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author | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
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committer | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
commit | 849369d6c66d3054688672f97d31fceb8e8230fb (patch) | |
tree | 6135abc790ca67dedbe07c39806591e70eda81ce /arch/arm/mach-omap2/prcm_mpu44xx.c | |
download | linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.gz linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.bz2 linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.zip |
initial_commit
Diffstat (limited to 'arch/arm/mach-omap2/prcm_mpu44xx.c')
-rw-r--r-- | arch/arm/mach-omap2/prcm_mpu44xx.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.c b/arch/arm/mach-omap2/prcm_mpu44xx.c new file mode 100644 index 00000000..171fe171 --- /dev/null +++ b/arch/arm/mach-omap2/prcm_mpu44xx.c @@ -0,0 +1,45 @@ +/* + * OMAP4 PRCM_MPU module functions + * + * Copyright (C) 2009 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. + */ + +#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 "prcm_mpu44xx.h" +#include "cm-regbits-44xx.h" + +/* PRCM_MPU low-level functions */ + +u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg) +{ + return __raw_readl(OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); +} + +void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 reg) +{ + __raw_writel(val, OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); +} + +u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg) +{ + u32 v; + + v = omap4_prcm_mpu_read_inst_reg(inst, reg); + v &= ~mask; + v |= bits; + omap4_prcm_mpu_write_inst_reg(v, inst, reg); + + return v; +} |