1 files changed, 102 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/sdram.h b/arch/arm/include/asm/arch-rockchip/sdram.h
new file mode 100644
index 0000000..9220763
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/sdram.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * Copyright 2014 Rockchip Inc.
+ */
+
+#ifndef _ASM_ARCH_RK3288_SDRAM_H__
+#define _ASM_ARCH_RK3288_SDRAM_H__
+
+struct rk3288_sdram_channel {
+	/*
+	 * bit width in address, eg:
+	 * 8 banks using 3 bit to address,
+	 * 2 cs using 1 bit to address.
+	 */
+	u8 rank;
+	u8 col;
+	u8 bk;
+	u8 bw;
+	u8 dbw;
+	u8 row_3_4;
+	u8 cs0_row;
+	u8 cs1_row;
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+	/*
+	 * For of-platdata, which would otherwise convert this into two
+	 * byte-swapped integers. With a size of 9 bytes, this struct will
+	 * appear in of-platdata as a byte array.
+	 *
+	 * If OF_PLATDATA enabled, need to add a dummy byte in dts.(i.e 0xff)
+	 */
+	u8 dummy;
+#endif
+};
+
+struct rk3288_sdram_pctl_timing {
+	u32 togcnt1u;
+	u32 tinit;
+	u32 trsth;
+	u32 togcnt100n;
+	u32 trefi;
+	u32 tmrd;
+	u32 trfc;
+	u32 trp;
+	u32 trtw;
+	u32 tal;
+	u32 tcl;
+	u32 tcwl;
+	u32 tras;
+	u32 trc;
+	u32 trcd;
+	u32 trrd;
+	u32 trtp;
+	u32 twr;
+	u32 twtr;
+	u32 texsr;
+	u32 txp;
+	u32 txpdll;
+	u32 tzqcs;
+	u32 tzqcsi;
+	u32 tdqs;
+	u32 tcksre;
+	u32 tcksrx;
+	u32 tcke;
+	u32 tmod;
+	u32 trstl;
+	u32 tzqcl;
+	u32 tmrr;
+	u32 tckesr;
+	u32 tdpd;
+};
+check_member(rk3288_sdram_pctl_timing, tdpd, 0x144 - 0xc0);
+
+struct rk3288_sdram_phy_timing {
+	u32 dtpr0;
+	u32 dtpr1;
+	u32 dtpr2;
+	u32 mr[4];
+};
+
+struct rk3288_base_params {
+	u32 noc_timing;
+	u32 noc_activate;
+	u32 ddrconfig;
+	u32 ddr_freq;
+	u32 dramtype;
+	/*
+	 * DDR Stride is address mapping for DRAM space
+	 * Stride	Ch 0 range	Ch1 range	Total
+	 * 0x00		0-256MB		256MB-512MB	512MB
+	 * 0x05		0-1GB		0-1GB		1GB
+	 * 0x09		0-2GB		0-2GB		2GB
+	 * 0x0d		0-4GB		0-4GB		4GB
+	 * 0x17		N/A		0-4GB		4GB
+	 * 0x1a		0-4GB		4GB-8GB		8GB
+	 */
+	u32 stride;
+	u32 odt;
+};
+
+#endif