diff options
Diffstat (limited to 'board/cm_t35/cm_t35.c')
| -rw-r--r-- | board/cm_t35/cm_t35.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c index 6c2e95b1d4..edbb941985 100644 --- 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(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + 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, hccr, hcor); +} + +int ehci_hcd_stop(void) +{ + return omap_ehci_hcd_stop(); +} + +#endif /* CONFIG_USB_EHCI_OMAP */ |