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

	  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

arch/arm/mach-mx3/Makefile

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


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

obj-$(CONFIG_MACH_MX31ADS)	+= mx31ads.o

obj-$(CONFIG_MACH_MX31LITE)	+= mx31lite.o

obj-$(CONFIG_MACH_PCM037)	+= pcm037.o

arch/arm/mach-mx3/mx31lite.c

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