41 lines
640 B
C
41 lines
640 B
C
/*
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* Copyright (C) 2012 Sughosh Ganu <urwithsughosh@gmail.com>
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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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#include <asm/arch/da8xx-usb.h>
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int usb_cpu_init(void)
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{
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/* enable psc for usb2.0 */
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lpsc_on(DAVINCI_LPSC_USB20);
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/* enable psc for usb1.0 */
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lpsc_on(DAVINCI_LPSC_USB11);
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/* start the on-chip usb phy and its pll */
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if (usb_phy_on())
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return 0;
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return 1;
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}
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int usb_cpu_stop(void)
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{
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usb_phy_off();
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/* turn off the usb clock and assert the module reset */
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lpsc_disable(DAVINCI_LPSC_USB11);
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lpsc_disable(DAVINCI_LPSC_USB20);
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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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