diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-15 17:07:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-15 17:07:34 +0200 |
| commit | 04197c83b3e05546d1003cfa3ff43f1639c0057f (patch) | |
| tree | c04ddce9f519b91c0b20c6c09f7529928350eefe /arch/arm/include/asm/hardware/debug-8250.S | |
| parent | 71998e83c520c7a91b254dc9705baeedbee0d44f (diff) | |
| parent | b635acec48bcaa9183fcbf4e3955616b0d4119b5 (diff) | |
Merge branch 'linus' into x86/tracehook
Conflicts:
arch/x86/Kconfig
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/include/asm/hardware/debug-8250.S')
| -rw-r--r-- | arch/arm/include/asm/hardware/debug-8250.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hardware/debug-8250.S b/arch/arm/include/asm/hardware/debug-8250.S new file mode 100644 index 00000000000..22c689255e6 --- /dev/null +++ b/arch/arm/include/asm/hardware/debug-8250.S @@ -0,0 +1,29 @@ +/* + * arch/arm/include/asm/hardware/debug-8250.S + * + * Copyright (C) 1994-1999 Russell King + * + * 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 <linux/serial_reg.h> + + .macro senduart,rd,rx + strb \rd, [\rx, #UART_TX << UART_SHIFT] + .endm + + .macro busyuart,rd,rx +1002: ldrb \rd, [\rx, #UART_LSR << UART_SHIFT] + and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE + teq \rd, #UART_LSR_TEMT | UART_LSR_THRE + bne 1002b + .endm + + .macro waituart,rd,rx +#ifdef FLOW_CONTROL +1001: ldrb \rd, [\rx, #UART_MSR << UART_SHIFT] + tst \rd, #UART_MSR_CTS + beq 1001b +#endif + .endm |