1*da2014a2SPaul Mundt /* 2*da2014a2SPaul Mundt * Renesas Solutions Highlander R7780MP Support. 3*da2014a2SPaul Mundt * 4*da2014a2SPaul Mundt * Copyright (C) 2002 Atom Create Engineering Co., Ltd. 5*da2014a2SPaul Mundt * Copyright (C) 2006 Paul Mundt 6*da2014a2SPaul Mundt * Copyright (C) 2007 Magnus Damm 7*da2014a2SPaul Mundt * 8*da2014a2SPaul Mundt * This file is subject to the terms and conditions of the GNU General Public 9*da2014a2SPaul Mundt * License. See the file "COPYING" in the main directory of this archive 10*da2014a2SPaul Mundt * for more details. 11*da2014a2SPaul Mundt */ 12*da2014a2SPaul Mundt #include <linux/init.h> 13*da2014a2SPaul Mundt #include <linux/irq.h> 14*da2014a2SPaul Mundt #include <linux/io.h> 15*da2014a2SPaul Mundt #include <asm/r7780rp.h> 16*da2014a2SPaul Mundt 17*da2014a2SPaul Mundt enum { 18*da2014a2SPaul Mundt UNUSED = 0, 19*da2014a2SPaul Mundt 20*da2014a2SPaul Mundt /* board specific interrupt sources */ 21*da2014a2SPaul Mundt CF, /* Compact Flash */ 22*da2014a2SPaul Mundt TP, /* Touch panel */ 23*da2014a2SPaul Mundt SCIF1, /* FPGA SCIF1 */ 24*da2014a2SPaul Mundt SCIF0, /* FPGA SCIF0 */ 25*da2014a2SPaul Mundt SMBUS, /* SMBUS */ 26*da2014a2SPaul Mundt RTC, /* RTC Alarm */ 27*da2014a2SPaul Mundt AX88796, /* Ethernet controller */ 28*da2014a2SPaul Mundt PSW, /* Push Switch */ 29*da2014a2SPaul Mundt 30*da2014a2SPaul Mundt /* external bus connector */ 31*da2014a2SPaul Mundt EXT1, EXT2, EXT4, EXT5, EXT6, 32*da2014a2SPaul Mundt }; 33*da2014a2SPaul Mundt 34*da2014a2SPaul Mundt static struct intc_vect vectors[] __initdata = { 35*da2014a2SPaul Mundt INTC_IRQ(CF, IRQ_CF), 36*da2014a2SPaul Mundt INTC_IRQ(TP, IRQ_TP), 37*da2014a2SPaul Mundt INTC_IRQ(SCIF1, IRQ_SCIF1), 38*da2014a2SPaul Mundt INTC_IRQ(SCIF0, IRQ_SCIF0), 39*da2014a2SPaul Mundt INTC_IRQ(SMBUS, IRQ_SMBUS), 40*da2014a2SPaul Mundt INTC_IRQ(RTC, IRQ_RTC), 41*da2014a2SPaul Mundt INTC_IRQ(AX88796, IRQ_AX88796), 42*da2014a2SPaul Mundt INTC_IRQ(PSW, IRQ_PSW), 43*da2014a2SPaul Mundt 44*da2014a2SPaul Mundt INTC_IRQ(EXT1, IRQ_EXT1), INTC_IRQ(EXT2, IRQ_EXT2), 45*da2014a2SPaul Mundt INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5), 46*da2014a2SPaul Mundt INTC_IRQ(EXT6, IRQ_EXT6), 47*da2014a2SPaul Mundt }; 48*da2014a2SPaul Mundt 49*da2014a2SPaul Mundt static struct intc_mask_reg mask_registers[] __initdata = { 50*da2014a2SPaul Mundt { 0xa4000000, 0, 16, /* IRLMSK */ 51*da2014a2SPaul Mundt { SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS, 52*da2014a2SPaul Mundt 0, EXT6, EXT5, EXT4, EXT2, EXT1, PSW, AX88796 } }, 53*da2014a2SPaul Mundt }; 54*da2014a2SPaul Mundt 55*da2014a2SPaul Mundt static unsigned char irl2irq[HL_NR_IRL] __initdata = { 56*da2014a2SPaul Mundt 0, IRQ_CF, IRQ_TP, IRQ_SCIF1, 57*da2014a2SPaul Mundt IRQ_SCIF0, IRQ_SMBUS, IRQ_RTC, IRQ_EXT6, 58*da2014a2SPaul Mundt IRQ_EXT5, IRQ_EXT4, IRQ_EXT2, IRQ_EXT1, 59*da2014a2SPaul Mundt 0, IRQ_AX88796, IRQ_PSW, 60*da2014a2SPaul Mundt }; 61*da2014a2SPaul Mundt 62*da2014a2SPaul Mundt static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors, 63*da2014a2SPaul Mundt NULL, mask_registers, NULL, NULL); 64*da2014a2SPaul Mundt 65*da2014a2SPaul Mundt unsigned char * __init highlander_plat_irq_setup(void) 66*da2014a2SPaul Mundt { 67*da2014a2SPaul Mundt if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) { 68*da2014a2SPaul Mundt printk(KERN_INFO "Using r7780mp interrupt controller.\n"); 69*da2014a2SPaul Mundt register_intc_controller(&intc_desc); 70*da2014a2SPaul Mundt return irl2irq; 71*da2014a2SPaul Mundt } 72*da2014a2SPaul Mundt 73*da2014a2SPaul Mundt return NULL; 74*da2014a2SPaul Mundt } 75