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Diffstat (limited to 'cpu/arm926ejs/nomadik/gpio.c')
-rw-r--r--cpu/arm926ejs/nomadik/gpio.c99
1 files changed, 0 insertions, 99 deletions
diff --git a/cpu/arm926ejs/nomadik/gpio.c b/cpu/arm926ejs/nomadik/gpio.c
deleted file mode 100644
index 62a375b..0000000
--- a/cpu/arm926ejs/nomadik/gpio.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * (C) Copyright 2009 Alessandro Rubini
- *
- * 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
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/gpio.h>
-
-static unsigned long gpio_base[4] = {
- NOMADIK_GPIO0_BASE,
- NOMADIK_GPIO1_BASE,
- NOMADIK_GPIO2_BASE,
- NOMADIK_GPIO3_BASE
-};
-
-enum gpio_registers {
- GPIO_DAT = 0x00, /* data register */
- GPIO_DATS = 0x04, /* data set */
- GPIO_DATC = 0x08, /* data clear */
- GPIO_PDIS = 0x0c, /* pull disable */
- GPIO_DIR = 0x10, /* direction */
- GPIO_DIRS = 0x14, /* direction set */
- GPIO_DIRC = 0x18, /* direction clear */
- GPIO_AFSLA = 0x20, /* alternate function select A */
- GPIO_AFSLB = 0x24, /* alternate function select B */
-};
-
-static inline unsigned long gpio_to_base(int gpio)
-{
- return gpio_base[gpio / 32];
-}
-
-static inline u32 gpio_to_bit(int gpio)
-{
- return 1 << (gpio & 0x1f);
-}
-
-void nmk_gpio_af(int gpio, int alternate_function)
-{
- unsigned long base = gpio_to_base(gpio);
- u32 bit = gpio_to_bit(gpio);
- u32 afunc, bfunc;
-
- /* alternate function is 0..3, with one bit per register */
- afunc = readl(base + GPIO_AFSLA) & ~bit;
- bfunc = readl(base + GPIO_AFSLB) & ~bit;
- if (alternate_function & 1) afunc |= bit;
- if (alternate_function & 2) bfunc |= bit;
- writel(afunc, base + GPIO_AFSLA);
- writel(bfunc, base + GPIO_AFSLB);
-}
-
-void nmk_gpio_dir(int gpio, int dir)
-{
- unsigned long base = gpio_to_base(gpio);
- u32 bit = gpio_to_bit(gpio);
-
- if (dir)
- writel(bit, base + GPIO_DIRS);
- else
- writel(bit, base + GPIO_DIRC);
-}
-
-void nmk_gpio_set(int gpio, int val)
-{
- unsigned long base = gpio_to_base(gpio);
- u32 bit = gpio_to_bit(gpio);
-
- if (val)
- writel(bit, base + GPIO_DATS);
- else
- writel(bit, base + GPIO_DATC);
-}
-
-int nmk_gpio_get(int gpio)
-{
- unsigned long base = gpio_to_base(gpio);
- u32 bit = gpio_to_bit(gpio);
-
- return readl(base + GPIO_DAT) & bit;
-}