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authorPatrick Georgi <pgeorgi@chromium.org>2015-06-22 19:41:29 +0200
committerPatrick Georgi <pgeorgi@google.com>2015-06-30 21:43:01 +0200
commit40a3e321d4e8f2877de1700db67b8c7f7ea89820 (patch)
treeb8270b2ceb9e290d2e4e9a99868acb9cd335de6f /src/soc/nvidia/tegra210/bootblock_asm.S
parent7f641e68f25c0b79960a97a6b265851c46298aae (diff)
nvidia/tegra210: add new SoC
This includes Chrome OS downstream up to Change-Id: Ic89ed54c. Change-Id: I81853434600390d643160fe57554495b2bfe60ab Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/10633 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/nvidia/tegra210/bootblock_asm.S')
-rw-r--r--src/soc/nvidia/tegra210/bootblock_asm.S45
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)