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/*
*
* BRIEF MODULE DESCRIPTION
* Alchemy Db1x00 board setup.
*
* Copyright 2000 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/mc146818rtc.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>
#include <asm/mach-db1x00/db1x00.h>
static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
void board_reset(void)
{
/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
bcsr->swreset = 0x0000;
}
void __init board_setup(void)
{
u32 pin_func;
pin_func = 0;
/* not valid for 1550 */
#if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
/* set IRFIRSEL instead of GPIO15 */
pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8));
au_writel(pin_func, SYS_PINFUNC);
/* power off until the driver is in use */
bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK;
bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF;
au_sync();
#endif
bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */
#ifdef CONFIG_MIPS_MIRAGE
/* enable GPIO[31:0] inputs */
au_writel(0, SYS_PININPUTEN);
/* GPIO[20] is output, tristate the other input primary GPIO's */
au_writel((u32)(~(1<<20)), SYS_TRIOUTCLR);
/* set GPIO[210:208] instead of SSI_0 */
pin_func = au_readl(SYS_PINFUNC) | (u32)(1);
/* set GPIO[215:211] for LED's */
pin_func |= (u32)((5<<2));
/* set GPIO[214:213] for more LED's */
pin_func |= (u32)((5<<12));
/* set GPIO[207:200] instead of PCMCIA/LCD */
pin_func |= (u32)((3<<17));
au_writel(pin_func, SYS_PINFUNC);
/* Enable speaker amplifier. This should
* be part of the audio driver.
*/
au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR);
au_writel(0x02000200, GPIO2_OUTPUT);
#endif
au_sync();
#ifdef CONFIG_MIPS_DB1000
printk("AMD Alchemy Au1000/Db1000 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1500
printk("AMD Alchemy Au1500/Db1500 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1100
printk("AMD Alchemy Au1100/Db1100 Board\n");
#endif
#ifdef CONFIG_MIPS_BOSPORUS
printk("AMD Alchemy Bosporus Board\n");
#endif
#ifdef CONFIG_MIPS_MIRAGE
printk("AMD Alchemy Mirage Board\n");
#endif
#ifdef CONFIG_MIPS_DB1550
printk("AMD Alchemy Au1550/Db1550 Board\n");
#endif
}
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