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https://github.com/brain-hackers/u-boot-brain
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9cf7385c9b
Due to introducing the new PLLB clock handle functions, use these functions to clean up the PLLB enable/disable code. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com> Tested-by: Heiko Schocher <hs@denx.de>
71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
/*
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* (C) Copyright 2006
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* DENX Software Engineering <mk@denx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
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#include <asm/arch/clk.h>
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int usb_cpu_init(void)
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{
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#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
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if (at91_pllb_clk_enable(get_pllb_init()))
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return -1;
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#ifdef CONFIG_AT91SAM9N12
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at91_usb_clk_init(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2);
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#endif
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#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
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if (at91_upll_clk_enable())
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return -1;
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at91_usb_clk_init(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10);
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#endif
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at91_periph_clk_enable(ATMEL_ID_UHP);
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at91_system_clk_enable(ATMEL_PMC_UHP);
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#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
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at91_system_clk_enable(AT91_PMC_HCK0);
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#endif
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return 0;
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}
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int usb_cpu_stop(void)
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{
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at91_periph_clk_disable(ATMEL_ID_UHP);
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at91_system_clk_disable(ATMEL_PMC_UHP);
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#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
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at91_system_clk_disable(AT91_PMC_HCK0);
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#endif
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#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
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#ifdef CONFIG_AT91SAM9N12
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at91_usb_clk_init(0);
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#endif
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if (at91_pllb_clk_disable())
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return -1;
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#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
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if (at91_upll_clk_disable())
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return -1;
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#endif
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return 0;
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}
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int usb_cpu_init_fail(void)
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{
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return usb_cpu_stop();
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}
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#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */
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