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MX31: Add USB Host support to the QONG board 

Signed-off-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Stefano Babic 2010-10-05 14:05:11 +02:00
parent 5b591502f9
commit d7dc464be4
2 changed files with 50 additions and 1 deletions
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33
board/davedenx/qong/qong.c
View File

@ -25,6 +25,7 @@
#include <netdev.h>
#include <asm/arch/mx31.h>
#include <asm/arch/mx31-regs.h>
#include <asm/io.h>
#include <nand.h>
#include <fsl_pmic.h>
#include <mxc_gpio.h>
@ -97,6 +98,38 @@ int board_early_init_f (void)
mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
/* Setup pins for USB2 Host */
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_CLK, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DIR, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_NXT, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_STP, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DATA0, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_USBH2_DATA1, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_STXD3, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SRXD3, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SCK3, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SFS3, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_STXD6, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SRXD6, MUX_CTL_FUNC));
#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
mx31_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
mx31_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
mx31_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
mx31_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
mx31_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
mx31_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
mx31_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */
mx31_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */
mx31_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */
mx31_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */
mx31_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */
mx31_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */
writel(readl((IOMUXC_BASE + 0x8)) | (1 << 11), IOMUXC_BASE + 0x8);
return 0;
}

18
include/configs/qong.h
View File

@ -89,6 +89,22 @@
#define CONFIG_BMP_16BPP
#define CONFIG_DISPLAY_COM57H5M10XRC
/* USB */
#define CONFIG_CMD_USB
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_EHCI /* Enable EHCI USB support */
#define CONFIG_USB_EHCI_MXC
#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
#define CONFIG_MXC_USB_PORT 2
#define CONFIG_MXC_USB_PORTSC (MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT)
#define CONFIG_MXC_USB_FLAGS MXC_EHCI_POWER_PINS_ENABLED
#define CONFIG_EHCI_IS_TDI
#define CONFIG_USB_STORAGE
#define CONFIG_DOS_PARTITION
#define CONFIG_SUPPORT_VFAT
#define CONFIG_CMD_FAT
#endif /* CONFIG_CMD_USB */
/*
* Reducing the ARP timeout from default 5 seconds to 200ms we speed up the
* initial TFTP transfer, should the user wish one, significantly.
@ -250,7 +266,7 @@ extern int qong_nand_rdy(void *chip);
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_SECT_SIZE 0x20000
#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x60000)
#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x80000)
/* Address and size of Redundant Environment Sector */
#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)