diff options
| author | Maurus Cuelenaere <mcuelenaere@gmail.com> | 2009-11-20 13:04:13 +0100 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2009-12-01 01:35:40 +0000 |
| commit | 6a88e9838fdc9ede136e3bb76a5c19413bd6cddb (patch) | |
| tree | d2cc683914b23841b6da2d17c041c2fe87f8f3e9 /arch/arm | |
| parent | 23196a42a691012ac9710677f711bb6dca0a1cde (diff) | |
| download | blackbird-obmc-linux-6a88e9838fdc9ede136e3bb76a5c19413bd6cddb.tar.gz blackbird-obmc-linux-6a88e9838fdc9ede136e3bb76a5c19413bd6cddb.zip | |
ARM: S3C64XX: add support for all group 0 external interrupts
Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/plat-s3c64xx/gpiolib.c | 12 | ||||
| -rw-r--r-- | arch/arm/plat-s3c64xx/irq-eint.c | 19 |
2 files changed, 26 insertions, 5 deletions
diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c index 92859290ea33..778560457277 100644 --- a/arch/arm/plat-s3c64xx/gpiolib.c +++ b/arch/arm/plat-s3c64xx/gpiolib.c @@ -213,6 +213,11 @@ static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = { .get_pull = s3c_gpio_getpull_updown, }; +int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin) +{ + return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; +} + static struct s3c_gpio_chip gpio_4bit[] = { { .base = S3C64XX_GPA_BASE, @@ -269,10 +274,16 @@ static struct s3c_gpio_chip gpio_4bit[] = { .base = S3C64XX_GPM(0), .ngpio = S3C64XX_GPIO_M_NR, .label = "GPM", + .to_irq = s3c64xx_gpio2int_gpm, }, }, }; +int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin) +{ + return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; +} + static struct s3c_gpio_chip gpio_4bit2[] = { { .base = S3C64XX_GPH_BASE + 0x4, @@ -297,6 +308,7 @@ static struct s3c_gpio_chip gpio_4bit2[] = { .base = S3C64XX_GPL(0), .ngpio = S3C64XX_GPIO_L_NR, .label = "GPL", + .to_irq = s3c64xx_gpio2int_gpl, }, }, }; diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/plat-s3c64xx/irq-eint.c index f81b7b818ba0..ebdf183a0911 100644 --- a/arch/arm/plat-s3c64xx/irq-eint.c +++ b/arch/arm/plat-s3c64xx/irq-eint.c @@ -65,7 +65,7 @@ static void s3c_irq_eint_maskack(unsigned int irq) static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type) { int offs = eint_offset(irq); - int pin; + int pin, pin_val; int shift; u32 ctrl, mask; u32 newvalue = 0; @@ -109,7 +109,10 @@ static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type) return -1; } - shift = (offs / 2) * 4; + if (offs <= 15) + shift = (offs / 2) * 4; + else + shift = ((offs - 16) / 2) * 4; mask = 0x7 << shift; ctrl = __raw_readl(reg); @@ -119,12 +122,18 @@ static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type) /* set the GPIO pin appropriately */ - if (offs < 23) + if (offs < 16) { pin = S3C64XX_GPN(offs); - else + pin_val = S3C_GPIO_SFN(2); + } else if (offs < 23) { + pin = S3C64XX_GPL(offs + 8 - 16); + pin_val = S3C_GPIO_SFN(3); + } else { pin = S3C64XX_GPM(offs - 23); + pin_val = S3C_GPIO_SFN(3); + } - s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(pin, pin_val); return 0; } |
