482cd90cd7
PCI_IOBASE is used to create VM maps for PCI I/O ports, it is required by generic PCI drivers to make memory mapped I/O range work. To deal with legacy drivers that have fixed I/O ports range we reserved 0x10000 in PCI_IOBASE, should be enough for i8259 i8042 stuff. Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
19 lines
544 B
C
19 lines
544 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_MACH_LOONGSON64_SPACES_H_
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#define __ASM_MACH_LOONGSON64_SPACES_H_
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#if defined(CONFIG_64BIT)
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#define CAC_BASE _AC(0x9800000000000000, UL)
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#endif /* CONFIG_64BIT */
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/* Skip 128k to trap NULL pointer dereferences */
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#define PCI_IOBASE _AC(0xc000000000000000 + SZ_128K, UL)
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#define PCI_IOSIZE SZ_16M
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#define MAP_BASE (PCI_IOBASE + PCI_IOSIZE)
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/* Reserved at the start of PCI_IOBASE for legacy drivers */
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#define MMIO_LOWER_RESERVED 0x10000
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#include <asm/mach-generic/spaces.h>
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#endif
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