From 9eac6d0a4e7e5149a7f86575b46d710ad2e05fe2 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Tue, 14 Dec 2010 12:54:03 +0100 Subject: ARM: Remove dependency of plat-orion GPIO code on mach directory includes. This patch makes the various mach dirs that use the plat-orion GPIO code pass in GPIO-related platform info (GPIO controller base address, secondary base IRQ number, etc) explicitly, instead of having plat-orion get those values by including a mach dir include file -- the latter mechanism is problematic if you want to support multiple ARM platforms in the same kernel image. Signed-off-by: Lennert Buytenhek Signed-off-by: Nicolas Pitre --- arch/arm/mach-kirkwood/include/mach/gpio.h | 29 -------------------------- arch/arm/mach-kirkwood/include/mach/kirkwood.h | 2 ++ arch/arm/mach-kirkwood/irq.c | 22 ++++++------------- arch/arm/mach-kirkwood/mpp.c | 3 --- 4 files changed, 8 insertions(+), 48 deletions(-) (limited to 'arch/arm/mach-kirkwood') diff --git a/arch/arm/mach-kirkwood/include/mach/gpio.h b/arch/arm/mach-kirkwood/include/mach/gpio.h index 81b335eb62ec..84f340b546c0 100644 --- a/arch/arm/mach-kirkwood/include/mach/gpio.h +++ b/arch/arm/mach-kirkwood/include/mach/gpio.h @@ -6,33 +6,4 @@ * warranty of any kind, whether express or implied. */ -#ifndef __ASM_ARCH_GPIO_H -#define __ASM_ARCH_GPIO_H - -#include #include -#include /* cansleep wrappers */ - -#define GPIO_MAX 50 -#define GPIO_OFF(pin) (((pin) >> 5) ? 0x0140 : 0x0100) -#define GPIO_OUT(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x00) -#define GPIO_IO_CONF(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x04) -#define GPIO_BLINK_EN(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x08) -#define GPIO_IN_POL(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x0c) -#define GPIO_DATA_IN(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x10) -#define GPIO_EDGE_CAUSE(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x14) -#define GPIO_EDGE_MASK(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x18) -#define GPIO_LEVEL_MASK(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x1c) - -static inline int gpio_to_irq(int pin) -{ - return pin + IRQ_KIRKWOOD_GPIO_START; -} - -static inline int irq_to_gpio(int irq) -{ - return irq - IRQ_KIRKWOOD_GPIO_START; -} - - -#endif diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h index 6e924b398919..010bdeb4ac5f 100644 --- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h +++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h @@ -69,6 +69,8 @@ #define DEV_BUS_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x10000) #define SAMPLE_AT_RESET (DEV_BUS_VIRT_BASE | 0x0030) #define DEVICE_ID (DEV_BUS_VIRT_BASE | 0x0034) +#define GPIO_LOW_VIRT_BASE (DEV_BUS_VIRT_BASE | 0x0100) +#define GPIO_HIGH_VIRT_BASE (DEV_BUS_VIRT_BASE | 0x0140) #define RTC_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x0300) #define SPI_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x0600) #define I2C_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x1000) diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c index 28020abf49e1..cbdb5863d13b 100644 --- a/arch/arm/mach-kirkwood/irq.c +++ b/arch/arm/mach-kirkwood/irq.c @@ -27,31 +27,21 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) void __init kirkwood_init_irq(void) { - int i; - orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF)); orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF)); /* - * Mask and clear GPIO IRQ interrupts. + * Initialize gpiolib for GPIOs 0-49. */ - writel(0, GPIO_LEVEL_MASK(0)); - writel(0, GPIO_EDGE_MASK(0)); - writel(0, GPIO_EDGE_CAUSE(0)); - writel(0, GPIO_LEVEL_MASK(32)); - writel(0, GPIO_EDGE_MASK(32)); - writel(0, GPIO_EDGE_CAUSE(32)); - - for (i = IRQ_KIRKWOOD_GPIO_START; i < NR_IRQS; i++) { - set_irq_chip(i, &orion_gpio_irq_chip); - set_irq_handler(i, handle_level_irq); - irq_desc[i].status |= IRQ_LEVEL; - set_irq_flags(i, IRQF_VALID); - } + orion_gpio_init(0, 32, GPIO_LOW_VIRT_BASE, 0, + IRQ_KIRKWOOD_GPIO_START); set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_0_7, gpio_irq_handler); set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_8_15, gpio_irq_handler); set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_16_23, gpio_irq_handler); set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_24_31, gpio_irq_handler); + + orion_gpio_init(32, 18, GPIO_HIGH_VIRT_BASE, 0, + IRQ_KIRKWOOD_GPIO_START + 32); set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_0_7, gpio_irq_handler); set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_8_15, gpio_irq_handler); set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_16_23, gpio_irq_handler); diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c index 27901f702feb..7ce201848067 100644 --- a/arch/arm/mach-kirkwood/mpp.c +++ b/arch/arm/mach-kirkwood/mpp.c @@ -49,9 +49,6 @@ void __init kirkwood_mpp_conf(unsigned int *mpp_list) if (!variant_mask) return; - /* Initialize gpiolib. */ - orion_gpio_init(); - printk(KERN_DEBUG "initial MPP regs:"); for (i = 0; i < MPP_NR_REGS; i++) { mpp_ctrl[i] = readl(MPP_CTRL(i)); -- cgit v1.2.2