diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/mips/alchemy/devboards/pb1550/board_setup.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1550/board_setup.c')
-rw-r--r-- | arch/mips/alchemy/devboards/pb1550/board_setup.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c new file mode 100644 index 00000000000..b790213848b --- /dev/null +++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c | |||
@@ -0,0 +1,86 @@ | |||
1 | /* | ||
2 | * | ||
3 | * BRIEF MODULE DESCRIPTION | ||
4 | * Alchemy Pb1550 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 | #include <linux/interrupt.h> | ||
32 | |||
33 | #include <asm/mach-au1x00/au1000.h> | ||
34 | #include <asm/mach-pb1x00/pb1550.h> | ||
35 | #include <asm/mach-db1x00/bcsr.h> | ||
36 | #include <asm/mach-au1x00/gpio.h> | ||
37 | |||
38 | #include <prom.h> | ||
39 | |||
40 | |||
41 | char irq_tab_alchemy[][5] __initdata = { | ||
42 | [12] = { -1, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD, AU1550_PCI_INTA }, /* IDSEL 12 - PCI slot 2 (left) */ | ||
43 | [13] = { -1, AU1550_PCI_INTA, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD }, /* IDSEL 13 - PCI slot 1 (right) */ | ||
44 | }; | ||
45 | |||
46 | const char *get_system_type(void) | ||
47 | { | ||
48 | return "Alchemy Pb1550"; | ||
49 | } | ||
50 | |||
51 | void __init board_setup(void) | ||
52 | { | ||
53 | u32 pin_func; | ||
54 | |||
55 | bcsr_init(PB1550_BCSR_PHYS_ADDR, | ||
56 | PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS); | ||
57 | |||
58 | alchemy_gpio2_enable(); | ||
59 | |||
60 | /* | ||
61 | * Enable PSC1 SYNC for AC'97. Normaly done in audio driver, | ||
62 | * but it is board specific code, so put it here. | ||
63 | */ | ||
64 | pin_func = au_readl(SYS_PINFUNC); | ||
65 | au_sync(); | ||
66 | pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; | ||
67 | au_writel(pin_func, SYS_PINFUNC); | ||
68 | |||
69 | bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */ | ||
70 | |||
71 | printk(KERN_INFO "AMD Alchemy Pb1550 Board\n"); | ||
72 | } | ||
73 | |||
74 | static int __init pb1550_init_irq(void) | ||
75 | { | ||
76 | irq_set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW); | ||
77 | irq_set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW); | ||
78 | irq_set_irq_type(AU1550_GPIO201_205_INT, IRQF_TRIGGER_HIGH); | ||
79 | |||
80 | /* enable both PCMCIA card irqs in the shared line */ | ||
81 | alchemy_gpio2_enable_int(201); | ||
82 | alchemy_gpio2_enable_int(202); | ||
83 | |||
84 | return 0; | ||
85 | } | ||
86 | arch_initcall(pb1550_init_irq); | ||