cm-t35: add USB host support

Add support for USB host ports on cm-t3530 and cm-t3730.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>

diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c
index 6c2e95b1d4d5a7e1627d17208d449019f9a49ace..4db448aaed3b8d65d80d22c168f4f835c7fc2936 100644 (file)
--- a/board/cm_t35/cm_t35.c
+++ b/board/cm_t35/cm_t35.c
@@ -32,6 +32,7 @@
 #include <netdev.h>
 #include <net.h>
 #include <i2c.h>
+#include <usb.h>
 #include <twl4030.h>
 #include <linux/compiler.h>
 
@@ -41,6 +42,8 @@
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/mach-types.h>
+#include <asm/ehci-omap.h>
+#include <asm/gpio.h>
 
 #include "eeprom.h"
 
@@ -260,6 +263,36 @@ static void cm_t3x_set_common_muxconf(void)
        MUX_VAL(CP(HSUSB0_DATA6),       (IEN  | PTD | DIS | M0)); /*HSUSB0_DATA6*/
        MUX_VAL(CP(HSUSB0_DATA7),       (IEN  | PTD | DIS | M0)); /*HSUSB0_DATA7*/
 
+       /* USB EHCI */
+       MUX_VAL(CP(ETK_D0_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DT0*/
+       MUX_VAL(CP(ETK_D1_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DT1*/
+       MUX_VAL(CP(ETK_D2_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DT2*/
+       MUX_VAL(CP(ETK_D7_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DT3*/
+       MUX_VAL(CP(ETK_D4_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DT4*/
+       MUX_VAL(CP(ETK_D5_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DT5*/
+       MUX_VAL(CP(ETK_D6_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DT6*/
+       MUX_VAL(CP(ETK_D3_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DT7*/
+       MUX_VAL(CP(ETK_D8_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_DIR*/
+       MUX_VAL(CP(ETK_D9_ES2),         (IEN  | PTD | EN  | M3)); /*HSUSB1_NXT*/
+       MUX_VAL(CP(ETK_CTL_ES2),        (IDIS | PTD | DIS | M3)); /*HSUSB1_CLK*/
+       MUX_VAL(CP(ETK_CLK_ES2),        (IDIS | PTU | DIS | M3)); /*HSUSB1_STP*/
+
+       MUX_VAL(CP(ETK_D14_ES2),        (IEN  | PTD | EN  | M3)); /*HSUSB2_DT0*/
+       MUX_VAL(CP(ETK_D15_ES2),        (IEN  | PTD | EN  | M3)); /*HSUSB2_DT1*/
+       MUX_VAL(CP(MCSPI1_CS3),         (IEN  | PTD | EN  | M3)); /*HSUSB2_DT2*/
+       MUX_VAL(CP(MCSPI2_CS1),         (IEN  | PTD | EN  | M3)); /*HSUSB2_DT3*/
+       MUX_VAL(CP(MCSPI2_SIMO),        (IEN  | PTD | EN  | M3)); /*HSUSB2_DT4*/
+       MUX_VAL(CP(MCSPI2_SOMI),        (IEN  | PTD | EN  | M3)); /*HSUSB2_DT5*/
+       MUX_VAL(CP(MCSPI2_CS0),         (IEN  | PTD | EN  | M3)); /*HSUSB2_DT6*/
+       MUX_VAL(CP(MCSPI2_CLK),         (IEN  | PTD | EN  | M3)); /*HSUSB2_DT7*/
+       MUX_VAL(CP(ETK_D12_ES2),        (IEN  | PTD | EN  | M3)); /*HSUSB2_DIR*/
+       MUX_VAL(CP(ETK_D13_ES2),        (IEN  | PTD | EN  | M3)); /*HSUSB2_NXT*/
+       MUX_VAL(CP(ETK_D10_ES2),        (IDIS | PTD | DIS | M3)); /*HSUSB2_CLK*/
+       MUX_VAL(CP(ETK_D11_ES2),        (IDIS | PTU | DIS | M3)); /*HSUSB2_STP*/
+
+       /* SB_T35_USB_HUB_RESET_GPIO */
+       MUX_VAL(CP(CAM_WEN),            (IDIS | PTD | DIS | M4)); /*GPIO_167*/
+
        /* I2C1 */
        MUX_VAL(CP(I2C1_SCL),           (IEN  | PTU | EN  | M0)); /*I2C1_SCL*/
        MUX_VAL(CP(I2C1_SDA),           (IEN  | PTU | EN  | M0)); /*I2C1_SDA*/
@@ -461,3 +494,47 @@ void __weak get_board_serial(struct tag_serialnr *serialnr)
        serialnr->low = 0;
        serialnr->high = 0;
 };
+
+#ifdef CONFIG_USB_EHCI_OMAP
+struct omap_usbhs_board_data usbhs_bdata = {
+       .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
+       .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
+       .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
+};
+
+#define SB_T35_USB_HUB_RESET_GPIO      167
+int ehci_hcd_init(void)
+{
+       u8 val;
+       int offset;
+
+       if (gpio_request(SB_T35_USB_HUB_RESET_GPIO, "SB-T35 usb hub reset")) {
+               printf("Error: can't obtain GPIO %d for SB-T35 usb hub reset",
+                               SB_T35_USB_HUB_RESET_GPIO);
+               return -1;
+       }
+
+       gpio_direction_output(SB_T35_USB_HUB_RESET_GPIO, 0);
+       udelay(10);
+       gpio_set_value(SB_T35_USB_HUB_RESET_GPIO, 1);
+       udelay(1000);
+
+       offset = TWL4030_BASEADD_GPIO + TWL4030_GPIO_GPIODATADIR1;
+       twl4030_i2c_read_u8(TWL4030_CHIP_GPIO, &val, offset);
+       /* Set GPIO6 and GPIO7 of TPS65930 as output */
+       val |= 0xC0;
+       twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, val, offset);
+       offset = TWL4030_BASEADD_GPIO + TWL4030_GPIO_SETGPIODATAOUT1;
+       /* Take both PHYs out of reset */
+       twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0xC0, offset);
+       udelay(1);
+
+       return omap_ehci_hcd_init(&usbhs_bdata);
+}
+
+int ehci_hcd_stop(void)
+{
+       return omap_ehci_hcd_stop();
+}
+
+#endif /* CONFIG_USB_EHCI_OMAP */

diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h
index 568ae8e0972d1c9efc8376de10d2be6a2c15bf8b..8db3a61941fd448e0d5840b296d255ab1bb40f9e 100644 (file)
--- a/include/configs/cm_t35.h
+++ b/include/configs/cm_t35.h
@@ -114,9 +114,15 @@
 #define CONFIG_DOS_PARTITION
 
 /* USB */
-#define CONFIG_MUSB_UDC
 #define CONFIG_USB_OMAP3
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_OMAP
+#define CONFIG_USB_ULPI
+#define CONFIG_USB_ULPI_VIEWPORT_OMAP
+#define CONFIG_USB_STORAGE
+#define CONFIG_MUSB_UDC
 #define CONFIG_TWL4030_USB
+#define CONFIG_CMD_USB
 
 /* USB device configuration */
 #define CONFIG_USB_DEVICE