diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 15:15:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 15:15:27 -0700 |
commit | 42cd71bf1e3a081b3150018bbf448cb6c8a844a5 (patch) | |
tree | 4a5d2eb0444255e4ad827a76dbd1417dd3876db6 /arch/arm/plat-mxc/include/mach/io.h | |
parent | f5039935ac685b3b9b8c13fbc33cac8643dee32e (diff) | |
parent | 9a55d9752d8abfc62f1ab05ccc790d22a0c8e7c0 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (137 commits)
ARM: bcmring: convert to use sp804 clockevents
ARM: bcmring: convert to sp804 clocksource
ARM: 6912/1: bcmring: Add clkdev table in init_early
clockevents: ARM sp804: obtain sp804 timer rate via clks
clockevents: ARM sp804: allow clockevent name to be specified
clocksource: ARM sp804: obtain sp804 timer rate via clks
clocksource: ARM sp804: allow clocksource name to be specified
clocksource: convert OMAP1 to 32-bit down counting clocksource
clocksource: convert MXS timrotv2 to 32-bit down counting clocksource
clocksource: convert SPEAr platforms 16-bit up counting clocksource
clocksource: convert Integrator/AP 16-bit down counting clocksource
clocksource: convert W90x900 24-bit down counting clocksource
clocksource: convert ARM 32-bit down counting clocksources
clocksource: convert ARM 32-bit up counting clocksources
clocksource: add common mmio clocksource
ARM: update sa1100 to reflect PXA updates
ARM: omap1: convert to using readl/writel instead of volatile struct
ARM: omap1: delete useless interrupt handler
ARM: s5p: consolidate selection of timer register
ARM: 6939/1: fix missing 'cpu_relax()' declaration
...
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/io.h')
-rw-r--r-- | arch/arm/plat-mxc/include/mach/io.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h index b4f2de769466..4347a87d2bb0 100644 --- a/arch/arm/plat-mxc/include/mach/io.h +++ b/arch/arm/plat-mxc/include/mach/io.h @@ -14,19 +14,26 @@ /* Allow IO space to be anywhere in the memory */ #define IO_SPACE_LIMIT 0xffffffff -#ifdef CONFIG_ARCH_MX3 -#define __arch_ioremap __mx3_ioremap +#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35) +#include <mach/hardware.h> + +#define __arch_ioremap __imx_ioremap #define __arch_iounmap __iounmap +#define addr_in_module(addr, mod) \ + ((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE) + static inline void __iomem * -__mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) +__imx_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) { - if (mtype == MT_DEVICE) { - /* Access all peripherals below 0x80000000 as nonshared device - * but leave l2cc alone. + if (mtype == MT_DEVICE && (cpu_is_mx31() || cpu_is_mx35())) { + /* + * Access all peripherals below 0x80000000 as nonshared device + * on mx3, but leave l2cc alone. Otherwise cache corruptions + * can occur. */ - if ((phys_addr < 0x80000000) && ((phys_addr < 0x30000000) || - (phys_addr >= 0x30000000 + SZ_1M))) + if (phys_addr < 0x80000000 && + !addr_in_module(phys_addr, MX3x_L2CC)) mtype = MT_DEVICE_NONSHARED; } |