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| author | Bob Liu <lliubbo@gmail.com> | 2012-08-16 11:40:30 +0800 |
|---|---|---|
| committer | sonic <sonic@sonic-linuxvm.(none)> | 2013-03-04 13:42:07 +0800 |
| commit | c34346d85dcb3fc84a110bf578b698c6a65af91d (patch) | |
| tree | fa867c48403a4bc2dbe423dd14db6328740b1e7f /arch/blackfin/cpu | |
| parent | 7677d65f6522b1a911ac3a24225ec29709106010 (diff) | |
| download | u-boot-imx-c34346d85dcb3fc84a110bf578b698c6a65af91d.zip u-boot-imx-c34346d85dcb3fc84a110bf578b698c6a65af91d.tar.gz u-boot-imx-c34346d85dcb3fc84a110bf578b698c6a65af91d.tar.bz2 | |
blackfin: bf60x: add gpio support
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
Diffstat (limited to 'arch/blackfin/cpu')
| -rw-r--r-- | arch/blackfin/cpu/gpio.c | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/arch/blackfin/cpu/gpio.c b/arch/blackfin/cpu/gpio.c index 5674d42..f684be5 100644 --- a/arch/blackfin/cpu/gpio.c +++ b/arch/blackfin/cpu/gpio.c @@ -66,6 +66,14 @@ static struct gpio_port_t * const gpio_array[] = { (struct gpio_port_t *)PORTH_FER, (struct gpio_port_t *)PORTI_FER, (struct gpio_port_t *)PORTJ_FER, +#elif defined(CONFIG_BF60x) + (struct gpio_port_t *)PORTA_FER, + (struct gpio_port_t *)PORTB_FER, + (struct gpio_port_t *)PORTC_FER, + (struct gpio_port_t *)PORTD_FER, + (struct gpio_port_t *)PORTE_FER, + (struct gpio_port_t *)PORTF_FER, + (struct gpio_port_t *)PORTG_FER, #else # error no gpio arrays defined #endif @@ -216,6 +224,12 @@ static void port_setup(unsigned gpio, unsigned short usage) else gpio_array[gpio_bank(gpio)]->port_fer |= gpio_bit(gpio); SSYNC(); +#elif defined(CONFIG_BF60x) + if (usage == GPIO_USAGE) + gpio_array[gpio_bank(gpio)]->port_fer_clear = gpio_bit(gpio); + else + gpio_array[gpio_bank(gpio)]->port_fer_set = gpio_bit(gpio); + SSYNC(); #endif } @@ -290,7 +304,7 @@ static void portmux_setup(unsigned short per) } } } -#elif defined(CONFIG_BF54x) +#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x) inline void portmux_setup(unsigned short per) { u32 pmux; @@ -330,7 +344,7 @@ inline void portmux_setup(unsigned short per) # define portmux_setup(...) do { } while (0) #endif -#ifndef CONFIG_BF54x +#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x) /*********************************************************** * * FUNCTIONS: Blackfin General Purpose Ports Access Functions @@ -534,7 +548,7 @@ int peripheral_request(unsigned short per, const char *label) * be requested and used by several drivers */ -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) { #else if (!(per & P_MAYSHARE)) { @@ -651,7 +665,7 @@ int bfin_gpio_request(unsigned gpio, const char *label) gpio, get_label(gpio)); return -EBUSY; } -#ifndef CONFIG_BF54x +#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x) else { /* Reset POLAR setting when acquiring a gpio for the first time */ set_gpio_polar(gpio, 0); } @@ -732,12 +746,16 @@ void bfin_special_gpio_free(unsigned gpio) static inline void __bfin_gpio_direction_input(unsigned gpio) { -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio); #else gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio); #endif +#if defined(CONFIG_BF60x) + gpio_array[gpio_bank(gpio)]->inen_set = gpio_bit(gpio); +#else gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio); +#endif } int bfin_gpio_direction_input(unsigned gpio) @@ -785,9 +803,13 @@ int bfin_gpio_direction_output(unsigned gpio, int value) local_irq_save(flags); +#if defined(CONFIG_BF60x) + gpio_array[gpio_bank(gpio)]->inen_clear = gpio_bit(gpio); +#else gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio); +#endif gpio_set_value(gpio, value); -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio); #else gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio); @@ -801,7 +823,7 @@ int bfin_gpio_direction_output(unsigned gpio, int value) int bfin_gpio_get_value(unsigned gpio) { -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio))); #else unsigned long flags; |