imx: system counter driver for imx7d and mx6ul
Add system counter driver for imx7d and mx6ul
imx7 and imx6ul supports system counter timer as well as
GPT timer (arch/arm/imx-common/timer.c); The default for
imx7 is systemcounter timer.
Signed-off-by: Ye.Li <B37916@freescale.com>
Signed-off-by: Adrian Alonso <aalonso@freescale.com>
diff --git a/arch/arm/include/asm/imx-common/syscounter.h b/arch/arm/include/asm/imx-common/syscounter.h
new file mode 100644
index 0000000..bdbe26c
--- /dev/null
+++ b/arch/arm/include/asm/imx-common/syscounter.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_SYSTEM_COUNTER_H
+#define _ASM_ARCH_SYSTEM_COUNTER_H
+
+/* System Counter */
+struct sctr_regs {
+ u32 cntcr;
+ u32 cntsr;
+ u32 cntcv1;
+ u32 cntcv2;
+ u32 resv1[4];
+ u32 cntfid0;
+ u32 cntfid1;
+ u32 cntfid2;
+ u32 resv2[1001];
+ u32 counterid[1];
+};
+
+#define SC_CNTCR_ENABLE (1 << 0)
+#define SC_CNTCR_HDBG (1 << 1)
+#define SC_CNTCR_FREQ0 (1 << 8)
+#define SC_CNTCR_FREQ1 (1 << 9)
+
+#endif