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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/arch/mips/include/asm/mach-loongson64/loongson.h
....@@ -1,11 +1,7 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
12 /*
23  * Copyright (C) 2009 Lemote, Inc.
34  * Author: Wu Zhangjin <wuzhangjin@gmail.com>
4
- *
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- * This program is free software; you can redistribute	it and/or modify it
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- * under  the terms of	the GNU General	 Public License as published by the
7
- * Free Software Foundation;  either version 2 of the  License, or (at your
8
- * option) any later version.
95  */
106 
117 #ifndef __ASM_MACH_LOONGSON64_LOONGSON_H
....@@ -16,8 +12,6 @@
1612 #include <linux/irq.h>
1713 #include <boot_param.h>
1814 
19
-/* loongson internal northbridge initialization */
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-extern void bonito_irq_init(void);
2115 
2216 /* machine-specific reboot/halt operation */
2317 extern void mach_prepare_reboot(void);
....@@ -30,25 +24,10 @@
3024 
3125 /* loongson-specific command line, env and memory initialization */
3226 extern void __init prom_init_memory(void);
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-extern void __init prom_init_cmdline(void);
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-extern void __init prom_init_machtype(void);
3527 extern void __init prom_init_env(void);
36
-#ifdef CONFIG_LOONGSON_UART_BASE
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-extern unsigned long _loongson_uart_base[], loongson_uart_base[];
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-extern void prom_init_loongson_uart_base(void);
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-#endif
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-
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-static inline void prom_init_uart_base(void)
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-{
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-#ifdef CONFIG_LOONGSON_UART_BASE
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-	prom_init_loongson_uart_base();
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-#endif
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-}
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+extern void *loongson_fdt_blob;
4729 
4830 /* irq operation functions */
49
-extern void bonito_irqdispatch(void);
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-extern void __init bonito_irq_init(void);
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-extern void __init mach_init_irq(void);
5231 extern void mach_irq_dispatch(unsigned int pending);
5332 extern int mach_i8259_irq(void);
5433 
....@@ -67,17 +46,6 @@
6746 
6847 #define LOONGSON3_REG32(base, x) \
6948 	(*(volatile u32 *)((char *)TO_UNCAC(base) + (x)))
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-
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-#define LOONGSON_IRQ_BASE	32
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-#define LOONGSON2_PERFCNT_IRQ	(MIPS_CPU_IRQ_BASE + 6) /* cpu perf counter */
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-
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-#include <linux/interrupt.h>
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-static inline void do_perfcnt_IRQ(void)
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-{
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-#if IS_ENABLED(CONFIG_OPROFILE)
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-	do_IRQ(LOONGSON2_PERFCNT_IRQ);
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-#endif
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-}
8149 
8250 #define LOONGSON_FLASH_BASE	0x1c000000
8351 #define LOONGSON_FLASH_SIZE	0x02000000	/* 32M */
....@@ -113,11 +81,7 @@
11381 #define LOONGSON_PCICFG_SIZE	0x00000800	/* 2K */
11482 #define LOONGSON_PCICFG_TOP	(LOONGSON_PCICFG_BASE+LOONGSON_PCICFG_SIZE-1)
11583 
116
-#if defined(CONFIG_HT_PCI)
11784 #define LOONGSON_PCIIO_BASE	loongson_sysconf.pci_io_base
118
-#else
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-#define LOONGSON_PCIIO_BASE	0x1fd00000
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-#endif
12185 
12286 #define LOONGSON_PCIIO_SIZE	0x00100000	/* 1M */
12387 #define LOONGSON_PCIIO_TOP	(LOONGSON_PCIIO_BASE+LOONGSON_PCIIO_SIZE-1)
....@@ -273,87 +237,5 @@
273237 #define LOONGSON_PCIMAP_PCIMAP_2	0x00040000
274238 #define LOONGSON_PCIMAP_WIN(WIN, ADDR)	\
275239 	((((ADDR)>>26) & LOONGSON_PCIMAP_PCIMAP_LO0) << ((WIN)*6))
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-
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-#ifdef CONFIG_CPU_SUPPORTS_CPUFREQ
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-#include <linux/cpufreq.h>
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-extern struct cpufreq_frequency_table loongson2_clockmod_table[];
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-#endif
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-
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-/*
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- * address windows configuration module
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- *
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- * loongson2e do not have this module
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- */
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-#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
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-
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-/* address window config module base address */
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-#define LOONGSON_ADDRWINCFG_BASE		0x3ff00000ul
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-#define LOONGSON_ADDRWINCFG_SIZE		0x180
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-
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-extern unsigned long _loongson_addrwincfg_base;
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-#define LOONGSON_ADDRWINCFG(offset) \
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-	(*(volatile u64 *)(_loongson_addrwincfg_base + (offset)))
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-
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-#define CPU_WIN0_BASE	LOONGSON_ADDRWINCFG(0x00)
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-#define CPU_WIN1_BASE	LOONGSON_ADDRWINCFG(0x08)
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-#define CPU_WIN2_BASE	LOONGSON_ADDRWINCFG(0x10)
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-#define CPU_WIN3_BASE	LOONGSON_ADDRWINCFG(0x18)
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-
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-#define CPU_WIN0_MASK	LOONGSON_ADDRWINCFG(0x20)
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-#define CPU_WIN1_MASK	LOONGSON_ADDRWINCFG(0x28)
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-#define CPU_WIN2_MASK	LOONGSON_ADDRWINCFG(0x30)
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-#define CPU_WIN3_MASK	LOONGSON_ADDRWINCFG(0x38)
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-
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-#define CPU_WIN0_MMAP	LOONGSON_ADDRWINCFG(0x40)
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-#define CPU_WIN1_MMAP	LOONGSON_ADDRWINCFG(0x48)
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-#define CPU_WIN2_MMAP	LOONGSON_ADDRWINCFG(0x50)
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-#define CPU_WIN3_MMAP	LOONGSON_ADDRWINCFG(0x58)
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-
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-#define PCIDMA_WIN0_BASE	LOONGSON_ADDRWINCFG(0x60)
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-#define PCIDMA_WIN1_BASE	LOONGSON_ADDRWINCFG(0x68)
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-#define PCIDMA_WIN2_BASE	LOONGSON_ADDRWINCFG(0x70)
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-#define PCIDMA_WIN3_BASE	LOONGSON_ADDRWINCFG(0x78)
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-
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-#define PCIDMA_WIN0_MASK	LOONGSON_ADDRWINCFG(0x80)
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-#define PCIDMA_WIN1_MASK	LOONGSON_ADDRWINCFG(0x88)
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-#define PCIDMA_WIN2_MASK	LOONGSON_ADDRWINCFG(0x90)
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-#define PCIDMA_WIN3_MASK	LOONGSON_ADDRWINCFG(0x98)
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-
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-#define PCIDMA_WIN0_MMAP	LOONGSON_ADDRWINCFG(0xa0)
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-#define PCIDMA_WIN1_MMAP	LOONGSON_ADDRWINCFG(0xa8)
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-#define PCIDMA_WIN2_MMAP	LOONGSON_ADDRWINCFG(0xb0)
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-#define PCIDMA_WIN3_MMAP	LOONGSON_ADDRWINCFG(0xb8)
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-
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-#define ADDRWIN_WIN0	0
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-#define ADDRWIN_WIN1	1
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-#define ADDRWIN_WIN2	2
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-#define ADDRWIN_WIN3	3
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-
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-#define ADDRWIN_MAP_DST_DDR	0
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-#define ADDRWIN_MAP_DST_PCI	1
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-#define ADDRWIN_MAP_DST_LIO	1
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-
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-/*
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- * s: CPU, PCIDMA
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- * d: DDR, PCI, LIO
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- * win: 0, 1, 2, 3
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- * src: map source
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- * dst: map destination
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- * size: ~mask + 1
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- */
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-#define LOONGSON_ADDRWIN_CFG(s, d, w, src, dst, size) do {\
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-	s##_WIN##w##_BASE = (src); \
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-	s##_WIN##w##_MMAP = (dst) | ADDRWIN_MAP_DST_##d; \
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-	s##_WIN##w##_MASK = ~(size-1); \
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-} while (0)
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-
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-#define LOONGSON_ADDRWIN_CPUTOPCI(win, src, dst, size) \
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-	LOONGSON_ADDRWIN_CFG(CPU, PCI, win, src, dst, size)
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-#define LOONGSON_ADDRWIN_CPUTODDR(win, src, dst, size) \
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-	LOONGSON_ADDRWIN_CFG(CPU, DDR, win, src, dst, size)
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-#define LOONGSON_ADDRWIN_PCITODDR(win, src, dst, size) \
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-	LOONGSON_ADDRWIN_CFG(PCIDMA, DDR, win, src, dst, size)
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-
357
-#endif	/* ! CONFIG_CPU_SUPPORTS_ADDRWINCFG */
358240 
359241 #endif /* __ASM_MACH_LOONGSON64_LOONGSON_H */