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| author | Kim Phillips <kim.phillips@freescale.com> | 2009-01-21 18:38:51 -0600 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2009-01-21 18:38:51 -0600 |
| commit | be4880ebe4355e8782be4af4b337a1b98dffcbe3 (patch) | |
| tree | 8b699181073305221b95f338a2d9107ab1bbfa3f /cpu/arm926ejs/at91/usb.c | |
| parent | 633639587e3596f0dbf5e6247dd3faf80b1d9063 (diff) | |
| parent | 72d15e705bc3983884105cb7755c7ba80e74a0a5 (diff) | |
| download | u-boot-imx-be4880ebe4355e8782be4af4b337a1b98dffcbe3.zip u-boot-imx-be4880ebe4355e8782be4af4b337a1b98dffcbe3.tar.gz u-boot-imx-be4880ebe4355e8782be4af4b337a1b98dffcbe3.tar.bz2 | |
Merge branch 'master' into next
Diffstat (limited to 'cpu/arm926ejs/at91/usb.c')
| -rw-r--r-- | cpu/arm926ejs/at91/usb.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/cpu/arm926ejs/at91/usb.c b/cpu/arm926ejs/at91/usb.c index 7cb082d..a15ab16 100644 --- a/cpu/arm926ejs/at91/usb.c +++ b/cpu/arm926ejs/at91/usb.c @@ -31,6 +31,15 @@ int usb_cpu_init(void) { + +#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \ + defined(CONFIG_AT91SAM9263) + /* Enable PLLB */ + at91_sys_write(AT91_CKGR_PLLBR, CONFIG_SYS_AT91_PLLB); + while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB) + ; +#endif + /* Enable USB host clock. */ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_UHP); #ifdef CONFIG_AT91SAM9261 @@ -51,6 +60,15 @@ int usb_cpu_stop(void) #else at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP); #endif + +#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \ + defined(CONFIG_AT91SAM9263) + /* Disable PLLB */ + at91_sys_write(AT91_CKGR_PLLBR, 0); + while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != 0) + ; +#endif + return 0; } |