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	 c9b0299034
			
		
	
	
		c9b0299034
		
	
	
	
	
		
			
			Convert the various /* fallthrough */ comments to the pseudo-keyword fallthrough; Done via script: https://lore.kernel.org/lkml/b56602fcf79f849e733e7b521bb0e17895d390fa.1582230379.git.joe@perches.com/ Signed-off-by: Liangliang Huang <huangll@lemote.com> Reviewed-by: Huacai Chen <chenhc@lemote.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
		
			
				
	
	
		
			94 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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| /*
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|  * Carsten Langgaard, carstenl@mips.com
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|  * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
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|  */
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| #include <linux/init.h>
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| #include <linux/ioport.h>
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| #include <linux/pm.h>
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| #include <linux/time.h>
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| 
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| #include <asm/reboot.h>
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| #include <asm/mach-ar7/ar7.h>
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| #include <asm/mach-ar7/prom.h>
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| 
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| static void ar7_machine_restart(char *command)
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| {
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| 	u32 *softres_reg = ioremap(AR7_REGS_RESET + AR7_RESET_SOFTWARE, 1);
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| 
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| 	writel(1, softres_reg);
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| }
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| 
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| static void ar7_machine_halt(void)
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| {
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| 	while (1)
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| 		;
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| }
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| 
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| static void ar7_machine_power_off(void)
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| {
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| 	u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1);
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| 	u32 power_state = readl(power_reg) | (3 << 30);
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| 
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| 	writel(power_state, power_reg);
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| 	ar7_machine_halt();
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| }
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| 
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| const char *get_system_type(void)
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| {
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| 	u16 chip_id = ar7_chip_id();
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| 	u16 titan_variant_id = titan_chip_id();
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| 
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| 	switch (chip_id) {
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| 	case AR7_CHIP_7100:
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| 		return "TI AR7 (TNETD7100)";
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| 	case AR7_CHIP_7200:
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| 		return "TI AR7 (TNETD7200)";
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| 	case AR7_CHIP_7300:
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| 		return "TI AR7 (TNETD7300)";
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| 	case AR7_CHIP_TITAN:
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| 		switch (titan_variant_id) {
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| 		case TITAN_CHIP_1050:
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| 			return "TI AR7 (TNETV1050)";
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| 		case TITAN_CHIP_1055:
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| 			return "TI AR7 (TNETV1055)";
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| 		case TITAN_CHIP_1056:
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| 			return "TI AR7 (TNETV1056)";
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| 		case TITAN_CHIP_1060:
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| 			return "TI AR7 (TNETV1060)";
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| 		}
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| 		fallthrough;
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| 	default:
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| 		return "TI AR7 (unknown)";
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| 	}
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| }
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| 
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| static int __init ar7_init_console(void)
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| {
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| 	return 0;
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| }
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| console_initcall(ar7_init_console);
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| 
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| /*
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|  * Initializes basic routines and structures pointers, memory size (as
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|  * given by the bios and saves the command line.
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|  */
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| void __init plat_mem_setup(void)
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| {
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| 	unsigned long io_base;
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| 
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| 	_machine_restart = ar7_machine_restart;
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| 	_machine_halt = ar7_machine_halt;
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| 	pm_power_off = ar7_machine_power_off;
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| 
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| 	io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
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| 	if (!io_base)
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| 		panic("Can't remap IO base!");
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| 	set_io_port_base(io_base);
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| 
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| 	prom_meminit();
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| 
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| 	printk(KERN_INFO "%s, ID: 0x%04x, Revision: 0x%02x\n",
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| 			get_system_type(), ar7_chip_id(), ar7_chip_rev());
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| }
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