static inline void init(void)
{
power_all_disable();
debug_led_init();
clock_prescale_set(clock_div_1);
spi_io_init();
adc_init();
motor_init();
sei();
}
int board_early_init_f(void)
{
init_drive_strength();
/* Setup debug led */
gpio_direction_output(6, 0);
mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_GPIO1_6, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
/* wait a little while to give the pll time to settle */
sdelay(100000);
setup_weim();
setup_uart();
setup_fec();
setup_gpios();
spi_io_init();
return 0;
}
struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
unsigned int max_hz, unsigned int mode)
{
struct imx_spi_dev_t *imx_spi_slave = NULL;
if (!spi_cs_is_valid(bus, cs))
return NULL;
imx_spi_slave =
(struct imx_spi_dev_t *)malloc(sizeof(struct imx_spi_dev_t));
if (!imx_spi_slave)
return NULL;
imx_spi_slave->slave.bus = bus;
imx_spi_slave->slave.cs = cs;
spi_get_cfg(imx_spi_slave);
spi_io_init(imx_spi_slave);
spi_reset(&(imx_spi_slave->slave));
return &(imx_spi_slave->slave);
}
void spi_cs_activate(struct spi_slave *slave)
{
struct imx_spi_dev_t *dev = to_imx_spi_slave(slave);
spi_io_init(dev);
}
