diff options
| author | Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> | 2007-09-30 20:36:33 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-10-12 23:43:41 +0100 |
| commit | 361c7ad607bc0e84ef0fef8c3f11c47b33c06e41 (patch) | |
| tree | eb4d73ce8fec23d402ce5da05f3394ada0dbb9ed /arch/arm/mach-ns9xxx/irq.c | |
| parent | c54ecb2481d464d50520ce60cf36011b68d1e89a (diff) | |
[ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32
As a consequence registers are now accessed with __raw_{read,write}[bl].
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ns9xxx/irq.c')
| -rw-r--r-- | arch/arm/mach-ns9xxx/irq.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c index 24d424e10e4..00001b874e9 100644 --- a/arch/arm/mach-ns9xxx/irq.c +++ b/arch/arm/mach-ns9xxx/irq.c @@ -9,6 +9,7 @@ * the Free Software Foundation. */ #include <linux/interrupt.h> +#include <asm/io.h> #include <asm/mach/irq.h> #include <asm/mach-types.h> #include <asm/arch-ns9xxx/regs-sys.h> @@ -20,12 +21,14 @@ static void ns9xxx_mask_irq(unsigned int irq) { /* XXX: better use cpp symbols */ - SYS_IC(irq / 4) &= ~(1 << (7 + 8 * (3 - (irq & 3)))); + u32 ic = __raw_readl(SYS_IC(irq / 4)); + ic &= ~(1 << (7 + 8 * (3 - (irq & 3)))); + __raw_writel(ic, SYS_IC(irq / 4)); } static void ns9xxx_ack_irq(unsigned int irq) { - SYS_ISRADDR = 0; + __raw_writel(0, SYS_ISRADDR); } static void ns9xxx_maskack_irq(unsigned int irq) @@ -37,7 +40,9 @@ static void ns9xxx_maskack_irq(unsigned int irq) static void ns9xxx_unmask_irq(unsigned int irq) { /* XXX: better use cpp symbols */ - SYS_IC(irq / 4) |= 1 << (7 + 8 * (3 - (irq & 3))); + u32 ic = __raw_readl(SYS_IC(irq / 4)); + ic |= 1 << (7 + 8 * (3 - (irq & 3))); + __raw_writel(ic, SYS_IC(irq / 4)); } static struct irq_chip ns9xxx_chip = { @@ -53,14 +58,14 @@ void __init ns9xxx_init_irq(void) /* disable all IRQs */ for (i = 0; i < 8; ++i) - SYS_IC(i) = (4 * i) << 24 | (4 * i + 1) << 16 | - (4 * i + 2) << 8 | (4 * i + 3); + __raw_writel((4 * i) << 24 | (4 * i + 1) << 16 | + (4 * i + 2) << 8 | (4 * i + 3), SYS_IC(i)); /* simple interrupt prio table: * prio(x) < prio(y) <=> x < y */ for (i = 0; i < 32; ++i) - SYS_IVA(i) = i; + __raw_writel(i, SYS_IVA(i)); for (i = IRQ_WATCHDOG; i <= IRQ_EXT3; ++i) { set_irq_chip(i, &ns9xxx_chip); |