Commit fb00bda705cd983bc261fba66ca4b7f5f056fdeb
Committed by
Stefano Babic
Stefano Babic
1 parent
5a3d63c5cd
Exists in
v2017.01-smarct4x
and in
38 other branches
imx:mx6qarm2 add board level support for usb
Add pinmux settings and implement board_ehci_hcd_init Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Showing 2 changed files with 56 additions and 0 deletions Side-by-side Diff
board/freescale/mx6qarm2/mx6qarm2.c
| ... | ... | @@ -16,6 +16,7 @@ |
| 16 | 16 | #include <fsl_esdhc.h> |
| 17 | 17 | #include <miiphy.h> |
| 18 | 18 | #include <netdev.h> |
| 19 | +#include <usb.h> | |
| 19 | 20 | |
| 20 | 21 | DECLARE_GLOBAL_DATA_PTR; |
| 21 | 22 | |
| ... | ... | @@ -213,6 +214,43 @@ |
| 213 | 214 | return 0; |
| 214 | 215 | } |
| 215 | 216 | |
| 217 | +#ifdef CONFIG_USB_EHCI_MX6 | |
| 218 | +#define USB_OTHERREGS_OFFSET 0x800 | |
| 219 | +#define UCTRL_PWR_POL (1 << 9) | |
| 220 | + | |
| 221 | +static iomux_v3_cfg_t const usb_otg_pads[] = { | |
| 222 | + MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), | |
| 223 | + MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), | |
| 224 | +}; | |
| 225 | + | |
| 226 | +static void setup_usb(void) | |
| 227 | +{ | |
| 228 | + imx_iomux_v3_setup_multiple_pads(usb_otg_pads, | |
| 229 | + ARRAY_SIZE(usb_otg_pads)); | |
| 230 | + | |
| 231 | + /* | |
| 232 | + * set daisy chain for otg_pin_id on 6q. | |
| 233 | + * for 6dl, this bit is reserved | |
| 234 | + */ | |
| 235 | + imx_iomux_set_gpr_register(1, 13, 1, 1); | |
| 236 | +} | |
| 237 | + | |
| 238 | +int board_ehci_hcd_init(int port) | |
| 239 | +{ | |
| 240 | + u32 *usbnc_usb_ctrl; | |
| 241 | + | |
| 242 | + if (port > 0) | |
| 243 | + return -EINVAL; | |
| 244 | + | |
| 245 | + usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + | |
| 246 | + port * 4); | |
| 247 | + | |
| 248 | + setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); | |
| 249 | + | |
| 250 | + return 0; | |
| 251 | +} | |
| 252 | +#endif | |
| 253 | + | |
| 216 | 254 | int board_early_init_f(void) |
| 217 | 255 | { |
| 218 | 256 | setup_iomux_uart(); |
| ... | ... | @@ -225,6 +263,10 @@ |
| 225 | 263 | { |
| 226 | 264 | /* address of boot parameters */ |
| 227 | 265 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
| 266 | + | |
| 267 | +#ifdef CONFIG_USB_EHCI_MX6 | |
| 268 | + setup_usb(); | |
| 269 | +#endif | |
| 228 | 270 | |
| 229 | 271 | return 0; |
| 230 | 272 | } |
include/configs/mx6qarm2.h
| ... | ... | @@ -189,5 +189,19 @@ |
| 189 | 189 | #define CONFIG_OF_LIBFDT |
| 190 | 190 | #define CONFIG_CMD_BOOTZ |
| 191 | 191 | |
| 192 | +/* USB Configs */ | |
| 193 | +#define CONFIG_CMD_USB | |
| 194 | +#ifdef CONFIG_CMD_USB | |
| 195 | +#define CONFIG_USB_EHCI | |
| 196 | +#define CONFIG_USB_EHCI_MX6 | |
| 197 | +#define CONFIG_USB_STORAGE | |
| 198 | +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET | |
| 199 | +#define CONFIG_USB_HOST_ETHER | |
| 200 | +#define CONFIG_USB_ETHER_ASIX | |
| 201 | +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) | |
| 202 | +#define CONFIG_MXC_USB_FLAGS 0 | |
| 203 | +#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 | |
| 204 | +#endif | |
| 205 | + | |
| 192 | 206 | #endif /* __CONFIG_H */ |