File: pl01x.S

package info (click to toggle)
linux 3.16.51-3
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-updates
  • size: 755,292 kB
  • sloc: ansic: 12,235,573; asm: 277,597; perl: 53,071; xml: 47,771; makefile: 30,539; sh: 7,977; python: 6,697; cpp: 5,131; yacc: 4,254; lex: 2,215; awk: 741; pascal: 231; lisp: 218; sed: 30
file content (38 lines) | stat: -rw-r--r-- 877 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/* arch/arm/include/debug/pl01x.S
 *
 * Debugging macro include header
 *
 *  Copyright (C) 1994-1999 Russell King
 *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
 *
 * 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/amba/serial.h>

#ifdef CONFIG_DEBUG_UART_PHYS
		.macro	addruart, rp, rv, tmp
		ldr	\rp, =CONFIG_DEBUG_UART_PHYS
		ldr	\rv, =CONFIG_DEBUG_UART_VIRT
		.endm
#endif

		.macro	senduart,rd,rx
		strb	\rd, [\rx, #UART01x_DR]
		.endm

		.macro	waituart,rd,rx
1001:		ldr	\rd, [\rx, #UART01x_FR]
 ARM_BE8(	rev	\rd, \rd )
		tst	\rd, #UART01x_FR_TXFF
		bne	1001b
		.endm

		.macro	busyuart,rd,rx
1001:		ldr	\rd, [\rx, #UART01x_FR]
 ARM_BE8(	rev	\rd, \rd )
		tst	\rd, #UART01x_FR_BUSY
		bne	1001b
		.endm