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diff --git a/include/asm-arm/arch-at91/at91cap9_ddrsdr.h b/include/asm-arm/arch-at91/at91cap9_ddrsdr.h
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1/*
2 * include/asm-arm/arch-at91/at91cap9_ddrsdr.h
3 *
4 * DDR/SDR Controller (DDRSDRC) - System peripherals registers.
5 * Based on AT91CAP9 datasheet revision B.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 */
12
13#ifndef AT91CAP9_DDRSDR_H
14#define AT91CAP9_DDRSDR_H
15
16#define AT91_DDRSDRC_MR (AT91_DDRSDRC + 0x00) /* Mode Register */
17#define AT91_DDRSDRC_MODE (0xf << 0) /* Command Mode */
18#define AT91_DDRSDRC_MODE_NORMAL 0
19#define AT91_DDRSDRC_MODE_NOP 1
20#define AT91_DDRSDRC_MODE_PRECHARGE 2
21#define AT91_DDRSDRC_MODE_LMR 3
22#define AT91_DDRSDRC_MODE_REFRESH 4
23#define AT91_DDRSDRC_MODE_EXT_LMR 5
24#define AT91_DDRSDRC_MODE_DEEP 6
25
26#define AT91_DDRSDRC_RTR (AT91_DDRSDRC + 0x04) /* Refresh Timer Register */
27#define AT91_DDRSDRC_COUNT (0xfff << 0) /* Refresh Timer Counter */
28
29#define AT91_DDRSDRC_CR (AT91_DDRSDRC + 0x08) /* Configuration Register */
30#define AT91_DDRSDRC_NC (3 << 0) /* Number of Column Bits */
31#define AT91_DDRSDRC_NC_SDR8 (0 << 0)
32#define AT91_DDRSDRC_NC_SDR9 (1 << 0)
33#define AT91_DDRSDRC_NC_SDR10 (2 << 0)
34#define AT91_DDRSDRC_NC_SDR11 (3 << 0)
35#define AT91_DDRSDRC_NC_DDR9 (0 << 0)
36#define AT91_DDRSDRC_NC_DDR10 (1 << 0)
37#define AT91_DDRSDRC_NC_DDR11 (2 << 0)
38#define AT91_DDRSDRC_NC_DDR12 (3 << 0)
39#define AT91_DDRSDRC_NR (3 << 2) /* Number of Row Bits */
40#define AT91_DDRSDRC_NR_11 (0 << 2)
41#define AT91_DDRSDRC_NR_12 (1 << 2)
42#define AT91_DDRSDRC_NR_13 (2 << 2)
43#define AT91_DDRSDRC_CAS (7 << 4) /* CAS Latency */
44#define AT91_DDRSDRC_CAS_2 (2 << 4)
45#define AT91_DDRSDRC_CAS_3 (3 << 4)
46#define AT91_DDRSDRC_CAS_25 (6 << 4)
47#define AT91_DDRSDRC_DLL (1 << 7) /* Reset DLL */
48#define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */
49
50#define AT91_DDRSDRC_T0PR (AT91_DDRSDRC + 0x0C) /* Timing 0 Register */
51#define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */
52#define AT91_DDRSDRC_TRCD (0xf << 4) /* Row to Column delay */
53#define AT91_DDRSDRC_TWR (0xf << 8) /* Write recovery delay */
54#define AT91_DDRSDRC_TRC (0xf << 12) /* Row cycle delay */
55#define AT91_DDRSDRC_TRP (0xf << 16) /* Row precharge delay */
56#define AT91_DDRSDRC_TRRD (0xf << 20) /* Active BankA to BankB */
57#define AT91_DDRSDRC_TWTR (1 << 24) /* Internal Write to Read delay */
58#define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */
59
60#define AT91_DDRSDRC_T1PR (AT91_DDRSDRC + 0x10) /* Timing 1 Register */
61#define AT91_DDRSDRC_TRFC (0x1f << 0) /* Row Cycle Delay */
62#define AT91_DDRSDRC_TXSNR (0xff << 8) /* Exit self-refresh to non-read */
63#define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */
64#define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */
65
66#define AT91_DDRSDRC_LPR (AT91_DDRSDRC + 0x18) /* Low Power Register */
67#define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */
68#define AT91_DDRSDRC_LPCB_DISABLE 0
69#define AT91_DDRSDRC_LPCB_SELF_REFRESH 1
70#define AT91_DDRSDRC_LPCB_POWER_DOWN 2
71#define AT91_DDRSDRC_LPCB_DEEP_POWER_DOWN 3
72#define AT91_DDRSDRC_CLKFR (1 << 2) /* Clock Frozen */
73#define AT91_DDRSDRC_PASR (7 << 4) /* Partial Array Self Refresh */
74#define AT91_DDRSDRC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */
75#define AT91_DDRSDRC_DS (3 << 10) /* Drive Strength */
76#define AT91_DDRSDRC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */
77#define AT91_DDRSDRC_TIMEOUT_0_CLK_CYCLES (0 << 12)
78#define AT91_DDRSDRC_TIMEOUT_64_CLK_CYCLES (1 << 12)
79#define AT91_DDRSDRC_TIMEOUT_128_CLK_CYCLES (2 << 12)
80
81#define AT91_DDRSDRC_MDR (AT91_DDRSDRC + 0x1C) /* Memory Device Register */
82#define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */
83#define AT91_DDRSDRC_MD_SDR 0
84#define AT91_DDRSDRC_MD_LOW_POWER_SDR 1
85#define AT91_DDRSDRC_MD_DDR 2
86#define AT91_DDRSDRC_MD_LOW_POWER_DDR 3
87
88#define AT91_DDRSDRC_DLLR (AT91_DDRSDRC + 0x20) /* DLL Information Register */
89#define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */
90#define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */
91#define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */
92#define AT91_DDRSDRC_SDCOVF (1 << 3) /* Slave Delay Correction Overflow */
93#define AT91_DDRSDRC_SDCUDF (1 << 4) /* Slave Delay Correction Underflow */
94#define AT91_DDRSDRC_SDERF (1 << 5) /* Slave Delay Correction error */
95#define AT91_DDRSDRC_MDVAL (0xff << 8) /* Master Delay value */
96#define AT91_DDRSDRC_SDVAL (0xff << 16) /* Slave Delay value */
97#define AT91_DDRSDRC_SDCVAL (0xff << 24) /* Slave Delay Correction value */
98
99
100#endif