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| author | Markus Klotzbuecher <mk@denx.de> | 2006-05-22 16:33:54 +0200 |
|---|---|---|
| committer | Markus Klotzbuecher <mk@pollux.denx.de> | 2006-05-22 16:33:54 +0200 |
| commit | 3e326ece9eba8184f5d48aa4fb87760a8f6f0f10 (patch) | |
| tree | 5ffbaa50f1627682082592c148faa34d59e29e0c /board/delta/delta.c | |
| parent | 5770a1e488621a9e7e344afed7c921ff4e715a63 (diff) | |
| download | u-boot-imx-3e326ece9eba8184f5d48aa4fb87760a8f6f0f10.zip u-boot-imx-3e326ece9eba8184f5d48aa4fb87760a8f6f0f10.tar.gz u-boot-imx-3e326ece9eba8184f5d48aa4fb87760a8f6f0f10.tar.bz2 | |
This patch adds USB storage support for the delta board. This is the first
board to make use of a generic OHCI driver, that calls hooks for board
dependant initialization.
Diffstat (limited to 'board/delta/delta.c')
| -rw-r--r-- | board/delta/delta.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/board/delta/delta.c b/board/delta/delta.c index b127ac8..d9fe8cb 100644 --- a/board/delta/delta.c +++ b/board/delta/delta.c @@ -99,6 +99,52 @@ int board_late_init(void) } +/* board dependant usb stuff */ +int usb_board_init() +{ + /* + * Enable USB host clock. + */ + CKENA |= (CKENA_2_USBHOST | CKENA_20_UDC); + udelay(100); + + /* Configure Port 2 for Host (USB Client Registers) */ + UP2OCR = 0x3000c; + +#if 0 + GPIO2_2 = 0x801; /* USBHPEN - Alt. Fkt. 1 */ + GPIO3_2 = 0x801; /* USBHPWR - Alt. Fkt. 1 */ +#endif + + UHCHR |= UHCHR_FHR; + wait_ms(11); /* udelay(11); */ + UHCHR &= ~UHCHR_FHR; + + UHCHR |= UHCHR_FSBIR; + while (UHCHR & UHCHR_FSBIR) + udelay(1); + +#if 0 + UHCHR |= UHCHR_PCPL; /* USBHPEN is active low */ + UHCHR |= UHCHR_PSPL; /* USBHPWR is active low */ +#endif + + UHCHR &= ~UHCHR_SSEP0; + UHCHR &= ~UHCHR_SSEP1; + UHCHR &= ~UHCHR_SSE; + + return 0; +} + +int usb_board_stop() +{ + /* may not want to do this */ + /* CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); */ + + return 0; +} + + /* * Magic Key Handling, mainly copied from board/lwmon/lwmon.c */ @@ -324,6 +370,12 @@ static void init_DA9030() return; } + val = 0x80; + if(i2c_write(addr, IRQ_MASK_B, 1, &val, 1)) { + printf("Error accessing DA9030 via i2c.\n"); + return; + } + i2c_reg_write(addr, REG_CONTROL_1_97, 0xfd); /* disable LDO1, enable LDO6 */ i2c_reg_write(addr, LDO2_3, 0xd1); /* LDO2 =1,9V, LDO3=3,1V */ i2c_reg_write(addr, LDO4_5, 0xcc); /* LDO2 =1,9V, LDO3=3,1V */ |