/* * Functions */ int board_early_init_f(void) { /* IO0 clock at 480MHz */ mxs_set_ioclk(MXC_IOCLK0, 480000); /* IO1 clock at 480MHz */ mxs_set_ioclk(MXC_IOCLK1, 480000); /* SSP0 clock at 96MHz */ mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); /* SSP2 clock at 160MHz */ mxs_set_sspclk(MXC_SSPCLK2, 160000, 0); #ifdef CONFIG_CMD_USB mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT); mxs_iomux_setup_pad(MX28_PAD_AUART2_RX__GPIO_3_8 | MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL); gpio_direction_output(MX28_PAD_AUART2_RX__GPIO_3_8, 1); #endif /* Power on LCD */ gpio_direction_output(MX28_PAD_LCD_RESET__GPIO_3_30, 1); /* Set contrast to maximum */ gpio_direction_output(MX28_PAD_PWM2__GPIO_3_18, 1); return 0; }
/* * Functions */ int board_early_init_f(void) { /* IO0 clock at 480MHz */ mxs_set_ioclk(MXC_IOCLK0, 480000); /* IO1 clock at 480MHz */ mxs_set_ioclk(MXC_IOCLK1, 480000); /* SSP0 clock at 96MHz */ mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); /* SSP2 clock at 160MHz */ mxs_set_sspclk(MXC_SSPCLK2, 160000, 0); #ifdef CONFIG_CMD_USB mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT); mxs_iomux_setup_pad(MX28_PAD_AUART3_TX__GPIO_3_13 | MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP); gpio_direction_output(MX28_PAD_AUART3_TX__GPIO_3_13, 0); mxs_iomux_setup_pad(MX28_PAD_AUART3_RX__GPIO_3_12 | MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP); gpio_direction_output(MX28_PAD_AUART3_RX__GPIO_3_12, 0); #endif return 0; }
static void stk5v5_board_init(void) { stk5_board_init(); /* init flexcan transceiver enable GPIO */ gpio_request_one(MXS_GPIO_NR(0, 1), GPIOF_OUTPUT_INIT_HIGH, "Flexcan Transceiver"); mxs_iomux_setup_pad(MX28_PAD_LCD_D00__GPIO_1_0); }
int mxs_iomux_setup_multiple_pads(const iomux_cfg_t *pad_list, unsigned count) { const iomux_cfg_t *p = pad_list; int i; int ret; for (i = 0; i < count; i++) { ret = mxs_iomux_setup_pad(*p); if (ret) return ret; p++; } return 0; }