1/* 2 * Renesas Solutions Highlander R7780RP-1 Support. 3 * 4 * Copyright (C) 2002 Atom Create Engineering Co., Ltd. 5 * Copyright (C) 2006 Paul Mundt 6 * Copyright (C) 2008 Magnus Damm 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file "COPYING" in the main directory of this archive 10 * for more details. 11 */ 12#include <linux/init.h> 13#include <linux/irq.h> 14#include <linux/io.h> 15#include <mach/highlander.h> 16 17enum { 18 UNUSED = 0, 19 20 /* board specific interrupt sources */ 21 22 AX88796, /* Ethernet controller */ 23 PSW, /* Push Switch */ 24 CF, /* Compact Flash */ 25 26 PCI_A, 27 PCI_B, 28 PCI_C, 29 PCI_D, 30}; 31 32static struct intc_vect vectors[] __initdata = { 33 INTC_IRQ(PCI_A, 65), /* dirty: overwrite cpu vectors for pci */ 34 INTC_IRQ(PCI_B, 66), 35 INTC_IRQ(PCI_C, 67), 36 INTC_IRQ(PCI_D, 68), 37 INTC_IRQ(CF, IRQ_CF), 38 INTC_IRQ(PSW, IRQ_PSW), 39 INTC_IRQ(AX88796, IRQ_AX88796), 40}; 41 42static struct intc_mask_reg mask_registers[] __initdata = { 43 { 0xa5000000, 0, 16, /* IRLMSK */ 44 { PCI_A, PCI_B, PCI_C, PCI_D, CF, 0, 0, 0, 45 0, 0, 0, 0, 0, 0, PSW, AX88796 } }, 46}; 47 48static unsigned char irl2irq[HL_NR_IRL] __initdata = { 49 65, 66, 67, 68, 50 IRQ_CF, 0, 0, 0, 51 0, 0, 0, 0, 52 IRQ_AX88796, IRQ_PSW 53}; 54 55static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors, 56 NULL, mask_registers, NULL, NULL); 57 58unsigned char * __init highlander_plat_irq_setup(void) 59{ 60 if (__raw_readw(0xa5000600)) { 61 printk(KERN_INFO "Using r7780rp interrupt controller.\n"); 62 register_intc_controller(&intc_desc); 63 return irl2irq; 64 } 65 66 return NULL; 67} 68