diff options
| author | Cliff Cai <cliff.cai@analog.com> | 2009-12-08 07:25:57 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-01-17 09:17:27 -0500 |
| commit | 9442c4a1337dbcf82e3bc02a12e24f491e0e6122 (patch) | |
| tree | 81ee12df4d94697e8dd7bf64cf3210f68745a5f7 /board | |
| parent | 581d92eefc1a060ea5c6eb42028880a37095953d (diff) | |
| download | u-boot-imx-9442c4a1337dbcf82e3bc02a12e24f491e0e6122.zip u-boot-imx-9442c4a1337dbcf82e3bc02a12e24f491e0e6122.tar.gz u-boot-imx-9442c4a1337dbcf82e3bc02a12e24f491e0e6122.tar.bz2 | |
Blackfin: bf527-ezkit/bf548-ezkit: add musb board specific initialization
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'board')
| -rw-r--r-- | board/bf527-ezkit/bf527-ezkit.c | 13 | ||||
| -rw-r--r-- | 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 |