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/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 | } | ||
