mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 13:22:23 +00:00
46 lines
993 B
C
46 lines
993 B
C
|
/*
|
||
|
|
* OMAP4 PRCM_MPU module functions
|
||
|
|
*
|
||
|
|
* Copyright (C) 2009 Nokia Corporation
|
||
|
|
* Paul Walmsley
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/errno.h>
|
||
|
|
#include <linux/err.h>
|
||
|
|
#include <linux/io.h>
|
||
|
|
|
||
|
|
#include <plat/common.h>
|
||
|
|
|
||
|
|
#include "prcm_mpu44xx.h"
|
||
|
|
#include "cm-regbits-44xx.h"
|
||
|
|
|
||
|
|
/* PRCM_MPU low-level functions */
|
||
|
|
|
||
|
|
u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg)
|
||
|
|
{
|
||
|
|
return __raw_readl(OMAP44XX_PRCM_MPU_REGADDR(inst, reg));
|
||
|
|
}
|
||
|
|
|
||
|
|
void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 reg)
|
||
|
|
{
|
||
|
|
__raw_writel(val, OMAP44XX_PRCM_MPU_REGADDR(inst, reg));
|
||
|
|
}
|
||
|
|
|
||
|
|
u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg)
|
||
|
|
{
|
||
|
|
u32 v;
|
||
|
|
|
||
|
|
v = omap4_prcm_mpu_read_inst_reg(inst, reg);
|
||
|
|
v &= ~mask;
|
||
|
|
v |= bits;
|
||
|
|
omap4_prcm_mpu_write_inst_reg(v, inst, reg);
|
||
|
|
|
||
|
|
return v;
|
||
|
|
}
|