u-boot/arch/powerpc/cpu/ppc4xx/usb.c
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

45 lines
855 B
C

/*
* (C) Copyright 2007
* 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)
#ifdef CONFIG_4xx_DCACHE
#include <asm/mmu.h>
DECLARE_GLOBAL_DATA_PTR;
#endif
int usb_cpu_init(void)
{
#ifdef CONFIG_4xx_DCACHE
/* disable cache */
change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE);
#endif
return 0;
}
int usb_cpu_stop(void)
{
#ifdef CONFIG_4xx_DCACHE
/* enable cache */
change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
#endif
return 0;
}
int usb_cpu_init_fail(void)
{
#ifdef CONFIG_4xx_DCACHE
/* enable cache */
change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
#endif
return 0;
}
#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */