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-rw-r--r--arch/arm/include/asm/arch-davinci/ddr2_defs.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-davinci/ddr2_defs.h b/arch/arm/include/asm/arch-davinci/ddr2_defs.h
new file mode 100644
index 0000000..1b9430c
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/ddr2_defs.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#ifndef _DV_DDR2_DEFS_H_
+#define _DV_DDR2_DEFS_H_
+
+/*
+ * DDR2 Memory Ctrl Register structure
+ * See sprueh7d.pdf for more details.
+ */
+struct dv_ddr2_regs_ctrl {
+ unsigned char rsvd0[4]; /* 0x00 */
+ unsigned int sdrstat; /* 0x04 */
+ unsigned int sdbcr; /* 0x08 */
+ unsigned int sdrcr; /* 0x0C */
+ unsigned int sdtimr; /* 0x10 */
+ unsigned int sdtimr2; /* 0x14 */
+ unsigned char rsvd1[4]; /* 0x18 */
+ unsigned int sdbcr2; /* 0x1C */
+ unsigned int pbbpr; /* 0x20 */
+ unsigned char rsvd2[156]; /* 0x24 */
+ unsigned int irr; /* 0xC0 */
+ unsigned int imr; /* 0xC4 */
+ unsigned int imsr; /* 0xC8 */
+ unsigned int imcr; /* 0xCC */
+ unsigned char rsvd3[20]; /* 0xD0 */
+ unsigned int ddrphycr; /* 0xE4 */
+ unsigned int ddrphycr2; /* 0xE8 */
+ unsigned char rsvd4[4]; /* 0xEC */
+};
+
+#define DV_DDR_PHY_PWRDNEN 0x40
+#define DV_DDR_PHY_EXT_STRBEN 0x80
+#define DV_DDR_PHY_RD_LATENCY_SHIFT 0
+
+#define DV_DDR_SDTMR1_RFC_SHIFT 25
+#define DV_DDR_SDTMR1_RP_SHIFT 22
+#define DV_DDR_SDTMR1_RCD_SHIFT 19
+#define DV_DDR_SDTMR1_WR_SHIFT 16
+#define DV_DDR_SDTMR1_RAS_SHIFT 11
+#define DV_DDR_SDTMR1_RC_SHIFT 6
+#define DV_DDR_SDTMR1_RRD_SHIFT 3
+#define DV_DDR_SDTMR1_WTR_SHIFT 0
+
+#define DV_DDR_SDTMR2_RASMAX_SHIFT 27
+#define DV_DDR_SDTMR2_XP_SHIFT 25
+#define DV_DDR_SDTMR2_XSNR_SHIFT 16
+#define DV_DDR_SDTMR2_XSRD_SHIFT 8
+#define DV_DDR_SDTMR2_RTP_SHIFT 5
+#define DV_DDR_SDTMR2_CKE_SHIFT 0
+
+#define DV_DDR_SDCR_DDR2TERM1_SHIFT 27
+#define DV_DDR_SDCR_IBANK_POS_SHIFT 26
+#define DV_DDR_SDCR_MSDRAMEN_SHIFT 25
+#define DV_DDR_SDCR_DDRDRIVE1_SHIFT 24
+#define DV_DDR_SDCR_BOOTUNLOCK_SHIFT 23
+#define DV_DDR_SDCR_DDR_DDQS_SHIFT 22
+#define DV_DDR_SDCR_DDR2EN_SHIFT 20
+#define DV_DDR_SDCR_DDRDRIVE0_SHIFT 18
+#define DV_DDR_SDCR_DDREN_SHIFT 17
+#define DV_DDR_SDCR_SDRAMEN_SHIFT 16
+#define DV_DDR_SDCR_TIMUNLOCK_SHIFT 15
+#define DV_DDR_SDCR_BUS_WIDTH_SHIFT 14
+#define DV_DDR_SDCR_CL_SHIFT 9
+#define DV_DDR_SDCR_IBANK_SHIFT 4
+#define DV_DDR_SDCR_PAGESIZE_SHIFT 0
+
+#define DV_DDR_SRCR_LPMODEN_SHIFT 31
+#define DV_DDR_SRCR_MCLKSTOPEN_SHIFT 30
+
+#define DV_DDR_BOOTUNLOCK (1 << DV_DDR_SDCR_BOOTUNLOCK_SHIFT)
+#define DV_DDR_TIMUNLOCK (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT)
+
+#define dv_ddr2_regs_ctrl \
+ ((struct dv_ddr2_regs_ctrl *)DAVINCI_DDR_EMIF_CTRL_BASE)
+
+#endif /* _DV_DDR2_DEFS_H_ */