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| author | John Crispin <john@openwrt.org> | 2008-07-06 00:59:48 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2008-07-06 00:59:48 +0000 |
| commit | 9e6c38917c9b612bc46a6a94ee406151193641a6 (patch) | |
| tree | c514352597d2596a465e53e7d6dd43f4b6daeedc /target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h | |
| parent | 9be32c744bbbe93bb5f2697129b91d80f9d818ca (diff) | |
| download | master-31e0f0ae-9e6c38917c9b612bc46a6a94ee406151193641a6.tar.gz master-31e0f0ae-9e6c38917c9b612bc46a6a94ee406151193641a6.tar.bz2 master-31e0f0ae-9e6c38917c9b612bc46a6a94ee406151193641a6.zip | |
make atheros wifi cards used on arcaydian 4519 ifxmips based boards work
SVN-Revision: 11676
Diffstat (limited to 'target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h')
| -rw-r--r-- | target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h b/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h index 0d207b0938..76d42c2e3b 100644 --- a/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h +++ b/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h @@ -26,23 +26,35 @@ #include <asm/ifxmips/ifxmips.h> #include <asm/ifxmips/ifxmips_gpio.h> +#define GPIO_TO_PORT(x) ((x > 15)?(1):(0)) +#define GPIO_TO_GPIO(x) ((x > 15)?(x-16):(x)) + static inline int gpio_direction_input(unsigned gpio) { - ifxmips_port_set_dir_in(0, gpio); + ifxmips_port_set_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); + ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); + ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); + ifxmips_port_set_dir_in(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); return 0; } static inline int gpio_direction_output(unsigned gpio, int value) { - ifxmips_port_set_dir_out(0, gpio); + ifxmips_port_clear_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); + ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); + ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); + ifxmips_port_set_dir_out(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); return 0; } static inline int gpio_get_value(unsigned gpio) { - ifxmips_port_get_input(0, gpio); + ifxmips_port_get_input(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); return 0; } static inline void gpio_set_value(unsigned gpio, int value) { - ifxmips_port_set_output(0, gpio); + if(value) + ifxmips_port_set_output(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); + else + ifxmips_port_clear_output(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); } static inline int gpio_request(unsigned gpio, const char *label) { |