1 | // SPDX-License-Identifier: GPL-2.0-only |
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2 | /* |
3 | * OMAP4 PRCM_MPU module functions |
4 | * |
5 | * Copyright (C) 2009 Nokia Corporation |
6 | * Paul Walmsley |
7 | */ |
8 | |
9 | #include <linux/kernel.h> |
10 | #include <linux/types.h> |
11 | #include <linux/errno.h> |
12 | #include <linux/err.h> |
13 | #include <linux/io.h> |
14 | |
15 | #include "iomap.h" |
16 | #include "common.h" |
17 | #include "prcm_mpu44xx.h" |
18 | #include "cm-regbits-44xx.h" |
19 | |
20 | /* |
21 | * prcm_mpu_base: the virtual address of the start of the PRCM_MPU IP |
22 | * block registers |
23 | */ |
24 | struct omap_domain_base prcm_mpu_base; |
25 | |
26 | /* PRCM_MPU low-level functions */ |
27 | |
28 | u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg) |
29 | { |
30 | return readl_relaxed(OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); |
31 | } |
32 | |
33 | void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 reg) |
34 | { |
35 | writel_relaxed(val, OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); |
36 | } |
37 | |
38 | /** |
39 | * omap2_set_globals_prcm_mpu - set the MPU PRCM base address (for early use) |
40 | * @prcm_mpu: PRCM_MPU base virtual address |
41 | * |
42 | * XXX Will be replaced when the PRM/CM drivers are completed. |
43 | */ |
44 | void __init omap2_set_globals_prcm_mpu(void __iomem *prcm_mpu) |
45 | { |
46 | prcm_mpu_base.va = prcm_mpu; |
47 | } |
48 |