Add pinmux settings, implement board_ehci_hcd_init and board_ehci_power
Signed-off-by: Peng Fan Peng.Fan@freescale.com --- board/freescale/mx6sabresd/mx6sabresd.c | 68 +++++++++++++++++++++++++++++++++ include/configs/mx6sabresd.h | 14 +++++++ 2 files changed, 82 insertions(+)
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index ac3757f..2f7198d 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -29,6 +29,7 @@ #include <power/pfuze100_pmic.h> #include "../common/pfuze.h" #include <asm/arch/mx6-ddr.h> +#include <usb.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -537,6 +538,69 @@ int board_eth_init(bd_t *bis) return cpu_eth_init(bis); }
+#ifdef CONFIG_USB_EHCI_MX6 +#define USB_OTHERREGS_OFFSET 0x800 +#define UCTRL_PWR_POL (1 << 9) + +static iomux_v3_cfg_t const usb_otg_pads[] = { + MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usb_hc1_pads[] = { + MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void setup_usb(void) +{ + imx_iomux_v3_setup_multiple_pads(usb_otg_pads, + ARRAY_SIZE(usb_otg_pads)); + + /* + * set daisy chain for otg_pin_id on 6q. + * for 6dl, this bit is reserved + */ + imx_iomux_set_gpr_register(1, 13, 1, 0); + + imx_iomux_v3_setup_multiple_pads(usb_hc1_pads, + ARRAY_SIZE(usb_hc1_pads)); +} + +int board_ehci_hcd_init(int port) +{ + u32 *usbnc_usb_ctrl; + + if (port > 1) + return -EINVAL; + + usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + + port * 4); + + setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); + + return 0; +} + +int board_ehci_power(int port, int on) +{ + switch (port) { + case 0: + break; + case 1: + if (on) + gpio_direction_output(IMX_GPIO_NR(1, 29), 1); + else + gpio_direction_output(IMX_GPIO_NR(1, 29), 0); + break; + default: + printf("MXC USB port %d not yet supported\n", port); + return -EINVAL; + } + + return 0; +} +#endif + int board_early_init_f(void) { setup_iomux_uart(); @@ -557,6 +621,10 @@ int board_init(void) #endif setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+#ifdef CONFIG_USB_EHCI_MX6 + setup_usb(); +#endif + return 0; }
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h index a346542..99d9d4d 100644 --- a/include/configs/mx6sabresd.h +++ b/include/configs/mx6sabresd.h @@ -60,4 +60,18 @@ #define CONFIG_POWER_PFUZE100 #define CONFIG_POWER_PFUZE100_I2C_ADDR 0x08
+/* USB Configs */ +#define CONFIG_CMD_USB +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_EHCI +#define CONFIG_USB_EHCI_MX6 +#define CONFIG_USB_STORAGE +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET +#define CONFIG_USB_HOST_ETHER +#define CONFIG_USB_ETHER_ASIX +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) +#define CONFIG_MXC_USB_FLAGS 0 +#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 /* Enabled USB controller number */ +#endif + #endif /* __MX6QSABRESD_CONFIG_H */