MLK-14445-6 mx7ulp_evk: Add USB OTG0 support

Porting codes to support USB OTG0 on the EVK board. Convert
to use DM USB driver.

Signed-off-by: Ye Li <ye.li@nxp.com>

diff --git a/board/freescale/mx7ulp_evk/mx7ulp_evk.c b/board/freescale/mx7ulp_evk/mx7ulp_evk.c
index d6c27db..afad505 100644 (file)
--- a/board/freescale/mx7ulp_evk/mx7ulp_evk.c
+++ b/board/freescale/mx7ulp_evk/mx7ulp_evk.c
@@ -9,11 +9,15 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mx7ulp-pins.h>
 #include <asm/arch/iomux.h>
+#include <asm/gpio.h>
+#include <usb.h>
+#include <dm.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 #define UART_PAD_CTRL  (PAD_CTL_PUS_UP)
 #define QSPI_PAD_CTRL1 (PAD_CTL_PUS_UP | PAD_CTL_DSE)
+#define OTG_ID_GPIO_PAD_CTRL   (PAD_CTL_IBE_ENABLE)
 
 int dram_init(void)
 {
@@ -63,6 +67,37 @@ int board_qspi_init(void)
 }
 #endif
 
+#ifdef CONFIG_DM_USB
+static iomux_cfg_t const usb_otg1_pads[] = {
+       MX7ULP_PAD_PTC8__PTC8 | MUX_PAD_CTRL(OTG_ID_GPIO_PAD_CTRL),  /* gpio for OTG ID*/
+};
+
+static void setup_usb(void)
+{
+       mx7ulp_iomux_setup_multiple_pads(usb_otg1_pads,
+                                                ARRAY_SIZE(usb_otg1_pads));
+
+       gpio_request(IMX_GPIO_NR(3, 8), "otg_id");
+       gpio_direction_input(IMX_GPIO_NR(3, 8));
+}
+
+int board_ehci_usb_phy_mode(struct udevice *dev)
+{
+       int ret = 0;
+
+       if (dev_get_addr(dev) == USBOTG0_RBASE) {
+               ret = gpio_get_value(IMX_GPIO_NR(3, 8));
+
+               if (ret)
+                       return USB_INIT_DEVICE;
+               else
+                       return USB_INIT_HOST;
+       }
+
+       return USB_INIT_HOST;
+}
+#endif
+
 int board_early_init_f(void)
 {
        setup_iomux_uart();
@@ -79,5 +114,9 @@ int board_init(void)
        board_qspi_init();
 #endif
 
+#ifdef CONFIG_DM_USB
+       setup_usb();
+#endif
+
        return 0;
 }

diff --git a/configs/mx7ulp_evk_defconfig b/configs/mx7ulp_evk_defconfig
index 452c3ca..d813383 100644 (file)
--- a/configs/mx7ulp_evk_defconfig
+++ b/configs/mx7ulp_evk_defconfig
@@ -30,3 +30,9 @@ CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_ULP_WATCHDOG=y
+CONFIG_CMD_USB=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_MXC_USB_OTG_HACTIVE=y
+CONFIG_USB_STORAGE=y

diff --git a/configs/mx7ulp_evk_plugin_defconfig b/configs/mx7ulp_evk_plugin_defconfig
index 6f41bf6..3f1a658 100644 (file)
--- a/configs/mx7ulp_evk_plugin_defconfig
+++ b/configs/mx7ulp_evk_plugin_defconfig
@@ -31,3 +31,9 @@ CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_ULP_WATCHDOG=y
+CONFIG_CMD_USB=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_MXC_USB_OTG_HACTIVE=y
+CONFIG_USB_STORAGE=y

diff --git a/include/configs/mx7ulp_evk.h b/include/configs/mx7ulp_evk.h
index d3cb257..f30341f 100644 (file)
--- a/include/configs/mx7ulp_evk.h
+++ b/include/configs/mx7ulp_evk.h
@@ -46,7 +46,6 @@
 #define CONFIG_ENV_SIZE                        SZ_8K
 
 #define CONFIG_CMD_FAT
-#define CONFIG_DOS_PARTITION
 
 /* Using ULP WDOG for reset */
 #define WDOG_BASE_ADDR                 WDG1_RBASE
@@ -208,6 +207,12 @@
 #define QSPI0_AMBA_BASE                 0xC0000000
 #endif
 
+/* USB Configs */
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_USB_ETHER_RTL8152
+#define CONFIG_MXC_USB_PORTSC  (PORT_PTS_UTMI | PORT_PTS_PTW)
+
 #define CONFIG_OF_SYSTEM_SETUP
 
 #endif /* __CONFIG_H */