From: Cliff Cai cliff.cai@analog.com
Signed-off-by: Cliff Cai cliff.cai@analog.com Signed-off-by: Mike Frysinger vapier@gentoo.org --- board/bf527-ezkit/bf527-ezkit.c | 13 +++++++++++++ board/bf548-ezkit/bf548-ezkit.c | 16 ++++++++++++++++ 2 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/board/bf527-ezkit/bf527-ezkit.c b/board/bf527-ezkit/bf527-ezkit.c index a880066..a911880 100644 --- a/board/bf527-ezkit/bf527-ezkit.c +++ b/board/bf527-ezkit/bf527-ezkit.c @@ -68,3 +68,16 @@ int misc_init_r(void)
return 0; } + +#ifdef CONFIG_USB_BLACKFIN +void board_musb_init(void) +{ + /* + * BF527 EZ-KITs require PG13 to be high for HOST mode + */ + bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~PG13); + bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | PG13); + bfin_write_PORTGIO_SET(PG13); + SSYNC(); +} +#endif diff --git a/board/bf548-ezkit/bf548-ezkit.c b/board/bf548-ezkit/bf548-ezkit.c index 7659e34..65fb81a 100644 --- a/board/bf548-ezkit/bf548-ezkit.c +++ b/board/bf548-ezkit/bf548-ezkit.c @@ -86,3 +86,19 @@ int board_mmc_init(bd_t *bis) return bfin_mmc_init(bis); } #endif + +#ifdef CONFIG_USB_BLACKFIN +void board_musb_init(void) +{ + /* + * Rev 1.0 BF549 EZ-KITs require PE7 to be high for both device + * and OTG host modes, while rev 1.1 and greater require PE7 to + * be low for device mode and high for host mode. We set it high + * here because we are in host mode. + */ + bfin_write_PORTE_FER(bfin_read_PORTE_FER() & ~PE7); + bfin_write_PORTE_DIR_SET(PE7); + bfin_write_PORTE_SET(PE7); + SSYNC(); +} +#endif