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git01.mediatek.com / filogic / uboot / 5f7ff712d43130e102c680eb16ee36f7357f20b4 / . / drivers / usb / host / ohci-at91.c
blob: 8ceabaf45c1b98501789b1039d03e8a937072b89 [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]2/*
3 * (C) Copyright 2006
Stelian Popf9e848b2008-05-08 22:52:09 +0200[diff] [blame]4 * DENX Software Engineering <mk@denx.de>
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]5 */
6
7#include <common.h>
8
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200[diff] [blame]9#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]10
Jean-Christophe PLAGNIOL-VILLARD23164f12009-04-16 21:30:44 +0200[diff] [blame]11#include <asm/arch/clk.h>
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]12
13int usb_cpu_init(void)
14{
Bo Shen4a985df2013-10-21 16:14:00 +0800[diff] [blame]15#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
Wenyou Yangcb88cd82016-02-03 10:20:44 +0800[diff] [blame]16 if (at91_pllb_clk_enable(get_pllb_init()))
17 return -1;
18
Bo Shen8ed87832013-10-21 16:13:59 +0800[diff] [blame]19#ifdef CONFIG_AT91SAM9N12
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]20 at91_usb_clk_init(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2);
Bo Shen8ed87832013-10-21 16:13:59 +0800[diff] [blame]21#endif
Bo Shen4a985df2013-10-21 16:14:00 +0800[diff] [blame]22#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]23 if (at91_upll_clk_enable())
24 return -1;
Sergey Matyukevichd25010d2010-06-09 23:09:06 +0400[diff] [blame]25
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]26 at91_usb_clk_init(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10);
Stelian Pope9fe2cf2008-11-09 00:14:46 +0100[diff] [blame]27#endif
28
Bo Shencf905632014-08-06 17:24:56 +0800[diff] [blame]29 at91_periph_clk_enable(ATMEL_ID_UHP);
Bo Shen72979a32013-05-12 22:40:53 +0000[diff] [blame]30
Wenyou Yangfbd4ac12016-02-03 10:16:51 +0800[diff] [blame]31 at91_system_clk_enable(ATMEL_PMC_UHP);
Bo Shenbed082f2013-04-17 00:09:51 +0000[diff] [blame]32#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
Wenyou Yangfbd4ac12016-02-03 10:16:51 +0800[diff] [blame]33 at91_system_clk_enable(AT91_PMC_HCK0);
Stelian Pop61e69d72008-05-08 20:52:22 +0200[diff] [blame]34#endif
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]35
36 return 0;
37}
38
39int usb_cpu_stop(void)
40{
Bo Shencf905632014-08-06 17:24:56 +0800[diff] [blame]41 at91_periph_clk_disable(ATMEL_ID_UHP);
Bo Shen72979a32013-05-12 22:40:53 +0000[diff] [blame]42
Wenyou Yangfbd4ac12016-02-03 10:16:51 +0800[diff] [blame]43 at91_system_clk_disable(ATMEL_PMC_UHP);
Bo Shenbed082f2013-04-17 00:09:51 +0000[diff] [blame]44#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
Wenyou Yangfbd4ac12016-02-03 10:16:51 +0800[diff] [blame]45 at91_system_clk_disable(AT91_PMC_HCK0);
Stelian Pop61e69d72008-05-08 20:52:22 +0200[diff] [blame]46#endif
Stelian Pope9fe2cf2008-11-09 00:14:46 +0100[diff] [blame]47
Bo Shen4a985df2013-10-21 16:14:00 +0800[diff] [blame]48#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
Bo Shen8ed87832013-10-21 16:13:59 +0800[diff] [blame]49#ifdef CONFIG_AT91SAM9N12
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]50 at91_usb_clk_init(0);
Bo Shen8ed87832013-10-21 16:13:59 +0800[diff] [blame]51#endif
Wenyou Yangcb88cd82016-02-03 10:20:44 +0800[diff] [blame]52
53 if (at91_pllb_clk_disable())
54 return -1;
55
Bo Shen4a985df2013-10-21 16:14:00 +0800[diff] [blame]56#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
Wenyou Yang2f7be642016-02-02 11:11:53 +0800[diff] [blame]57 if (at91_upll_clk_disable())
58 return -1;
Stelian Pope9fe2cf2008-11-09 00:14:46 +0100[diff] [blame]59#endif
60
Stelian Popd1aea1c2008-01-30 21:15:54 +0000[diff] [blame]61 return 0;
62}
63
64int usb_cpu_init_fail(void)
65{
66 return usb_cpu_stop();
67}
68
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200[diff] [blame]69#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */