diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-02-07 21:55:17 +0100 |
|---|---|---|
| committer | Nicolas Pitre <nico@cam.org> | 2008-02-08 11:52:23 -0500 |
| commit | 7f74c2c7f760fdd44116e3dd90a5aeeb9d9333c7 (patch) | |
| tree | 46d579610a4baa5f9bd7ae7b7a0ed3f60b6628e1 /include/asm-arm/arch-orion/debug-macro.S | |
| parent | 27cd3ad2313e5aca5304a6f32060a90367edbf51 (diff) | |
[ARM] Orion: distinguish between physical and virtual addresses
Hack up the Orion port to distinguish between virtual and physical
addresses of register windows. This will allow moving virtual
mappings higher up in the address space, to free up more kernel
virtual address space.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'include/asm-arm/arch-orion/debug-macro.S')
| -rw-r--r-- | include/asm-arm/arch-orion/debug-macro.S | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-arm/arch-orion/debug-macro.S b/include/asm-arm/arch-orion/debug-macro.S index e2a80641f21..2746220f5d8 100644 --- a/include/asm-arm/arch-orion/debug-macro.S +++ b/include/asm-arm/arch-orion/debug-macro.S @@ -8,9 +8,14 @@ * published by the Free Software Foundation. */ +#include <asm/arch/orion.h> + .macro addruart,rx - mov \rx, #0xf1000000 - orr \rx, \rx, #0x00012000 + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =ORION_REGS_PHYS_BASE + ldrne \rx, =ORION_REGS_VIRT_BASE + orr \rx, \rx, #0x00012000 .endm #define UART_SHIFT 2 |