TonBERRY/micropython
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alif/ospi_flash: Add negative clock pin.

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Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
This commit is contained in:
iabdalkader
2024-12-14 18:19:42 +01:00
committed by Damien George
parent 8807f8d01b
commit 872f3d70d3
2 changed files with 18 additions and 13 deletions
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28
ports/alif/ospi_flash.c
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@@ -264,26 +264,30 @@ int ospi_flash_init(void) {
self->pin = pin;
uint32_t pad_ctrl = PADCTRL_OUTPUT_DRIVE_STRENGTH_12MA | PADCTRL_SLEW_RATE_FAST | PADCTRL_READ_ENABLE;
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->port, pin->pin_clk->pin, OSPI_PIN_FUNCTION, PADCTRL_OUTPUT_DRIVE_STRENGTH_12MA | PADCTRL_SLEW_RATE_FAST);
pinconf_set(pin->pin_clk_p->port, pin->pin_clk_p->pin, OSPI_PIN_FUNCTION, ck_pad_ctrl);
if (pin->pin_clk_n != NULL) {
pinconf_set(pin->pin_clk_n->port, pin->pin_clk_n->pin, OSPI_PIN_FUNCTION, ck_pad_ctrl);
}
if (pin->pin_rwds != NULL) {
pinconf_set(pin->pin_rwds->port, pin->pin_rwds->pin, OSPI_PIN_FUNCTION, pad_ctrl);
pinconf_set(pin->pin_rwds->port, pin->pin_rwds->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
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, pad_ctrl);
pinconf_set(PORT_5, PIN_6, OSPI_PIN_FUNCTION, io_pad_ctrl);
}
}
pinconf_set(pin->pin_d0->port, pin->pin_d0->pin, OSPI_PIN_FUNCTION, pad_ctrl);
pinconf_set(pin->pin_d1->port, pin->pin_d1->pin, OSPI_PIN_FUNCTION, pad_ctrl);
pinconf_set(pin->pin_d2->port, pin->pin_d2->pin, OSPI_PIN_FUNCTION, pad_ctrl);
pinconf_set(pin->pin_d3->port, pin->pin_d3->pin, OSPI_PIN_FUNCTION, pad_ctrl);
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);
pinconf_set(pin->pin_d3->port, pin->pin_d3->pin, OSPI_PIN_FUNCTION, io_pad_ctrl);
if (pin->pin_d4 != NULL) {
pinconf_set(pin->pin_d4->port, pin->pin_d4->pin, OSPI_PIN_FUNCTION, pad_ctrl);
pinconf_set(pin->pin_d5->port, pin->pin_d5->pin, OSPI_PIN_FUNCTION, pad_ctrl);
pinconf_set(pin->pin_d6->port, pin->pin_d6->pin, OSPI_PIN_FUNCTION, pad_ctrl);
pinconf_set(pin->pin_d7->port, pin->pin_d7->pin, OSPI_PIN_FUNCTION, pad_ctrl);
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);
}
// Reset the SPI flash.

3
ports/alif/ospi_flash.h
View File

@@ -42,7 +42,8 @@ typedef struct _ospi_pin_settings_t {
uint32_t peripheral_number;
const mp_hal_pin_obj_t pin_reset;
const mp_hal_pin_obj_t pin_cs;
const mp_hal_pin_obj_t pin_clk;
const mp_hal_pin_obj_t pin_clk_p;
const mp_hal_pin_obj_t pin_clk_n;
const mp_hal_pin_obj_t pin_rwds;
const mp_hal_pin_obj_t pin_d0;
const mp_hal_pin_obj_t pin_d1;