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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/arch/mips/include/asm/mach-loongson64/pci.h
....@@ -1,12 +1,7 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
12 /*
23  * Copyright (c) 2008 Zhang Le <r0bertz@gentoo.org>
34  * Copyright (c) 2009 Wu Zhangjin <wuzhangjin@gmail.com>
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- *
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- * This program is free software; you can redistribute it
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- * and/or modify it under the terms of the GNU General
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- * Public License as published by the Free Software
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- * Foundation; either version 2 of the License, or (at your
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- * option) any later version.
105  */
116 
127 #ifndef __ASM_MACH_LOONGSON64_PCI_H_
....@@ -17,39 +12,8 @@
1712 /* this is an offset from mips_io_port_base */
1813 #define LOONGSON_PCI_IO_START	0x00004000UL
1914 
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-#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
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-
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-/*
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- * we use address window2 to map cpu address space to pci space
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- * window2: cpu [1G, 2G] -> pci [1G, 2G]
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- * why not use window 0 & 1? because they are used by cpu when booting.
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- * window0: cpu [0, 256M] -> ddr [0, 256M]
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- * window1: cpu [256M, 512M] -> pci [256M, 512M]
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- */
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-
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-/* the smallest LOONGSON_CPU_MEM_SRC can be 512M */
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-#define LOONGSON_CPU_MEM_SRC	0x40000000ul		/* 1G */
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-#define LOONGSON_PCI_MEM_DST	LOONGSON_CPU_MEM_SRC
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-
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-#define LOONGSON_PCI_MEM_START	LOONGSON_PCI_MEM_DST
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-#define LOONGSON_PCI_MEM_END	(0x80000000ul-1)	/* 2G */
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-
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-#define MMAP_CPUTOPCI_SIZE	(LOONGSON_PCI_MEM_END - \
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-					LOONGSON_PCI_MEM_START + 1)
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-
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-#else	/* loongson2f/32bit & loongson2e */
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-
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-/* this pci memory space is mapped by pcimap in pci.c */
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-#ifdef CONFIG_CPU_LOONGSON3
4415 #define LOONGSON_PCI_MEM_START	0x40000000UL
4516 #define LOONGSON_PCI_MEM_END	0x7effffffUL
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-#else
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-#define LOONGSON_PCI_MEM_START	LOONGSON_PCILO1_BASE
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-#define LOONGSON_PCI_MEM_END	(LOONGSON_PCILO1_BASE + 0x04000000 * 2)
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-#endif
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-/* this is an offset from mips_io_port_base */
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-#define LOONGSON_PCI_IO_START	0x00004000UL
5217 
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-#endif	/* !CONFIG_CPU_SUPPORTS_ADDRWINCFG */
5418 
5519 #endif /* !__ASM_MACH_LOONGSON64_PCI_H_ */