diff options
Diffstat (limited to 'arch/arm/include/debug/sunxi.S')
| -rw-r--r-- | arch/arm/include/debug/sunxi.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/include/debug/sunxi.S b/arch/arm/include/debug/sunxi.S new file mode 100644 index 00000000000..04eb56d5db2 --- /dev/null +++ b/arch/arm/include/debug/sunxi.S @@ -0,0 +1,27 @@ +/* + * Early serial output macro for Allwinner A1X SoCs + * + * Copyright (C) 2012 Maxime Ripard + * + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * 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. +*/ + +#if defined(CONFIG_DEBUG_SUNXI_UART0) +#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28000 +#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28000 +#elif defined(CONFIG_DEBUG_SUNXI_UART1) +#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400 +#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400 +#endif + + .macro addruart, rp, rv, tmp + ldr \rp, =SUNXI_UART_DEBUG_PHYS_BASE + ldr \rv, =SUNXI_UART_DEBUG_VIRT_BASE + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> |