diff options
Diffstat (limited to 'board/samsung/odroid/odroid.c')
| -rw-r--r-- | board/samsung/odroid/odroid.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/board/samsung/odroid/odroid.c b/board/samsung/odroid/odroid.c index 552333fe86..3e594fd850 100644 --- a/board/samsung/odroid/odroid.c +++ b/board/samsung/odroid/odroid.c @@ -54,6 +54,14 @@ void set_board_type(void) gd->board_type = ODROID_TYPE_U3; } +void set_board_revision(void) +{ + /* + * Revision already set by set_board_type() because it can be + * executed early. + */ +} + const char *get_board_type(void) { const char *board_type[] = {"u3", "x2"}; @@ -462,18 +470,33 @@ struct dwc2_plat_otg_data s5pc210_otg_data = { #if defined(CONFIG_USB_GADGET) || defined(CONFIG_CMD_USB) +static void set_usb3503_ref_clk(void) +{ +#ifdef CONFIG_BOARD_TYPES + /* + * gpx3-0 chooses primary (low) or secondary (high) reference clock + * frequencies table. The choice of clock is done through hard-wired + * REF_SEL pins. + * The Odroid Us have reference clock at 24 MHz (00 entry from secondary + * table) and Odroid Xs have it at 26 MHz (01 entry from primary table). + */ + if (gd->board_type == ODROID_TYPE_U3) + gpio_direction_output(EXYNOS4X12_GPIO_X30, 0); + else + gpio_direction_output(EXYNOS4X12_GPIO_X30, 1); +#else + /* Choose Odroid Xs frequency without board types */ + gpio_direction_output(EXYNOS4X12_GPIO_X30, 1); +#endif /* CONFIG_BOARD_TYPES */ +} + int board_usb_init(int index, enum usb_init_type init) { #ifdef CONFIG_CMD_USB struct udevice *dev; int ret; - /* Set Ref freq 0 => 24MHz, 1 => 26MHz*/ - /* Odroid Us have it at 24MHz, Odroid Xs at 26MHz */ - if (gd->board_type == ODROID_TYPE_U3) - gpio_direction_output(EXYNOS4X12_GPIO_X30, 0); - else - gpio_direction_output(EXYNOS4X12_GPIO_X30, 1); + set_usb3503_ref_clk(); /* Disconnect, Reset, Connect */ gpio_direction_output(EXYNOS4X12_GPIO_X34, 0); |