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-rw-r--r--arch/arm/mach-omap2/cm44xx.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/cm44xx.c b/arch/arm/mach-omap2/cm44xx.c
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+++ b/arch/arm/mach-omap2/cm44xx.c
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+/*
+ * OMAP4 CM1, CM2 module low-level functions
+ *
+ * Copyright (C) 2010 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.
+ *
+ * These functions are intended to be used only by the cminst44xx.c file.
+ * XXX Perhaps we should just move them there and make them static.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <plat/common.h>
+
+#include "cm.h"
+#include "cm1_44xx.h"
+#include "cm2_44xx.h"
+#include "cm-regbits-44xx.h"
+
+/* CM1 hardware module low-level functions */
+
+/* Read a register in CM1 */
+u32 omap4_cm1_read_inst_reg(s16 inst, u16 reg)
+{
+ return __raw_readl(OMAP44XX_CM1_REGADDR(inst, reg));
+}
+
+/* Write into a register in CM1 */
+void omap4_cm1_write_inst_reg(u32 val, s16 inst, u16 reg)
+{
+ __raw_writel(val, OMAP44XX_CM1_REGADDR(inst, reg));
+}
+
+/* Read a register in CM2 */
+u32 omap4_cm2_read_inst_reg(s16 inst, u16 reg)
+{
+ return __raw_readl(OMAP44XX_CM2_REGADDR(inst, reg));
+}
+
+/* Write into a register in CM2 */
+void omap4_cm2_write_inst_reg(u32 val, s16 inst, u16 reg)
+{
+ __raw_writel(val, OMAP44XX_CM2_REGADDR(inst, reg));
+}
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