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59 lines
1.3 KiB
59 lines
1.3 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* OMAP4 PRCM_MPU module functions |
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* |
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* Copyright (C) 2009 Nokia Corporation |
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* Paul Walmsley |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/types.h> |
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#include <linux/errno.h> |
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#include <linux/err.h> |
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#include <linux/io.h> |
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#include "iomap.h" |
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#include "common.h" |
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#include "prcm_mpu44xx.h" |
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#include "cm-regbits-44xx.h" |
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/* |
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* prcm_mpu_base: the virtual address of the start of the PRCM_MPU IP |
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* block registers |
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*/ |
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struct omap_domain_base prcm_mpu_base; |
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/* PRCM_MPU low-level functions */ |
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u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg) |
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{ |
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return readl_relaxed(OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); |
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} |
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void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 reg) |
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{ |
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writel_relaxed(val, OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); |
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} |
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u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg) |
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{ |
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u32 v; |
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v = omap4_prcm_mpu_read_inst_reg(inst, reg); |
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v &= ~mask; |
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v |= bits; |
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omap4_prcm_mpu_write_inst_reg(v, inst, reg); |
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return v; |
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} |
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/** |
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* omap2_set_globals_prcm_mpu - set the MPU PRCM base address (for early use) |
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* @prcm_mpu: PRCM_MPU base virtual address |
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* |
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* XXX Will be replaced when the PRM/CM drivers are completed. |
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*/ |
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void __init omap2_set_globals_prcm_mpu(void __iomem *prcm_mpu) |
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{ |
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prcm_mpu_base.va = prcm_mpu; |
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}
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