Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-clps711x/include/mach/debug-macro.S
17537 views
1
/* arch/arm/mach-clps711x/include/mach/debug-macro.S

2
 *

3
 * Debugging macro include header

4
 *

5
 *  Copyright (C) 1994-1999 Russell King

6
 *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks

7
 *

8
 * This program is free software; you can redistribute it and/or modify

9
 * it under the terms of the GNU General Public License version 2 as

10
 * published by the Free Software Foundation.

11
 *

12
*/

13


14
#include <mach/hardware.h>

15
#include <asm/hardware/clps7111.h>

16


17
		.macro	addruart, rp, rv

18
#ifndef CONFIG_DEBUG_CLPS711X_UART2

19
		mov	\rp, #0x0000	@ UART1

20
#else

21
		mov	\rp, #0x1000	@ UART2

22
#endif

23
		orr	\rv, \rp, #CLPS7111_VIRT_BASE

24
		orr	\rp, \rp, #CLPS7111_PHYS_BASE

25
		.endm

26


27
		.macro	senduart,rd,rx

28
		str	\rd, [\rx, #0x0480]	@ UARTDR

29
		.endm

30


31
		.macro	waituart,rd,rx

32
1001:		ldr	\rd, [\rx, #0x0140]	@ SYSFLGx

33
		tst	\rd, #1 << 11		@ UBUSYx

34
		bne	1001b

35
		.endm

36


37
		.macro	busyuart,rd,rx

38
		tst	\rx, #0x1000		@ UART2 does not have CTS here

39
		bne	1002f

40
1001:		ldr	\rd, [\rx, #0x0140]	@ SYSFLGx

41
		tst	\rd, #1 << 8		@ CTS

42
		bne	1001b

43
1002:

44
		.endm

45


46


47