aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-davinci/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-davinci/irq.c')
-rw-r--r--arch/arm/mach-davinci/irq.c156
1 files changed, 149 insertions, 7 deletions
diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c
index 38021af8359..5a324c90e29 100644
--- a/arch/arm/mach-davinci/irq.c
+++ b/arch/arm/mach-davinci/irq.c
@@ -25,6 +25,7 @@
#include <linux/io.h>
#include <mach/hardware.h>
+#include <mach/cputype.h>
#include <asm/mach/irq.h>
#define IRQ_BIT(irq) ((irq) & 0x1f)
@@ -40,14 +41,18 @@
#define IRQ_INTPRI0_REG_OFFSET 0x0030
#define IRQ_INTPRI7_REG_OFFSET 0x004C
+const u8 *davinci_def_priorities;
+
+#define INTC_BASE IO_ADDRESS(DAVINCI_ARM_INTC_BASE)
+
static inline unsigned int davinci_irq_readl(int offset)
{
- return davinci_readl(DAVINCI_ARM_INTC_BASE + offset);
+ return __raw_readl(INTC_BASE + offset);
}
static inline void davinci_irq_writel(unsigned long value, int offset)
{
- davinci_writel(value, DAVINCI_ARM_INTC_BASE + offset);
+ __raw_writel(value, INTC_BASE + offset);
}
/* Disable interrupt */
@@ -108,9 +113,8 @@ static struct irq_chip davinci_irq_chip_0 = {
.unmask = davinci_unmask_irq,
};
-
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
-static const u8 default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = {
+static const u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = {
[IRQ_VDINT0] = 2,
[IRQ_VDINT1] = 6,
[IRQ_VDINT2] = 6,
@@ -177,11 +181,149 @@ static const u8 default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = {
[IRQ_EMUINT] = 7,
};
+static const u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
+ [IRQ_DM646X_VP_VERTINT0] = 7,
+ [IRQ_DM646X_VP_VERTINT1] = 7,
+ [IRQ_DM646X_VP_VERTINT2] = 7,
+ [IRQ_DM646X_VP_VERTINT3] = 7,
+ [IRQ_DM646X_VP_ERRINT] = 7,
+ [IRQ_DM646X_RESERVED_1] = 7,
+ [IRQ_DM646X_RESERVED_2] = 7,
+ [IRQ_DM646X_WDINT] = 7,
+ [IRQ_DM646X_CRGENINT0] = 7,
+ [IRQ_DM646X_CRGENINT1] = 7,
+ [IRQ_DM646X_TSIFINT0] = 7,
+ [IRQ_DM646X_TSIFINT1] = 7,
+ [IRQ_DM646X_VDCEINT] = 7,
+ [IRQ_DM646X_USBINT] = 7,
+ [IRQ_DM646X_USBDMAINT] = 7,
+ [IRQ_DM646X_PCIINT] = 7,
+ [IRQ_CCINT0] = 7, /* dma */
+ [IRQ_CCERRINT] = 7, /* dma */
+ [IRQ_TCERRINT0] = 7, /* dma */
+ [IRQ_TCERRINT] = 7, /* dma */
+ [IRQ_DM646X_TCERRINT2] = 7,
+ [IRQ_DM646X_TCERRINT3] = 7,
+ [IRQ_DM646X_IDE] = 7,
+ [IRQ_DM646X_HPIINT] = 7,
+ [IRQ_DM646X_EMACRXTHINT] = 7,
+ [IRQ_DM646X_EMACRXINT] = 7,
+ [IRQ_DM646X_EMACTXINT] = 7,
+ [IRQ_DM646X_EMACMISCINT] = 7,
+ [IRQ_DM646X_MCASP0TXINT] = 7,
+ [IRQ_DM646X_MCASP0RXINT] = 7,
+ [IRQ_AEMIFINT] = 7,
+ [IRQ_DM646X_RESERVED_3] = 7,
+ [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */
+ [IRQ_TINT0_TINT34] = 7, /* clocksource */
+ [IRQ_TINT1_TINT12] = 7, /* DSP timer */
+ [IRQ_TINT1_TINT34] = 7, /* system tick */
+ [IRQ_PWMINT0] = 7,
+ [IRQ_PWMINT1] = 7,
+ [IRQ_DM646X_VLQINT] = 7,
+ [IRQ_I2C] = 7,
+ [IRQ_UARTINT0] = 7,
+ [IRQ_UARTINT1] = 7,
+ [IRQ_DM646X_UARTINT2] = 7,
+ [IRQ_DM646X_SPINT0] = 7,
+ [IRQ_DM646X_SPINT1] = 7,
+ [IRQ_DM646X_DSP2ARMINT] = 7,
+ [IRQ_DM646X_RESERVED_4] = 7,
+ [IRQ_DM646X_PSCINT] = 7,
+ [IRQ_DM646X_GPIO0] = 7,
+ [IRQ_DM646X_GPIO1] = 7,
+ [IRQ_DM646X_GPIO2] = 7,
+ [IRQ_DM646X_GPIO3] = 7,
+ [IRQ_DM646X_GPIO4] = 7,
+ [IRQ_DM646X_GPIO5] = 7,
+ [IRQ_DM646X_GPIO6] = 7,
+ [IRQ_DM646X_GPIO7] = 7,
+ [IRQ_DM646X_GPIOBNK0] = 7,
+ [IRQ_DM646X_GPIOBNK1] = 7,
+ [IRQ_DM646X_GPIOBNK2] = 7,
+ [IRQ_DM646X_DDRINT] = 7,
+ [IRQ_DM646X_AEMIFINT] = 7,
+ [IRQ_COMMTX] = 7,
+ [IRQ_COMMRX] = 7,
+ [IRQ_EMUINT] = 7,
+};
+
+static const u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
+ [IRQ_DM355_CCDC_VDINT0] = 2,
+ [IRQ_DM355_CCDC_VDINT1] = 6,
+ [IRQ_DM355_CCDC_VDINT2] = 6,
+ [IRQ_DM355_IPIPE_HST] = 6,
+ [IRQ_DM355_H3AINT] = 6,
+ [IRQ_DM355_IPIPE_SDR] = 6,
+ [IRQ_DM355_IPIPEIFINT] = 6,
+ [IRQ_DM355_OSDINT] = 7,
+ [IRQ_DM355_VENCINT] = 6,
+ [IRQ_ASQINT] = 6,
+ [IRQ_IMXINT] = 6,
+ [IRQ_USBINT] = 4,
+ [IRQ_DM355_RTOINT] = 4,
+ [IRQ_DM355_UARTINT2] = 7,
+ [IRQ_DM355_TINT6] = 7,
+ [IRQ_CCINT0] = 5, /* dma */
+ [IRQ_CCERRINT] = 5, /* dma */
+ [IRQ_TCERRINT0] = 5, /* dma */
+ [IRQ_TCERRINT] = 5, /* dma */
+ [IRQ_DM355_SPINT2_1] = 7,
+ [IRQ_DM355_TINT7] = 4,
+ [IRQ_DM355_SDIOINT0] = 7,
+ [IRQ_MBXINT] = 7,
+ [IRQ_MBRINT] = 7,
+ [IRQ_MMCINT] = 7,
+ [IRQ_DM355_MMCINT1] = 7,
+ [IRQ_DM355_PWMINT3] = 7,
+ [IRQ_DDRINT] = 7,
+ [IRQ_AEMIFINT] = 7,
+ [IRQ_DM355_SDIOINT1] = 4,
+ [IRQ_TINT0_TINT12] = 2, /* clockevent */
+ [IRQ_TINT0_TINT34] = 2, /* clocksource */
+ [IRQ_TINT1_TINT12] = 7, /* DSP timer */
+ [IRQ_TINT1_TINT34] = 7, /* system tick */
+ [IRQ_PWMINT0] = 7,
+ [IRQ_PWMINT1] = 7,
+ [IRQ_PWMINT2] = 7,
+ [IRQ_I2C] = 3,
+ [IRQ_UARTINT0] = 3,
+ [IRQ_UARTINT1] = 3,
+ [IRQ_DM355_SPINT0_0] = 3,
+ [IRQ_DM355_SPINT0_1] = 3,
+ [IRQ_DM355_GPIO0] = 3,
+ [IRQ_DM355_GPIO1] = 7,
+ [IRQ_DM355_GPIO2] = 4,
+ [IRQ_DM355_GPIO3] = 4,
+ [IRQ_DM355_GPIO4] = 7,
+ [IRQ_DM355_GPIO5] = 7,
+ [IRQ_DM355_GPIO6] = 7,
+ [IRQ_DM355_GPIO7] = 7,
+ [IRQ_DM355_GPIO8] = 7,
+ [IRQ_DM355_GPIO9] = 7,
+ [IRQ_DM355_GPIOBNK0] = 7,
+ [IRQ_DM355_GPIOBNK1] = 7,
+ [IRQ_DM355_GPIOBNK2] = 7,
+ [IRQ_DM355_GPIOBNK3] = 7,
+ [IRQ_DM355_GPIOBNK4] = 7,
+ [IRQ_DM355_GPIOBNK5] = 7,
+ [IRQ_DM355_GPIOBNK6] = 7,
+ [IRQ_COMMTX] = 7,
+ [IRQ_COMMRX] = 7,
+ [IRQ_EMUINT] = 7,
+};
+
/* ARM Interrupt Controller Initialization */
void __init davinci_irq_init(void)
{
unsigned i;
- const u8 *priority = default_priorities;
+
+ if (cpu_is_davinci_dm644x())
+ davinci_def_priorities = dm644x_default_priorities;
+ else if (cpu_is_davinci_dm646x())
+ davinci_def_priorities = dm646x_default_priorities;
+ else if (cpu_is_davinci_dm355())
+ davinci_def_priorities = dm355_default_priorities;
/* Clear all interrupt requests */
davinci_irq_writel(~0x0, FIQ_REG0_OFFSET);
@@ -209,8 +351,8 @@ void __init davinci_irq_init(void)
unsigned j;
u32 pri;
- for (j = 0, pri = 0; j < 32; j += 4, priority++)
- pri |= (*priority & 0x07) << j;
+ for (j = 0, pri = 0; j < 32; j += 4, davinci_def_priorities++)
+ pri |= (*davinci_def_priorities & 0x07) << j;
davinci_irq_writel(pri, i);
}