/* * Copyright (C) 2009 * Albin Tonnerre, Free Electrons * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #define SBC_A9260_CS0_PIN AT91_PIN_PA3 #define SBC_A9260_CS1_PIN AT91_PIN_PC11 int spi_cs_is_valid(unsigned int bus, unsigned int cs) { return bus == 0 && (cs == 1 || cs == 0); } void spi_cs_activate(struct spi_slave *slave) { if(slave->cs == 0) at91_set_gpio_value(SBC_A9260_CS0_PIN, 0); else if(slave->cs == 1) at91_set_gpio_value(SBC_A9260_CS1_PIN, 0); } void spi_cs_deactivate(struct spi_slave *slave) { if(slave->cs == 0) at91_set_gpio_value(SBC_A9260_CS0_PIN, 1); else if(slave->cs == 1) at91_set_gpio_value(SBC_A9260_CS1_PIN, 1); } void spi_init_f(void) { /* everything done in board_init */ }