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/*
* Copyright 2000-2003 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/mm.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
#include <asm/pgtable.h>
#include <asm/mach-au1x00/au1000.h>
void board_reset(void)
{
/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
au_writel(0x00000000, 0xAE00001C);
}
void __init board_setup(void)
{
u32 pin_func;
// set multiple use pins (UART3/GPIO) to UART (it's used as UART too)
pin_func = au_readl(SYS_PINFUNC) & (u32)(~SYS_PF_UR3);
pin_func |= SYS_PF_UR3;
au_writel(pin_func, SYS_PINFUNC);
// enable UART
au_writel(0x01, UART3_ADDR+UART_MOD_CNTRL); // clock enable (CE)
mdelay(10);
au_writel(0x03, UART3_ADDR+UART_MOD_CNTRL); // CE and "enable"
mdelay(10);
// enable DTR = USB power up
au_writel(0x01, UART3_ADDR+UART_MCR); //? UART_MCR_DTR is 0x01???
#ifdef CONFIG_PCMCIA_XXS1500
/* setup pcmcia signals */
au_writel(0, SYS_PININPUTEN);
/* gpio 0, 1, and 4 are inputs */
au_writel(1 | (1<<1) | (1<<4), SYS_TRIOUTCLR);
/* enable GPIO2 if not already enabled */
au_writel(1, GPIO2_ENABLE);
/* gpio2 208/9/10/11 are inputs */
au_writel((1<<8) | (1<<9) | (1<<10) | (1<<11), GPIO2_DIR);
/* turn off power */
au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30), GPIO2_OUTPUT);
#endif
#ifdef CONFIG_PCI
#if defined(__MIPSEB__)
au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
#else
au_writel(0xf, Au1500_PCI_CFG);
#endif
#endif
}
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