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- /*
- * 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
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