diff options
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/debug-macro.S')
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/debug-macro.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S new file mode 100644 index 00000000000..8ea3bffb4e0 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/debug-macro.S @@ -0,0 +1,50 @@ +/* + * arch/arm/mach-tegra/include/mach/debug-macro.S + * + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Colin Cross <ccross@google.com> + * Erik Gilling <konkers@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <mach/io.h> + + .macro addruart, rp, rv + ldreq \rp, =IO_APB_PHYS @ physical + ldrne \rv, =IO_APB_VIRT @ virtual +#if defined(CONFIG_TEGRA_DEBUG_UART_NONE) +#error "A debug UART must be selected in the kernel config to use DEBUG_LL" +#elif defined(CONFIG_TEGRA_DEBUG_UARTA) + orr \rp, \rp, #0x6000 + orr \rv, \rv, #0x6000 +#elif defined(CONFIG_TEGRA_DEBUG_UARTB) + orr \rp, \rp, #0x6000 + orr \rp, \rp, #0x40 + orr \rv, \rv, #0x6000 + orr \rv, \rv, #0x40 +#elif defined(CONFIG_TEGRA_DEBUG_UARTC) + orr \rp, \rp, #0x6200 + orr \rv, \rv, #0x6200 +#elif defined(CONFIG_TEGRA_DEBUG_UARTD) + orr \rp, \rp, #0x6300 + orr \rv, \rv, #0x6300 +#elif defined(CONFIG_TEGRA_DEBUG_UARTE) + orr \rp, \rp, #0x6400 + orr \rv, \rv, #0x6400 +#endif + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> + |