diff options
Diffstat (limited to 'arch/mips/alchemy/common/irq.c')
| -rw-r--r-- | arch/mips/alchemy/common/irq.c | 97 |
1 files changed, 54 insertions, 43 deletions
diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c index 960a3ee2bd4..b2821ace4d0 100644 --- a/arch/mips/alchemy/common/irq.c +++ b/arch/mips/alchemy/common/irq.c @@ -51,8 +51,9 @@ struct au1xxx_irqmap { int im_irq; int im_type; int im_request; /* set 1 to get higher priority */ -} au1xxx_ic0_map[] __initdata = { -#if defined(CONFIG_SOC_AU1000) +}; + +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 }, @@ -84,9 +85,10 @@ struct au1xxx_irqmap { { 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, }, +}; -#elif defined(CONFIG_SOC_AU1500) - +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 }, @@ -116,9 +118,10 @@ struct au1xxx_irqmap { { 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, }, +}; -#elif defined(CONFIG_SOC_AU1100) - +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 }, @@ -150,9 +153,10 @@ struct au1xxx_irqmap { { 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, }, +}; -#elif defined(CONFIG_SOC_AU1550) - +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 }, @@ -181,9 +185,10 @@ struct au1xxx_irqmap { { 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, }, +}; -#elif defined(CONFIG_SOC_AU1200) - +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 }, @@ -207,10 +212,7 @@ struct au1xxx_irqmap { { 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 + { -1, }, }; @@ -547,36 +549,9 @@ handle: do_IRQ(off); } -/* setup edge/level and assign request 0/1 */ -static void __init 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_ASSIGNSET); - } else { - bit = irq_nr - AU1000_INTC0_INT_BASE; - if (map[count].im_request) - au_writel(1 << bit, IC0_ASSIGNSET); - } - - au1x_ic_settype(irq_nr, map[count].im_type); - } -} - -void __init arch_init_irq(void) -{ int i; /* @@ -620,7 +595,43 @@ void __init arch_init_irq(void) /* * Initialize IC0, which is fixed per processor. */ - setup_irqmap(au1xxx_ic0_map, ARRAY_SIZE(au1xxx_ic0_map)); + while (map->im_irq != -1) { + irq_nr = map->im_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; + } +} |