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/gpio.h>
31 #include <linux/init.h>
33 #include <asm/mach-au1x00/au1000.h>
34 #include <asm/mach-db1x00/db1x00.h>
35 #include <asm/mach-db1x00/bcsr.h>
39 const char *get_system_type(void)
41 #ifdef CONFIG_MIPS_BOSPORUS
42 return "Alchemy Bosporus Gateway Reference";
44 return "Alchemy Db1x00";
48 void board_reset(void)
50 bcsr_write(BCSR_SYSTEM, 0);
53 void __init board_setup(void)
55 unsigned long bcsr1, bcsr2;
59 bcsr1 = DB1000_BCSR_PHYS_ADDR;
60 bcsr2 = DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS;
62 #ifdef CONFIG_MIPS_DB1000
63 printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n");
65 #ifdef CONFIG_MIPS_DB1500
66 printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n");
68 #ifdef CONFIG_MIPS_DB1100
69 printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n");
71 #ifdef CONFIG_MIPS_BOSPORUS
72 printk(KERN_INFO "AMD Alchemy Bosporus Board\n");
74 #ifdef CONFIG_MIPS_MIRAGE
75 printk(KERN_INFO "AMD Alchemy Mirage Board\n");
77 #ifdef CONFIG_MIPS_DB1550
78 printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n");
80 bcsr1 = DB1550_BCSR_PHYS_ADDR;
81 bcsr2 = DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS;
84 /* initialize board register space */
85 bcsr_init(bcsr1, bcsr2);
87 argptr = prom_getcmdline();
88 #ifdef CONFIG_SERIAL_8250_CONSOLE
89 argptr = strstr(argptr, "console=");
91 argptr = prom_getcmdline();
92 strcat(argptr, " console=ttyS0,115200");
96 #ifdef CONFIG_FB_AU1100
97 argptr = strstr(argptr, "video=");
99 argptr = prom_getcmdline();
101 /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
105 #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
106 /* au1000 does not support vra, au1500 and au1100 do */
107 strcat(argptr, " au1000_audio=vra");
108 argptr = prom_getcmdline();
111 /* Not valid for Au1550 */
112 #if defined(CONFIG_IRDA) && \
113 (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
114 /* Set IRFIRSEL instead of GPIO15 */
115 pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF;
116 au_writel(pin_func, SYS_PINFUNC);
117 /* Power off until the driver is in use */
118 bcsr_mod(BCSR_RESETS, BCSR_RESETS_IRDA_MODE_MASK,
119 BCSR_RESETS_IRDA_MODE_OFF);
121 bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */
123 /* Enable GPIO[31:0] inputs */
124 alchemy_gpio1_input_enable();
126 #ifdef CONFIG_MIPS_MIRAGE
127 /* GPIO[20] is output */
128 alchemy_gpio_direction_output(20, 0);
130 /* Set GPIO[210:208] instead of SSI_0 */
131 pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
133 /* Set GPIO[215:211] for LEDs */
136 /* Set GPIO[214:213] for more LEDs */
139 /* Set GPIO[207:200] instead of PCMCIA/LCD */
140 pin_func |= SYS_PF_LCD | SYS_PF_PC;
141 au_writel(pin_func, SYS_PINFUNC);
144 * Enable speaker amplifier. This should
145 * be part of the audio driver.
147 alchemy_gpio_direction_output(209, 1);