diff options
| -rw-r--r-- | chip/stm32/gpio-stm32f100.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/chip/stm32/gpio-stm32f100.c b/chip/stm32/gpio-stm32f100.c index 0cc79a0856..2641db612c 100644 --- a/chip/stm32/gpio-stm32f100.c +++ b/chip/stm32/gpio-stm32f100.c @@ -153,43 +153,6 @@ int gpio_init(void) DECLARE_HOOK(HOOK_INIT, gpio_init, HOOK_PRIO_DEFAULT); -void gpio_set_alternate_function(int port, int mask, int func) -{ - int i; - const struct gpio_info *g = gpio_list; - uint32_t addr, cnf, mode, val = 0; - - /* - * TODO(dhendrix): STM32 GPIO registers do not have free-form - * alternate function setup like the STM32, where each pin can - * be configured for any alternate function (though not necessarily - * in a valid fashion). Instead, pre-determined sets of pins for a - * a given alternate function are chosen via a remapping register. - * - * Consequently, this function becomes very simple and can (should?) - * be merged into gpio_pre_init. - */ - for (i = 0; i < GPIO_COUNT; i++, g++) { - if ((g->port != port) || (g->mask != mask)) - continue; - - gpio_config_info(g, &addr, &mode, &cnf); - val = REG32(addr) & ~cnf; - - /* switch from general output to alternate output mode */ - if (g->flags & GPIO_OUTPUT) { - if (g->flags & GPIO_OPEN_DRAIN) - val |= 0xcccccccc & cnf; - else - val |= 0x88888888 & cnf; - } - - REG32(addr) = val ; - break; - } -} - - uint16_t *gpio_get_level_reg(enum gpio_signal signal, uint32_t *mask) { *mask = gpio_list[signal].mask; |