diff options
Diffstat (limited to 'arch/mips/alchemy/common/irq.c')
| -rw-r--r-- | arch/mips/alchemy/common/irq.c | 436 |
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; + } +} |
