diff options
| author | 8bitgeek <mike@8bitgeek.net> | 2021-04-05 06:55:39 -0400 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2021-04-14 11:06:32 +1000 |
| commit | fc6ea28d00ca733f3ed806cc660f94c606ded4fb (patch) | |
| tree | a69bf54622b5733fcb13b395f8c17d14d57d6344 | |
| parent | 9c9bfe1968d4260924316353bd1c941fe7e8741d (diff) | |
stm32/sdram: Make MICROPY_HW_FMC_BA1,MICROPY_HW_FMC_A11 optional pins.
This supports SDRAM having only 2 internal banks (using BA0 only), and only
11 (A0-A10) bits of address, such as IS42S16100H (512K x 16bit x 2bank).
| -rw-r--r-- | ports/stm32/sdram.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ports/stm32/sdram.c b/ports/stm32/sdram.c index e8892b574..2791df277 100644 --- a/ports/stm32/sdram.c +++ b/ports/stm32/sdram.c @@ -73,7 +73,9 @@ bool sdram_init(void) { mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDNRAS, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDNRAS); mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDNWE, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDNWE); mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_BA0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_BA0); + #ifdef MICROPY_HW_FMC_BA1 mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_BA1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_BA1); + #endif mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_NBL0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_NBL0); mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_NBL1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_NBL1); #ifdef MICROPY_HW_FMC_NBL2 @@ -91,7 +93,9 @@ bool sdram_init(void) { mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A8, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A8); mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A9, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A9); mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A10, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A10); + #ifdef MICROPY_HW_FMC_A11 mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A11, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A11); + #endif #ifdef MICROPY_HW_FMC_A12 mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A12, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A12); #endif |