i.MX: Add i.MX6 System Reset Controller device.

This controller is also present in i.MX5X devices but they are not
yet emulated by QEMU.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/include/hw/misc/imx6_src.h b/include/hw/misc/imx6_src.h
new file mode 100644
index 0000000000..eb3640732e
--- /dev/null
+++ b/include/hw/misc/imx6_src.h
@@ -0,0 +1,73 @@
+/*
+ * IMX6 System Reset Controller
+ *
+ * Copyright (C) 2012 NICTA
+ * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef IMX6_SRC_H
+#define IMX6_SRC_H
+
+#include "hw/sysbus.h"
+#include "qemu/bitops.h"
+
+#define SRC_SCR 0
+#define SRC_SBMR1 1
+#define SRC_SRSR 2
+#define SRC_SISR 5
+#define SRC_SIMR 6
+#define SRC_SBMR2 7
+#define SRC_GPR1 8
+#define SRC_GPR2 9
+#define SRC_GPR3 10
+#define SRC_GPR4 11
+#define SRC_GPR5 12
+#define SRC_GPR6 13
+#define SRC_GPR7 14
+#define SRC_GPR8 15
+#define SRC_GPR9 16
+#define SRC_GPR10 17
+#define SRC_MAX 18
+
+/* SRC_SCR */
+#define CORE3_ENABLE_SHIFT     24
+#define CORE3_ENABLE_LENGTH    1
+#define CORE2_ENABLE_SHIFT     23
+#define CORE2_ENABLE_LENGTH    1
+#define CORE1_ENABLE_SHIFT     22
+#define CORE1_ENABLE_LENGTH    1
+#define CORE3_RST_SHIFT        16
+#define CORE3_RST_LENGTH       1
+#define CORE2_RST_SHIFT        15
+#define CORE2_RST_LENGTH       1
+#define CORE1_RST_SHIFT        14
+#define CORE1_RST_LENGTH       1
+#define CORE0_RST_SHIFT        13
+#define CORE0_RST_LENGTH       1
+#define SW_IPU1_RST_SHIFT      3
+#define SW_IPU1_RST_LENGTH     1
+#define SW_IPU2_RST_SHIFT      12
+#define SW_IPU2_RST_LENGTH     1
+#define WARM_RST_ENABLE_SHIFT  0
+#define WARM_RST_ENABLE_LENGTH 1
+
+#define EXTRACT(value, name) extract32(value, name##_SHIFT, name##_LENGTH)
+
+#define TYPE_IMX6_SRC "imx6.src"
+#define IMX6_SRC(obj) OBJECT_CHECK(IMX6SRCState, (obj), TYPE_IMX6_SRC)
+
+typedef struct IMX6SRCState {
+    /* <private> */
+    SysBusDevice parent_obj;
+
+    /* <public> */
+    MemoryRegion iomem;
+
+    uint32_t regs[SRC_MAX];
+
+} IMX6SRCState;
+
+#endif /* IMX6_SRC_H */