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Diffstat (limited to 'include/asm-arm/arch-at91/at91cap9_ddrsdr.h')
-rw-r--r-- | include/asm-arm/arch-at91/at91cap9_ddrsdr.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91/at91cap9_ddrsdr.h b/include/asm-arm/arch-at91/at91cap9_ddrsdr.h new file mode 100644 index 000000000000..efdb23af1ee4 --- /dev/null +++ b/include/asm-arm/arch-at91/at91cap9_ddrsdr.h | |||
@@ -0,0 +1,100 @@ | |||
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 | ||