2 * Copyright 2000-2003, 2008 MontaVista Software Inc.
3 * Author: MontaVista Software, Inc. <source@mvista.com>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
11 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
13 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
14 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
15 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
16 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
17 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
18 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
19 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write to the Free Software Foundation, Inc.,
23 * 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <linux/init.h>
27 #include <linux/delay.h>
29 #include <asm/mach-au1x00/au1000.h>
33 void board_reset(void)
35 /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
36 au_writel(0x00000000, 0xAE00001C);
39 void __init board_setup(void)
43 #ifdef CONFIG_SERIAL_8250_CONSOLE
45 argptr = prom_getcmdline();
46 argptr = strstr(argptr, "console=");
48 argptr = prom_getcmdline();
49 strcat(argptr, " console=ttyS0,115200");
53 /* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
54 pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
55 pin_func |= SYS_PF_UR3;
56 au_writel(pin_func, SYS_PINFUNC);
59 au_writel(0x01, UART3_ADDR + UART_MOD_CNTRL); /* clock enable (CE) */
61 au_writel(0x03, UART3_ADDR + UART_MOD_CNTRL); /* CE and "enable" */
64 /* Enable DTR = USB power up */
65 au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */
67 #ifdef CONFIG_PCMCIA_XXS1500
68 /* Setup PCMCIA signals */
69 au_writel(0, SYS_PININPUTEN);
71 /* GPIO 0, 1, and 4 are inputs */
72 au_writel(1 | (1 << 1) | (1 << 4), SYS_TRIOUTCLR);
74 /* Enable GPIO2 if not already enabled */
75 au_writel(1, GPIO2_ENABLE);
76 /* GPIO2 208/9/10/11 are inputs */
77 au_writel((1 << 8) | (1 << 9) | (1 << 10) | (1 << 11), GPIO2_DIR);
80 au_writel((au_readl(GPIO2_PINSTATE) & ~(1 << 14)) | (1 << 30),
85 #if defined(__MIPSEB__)
86 au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
88 au_writel(0xf, Au1500_PCI_CFG);