diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/mips/alchemy/gpr/board_setup.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/mips/alchemy/gpr/board_setup.c')
-rw-r--r-- | arch/mips/alchemy/gpr/board_setup.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/arch/mips/alchemy/gpr/board_setup.c b/arch/mips/alchemy/gpr/board_setup.c new file mode 100644 index 00000000000..5f8f0691ed2 --- /dev/null +++ b/arch/mips/alchemy/gpr/board_setup.c | |||
@@ -0,0 +1,87 @@ | |||
1 | /* | ||
2 | * Copyright 2010 Wolfgang Grandegger <wg@denx.de> | ||
3 | * | ||
4 | * Copyright 2000-2003, 2008 MontaVista Software Inc. | ||
5 | * Author: MontaVista Software, Inc. <source@mvista.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify it | ||
8 | * under the terms of the GNU General Public License as published by the | ||
9 | * Free Software Foundation; either version 2 of the License, or (at your | ||
10 | * option) any later version. | ||
11 | * | ||
12 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
13 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
14 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
15 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
16 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
17 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
18 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
19 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
20 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
21 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
22 | * | ||
23 | * You should have received a copy of the GNU General Public License along | ||
24 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
25 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
26 | */ | ||
27 | |||
28 | #include <linux/gpio.h> | ||
29 | #include <linux/init.h> | ||
30 | #include <linux/interrupt.h> | ||
31 | #include <linux/delay.h> | ||
32 | #include <linux/pm.h> | ||
33 | |||
34 | #include <asm/reboot.h> | ||
35 | #include <asm/mach-au1x00/au1000.h> | ||
36 | |||
37 | #include <prom.h> | ||
38 | |||
39 | char irq_tab_alchemy[][5] __initdata = { | ||
40 | [0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, | ||
41 | }; | ||
42 | |||
43 | static void gpr_reset(char *c) | ||
44 | { | ||
45 | /* switch System-LED to orange (red# and green# on) */ | ||
46 | alchemy_gpio_direction_output(4, 0); | ||
47 | alchemy_gpio_direction_output(5, 0); | ||
48 | |||
49 | /* trigger watchdog to reset board in 200ms */ | ||
50 | printk(KERN_EMERG "Triggering watchdog soft reset...\n"); | ||
51 | raw_local_irq_disable(); | ||
52 | alchemy_gpio_direction_output(1, 0); | ||
53 | udelay(1); | ||
54 | alchemy_gpio_set_value(1, 1); | ||
55 | while (1) | ||
56 | cpu_wait(); | ||
57 | } | ||
58 | |||
59 | static void gpr_power_off(void) | ||
60 | { | ||
61 | while (1) | ||
62 | cpu_wait(); | ||
63 | } | ||
64 | |||
65 | void __init board_setup(void) | ||
66 | { | ||
67 | printk(KERN_INFO "Trapeze ITS GPR board\n"); | ||
68 | |||
69 | pm_power_off = gpr_power_off; | ||
70 | _machine_halt = gpr_power_off; | ||
71 | _machine_restart = gpr_reset; | ||
72 | |||
73 | /* Enable UART1/3 */ | ||
74 | alchemy_uart_enable(AU1000_UART3_PHYS_ADDR); | ||
75 | alchemy_uart_enable(AU1000_UART1_PHYS_ADDR); | ||
76 | |||
77 | /* Take away Reset of UMTS-card */ | ||
78 | alchemy_gpio_direction_output(215, 1); | ||
79 | |||
80 | #ifdef CONFIG_PCI | ||
81 | #if defined(__MIPSEB__) | ||
82 | au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); | ||
83 | #else | ||
84 | au_writel(0xf, Au1500_PCI_CFG); | ||
85 | #endif | ||
86 | #endif | ||
87 | } | ||