3 * BRIEF MODULE DESCRIPTION
4 * Alchemy Db1x00 board setup.
6 * Copyright 2000, 2008 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc. <source@mvista.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/init.h>
32 #include <asm/mach-au1x00/au1000.h>
33 #include <asm/mach-db1x00/db1x00.h>
38 static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
40 const char *get_system_type(void)
42 #ifdef CONFIG_MIPS_BOSPORUS
43 return "Alchemy Bosporus Gateway Reference";
45 return "Alchemy Db1x00";
49 void board_reset(void)
51 /* Hit BCSR.SW_RESET[RESET] */
52 bcsr->swreset = 0x0000;
55 void __init board_setup(void)
60 argptr = prom_getcmdline();
61 #ifdef CONFIG_SERIAL_8250_CONSOLE
62 argptr = strstr(argptr, "console=");
64 argptr = prom_getcmdline();
65 strcat(argptr, " console=ttyS0,115200");
69 #ifdef CONFIG_FB_AU1100
70 argptr = strstr(argptr, "video=");
72 argptr = prom_getcmdline();
74 /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
78 #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
79 /* au1000 does not support vra, au1500 and au1100 do */
80 strcat(argptr, " au1000_audio=vra");
81 argptr = prom_getcmdline();
84 /* Not valid for Au1550 */
85 #if defined(CONFIG_IRDA) && \
86 (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
87 /* Set IRFIRSEL instead of GPIO15 */
88 pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF;
89 au_writel(pin_func, SYS_PINFUNC);
90 /* Power off until the driver is in use */
91 bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK;
92 bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF;
95 bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */
97 #ifdef CONFIG_MIPS_MIRAGE
98 /* Enable GPIO[31:0] inputs */
99 au_writel(0, SYS_PININPUTEN);
101 /* GPIO[20] is output, tristate the other input primary GPIOs */
102 au_writel(~(1 << 20), SYS_TRIOUTCLR);
104 /* Set GPIO[210:208] instead of SSI_0 */
105 pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
107 /* Set GPIO[215:211] for LEDs */
110 /* Set GPIO[214:213] for more LEDs */
113 /* Set GPIO[207:200] instead of PCMCIA/LCD */
114 pin_func |= SYS_PF_LCD | SYS_PF_PC;
115 au_writel(pin_func, SYS_PINFUNC);
118 * Enable speaker amplifier. This should
119 * be part of the audio driver.
121 au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR);
122 au_writel(0x02000200, GPIO2_OUTPUT);
127 #ifdef CONFIG_MIPS_DB1000
128 printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n");
130 #ifdef CONFIG_MIPS_DB1500
131 printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n");
133 #ifdef CONFIG_MIPS_DB1100
134 printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n");
136 #ifdef CONFIG_MIPS_BOSPORUS
137 printk(KERN_INFO "AMD Alchemy Bosporus Board\n");
139 #ifdef CONFIG_MIPS_MIRAGE
140 printk(KERN_INFO "AMD Alchemy Mirage Board\n");
142 #ifdef CONFIG_MIPS_DB1550
143 printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n");