For our at91rm9200 boards, register which subtype of SoC is on the
board. We'll use this later to control the differences between these two variants' pins.
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Warner Losh
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b9592bdab3
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1221371f4a
62
sys/arm/at91/at91rm9200_devices.c
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62
sys/arm/at91/at91rm9200_devices.c
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@ -0,0 +1,62 @@
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/*-
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* Copyright (c) 2012 M. Warner Losh. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#define _ARM32_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <arm/at91/at91var.h>
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#include <arm/at91/at91rm9200var.h>
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/*
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* The AT91RM9200 uses the same silicon for both the BGA and PQFP
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* packages. There's no documented way to detect this at runtime,
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* so we require the board code to register what type of SoC is on the
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* board in question. The pinouts are not quite compatible, and we
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* use this information to cope with the slight differences.
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*/
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void
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at91rm9200_set_subtype(enum at91_soc_subtype st)
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{
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switch (st) {
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case AT91_ST_RM9200_BGA:
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case AT91_ST_RM9200_PQFP:
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soc_info.subtype = st;
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break;
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default:
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panic("Bad SoC subtype %d for at91rm9200_set_subtype.", st);
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break;
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}
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}
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33
sys/arm/at91/at91rm9200var.h
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33
sys/arm/at91/at91rm9200var.h
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@ -0,0 +1,33 @@
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/*-
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* Copyright (c) 2012 M. Warner Losh. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* $FreeBSD$ */
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#ifndef ARM_AT91_AT91RM9200VAR_H
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#define ARM_AT91_AT91RM9200VAR_H
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void at91rm9200_set_subtype(enum at91_soc_subtype st);
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#endif /* ARM_AT91_AT91RM9200VAR_H */
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@ -1,6 +1,6 @@
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/*-
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* Copyright (c) 2005-2008 Olivier Houchard. All rights reserved.
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* Copyright (c) 2005-2008 Warner Losh. All rights reserved.
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* Copyright (c) 2005-2012 Warner Losh. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -31,13 +31,18 @@ __FBSDID("$FreeBSD$");
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#include <machine/board.h>
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#include <arm/at91/at91board.h>
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#include <arm/at91/at91var.h>
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#include <arm/at91/at91rm92reg.h>
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#include <arm/at91/at91rm9200var.h>
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#include <arm/at91/at91_piovar.h>
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#include <arm/at91/at91_pio_rm9200.h>
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BOARD_INIT long
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board_init(void)
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{
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at91rm9200_set_subtype(AT91_ST_RM9200_BGA);
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/*
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* Since the USART supports RS-485 multidrop mode, it allows the
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* TX pins to float. However, for RS-232 operations, we don't want
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@ -1,6 +1,6 @@
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/*-
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* Copyright (c) 2005-2008 Olivier Houchard. All rights reserved.
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* Copyright (c) 2005-2008 Warner Losh. All rights reserved.
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* Copyright (c) 2005-2012 Warner Losh. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -31,13 +31,18 @@ __FBSDID("$FreeBSD$");
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#include <machine/board.h>
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#include <arm/at91/at91board.h>
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#include <arm/at91/at91var.h>
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#include <arm/at91/at91rm92reg.h>
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#include <arm/at91/at91rm9200var.h>
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#include <arm/at91/at91_piovar.h>
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#include <arm/at91/at91_pio_rm9200.h>
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BOARD_INIT long
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board_init(void)
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{
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at91rm9200_set_subtype(AT91_ST_RM9200_BGA);
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/*
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* Since the USART supports RS-485 multidrop mode, it allows the
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* TX pins to float. However, for RS-232 operations, we don't want
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@ -1,6 +1,6 @@
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/*-
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* Copyright (c) 2005-2008 Olivier Houchard. All rights reserved.
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* Copyright (c) 2005-2008 Warner Losh. All rights reserved.
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* Copyright (c) 2005-2012 Warner Losh. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -30,15 +30,19 @@ __FBSDID("$FreeBSD$");
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#include <sys/systm.h>
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#include <machine/board.h>
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#include <arm/at91/at91var.h>
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#include <arm/at91/at91board.h>
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#include <arm/at91/at91var.h>
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#include <arm/at91/at91rm92reg.h>
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#include <arm/at91/at91rm9200var.h>
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#include <arm/at91/at91_piovar.h>
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#include <arm/at91/at91_pio_rm9200.h>
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BOARD_INIT long
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board_init(void)
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{
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at91rm9200_set_subtype(AT91_ST_RM9200_PQFP);
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/*
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* Since the USART supports RS-485 multidrop mode, it allows the
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* TX pins to float. However, for RS-232 operations, we don't want
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@ -1,6 +1,6 @@
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/*-
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* Copyright (c) 2005-2008 Olivier Houchard. All rights reserved.
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* Copyright (c) 2005-2008 Warner Losh. All rights reserved.
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* Copyright (c) 2005-2012 Warner Losh. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -31,13 +31,18 @@ __FBSDID("$FreeBSD$");
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#include <machine/board.h>
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#include <arm/at91/at91board.h>
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#include <arm/at91/at91var.h>
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#include <arm/at91/at91rm92reg.h>
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#include <arm/at91/at91rm9200var.h>
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#include <arm/at91/at91_piovar.h>
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#include <arm/at91/at91_pio_rm9200.h>
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BOARD_INIT long
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board_init(void)
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{
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at91rm9200_set_subtype(AT91_ST_RM9200_PQFP);
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/*
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* Since the USART supports RS-485 multidrop mode, it allows the
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* TX pins to float. However, for RS-232 operations, we don't want
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@ -29,6 +29,7 @@ arm/at91/uart_dev_at91usart.c optional uart
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#
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arm/at91/at91soc.c standard
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arm/at91/at91rm9200.c optional at91rm9200
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arm/at91/at91rm9200_devices.c optional at91rm9200
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arm/at91/at91sam9260.c optional at91sam9260
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arm/at91/at91sam9g20.c optional at91sam9g20
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arm/at91/at91sam9x25.c optional at91sam9x25
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