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Paul Walmsley2ace8312010-12-21 21:05:14 -07001/*
2 * OMAP4 CM1, CM2 module low-level functions
3 *
4 * Copyright (C) 2010 Nokia Corporation
5 * Paul Walmsley
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * These functions are intended to be used only by the cminst44xx.c file.
12 * XXX Perhaps we should just move them there and make them static.
13 */
14
15#include <linux/kernel.h>
16#include <linux/types.h>
17#include <linux/errno.h>
18#include <linux/err.h>
19#include <linux/io.h>
20
Tony Lindgrenee0839c2012-02-24 10:34:35 -080021#include "iomap.h"
Tony Lindgren4e653312011-11-10 22:45:17 +010022#include "common.h"
Paul Walmsley2ace8312010-12-21 21:05:14 -070023#include "cm.h"
24#include "cm1_44xx.h"
25#include "cm2_44xx.h"
26#include "cm-regbits-44xx.h"
27
28/* CM1 hardware module low-level functions */
29
30/* Read a register in CM1 */
31u32 omap4_cm1_read_inst_reg(s16 inst, u16 reg)
32{
33 return __raw_readl(OMAP44XX_CM1_REGADDR(inst, reg));
34}
35
36/* Write into a register in CM1 */
37void omap4_cm1_write_inst_reg(u32 val, s16 inst, u16 reg)
38{
39 __raw_writel(val, OMAP44XX_CM1_REGADDR(inst, reg));
40}
41
42/* Read a register in CM2 */
43u32 omap4_cm2_read_inst_reg(s16 inst, u16 reg)
44{
45 return __raw_readl(OMAP44XX_CM2_REGADDR(inst, reg));
46}
47
48/* Write into a register in CM2 */
49void omap4_cm2_write_inst_reg(u32 val, s16 inst, u16 reg)
50{
51 __raw_writel(val, OMAP44XX_CM2_REGADDR(inst, reg));
52}