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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-07 10:45:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-07 10:45:22 -0800 |
| commit | 8995b161eb142b843094dd614b80e4cce1d66352 (patch) | |
| tree | ffd9988879441d5ec45ab96b2e06f4fcb1210158 /arch/arm/mach-ixp4xx/common.c | |
| parent | cc918c7ab7da017bfaf9661420bb5c462e057cfb (diff) | |
| parent | fe5dd7c73d328b255286b6b65ca19dd34447f709 (diff) | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'arch/arm/mach-ixp4xx/common.c')
| -rw-r--r-- | arch/arm/mach-ixp4xx/common.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index f3c687cf007..6b393691d0e 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -142,6 +142,8 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type) *int_reg &= ~(IXP4XX_GPIO_STYLE_CLEAR << (line * IXP4XX_GPIO_STYLE_SIZE)); + *IXP4XX_GPIO_GPISR = (1 << line); + /* Set the new style */ *int_reg |= (int_style << (line * IXP4XX_GPIO_STYLE_SIZE)); @@ -169,7 +171,7 @@ static void ixp4xx_irq_ack(unsigned int irq) int line = (irq < 32) ? irq2gpio[irq] : -1; if (line >= 0) - gpio_line_isr_clear(line); + *IXP4XX_GPIO_GPISR = (1 << line); } /* @@ -330,11 +332,27 @@ static struct platform_device *ixp46x_devices[] __initdata = { &ixp46x_i2c_controller }; +unsigned long ixp4xx_exp_bus_size; + void __init ixp4xx_sys_init(void) { + ixp4xx_exp_bus_size = SZ_16M; + if (cpu_is_ixp46x()) { + int region; + platform_add_devices(ixp46x_devices, ARRAY_SIZE(ixp46x_devices)); + + for (region = 0; region < 7; region++) { + if((*(IXP4XX_EXP_REG(0x4 * region)) & 0x200)) { + ixp4xx_exp_bus_size = SZ_32M; + break; + } + } } + + printk("IXP4xx: Using %uMiB expansion bus window size\n", + ixp4xx_exp_bus_size >> 20); } |