mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-10-31 20:18:18 +00:00 
			
		
		
		
	Commit 723f8359c1 ("imx: mx7: snvs: Add an SNVS init routine") noted
that the init_snvs() call likely applies to other i.MX processors, and
this has been found to be true for i.MX8MP.
Move snvs module for future re-use.
Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
		
	
			
		
			
				
	
	
		
			22 lines
		
	
	
		
			440 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			440 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
 | |
| /*
 | |
|  * Copyright 2018 Linaro
 | |
|  */
 | |
| 
 | |
| #include <asm/io.h>
 | |
| #include <asm/arch/imx-regs.h>
 | |
| #include <linux/bitops.h>
 | |
| 
 | |
| #define SNVS_HPCOMR		0x04
 | |
| #define SNVS_HPCOMR_NPSWA_EN	BIT(31)
 | |
| 
 | |
| void init_snvs(void)
 | |
| {
 | |
| 	u32 val;
 | |
| 
 | |
| 	/* Ensure SNVS HPCOMR sets NPSWA_EN to allow unpriv access to SNVS LP */
 | |
| 	val = readl(SNVS_BASE_ADDR + SNVS_HPCOMR);
 | |
| 	val |= SNVS_HPCOMR_NPSWA_EN;
 | |
| 	writel(val, SNVS_BASE_ADDR + SNVS_HPCOMR);
 | |
| }
 |