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| author | Olof Johansson <olof@lixom.net> | 2015-04-03 13:56:36 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2015-04-03 13:56:36 -0700 |
| commit | c4c14f393fe4991a423c21516511ff1011140143 (patch) | |
| tree | 469dab463752b815968bb947ef6234a781decff5 /arch/arm/mach-imx/cpu-imx25.c | |
| parent | 5602d12a861340e9ed2c17cdefc500fa12b52446 (diff) | |
| parent | dc98b0cb6175016f31c8ef1685dd0d69476aa495 (diff) | |
Merge tag 'imx-cleanup-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/cleanup
Merge "ARM: imx: cleanup for 4.1" from Shawn Guo:
The i.MX cleanup for v4.1:
- Convert i.MX25 to be a DT only platform and remove the code that is
only used by non-DT support
- A couple trivial cleanup on iomux-v3 code
* tag 'imx-cleanup-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx_v4_v5_defconfig: Remove CONFIG_MACH_MX25_3DS
ARM: mx25: Remove imxdi_rtc platform code
ARM: mx25: Remove "mx25.h" header file
ARM: mx25: Remove static memory mapping
ARM: mx25: Retrieve IIM base from dt
ARM: mx25: Remove mx25_clocks_init()
ARM: mx25: Remove platform code support files
ARM: mx25: Convert to a dt-only platform
ARM: imx25: Remove eukrea mx25 board files
ARM: mx25: Remove mach-mx25_3ds board file
ARM: imx: Fix trivial typo in comments
ARM: imx: Kconfig: Fix grammar in help text
ARM: imx/iomux-v3: allow pad_list to be const
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-imx/cpu-imx25.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu-imx25.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/cpu-imx25.c b/arch/arm/mach-imx/cpu-imx25.c index 96ec64b5ff7d..d0ad67e802d3 100644 --- a/arch/arm/mach-imx/cpu-imx25.c +++ b/arch/arm/mach-imx/cpu-imx25.c @@ -11,6 +11,8 @@ */ #include <linux/module.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> #include "iim.h" #include "hardware.h" @@ -20,8 +22,15 @@ static int mx25_cpu_rev = -1; static int mx25_read_cpu_rev(void) { u32 rev; + void __iomem *iim_base; + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx25-iim"); + iim_base = of_iomap(np, 0); + BUG_ON(!iim_base); + rev = readl(iim_base + MXC_IIMSREV); + iounmap(iim_base); - rev = __raw_readl(MX25_IO_ADDRESS(MX25_IIM_BASE_ADDR + MXC_IIMSREV)); switch (rev) { case 0x00: return IMX_CHIP_REVISION_1_0; |