diff options
Diffstat (limited to 'arch/arm/include/debug/s3c24xx.S')
| -rw-r--r-- | arch/arm/include/debug/s3c24xx.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/include/debug/s3c24xx.S b/arch/arm/include/debug/s3c24xx.S new file mode 100644 index 000000000..af873b526 --- /dev/null +++ b/arch/arm/include/debug/s3c24xx.S @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* arch/arm/mach-s3c2410/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Copyright (C) 2005 Simtec Electronics + * + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks +*/ + +#include <linux/serial_s3c.h> + +#define S3C2410_UART1_OFF (0x4000) + + .macro addruart, rp, rv, tmp + ldr \rp, = CONFIG_DEBUG_UART_PHYS + ldr \rv, = CONFIG_DEBUG_UART_VIRT + .endm + + .macro fifo_full_s3c2410 rd, rx + ldr \rd, [\rx, # S3C2410_UFSTAT] + tst \rd, #S3C2410_UFSTAT_TXFULL + .endm + + .macro fifo_level_s3c2410 rd, rx + ldr \rd, [\rx, # S3C2410_UFSTAT] + and \rd, \rd, #S3C2410_UFSTAT_TXMASK + .endm + +/* Select the correct implementation depending on the configuration. The + * S3C2440 will get selected by default, as these are the most widely + * used variants of these +*/ + +#if defined(CONFIG_DEBUG_S3C2410_UART) +#define fifo_full fifo_full_s3c2410 +#define fifo_level fifo_level_s3c2410 +#endif + +/* include the reset of the code which will do the work */ + +#include <debug/samsung.S> |