From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- .../arm/mach-footbridge/include/mach/debug-macro.S | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 arch/arm/mach-footbridge/include/mach/debug-macro.S (limited to 'arch/arm/mach-footbridge/include/mach/debug-macro.S') diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S new file mode 100644 index 00000000..c169f0c9 --- /dev/null +++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S @@ -0,0 +1,57 @@ +/* arch/arm/mach-footbridge/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 + +#ifndef CONFIG_DEBUG_DC21285_PORT + /* For NetWinder debugging */ + .macro addruart, rp, rv, tmp + mov \rp, #0x000003f8 + orr \rv, \rp, #0xfe000000 @ virtual + orr \rv, \rv, #0x00e00000 @ virtual + orr \rp, \rp, #0x7c000000 @ physical + .endm + +#define UART_SHIFT 0 +#define FLOW_CONTROL +#include + +#else +#include + /* For EBSA285 debugging */ + .equ dc21285_high, ARMCSR_BASE & 0xff000000 + .equ dc21285_low, ARMCSR_BASE & 0x00ffffff + + .macro addruart, rp, rv, tmp + .if dc21285_low + mov \rp, #dc21285_low + .else + mov \rp, #0 + .endif + orr \rv, \rp, #dc21285_high + orr \rp, \rp, #0x42000000 + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #0x160] @ UARTDR + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x178] @ UARTFLG + tst \rd, #1 << 3 + bne 1001b + .endm + + .macro waituart,rd,rx + .endm +#endif -- cgit v1.3.1