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Diffstat (limited to 'arch/mips/alchemy/common/irq.c')
-rw-r--r--arch/mips/alchemy/common/irq.c436
1 files changed, 222 insertions, 214 deletions
diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c
index d670928..b2821ac 100644
--- a/arch/mips/alchemy/common/irq.c
+++ b/arch/mips/alchemy/common/irq.c
@@ -39,168 +39,180 @@
static int au1x_ic_settype(unsigned int irq, unsigned int flow_type);
+/* NOTE on interrupt priorities: The original writers of this code said:
+ *
+ * Because of the tight timing of SETUP token to reply transactions,
+ * the USB devices-side packet complete interrupt (USB_DEV_REQ_INT)
+ * needs the highest priority.
+ */
+
/* per-processor fixed function irqs */
-struct au1xxx_irqmap au1xxx_ic0_map[] __initdata = {
-
-#if defined(CONFIG_SOC_AU1000)
- { AU1000_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_UART2_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
- { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1000_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 },
-
-#elif defined(CONFIG_SOC_AU1500)
-
- { AU1500_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1000_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1500_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1000_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1000_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
- { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1000_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1500_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1500_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 },
-
-#elif defined(CONFIG_SOC_AU1100)
-
- { AU1100_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1100_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1100_SD_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1100_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
- { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+struct au1xxx_irqmap {
+ int im_irq;
+ int im_type;
+ int im_request; /* set 1 to get higher priority */
+};
+
+struct au1xxx_irqmap au1000_irqmap[] __initdata = {
+ { AU1000_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_UART2_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
+ { AU1000_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 1 },
{ AU1000_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1000_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1100_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1100_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 },
-
-#elif defined(CONFIG_SOC_AU1550)
-
- { AU1550_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1550_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1550_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_CRYPTO_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1550_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1550_PCI_RST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1550_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_PSC2_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_PSC3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
- { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1550_NAND_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1550_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1000_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1000_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1000_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { -1, },
+};
+
+struct au1xxx_irqmap au1500_irqmap[] __initdata = {
+ { AU1500_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1500_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1500_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1500_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1500_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
+ { AU1500_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 1 },
+ { AU1500_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1500_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1500_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1500_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { -1, },
+};
+
+struct au1xxx_irqmap au1100_irqmap[] __initdata = {
+ { AU1100_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_SD_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
+ { AU1100_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 1 },
+ { AU1100_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1100_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1100_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1100_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { -1, },
+};
+
+struct au1xxx_irqmap au1550_irqmap[] __initdata = {
+ { AU1550_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1550_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1550_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_CRYPTO_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1550_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1550_PCI_RST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1550_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_PSC2_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_PSC3_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1550_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1550_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1550_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1550_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1550_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1550_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1550_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
+ { AU1550_NAND_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1550_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 1 },
{ AU1550_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1550_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
- { AU1550_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1550_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
-
-#elif defined(CONFIG_SOC_AU1200)
-
- { AU1200_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_SWT_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1200_SD_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_MAE_BE_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_MAE_FE_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_AES_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_CAMERA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
- { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1200_NAND_INT, IRQ_TYPE_EDGE_RISING, 0 },
- { AU1200_USB_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
- { AU1200_MAE_BOTH_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
-
-#else
-#error "Error: Unknown Alchemy SOC"
-#endif
+ { AU1550_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 },
+ { AU1550_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1550_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { -1, },
+};
+
+struct au1xxx_irqmap au1200_irqmap[] __initdata = {
+ { AU1200_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_SWT_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_SD_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_MAE_BE_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_MAE_FE_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_AES_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_CAMERA_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 },
+ { AU1200_NAND_INT, IRQ_TYPE_EDGE_RISING, 0 },
+ { AU1200_USB_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { AU1200_MAE_BOTH_INT, IRQ_TYPE_LEVEL_HIGH, 0 },
+ { -1, },
};
@@ -306,7 +318,7 @@ static void au1x_ic1_unmask(unsigned int irq_nr)
* nowhere in the current kernel sources is it disabled. --mlau
*/
#if defined(CONFIG_MIPS_PB1000)
- if (irq_nr == AU1000_GPIO_15)
+ if (irq_nr == AU1000_GPIO15_INT)
au_writel(0x4000, PB1000_MDR); /* enable int */
#endif
au_sync();
@@ -378,11 +390,13 @@ static void au1x_ic1_maskack(unsigned int irq_nr)
static int au1x_ic1_setwake(unsigned int irq, unsigned int on)
{
- unsigned int bit = irq - AU1000_INTC1_INT_BASE;
+ int bit = irq - AU1000_INTC1_INT_BASE;
unsigned long wakemsk, flags;
- /* only GPIO 0-7 can act as wakeup source: */
- if ((irq < AU1000_GPIO_0) || (irq > AU1000_GPIO_7))
+ /* only GPIO 0-7 can act as wakeup source. Fortunately these
+ * are wired up identically on all supported variants.
+ */
+ if ((bit < 0) || (bit > 7))
return -EINVAL;
local_irq_save(flags);
@@ -504,11 +518,11 @@ static int au1x_ic_settype(unsigned int irq, unsigned int flow_type)
asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
- unsigned long s, off, bit;
+ unsigned long s, off;
if (pending & CAUSEF_IP7) {
- do_IRQ(MIPS_CPU_IRQ_BASE + 7);
- return;
+ off = MIPS_CPU_IRQ_BASE + 7;
+ goto handle;
} else if (pending & CAUSEF_IP2) {
s = IC0_REQ0INT;
off = AU1000_INTC0_INT_BASE;
@@ -524,58 +538,20 @@ asmlinkage void plat_irq_dispatch(void)
} else
goto spurious;
- bit = 0;
s = au_readl(s);
if (unlikely(!s)) {
spurious:
spurious_interrupt();
return;
}
-#ifdef AU1000_USB_DEV_REQ_INT
- /*
- * Because of the tight timing of SETUP token to reply
- * transactions, the USB devices-side packet complete
- * interrupt needs the highest priority.
- */
- bit = 1 << (AU1000_USB_DEV_REQ_INT - AU1000_INTC0_INT_BASE);
- if ((pending & CAUSEF_IP2) && (s & bit)) {
- do_IRQ(AU1000_USB_DEV_REQ_INT);
- return;
- }
-#endif
- do_IRQ(__ffs(s) + off);
+ off += __ffs(s);
+handle:
+ do_IRQ(off);
}
-/* setup edge/level and assign request 0/1 */
-void __init au1xxx_setup_irqmap(struct au1xxx_irqmap *map, int count)
+static void __init au1000_init_irq(struct au1xxx_irqmap *map)
{
unsigned int bit, irq_nr;
-
- while (count--) {
- irq_nr = map[count].im_irq;
-
- if (((irq_nr < AU1000_INTC0_INT_BASE) ||
- (irq_nr >= AU1000_INTC0_INT_BASE + 32)) &&
- ((irq_nr < AU1000_INTC1_INT_BASE) ||
- (irq_nr >= AU1000_INTC1_INT_BASE + 32)))
- continue;
-
- if (irq_nr >= AU1000_INTC1_INT_BASE) {
- bit = irq_nr - AU1000_INTC1_INT_BASE;
- if (map[count].im_request)
- au_writel(1 << bit, IC1_ASSIGNCLR);
- } else {
- bit = irq_nr - AU1000_INTC0_INT_BASE;
- if (map[count].im_request)
- au_writel(1 << bit, IC0_ASSIGNCLR);
- }
-
- au1x_ic_settype(irq_nr, map[count].im_type);
- }
-}
-
-void __init arch_init_irq(void)
-{
int i;
/*
@@ -585,7 +561,7 @@ void __init arch_init_irq(void)
au_writel(0xffffffff, IC0_CFG1CLR);
au_writel(0xffffffff, IC0_CFG2CLR);
au_writel(0xffffffff, IC0_MASKCLR);
- au_writel(0xffffffff, IC0_ASSIGNSET);
+ au_writel(0xffffffff, IC0_ASSIGNCLR);
au_writel(0xffffffff, IC0_WAKECLR);
au_writel(0xffffffff, IC0_SRCSET);
au_writel(0xffffffff, IC0_FALLINGCLR);
@@ -596,7 +572,7 @@ void __init arch_init_irq(void)
au_writel(0xffffffff, IC1_CFG1CLR);
au_writel(0xffffffff, IC1_CFG2CLR);
au_writel(0xffffffff, IC1_MASKCLR);
- au_writel(0xffffffff, IC1_ASSIGNSET);
+ au_writel(0xffffffff, IC1_ASSIGNCLR);
au_writel(0xffffffff, IC1_WAKECLR);
au_writel(0xffffffff, IC1_SRCSET);
au_writel(0xffffffff, IC1_FALLINGCLR);
@@ -619,11 +595,43 @@ void __init arch_init_irq(void)
/*
* Initialize IC0, which is fixed per processor.
*/
- au1xxx_setup_irqmap(au1xxx_ic0_map, ARRAY_SIZE(au1xxx_ic0_map));
+ while (map->im_irq != -1) {
+ irq_nr = map->im_irq;
- /* Boards can register additional (GPIO-based) IRQs.
- */
- board_init_irq();
+ if (irq_nr >= AU1000_INTC1_INT_BASE) {
+ bit = irq_nr - AU1000_INTC1_INT_BASE;
+ if (map->im_request)
+ au_writel(1 << bit, IC1_ASSIGNSET);
+ } else {
+ bit = irq_nr - AU1000_INTC0_INT_BASE;
+ if (map->im_request)
+ au_writel(1 << bit, IC0_ASSIGNSET);
+ }
+
+ au1x_ic_settype(irq_nr, map->im_type);
+ ++map;
+ }
set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3);
}
+
+void __init arch_init_irq(void)
+{
+ switch (alchemy_get_cputype()) {
+ case ALCHEMY_CPU_AU1000:
+ au1000_init_irq(au1000_irqmap);
+ break;
+ case ALCHEMY_CPU_AU1500:
+ au1000_init_irq(au1500_irqmap);
+ break;
+ case ALCHEMY_CPU_AU1100:
+ au1000_init_irq(au1100_irqmap);
+ break;
+ case ALCHEMY_CPU_AU1550:
+ au1000_init_irq(au1550_irqmap);
+ break;
+ case ALCHEMY_CPU_AU1200:
+ au1000_init_irq(au1200_irqmap);
+ break;
+ }
+}
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