diff options
22 files changed, 78 insertions, 81 deletions
diff --git a/arch/arm/mach-mx1/devices.c b/arch/arm/mach-mx1/devices.c index ad4679b..686d8d2 100644 --- a/arch/arm/mach-mx1/devices.c +++ b/arch/arm/mach-mx1/devices.c @@ -232,25 +232,25 @@ static struct mxc_gpio_port imx_gpio_ports[] = { .chip.label = "gpio-0", .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR), .irq = GPIO_INT_PORTA, - .virtual_irq_start = MXC_MAX_INT_LINES + .virtual_irq_start = MXC_GPIO_IRQ_START }, [1] = { .chip.label = "gpio-1", .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x100), .irq = GPIO_INT_PORTB, - .virtual_irq_start = MXC_MAX_INT_LINES + 32 + .virtual_irq_start = MXC_GPIO_IRQ_START + 32 }, [2] = { .chip.label = "gpio-2", .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x200), .irq = GPIO_INT_PORTC, - .virtual_irq_start = MXC_MAX_INT_LINES + 64 + .virtual_irq_start = MXC_GPIO_IRQ_START + 64 }, [3] = { .chip.label = "gpio-3", .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x300), .irq = GPIO_INT_PORTD, - .virtual_irq_start = MXC_MAX_INT_LINES + 96 + .virtual_irq_start = MXC_GPIO_IRQ_START + 96 } }; diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c index 0bad865..af121f5 100644 --- a/arch/arm/mach-mx2/devices.c +++ b/arch/arm/mach-mx2/devices.c @@ -230,32 +230,32 @@ static struct mxc_gpio_port imx_gpio_ports[] = { .chip.label = "gpio-0", .irq = MXC_INT_GPIO, .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 0), - .virtual_irq_start = MXC_MAX_INT_LINES, + .virtual_irq_start = MXC_GPIO_IRQ_START, }, [1] = { .chip.label = "gpio-1", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 1), - .virtual_irq_start = MXC_MAX_INT_LINES + 32, + .virtual_irq_start = MXC_GPIO_IRQ_START + 32, }, [2] = { .chip.label = "gpio-2", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 2), - .virtual_irq_start = MXC_MAX_INT_LINES + 64, + .virtual_irq_start = MXC_GPIO_IRQ_START + 64, }, [3] = { .chip.label = "gpio-3", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 3), - .virtual_irq_start = MXC_MAX_INT_LINES + 96, + .virtual_irq_start = MXC_GPIO_IRQ_START + 96, }, [4] = { .chip.label = "gpio-4", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 4), - .virtual_irq_start = MXC_MAX_INT_LINES + 128, + .virtual_irq_start = MXC_GPIO_IRQ_START + 128, }, [5] = { .chip.label = "gpio-5", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 5), - .virtual_irq_start = MXC_MAX_INT_LINES + 160, + .virtual_irq_start = MXC_GPIO_IRQ_START + 160, } }; diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c index a064976..2b5c67f 100644 --- a/arch/arm/mach-mx2/mx27ads.c +++ b/arch/arm/mach-mx2/mx27ads.c @@ -93,7 +93,7 @@ static int uart_mxc_port1_init(struct platform_device *pdev) static int uart_mxc_port1_exit(struct platform_device *pdev) { - mxc_gpio_setup_release_pins(mxc_uart1_pins, + mxc_gpio_release_multiple_pins(mxc_uart1_pins, ARRAY_SIZE(mxc_uart1_pins)); return 0; } diff --git a/arch/arm/mach-mx3/clock.c b/arch/arm/mach-mx3/clock.c index 9f14a87..b1746aa 100644 --- a/arch/arm/mach-mx3/clock.c +++ b/arch/arm/mach-mx3/clock.c @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/io.h> #include <mach/clock.h> +#include <mach/hardware.h> #include <asm/div64.h> #include "crm_regs.h" diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c index 3e61ff4..1d46cb4 100644 --- a/arch/arm/mach-mx3/devices.c +++ b/arch/arm/mach-mx3/devices.c @@ -125,19 +125,19 @@ static struct mxc_gpio_port imx_gpio_ports[] = { .chip.label = "gpio-0", .base = IO_ADDRESS(GPIO1_BASE_ADDR), .irq = MXC_INT_GPIO1, - .virtual_irq_start = MXC_GPIO_INT_BASE + .virtual_irq_start = MXC_GPIO_IRQ_START, }, [1] = { .chip.label = "gpio-1", .base = IO_ADDRESS(GPIO2_BASE_ADDR), .irq = MXC_INT_GPIO2, - .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN + .virtual_irq_start = MXC_GPIO_IRQ_START + 32, }, [2] = { .chip.label = "gpio-2", .base = IO_ADDRESS(GPIO3_BASE_ADDR), .irq = MXC_INT_GPIO3, - .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2 + .virtual_irq_start = MXC_GPIO_IRQ_START + 64, } }; diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index 16cb07cd..9cc2b16 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -8,6 +8,7 @@ choice config ARCH_MX1 bool "MX1-based" + select CPU_ARM920T help This enables support for systems based on the Freescale i.MX1 family diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c index e1c2eb4..2905ec7 100644 --- a/arch/arm/plat-mxc/dma-mx1-mx2.c +++ b/arch/arm/plat-mxc/dma-mx1-mx2.c @@ -511,6 +511,7 @@ void imx_dma_disable(int channel) } EXPORT_SYMBOL(imx_dma_disable); +#ifdef CONFIG_ARCH_MX2 static void imx_dma_watchdog(unsigned long chno) { struct imx_dma_channel *imxdma = &imx_dma_channels[chno]; @@ -522,6 +523,7 @@ static void imx_dma_watchdog(unsigned long chno) if (imxdma->err_handler) imxdma->err_handler(chno, imxdma->data, IMX_DMA_ERR_TIMEOUT); } +#endif static irqreturn_t dma_err_handler(int irq, void *dev_id) { @@ -674,7 +676,7 @@ int imx_dma_request(int channel, const char *name) { struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; unsigned long flags; - int ret; + int ret = 0; /* basic sanity checks */ if (!name) @@ -696,6 +698,7 @@ int imx_dma_request(int channel, const char *name) ret = request_irq(MXC_INT_DMACH0 + channel, dma_irq_handler, 0, "DMA", NULL); if (ret) { + local_irq_restore(flags); printk(KERN_CRIT "Can't register IRQ %d for DMA channel %d\n", MXC_INT_DMACH0 + channel, channel); return ret; @@ -712,7 +715,7 @@ int imx_dma_request(int channel, const char *name) imxdma->sg = NULL; local_irq_restore(flags); - return 0; + return ret; } EXPORT_SYMBOL(imx_dma_request); diff --git a/arch/arm/plat-mxc/include/mach/board-mx27ads.h b/arch/arm/plat-mxc/include/mach/board-mx27ads.h index 0c748a8..8f34a05 100644 --- a/arch/arm/plat-mxc/include/mach/board-mx27ads.h +++ b/arch/arm/plat-mxc/include/mach/board-mx27ads.h @@ -15,7 +15,7 @@ #define __ASM_ARCH_MXC_BOARD_MX27ADS_H__ /* external interrupt multiplexer */ -#define MXC_EXP_IO_BASE (MXC_GPIO_BASE + MXC_MAX_GPIO_LINES) +#define MXC_EXP_IO_BASE (MXC_BOARD_IRQ_START) #define MXC_VIRTUAL_INTS_BASE (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES) #define MXC_SDIO1_CARD_IRQ MXC_VIRTUAL_INTS_BASE diff --git a/arch/arm/plat-mxc/include/mach/board-mx31ads.h b/arch/arm/plat-mxc/include/mach/board-mx31ads.h index 745b488..451d510 100644 --- a/arch/arm/plat-mxc/include/mach/board-mx31ads.h +++ b/arch/arm/plat-mxc/include/mach/board-mx31ads.h @@ -90,7 +90,7 @@ #define PBC_INTMASK_CLEAR_REG (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS) #define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_4) -#define MXC_EXP_IO_BASE (MXC_MAX_INT_LINES + MXC_MAX_GPIO_LINES) +#define MXC_EXP_IO_BASE (MXC_BOARD_IRQ_START) #define MXC_IRQ_TO_EXPIO(irq) ((irq) - MXC_EXP_IO_BASE) #define EXPIO_INT_LOW_BAT (MXC_EXP_IO_BASE + 0) diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S index 1163202..5f01d60 100644 --- a/arch/arm/plat-mxc/include/mach/entry-macro.S +++ b/arch/arm/plat-mxc/include/mach/entry-macro.S @@ -9,6 +9,8 @@ * published by the Free Software Foundation. */ +#include <mach/hardware.h> + #define AVIC_NIMASK 0x04 @ this macro disables fast irq (not implemented) diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h index 65eedc0..ea509f1 100644 --- a/arch/arm/plat-mxc/include/mach/gpio.h +++ b/arch/arm/plat-mxc/include/mach/gpio.h @@ -27,8 +27,8 @@ #define gpio_set_value __gpio_set_value #define gpio_cansleep __gpio_cansleep -#define gpio_to_irq(gpio) (MXC_MAX_INT_LINES + (gpio)) -#define irq_to_gpio(irq) ((irq) - MXC_MAX_INT_LINES) +#define gpio_to_irq(gpio) (MXC_GPIO_IRQ_START + (gpio)) +#define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START) struct mxc_gpio_port { void __iomem *base; diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h index c0cb267..b4f2de7 100644 --- a/arch/arm/plat-mxc/include/mach/io.h +++ b/arch/arm/plat-mxc/include/mach/io.h @@ -25,8 +25,8 @@ __mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) /* Access all peripherals below 0x80000000 as nonshared device * but leave l2cc alone. */ - if ((phys_addr < 0x80000000) && ((phys_addr < L2CC_BASE_ADDR) || - (phys_addr >= L2CC_BASE_ADDR + L2CC_SIZE))) + if ((phys_addr < 0x80000000) && ((phys_addr < 0x30000000) || + (phys_addr >= 0x30000000 + SZ_1M))) mtype = MT_DEVICE_NONSHARED; } diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h b/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h index 60b3c9b..95a383b 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h +++ b/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h @@ -405,9 +405,9 @@ extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count); #endif /* decode irq number to use with IMR(x), ISR(x) and friends */ -#define IRQ_TO_REG(irq) ((irq - MXC_MAX_INT_LINES) >> 5) +#define IRQ_TO_REG(irq) ((irq - MXC_INTERNAL_IRQS) >> 5) -#define IRQ_GPIOA(x) (MXC_MAX_INT_LINES + x) +#define IRQ_GPIOA(x) (MXC_GPIO_IRQ_START + x) #define IRQ_GPIOB(x) (IRQ_GPIOA(32) + x) #define IRQ_GPIOC(x) (IRQ_GPIOB(32) + x) #define IRQ_GPIOD(x) (IRQ_GPIOC(32) + x) diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx3.h b/arch/arm/plat-mxc/include/mach/iomux-mx3.h index 20e5c4c..c9198c0 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-mx3.h +++ b/arch/arm/plat-mxc/include/mach/iomux-mx3.h @@ -141,7 +141,7 @@ void mxc_iomux_set_gpr(enum iomux_gp_func, bool); ((iomux_pin & IOMUX_GPIONUM_MASK) >> IOMUX_GPIONUM_SHIFT) #define IOMUX_TO_IRQ(iomux_pin) \ (((iomux_pin & IOMUX_GPIONUM_MASK) >> IOMUX_GPIONUM_SHIFT) + \ - MXC_GPIO_INT_BASE) + MXC_GPIO_IRQ_START) /* * This enumeration is constructed based on the Section diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h index b8ac916..e06d3cb 100644 --- a/arch/arm/plat-mxc/include/mach/irqs.h +++ b/arch/arm/plat-mxc/include/mach/irqs.h @@ -11,7 +11,32 @@ #ifndef __ASM_ARCH_MXC_IRQS_H__ #define __ASM_ARCH_MXC_IRQS_H__ -#include <mach/hardware.h> +/* + * So far all i.MX SoCs have 64 internal interrupts + */ +#define MXC_INTERNAL_IRQS 64 + +#define MXC_GPIO_IRQ_START MXC_INTERNAL_IRQS + +#if defined CONFIG_ARCH_MX1 +#define MXC_GPIO_IRQS (32 * 4) +#elif defined CONFIG_ARCH_MX2 +#define MXC_GPIO_IRQS (32 * 6) +#elif defined CONFIG_ARCH_MX3 +#define MXC_GPIO_IRQS (32 * 3) +#endif + +/* + * The next 16 interrupts are for board specific purposes. Since + * the kernel can only run on one machine at a time, we can re-use + * these. If you need more, increase MXC_BOARD_IRQS, but keep it + * within sensible limits. + */ +#define MXC_BOARD_IRQ_START (MXC_INTERNAL_IRQS + MXC_GPIO_IRQS) +#define MXC_BOARD_IRQS 16 + +#define NR_IRQS (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS) + extern void imx_irq_set_priority(unsigned char irq, unsigned char prio); /* all normal IRQs can be FIQs */ diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h index 203688e..0b80839 100644 --- a/arch/arm/plat-mxc/include/mach/memory.h +++ b/arch/arm/plat-mxc/include/mach/memory.h @@ -11,6 +11,12 @@ #ifndef __ASM_ARCH_MXC_MEMORY_H__ #define __ASM_ARCH_MXC_MEMORY_H__ -#include <mach/hardware.h> +#if defined CONFIG_ARCH_MX1 +#define PHYS_OFFSET UL(0x08000000) +#elif defined CONFIG_ARCH_MX2 +#define PHYS_OFFSET UL(0xA0000000) +#elif defined CONFIG_ARCH_MX3 +#define PHYS_OFFSET UL(0x80000000) +#endif #endif /* __ASM_ARCH_MXC_MEMORY_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/mx1.h b/arch/arm/plat-mxc/include/mach/mx1.h index e7f6d00..b92e023 100644 --- a/arch/arm/plat-mxc/include/mach/mx1.h +++ b/arch/arm/plat-mxc/include/mach/mx1.h @@ -19,13 +19,6 @@ #include <mach/vmalloc.h> /* - * defines the hardware clock tick rate - */ -#define CLOCK_TICK_RATE 16000000 - -#define PHYS_OFFSET UL(0x08000000) - -/* * Memory map */ #define IMX_IO_PHYS 0x00200000 @@ -145,10 +138,6 @@ #define GPIO_INT_PORTD 62 #define WDT_INT 63 -#define MXC_MAX_INT_LINES 64 - -#define NR_IRQS 256 - /* gpio and gpio based interrupt handling */ #define GPIO_DR 0x1C #define GPIO_GDIR 0x00 diff --git a/arch/arm/plat-mxc/include/mach/mx27.h b/arch/arm/plat-mxc/include/mach/mx27.h index aade46d..0313be7 100644 --- a/arch/arm/plat-mxc/include/mach/mx27.h +++ b/arch/arm/plat-mxc/include/mach/mx27.h @@ -289,16 +289,4 @@ extern int mx27_revision(void); /* this CPU supports up to 192 GPIOs (don't forget the baseboard!) */ #define ARCH_NR_GPIOS (192 + 16) -/* OS clock tick rate */ -#define CLOCK_TICK_RATE 13300000 - -/* Start of RAM */ -#define PHYS_OFFSET SDRAM_BASE_ADDR - -/* max interrupt lines count */ -#define NR_IRQS 256 - -/* count of internal interrupt sources */ -#define MXC_MAX_INT_LINES 64 - #endif /* __ASM_ARCH_MXC_MX27_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/mx31.h b/arch/arm/plat-mxc/include/mach/mx31.h index 0536f89..de02665 100644 --- a/arch/arm/plat-mxc/include/mach/mx31.h +++ b/arch/arm/plat-mxc/include/mach/mx31.h @@ -15,11 +15,6 @@ #error "Do not include directly." #endif -/*! - * defines the hardware clock tick rate - */ -#define CLOCK_TICK_RATE 16625000 - /* * MX31 memory map: * @@ -244,9 +239,6 @@ #define PCMCIA_IO_ADDRESS(x) \ (((x) - X_MEMC_BASE_ADDR) + X_MEMC_BASE_ADDR_VIRT) -/* Start of physical RAM - On many MX31 platforms, this is the first SDRAM bank (CSD0) */ -#define PHYS_OFFSET CSD0_BASE_ADDR - /* * Interrupt numbers */ @@ -315,23 +307,6 @@ #define MXC_INT_EXT_WDOG 62 #define MXC_INT_EXT_TV 63 -#define MXC_MAX_INT_LINES 64 - -#define MXC_GPIO_INT_BASE MXC_MAX_INT_LINES -#define MXC_MAX_GPIO_LINES (GPIO_NUM_PIN * GPIO_PORT_NUM) -#define MXC_MAX_VIRTUAL_INTS 16 - -#define NR_IRQS (MXC_MAX_INT_LINES + MXC_MAX_GPIO_LINES + MXC_MAX_VIRTUAL_INTS) - -/*! - * Number of GPIO port as defined in the IC Spec - */ -#define GPIO_PORT_NUM 3 -/*! - * Number of GPIO pins per port - */ -#define GPIO_NUM_PIN 32 - #define PROD_SIGNATURE 0x1 /* For MX31 */ /* silicon revisions specific to i.MX31 */ diff --git a/arch/arm/plat-mxc/include/mach/timex.h b/arch/arm/plat-mxc/include/mach/timex.h index 0b0af02..07b4a73 100644 --- a/arch/arm/plat-mxc/include/mach/timex.h +++ b/arch/arm/plat-mxc/include/mach/timex.h @@ -20,6 +20,12 @@ #ifndef __ASM_ARCH_MXC_TIMEX_H__ #define __ASM_ARCH_MXC_TIMEX_H__ -#include <mach/hardware.h> /* for CLOCK_TICK_RATE */ +#if defined CONFIG_ARCH_MX1 +#define CLOCK_TICK_RATE 16000000 +#elif defined CONFIG_ARCH_MX2 +#define CLOCK_TICK_RATE 13300000 +#elif defined CONFIG_ARCH_MX3 +#define CLOCK_TICK_RATE 16625000 +#endif #endif /* __ASM_ARCH_MXC_TIMEX_H__ */ diff --git a/arch/arm/plat-mxc/irq.c b/arch/arm/plat-mxc/irq.c index e937c87..6e7578a 100644 --- a/arch/arm/plat-mxc/irq.c +++ b/arch/arm/plat-mxc/irq.c @@ -22,6 +22,7 @@ #include <linux/io.h> #include <mach/common.h> #include <asm/mach/irq.h> +#include <mach/hardware.h> #define AVIC_BASE IO_ADDRESS(AVIC_BASE_ADDR) #define AVIC_INTCNTL (AVIC_BASE + 0x00) /* int control reg */ @@ -72,14 +73,14 @@ int mxc_set_irq_fiq(unsigned int irq, unsigned int type) { unsigned int irqt; - if (irq >= MXC_MAX_INT_LINES) + if (irq >= MXC_INTERNAL_IRQS) return -EINVAL; - if (irq < MXC_MAX_INT_LINES / 2) { + if (irq < MXC_INTERNAL_IRQS / 2) { irqt = __raw_readl(AVIC_INTTYPEL) & ~(1 << irq); __raw_writel(irqt | (!!type << irq), AVIC_INTTYPEL); } else { - irq -= MXC_MAX_INT_LINES / 2; + irq -= MXC_INTERNAL_IRQS / 2; irqt = __raw_readl(AVIC_INTTYPEH) & ~(1 << irq); __raw_writel(irqt | (!!type << irq), AVIC_INTTYPEH); } @@ -129,7 +130,7 @@ void __init mxc_init_irq(void) /* all IRQ no FIQ */ __raw_writel(0, AVIC_INTTYPEH); __raw_writel(0, AVIC_INTTYPEL); - for (i = 0; i < MXC_MAX_INT_LINES; i++) { + for (i = 0; i < MXC_INTERNAL_IRQS; i++) { set_irq_chip(i, &mxc_avic_chip); set_irq_handler(i, handle_level_irq); set_irq_flags(i, IRQF_VALID); diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index 73dea88..a509546 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -191,7 +191,7 @@ #define SERIAL_IMX_MAJOR 207 #define MINOR_START 16 #define DEV_NAME "ttymxc" -#define MAX_INTERNAL_IRQ MXC_MAX_INT_LINES +#define MAX_INTERNAL_IRQ MXC_INTERNAL_IRQS #endif /* |
