imx: mx6: ddr add dram io configuration and header file for i.MX6SL

Define two structure mx6sl_iomux_ddr_regs and mx6sl_iomux_grp_regs.
Add a new function mx6sl_dram_iocfg to configure dram io.
Add header file to define macros for register address.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-mx6/mx6sl-ddr.h b/arch/arm/include/asm/arch-mx6/mx6sl-ddr.h
new file mode 100644
index 0000000000..c3c4d69818
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx6/mx6sl-ddr.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_MX6SL_DDR_H__
+#define __ASM_ARCH_MX6SL_DDR_H__
+
+#ifndef CONFIG_MX6SL
+#error "wrong CPU"
+#endif
+
+#define MX6_IOM_DRAM_CAS_B	0x020e0300
+#define MX6_IOM_DRAM_CS0_B	0x020e0304
+#define MX6_IOM_DRAM_CS1_B	0x020e0308
+
+#define MX6_IOM_DRAM_DQM0	0x020e030c
+#define MX6_IOM_DRAM_DQM1	0x020e0310
+#define MX6_IOM_DRAM_DQM2	0x020e0314
+#define MX6_IOM_DRAM_DQM3	0x020e0318
+
+#define MX6_IOM_DRAM_RAS_B	0x020e031c
+#define MX6_IOM_DRAM_RESET	0x020e0320
+
+#define MX6_IOM_DRAM_SDBA0	0x020e0324
+#define MX6_IOM_DRAM_SDBA1	0x020e0328
+#define MX6_IOM_DRAM_SDBA2	0x020e032c
+
+#define MX6_IOM_DRAM_SDCKE0	0x020e0330
+#define MX6_IOM_DRAM_SDCKE1	0x020e0334
+
+#define MX6_IOM_DRAM_SDCLK0_P	0x020e0338
+
+#define MX6_IOM_DRAM_ODT0	0x020e033c
+#define MX6_IOM_DRAM_ODT1	0x020e0340
+
+#define MX6_IOM_DRAM_SDQS0_P	0x020e0344
+#define MX6_IOM_DRAM_SDQS1_P	0x020e0348
+#define MX6_IOM_DRAM_SDQS2_P	0x020e034c
+#define MX6_IOM_DRAM_SDQS3_P	0x020e0350
+
+#define MX6_IOM_DRAM_SDWE_B	0x020e0354
+
+#endif /*__ASM_ARCH_MX6SL_DDR_H__ */