diff options
Diffstat (limited to 'arch/mips/alchemy/db1x00/board_setup.c')
-rw-r--r-- | arch/mips/alchemy/db1x00/board_setup.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/arch/mips/alchemy/db1x00/board_setup.c b/arch/mips/alchemy/db1x00/board_setup.c new file mode 100644 index 000000000000..9e5ccbbfcedd --- /dev/null +++ b/arch/mips/alchemy/db1x00/board_setup.c | |||
@@ -0,0 +1,108 @@ | |||
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 | static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; | ||
36 | |||
37 | void board_reset(void) | ||
38 | { | ||
39 | /* Hit BCSR.SW_RESET[RESET] */ | ||
40 | bcsr->swreset = 0x0000; | ||
41 | } | ||
42 | |||
43 | void __init board_setup(void) | ||
44 | { | ||
45 | u32 pin_func = 0; | ||
46 | |||
47 | /* Not valid for Au1550 */ | ||
48 | #if defined(CONFIG_IRDA) && \ | ||
49 | (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100)) | ||
50 | /* Set IRFIRSEL instead of GPIO15 */ | ||
51 | pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF; | ||
52 | au_writel(pin_func, SYS_PINFUNC); | ||
53 | /* Power off until the driver is in use */ | ||
54 | bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK; | ||
55 | bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF; | ||
56 | au_sync(); | ||
57 | #endif | ||
58 | bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */ | ||
59 | |||
60 | #ifdef CONFIG_MIPS_MIRAGE | ||
61 | /* Enable GPIO[31:0] inputs */ | ||
62 | au_writel(0, SYS_PININPUTEN); | ||
63 | |||
64 | /* GPIO[20] is output, tristate the other input primary GPIOs */ | ||
65 | au_writel(~(1 << 20), SYS_TRIOUTCLR); | ||
66 | |||
67 | /* Set GPIO[210:208] instead of SSI_0 */ | ||
68 | pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0; | ||
69 | |||
70 | /* Set GPIO[215:211] for LEDs */ | ||
71 | pin_func |= 5 << 2; | ||
72 | |||
73 | /* Set GPIO[214:213] for more LEDs */ | ||
74 | pin_func |= 5 << 12; | ||
75 | |||
76 | /* Set GPIO[207:200] instead of PCMCIA/LCD */ | ||
77 | pin_func |= SYS_PF_LCD | SYS_PF_PC; | ||
78 | au_writel(pin_func, SYS_PINFUNC); | ||
79 | |||
80 | /* | ||
81 | * Enable speaker amplifier. This should | ||
82 | * be part of the audio driver. | ||
83 | */ | ||
84 | au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR); | ||
85 | au_writel(0x02000200, GPIO2_OUTPUT); | ||
86 | #endif | ||
87 | |||
88 | au_sync(); | ||
89 | |||
90 | #ifdef CONFIG_MIPS_DB1000 | ||
91 | printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n"); | ||
92 | #endif | ||
93 | #ifdef CONFIG_MIPS_DB1500 | ||
94 | printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n"); | ||
95 | #endif | ||
96 | #ifdef CONFIG_MIPS_DB1100 | ||
97 | printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n"); | ||
98 | #endif | ||
99 | #ifdef CONFIG_MIPS_BOSPORUS | ||
100 | printk(KERN_INFO "AMD Alchemy Bosporus Board\n"); | ||
101 | #endif | ||
102 | #ifdef CONFIG_MIPS_MIRAGE | ||
103 | printk(KERN_INFO "AMD Alchemy Mirage Board\n"); | ||
104 | #endif | ||
105 | #ifdef CONFIG_MIPS_DB1550 | ||
106 | printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n"); | ||
107 | #endif | ||
108 | } | ||