Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
arch/arm/mach-imx/include/mach/vf610-regs.h | 3 ++
arch/arm/mach-imx/include/mach/vf610.h | 51 +++++++++++++++++++++++++++++
2 files changed, 54 insertions(+)
create mode 100644 arch/arm/mach-imx/include/mach/vf610.h
diff --git a/arch/arm/mach-imx/include/mach/vf610-regs.h b/arch/arm/mach-imx/include/mach/vf610-regs.h
index 8be220b68..2afdf7edc 100644
--- a/arch/arm/mach-imx/include/mach/vf610-regs.h
+++ b/arch/arm/mach-imx/include/mach/vf610-regs.h
@@ -107,4 +107,7 @@
#define VF610_MSCM_IRSPRC_CP0_EN 1
#define VF610_MSCM_IRSPRC_NUM 112
+#define VF610_MSCM_CPxCOUNT 0x00c
+#define VF610_MSCM_CPxCFG1 0x014
+
#endif
diff --git a/arch/arm/mach-imx/include/mach/vf610.h b/arch/arm/mach-imx/include/mach/vf610.h
new file mode 100644
index 000000000..6d00d2e45
--- /dev/null
+++ b/arch/arm/mach-imx/include/mach/vf610.h
@@ -0,0 +1,51 @@
+#ifndef __MACH_VF610_H
+#define __MACH_VF610_H
+
+#include <io.h>
+#include <mach/generic.h>
+#include <mach/vf610-regs.h>
+#include <mach/revision.h>
+
+#define VF610_CPUTYPE_VFx10 0x010
+
+#define VF610_CPUTYPE_VF610 0x610
+#define VF610_CPUTYPE_VF600 0x600
+#define VF610_CPUTYPE_VF510 0x510
+#define VF610_CPUTYPE_VF500 0x500
+
+#define VF610_ROM_VERSION_OFFSET 0x80
+
+static inline int __vf610_cpu_type(void)
+{
+ void __iomem *mscm = IOMEM(VF610_MSCM_BASE_ADDR);
+ const u32 cpxcount = readl(mscm + VF610_MSCM_CPxCOUNT);
+ const u32 cpxcfg1 = readl(mscm + VF610_MSCM_CPxCFG1);
+ int cpu_type;
+
+ cpu_type = cpxcount ? VF610_CPUTYPE_VF600 : VF610_CPUTYPE_VF500;
+
+ return cpxcfg1 ? cpu_type | VF610_CPUTYPE_VFx10 : cpu_type;
+}
+
+static inline int vf610_cpu_type(void)
+{
+ if (!cpu_is_vf610())
+ return 0;
+
+ return __vf610_cpu_type();
+}
+
+static inline int vf610_cpu_revision(void)
+{
+ if (!cpu_is_vf610())
+ return IMX_CHIP_REV_UNKNOWN;
+
+ /*
+ * There doesn't seem to be a documented way of retreiving
+ * silicon revision on VFxxx cpus, so we just report Mask ROM
+ * version instead
+ */
+ return readl(VF610_ROM_VERSION_OFFSET) & 0xff;
+}
+
+#endif
--
2.14.3
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