projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * | |
| 3 | * BRIEF MODULE DESCRIPTION | |
| 4 | * 4G Systems MTX-1 board setup. | |
| 5 | * | |
| 1ff1a78c SS |
6 | * Copyright 2003, 2008 MontaVista Software Inc. |
| 7 | * Author: MontaVista Software, Inc. <source@mvista.com> | |
| 1da177e4 LT |
8 | * Bruno Randolf <bruno.randolf@4g-systems.biz> |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify it | |
| 11 | * under the terms of the GNU General Public License as published by the | |
| 12 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 13 | * option) any later version. | |
| 14 | * | |
| 15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 16 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 17 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | |
| 18 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
| 21 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
| 22 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 | * | |
| 26 | * You should have received a copy of the GNU General Public License along | |
| 27 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 28 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 29 | */ | |
| ce28f94c | 30 | |
| bb706b28 | 31 | #include <linux/gpio.h> |
| 1da177e4 | 32 | #include <linux/init.h> |
| 7e50b2b7 | 33 | #include <linux/interrupt.h> |
| 32fd6901 | 34 | #include <linux/pm.h> |
| 1da177e4 | 35 | |
| 32fd6901 | 36 | #include <asm/reboot.h> |
| 1da177e4 LT |
37 | #include <asm/mach-au1x00/au1000.h> |
| 38 | ||
| 7179380e ML |
39 | #include <prom.h> |
| 40 | ||
| 32fd6901 | 41 | static void mtx1_reset(char *c) |
| 1da177e4 | 42 | { |
| 9ced9757 FF |
43 | /* Jump to the reset vector */ |
| 44 | __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); | |
| 1da177e4 LT |
45 | } |
| 46 | ||
| 32fd6901 ML |
47 | static void mtx1_power_off(void) |
| 48 | { | |
| 32fd6901 | 49 | while (1) |
| 36f217d9 RB |
50 | asm volatile ( |
| 51 | " .set mips32 \n" | |
| 52 | " wait \n" | |
| 53 | " .set mips0 \n"); | |
| 32fd6901 ML |
54 | } |
| 55 | ||
| 1da177e4 LT |
56 | void __init board_setup(void) |
| 57 | { | |
| f708631a | 58 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
| 1ff1a78c | 59 | /* Enable USB power switch */ |
| bb706b28 | 60 | alchemy_gpio_direction_output(204, 0); |
| f708631a | 61 | #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ |
| 1da177e4 | 62 | |
| 1ff1a78c SS |
63 | /* Initialize sys_pinfunc */ |
| 64 | au_writel(SYS_PF_NI2, SYS_PINFUNC); | |
| 1da177e4 | 65 | |
| 1ff1a78c | 66 | /* Initialize GPIO */ |
| b7f720d6 | 67 | au_writel(~0, KSEG1ADDR(AU1000_SYS_PHYS_ADDR) + SYS_TRIOUTCLR); |
| bb706b28 ML |
68 | alchemy_gpio_direction_output(0, 0); /* Disable M66EN (PCI 66MHz) */ |
| 69 | alchemy_gpio_direction_output(3, 1); /* Disable PCI CLKRUN# */ | |
| 70 | alchemy_gpio_direction_output(1, 1); /* Enable EXT_IO3 */ | |
| 71 | alchemy_gpio_direction_output(5, 0); /* Disable eth PHY TX_ER */ | |
| 1da177e4 | 72 | |
| 1ff1a78c | 73 | /* Enable LED and set it to green */ |
| bb706b28 ML |
74 | alchemy_gpio_direction_output(211, 1); /* green on */ |
| 75 | alchemy_gpio_direction_output(212, 0); /* red off */ | |
| 1da177e4 | 76 | |
| 32fd6901 ML |
77 | pm_power_off = mtx1_power_off; |
| 78 | _machine_halt = mtx1_power_off; | |
| 79 | _machine_restart = mtx1_reset; | |
| 80 | ||
| 1ff1a78c | 81 | printk(KERN_INFO "4G Systems MTX-1 Board\n"); |
| 1da177e4 | 82 | } |
| baa545fd | 83 | |
| 7e50b2b7 ML |
84 | static int __init mtx1_init_irq(void) |
| 85 | { | |
| e4ec7989 TG |
86 | irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH); |
| 87 | irq_set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW); | |
| 88 | irq_set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW); | |
| 89 | irq_set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW); | |
| 90 | irq_set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW); | |
| 7e50b2b7 ML |
91 | |
| 92 | return 0; | |
| 93 | } | |
| 94 | arch_initcall(mtx1_init_irq); |