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| author | David Woodhouse <David.Woodhouse@intel.com> | 2012-11-21 14:38:13 +0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-11-21 14:38:13 +0400 |
| commit | 851462444d421c223965b12b836bef63da61b57f (patch) | |
| tree | 495baa14e638817941496c36e1443aed7dae0ea0 /arch/arm/include/debug/8250_32.S | |
| parent | 5a6ea4af0907f995dc06df21a9c9ef764c7cd3bc (diff) | |
| parent | 6924d99fcdf1a688538a3cdebd1f135c22eec191 (diff) | |
| download | linux-851462444d421c223965b12b836bef63da61b57f.tar.xz | |
Merge branch 'for-3.7' of git://git.infradead.org/users/dedekind/l2-mtd
Conflicts:
drivers/mtd/nand/nand_base.c
Diffstat (limited to 'arch/arm/include/debug/8250_32.S')
| -rw-r--r-- | arch/arm/include/debug/8250_32.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/include/debug/8250_32.S b/arch/arm/include/debug/8250_32.S new file mode 100644 index 000000000000..8db01eeabbb4 --- /dev/null +++ b/arch/arm/include/debug/8250_32.S @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2011 Picochip Ltd., Jamie Iles + * + * 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. + * + * Derived from arch/arm/mach-davinci/include/mach/debug-macro.S to use 32-bit + * accesses to the 8250. + */ + +#include <linux/serial_reg.h> + + .macro senduart,rd,rx + str \rd, [\rx, #UART_TX << UART_SHIFT] + .endm + + .macro busyuart,rd,rx +1002: ldr \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 + + /* The UART's don't have any flow control IO's wired up. */ + .macro waituart,rd,rx + .endm |