3 * BRIEF MODULE DESCRIPTION
4 * 4G Systems MTX-1 board setup.
6 * Copyright 2003 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc.
8 * ppopov@mvista.com or source@mvista.com
9 * Bruno Randolf <bruno.randolf@4g-systems.biz>
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
19 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
22 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
23 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 * You should have received a copy of the GNU General Public License along
28 * with this program; if not, write to the Free Software Foundation, Inc.,
29 * 675 Mass Ave, Cambridge, MA 02139, USA.
31 #include <linux/config.h>
32 #include <linux/init.h>
33 #include <linux/sched.h>
34 #include <linux/ioport.h>
36 #include <linux/console.h>
37 #include <linux/mc146818rtc.h>
38 #include <linux/delay.h>
41 #include <asm/bootinfo.h>
43 #include <asm/keyboard.h>
44 #include <asm/mipsregs.h>
45 #include <asm/reboot.h>
46 #include <asm/pgtable.h>
47 #include <asm/au1000.h>
49 extern struct rtc_ops no_rtc_ops
;
51 void __init
board_setup(void)
53 rtc_ops
= &no_rtc_ops
;
55 #if defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE)
56 #ifdef CONFIG_AU1X00_USB_DEVICE
57 // 2nd USB port is USB device
58 au_writel(au_readl(SYS_PINFUNC
) & (u32
)(~0x8000), SYS_PINFUNC
);
60 // enable USB power switch
61 au_writel( au_readl(GPIO2_DIR
) | 0x10, GPIO2_DIR
);
62 au_writel( 0x100000, GPIO2_OUTPUT
);
63 #endif // defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1000_USB_DEVICE)
66 #if defined(__MIPSEB__)
67 au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG
);
69 au_writel(0xf, Au1500_PCI_CFG
);
73 // initialize sys_pinfunc:
74 // disable second ethernet port (SYS_PF_NI2)
75 // set U3/GPIO23 to GPIO23 (SYS_PF_U3)
76 au_writel( SYS_PF_NI2
| SYS_PF_U3
, SYS_PINFUNC
);
79 au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR
);
80 au_writel( 0x00000001, SYS_OUTPUTCLR
); // set M66EN (PCI 66MHz) to OFF
81 au_writel( 0x00000008, SYS_OUTPUTSET
); // set PCI CLKRUN# to OFF
82 au_writel( 0x00000020, SYS_OUTPUTCLR
); // set eth PHY TX_ER to OFF
84 // enable LED and set it to green
85 au_writel( au_readl(GPIO2_DIR
) | 0x1800, GPIO2_DIR
);
86 au_writel( 0x18000800, GPIO2_OUTPUT
);
88 printk("4G Systems MTX-1 Board\n");