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MX3: Add basic support for LogicPD i.MX31 LiteKit

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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: Daniel 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(+)
This commit is contained in:
Daniel Mack 2008-07-05 10:02:53 +02:00 committed by Robert Schwebel
parent ce8ffef0bf
commit 9a4cd7a5c8
6 changed files with 1245 additions and 0 deletions
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1100
arch/arm/configs/mx31litekit_defconfig Normal file
View file

File diff suppressed because it is too large Load diff

7
arch/arm/mach-mx3/Kconfig
View file

@ -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

1
arch/arm/mach-mx3/Makefile
View file

@ -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

96
arch/arm/mach-mx3/mx31lite.c Normal file
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@ -0,0 +1,96 @@
/*
* 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

38
include/asm-arm/arch-mxc/board-mx31lite.h Normal file
View file

@ -0,0 +1,38 @@
/*
* 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__ */

3
include/asm-arm/arch-mxc/debug-macro.S
View file

@ -18,6 +18,9 @@
#endif
#ifdef CONFIG_MACH_PCM037
#include <asm/arch/board-pcm037.h>
#endif
#ifdef CONFIG_MACH_MX31LITE
#include <asm/arch/board-mx31lite.h>
#endif
.macro addruart,rx