87 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * arch/powerpc/platforms/83xx/mpc837x_rdb.c
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|  *
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|  * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
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|  *
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|  * MPC837x RDB board specific routines
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|  *
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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
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|  * Free Software Foundation;  either version 2 of the  License, or (at your
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|  * option) any later version.
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|  */
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| 
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| #include <linux/pci.h>
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| #include <linux/of_platform.h>
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| 
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| #include <asm/time.h>
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| #include <asm/ipic.h>
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| #include <asm/udbg.h>
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| #include <sysdev/fsl_soc.h>
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| #include <sysdev/fsl_pci.h>
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| 
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| #include "mpc83xx.h"
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| 
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| static void mpc837x_rdb_sd_cfg(void)
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| {
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| 	void __iomem *im;
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| 
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| 	im = ioremap(get_immrbase(), 0x1000);
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| 	if (!im) {
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| 		WARN_ON(1);
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| 		return;
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| 	}
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| 
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| 	/*
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| 	 * On RDB boards (in contrast to MDS) USBB pins are used for SD only,
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| 	 * so we can safely mux them away from the USB block.
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| 	 */
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| 	clrsetbits_be32(im + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USBB_MASK,
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| 						 MPC837X_SICRL_SD);
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| 	clrsetbits_be32(im + MPC83XX_SICRH_OFFS, MPC837X_SICRH_SPI_MASK,
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| 						 MPC837X_SICRH_SD);
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| 	iounmap(im);
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| }
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| 
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| /* ************************************************************************
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|  *
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|  * Setup the architecture
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|  *
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|  */
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| static void __init mpc837x_rdb_setup_arch(void)
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| {
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| 	mpc83xx_setup_arch();
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| 	mpc837x_usb_cfg();
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| 	mpc837x_rdb_sd_cfg();
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| }
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| 
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| machine_device_initcall(mpc837x_rdb, mpc83xx_declare_of_platform_devices);
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| 
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| static const char * const board[] __initconst = {
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| 	"fsl,mpc8377rdb",
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| 	"fsl,mpc8378rdb",
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| 	"fsl,mpc8379rdb",
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| 	"fsl,mpc8377wlan",
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| 	NULL
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| };
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| 
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| /*
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|  * Called very early, MMU is off, device-tree isn't unflattened
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|  */
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| static int __init mpc837x_rdb_probe(void)
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| {
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| 	return of_device_compatible_match(of_root, board);
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| }
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| 
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| define_machine(mpc837x_rdb) {
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| 	.name			= "MPC837x RDB/WLAN",
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| 	.probe			= mpc837x_rdb_probe,
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| 	.setup_arch		= mpc837x_rdb_setup_arch,
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| 	.init_IRQ		= mpc83xx_ipic_init_IRQ,
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| 	.get_irq		= ipic_get_irq,
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| 	.restart		= mpc83xx_restart,
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| 	.time_init		= mpc83xx_time_init,
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| 	.calibrate_decr		= generic_calibrate_decr,
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| 	.progress		= udbg_progress,
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| };
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