config ARCH_MX1
bool "MX1-based"
select CPU_ARM920T
+ select IMX_HAVE_IOMUX_V1
help
This enables support for systems based on the Freescale i.MX1 family
config ARCH_MX2
bool "MX2-based"
select CPU_ARM926T
+ select IMX_HAVE_IOMUX_V1
help
This enables support for systems based on the Freescale i.MX2 family
config ARCH_HAS_RNGA
bool
+config IMX_HAVE_IOMUX_V1
+ bool
+
config ARCH_MXC_IOMUX_V3
bool
# Common support
obj-y := irq.o clock.o gpio.o time.o devices.o cpu.o system.o
-obj-$(CONFIG_ARCH_MX1) += iomux-mx1-mx2.o dma-mx1-mx2.o
-obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o
-CFLAGS_iomux-mx1-mx2.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS
+obj-$(CONFIG_ARCH_MX1) += dma-mx1-mx2.o
+obj-$(CONFIG_ARCH_MX2) += dma-mx1-mx2.o
+obj-$(CONFIG_IMX_HAVE_IOMUX_V1) += iomux-v1.o
+CFLAGS_iomux-v1.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS
obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o
obj-$(CONFIG_MXC_PWM) += pwm.o
obj-$(CONFIG_USB_EHCI_MXC) += ehci.o
+++ /dev/null
-/*
- * arch/arm/mach-mxc/generic.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 <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/gpio.h>
-
-#include <mach/hardware.h>
-#include <asm/mach/map.h>
-#include <mach/iomux.h>
-
-void mxc_gpio_mode(int gpio_mode)
-{
- unsigned int pin = gpio_mode & GPIO_PIN_MASK;
- unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
- unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
- unsigned int tmp;
-
- /* Pullup enable */
- tmp = __raw_readl(VA_GPIO_BASE + MXC_PUEN(port));
- if (gpio_mode & GPIO_PUEN)
- tmp |= (1 << pin);
- else
- tmp &= ~(1 << pin);
- __raw_writel(tmp, VA_GPIO_BASE + MXC_PUEN(port));
-
- /* Data direction */
- tmp = __raw_readl(VA_GPIO_BASE + MXC_DDIR(port));
- if (gpio_mode & GPIO_OUT)
- tmp |= 1 << pin;
- else
- tmp &= ~(1 << pin);
- __raw_writel(tmp, VA_GPIO_BASE + MXC_DDIR(port));
-
- /* Primary / alternate function */
- tmp = __raw_readl(VA_GPIO_BASE + MXC_GPR(port));
- if (gpio_mode & GPIO_AF)
- tmp |= (1 << pin);
- else
- tmp &= ~(1 << pin);
- __raw_writel(tmp, VA_GPIO_BASE + MXC_GPR(port));
-
- /* use as gpio? */
- tmp = __raw_readl(VA_GPIO_BASE + MXC_GIUS(port));
- if (gpio_mode & (GPIO_PF | GPIO_AF))
- tmp &= ~(1 << pin);
- else
- tmp |= (1 << pin);
- __raw_writel(tmp, VA_GPIO_BASE + MXC_GIUS(port));
-
- if (pin < 16) {
- tmp = __raw_readl(VA_GPIO_BASE + MXC_OCR1(port));
- tmp &= ~(3 << (pin * 2));
- tmp |= (ocr << (pin * 2));
- __raw_writel(tmp, VA_GPIO_BASE + MXC_OCR1(port));
-
- tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFA1(port));
- tmp &= ~(3 << (pin * 2));
- tmp |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
- __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFA1(port));
-
- tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFB1(port));
- tmp &= ~(3 << (pin * 2));
- tmp |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
- __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFB1(port));
- } else {
- pin -= 16;
-
- tmp = __raw_readl(VA_GPIO_BASE + MXC_OCR2(port));
- tmp &= ~(3 << (pin * 2));
- tmp |= (ocr << (pin * 2));
- __raw_writel(tmp, VA_GPIO_BASE + MXC_OCR2(port));
-
- tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFA2(port));
- tmp &= ~(3 << (pin * 2));
- tmp |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
- __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFA2(port));
-
- tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFB2(port));
- tmp &= ~(3 << (pin * 2));
- tmp |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
- __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFB2(port));
- }
-}
-EXPORT_SYMBOL(mxc_gpio_mode);
-
-int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
- const char *label)
-{
- const int *p = pin_list;
- int i;
- unsigned gpio;
- unsigned mode;
- int ret = -EINVAL;
-
- for (i = 0; i < count; i++) {
- gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
- mode = *p & ~(GPIO_PIN_MASK | GPIO_PORT_MASK);
-
- if (gpio >= (GPIO_PORT_MAX + 1) * 32)
- goto setup_error;
-
- ret = gpio_request(gpio, label);
- if (ret)
- goto setup_error;
-
- mxc_gpio_mode(gpio | mode);
-
- p++;
- }
- return 0;
-
-setup_error:
- mxc_gpio_release_multiple_pins(pin_list, i);
- return ret;
-}
-EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
-
-void mxc_gpio_release_multiple_pins(const int *pin_list, int count)
-{
- const int *p = pin_list;
- int i;
-
- for (i = 0; i < count; i++) {
- unsigned gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
- gpio_free(gpio);
- p++;
- }
-
-}
-EXPORT_SYMBOL(mxc_gpio_release_multiple_pins);
-
--- /dev/null
+/*
+ * arch/arm/plat-mxc/iomux-v1.c
+ *
+ * author: Sascha Hauer
+ * Created: april 20th, 2004
+ * Copyright: Synertronixx GmbH
+ *
+ * Common code for i.MX1, i.MX21 and i.MX27
+ *
+ * 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 <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/mach/map.h>
+#include <mach/iomux.h>
+
+void mxc_gpio_mode(int gpio_mode)
+{
+ unsigned int pin = gpio_mode & GPIO_PIN_MASK;
+ unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
+ unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
+ unsigned int tmp;
+
+ /* Pullup enable */
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_PUEN(port));
+ if (gpio_mode & GPIO_PUEN)
+ tmp |= (1 << pin);
+ else
+ tmp &= ~(1 << pin);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_PUEN(port));
+
+ /* Data direction */
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_DDIR(port));
+ if (gpio_mode & GPIO_OUT)
+ tmp |= 1 << pin;
+ else
+ tmp &= ~(1 << pin);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_DDIR(port));
+
+ /* Primary / alternate function */
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_GPR(port));
+ if (gpio_mode & GPIO_AF)
+ tmp |= (1 << pin);
+ else
+ tmp &= ~(1 << pin);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_GPR(port));
+
+ /* use as gpio? */
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_GIUS(port));
+ if (gpio_mode & (GPIO_PF | GPIO_AF))
+ tmp &= ~(1 << pin);
+ else
+ tmp |= (1 << pin);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_GIUS(port));
+
+ if (pin < 16) {
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_OCR1(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= (ocr << (pin * 2));
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_OCR1(port));
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFA1(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFA1(port));
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFB1(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFB1(port));
+ } else {
+ pin -= 16;
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_OCR2(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= (ocr << (pin * 2));
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_OCR2(port));
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFA2(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFA2(port));
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFB2(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFB2(port));
+ }
+}
+EXPORT_SYMBOL(mxc_gpio_mode);
+
+int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
+ const char *label)
+{
+ const int *p = pin_list;
+ int i;
+ unsigned gpio;
+ unsigned mode;
+ int ret = -EINVAL;
+
+ for (i = 0; i < count; i++) {
+ gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
+ mode = *p & ~(GPIO_PIN_MASK | GPIO_PORT_MASK);
+
+ if (gpio >= (GPIO_PORT_MAX + 1) * 32)
+ goto setup_error;
+
+ ret = gpio_request(gpio, label);
+ if (ret)
+ goto setup_error;
+
+ mxc_gpio_mode(gpio | mode);
+
+ p++;
+ }
+ return 0;
+
+setup_error:
+ mxc_gpio_release_multiple_pins(pin_list, i);
+ return ret;
+}
+EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
+
+void mxc_gpio_release_multiple_pins(const int *pin_list, int count)
+{
+ const int *p = pin_list;
+ int i;
+
+ for (i = 0; i < count; i++) {
+ unsigned gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
+ gpio_free(gpio);
+ p++;
+ }
+
+}
+EXPORT_SYMBOL(mxc_gpio_release_multiple_pins);
projects / deliverable / linux.git / commitdiff
