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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-09-30 18:14:08 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-05 20:03:01 +0200 |
| commit | 5003e4ddc899909c8f9c15978aa53e432b6b3831 (patch) | |
| tree | ae45985765a566e952fc76793ac816924618f897 /arch/arm/mach-imx/imx53.c | |
| parent | 4008d0a34aa495164eadaab66595266286f8f4f4 (diff) | |
| download | barebox-5003e4ddc899909c8f9c15978aa53e432b6b3831.tar.gz barebox-5003e4ddc899909c8f9c15978aa53e432b6b3831.tar.xz | |
ARM i.MX: streamline imx_silicon_revision
All i.MX SoCs now use the same imx_silicon_revision() function to get
the revision. Add a separate header file for it and a common function
used on all SoCs.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/imx53.c')
| -rw-r--r-- | arch/arm/mach-imx/imx53.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/arm/mach-imx/imx53.c b/arch/arm/mach-imx/imx53.c index 88b4274fd5..4aa3f61df3 100644 --- a/arch/arm/mach-imx/imx53.c +++ b/arch/arm/mach-imx/imx53.c @@ -18,22 +18,18 @@ #include <sizes.h> #include <mach/imx5.h> #include <mach/imx-regs.h> +#include <mach/revision.h> #include <mach/clock-imx51_53.h> #define SI_REV 0x48 -static u32 mx53_silicon_revision; static char *mx53_rev_string = "unknown"; -int imx_silicon_revision(void) -{ - return mx53_silicon_revision; -} - -static int query_silicon_revision(void) +static int imx53_silicon_revision(void) { void __iomem *rom = MX53_IROM_BASE_ADDR; u32 rev; + u32 mx53_silicon_revision; rev = readl(rom + SI_REV); switch (rev) { @@ -53,9 +49,10 @@ static int query_silicon_revision(void) mx53_silicon_revision = 0; } + imx_set_silicon_revision(mx53_silicon_revision); + return 0; } -core_initcall(query_silicon_revision); static int imx53_print_silicon_rev(void) { @@ -67,6 +64,8 @@ device_initcall(imx53_print_silicon_rev); static int imx53_init(void) { + imx53_silicon_revision(); + add_generic_device("imx_iim", 0, NULL, MX53_IIM_BASE_ADDR, SZ_4K, IORESOURCE_MEM, NULL); |