i.MX: Add code to emulate i.MX7 CCM, PMU and ANALOG IP blocks

Add minimal code needed to allow upstream Linux guest to boot.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Marcel Apfelbaum <marcel.apfelbaum@zoho.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 139 insertions, 0 deletions

diff --git a/include/hw/misc/imx7_ccm.h b/include/hw/misc/imx7_ccm.h
new file mode 100644
index 0000000000..9538f37d98
--- /dev/null
+++ b/include/hw/misc/imx7_ccm.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2017, Impinj, Inc.
+ *
+ * i.MX7 CCM, PMU and ANALOG IP blocks emulation code
+ *
+ * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
+ *
+ * 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 IMX7_CCM_H
+#define IMX7_CCM_H
+
+#include "hw/misc/imx_ccm.h"
+#include "qemu/bitops.h"
+
+enum IMX7AnalogRegisters {
+    ANALOG_PLL_ARM,
+    ANALOG_PLL_ARM_SET,
+    ANALOG_PLL_ARM_CLR,
+    ANALOG_PLL_ARM_TOG,
+    ANALOG_PLL_DDR,
+    ANALOG_PLL_DDR_SET,
+    ANALOG_PLL_DDR_CLR,
+    ANALOG_PLL_DDR_TOG,
+    ANALOG_PLL_DDR_SS,
+    ANALOG_PLL_DDR_SS_SET,
+    ANALOG_PLL_DDR_SS_CLR,
+    ANALOG_PLL_DDR_SS_TOG,
+    ANALOG_PLL_DDR_NUM,
+    ANALOG_PLL_DDR_NUM_SET,
+    ANALOG_PLL_DDR_NUM_CLR,
+    ANALOG_PLL_DDR_NUM_TOG,
+    ANALOG_PLL_DDR_DENOM,
+    ANALOG_PLL_DDR_DENOM_SET,
+    ANALOG_PLL_DDR_DENOM_CLR,
+    ANALOG_PLL_DDR_DENOM_TOG,
+    ANALOG_PLL_480,
+    ANALOG_PLL_480_SET,
+    ANALOG_PLL_480_CLR,
+    ANALOG_PLL_480_TOG,
+    ANALOG_PLL_480A,
+    ANALOG_PLL_480A_SET,
+    ANALOG_PLL_480A_CLR,
+    ANALOG_PLL_480A_TOG,
+    ANALOG_PLL_480B,
+    ANALOG_PLL_480B_SET,
+    ANALOG_PLL_480B_CLR,
+    ANALOG_PLL_480B_TOG,
+    ANALOG_PLL_ENET,
+    ANALOG_PLL_ENET_SET,
+    ANALOG_PLL_ENET_CLR,
+    ANALOG_PLL_ENET_TOG,
+    ANALOG_PLL_AUDIO,
+    ANALOG_PLL_AUDIO_SET,
+    ANALOG_PLL_AUDIO_CLR,
+    ANALOG_PLL_AUDIO_TOG,
+    ANALOG_PLL_AUDIO_SS,
+    ANALOG_PLL_AUDIO_SS_SET,
+    ANALOG_PLL_AUDIO_SS_CLR,
+    ANALOG_PLL_AUDIO_SS_TOG,
+    ANALOG_PLL_AUDIO_NUM,
+    ANALOG_PLL_AUDIO_NUM_SET,
+    ANALOG_PLL_AUDIO_NUM_CLR,
+    ANALOG_PLL_AUDIO_NUM_TOG,
+    ANALOG_PLL_AUDIO_DENOM,
+    ANALOG_PLL_AUDIO_DENOM_SET,
+    ANALOG_PLL_AUDIO_DENOM_CLR,
+    ANALOG_PLL_AUDIO_DENOM_TOG,
+    ANALOG_PLL_VIDEO,
+    ANALOG_PLL_VIDEO_SET,
+    ANALOG_PLL_VIDEO_CLR,
+    ANALOG_PLL_VIDEO_TOG,
+    ANALOG_PLL_VIDEO_SS,
+    ANALOG_PLL_VIDEO_SS_SET,
+    ANALOG_PLL_VIDEO_SS_CLR,
+    ANALOG_PLL_VIDEO_SS_TOG,
+    ANALOG_PLL_VIDEO_NUM,
+    ANALOG_PLL_VIDEO_NUM_SET,
+    ANALOG_PLL_VIDEO_NUM_CLR,
+    ANALOG_PLL_VIDEO_NUM_TOG,
+    ANALOG_PLL_VIDEO_DENOM,
+    ANALOG_PLL_VIDEO_DENOM_SET,
+    ANALOG_PLL_VIDEO_DENOM_CLR,
+    ANALOG_PLL_VIDEO_DENOM_TOG,
+    ANALOG_PLL_MISC0,
+    ANALOG_PLL_MISC0_SET,
+    ANALOG_PLL_MISC0_CLR,
+    ANALOG_PLL_MISC0_TOG,
+
+    ANALOG_DIGPROG = 0x800 / sizeof(uint32_t),
+    ANALOG_MAX,
+
+    ANALOG_PLL_LOCK = BIT(31)
+};
+
+enum IMX7CCMRegisters {
+    CCM_MAX = 0xBE00 / sizeof(uint32_t) + 1,
+};
+
+enum IMX7PMURegisters {
+    PMU_MAX = 0x140 / sizeof(uint32_t),
+};
+
+#define TYPE_IMX7_CCM "imx7.ccm"
+#define IMX7_CCM(obj) OBJECT_CHECK(IMX7CCMState, (obj), TYPE_IMX7_CCM)
+
+typedef struct IMX7CCMState {
+    /* <private> */
+    IMXCCMState parent_obj;
+
+    /* <public> */
+    MemoryRegion iomem;
+
+    uint32_t ccm[CCM_MAX];
+} IMX7CCMState;
+
+
+#define TYPE_IMX7_ANALOG "imx7.analog"
+#define IMX7_ANALOG(obj) OBJECT_CHECK(IMX7AnalogState, (obj), TYPE_IMX7_ANALOG)
+
+typedef struct IMX7AnalogState {
+    /* <private> */
+    IMXCCMState parent_obj;
+
+    /* <public> */
+    struct {
+        MemoryRegion container;
+        MemoryRegion analog;
+        MemoryRegion digprog;
+        MemoryRegion pmu;
+    } mmio;
+
+    uint32_t analog[ANALOG_MAX];
+    uint32_t pmu[PMU_MAX];
+} IMX7AnalogState;
+
+#endif /* IMX7_CCM_H */