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/*
* Low-level initialization for EP93xx
*
* Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
*
* Copyright (C) 2006 Dominic Rath <Dominic.Rath@gmx.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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 <linux/sizes.h>
#include <mach/ep93xx-regs.h>
#include <asm/barebox-arm-head.h>
.globl barebox_arm_reset_vector
barebox_arm_reset_vector:
bl arm_cpu_lowlevel_init
/* Turn on both LEDs */
bl red_LED_on
bl green_LED_on
/* Configure flash wait states before we switch to the PLL */
bl flash_cfg
/* Set up PLL */
bl pll_cfg
/* Turn off the Green LED and leave the Red LED on */
bl green_LED_off
/* Setup SDRAM */
bl sdram_cfg
/* Turn on Green LED, Turn off the Red LED */
bl green_LED_on
bl red_LED_off
/* switch to async mode */
mrc p15, 0, r0, c1, c0, 0
orr r0, r0, #0xc0000000
mcr p15, 0, r0, c1, c0, 0
/*
* FIXME: This is suitable for the edb9301, the
* only ep93xx board we have in our defconfigs.
* Other boards need different values here.
*/
mov r0, #0x05000000
mov r1, #SZ_8M
mov r2, #0
b barebox_arm_entry
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