I'm not very sure about OCR and ICONF, someone - * should have a look over it - */ - if(pin<16) { - tmp = OCR1(port); - tmp &= ~( 3<<(pin*2)); - tmp |= (ocr << (pin*2)); - OCR1(port) = tmp; - - if( gpio_mode & GPIO_AOUT ) - ICONFA1(port) &= ~( 3<<(pin*2)); - if( gpio_mode & GPIO_BOUT ) - ICONFB1(port) &= ~( 3<<(pin*2)); - } else { - tmp = OCR2(port); - tmp &= ~( 3<<((pin-16)*2)); - tmp |= (ocr << ((pin-16)*2)); - OCR2(port) = tmp; - - if( gpio_mode & GPIO_AOUT ) - ICONFA2(port) &= ~( 3<<((pin-16)*2)); - if( gpio_mode & GPIO_BOUT ) - ICONFB2(port) &= ~( 3<<((pin-16)*2)); - } - -} - |