mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-29 05:18:51 +09:00
![Wolfgang Denk](/assets/img/avatar_default.png)
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/*
|
|
* (C) Copyright 2006
|
|
* Markus Klotzbuecher, DENX Software Engineering <mk@denx.de>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
|
|
#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
|
|
# if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_CPU_PXA27X)
|
|
|
|
#include <asm/arch/pxa-regs.h>
|
|
#include <asm/io.h>
|
|
#include <usb.h>
|
|
|
|
int usb_cpu_init(void)
|
|
{
|
|
#if defined(CONFIG_CPU_MONAHANS)
|
|
/* Enable USB host clock. */
|
|
writel(readl(CKENA) | CKENA_2_USBHOST | CKENA_20_UDC, CKENA);
|
|
udelay(100);
|
|
#endif
|
|
#if defined(CONFIG_CPU_PXA27X)
|
|
/* Enable USB host clock. */
|
|
writel(readl(CKEN) | CKEN10_USBHOST, CKEN);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CPU_MONAHANS)
|
|
/* Configure Port 2 for Host (USB Client Registers) */
|
|
writel(0x3000c, UP2OCR);
|
|
#endif
|
|
|
|
writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
|
|
mdelay(11);
|
|
writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
|
|
|
|
writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
|
|
while (readl(UHCHR) & UHCHR_FSBIR)
|
|
udelay(1);
|
|
|
|
#if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X)
|
|
writel(readl(UHCHR) & ~UHCHR_SSEP0, UHCHR);
|
|
#endif
|
|
#if defined(CONFIG_CPU_PXA27X)
|
|
writel(readl(UHCHR) & ~UHCHR_SSEP2, UHCHR);
|
|
#endif
|
|
writel(readl(UHCHR) & ~(UHCHR_SSEP1 | UHCHR_SSE), UHCHR);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int usb_cpu_stop(void)
|
|
{
|
|
writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
|
|
udelay(11);
|
|
writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
|
|
|
|
writel(readl(UHCCOMS) | UHCCOMS_HCR, UHCCOMS);
|
|
udelay(10);
|
|
|
|
#if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X)
|
|
writel(readl(UHCHR) | UHCHR_SSEP0, UHCHR);
|
|
#endif
|
|
#if defined(CONFIG_CPU_PXA27X)
|
|
writel(readl(UHCHR) | UHCHR_SSEP2, UHCHR);
|
|
#endif
|
|
writel(readl(UHCHR) | UHCHR_SSEP1 | UHCHR_SSE, UHCHR);
|
|
|
|
#if defined(CONFIG_CPU_MONAHANS)
|
|
/* Disable USB host clock. */
|
|
writel(readl(CKENA) & ~(CKENA_2_USBHOST | CKENA_20_UDC), CKENA);
|
|
udelay(100);
|
|
#endif
|
|
#if defined(CONFIG_CPU_PXA27X)
|
|
/* Disable USB host clock. */
|
|
writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
int usb_cpu_init_fail(void)
|
|
{
|
|
return usb_cpu_stop();
|
|
}
|
|
|
|
# endif /* defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_CPU_PXA27X) */
|
|
#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */
|