92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
|
/*
|
||
|
|
* 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/config.h>
|
||
|
|
#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/keyboard.h>
|
||
|
|
#include <asm/mipsregs.h>
|
||
|
|
#include <asm/reboot.h>
|
||
|
|
#include <asm/pgtable.h>
|
||
|
|
#include <asm/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
|
||
|
|
}
|