1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
6 #ifndef _DV_DDR2_DEFS_H_
7 #define _DV_DDR2_DEFS_H_
10 * DDR2 Memory Ctrl Register structure
11 * See sprueh7d.pdf for more details.
13 struct dv_ddr2_regs_ctrl {
14 unsigned char rsvd0[4]; /* 0x00 */
15 unsigned int sdrstat; /* 0x04 */
16 unsigned int sdbcr; /* 0x08 */
17 unsigned int sdrcr; /* 0x0C */
18 unsigned int sdtimr; /* 0x10 */
19 unsigned int sdtimr2; /* 0x14 */
20 unsigned char rsvd1[4]; /* 0x18 */
21 unsigned int sdbcr2; /* 0x1C */
22 unsigned int pbbpr; /* 0x20 */
23 unsigned char rsvd2[156]; /* 0x24 */
24 unsigned int irr; /* 0xC0 */
25 unsigned int imr; /* 0xC4 */
26 unsigned int imsr; /* 0xC8 */
27 unsigned int imcr; /* 0xCC */
28 unsigned char rsvd3[20]; /* 0xD0 */
29 unsigned int ddrphycr; /* 0xE4 */
30 unsigned int ddrphycr2; /* 0xE8 */
31 unsigned char rsvd4[4]; /* 0xEC */
34 #define DV_DDR_PHY_PWRDNEN 0x40
35 #define DV_DDR_PHY_EXT_STRBEN 0x80
36 #define DV_DDR_PHY_RD_LATENCY_SHIFT 0
38 #define DV_DDR_SDTMR1_RFC_SHIFT 25
39 #define DV_DDR_SDTMR1_RP_SHIFT 22
40 #define DV_DDR_SDTMR1_RCD_SHIFT 19
41 #define DV_DDR_SDTMR1_WR_SHIFT 16
42 #define DV_DDR_SDTMR1_RAS_SHIFT 11
43 #define DV_DDR_SDTMR1_RC_SHIFT 6
44 #define DV_DDR_SDTMR1_RRD_SHIFT 3
45 #define DV_DDR_SDTMR1_WTR_SHIFT 0
47 #define DV_DDR_SDTMR2_RASMAX_SHIFT 27
48 #define DV_DDR_SDTMR2_XP_SHIFT 25
49 #define DV_DDR_SDTMR2_ODT_SHIFT 23
50 #define DV_DDR_SDTMR2_XSNR_SHIFT 16
51 #define DV_DDR_SDTMR2_XSRD_SHIFT 8
52 #define DV_DDR_SDTMR2_RTP_SHIFT 5
53 #define DV_DDR_SDTMR2_CKE_SHIFT 0
55 #define DV_DDR_SDCR_DDR2TERM1_SHIFT 27
56 #define DV_DDR_SDCR_IBANK_POS_SHIFT 26
57 #define DV_DDR_SDCR_MSDRAMEN_SHIFT 25
58 #define DV_DDR_SDCR_DDRDRIVE1_SHIFT 24
59 #define DV_DDR_SDCR_BOOTUNLOCK_SHIFT 23
60 #define DV_DDR_SDCR_DDR_DDQS_SHIFT 22
61 #define DV_DDR_SDCR_DDR2EN_SHIFT 20
62 #define DV_DDR_SDCR_DDRDRIVE0_SHIFT 18
63 #define DV_DDR_SDCR_DDREN_SHIFT 17
64 #define DV_DDR_SDCR_SDRAMEN_SHIFT 16
65 #define DV_DDR_SDCR_TIMUNLOCK_SHIFT 15
66 #define DV_DDR_SDCR_BUS_WIDTH_SHIFT 14
67 #define DV_DDR_SDCR_CL_SHIFT 9
68 #define DV_DDR_SDCR_IBANK_SHIFT 4
69 #define DV_DDR_SDCR_PAGESIZE_SHIFT 0
71 #define DV_DDR_SDRCR_LPMODEN (1 << 31)
72 #define DV_DDR_SDRCR_MCLKSTOPEN (1 << 30)
74 #define DV_DDR_SRCR_LPMODEN_SHIFT 31
75 #define DV_DDR_SRCR_MCLKSTOPEN_SHIFT 30
77 #define DV_DDR_BOOTUNLOCK (1 << DV_DDR_SDCR_BOOTUNLOCK_SHIFT)
78 #define DV_DDR_TIMUNLOCK (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT)
80 #define dv_ddr2_regs_ctrl \
81 ((struct dv_ddr2_regs_ctrl *)DAVINCI_DDR_EMIF_CTRL_BASE)
83 #endif /* _DV_DDR2_DEFS_H_ */