3 * DENX Software Engineering <mk@denx.de>
5 * SPDX-License-Identifier: GPL-2.0+
10 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
12 #include <asm/arch/clk.h>
14 int usb_cpu_init(void)
16 #ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
17 if (at91_pllb_clk_enable(get_pllb_init()))
20 #ifdef CONFIG_AT91SAM9N12
21 at91_usb_clk_init(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2);
23 #elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
24 if (at91_upll_clk_enable())
27 at91_usb_clk_init(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10);
30 at91_periph_clk_enable(ATMEL_ID_UHP);
32 at91_system_clk_enable(ATMEL_PMC_UHP);
33 #if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
34 at91_system_clk_enable(AT91_PMC_HCK0);
40 int usb_cpu_stop(void)
42 at91_periph_clk_disable(ATMEL_ID_UHP);
44 at91_system_clk_disable(ATMEL_PMC_UHP);
45 #if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
46 at91_system_clk_disable(AT91_PMC_HCK0);
49 #ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
50 #ifdef CONFIG_AT91SAM9N12
54 if (at91_pllb_clk_disable())
57 #elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
58 if (at91_upll_clk_disable())
65 int usb_cpu_init_fail(void)
67 return usb_cpu_stop();
70 #endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */