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git01.mediatek.com / filogic / uboot / cb88cd897ee8a1dc009ffbb127eb8850edc4c06e / . / drivers / usb / host / ohci-at91.c
blob: e030a0ab1478c8f57a4595d740dd0d02ecdf28ec [file] [log] [blame]
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]1/*
2 * (C) Copyright 2006
Stelian Popf9e848b2008-05-08 22:52:09 +0200[diff] [blame]3 * DENX Software Engineering <mk@denx.de>
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +0200[diff] [blame]5 * SPDX-License-Identifier: GPL-2.0+
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]6 */
7
8#include <common.h>
9
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200[diff] [blame]10#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]11
Jean-Christophe PLAGNIOL-VILLARD23164f12009-04-16 21:30:44 +0200[diff] [blame]12#include <asm/arch/clk.h>
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]13
14int usb_cpu_init(void)
15{
Bo Shen4a985df2013-10-21 16:14:00 +0800[diff] [blame]16#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
Wenyou Yangcb88cd82016-02-03 10:20:44 +0800[diff] [blame^]17 if (at91_pllb_clk_enable(get_pllb_init()))
18 return -1;
19
Bo Shen8ed87832013-10-21 16:13:59 +0800[diff] [blame]20#ifdef CONFIG_AT91SAM9N12
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]21 at91_usb_clk_init(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2);
Bo Shen8ed87832013-10-21 16:13:59 +0800[diff] [blame]22#endif
Bo Shen4a985df2013-10-21 16:14:00 +0800[diff] [blame]23#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]24 if (at91_upll_clk_enable())
25 return -1;
Sergey Matyukevichd25010d2010-06-09 23:09:06 +0400[diff] [blame]26
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]27 at91_usb_clk_init(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10);
Stelian Pope9fe2cf2008-11-09 00:14:46 +0100[diff] [blame]28#endif
29
Bo Shencf905632014-08-06 17:24:56 +0800[diff] [blame]30 at91_periph_clk_enable(ATMEL_ID_UHP);
Bo Shen72979a32013-05-12 22:40:53 +0000[diff] [blame]31
Wenyou Yangfbd4ac12016-02-03 10:16:51 +0800[diff] [blame]32 at91_system_clk_enable(ATMEL_PMC_UHP);
Bo Shenbed082f2013-04-17 00:09:51 +0000[diff] [blame]33#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
Wenyou Yangfbd4ac12016-02-03 10:16:51 +0800[diff] [blame]34 at91_system_clk_enable(AT91_PMC_HCK0);
Stelian Pop61e69d72008-05-08 20:52:22 +0200[diff] [blame]35#endif
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]36
37 return 0;
38}
39
40int usb_cpu_stop(void)
41{
Bo Shencf905632014-08-06 17:24:56 +0800[diff] [blame]42 at91_periph_clk_disable(ATMEL_ID_UHP);
Bo Shen72979a32013-05-12 22:40:53 +0000[diff] [blame]43
Wenyou Yangfbd4ac12016-02-03 10:16:51 +0800[diff] [blame]44 at91_system_clk_disable(ATMEL_PMC_UHP);
Bo Shenbed082f2013-04-17 00:09:51 +0000[diff] [blame]45#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
Wenyou Yangfbd4ac12016-02-03 10:16:51 +0800[diff] [blame]46 at91_system_clk_disable(AT91_PMC_HCK0);
Stelian Pop61e69d72008-05-08 20:52:22 +0200[diff] [blame]47#endif
Stelian Pope9fe2cf2008-11-09 00:14:46 +0100[diff] [blame]48
Bo Shen4a985df2013-10-21 16:14:00 +0800[diff] [blame]49#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
Bo Shen8ed87832013-10-21 16:13:59 +0800[diff] [blame]50#ifdef CONFIG_AT91SAM9N12
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]51 at91_usb_clk_init(0);
Bo Shen8ed87832013-10-21 16:13:59 +0800[diff] [blame]52#endif
Wenyou Yangcb88cd82016-02-03 10:20:44 +0800[diff] [blame^]53
54 if (at91_pllb_clk_disable())
55 return -1;
56
Bo Shen4a985df2013-10-21 16:14:00 +0800[diff] [blame]57#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]58 if (at91_upll_clk_disable())
59 return -1;
Stelian Pope9fe2cf2008-11-09 00:14:46 +0100[diff] [blame]60#endif
61
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]62 return 0;
63}
64
65int usb_cpu_init_fail(void)
66{
67 return usb_cpu_stop();
68}
69
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200[diff] [blame]70#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */