#include <linux/fb.h>
#include <asm/io.h>
#include <asm/gpio.h>
+#include <asm/arch/iomux.h>
#include <asm/arch/iomux-mx28.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
DECLARE_GLOBAL_DATA_PTR;
-#define MXS_GPIO_NR(p, o) (((p) << 5) | (o))
+#define TX28_LCD_PWR_GPIO MXS_PAD_TO_GPIO(MX28_PAD_LCD_ENABLE__GPIO_1_31)
+#define TX28_LCD_RST_GPIO MXS_PAD_TO_GPIO(MX28_PAD_LCD_RESET__GPIO_3_30)
+#define TX28_LCD_BACKLIGHT_GPIO MXS_PAD_TO_GPIO(MX28_PAD_PWM0__GPIO_3_16)
-#define TX28_LCD_PWR_GPIO MX28_PAD_LCD_ENABLE__GPIO_1_31
-#define TX28_LCD_RST_GPIO MX28_PAD_LCD_RESET__GPIO_3_30
-#define TX28_LCD_BACKLIGHT_GPIO MX28_PAD_PWM0__GPIO_3_16
+#define TX28_USBH_VBUSEN_GPIO MXS_PAD_TO_GPIO(MX28_PAD_SPDIF__GPIO_3_27)
+#define TX28_USBH_OC_GPIO MXS_PAD_TO_GPIO(MX28_PAD_JTAG_RTCK__GPIO_4_20)
+#define TX28_USBOTG_VBUSEN_GPIO MXS_PAD_TO_GPIO(MX28_PAD_GPMI_CE2N__GPIO_0_18)
+#define TX28_USBOTG_OC_GPIO MXS_PAD_TO_GPIO(MX28_PAD_GPMI_CE3N__GPIO_0_19)
+#define TX28_USBOTG_ID_GPIO MXS_PAD_TO_GPIO(MX28_PAD_PWM2__GPIO_3_18)
-#define TX28_USBH_VBUSEN_GPIO MX28_PAD_SPDIF__GPIO_3_27
-#define TX28_USBH_OC_GPIO MX28_PAD_JTAG_RTCK__GPIO_4_20
-#define TX28_USBOTG_VBUSEN_GPIO MX28_PAD_GPMI_CE2N__GPIO_0_18
-#define TX28_USBOTG_OC_GPIO MX28_PAD_GPMI_CE3N__GPIO_0_19
-#define TX28_USBOTG_ID_GPIO MX28_PAD_PWM2__GPIO_3_18
+#define TX28_LED_GPIO MXS_PAD_TO_GPIO(MX28_PAD_ENET0_RXD3__GPIO_4_10)
-#define TX28_LED_GPIO MX28_PAD_ENET0_RXD3__GPIO_4_10
-
-#define STK5_CAN_XCVR_GPIO MX28_PAD_LCD_D00__GPIO_1_0
+#define STK5_CAN_XCVR_PAD MX28_PAD_LCD_D00__GPIO_1_0
+#define STK5_CAN_XCVR_GPIO MXS_PAD_TO_GPIO(STK5_CAN_XCVR_PAD)
#define ENET_PAD_CTRL (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP)
#define GPIO_PAD_CTRL (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP)
#define I2C_PAD_CTRL (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP)
+#ifndef CONFIG_CONS_INDEX
+struct serial_device *default_serial_console(void)
+{
+ return NULL;
+}
+#endif
+
static const struct gpio tx28_gpios[] = {
{ TX28_USBH_VBUSEN_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "USBH VBUSEN", },
{ TX28_USBH_OC_GPIO, GPIOFLAG_INPUT, "USBH OC", },
};
static const iomux_cfg_t tx28_pads[] = {
- /* UART pads */
-#if CONFIG_CONS_INDEX == 0
- MX28_PAD_AUART0_RX__DUART_CTS,
- MX28_PAD_AUART0_TX__DUART_RTS,
- MX28_PAD_AUART0_CTS__DUART_RX,
- MX28_PAD_AUART0_RTS__DUART_TX,
-#elif CONFIG_CONS_INDEX == 1
- MX28_PAD_AUART1_RX__AUART1_RX,
- MX28_PAD_AUART1_TX__AUART1_TX,
- MX28_PAD_AUART1_CTS__AUART1_CTS,
- MX28_PAD_AUART1_RTS__AUART1_RTS,
-#elif CONFIG_CONS_INDEX == 2
- MX28_PAD_AUART3_RX__AUART3_RX,
- MX28_PAD_AUART3_TX__AUART3_TX,
- MX28_PAD_AUART3_CTS__AUART3_CTS,
- MX28_PAD_AUART3_RTS__AUART3_RTS,
-#endif
/* I2C bus for internal DS1339, PCA9554 and on DIMM pins 40/41 */
MX28_PAD_I2C0_SCL__I2C0_SCL | I2C_PAD_CTRL,
MX28_PAD_I2C0_SDA__I2C0_SDA | I2C_PAD_CTRL,
MX28_PAD_ENET0_RXD1__ENET0_RXD1 | ENET_PAD_CTRL,
};
+static struct gpio tx28_fec_strap_gpios[] = {
+ /* first entry must be RESET pin */
+ { MXS_PAD_TO_GPIO(MX28_PAD_ENET0_RX_CLK__GPIO_4_13),
+ GPIOFLAG_OUTPUT_INIT_LOW, "PHY Reset", },
+
+ { MXS_PAD_TO_GPIO(MX28_PAD_PWM4__GPIO_3_29),
+ GPIOFLAG_OUTPUT_INIT_HIGH, "PHY Power", },
+
+ /* Pull strap pins to high */
+ { MXS_PAD_TO_GPIO(MX28_PAD_ENET0_RX_EN__GPIO_4_2),
+ GPIOFLAG_OUTPUT_INIT_HIGH, "PHY Mode0", },
+ { MXS_PAD_TO_GPIO(MX28_PAD_ENET0_RXD0__GPIO_4_3),
+ GPIOFLAG_OUTPUT_INIT_HIGH, "PHY Mode1", },
+ { MXS_PAD_TO_GPIO(MX28_PAD_ENET0_RXD1__GPIO_4_4),
+ GPIOFLAG_OUTPUT_INIT_HIGH, "PHY Mode2", },
+
+ { MXS_PAD_TO_GPIO(MX28_PAD_ENET0_TX_CLK__GPIO_4_5),
+ GPIOFLAG_INPUT, "PHY INT", },
+};
+
int board_eth_init(bd_t *bis)
{
int ret;
/* Reset the external phy */
- gpio_direction_output(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 0);
-
- /* Power on the external phy */
- gpio_direction_output(MX28_PAD_PWM4__GPIO_3_29, 1);
-
- /* Pull strap pins to high */
- gpio_direction_output(MX28_PAD_ENET0_RX_EN__GPIO_4_2, 1);
- gpio_direction_output(MX28_PAD_ENET0_RXD0__GPIO_4_3, 1);
- gpio_direction_output(MX28_PAD_ENET0_RXD1__GPIO_4_4, 1);
- gpio_direction_input(MX28_PAD_ENET0_TX_CLK__GPIO_4_5);
+ ret = gpio_request_array(tx28_fec_strap_gpios,
+ ARRAY_SIZE(tx28_fec_strap_gpios));
+ if (ret)
+ printf("Failed to request FEC GPIOs: %d\n", ret);
udelay(25000);
- gpio_set_value(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 1);
+ gpio_set_value(tx28_fec_strap_gpios[0].gpio, 1);
udelay(100);
mxs_iomux_setup_multiple_pads(tx28_fec_pads, ARRAY_SIZE(tx28_fec_pads));
LED_STATE_INIT = -1,
LED_STATE_OFF,
LED_STATE_ON,
+ LED_STATE_DISABLED,
};
+static int led_state = LED_STATE_DISABLED;
+
void show_activity(int arg)
{
- static int led_state = LED_STATE_INIT;
static ulong last;
+ int ret;
- if (led_state == LED_STATE_INIT) {
+ if (led_state == LED_STATE_DISABLED) {
+ return;
+ } else if (led_state == LED_STATE_INIT) {
last = get_timer(0);
- gpio_set_value(TX28_LED_GPIO, 1);
- led_state = LED_STATE_ON;
+ ret = gpio_request_one(TX28_LED_GPIO,
+ GPIOFLAG_OUTPUT_INIT_HIGH, "Activity");
+ if (ret == 0)
+ led_state = LED_STATE_ON;
+ else
+ led_state = LED_STATE_DISABLED;
} else {
if (get_timer(last) > CONFIG_SYS_HZ) {
last = get_timer(0);
if (led_state == LED_STATE_ON) {
gpio_set_value(TX28_LED_GPIO, 0);
+ led_state = LED_STATE_OFF;
} else {
gpio_set_value(TX28_LED_GPIO, 1);
+ led_state = LED_STATE_ON;
}
- led_state = 1 - led_state;
}
}
}
static void stk5v3_board_init(void)
{
+ led_state = LED_STATE_INIT;
stk5_board_init();
}
/* init flexcan transceiver enable GPIO */
gpio_request_one(STK5_CAN_XCVR_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH,
"Flexcan Transceiver");
- mxs_iomux_setup_pad(STK5_CAN_XCVR_GPIO);
+ mxs_iomux_setup_pad(STK5_CAN_XCVR_PAD);
}
int board_late_init(void)
projects / karo-tx-uboot.git / blobdiff