105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Machine vector for IA-64.
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*
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* Copyright (C) 1999 Silicon Graphics, Inc.
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* Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
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* Copyright (C) Vijay Chander <vijay@engr.sgi.com>
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* Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co.
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* David Mosberger-Tang <davidm@hpl.hp.com>
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*/
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#ifndef _ASM_IA64_MACHVEC_H
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#define _ASM_IA64_MACHVEC_H
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#include <linux/types.h>
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struct device;
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typedef void ia64_mv_setup_t (char **);
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typedef void ia64_mv_irq_init_t (void);
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typedef void ia64_mv_dma_init (void);
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typedef const struct dma_map_ops *ia64_mv_dma_get_ops(struct device *);
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static inline void
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machvec_noop (void)
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{
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}
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extern void machvec_setup (char **);
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# if defined (CONFIG_IA64_HP_SIM)
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# include <asm/machvec_hpsim.h>
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# elif defined (CONFIG_IA64_DIG)
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# include <asm/machvec_dig.h>
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# elif defined(CONFIG_IA64_DIG_VTD)
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# include <asm/machvec_dig_vtd.h>
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# elif defined (CONFIG_IA64_HP_ZX1)
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# include <asm/machvec_hpzx1.h>
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# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
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# include <asm/machvec_hpzx1_swiotlb.h>
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# elif defined (CONFIG_IA64_SGI_UV)
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# include <asm/machvec_uv.h>
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# elif defined (CONFIG_IA64_GENERIC)
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# ifdef MACHVEC_PLATFORM_HEADER
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# include MACHVEC_PLATFORM_HEADER
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# else
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# define ia64_platform_name ia64_mv.name
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# define platform_setup ia64_mv.setup
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# define platform_irq_init ia64_mv.irq_init
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# define platform_dma_init ia64_mv.dma_init
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# define platform_dma_get_ops ia64_mv.dma_get_ops
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# endif
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/* __attribute__((__aligned__(16))) is required to make size of the
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* structure multiple of 16 bytes.
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* This will fillup the holes created because of section 3.3.1 in
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* Software Conventions guide.
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*/
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struct ia64_machine_vector {
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const char *name;
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ia64_mv_setup_t *setup;
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ia64_mv_irq_init_t *irq_init;
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ia64_mv_dma_init *dma_init;
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ia64_mv_dma_get_ops *dma_get_ops;
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} __attribute__((__aligned__(16))); /* align attrib? see above comment */
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#define MACHVEC_INIT(name) \
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{ \
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#name, \
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platform_setup, \
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platform_irq_init, \
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platform_dma_init, \
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platform_dma_get_ops, \
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}
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extern struct ia64_machine_vector ia64_mv;
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extern void machvec_init (const char *name);
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extern void machvec_init_from_cmdline(const char *cmdline);
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# else
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# error Unknown configuration. Update arch/ia64/include/asm/machvec.h.
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# endif /* CONFIG_IA64_GENERIC */
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extern void swiotlb_dma_init(void);
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extern const struct dma_map_ops *dma_get_ops(struct device *);
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/*
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* Define default versions so we can extend machvec for new platforms without having
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* to update the machvec files for all existing platforms.
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*/
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#ifndef platform_setup
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# define platform_setup machvec_setup
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#endif
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#ifndef platform_irq_init
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# define platform_irq_init machvec_noop
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#endif
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#ifndef platform_dma_init
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# define platform_dma_init swiotlb_dma_init
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#endif
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#ifndef platform_dma_get_ops
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# define platform_dma_get_ops dma_get_ops
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#endif
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#endif /* _ASM_IA64_MACHVEC_H */
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