diff options
Diffstat (limited to 'include/soc/at91')
-rw-r--r-- | include/soc/at91/at91rm9200_sdramc.h | 63 | ||||
-rw-r--r-- | include/soc/at91/at91sam9_ddrsdr.h | 124 | ||||
-rw-r--r-- | include/soc/at91/at91sam9_sdramc.h | 85 |
3 files changed, 272 insertions, 0 deletions
diff --git a/include/soc/at91/at91rm9200_sdramc.h b/include/soc/at91/at91rm9200_sdramc.h new file mode 100644 index 000000000000..aa047f458f1b --- /dev/null +++ b/include/soc/at91/at91rm9200_sdramc.h | |||
@@ -0,0 +1,63 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-at91/include/mach/at91rm9200_sdramc.h | ||
3 | * | ||
4 | * Copyright (C) 2005 Ivan Kokshaysky | ||
5 | * Copyright (C) SAN People | ||
6 | * | ||
7 | * Memory Controllers (SDRAMC only) - System peripherals registers. | ||
8 | * Based on AT91RM9200 datasheet revision E. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | */ | ||
15 | |||
16 | #ifndef AT91RM9200_SDRAMC_H | ||
17 | #define AT91RM9200_SDRAMC_H | ||
18 | |||
19 | /* SDRAM Controller registers */ | ||
20 | #define AT91RM9200_SDRAMC_MR 0x90 /* Mode Register */ | ||
21 | #define AT91RM9200_SDRAMC_MODE (0xf << 0) /* Command Mode */ | ||
22 | #define AT91RM9200_SDRAMC_MODE_NORMAL (0 << 0) | ||
23 | #define AT91RM9200_SDRAMC_MODE_NOP (1 << 0) | ||
24 | #define AT91RM9200_SDRAMC_MODE_PRECHARGE (2 << 0) | ||
25 | #define AT91RM9200_SDRAMC_MODE_LMR (3 << 0) | ||
26 | #define AT91RM9200_SDRAMC_MODE_REFRESH (4 << 0) | ||
27 | #define AT91RM9200_SDRAMC_DBW (1 << 4) /* Data Bus Width */ | ||
28 | #define AT91RM9200_SDRAMC_DBW_32 (0 << 4) | ||
29 | #define AT91RM9200_SDRAMC_DBW_16 (1 << 4) | ||
30 | |||
31 | #define AT91RM9200_SDRAMC_TR 0x94 /* Refresh Timer Register */ | ||
32 | #define AT91RM9200_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Count */ | ||
33 | |||
34 | #define AT91RM9200_SDRAMC_CR 0x98 /* Configuration Register */ | ||
35 | #define AT91RM9200_SDRAMC_NC (3 << 0) /* Number of Column Bits */ | ||
36 | #define AT91RM9200_SDRAMC_NC_8 (0 << 0) | ||
37 | #define AT91RM9200_SDRAMC_NC_9 (1 << 0) | ||
38 | #define AT91RM9200_SDRAMC_NC_10 (2 << 0) | ||
39 | #define AT91RM9200_SDRAMC_NC_11 (3 << 0) | ||
40 | #define AT91RM9200_SDRAMC_NR (3 << 2) /* Number of Row Bits */ | ||
41 | #define AT91RM9200_SDRAMC_NR_11 (0 << 2) | ||
42 | #define AT91RM9200_SDRAMC_NR_12 (1 << 2) | ||
43 | #define AT91RM9200_SDRAMC_NR_13 (2 << 2) | ||
44 | #define AT91RM9200_SDRAMC_NB (1 << 4) /* Number of Banks */ | ||
45 | #define AT91RM9200_SDRAMC_NB_2 (0 << 4) | ||
46 | #define AT91RM9200_SDRAMC_NB_4 (1 << 4) | ||
47 | #define AT91RM9200_SDRAMC_CAS (3 << 5) /* CAS Latency */ | ||
48 | #define AT91RM9200_SDRAMC_CAS_2 (2 << 5) | ||
49 | #define AT91RM9200_SDRAMC_TWR (0xf << 7) /* Write Recovery Delay */ | ||
50 | #define AT91RM9200_SDRAMC_TRC (0xf << 11) /* Row Cycle Delay */ | ||
51 | #define AT91RM9200_SDRAMC_TRP (0xf << 15) /* Row Precharge Delay */ | ||
52 | #define AT91RM9200_SDRAMC_TRCD (0xf << 19) /* Row to Column Delay */ | ||
53 | #define AT91RM9200_SDRAMC_TRAS (0xf << 23) /* Active to Precharge Delay */ | ||
54 | #define AT91RM9200_SDRAMC_TXSR (0xf << 27) /* Exit Self Refresh to Active Delay */ | ||
55 | |||
56 | #define AT91RM9200_SDRAMC_SRR 0x9c /* Self Refresh Register */ | ||
57 | #define AT91RM9200_SDRAMC_LPR 0xa0 /* Low Power Register */ | ||
58 | #define AT91RM9200_SDRAMC_IER 0xa4 /* Interrupt Enable Register */ | ||
59 | #define AT91RM9200_SDRAMC_IDR 0xa8 /* Interrupt Disable Register */ | ||
60 | #define AT91RM9200_SDRAMC_IMR 0xac /* Interrupt Mask Register */ | ||
61 | #define AT91RM9200_SDRAMC_ISR 0xb0 /* Interrupt Status Register */ | ||
62 | |||
63 | #endif | ||
diff --git a/include/soc/at91/at91sam9_ddrsdr.h b/include/soc/at91/at91sam9_ddrsdr.h new file mode 100644 index 000000000000..0210797abf2e --- /dev/null +++ b/include/soc/at91/at91sam9_ddrsdr.h | |||
@@ -0,0 +1,124 @@ | |||
1 | /* | ||
2 | * Header file for the Atmel DDR/SDR SDRAM Controller | ||
3 | * | ||
4 | * Copyright (C) 2010 Atmel Corporation | ||
5 | * Nicolas Ferre <nicolas.ferre@atmel.com> | ||
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 | #ifndef AT91SAM9_DDRSDR_H | ||
13 | #define AT91SAM9_DDRSDR_H | ||
14 | |||
15 | #define AT91_DDRSDRC_MR 0x00 /* Mode Register */ | ||
16 | #define AT91_DDRSDRC_MODE (0x7 << 0) /* Command Mode */ | ||
17 | #define AT91_DDRSDRC_MODE_NORMAL 0 | ||
18 | #define AT91_DDRSDRC_MODE_NOP 1 | ||
19 | #define AT91_DDRSDRC_MODE_PRECHARGE 2 | ||
20 | #define AT91_DDRSDRC_MODE_LMR 3 | ||
21 | #define AT91_DDRSDRC_MODE_REFRESH 4 | ||
22 | #define AT91_DDRSDRC_MODE_EXT_LMR 5 | ||
23 | #define AT91_DDRSDRC_MODE_DEEP 6 | ||
24 | |||
25 | #define AT91_DDRSDRC_RTR 0x04 /* Refresh Timer Register */ | ||
26 | #define AT91_DDRSDRC_COUNT (0xfff << 0) /* Refresh Timer Counter */ | ||
27 | |||
28 | #define AT91_DDRSDRC_CR 0x08 /* Configuration Register */ | ||
29 | #define AT91_DDRSDRC_NC (3 << 0) /* Number of Column Bits */ | ||
30 | #define AT91_DDRSDRC_NC_SDR8 (0 << 0) | ||
31 | #define AT91_DDRSDRC_NC_SDR9 (1 << 0) | ||
32 | #define AT91_DDRSDRC_NC_SDR10 (2 << 0) | ||
33 | #define AT91_DDRSDRC_NC_SDR11 (3 << 0) | ||
34 | #define AT91_DDRSDRC_NC_DDR9 (0 << 0) | ||
35 | #define AT91_DDRSDRC_NC_DDR10 (1 << 0) | ||
36 | #define AT91_DDRSDRC_NC_DDR11 (2 << 0) | ||
37 | #define AT91_DDRSDRC_NC_DDR12 (3 << 0) | ||
38 | #define AT91_DDRSDRC_NR (3 << 2) /* Number of Row Bits */ | ||
39 | #define AT91_DDRSDRC_NR_11 (0 << 2) | ||
40 | #define AT91_DDRSDRC_NR_12 (1 << 2) | ||
41 | #define AT91_DDRSDRC_NR_13 (2 << 2) | ||
42 | #define AT91_DDRSDRC_NR_14 (3 << 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_RST_DLL (1 << 7) /* Reset DLL */ | ||
48 | #define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */ | ||
49 | #define AT91_DDRSDRC_DIS_DLL (1 << 9) /* Disable DLL [SAM9 Only] */ | ||
50 | #define AT91_DDRSDRC_OCD (1 << 12) /* Off-Chip Driver [SAM9 Only] */ | ||
51 | #define AT91_DDRSDRC_DQMS (1 << 16) /* Mask Data is Shared [SAM9 Only] */ | ||
52 | #define AT91_DDRSDRC_ACTBST (1 << 18) /* Active Bank X to Burst Stop Read Access Bank Y [SAM9 Only] */ | ||
53 | |||
54 | #define AT91_DDRSDRC_T0PR 0x0C /* Timing 0 Register */ | ||
55 | #define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */ | ||
56 | #define AT91_DDRSDRC_TRCD (0xf << 4) /* Row to Column delay */ | ||
57 | #define AT91_DDRSDRC_TWR (0xf << 8) /* Write recovery delay */ | ||
58 | #define AT91_DDRSDRC_TRC (0xf << 12) /* Row cycle delay */ | ||
59 | #define AT91_DDRSDRC_TRP (0xf << 16) /* Row precharge delay */ | ||
60 | #define AT91_DDRSDRC_TRRD (0xf << 20) /* Active BankA to BankB */ | ||
61 | #define AT91_DDRSDRC_TWTR (0x7 << 24) /* Internal Write to Read delay */ | ||
62 | #define AT91_DDRSDRC_RED_WRRD (0x1 << 27) /* Reduce Write to Read Delay [SAM9 Only] */ | ||
63 | #define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */ | ||
64 | |||
65 | #define AT91_DDRSDRC_T1PR 0x10 /* Timing 1 Register */ | ||
66 | #define AT91_DDRSDRC_TRFC (0x1f << 0) /* Row Cycle Delay */ | ||
67 | #define AT91_DDRSDRC_TXSNR (0xff << 8) /* Exit self-refresh to non-read */ | ||
68 | #define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */ | ||
69 | #define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */ | ||
70 | |||
71 | #define AT91_DDRSDRC_T2PR 0x14 /* Timing 2 Register [SAM9 Only] */ | ||
72 | #define AT91_DDRSDRC_TXARD (0xf << 0) /* Exit active power down delay to read command in mode "Fast Exit" */ | ||
73 | #define AT91_DDRSDRC_TXARDS (0xf << 4) /* Exit active power down delay to read command in mode "Slow Exit" */ | ||
74 | #define AT91_DDRSDRC_TRPA (0xf << 8) /* Row Precharge All delay */ | ||
75 | #define AT91_DDRSDRC_TRTP (0x7 << 12) /* Read to Precharge delay */ | ||
76 | |||
77 | #define AT91_DDRSDRC_LPR 0x1C /* Low Power Register */ | ||
78 | #define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */ | ||
79 | #define AT91_DDRSDRC_LPCB_DISABLE 0 | ||
80 | #define AT91_DDRSDRC_LPCB_SELF_REFRESH 1 | ||
81 | #define AT91_DDRSDRC_LPCB_POWER_DOWN 2 | ||
82 | #define AT91_DDRSDRC_LPCB_DEEP_POWER_DOWN 3 | ||
83 | #define AT91_DDRSDRC_CLKFR (1 << 2) /* Clock Frozen */ | ||
84 | #define AT91_DDRSDRC_PASR (7 << 4) /* Partial Array Self Refresh */ | ||
85 | #define AT91_DDRSDRC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */ | ||
86 | #define AT91_DDRSDRC_DS (3 << 10) /* Drive Strength */ | ||
87 | #define AT91_DDRSDRC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */ | ||
88 | #define AT91_DDRSDRC_TIMEOUT_0_CLK_CYCLES (0 << 12) | ||
89 | #define AT91_DDRSDRC_TIMEOUT_64_CLK_CYCLES (1 << 12) | ||
90 | #define AT91_DDRSDRC_TIMEOUT_128_CLK_CYCLES (2 << 12) | ||
91 | #define AT91_DDRSDRC_APDE (1 << 16) /* Active power down exit time */ | ||
92 | #define AT91_DDRSDRC_UPD_MR (3 << 20) /* Update load mode register and extended mode register */ | ||
93 | |||
94 | #define AT91_DDRSDRC_MDR 0x20 /* Memory Device Register */ | ||
95 | #define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */ | ||
96 | #define AT91_DDRSDRC_MD_SDR 0 | ||
97 | #define AT91_DDRSDRC_MD_LOW_POWER_SDR 1 | ||
98 | #define AT91_DDRSDRC_MD_LOW_POWER_DDR 3 | ||
99 | #define AT91_DDRSDRC_MD_DDR2 6 /* [SAM9 Only] */ | ||
100 | #define AT91_DDRSDRC_DBW (1 << 4) /* Data Bus Width */ | ||
101 | #define AT91_DDRSDRC_DBW_32BITS (0 << 4) | ||
102 | #define AT91_DDRSDRC_DBW_16BITS (1 << 4) | ||
103 | |||
104 | #define AT91_DDRSDRC_DLL 0x24 /* DLL Information Register */ | ||
105 | #define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */ | ||
106 | #define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */ | ||
107 | #define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */ | ||
108 | #define AT91_DDRSDRC_MDVAL (0xff << 8) /* Master Delay value */ | ||
109 | |||
110 | #define AT91_DDRSDRC_HS 0x2C /* High Speed Register [SAM9 Only] */ | ||
111 | #define AT91_DDRSDRC_DIS_ATCP_RD (1 << 2) /* Anticip read access is disabled */ | ||
112 | |||
113 | #define AT91_DDRSDRC_DELAY(n) (0x30 + (0x4 * (n))) /* Delay I/O Register n */ | ||
114 | |||
115 | #define AT91_DDRSDRC_WPMR 0xE4 /* Write Protect Mode Register [SAM9 Only] */ | ||
116 | #define AT91_DDRSDRC_WP (1 << 0) /* Write protect enable */ | ||
117 | #define AT91_DDRSDRC_WPKEY (0xffffff << 8) /* Write protect key */ | ||
118 | #define AT91_DDRSDRC_KEY (0x444452 << 8) /* Write protect key = "DDR" */ | ||
119 | |||
120 | #define AT91_DDRSDRC_WPSR 0xE8 /* Write Protect Status Register [SAM9 Only] */ | ||
121 | #define AT91_DDRSDRC_WPVS (1 << 0) /* Write protect violation status */ | ||
122 | #define AT91_DDRSDRC_WPVSRC (0xffff << 8) /* Write protect violation source */ | ||
123 | |||
124 | #endif | ||
diff --git a/include/soc/at91/at91sam9_sdramc.h b/include/soc/at91/at91sam9_sdramc.h new file mode 100644 index 000000000000..3d085a9a7450 --- /dev/null +++ b/include/soc/at91/at91sam9_sdramc.h | |||
@@ -0,0 +1,85 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-at91/include/mach/at91sam9_sdramc.h | ||
3 | * | ||
4 | * Copyright (C) 2007 Andrew Victor | ||
5 | * Copyright (C) 2007 Atmel Corporation. | ||
6 | * | ||
7 | * SDRAM Controllers (SDRAMC) - System peripherals registers. | ||
8 | * Based on AT91SAM9261 datasheet revision D. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | */ | ||
15 | |||
16 | #ifndef AT91SAM9_SDRAMC_H | ||
17 | #define AT91SAM9_SDRAMC_H | ||
18 | |||
19 | /* SDRAM Controller (SDRAMC) registers */ | ||
20 | #define AT91_SDRAMC_MR 0x00 /* SDRAM Controller Mode Register */ | ||
21 | #define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */ | ||
22 | #define AT91_SDRAMC_MODE_NORMAL 0 | ||
23 | #define AT91_SDRAMC_MODE_NOP 1 | ||
24 | #define AT91_SDRAMC_MODE_PRECHARGE 2 | ||
25 | #define AT91_SDRAMC_MODE_LMR 3 | ||
26 | #define AT91_SDRAMC_MODE_REFRESH 4 | ||
27 | #define AT91_SDRAMC_MODE_EXT_LMR 5 | ||
28 | #define AT91_SDRAMC_MODE_DEEP 6 | ||
29 | |||
30 | #define AT91_SDRAMC_TR 0x04 /* SDRAM Controller Refresh Timer Register */ | ||
31 | #define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Counter */ | ||
32 | |||
33 | #define AT91_SDRAMC_CR 0x08 /* SDRAM Controller Configuration Register */ | ||
34 | #define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */ | ||
35 | #define AT91_SDRAMC_NC_8 (0 << 0) | ||
36 | #define AT91_SDRAMC_NC_9 (1 << 0) | ||
37 | #define AT91_SDRAMC_NC_10 (2 << 0) | ||
38 | #define AT91_SDRAMC_NC_11 (3 << 0) | ||
39 | #define AT91_SDRAMC_NR (3 << 2) /* Number of Row Bits */ | ||
40 | #define AT91_SDRAMC_NR_11 (0 << 2) | ||
41 | #define AT91_SDRAMC_NR_12 (1 << 2) | ||
42 | #define AT91_SDRAMC_NR_13 (2 << 2) | ||
43 | #define AT91_SDRAMC_NB (1 << 4) /* Number of Banks */ | ||
44 | #define AT91_SDRAMC_NB_2 (0 << 4) | ||
45 | #define AT91_SDRAMC_NB_4 (1 << 4) | ||
46 | #define AT91_SDRAMC_CAS (3 << 5) /* CAS Latency */ | ||
47 | #define AT91_SDRAMC_CAS_1 (1 << 5) | ||
48 | #define AT91_SDRAMC_CAS_2 (2 << 5) | ||
49 | #define AT91_SDRAMC_CAS_3 (3 << 5) | ||
50 | #define AT91_SDRAMC_DBW (1 << 7) /* Data Bus Width */ | ||
51 | #define AT91_SDRAMC_DBW_32 (0 << 7) | ||
52 | #define AT91_SDRAMC_DBW_16 (1 << 7) | ||
53 | #define AT91_SDRAMC_TWR (0xf << 8) /* Write Recovery Delay */ | ||
54 | #define AT91_SDRAMC_TRC (0xf << 12) /* Row Cycle Delay */ | ||
55 | #define AT91_SDRAMC_TRP (0xf << 16) /* Row Precharge Delay */ | ||
56 | #define AT91_SDRAMC_TRCD (0xf << 20) /* Row to Column Delay */ | ||
57 | #define AT91_SDRAMC_TRAS (0xf << 24) /* Active to Precharge Delay */ | ||
58 | #define AT91_SDRAMC_TXSR (0xf << 28) /* Exit Self Refresh to Active Delay */ | ||
59 | |||
60 | #define AT91_SDRAMC_LPR 0x10 /* SDRAM Controller Low Power Register */ | ||
61 | #define AT91_SDRAMC_LPCB (3 << 0) /* Low-power Configurations */ | ||
62 | #define AT91_SDRAMC_LPCB_DISABLE 0 | ||
63 | #define AT91_SDRAMC_LPCB_SELF_REFRESH 1 | ||
64 | #define AT91_SDRAMC_LPCB_POWER_DOWN 2 | ||
65 | #define AT91_SDRAMC_LPCB_DEEP_POWER_DOWN 3 | ||
66 | #define AT91_SDRAMC_PASR (7 << 4) /* Partial Array Self Refresh */ | ||
67 | #define AT91_SDRAMC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */ | ||
68 | #define AT91_SDRAMC_DS (3 << 10) /* Drive Strength */ | ||
69 | #define AT91_SDRAMC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */ | ||
70 | #define AT91_SDRAMC_TIMEOUT_0_CLK_CYCLES (0 << 12) | ||
71 | #define AT91_SDRAMC_TIMEOUT_64_CLK_CYCLES (1 << 12) | ||
72 | #define AT91_SDRAMC_TIMEOUT_128_CLK_CYCLES (2 << 12) | ||
73 | |||
74 | #define AT91_SDRAMC_IER 0x14 /* SDRAM Controller Interrupt Enable Register */ | ||
75 | #define AT91_SDRAMC_IDR 0x18 /* SDRAM Controller Interrupt Disable Register */ | ||
76 | #define AT91_SDRAMC_IMR 0x1C /* SDRAM Controller Interrupt Mask Register */ | ||
77 | #define AT91_SDRAMC_ISR 0x20 /* SDRAM Controller Interrupt Status Register */ | ||
78 | #define AT91_SDRAMC_RES (1 << 0) /* Refresh Error Status */ | ||
79 | |||
80 | #define AT91_SDRAMC_MDR 0x24 /* SDRAM Memory Device Register */ | ||
81 | #define AT91_SDRAMC_MD (3 << 0) /* Memory Device Type */ | ||
82 | #define AT91_SDRAMC_MD_SDRAM 0 | ||
83 | #define AT91_SDRAMC_MD_LOW_POWER_SDRAM 1 | ||
84 | |||
85 | #endif | ||