diff options
| author | Deepak Saxena <dsaxena@plexity.net> | 2005-06-24 15:54:35 -0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-06-24 15:54:35 -0400 |
| commit | 5932ae3f5d610fd8d047ef4693bab9f084e5c56d (patch) | |
| tree | fc9d2d3b8b3a0144a33524bddc0cbf25e8aedd26 /include/asm-arm/arch-ixp4xx/debug-macro.S | |
| parent | c4982887cacf2122bc256e901598b58caf4a34be (diff) | |
[PATCH] ARM: 2745/1: Fix IXP4xx debug macros
Patch from Deepak Saxena
Current IXP4xx debug macros do not work in the small window between
the MMU being enabled and the call to map_io() b/c the standard
peripheral mapping is not properly setup for use with the low-level
debug code. This patch creates a new section-aligned mapping for the
UART specifically for use with the debug macros.
Signed-off-by: Deepak Saxena
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-ixp4xx/debug-macro.S')
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/debug-macro.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ixp4xx/debug-macro.S b/include/asm-arm/arch-ixp4xx/debug-macro.S index 4499ae8e4b44..45a6c6cc29d5 100644 --- a/include/asm-arm/arch-ixp4xx/debug-macro.S +++ b/include/asm-arm/arch-ixp4xx/debug-macro.S | |||
| @@ -14,6 +14,7 @@ | |||
| 14 | mrc p15, 0, \rx, c1, c0 | 14 | mrc p15, 0, \rx, c1, c0 |
| 15 | tst \rx, #1 @ MMU enabled? | 15 | tst \rx, #1 @ MMU enabled? |
| 16 | moveq \rx, #0xc8000000 | 16 | moveq \rx, #0xc8000000 |
| 17 | orrne \rx, \rx, #0x00b00000 | ||
| 17 | movne \rx, #0xff000000 | 18 | movne \rx, #0xff000000 |
| 18 | add \rx,\rx,#3 @ Uart regs are at off set of 3 if | 19 | add \rx,\rx,#3 @ Uart regs are at off set of 3 if |
| 19 | @ byte writes used - Big Endian. | 20 | @ byte writes used - Big Endian. |