Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Early serial output macro for Allwinner A1X SoCs
3 *
4 * Copyright (C) 2012 Maxime Ripard
5 *
6 * Maxime Ripard <maxime.ripard@free-electrons.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#if defined(CONFIG_DEBUG_SUNXI_UART0)
14#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28000
15#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28000
16#elif defined(CONFIG_DEBUG_SUNXI_UART1)
17#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400
18#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400
19#endif
20
21 .macro addruart, rp, rv, tmp
22 ldr \rp, =SUNXI_UART_DEBUG_PHYS_BASE
23 ldr \rv, =SUNXI_UART_DEBUG_VIRT_BASE
24 .endm
25
26#define UART_SHIFT 2
27#include <asm/hardware/debug-8250.S>