From 5e2e95f520538e095d10456acd28d9107317aa32 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Mon, 15 Feb 2010 09:42:59 +0100 Subject: arm/imx/iomux-v1: rename source file and reorganize Kconfig stuff MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Uwe Kleine-König --- arch/arm/plat-mxc/Kconfig | 5 ++ arch/arm/plat-mxc/Makefile | 7 +- arch/arm/plat-mxc/iomux-mx1-mx2.c | 157 -------------------------------------- arch/arm/plat-mxc/iomux-v1.c | 156 +++++++++++++++++++++++++++++++++++++ 4 files changed, 165 insertions(+), 160 deletions(-) delete mode 100644 arch/arm/plat-mxc/iomux-mx1-mx2.c create mode 100644 arch/arm/plat-mxc/iomux-v1.c diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index 9c8d4e70c17..6debae2c798 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -9,12 +9,14 @@ choice 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 @@ -68,6 +70,9 @@ config MXC_ULPI config ARCH_HAS_RNGA bool +config IMX_HAVE_IOMUX_V1 + bool + config ARCH_MXC_IOMUX_V3 bool diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile index 4074c1847b4..41d31762bca 100644 --- a/arch/arm/plat-mxc/Makefile +++ b/arch/arm/plat-mxc/Makefile @@ -5,9 +5,10 @@ # 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 diff --git a/arch/arm/plat-mxc/iomux-mx1-mx2.c b/arch/arm/plat-mxc/iomux-mx1-mx2.c deleted file mode 100644 index a37163ce280..00000000000 --- a/arch/arm/plat-mxc/iomux-mx1-mx2.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * 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 -#include -#include -#include -#include -#include - -#include -#include -#include - -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); - diff --git a/arch/arm/plat-mxc/iomux-v1.c b/arch/arm/plat-mxc/iomux-v1.c new file mode 100644 index 00000000000..0b745686b37 --- /dev/null +++ b/arch/arm/plat-mxc/iomux-v1.c @@ -0,0 +1,156 @@ +/* + * 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 +#include +#include +#include +#include +#include + +#include +#include +#include + +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); -- cgit v1.2.3