hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390
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/*
 * (C) Copyright 2006
 * 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)
 
#include <asm/arch/clk.h>
 
int usb_cpu_init(void)
{
#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
   if (at91_pllb_clk_enable(get_pllb_init()))
       return -1;
 
#ifdef CONFIG_AT91SAM9N12
   at91_usb_clk_init(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2);
#endif
#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
   if (at91_upll_clk_enable())
       return -1;
 
   at91_usb_clk_init(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10);
#endif
 
   at91_periph_clk_enable(ATMEL_ID_UHP);
 
   at91_system_clk_enable(ATMEL_PMC_UHP);
#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
   at91_system_clk_enable(AT91_PMC_HCK0);
#endif
 
   return 0;
}
 
int usb_cpu_stop(void)
{
   at91_periph_clk_disable(ATMEL_ID_UHP);
 
   at91_system_clk_disable(ATMEL_PMC_UHP);
#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
   at91_system_clk_disable(AT91_PMC_HCK0);
#endif
 
#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
#ifdef CONFIG_AT91SAM9N12
   at91_usb_clk_init(0);
#endif
 
   if (at91_pllb_clk_disable())
       return -1;
 
#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
   if (at91_upll_clk_disable())
       return -1;
#endif
 
   return 0;
}
 
int usb_cpu_init_fail(void)
{
   return usb_cpu_stop();
}
 
#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */