leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

imx:mx6qarm2 add board level support for usb

Browse Source 
Add pinmux settings and implement board_ehci_hcd_init

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
This commit is contained in:
Peng Fan 2014-12-02 09:55:28 +08:00 committed by Stefano Babic
parent 5a3d63c5cd
commit fb00bda705
2 changed files with 56 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
board/freescale/mx6qarm2/mx6qarm2.c
View File

@ -16,6 +16,7 @@
#include <fsl_esdhc.h> #include <fsl_esdhc.h>
#include <miiphy.h> #include <miiphy.h>
#include <netdev.h> #include <netdev.h>
#include <usb.h>
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -213,6 +214,43 @@ int board_eth_init(bd_t *bis)
return 0; return 0;
} }
#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_GPIO_1__USB_OTG_ID | 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, 1);
}
int board_ehci_hcd_init(int port)
{
u32 *usbnc_usb_ctrl;
if (port > 0)
return -EINVAL;
usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
port * 4);
setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
return 0;
}
#endif
int board_early_init_f(void) int board_early_init_f(void)
{ {
setup_iomux_uart(); setup_iomux_uart();
@ -226,6 +264,10 @@ int board_init(void)
/* address of boot parameters */ /* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_USB_EHCI_MX6
setup_usb();
#endif
return 0; return 0;
} }

14
include/configs/mx6qarm2.h
View File

@ -189,4 +189,18 @@
#define CONFIG_OF_LIBFDT #define CONFIG_OF_LIBFDT
#define CONFIG_CMD_BOOTZ #define CONFIG_CMD_BOOTZ
/* 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
#endif
#endif /* __CONFIG_H */ #endif /* __CONFIG_H */