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/* arch/arm/plat-samsung/include/plat/debug-macro.S
 *
 * Copyright 2005, 2007 Simtec Electronics
 *	http://armlinux.simtec.co.uk/
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * 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_s3c.h>

/* The S5PV210/S5PC110 implementations are as belows. */

	.macro fifo_level_s5pv210 rd, rx
		ldr	\rd, [\rx, # S3C2410_UFSTAT]
ARM_BE8(rev \rd, \rd)
		and	\rd, \rd, #S5PV210_UFSTAT_TXMASK
	.endm

	.macro  fifo_full_s5pv210 rd, rx
		ldr	\rd, [\rx, # S3C2410_UFSTAT]
ARM_BE8(rev \rd, \rd)
		tst	\rd, #S5PV210_UFSTAT_TXFULL
	.endm

/* The S3C2440 implementations are used by default as they are the
 * most widely re-used */

	.macro fifo_level_s3c2440 rd, rx
		ldr	\rd, [\rx, # S3C2410_UFSTAT]
ARM_BE8(rev \rd, \rd)
		and	\rd, \rd, #S3C2440_UFSTAT_TXMASK
	.endm

#ifndef fifo_level
#define fifo_level fifo_level_s3c2440
#endif

	.macro  fifo_full_s3c2440 rd, rx
		ldr	\rd, [\rx, # S3C2410_UFSTAT]
ARM_BE8(rev \rd, \rd)
		tst	\rd, #S3C2440_UFSTAT_TXFULL
	.endm

#ifndef fifo_full
#define fifo_full fifo_full_s3c2440
#endif

	.macro	senduart,rd,rx
		strb 	\rd, [\rx, # S3C2410_UTXH]
	.endm

	.macro	busyuart, rd, rx
		ldr	\rd, [\rx, # S3C2410_UFCON]
ARM_BE8(rev \rd, \rd)
		tst	\rd, #S3C2410_UFCON_FIFOMODE	@ fifo enabled?
		beq	1001f				@
		@ FIFO enabled...
1003:
		fifo_full \rd, \rx
		bne	1003b
		b	1002f

1001:
		@ busy waiting for non fifo
		ldr	\rd, [\rx, # S3C2410_UTRSTAT]
ARM_BE8(rev \rd, \rd)
		tst	\rd, #S3C2410_UTRSTAT_TXFE
		beq	1001b

1002:		@ exit busyuart
	.endm

	.macro	waituart,rd,rx
		ldr	\rd, [\rx, # S3C2410_UFCON]
ARM_BE8(rev \rd, \rd)
		tst	\rd, #S3C2410_UFCON_FIFOMODE	@ fifo enabled?
		beq	1001f				@
		@ FIFO enabled...
1003:
		fifo_level \rd, \rx
		teq	\rd, #0
		bne	1003b
		b	1002f
1001:
		@ idle waiting for non fifo
		ldr	\rd, [\rx, # S3C2410_UTRSTAT]
ARM_BE8(rev \rd, \rd)
		tst	\rd, #S3C2410_UTRSTAT_TXFE
		beq	1001b

1002:		@ exit busyuart
	.endm

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8250.S File 1.19 KB 0644
asm9260.S File 753 B 0644
at91.S File 1.12 KB 0644
bcm63xx.S File 748 B 0644
brcmstb.S File 4.75 KB 0644
clps711x.S File 935 B 0644
dc21285.S File 950 B 0644
digicolor.S File 756 B 0644
efm32.S File 1.05 KB 0644
exynos.S File 1.29 KB 0644
icedcc.S File 1.47 KB 0644
imx-uart.h File 5.44 KB 0644
imx.S File 1.28 KB 0644
ks8695.S File 1.08 KB 0644
meson.S File 878 B 0644
msm.S File 1.38 KB 0644
netx.S File 795 B 0644
omap2plus.S File 2.15 KB 0644
palmchip.S File 199 B 0644
pl01x.S File 1004 B 0644
renesas-scif.S File 1.03 KB 0644
s3c24xx.S File 1.19 KB 0644
s5pv210.S File 1.01 KB 0644
sa1100.S File 1.75 KB 0644
samsung.S File 2.02 KB 0644
sirf.S File 824 B 0644
sti.S File 1.73 KB 0644
tegra.S File 6.74 KB 0644
uncompress.h File 222 B 0644
ux500.S File 1.44 KB 0644
vexpress.S File 1.33 KB 0644
vf.S File 1.01 KB 0644
vt8500.S File 881 B 0644
zynq.S File 1.61 KB 0644