Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * arch/sh/boards/mach-landisk/irq.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * I-O DATA Device, Inc. LANDISK Support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright (C) 2005-2007 kogiidena
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Copyright (C) 2011 Nobuhiro Iwamatsu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * Based largely on io_se.c.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <mach-landisk/mach/iodata_landisk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	UNUSED = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	PCI_INTA, /* PCI int A */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	PCI_INTB, /* PCI int B */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	PCI_INTC, /* PCI int C */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	PCI_INTD, /* PCI int D */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	ATA,	  /* ATA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	FATA,	  /* CF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	POWER,	  /* Power swtich */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	BUTTON,	  /* Button swtich */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* Vectors for LANDISK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static struct intc_vect vectors_landisk[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	INTC_IRQ(PCI_INTA, IRQ_PCIINTA),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	INTC_IRQ(PCI_INTB, IRQ_PCIINTB),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	INTC_IRQ(PCI_INTC, IRQ_PCIINTC),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	INTC_IRQ(PCI_INTD, IRQ_PCIINTD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	INTC_IRQ(ATA, IRQ_ATA),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	INTC_IRQ(FATA, IRQ_FATA),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	INTC_IRQ(POWER, IRQ_POWER),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	INTC_IRQ(BUTTON, IRQ_BUTTON),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* IRLMSK mask register layout for LANDISK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) static struct intc_mask_reg mask_registers_landisk[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	{ PA_IMASK, 0, 8, /* IRLMSK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	  {  BUTTON, POWER, FATA, ATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	     PCI_INTD, PCI_INTC, PCI_INTB, PCI_INTA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	  }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static DECLARE_INTC_DESC(intc_desc_landisk, "landisk", vectors_landisk, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 			mask_registers_landisk, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)  * Initialize IRQ setting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) void __init init_landisk_IRQ(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	register_intc_controller(&intc_desc_landisk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	__raw_writeb(0x00, PA_PWRINT_CLR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }