37 lines
		
	
	
		
			720 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			720 B
		
	
	
	
		
			C
		
	
	
	
// SPDX-License-Identifier: GPL-2.0+
 | 
						|
/*
 | 
						|
 * Cadence Tensilica xtfpga system reset driver.
 | 
						|
 *
 | 
						|
 * (C) Copyright 2016 Cadence Design Systems Inc.
 | 
						|
 */
 | 
						|
 | 
						|
#include <common.h>
 | 
						|
#include <dm.h>
 | 
						|
#include <errno.h>
 | 
						|
#include <sysreset.h>
 | 
						|
#include <asm/io.h>
 | 
						|
 | 
						|
static int xtfpga_reset_request(struct udevice *dev, enum sysreset_t type)
 | 
						|
{
 | 
						|
	switch (type) {
 | 
						|
	case SYSRESET_COLD:
 | 
						|
		writel(CONFIG_SYS_FPGAREG_RESET_CODE,
 | 
						|
		       CONFIG_SYS_FPGAREG_RESET);
 | 
						|
		break;
 | 
						|
	default:
 | 
						|
		return -EPROTONOSUPPORT;
 | 
						|
	}
 | 
						|
 | 
						|
	return -EINPROGRESS;
 | 
						|
}
 | 
						|
 | 
						|
static struct sysreset_ops xtfpga_sysreset_ops = {
 | 
						|
	.request	= xtfpga_reset_request,
 | 
						|
};
 | 
						|
 | 
						|
U_BOOT_DRIVER(xtfpga_sysreset) = {
 | 
						|
	.name	= "xtfpga_sysreset",
 | 
						|
	.id	= UCLASS_SYSRESET,
 | 
						|
	.ops	= &xtfpga_sysreset_ops,
 | 
						|
};
 |