From 74652cf684fc8678a3c5377b1532394e2025ea49 Mon Sep 17 00:00:00 2001 From: Tom Warren Date: Thu, 14 Apr 2011 12:18:06 +0000 Subject: arm: Tegra2: add support for A9 CPU init Signed-off-by: Tom Warren --- arch/arm/cpu/armv7/start.S | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/arm/cpu/armv7/start.S') diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 6387b8b0aa..2929fc7e32 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -70,6 +70,18 @@ _end_vect: _TEXT_BASE: .word CONFIG_SYS_TEXT_BASE +#ifdef CONFIG_TEGRA2 +/* + * Tegra2 uses 2 separate CPUs - the AVP (ARM7TDMI) and the CPU (dual A9s). + * U-Boot runs on the AVP first, setting things up for the CPU (PLLs, + * muxes, clocks, clamps, etc.). Then the AVP halts, and expects the CPU + * to pick up its reset vector, which points here. + */ +.globl _armboot_start +_armboot_start: + .word _start +#endif + /* * These are defined in the board-specific linker script. */ -- cgit v1.2.1