Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * | |
3 | * BRIEF MODULE DESCRIPTION | |
4 | * Alchemy Db1x00 board setup. | |
5 | * | |
abd14cc0 SS |
6 | * Copyright 2000, 2008 MontaVista Software Inc. |
7 | * Author: MontaVista Software, Inc. <source@mvista.com> | |
1da177e4 LT |
8 | * |
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. | |
13 | * | |
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. | |
24 | * | |
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. | |
28 | */ | |
ce28f94c | 29 | |
ce65cc8f | 30 | #include <linux/gpio.h> |
1da177e4 | 31 | #include <linux/init.h> |
1da177e4 | 32 | |
1da177e4 LT |
33 | #include <asm/mach-au1x00/au1000.h> |
34 | #include <asm/mach-db1x00/db1x00.h> | |
35 | ||
7179380e ML |
36 | #include <prom.h> |
37 | ||
38 | ||
dea91002 | 39 | static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; |
1da177e4 | 40 | |
23ba25d5 ML |
41 | const char *get_system_type(void) |
42 | { | |
43 | #ifdef CONFIG_MIPS_BOSPORUS | |
44 | return "Alchemy Bosporus Gateway Reference"; | |
45 | #else | |
46 | return "Alchemy Db1x00"; | |
47 | #endif | |
48 | } | |
49 | ||
49a89efb | 50 | void board_reset(void) |
1da177e4 | 51 | { |
abd14cc0 | 52 | /* Hit BCSR.SW_RESET[RESET] */ |
dea91002 | 53 | bcsr->swreset = 0x0000; |
1da177e4 LT |
54 | } |
55 | ||
56 | void __init board_setup(void) | |
57 | { | |
abd14cc0 | 58 | u32 pin_func = 0; |
7179380e ML |
59 | char *argptr; |
60 | ||
61 | argptr = prom_getcmdline(); | |
62 | #ifdef CONFIG_SERIAL_8250_CONSOLE | |
63 | argptr = strstr(argptr, "console="); | |
64 | if (argptr == NULL) { | |
65 | argptr = prom_getcmdline(); | |
66 | strcat(argptr, " console=ttyS0,115200"); | |
67 | } | |
68 | #endif | |
69 | ||
70 | #ifdef CONFIG_FB_AU1100 | |
71 | argptr = strstr(argptr, "video="); | |
72 | if (argptr == NULL) { | |
73 | argptr = prom_getcmdline(); | |
74 | /* default panel */ | |
75 | /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/ | |
76 | } | |
77 | #endif | |
78 | ||
79 | #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000) | |
80 | /* au1000 does not support vra, au1500 and au1100 do */ | |
81 | strcat(argptr, " au1000_audio=vra"); | |
82 | argptr = prom_getcmdline(); | |
83 | #endif | |
1da177e4 | 84 | |
abd14cc0 SS |
85 | /* Not valid for Au1550 */ |
86 | #if defined(CONFIG_IRDA) && \ | |
87 | (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100)) | |
88 | /* Set IRFIRSEL instead of GPIO15 */ | |
89 | pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF; | |
1da177e4 | 90 | au_writel(pin_func, SYS_PINFUNC); |
abd14cc0 | 91 | /* Power off until the driver is in use */ |
1da177e4 | 92 | bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK; |
abd14cc0 | 93 | bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF; |
1da177e4 LT |
94 | au_sync(); |
95 | #endif | |
dea91002 | 96 | bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */ |
1da177e4 | 97 | |
abd14cc0 | 98 | /* Enable GPIO[31:0] inputs */ |
ce65cc8f | 99 | alchemy_gpio1_input_enable(); |
1da177e4 | 100 | |
ce65cc8f ML |
101 | #ifdef CONFIG_MIPS_MIRAGE |
102 | /* GPIO[20] is output */ | |
103 | alchemy_gpio_direction_output(20, 0); | |
1da177e4 | 104 | |
abd14cc0 SS |
105 | /* Set GPIO[210:208] instead of SSI_0 */ |
106 | pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0; | |
1da177e4 | 107 | |
abd14cc0 SS |
108 | /* Set GPIO[215:211] for LEDs */ |
109 | pin_func |= 5 << 2; | |
1da177e4 | 110 | |
abd14cc0 SS |
111 | /* Set GPIO[214:213] for more LEDs */ |
112 | pin_func |= 5 << 12; | |
1da177e4 | 113 | |
abd14cc0 SS |
114 | /* Set GPIO[207:200] instead of PCMCIA/LCD */ |
115 | pin_func |= SYS_PF_LCD | SYS_PF_PC; | |
1da177e4 LT |
116 | au_writel(pin_func, SYS_PINFUNC); |
117 | ||
abd14cc0 SS |
118 | /* |
119 | * Enable speaker amplifier. This should | |
1da177e4 LT |
120 | * be part of the audio driver. |
121 | */ | |
ce65cc8f | 122 | alchemy_gpio_direction_output(209, 1); |
1da177e4 LT |
123 | #endif |
124 | ||
125 | au_sync(); | |
126 | ||
127 | #ifdef CONFIG_MIPS_DB1000 | |
abd14cc0 | 128 | printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n"); |
1da177e4 LT |
129 | #endif |
130 | #ifdef CONFIG_MIPS_DB1500 | |
abd14cc0 | 131 | printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n"); |
1da177e4 LT |
132 | #endif |
133 | #ifdef CONFIG_MIPS_DB1100 | |
abd14cc0 | 134 | printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n"); |
1da177e4 LT |
135 | #endif |
136 | #ifdef CONFIG_MIPS_BOSPORUS | |
abd14cc0 | 137 | printk(KERN_INFO "AMD Alchemy Bosporus Board\n"); |
1da177e4 LT |
138 | #endif |
139 | #ifdef CONFIG_MIPS_MIRAGE | |
abd14cc0 | 140 | printk(KERN_INFO "AMD Alchemy Mirage Board\n"); |
1da177e4 LT |
141 | #endif |
142 | #ifdef CONFIG_MIPS_DB1550 | |
abd14cc0 | 143 | printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n"); |
1da177e4 LT |
144 | #endif |
145 | } |