diff options
| author | Russell King <rmk@flint.arm.linux.org.uk> | 2004-04-22 01:33:52 +0100 |
|---|---|---|
| committer | Russell King <rmk@flint.arm.linux.org.uk> | 2004-04-22 01:33:52 +0100 |
| commit | d8371fcd7cc2ad658932083728ad1984f5328a4f (patch) | |
| tree | 5e0a64be8204094f65008d065d1a347de064028d /arch/arm/kernel/debug.S | |
| parent | 7a928ead369c5d24be14ed57227477679966fa5d (diff) | |
[ARM] Add support for ARM Versatile platform.
This cset adds minimal support for ARM Ltd's ARM926EJ-S "Versatile"
platform.
Diffstat (limited to 'arch/arm/kernel/debug.S')
| -rw-r--r-- | arch/arm/kernel/debug.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index 5db32be694c0..319b21e4fc78 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -550,6 +550,35 @@ 1002: @ exit busyuart .endm + +#elif defined(CONFIG_ARCH_VERSATILE_PB) + +#include <asm/hardware/amba_serial.h> + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #0x10000000 + movne \rx, #0xf1000000 @ virtual base + orr \rx, \rx, #0x001F0000 + orr \rx, \rx, #0x00001000 + .endm + + .macro senduart,rd,rx + strb \rd, [\rx, #UART01x_DR] + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #0x18] @ UARTFLG + tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full + bne 1001b + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x18] @ UARTFLG + tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy + bne 1001b + .endm #else #error Unknown architecture #endif |