Use runtime CPU detection instead of relying on preprocessor symbols.
Signed-off-by: Manuel Lauss <manuel.lauss@xxxxxxxxx>
---
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 960a3ee..b2821ac 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;
+ }
+}
--
1.6.5.3
