ARM: vf610: Move DDR3 initialization to imx-common
In order to avoid code duplication, move the DDR3 initialization to the
common place under imx-common. Currently ROW_DIFF and COL_DIFF can be
chosen from the board file. The JEDEC timings are specified using a
common ddr3_jedec_timings structure.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
diff --git a/arch/arm/include/asm/arch-vf610/ddrmc-vf610.h b/arch/arm/include/asm/arch-vf610/ddrmc-vf610.h
new file mode 100644
index 0000000..6730cde
--- /dev/null
+++ b/arch/arm/include/asm/arch-vf610/ddrmc-vf610.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2015
+ * Toradex, Inc.
+ *
+ * Authors: Stefan Agner
+ * Sanchayan Maity
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_VF610_DDRMC_H
+#define __ASM_ARCH_VF610_DDRMC_H
+
+struct ddrmc_lvl_info {
+ u16 wrlvl_reg_en;
+ u16 wrlvl_dl_0;
+ u16 wrlvl_dl_1;
+ u16 rdlvl_gt_reg_en;
+ u16 rdlvl_gt_dl_0;
+ u16 rdlvl_gt_dl_1;
+ u16 rdlvl_reg_en;
+ u16 rdlvl_dl_0;
+ u16 rdlvl_dl_1;
+};
+
+struct ddr3_jedec_timings {
+ u8 tinit;
+ u32 trst_pwron;
+ u32 cke_inactive;
+ u8 wrlat;
+ u8 caslat_lin;
+ u8 trc;
+ u8 trrd;
+ u8 tccd;
+ u8 tfaw;
+ u8 trp;
+ u8 twtr;
+ u8 tras_min;
+ u8 tmrd;
+ u8 trtp;
+ u32 tras_max;
+ u8 tmod;
+ u8 tckesr;
+ u8 tcke;
+ u8 trcd_int;
+ u8 tdal;
+ u16 tdll;
+ u8 trp_ab;
+ u16 tref;
+ u8 trfc;
+ u8 tpdex;
+ u8 txpdll;
+ u8 txsnr;
+ u16 txsr;
+ u8 cksrx;
+ u8 cksre;
+ u16 zqcl;
+ u16 zqinit;
+ u8 zqcs;
+ u8 ref_per_zq;
+ u8 aprebit;
+ u8 wlmrd;
+ u8 wldqsen;
+};
+
+void ddrmc_setup_iomux(void);
+void ddrmc_phy_init(void);
+void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
+ struct ddrmc_lvl_info *lvl,
+ int col_diff, int row_diff);
+
+#endif