diff options
Diffstat (limited to 'cpu/arm926ejs/at91/usb.c')
| -rw-r--r-- | cpu/arm926ejs/at91/usb.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/cpu/arm926ejs/at91/usb.c b/cpu/arm926ejs/at91/usb.c index 2a92f73..a15ab16 100644 --- a/cpu/arm926ejs/at91/usb.c +++ b/cpu/arm926ejs/at91/usb.c @@ -23,7 +23,7 @@ #include <common.h> -#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT) +#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) #include <asm/arch/hardware.h> #include <asm/arch/io.h> @@ -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; } @@ -59,4 +77,4 @@ int usb_cpu_init_fail(void) return usb_cpu_stop(); } -#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ +#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */ |