From 301f1aa384d0edcae6a22fd9adb933ad71695ecc Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher <mk@denx.de> Date: Tue, 23 May 2006 13:38:35 +0200 Subject: Changed the mp2usb (at91rm9200) board to use the generic OHCI driver. Some fixes to the latter. --- cpu/arm920t/at91rm9200/usb.c | 47 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 cpu/arm920t/at91rm9200/usb.c (limited to 'cpu/arm920t/at91rm9200/usb.c') diff --git a/cpu/arm920t/at91rm9200/usb.c b/cpu/arm920t/at91rm9200/usb.c new file mode 100644 index 0000000..7b83f23 --- /dev/null +++ b/cpu/arm920t/at91rm9200/usb.c @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2006 + * DENX Software Engineering <mk@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) +# ifdef CONFIG_AT91RM9200 + +#include <asm/arch/hardware.h> + +int usb_cpu_init() +{ + /* Enable USB host clock. */ + *AT91C_PMC_SCER = AT91C_PMC_UHP; /* 48MHz clock enabled for UHP */ + *AT91C_PMC_PCER = 1 << AT91C_ID_UHP; /* Peripheral Clock Enable Register */ + return 0; +} + +int usb_cpu_stop() +{ + /* Initialization failed */ + *AT91C_PMC_PCDR = 1 << AT91C_ID_UHP; /* Peripheral Clock Disable Register */ + *AT91C_PMC_SCDR = AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ + return 0; +} +# endif /* CONFIG_AT91RM9200 */ +#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ -- cgit v1.1 From ddf83a2fcef1a670c45fc585119dcc1fe062c4a9 Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher <mk@denx.de> Date: Tue, 30 May 2006 16:56:14 +0200 Subject: Support generic OHCI support for the s3c24x0 cpu. --- cpu/arm920t/at91rm9200/usb.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'cpu/arm920t/at91rm9200/usb.c') diff --git a/cpu/arm920t/at91rm9200/usb.c b/cpu/arm920t/at91rm9200/usb.c index 7b83f23..98e3cdd 100644 --- a/cpu/arm920t/at91rm9200/usb.c +++ b/cpu/arm920t/at91rm9200/usb.c @@ -43,5 +43,11 @@ int usb_cpu_stop() *AT91C_PMC_SCDR = AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ return 0; } + +int usb_cpu_init_fail() +{ + usb_cpu_stop(); +} + # endif /* CONFIG_AT91RM9200 */ #endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ -- cgit v1.1 From 7b59b3c7a8ce2e4b567abf99c1cd667bf35b9418 Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher <mk@denx.de> Date: Mon, 27 Nov 2006 11:44:58 +0100 Subject: Introduced the configuration option CONFIG_USB_OHCI_NEW in order to be able to choose between the old and the generic OHCI drivers. --- cpu/arm920t/at91rm9200/usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'cpu/arm920t/at91rm9200/usb.c') diff --git a/cpu/arm920t/at91rm9200/usb.c b/cpu/arm920t/at91rm9200/usb.c index 98e3cdd..366262e 100644 --- a/cpu/arm920t/at91rm9200/usb.c +++ b/cpu/arm920t/at91rm9200/usb.c @@ -23,7 +23,7 @@ #include <common.h> -#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) +#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT) # ifdef CONFIG_AT91RM9200 #include <asm/arch/hardware.h> -- cgit v1.1