[PATCH 10/10] ARM: VFxxx: Detect cpu variant and reset source on start
Andrey Smirnov
andrew.smirnov at gmail.com
Sat Apr 14 10:50:24 PDT 2018
Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
---
arch/arm/mach-imx/Makefile | 1 +
arch/arm/mach-imx/imx.c | 2 +-
arch/arm/mach-imx/include/mach/generic.h | 1 +
arch/arm/mach-imx/vf610.c | 50 ++++++++++++++++++++++++++++++++
4 files changed, 53 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-imx/vf610.c
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 8ec846cce..160ed4b08 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_ARCH_IMX6) += imx6.o usb-imx6.o
CFLAGS_imx6.o := -march=armv7-a
lwl-$(CONFIG_ARCH_IMX6) += imx6-mmdc.o
obj-$(CONFIG_ARCH_IMX7) += imx7.o
+obj-$(CONFIG_ARCH_VF610) += vf610.o
obj-$(CONFIG_ARCH_IMX_XLOAD) += xload.o
obj-$(CONFIG_IMX_IIM) += iim.o
obj-$(CONFIG_IMX_OCOTP) += ocotp.o
diff --git a/arch/arm/mach-imx/imx.c b/arch/arm/mach-imx/imx.c
index e84713766..174eff037 100644
--- a/arch/arm/mach-imx/imx.c
+++ b/arch/arm/mach-imx/imx.c
@@ -120,7 +120,7 @@ static int imx_init(void)
else if (cpu_is_mx7())
ret = imx7_init();
else if (cpu_is_vf610())
- ret = 0;
+ ret = vf610_init();
else
return -EINVAL;
diff --git a/arch/arm/mach-imx/include/mach/generic.h b/arch/arm/mach-imx/include/mach/generic.h
index f68dc875b..cb5675185 100644
--- a/arch/arm/mach-imx/include/mach/generic.h
+++ b/arch/arm/mach-imx/include/mach/generic.h
@@ -34,6 +34,7 @@ int imx51_init(void);
int imx53_init(void);
int imx6_init(void);
int imx7_init(void);
+int vf610_init(void);
int imx1_devices_init(void);
int imx21_devices_init(void);
diff --git a/arch/arm/mach-imx/vf610.c b/arch/arm/mach-imx/vf610.c
new file mode 100644
index 000000000..0ef3e43af
--- /dev/null
+++ b/arch/arm/mach-imx/vf610.c
@@ -0,0 +1,50 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <init.h>
+#include <common.h>
+#include <io.h>
+#include <linux/sizes.h>
+#include <mach/generic.h>
+#include <mach/revision.h>
+#include <mach/reset-reason.h>
+#include <mach/vf610.h>
+
+int vf610_init(void)
+{
+ const char *cputypestr;
+ void __iomem *src = IOMEM(VF610_SRC_BASE_ADDR);
+
+ switch (vf610_cpu_type()) {
+ case VF610_CPUTYPE_VF610:
+ cputypestr = "VF610";
+ break;
+ case VF610_CPUTYPE_VF600:
+ cputypestr = "VF600";
+ break;
+ case VF610_CPUTYPE_VF510:
+ cputypestr = "VF510";
+ break;
+ case VF610_CPUTYPE_VF500:
+ cputypestr = "VF500";
+ break;
+ default:
+ cputypestr = "unknown VFxxx";
+ break;
+ }
+
+ imx_set_silicon_revision(cputypestr, vf610_cpu_revision());
+ imx_set_reset_reason(src + VF610_SRC_SRSR);
+
+ return 0;
+}
--
2.14.3
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