tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Early serial output macro for Marvell PXA/MMP SoC
3 *
4 * Copyright (C) 1994-1999 Russell King
5 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
6 *
7 * Copyright (C) 2013 Haojian Zhuang
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#if defined(CONFIG_DEBUG_PXA_UART1)
15#define PXA_UART_REG_PHYS_BASE 0x40100000
16#define PXA_UART_REG_VIRT_BASE 0xf2100000
17#elif defined(CONFIG_DEBUG_MMP_UART2)
18#define PXA_UART_REG_PHYS_BASE 0xd4017000
19#define PXA_UART_REG_VIRT_BASE 0xfe017000
20#elif defined(CONFIG_DEBUG_MMP_UART3)
21#define PXA_UART_REG_PHYS_BASE 0xd4018000
22#define PXA_UART_REG_VIRT_BASE 0xfe018000
23#else
24#error "Select uart for DEBUG_LL"
25#endif
26
27 .macro addruart, rp, rv, tmp
28 ldr \rp, =PXA_UART_REG_PHYS_BASE
29 ldr \rv, =PXA_UART_REG_VIRT_BASE
30 .endm
31
32#define UART_SHIFT 2
33#include <asm/hardware/debug-8250.S>