ARM: imx: add a common function to initialize revision from anatop

The patch creates a common function imx_init_revision_from_anatop() by
merging imx6q_init_revision() and imx_anatop_get_digprog(), so that any
SoC that encodes revision info in anatop can use it to initialize
revision.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 1 insertions, 24 deletions

diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index f260aad9850b..1bdd0be429b9 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -38,29 +38,6 @@
 #include "cpuidle.h"
 #include "hardware.h"
 
-static void __init imx6q_init_revision(void)
-{
-        u32 rev = imx_anatop_get_digprog();
-        u32 chip_revision;
-
-        switch (rev & 0xff) {
-        case 0:
-                chip_revision = IMX_CHIP_REVISION_1_0;
-                break;
-        case 1:
-                chip_revision = IMX_CHIP_REVISION_1_1;
-                break;
-        case 2:
-                chip_revision = IMX_CHIP_REVISION_1_2;
-                break;
-        default:
-                chip_revision = IMX_CHIP_REVISION_UNKNOWN;
-        }
-
-        mxc_set_cpu_type(rev >> 16 & 0xff);
-        imx_set_soc_revision(chip_revision);
-}
-
 static void imx6q_restart(enum reboot_mode mode, const char *cmd)
 {
         struct device_node *np;
@@ -282,7 +259,7 @@ static void __init imx6q_map_io(void)
 
 static void __init imx6q_init_irq(void)
 {
-        imx6q_init_revision();
+        imx_init_revision_from_anatop();
         imx_init_l2cache();
         imx_src_init();
         imx_gpc_init();