linux/include/asm-arm/arch-mxc/debug-macro.S
Daniel Mack 9a4cd7a5c8 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: 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(+)
2008-07-05 10:02:53 +02:00

45 lines
1.0 KiB
ArmAsm

/* linux/include/asm-arm/arch-imx/debug-macro.S
*
* Debugging macro include header
*
* Copyright (C) 1994-1999 Russell King
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
*
* 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.
*
*/
#include <asm/arch/hardware.h>
#ifdef CONFIG_MACH_MX31ADS
#include <asm/arch/board-mx31ads.h>
#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
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
ldreq \rx, =MXC_LL_UART_PADDR @ physical
ldrne \rx, =MXC_LL_UART_VADDR @ virtual
.endm
.macro senduart,rd,rx
str \rd, [\rx, #0x40] @ TXDATA
.endm
.macro waituart,rd,rx
.endm
.macro busyuart,rd,rx
1002: ldr \rd, [\rx, #0x98] @ SR2
tst \rd, #1 << 3 @ TXDC
beq 1002b @ wait until transmit done
.endm