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| author | Tony Lindgren <tony@atomide.com> | 2006-09-20 13:03:34 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-25 10:36:09 +0100 |
| commit | 7d95ded91149564100a3181d341361aedcfd5bf5 (patch) | |
| tree | 5be7882a7cc3f3c646f12c2c60cb7a689d46d0ba /arch/arm/kernel/debug.S | |
| parent | baf97ce6eda5891ee45fae9c1b06db855bb697e1 (diff) | |
| download | kernel-crypto-7d95ded91149564100a3181d341361aedcfd5bf5.tar.gz kernel-crypto-7d95ded91149564100a3181d341361aedcfd5bf5.tar.xz kernel-crypto-7d95ded91149564100a3181d341361aedcfd5bf5.zip | |
[ARM] 3838/1: ARM: DCC debug console support for ARM11
Adds support for CONFIG_DEBUG_ICEDCC for ARM11.
Tested on ARM1136 (OMAP2420).
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/debug.S')
| -rw-r--r-- | arch/arm/kernel/debug.S | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index a5747e58a9d..5617566477b 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -21,6 +21,36 @@ #if defined(CONFIG_DEBUG_ICEDCC) @@ debug using ARM EmbeddedICE DCC channel + +#if defined(CONFIG_CPU_V6) + + .macro addruart, rx + .endm + + .macro senduart, rd, rx + mcr p14, 0, \rd, c0, c5, 0 + .endm + + .macro busyuart, rd, rx +1001: + mrc p14, 0, \rx, c0, c1, 0 + tst \rx, #0x20000000 + beq 1001b + .endm + + .macro waituart, rd, rx + mov \rd, #0x2000000 +1001: + subs \rd, \rd, #1 + bmi 1002f + mrc p14, 0, \rx, c0, c1, 0 + tst \rx, #0x20000000 + bne 1001b +1002: + .endm + +#else + .macro addruart, rx .endm @@ -46,9 +76,12 @@ bne 1001b 1002: .endm + +#endif /* CONFIG_CPU_V6 */ + #else #include <asm/arch/debug-macro.S> -#endif +#endif /* CONFIG_DEBUG_ICEDCC */ /* * Useful debugging routines |