diff options
Diffstat (limited to 'src/soc/nvidia/tegra210/bootblock_asm.S')
-rw-r--r-- | src/soc/nvidia/tegra210/bootblock_asm.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra210/bootblock_asm.S b/src/soc/nvidia/tegra210/bootblock_asm.S new file mode 100644 index 0000000000..766a1b8fbb --- /dev/null +++ b/src/soc/nvidia/tegra210/bootblock_asm.S @@ -0,0 +1,45 @@ +/* + * Early initialization code for ARM architecture. + * + * This file is based off of the OMAP3530/ARM Cortex start.S file from Das + * U-Boot, which itself got the file from armboot. + * + * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com> + * Copyright (c) 2001 Marius Gröger <mag@sysgo.de> + * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> + * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de> + * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> + * Copyright (c) 2003 Kshitij <kshitij@ti.com> + * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com> + * Copyright (c) 2013 The Chromium OS Authors + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#include <arch/asm.h> + +#include "stack.S" + +ENTRY(_start) + /* + * Set the cpu to System mode with IRQ and FIQ disabled. Prefetch/Data + * aborts may happen early and crash before the abort handlers are + * installed, but at least the problem will show up near the code that + * causes it. + */ + msr cpsr_cxf, #0xdf + + stack_init stack_top=_estack stack_bottom=_stack seed=1 func=main +ENDPROC(_start) |