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authorJonathan Herman <hermanjl@cs.unc.edu>2013-01-22 10:38:37 -0500
committerJonathan Herman <hermanjl@cs.unc.edu>2013-01-22 10:38:37 -0500
commitfcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch)
treea57612d1888735a2ec7972891b68c1ac5ec8faea /arch/mips/alchemy/devboards/pb1550/board_setup.c
parent8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff)
Added missing tegra files.HEADmaster
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1550/board_setup.c')
-rw-r--r--arch/mips/alchemy/devboards/pb1550/board_setup.c86
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
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+++ 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
41char 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
46const char *get_system_type(void)
47{
48 return "Alchemy Pb1550";
49}
50
51void __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
74static 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}
86arch_initcall(pb1550_init_irq);