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Commit 9a4cd7a5 authored by Daniel Mack's avatar Daniel Mack Committed by Robert Schwebel
Browse files

MX3: Add basic support for LogicPD i.MX31 LiteKit 



This patch adds basic support for i.MX31 LiteKit by LogicPD.
With printascii() in kernel/printk.c, it boots right into the
rootfs-panic.

Note: This is a modified version of Daniel's patch to fit into this patch
stack.

> On 09.06.2008, at 17:26, Russell King - ARM Linux wrote:
>
> > I would much prefer it if board specific includes were included by the
> > code which needs them rather than in asm/arch/hardware.h.  With the
> > device model, drivers shouldn't need to include any board specific
> > includes - only the board specific C file should need it.
>
> The new version of this patch (#5102) has been uploaded to the patch
> tracker this morning.

Signed-off-by: default avatarDaniel Mack <daniel@caiaq.de>

-- 
 arch/arm/configs/mx31litekit_defconfig    | 1100 ++++++++++++++++++++++++++++++
 arch/arm/mach-mx3/Kconfig                 |    7 
 arch/arm/mach-mx3/Makefile                |    1 
 arch/arm/mach-mx3/mx31lite.c              |   96 ++
 include/asm-arm/arch-mxc/board-mx31lite.h |   38 +
 include/asm-arm/arch-mxc/debug-macro.S    |    3 
 6 files changed, 1245 insertions(+)
parent ce8ffef0

arch/arm/configs/mx31litekit_defconfig

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+1100 −0

File added.

Preview size limit exceeded, changes collapsed.

arch/arm/mach-mx3/Kconfig

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Original line number Original line Diff line number Diff line
@@ -14,5 +14,12 @@ config MACH_PCM037 
	  Include support for Phytec pcm037 platform. This includes

	  Include support for Phytec pcm037 platform. This includes

	  specific configurations for the board and its peripherals.

	  specific configurations for the board and its peripherals.





config MACH_MX31LITE

	bool "Support MX31 LITEKIT (LogicPD)"

	default n

	help

	  Include support for MX31 LITEKIT platform. This includes specific

	  configurations for the board and its peripherals.



endmenu

endmenu

arch/arm/mach-mx3/Makefile

+1 −0
Original line number Original line Diff line number Diff line
@@ -6,4 +6,5 @@ 




obj-y			:= mm.o clock.o devices.o iomux.o

obj-y			:= mm.o clock.o devices.o iomux.o

obj-$(CONFIG_MACH_MX31ADS)	+= mx31ads.o

obj-$(CONFIG_MACH_MX31ADS)	+= mx31ads.o

obj-$(CONFIG_MACH_MX31LITE)	+= mx31lite.o

obj-$(CONFIG_MACH_PCM037)	+= pcm037.o
 
obj-$(CONFIG_MACH_PCM037)	+= pcm037.o

arch/arm/mach-mx3/mx31lite.c

0 → 100644
+96 −0
Original line number Original line Diff line number Diff line 
/*

 *  Copyright (C) 2000 Deep Blue Solutions Ltd

 *  Copyright (C) 2002 Shane Nay (shane@minirl.com)

 *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.

 *

 * 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 <linux/types.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/memory.h>



#include <asm/hardware.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/arch/common.h>

#include <asm/page.h>

#include <asm/setup.h>

#include <asm/arch/board-mx31lite.h>



/*

 * This file contains the board-specific initialization routines.

 */



/*

 * This structure defines the MX31 memory map.

 */

static struct map_desc mx31lite_io_desc[] __initdata = {

	{

		.virtual = AIPS1_BASE_ADDR_VIRT,

		.pfn = __phys_to_pfn(AIPS1_BASE_ADDR),

		.length = AIPS1_SIZE,

		.type = MT_NONSHARED_DEVICE

	}, {

		.virtual = SPBA0_BASE_ADDR_VIRT,

		.pfn = __phys_to_pfn(SPBA0_BASE_ADDR),

		.length = SPBA0_SIZE,

		.type = MT_NONSHARED_DEVICE

	}, {

		.virtual = AIPS2_BASE_ADDR_VIRT,

		.pfn = __phys_to_pfn(AIPS2_BASE_ADDR),

		.length = AIPS2_SIZE,

		.type = MT_NONSHARED_DEVICE

	}, {

		.virtual = CS4_BASE_ADDR_VIRT,

		.pfn = __phys_to_pfn(CS4_BASE_ADDR),

		.length = CS4_SIZE,

		.type = MT_DEVICE

	}

};



/*

 * Set up static virtual mappings.

 */

void __init mx31lite_map_io(void)

{

	mxc_map_io();

	iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));

}



/*

 * Board specific initialization.

 */

static void __init mxc_board_init(void)

{

}



/*

 * The following uses standard kernel macros defined in arch.h in order to

 * initialize __mach_desc_MX31LITE data structure.

 */



MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")

	/* Maintainer: Freescale Semiconductor, Inc. */

	.phys_io        = AIPS1_BASE_ADDR,

	.io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,

	.boot_params    = PHYS_OFFSET + 0x100,

	.map_io         = mx31lite_map_io,

	.init_irq       = mxc_init_irq,

	.init_machine   = mxc_board_init,

	.timer          = &mxc_timer,

MACHINE_END

include/asm-arm/arch-mxc/board-mx31lite.h

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+38 −0
Original line number Original line Diff line number Diff line 
/*

 * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.

 */



/*

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */



#ifndef __ASM_ARCH_MXC_BOARD_MX31LITE_H__

#define __ASM_ARCH_MXC_BOARD_MX31LITE_H__



#define MXC_MAX_EXP_IO_LINES	16





/*

 * Memory Size parameters

 */



/*

 * Size of SDRAM memory

 */

#define SDRAM_MEM_SIZE		SZ_128M

/*

 * Size of MBX buffer memory

 */

#define MXC_MBX_MEM_SIZE	SZ_16M

/*

 * Size of memory available to kernel

 */

#define MEM_SIZE		(SDRAM_MEM_SIZE - MXC_MBX_MEM_SIZE)



#define MXC_LL_UART_PADDR	UART1_BASE_ADDR

#define MXC_LL_UART_VADDR	AIPS1_IO_ADDRESS(UART1_BASE_ADDR)



#endif /* __ASM_ARCH_MXC_BOARD_MX31ADS_H__ */