3 * BRIEF MODULE DESCRIPTION
4 * MyCable XXS1500 board setup.
6 * Copyright 2000-2003 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc.
8 * ppopov@mvista.com or source@mvista.com
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
18 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
21 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * You should have received a copy of the GNU General Public License along
27 * with this program; if not, write to the Free Software Foundation, Inc.,
28 * 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/config.h>
31 #include <linux/init.h>
32 #include <linux/sched.h>
33 #include <linux/ioport.h>
35 #include <linux/console.h>
36 #include <linux/mc146818rtc.h>
37 #include <linux/delay.h>
40 #include <asm/bootinfo.h>
42 #include <asm/keyboard.h>
43 #include <asm/mipsregs.h>
44 #include <asm/reboot.h>
45 #include <asm/pgtable.h>
46 #include <asm/au1000.h>
48 extern struct rtc_ops no_rtc_ops;
50 void board_reset (void)
52 /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
53 au_writel(0x00000000, 0xAE00001C);
56 void __init board_setup(void)
60 rtc_ops = &no_rtc_ops;
62 // set multiple use pins (UART3/GPIO) to UART (it's used as UART too)
63 pin_func = au_readl(SYS_PINFUNC) & (u32)(~SYS_PF_UR3);
64 pin_func |= SYS_PF_UR3;
65 au_writel(pin_func, SYS_PINFUNC);
68 au_writel(0x01, UART3_ADDR+UART_MOD_CNTRL); // clock enable (CE)
70 au_writel(0x03, UART3_ADDR+UART_MOD_CNTRL); // CE and "enable"
73 // enable DTR = USB power up
74 au_writel(0x01, UART3_ADDR+UART_MCR); //? UART_MCR_DTR is 0x01???
76 #ifdef CONFIG_PCMCIA_XXS1500
77 /* setup pcmcia signals */
78 au_writel(0, SYS_PININPUTEN);
80 /* gpio 0, 1, and 4 are inputs */
81 au_writel(1 | (1<<1) | (1<<4), SYS_TRIOUTCLR);
83 /* enable GPIO2 if not already enabled */
84 au_writel(1, GPIO2_ENABLE);
85 /* gpio2 208/9/10/11 are inputs */
86 au_writel((1<<8) | (1<<9) | (1<<10) | (1<<11), GPIO2_DIR);
89 au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30), GPIO2_OUTPUT);
94 #if defined(__MIPSEB__)
95 au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
97 au_writel(0xf, Au1500_PCI_CFG);