#ifndef __DEBUG__MACRO__S__ #define __DEBUG__MACRO__S__ #include #include #include INC_PLAT(offsets.h) #define UART01x_DR 0x00 /* * linux/arch/arm/kernel/debug.S * * Copyright (C) 1994-1999 Russell King * * 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. * * 32-bit debugging code */ .macro addruart,rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x10000000 orreq \rx, \rx, #0x001F0000 orreq \rx, \rx, #0x00001000 /* FIXME: This offset is incorrect for now. Make sure you pass correct offset */ movne \rx, #0xf9000000 @#IO_AREA0_VADDR addne \rx, \rx, #0xF1000 @ addne \rx, \rx, #PB926_UART0_VOFFSET @ UART0 page offset from @ virtual io area base. .endm .macro senduart,rd,rx strb \rd, [\rx, #UART01x_DR] .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 #endif /* __DEBUG__MACRO__S__ */