From: Christoph Niedermaier <cniederma...@dh-electronics.de>
If the function gpr_init is used in a common MX6 spl
implementation we have to ensure that it is only called for
suitable cpu types, otherwise it breaks hardware parts like
enet1, can1, can2, etc.
Signed-off-by: Christoph Niedermaier <cniederma...@dh-electronics.de>
---
arch/arm/mach-imx/mx6/soc.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c
index 31c9a6e..e80f1d4 100644
--- a/arch/arm/mach-imx/mx6/soc.c
+++ b/arch/arm/mach-imx/mx6/soc.c
@@ -660,6 +660,14 @@ void gpr_init(void)
{
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ /*
+ * If this function is used in a common MX6 spl implementation
+ * we have to ensure that it is only called for suitable cpu types,
+ * otherwise it breaks hardware parts like enet1, can1, can2, etc.
+ */
+ if (!is_mx6dqp() && !is_mx6dq() && !is_mx6sdl())
+ return;
+
/* enable AXI cache for VDOA/VPU/IPU */
writel(0xF00000CF, &iomux->gpr[4]);
if (is_mx6dqp()) {
--
2.1.4
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