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diff --git a/arch/arm/include/asm/ecard.h b/arch/arm/include/asm/ecard.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arch/arm/include/asm/ecard.h
+ *
+ * definitions for expansion cards
+ *
+ * This is a new system as from Linux 1.2.3
+ *
+ * Changelog:
+ * 11-12-1996 RMK Further minor improvements
+ * 12-09-1997 RMK Added interrupt enable/disable for card level
+ *
+ * Reference: Acorns Risc OS 3 Programmers Reference Manuals.
+ */
+
+#ifndef __ASM_ECARD_H
+#define __ASM_ECARD_H
+
+/*
+ * Currently understood cards (but not necessarily
+ * supported):
+ * Manufacturer Product ID
+ */
+#define MANU_ACORN 0x0000
+#define PROD_ACORN_SCSI 0x0002
+#define PROD_ACORN_ETHER1 0x0003
+#define PROD_ACORN_MFM 0x000b
+
+#define MANU_ANT2 0x0011
+#define PROD_ANT_ETHER3 0x00a4
+
+#define MANU_ATOMWIDE 0x0017
+#define PROD_ATOMWIDE_3PSERIAL 0x0090
+
+#define MANU_IRLAM_INSTRUMENTS 0x001f
+#define MANU_IRLAM_INSTRUMENTS_ETHERN 0x5678
+
+#define MANU_OAK 0x0021
+#define PROD_OAK_SCSI 0x0058
+
+#define MANU_MORLEY 0x002b
+#define PROD_MORLEY_SCSI_UNCACHED 0x0067
+
+#define MANU_CUMANA 0x003a
+#define PROD_CUMANA_SCSI_2 0x003a
+#define PROD_CUMANA_SCSI_1 0x00a0
+
+#define MANU_ICS 0x003c
+#define PROD_ICS_IDE 0x00ae
+
+#define MANU_ICS2 0x003d
+#define PROD_ICS2_IDE 0x00ae
+
+#define MANU_SERPORT 0x003f
+#define PROD_SERPORT_DSPORT 0x00b9
+
+#define MANU_ARXE 0x0041
+#define PROD_ARXE_SCSI 0x00be
+
+#define MANU_I3 0x0046
+#define PROD_I3_ETHERLAN500 0x00d4
+#define PROD_I3_ETHERLAN600 0x00ec
+#define PROD_I3_ETHERLAN600A 0x011e
+
+#define MANU_ANT 0x0053
+#define PROD_ANT_ETHERM 0x00d8
+#define PROD_ANT_ETHERB 0x00e4
+
+#define MANU_ALSYSTEMS 0x005b
+#define PROD_ALSYS_SCSIATAPI 0x0107
+
+#define MANU_MCS 0x0063
+#define PROD_MCS_CONNECT32 0x0125
+
+#define MANU_EESOX 0x0064
+#define PROD_EESOX_SCSI2 0x008c
+
+#define MANU_YELLOWSTONE 0x0096
+#define PROD_YELLOWSTONE_RAPIDE32 0x0120
+
+#ifdef ECARD_C
+#define CONST
+#else
+#define CONST const
+#endif
+
+#define MAX_ECARDS 9
+
+struct ecard_id { /* Card ID structure */
+ unsigned short manufacturer;
+ unsigned short product;
+ void *data;
+};
+
+struct in_ecid { /* Packed card ID information */
+ unsigned short product; /* Product code */
+ unsigned short manufacturer; /* Manufacturer code */
+ unsigned char id:4; /* Simple ID */
+ unsigned char cd:1; /* Chunk dir present */
+ unsigned char is:1; /* Interrupt status pointers */
+ unsigned char w:2; /* Width */
+ unsigned char country; /* Country */
+ unsigned char irqmask; /* IRQ mask */
+ unsigned char fiqmask; /* FIQ mask */
+ unsigned long irqoff; /* IRQ offset */
+ unsigned long fiqoff; /* FIQ offset */
+};
+
+typedef struct expansion_card ecard_t;
+typedef unsigned long *loader_t;
+
+typedef struct expansion_card_ops { /* Card handler routines */
+ void (*irqenable)(ecard_t *ec, int irqnr);
+ void (*irqdisable)(ecard_t *ec, int irqnr);
+ int (*irqpending)(ecard_t *ec);
+ void (*fiqenable)(ecard_t *ec, int fiqnr);
+ void (*fiqdisable)(ecard_t *ec, int fiqnr);
+ int (*fiqpending)(ecard_t *ec);
+} expansioncard_ops_t;
+
+#define ECARD_NUM_RESOURCES (6)
+
+#define ECARD_RES_IOCSLOW (0)
+#define ECARD_RES_IOCMEDIUM (1)
+#define ECARD_RES_IOCFAST (2)
+#define ECARD_RES_IOCSYNC (3)
+#define ECARD_RES_MEMC (4)
+#define ECARD_RES_EASI (5)
+
+#define ecard_resource_start(ec,nr) ((ec)->resource[nr].start)
+#define ecard_resource_end(ec,nr) ((ec)->resource[nr].end)
+#define ecard_resource_len(ec,nr) ((ec)->resource[nr].end - \
+ (ec)->resource[nr].start + 1)
+#define ecard_resource_flags(ec,nr) ((ec)->resource[nr].flags)
+
+/*
+ * This contains all the info needed on an expansion card
+ */
+struct expansion_card {
+ struct expansion_card *next;
+
+ struct device dev;
+ struct resource resource[ECARD_NUM_RESOURCES];
+
+ /* Public data */
+ void __iomem *irqaddr; /* address of IRQ register */
+ void __iomem *fiqaddr; /* address of FIQ register */
+ unsigned char irqmask; /* IRQ mask */
+ unsigned char fiqmask; /* FIQ mask */
+ unsigned char claimed; /* Card claimed? */
+ unsigned char easi; /* EASI card */
+
+ void *irq_data; /* Data for use for IRQ by card */
+ void *fiq_data; /* Data for use for FIQ by card */
+ const expansioncard_ops_t *ops; /* Enable/Disable Ops for card */
+
+ CONST unsigned int slot_no; /* Slot number */
+ CONST unsigned int dma; /* DMA number (for request_dma) */
+ CONST unsigned int irq; /* IRQ number (for request_irq) */
+ CONST unsigned int fiq; /* FIQ number (for request_irq) */
+ CONST struct in_ecid cid; /* Card Identification */
+
+ /* Private internal data */
+ const char *card_desc; /* Card description */
+ CONST loader_t loader; /* loader program */
+ u64 dma_mask;
+};
+
+void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *ops, void *irq_data);
+
+struct in_chunk_dir {
+ unsigned int start_offset;
+ union {
+ unsigned char string[256];
+ unsigned char data[1];
+ } d;
+};
+
+/*
+ * Read a chunk from an expansion card
+ * cd : where to put read data
+ * ec : expansion card info struct
+ * id : id number to find
+ * num: (n+1)'th id to find.
+ */
+extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num);
+
+/*
+ * Request and release ecard resources
+ */
+extern int ecard_request_resources(struct expansion_card *ec);
+extern void ecard_release_resources(struct expansion_card *ec);
+
+void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res,
+ unsigned long offset, unsigned long maxsize);
+#define ecardm_iounmap(__ec, __addr) devm_iounmap(&(__ec)->dev, __addr)
+
+extern struct bus_type ecard_bus_type;
+
+#define ECARD_DEV(_d) container_of((_d), struct expansion_card, dev)
+
+struct ecard_driver {
+ int (*probe)(struct expansion_card *, const struct ecard_id *id);
+ void (*remove)(struct expansion_card *);
+ void (*shutdown)(struct expansion_card *);
+ const struct ecard_id *id_table;
+ unsigned int id;
+ struct device_driver drv;
+};
+
+#define ECARD_DRV(_d) container_of((_d), struct ecard_driver, drv)
+
+#define ecard_set_drvdata(ec,data) dev_set_drvdata(&(ec)->dev, (data))
+#define ecard_get_drvdata(ec) dev_get_drvdata(&(ec)->dev)
+
+int ecard_register_driver(struct ecard_driver *);
+void ecard_remove_driver(struct ecard_driver *);
+
+#endif