blob: cdbee6326d2921375cc23abe55b15dac4dbd7723 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* 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 "iomap.h"
#include "common.h"
#include "prcm_mpu44xx.h"
#include "cm-regbits-44xx.h"
/*
* prcm_mpu_base: the virtual address of the start of the PRCM_MPU IP
* block registers
*/
void __iomem *prcm_mpu_base;
/* PRCM_MPU low-level functions */
u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg)
{
return readl_relaxed(OMAP44XX_PRCM_MPU_REGADDR(inst, reg));
}
void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 reg)
{
writel_relaxed(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;
}
/**
* omap2_set_globals_prcm_mpu - set the MPU PRCM base address (for early use)
* @prcm_mpu: PRCM_MPU base virtual address
*
* XXX Will be replaced when the PRM/CM drivers are completed.
*/
void __init omap2_set_globals_prcm_mpu(void __iomem *prcm_mpu)
{
prcm_mpu_base = prcm_mpu;
}
|
