1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
new file mode 100644
index 0000000000..8d771ce16f
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier:     GPL-2.0+ */
+/*
+ * Copyright (C) 2018 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef _ASM_ARCH_SDRAM_COMMON_H
+#define _ASM_ARCH_SDRAM_COMMON_H
+
+struct sdram_cap_info {
+	unsigned int rank;
+	/* dram column number, 0 means this channel is invalid */
+	unsigned int col;
+	/* dram bank number, 3:8bank, 2:4bank */
+	unsigned int bk;
+	/* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
+	unsigned int bw;
+	/* die buswidth, 2:32bit, 1:16bit, 0:8bit */
+	unsigned int dbw;
+	/*
+	 * row_3_4 = 1: 6Gb or 12Gb die
+	 * row_3_4 = 0: normal die, power of 2
+	 */
+	unsigned int row_3_4;
+	unsigned int cs0_row;
+	unsigned int cs1_row;
+	unsigned int cs0_high16bit_row;
+	unsigned int cs1_high16bit_row;
+	unsigned int ddrconfig;
+};
+
+struct sdram_base_params {
+	unsigned int ddr_freq;
+	unsigned int dramtype;
+	unsigned int num_channels;
+	unsigned int stride;
+	unsigned int odt;
+};
+
+#if !defined(CONFIG_RAM_ROCKCHIP_DEBUG)
+inline void sdram_print_dram_type(unsigned char dramtype)
+{
+}
+
+inline void sdram_print_ddr_info(struct sdram_cap_info *cap_info,
+				 struct sdram_base_params *base)
+{
+}
+
+inline void sdram_print_stride(unsigned int stride)
+{
+}
+#else
+void sdram_print_dram_type(unsigned char dramtype);
+void sdram_print_ddr_info(struct sdram_cap_info *cap_info,
+			  struct sdram_base_params *base);
+void sdram_print_stride(unsigned int stride);
+#endif /* CONFIG_RAM_ROCKCHIP_DEBUG */
+
+#endif