1 /*
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
21 #include <plat/common.h>
22
23 #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 */
omap4_cm1_read_inst_reg(s16 inst,u16 reg)31 u32 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 */
omap4_cm1_write_inst_reg(u32 val,s16 inst,u16 reg)37 void 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 */
omap4_cm2_read_inst_reg(s16 inst,u16 reg)43 u32 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 */
omap4_cm2_write_inst_reg(u32 val,s16 inst,u16 reg)49 void omap4_cm2_write_inst_reg(u32 val, s16 inst, u16 reg)
50 {
51 __raw_writel(val, OMAP44XX_CM2_REGADDR(inst, reg));
52 }
53