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// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2006 * DENX Software Engineering <mk@denx.de> */ #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(); }