| /* arch/arm/mach-h720x/include/mach/debug-macro.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 <mach/hardware.h> |
| |
| .equ io_virt, IO_VIRT |
| .equ io_phys, IO_PHYS |
| |
| .macro addruart, rp, rv |
| mov \rp, #0x00020000 @ UART1 |
| add \rv, \rp, #io_virt @ virtual address |
| add \rp, \rp, #io_phys @ physical base address |
| .endm |
| |
| .macro senduart,rd,rx |
| str \rd, [\rx, #0x0] @ UARTDR |
| |
| .endm |
| |
| .macro waituart,rd,rx |
| 1001: ldr \rd, [\rx, #0x18] @ UARTFLG |
| tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full |
| bne 1001b |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1001: ldr \rd, [\rx, #0x18] @ UARTFLG |
| tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy |
| bne 1001b |
| .endm |
