diff options
Diffstat (limited to 'sys/arm/at91/at91rm9200_devices.c')
-rw-r--r-- | sys/arm/at91/at91rm9200_devices.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sys/arm/at91/at91rm9200_devices.c b/sys/arm/at91/at91rm9200_devices.c new file mode 100644 index 0000000..7957fd0 --- /dev/null +++ b/sys/arm/at91/at91rm9200_devices.c @@ -0,0 +1,62 @@ +/*- + * Copyright (c) 2012 M. Warner Losh. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/module.h> + +#define _ARM32_BUS_DMA_PRIVATE +#include <machine/bus.h> + +#include <arm/at91/at91var.h> +#include <arm/at91/at91rm9200var.h> + +/* + * The AT91RM9200 uses the same silicon for both the BGA and PQFP + * packages. There's no documented way to detect this at runtime, + * so we require the board code to register what type of SoC is on the + * board in question. The pinouts are not quite compatible, and we + * use this information to cope with the slight differences. + */ +void +at91rm9200_set_subtype(enum at91_soc_subtype st) +{ + + switch (st) { + case AT91_ST_RM9200_BGA: + case AT91_ST_RM9200_PQFP: + soc_info.subtype = st; + break; + default: + panic("Bad SoC subtype %d for at91rm9200_set_subtype.", st); + break; + } +} |