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imx: imx6: perform gpr_init only on suitable cpu types

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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 <cniedermaier@dh-electronics.de>
This commit is contained in:
Christoph Niedermaier 2018-10-19 17:40:54 +02:00 • committed by Stefano Babic
parent c5bbfaf05d
commit 19bbd09825
1 changed files with 8 additions and 0 deletions
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8
arch/arm/mach-imx/mx6/soc.c
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@ -660,6 +660,14 @@ void gpr_init(void)
{ {
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 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 */ /* enable AXI cache for VDOA/VPU/IPU */
writel(0xF00000CF, &iomux->gpr[4]); writel(0xF00000CF, &iomux->gpr[4]);
if (is_mx6dqp()) { if (is_mx6dqp()) {