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PXA: pxa27x USB OHCI support

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Signed-off-by: Rodolfo Giometti <giometti@linux.it>
This commit is contained in:
Rodolfo Giometti 2007-03-26 12:03:36 +02:00 • committed by Markus Klotzbuecher
parent ae79f60677
commit ae00bb4b29
2 changed files with 14 additions and 2 deletions
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1
README
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@ -248,6 +248,7 @@ The following options need to be configured:
CONFIG_SA1110
CONFIG_ARM7
CONFIG_PXA250
CONFIG_PXA27X
CONFIG_CPU_MONAHANS
MicroBlaze based CPUs:

15
cpu/pxa/usb.c
View file

@ -24,15 +24,21 @@
#include <common.h>
#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
# ifdef CONFIG_CPU_MONAHANS
# if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X)
#include <asm/arch/pxa-regs.h>
int usb_cpu_init()
{
#if defined(CONFIG_CPU_MONAHANS)
/* Enable USB host clock. */
CKENA |= (CKENA_2_USBHOST | CKENA_20_UDC);
udelay(100);
#endif
#if defined(CONFIG_PXA27X)
/* Enable USB host clock. */
CKEN |= CKEN10_USBHOST;
#endif
/* Configure Port 2 for Host (USB Client Registers) */
UP2OCR = 0x3000c;
@ -55,7 +61,12 @@ int usb_cpu_init()
UHCHR |= UHCHR_PSPL; /* USBHPWR is active low */
#endif
#if defined(CONFIG_CPU_MONAHANS)
UHCHR &= ~UHCHR_SSEP0;
#endif
#if defined(CONFIG_PXA27X)
UHCHR &= ~UHCHR_SSEP2;
#endif
UHCHR &= ~UHCHR_SSEP1;
UHCHR &= ~UHCHR_SSE;
@ -74,5 +85,5 @@ int usb_cpu_init_fail()
return 0;
}
# endif /* CONFIG_CPU_MONAHANS */
# endif /* defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X) */
#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */