1*aaf9128aSKuninori Morimoto // SPDX-License-Identifier: GPL-2.0 2da2014a2SPaul Mundt /* 3da2014a2SPaul Mundt * Renesas Solutions Highlander R7780MP Support. 4da2014a2SPaul Mundt * 5da2014a2SPaul Mundt * Copyright (C) 2002 Atom Create Engineering Co., Ltd. 6da2014a2SPaul Mundt * Copyright (C) 2006 Paul Mundt 7da2014a2SPaul Mundt * Copyright (C) 2007 Magnus Damm 8da2014a2SPaul Mundt */ 9da2014a2SPaul Mundt #include <linux/init.h> 10da2014a2SPaul Mundt #include <linux/irq.h> 11da2014a2SPaul Mundt #include <linux/io.h> 127639a454SPaul Mundt #include <mach/highlander.h> 13da2014a2SPaul Mundt 14da2014a2SPaul Mundt enum { 15da2014a2SPaul Mundt UNUSED = 0, 16da2014a2SPaul Mundt 17da2014a2SPaul Mundt /* board specific interrupt sources */ 18da2014a2SPaul Mundt CF, /* Compact Flash */ 19da2014a2SPaul Mundt TP, /* Touch panel */ 20da2014a2SPaul Mundt SCIF1, /* FPGA SCIF1 */ 21da2014a2SPaul Mundt SCIF0, /* FPGA SCIF0 */ 22da2014a2SPaul Mundt SMBUS, /* SMBUS */ 23da2014a2SPaul Mundt RTC, /* RTC Alarm */ 24da2014a2SPaul Mundt AX88796, /* Ethernet controller */ 25da2014a2SPaul Mundt PSW, /* Push Switch */ 26da2014a2SPaul Mundt 27da2014a2SPaul Mundt /* external bus connector */ 28da2014a2SPaul Mundt EXT1, EXT2, EXT4, EXT5, EXT6, 29da2014a2SPaul Mundt }; 30da2014a2SPaul Mundt 31da2014a2SPaul Mundt static struct intc_vect vectors[] __initdata = { 32da2014a2SPaul Mundt INTC_IRQ(CF, IRQ_CF), 33da2014a2SPaul Mundt INTC_IRQ(TP, IRQ_TP), 34da2014a2SPaul Mundt INTC_IRQ(SCIF1, IRQ_SCIF1), 35da2014a2SPaul Mundt INTC_IRQ(SCIF0, IRQ_SCIF0), 36da2014a2SPaul Mundt INTC_IRQ(SMBUS, IRQ_SMBUS), 37da2014a2SPaul Mundt INTC_IRQ(RTC, IRQ_RTC), 38da2014a2SPaul Mundt INTC_IRQ(AX88796, IRQ_AX88796), 39da2014a2SPaul Mundt INTC_IRQ(PSW, IRQ_PSW), 40da2014a2SPaul Mundt 41da2014a2SPaul Mundt INTC_IRQ(EXT1, IRQ_EXT1), INTC_IRQ(EXT2, IRQ_EXT2), 42da2014a2SPaul Mundt INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5), 43da2014a2SPaul Mundt INTC_IRQ(EXT6, IRQ_EXT6), 44da2014a2SPaul Mundt }; 45da2014a2SPaul Mundt 46da2014a2SPaul Mundt static struct intc_mask_reg mask_registers[] __initdata = { 47da2014a2SPaul Mundt { 0xa4000000, 0, 16, /* IRLMSK */ 48da2014a2SPaul Mundt { SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS, 49da2014a2SPaul Mundt 0, EXT6, EXT5, EXT4, EXT2, EXT1, PSW, AX88796 } }, 50da2014a2SPaul Mundt }; 51da2014a2SPaul Mundt 52da2014a2SPaul Mundt static unsigned char irl2irq[HL_NR_IRL] __initdata = { 53da2014a2SPaul Mundt 0, IRQ_CF, IRQ_TP, IRQ_SCIF1, 54da2014a2SPaul Mundt IRQ_SCIF0, IRQ_SMBUS, IRQ_RTC, IRQ_EXT6, 55da2014a2SPaul Mundt IRQ_EXT5, IRQ_EXT4, IRQ_EXT2, IRQ_EXT1, 56da2014a2SPaul Mundt 0, IRQ_AX88796, IRQ_PSW, 57da2014a2SPaul Mundt }; 58da2014a2SPaul Mundt 59da2014a2SPaul Mundt static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors, 60da2014a2SPaul Mundt NULL, mask_registers, NULL, NULL); 61da2014a2SPaul Mundt 62da2014a2SPaul Mundt unsigned char * __init highlander_plat_irq_setup(void) 63da2014a2SPaul Mundt { 649d56dd3bSPaul Mundt if ((__raw_readw(0xa4000700) & 0xf000) == 0x2000) { 65da2014a2SPaul Mundt printk(KERN_INFO "Using r7780mp interrupt controller.\n"); 66da2014a2SPaul Mundt register_intc_controller(&intc_desc); 67da2014a2SPaul Mundt return irl2irq; 68da2014a2SPaul Mundt } 69da2014a2SPaul Mundt 70da2014a2SPaul Mundt return NULL; 71da2014a2SPaul Mundt } 72