From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/arm/include/debug/vt8500.S | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 arch/arm/include/debug/vt8500.S (limited to 'arch/arm/include/debug/vt8500.S') diff --git a/arch/arm/include/debug/vt8500.S b/arch/arm/include/debug/vt8500.S new file mode 100644 index 000000000..0e0ca0869 --- /dev/null +++ b/arch/arm/include/debug/vt8500.S @@ -0,0 +1,37 @@ +/* + * Debugging macro include header + * + * Copyright (C) 2010 Alexey Charkov + * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S + * Minor changes for readability. + * + * 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. + */ + +#define DEBUG_LL_PHYS_BASE 0xD8000000 +#define DEBUG_LL_VIRT_BASE 0xF8000000 +#define DEBUG_LL_UART_OFFSET 0x00200000 + +#if defined(CONFIG_DEBUG_VT8500_UART0) + .macro addruart, rp, rv, tmp + mov \rp, #DEBUG_LL_UART_OFFSET + orr \rv, \rp, #DEBUG_LL_VIRT_BASE + orr \rp, \rp, #DEBUG_LL_PHYS_BASE + .endm + + .macro senduart,rd,rx + strb \rd, [\rx, #0] + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x1c] + ands \rd, \rd, #0x2 + bne 1001b + .endm + + .macro waituart,rd,rx + .endm + +#endif -- cgit v1.2.3-54-g00ecf