diff options
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/common.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-imx/cpu.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index e0632d1890ac..f7189bc461ad 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -19,6 +19,7 @@ struct pt_regs; struct clk; struct device_node; enum mxc_cpu_pwr_mode; +struct of_device_id; void mx1_map_io(void); void mx21_map_io(void); @@ -65,6 +66,7 @@ void mxc_arch_reset_init_dt(void); int mx51_revision(void); int mx53_revision(void); void imx_set_aips(void __iomem *); +void imx_aips_allow_unprivileged_access(const char *compat); int mxc_device_init(void); void imx_set_soc_revision(unsigned int rev); unsigned int imx_get_soc_revision(void); diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index bbe8ff1f0412..df42c14ff749 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -2,6 +2,7 @@ #include <linux/module.h> #include <linux/io.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/slab.h> #include <linux/sys_soc.h> @@ -60,6 +61,18 @@ void __init imx_set_aips(void __iomem *base) __raw_writel(reg, base + 0x50); } +void __init imx_aips_allow_unprivileged_access( + const char *compat) +{ + void __iomem *aips_base_addr; + struct device_node *np; + + for_each_compatible_node(np, NULL, compat) { + aips_base_addr = of_iomap(np, 0); + imx_set_aips(aips_base_addr); + } +} + struct device * __init imx_soc_device_init(void) { struct soc_device_attribute *soc_dev_attr; |