diff options
Diffstat (limited to 'arch/mips/alchemy/mtx-1/board_setup.c')
| -rw-r--r-- | arch/mips/alchemy/mtx-1/board_setup.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c deleted file mode 100644 index 6398fa95905..00000000000 --- a/arch/mips/alchemy/mtx-1/board_setup.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * 4G Systems MTX-1 board setup. - * - * Copyright 2003, 2008 MontaVista Software Inc. - * Author: MontaVista Software, Inc. <source@mvista.com> - * Bruno Randolf <bruno.randolf@4g-systems.biz> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/pm.h> - -#include <asm/reboot.h> -#include <asm/mach-au1x00/au1000.h> - -#include <prom.h> - -char irq_tab_alchemy[][5] __initdata = { - [0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 00 - AdapterA-Slot0 (top) */ - [1] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */ - [2] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 02 - AdapterB-Slot0 (top) */ - [3] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */ - [4] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 04 - AdapterC-Slot0 (top) */ - [5] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */ - [6] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 06 - AdapterD-Slot0 (top) */ - [7] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */ -}; - -extern int (*board_pci_idsel)(unsigned int devsel, int assert); -int mtx1_pci_idsel(unsigned int devsel, int assert); - -static void mtx1_reset(char *c) -{ - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writel(0x00000000, 0xAE00001C); -} - -static void mtx1_power_off(void) -{ - while (1) - asm volatile ( - " .set mips32 \n" - " wait \n" - " .set mips0 \n"); -} - -void __init board_setup(void) -{ -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - /* Enable USB power switch */ - alchemy_gpio_direction_output(204, 0); -#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ - -#ifdef CONFIG_PCI -#if defined(__MIPSEB__) - au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); -#else - au_writel(0xf, Au1500_PCI_CFG); -#endif - board_pci_idsel = mtx1_pci_idsel; -#endif - - /* Initialize sys_pinfunc */ - au_writel(SYS_PF_NI2, SYS_PINFUNC); - - /* Initialize GPIO */ - au_writel(0xFFFFFFFF, SYS_TRIOUTCLR); - alchemy_gpio_direction_output(0, 0); /* Disable M66EN (PCI 66MHz) */ - alchemy_gpio_direction_output(3, 1); /* Disable PCI CLKRUN# */ - alchemy_gpio_direction_output(1, 1); /* Enable EXT_IO3 */ - alchemy_gpio_direction_output(5, 0); /* Disable eth PHY TX_ER */ - - /* Enable LED and set it to green */ - alchemy_gpio_direction_output(211, 1); /* green on */ - alchemy_gpio_direction_output(212, 0); /* red off */ - - pm_power_off = mtx1_power_off; - _machine_halt = mtx1_power_off; - _machine_restart = mtx1_reset; - - printk(KERN_INFO "4G Systems MTX-1 Board\n"); -} - -int -mtx1_pci_idsel(unsigned int devsel, int assert) -{ - /* This function is only necessary to support a proprietary Cardbus - * adapter on the mtx-1 "singleboard" variant. It triggers a custom - * logic chip connected to EXT_IO3 (GPIO1) to suppress IDSEL signals. - */ - if (assert && devsel != 0) - /* Suppress signal to Cardbus */ - alchemy_gpio_set_value(1, 0); /* set EXT_IO3 OFF */ - else - alchemy_gpio_set_value(1, 1); /* set EXT_IO3 ON */ - - udelay(1); - return 1; -} - -static int __init mtx1_init_irq(void) -{ - set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH); - set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW); - set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW); - set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW); - set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW); - - return 0; -} -arch_initcall(mtx1_init_irq); |