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 set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW); 77 set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW); 78 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); 87