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| author |   Ben Dooks <ben-linux@fluff.org> | 2010-01-29 09:02:12 +0000 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2010-02-23 00:03:42 +0000 |
| commit | c116c1d7254348c7247ec4d7ab005dcc3f42565b (patch) | |
| tree | 795a4c7b8f11f728a1ff0d019a58d9878becd93e /arch/arm/plat-samsung/include/plat/debug-macro.S | |
| parent | ARM: Merge next-samsung-s3c64xx-platdeletion (diff) | |
| download | linux-dev-c116c1d7254348c7247ec4d7ab005dcc3f42565b.tar.xz linux-dev-c116c1d7254348c7247ec4d7ab005dcc3f42565b.zip | |
ARM: SAMSUNG: Move common headers from plat-s3c to plat-samsung
Move common headers from plat-s3c's include/plat directory into plat-samsung.
No need to fix any files, these are still included via <plat/>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/debug-macro.S')
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/debug-macro.S | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/debug-macro.S b/arch/arm/plat-samsung/include/plat/debug-macro.S new file mode 100644 index 000000000000..43ed0ec25f85 --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/debug-macro.S @@ -0,0 +1,75 @@ +/* arch/arm/plat-samsung/include/plat/debug-macro.S + * + * Copyright 2005, 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * 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 <plat/regs-serial.h> + +/* The S3C2440 implementations are used by default as they are the + * most widely re-used */ + + .macro fifo_level_s3c2440 rd, rx + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + and \rd, \rd, #S3C2440_UFSTAT_TXMASK + .endm + +#ifndef fifo_level +#define fifo_level fifo_level_s3c2440 +#endif + + .macro fifo_full_s3c2440 rd, rx + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + tst \rd, #S3C2440_UFSTAT_TXFULL + .endm + +#ifndef fifo_full +#define fifo_full fifo_full_s3c2440 +#endif + + .macro senduart,rd,rx + strb \rd, [\rx, # S3C2410_UTXH ] + .endm + + .macro busyuart, rd, rx + ldr \rd, [ \rx, # S3C2410_UFCON ] + tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? + beq 1001f @ + @ FIFO enabled... +1003: + fifo_full \rd, \rx + bne 1003b + b 1002f + +1001: + @ busy waiting for non fifo + ldr \rd, [ \rx, # S3C2410_UTRSTAT ] + tst \rd, #S3C2410_UTRSTAT_TXFE + beq 1001b + +1002: @ exit busyuart + .endm + + .macro waituart,rd,rx + ldr \rd, [ \rx, # S3C2410_UFCON ] + tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? + beq 1001f @ + @ FIFO enabled... +1003: + fifo_level \rd, \rx + teq \rd, #0 + bne 1003b + b 1002f +1001: + @ idle waiting for non fifo + ldr \rd, [ \rx, # S3C2410_UTRSTAT ] + tst \rd, #S3C2410_UTRSTAT_TXFE + beq 1001b + +1002: @ exit busyuart + .endm |