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authorMark Brown <broonie@kernel.org>2020-12-11 17:47:55 +0000
committerMark Brown <broonie@kernel.org>2020-12-11 17:47:55 +0000
commit031616c434db05ce766f76c62865f55698e0924f (patch)
tree7f29aa1ff3e7b51a8058cd570fb785c6e769b245 /arch/arm/mach-imx/cpu-imx31.c
parent064841ccfc49b2315dc0b797239862d3a343aa07 (diff)
parent85a7555575a0e48f9b73db310d0d762a08a46d63 (diff)
Merge remote-tracking branch 'asoc/for-5.10' into asoc-linus
Diffstat (limited to 'arch/arm/mach-imx/cpu-imx31.c')
-rw-r--r--arch/arm/mach-imx/cpu-imx31.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/cpu-imx31.c b/arch/arm/mach-imx/cpu-imx31.c
index 3ee684b71006..b9c24b851d1a 100644
--- a/arch/arm/mach-imx/cpu-imx31.c
+++ b/arch/arm/mach-imx/cpu-imx31.c
@@ -6,6 +6,7 @@
*/
#include <linux/module.h>
+#include <linux/of_address.h>
#include <linux/io.h>
#include "common.h"
@@ -32,10 +33,16 @@ static struct {
static int mx31_read_cpu_rev(void)
{
+ void __iomem *iim_base;
+ struct device_node *np;
u32 i, srev;
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx31-iim");
+ iim_base = of_iomap(np, 0);
+ BUG_ON(!iim_base);
+
/* read SREV register from IIM module */
- srev = imx_readl(MX31_IO_ADDRESS(MX31_IIM_BASE_ADDR + MXC_IIMSREV));
+ srev = imx_readl(iim_base + MXC_IIMSREV);
srev &= 0xff;
for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)