rk3399: dram: use PMU M0 to do ddr frequency scaling
We used dcf do ddr frequency scaling, but we just include a dcf
binary, it hard to maintain later, we have M0 compile flow in ATF,
and M0 can also work for ddr frequency scaling, so let's use it.
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
diff --git a/plat/rockchip/rk3399/include/shared/m0_param.h b/plat/rockchip/rk3399/include/shared/m0_param.h
new file mode 100644
index 0000000..46755e1
--- /dev/null
+++ b/plat/rockchip/rk3399/include/shared/m0_param.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __M0_PARAM_H__
+#define __M0_PARAM_H__
+
+#ifndef __LINKER__
+enum {
+ M0_FUNC_SUSPEND = 0,
+ M0_FUNC_DRAM = 1,
+};
+#endif /* __LINKER__ */
+
+#define PARAM_ADDR 0xc0
+
+#define PARAM_M0_FUNC 0x00
+#define PARAM_DRAM_FREQ 0x04
+#define PARAM_DPLL_CON0 0x08
+#define PARAM_DPLL_CON1 0x0c
+#define PARAM_DPLL_CON2 0x10
+#define PARAM_DPLL_CON3 0x14
+#define PARAM_DPLL_CON4 0x18
+#define PARAM_DPLL_CON5 0x1c
+#define PARAM_FREQ_SELECT 0x20
+#define PARAM_M0_DONE 0x24
+#define PARAM_M0_SIZE 0x28
+#define M0_DONE_FLAG 0xf59ec39a
+
+#endif /*__M0_PARAM_H__*/