Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel
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 @@
.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 @@
.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_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 @@
.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 @@
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 @@
}
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 @@
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 @@
{
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 @@
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 @@
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 @@
/* 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 @@
#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 @@
((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 @@
/* 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 @@
{
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 @@
/* 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
/*