1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* arch/arm/mach-s3c2410/include/mach/debug-macro.S
4 * Debugging macro include header
6 * Copyright (C) 1994-1999 Russell King
7 * Copyright (C) 2005 Simtec Electronics
9 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
12 #include <linux/serial_s3c.h>
14 #define S3C2410_UART1_OFF (0x4000)
16 .macro addruart, rp, rv, tmp
17 ldr \rp, = CONFIG_DEBUG_UART_PHYS
18 ldr \rv, = CONFIG_DEBUG_UART_VIRT
21 .macro fifo_full_s3c2410 rd, rx
22 ldr \rd, [\rx, # S3C2410_UFSTAT]
23 tst \rd, #S3C2410_UFSTAT_TXFULL
26 .macro fifo_level_s3c2410 rd, rx
27 ldr \rd, [\rx, # S3C2410_UFSTAT]
28 and \rd, \rd, #S3C2410_UFSTAT_TXMASK
31 /* Select the correct implementation depending on the configuration. The
32 * S3C2440 will get selected by default, as these are the most widely
33 * used variants of these
36 #if defined(CONFIG_DEBUG_S3C2410_UART)
37 #define fifo_full fifo_full_s3c2410
38 #define fifo_level fifo_level_s3c2410
41 /* include the reset of the code which will do the work */
43 #include <debug/samsung.S>