diff options
| author | Rodolfo Giometti <[email protected]> | 2007-10-15 11:59:17 +0200 |
|---|---|---|
| committer | Markus Klotzbuecher <[email protected]> | 2007-10-31 10:07:47 +0100 |
| commit | 85ac988e86f9414fa645b0148dc66c3520a1eb84 (patch) | |
| tree | ffa58eaad8a65c372a26b36b24e89e27bba9a738 /cpu | |
| parent | d78791ae914d4e7c5edca1cdad73b3dc81a4eb82 (diff) | |
PXA USB OHCI: "usb stop" implementation.
Some USB keys need to be switched off before loading the kernel
otherwise they can remain in an undefined status which prevents them
to be correctly recognized by the kernel.
Signed-off-by: Rodolfo Giometti <[email protected]>
Signed-off-by: Markus Klotzbuecher <[email protected]>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/pxa/usb.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c index 72b7dfadfe7..aa6f4b7b9d1 100644 --- a/cpu/pxa/usb.c +++ b/cpu/pxa/usb.c @@ -89,6 +89,22 @@ int usb_cpu_stop(void) int usb_cpu_init_fail(void) { + UHCHR |= UHCHR_FHR; + udelay(11); + UHCHR &= ~UHCHR_FHR; + + UHCCOMS |= 1; + udelay(10); + +#if defined(CONFIG_CPU_MONAHANS) + UHCHR |= UHCHR_SSEP0; +#endif +#if defined(CONFIG_PXA27X) + UHCHR |= UHCHR_SSEP2; +#endif + UHCHR |= UHCHR_SSEP1; + UHCHR |= UHCHR_SSE; + return 0; } |