diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/db1x00/board_setup.c')
-rw-r--r-- | arch/mips/alchemy/devboards/db1x00/board_setup.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/db1x00/board_setup.c b/arch/mips/alchemy/devboards/db1x00/board_setup.c new file mode 100644 index 00000000000..a75ffbf99f2 --- /dev/null +++ b/arch/mips/alchemy/devboards/db1x00/board_setup.c | |||
@@ -0,0 +1,145 @@ | |||
1 | /* | ||
2 | * | ||
3 | * BRIEF MODULE DESCRIPTION | ||
4 | * Alchemy Db1x00 board setup. | ||
5 | * | ||
6 | * Copyright 2000, 2008 MontaVista Software Inc. | ||
7 | * Author: MontaVista Software, Inc. <source@mvista.com> | ||
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 | */ | ||
29 | |||
30 | #include <linux/init.h> | ||
31 | |||
32 | #include <asm/mach-au1x00/au1000.h> | ||
33 | #include <asm/mach-db1x00/db1x00.h> | ||
34 | |||
35 | #include <prom.h> | ||
36 | |||
37 | |||
38 | static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; | ||
39 | |||
40 | const char *get_system_type(void) | ||
41 | { | ||
42 | #ifdef CONFIG_MIPS_BOSPORUS | ||
43 | return "Alchemy Bosporus Gateway Reference"; | ||
44 | #else | ||
45 | return "Alchemy Db1x00"; | ||
46 | #endif | ||
47 | } | ||
48 | |||
49 | void board_reset(void) | ||
50 | { | ||
51 | /* Hit BCSR.SW_RESET[RESET] */ | ||
52 | bcsr->swreset = 0x0000; | ||
53 | } | ||
54 | |||
55 | void __init board_setup(void) | ||
56 | { | ||
57 | u32 pin_func = 0; | ||
58 | char *argptr; | ||
59 | |||
60 | argptr = prom_getcmdline(); | ||
61 | #ifdef CONFIG_SERIAL_8250_CONSOLE | ||
62 | argptr = strstr(argptr, "console="); | ||
63 | if (argptr == NULL) { | ||
64 | argptr = prom_getcmdline(); | ||
65 | strcat(argptr, " console=ttyS0,115200"); | ||
66 | } | ||
67 | #endif | ||
68 | |||
69 | #ifdef CONFIG_FB_AU1100 | ||
70 | argptr = strstr(argptr, "video="); | ||
71 | if (argptr == NULL) { | ||
72 | argptr = prom_getcmdline(); | ||
73 | /* default panel */ | ||
74 | /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/ | ||
75 | } | ||
76 | #endif | ||
77 | |||
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(); | ||
82 | #endif | ||
83 | |||
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; | ||
93 | au_sync(); | ||
94 | #endif | ||
95 | bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */ | ||
96 | |||
97 | #ifdef CONFIG_MIPS_MIRAGE | ||
98 | /* Enable GPIO[31:0] inputs */ | ||
99 | au_writel(0, SYS_PININPUTEN); | ||
100 | |||
101 | /* GPIO[20] is output, tristate the other input primary GPIOs */ | ||
102 | au_writel(~(1 << 20), SYS_TRIOUTCLR); | ||
103 | |||
104 | /* Set GPIO[210:208] instead of SSI_0 */ | ||
105 | pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0; | ||
106 | |||
107 | /* Set GPIO[215:211] for LEDs */ | ||
108 | pin_func |= 5 << 2; | ||
109 | |||
110 | /* Set GPIO[214:213] for more LEDs */ | ||
111 | pin_func |= 5 << 12; | ||
112 | |||
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); | ||
116 | |||
117 | /* | ||
118 | * Enable speaker amplifier. This should | ||
119 | * be part of the audio driver. | ||
120 | */ | ||
121 | au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR); | ||
122 | au_writel(0x02000200, GPIO2_OUTPUT); | ||
123 | #endif | ||
124 | |||
125 | au_sync(); | ||
126 | |||
127 | #ifdef CONFIG_MIPS_DB1000 | ||
128 | printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n"); | ||
129 | #endif | ||
130 | #ifdef CONFIG_MIPS_DB1500 | ||
131 | printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n"); | ||
132 | #endif | ||
133 | #ifdef CONFIG_MIPS_DB1100 | ||
134 | printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n"); | ||
135 | #endif | ||
136 | #ifdef CONFIG_MIPS_BOSPORUS | ||
137 | printk(KERN_INFO "AMD Alchemy Bosporus Board\n"); | ||
138 | #endif | ||
139 | #ifdef CONFIG_MIPS_MIRAGE | ||
140 | printk(KERN_INFO "AMD Alchemy Mirage Board\n"); | ||
141 | #endif | ||
142 | #ifdef CONFIG_MIPS_DB1550 | ||
143 | printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n"); | ||
144 | #endif | ||
145 | } | ||