jepler/circuitpython
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

alif/ospi_flash: Use mp_hal_pin_config to configure OSPI pins.

Browse source 
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
This commit is contained in:
iabdalkader 2025-02-07 15:41:42 +01:00 committed by Damien George
parent ec92bcfeff
commit facd0b7190
1 changed files with 26 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
ports/alif/ospi_flash.c
View file

@ -262,30 +262,40 @@ int ospi_flash_init(void) {
self->pin = pin;
uint32_t ck_pad_ctrl = PADCTRL_OUTPUT_DRIVE_STRENGTH_12MA | PADCTRL_SLEW_RATE_FAST;
uint32_t io_pad_ctrl = PADCTRL_OUTPUT_DRIVE_STRENGTH_12MA | PADCTRL_SLEW_RATE_FAST | PADCTRL_READ_ENABLE;
pinconf_set(pin->pin_cs->port, pin->pin_cs->pin, OSPI_PIN_FUNCTION, PADCTRL_OUTPUT_DRIVE_STRENGTH_12MA);
pinconf_set(pin->pin_clk_p->port, pin->pin_clk_p->pin, OSPI_PIN_FUNCTION, ck_pad_ctrl);
mp_hal_pin_config(pin->pin_cs, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_LOW, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, false);
mp_hal_pin_config(pin->pin_clk_p, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, false);
if (pin->pin_clk_n != NULL) {
pinconf_set(pin->pin_clk_n->port, pin->pin_clk_n->pin, OSPI_PIN_FUNCTION, ck_pad_ctrl);
mp_hal_pin_config(pin->pin_clk_n, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, false);
}
if (pin->pin_rwds != NULL) {
pinconf_set(pin->pin_rwds->port, pin->pin_rwds->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
mp_hal_pin_config(pin->pin_rwds, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
if (pin->pin_rwds->port == PORT_10 && pin->pin_rwds->pin == PIN_7) {
// Alif: P5_6 is needed to support proper alt function selection of P10_7.
pinconf_set(PORT_5, PIN_6, OSPI_PIN_FUNCTION, io_pad_ctrl);
mp_hal_pin_config(pin_P5_6, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
}
}
pinconf_set(pin->pin_d0->port, pin->pin_d0->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
pinconf_set(pin->pin_d1->port, pin->pin_d1->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
pinconf_set(pin->pin_d2->port, pin->pin_d2->pin, OSPI_PIN_FUNCTION, io_pad_ctrl | PADCTRL_DRIVER_DISABLED_PULL_UP);
pinconf_set(pin->pin_d3->port, pin->pin_d3->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
mp_hal_pin_config(pin->pin_d0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
mp_hal_pin_config(pin->pin_d1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
mp_hal_pin_config(pin->pin_d2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
mp_hal_pin_config(pin->pin_d3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
if (pin->pin_d4 != NULL) {
pinconf_set(pin->pin_d4->port, pin->pin_d4->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
pinconf_set(pin->pin_d5->port, pin->pin_d5->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
pinconf_set(pin->pin_d6->port, pin->pin_d6->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
pinconf_set(pin->pin_d7->port, pin->pin_d7->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
mp_hal_pin_config(pin->pin_d4, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
mp_hal_pin_config(pin->pin_d5, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
mp_hal_pin_config(pin->pin_d6, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
mp_hal_pin_config(pin->pin_d7, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE,
MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_12MA, MP_HAL_PIN_ALT_OSPI, true);
}
// Reset the SPI flash.