1 # SPDX-License-Identifier: GPL-2.0-or-later
3 # Init scripts to configure DDR controller of SPEAr3xx
4 # http://www.st.com/spear
5 # Original values taken from XLoader source code
8 # Author: Antonio Borneo <borneo.antonio@gmail.com>
11 proc sp3xx_ddr_init {ddr_type {ddr_chips 1}} {
12 if { $ddr_chips != 1 && $ddr_chips != 2 } {
13 error "Only 1 or 2 DDR chips permitted. Wrong value "$ddr_chips
16 if { $ddr_type == "mt47h64m16_3_333_cl5_async" } {
17 ddr_spr3xx_mt47h64m16_3_333_cl5_async $ddr_chips
18 set ddr_size 0x08000000
19 ## add here new DDR chip definition. Prototype:
20 #} elseif { $ddr_type == "?????" } {
22 # set ddr_size 0x?????
24 error "sp3xx_ddr_init: unrecognized DDR type "$ddr_type
28 mww 0xfc60001c 0x01000100
30 if { $ddr_chips == 2 } {
32 "Double chip DDR memory. Total memory size 0x%08x byte" \
33 [expr {2 * $ddr_size}]]
36 "Single chip DDR memory. Memory size 0x%08x byte" \
42 # from Xloader file ddr/spr300_mt47h64m16_3_333_cl5_async.S
43 proc ddr_spr3xx_mt47h64m16_3_333_cl5_async {ddr_chips} {
45 mww 0xfca800f0 0x00003aa5
47 # Use "1:2 sync" only when DDR clock source is PLL1 and
48 # HCLK is half of PLL1
49 mww 0xfc600000 0x00000001 ;# MEMCTL_AHB_SET_00 # This is async
50 mww 0xfc600004 0x00000000 ;# MEMCTL_AHB_SET_01
51 # mww 0xfc600000 0x02020201 ;# MEMCTL_AHB_SET_00 # This is 1:2 sync
52 # mww 0xfc600004 0x02020202 ;# MEMCTL_AHB_SET_01
54 mww 0xfc600008 0x01000000 ;# MEMCTL_RFSH_SET_00
55 mww 0xfc60000c 0x00000101 ;# MEMCTL_DLL_SET_00
56 mww 0xfc600010 0x00000101 ;# MEMCTL_GP_00
57 mww 0xfc600014 0x01000000 ;# MEMCTL_GP_01
58 mww 0xfc600018 0x00010001 ;# MEMCTL_GP_02
59 mww 0xfc60001c 0x00000100 ;# MEMCTL_GP_03
60 mww 0xfc600020 0x00010001 ;# MEMCTL_GP_04
61 if { $ddr_chips == 2 } {
62 mww 0xfc600024 0x01020203 ;# MEMCTL_GP_05
63 mww 0xfc600028 0x01000102 ;# MEMCTL_GP_06
64 mww 0xfc60002c 0x02000202 ;# MEMCTL_AHB_SET_02
66 mww 0xfc600024 0x00000201 ;# MEMCTL_GP_05
67 mww 0xfc600028 0x02000001 ;# MEMCTL_GP_06
68 mww 0xfc60002c 0x02000201 ;# MEMCTL_AHB_SET_02
70 mww 0xfc600030 0x04040105 ;# MEMCTL_AHB_SET_03
71 mww 0xfc600034 0x03030302 ;# MEMCTL_AHB_SET_04
72 mww 0xfc600038 0x02040101 ;# MEMCTL_AHB_SET_05
73 mww 0xfc60003c 0x00000002 ;# MEMCTL_AHB_SET_06
74 mww 0xfc600044 0x03000405 ;# MEMCTL_DQS_SET_0
75 mww 0xfc600048 0x03040002 ;# MEMCTL_TIME_SET_01
76 mww 0xfc60004c 0x04000305 ;# MEMCTL_TIME_SET_02
77 mww 0xfc600050 0x0505053f ;# MEMCTL_AHB_RELPR_00
78 mww 0xfc600054 0x05050505 ;# MEMCTL_AHB_RELPR_01
79 mww 0xfc600058 0x04040405 ;# MEMCTL_AHB_RELPR_02
80 mww 0xfc60005c 0x04040404 ;# MEMCTL_AHB_RELPR_03
81 mww 0xfc600060 0x03030304 ;# MEMCTL_AHB_RELPR_04
82 mww 0xfc600064 0x03030303 ;# MEMCTL_AHB_RELPR_05
83 mww 0xfc600068 0x02020203 ;# MEMCTL_AHB_RELPR_06
84 mww 0xfc60006c 0x02020202 ;# MEMCTL_AHB_RELPR_07
85 mww 0xfc600070 0x01010102 ;# MEMCTL_AHB_RELPR_08
86 mww 0xfc600074 0x01010101 ;# MEMCTL_AHB_RELPR_09
87 mww 0xfc600078 0x00000001 ;# MEMCTL_AHB_RELPR_10
88 mww 0xfc600088 0x0a0c0a00 ;# MEMCTL_DQS_SET_1
89 mww 0xfc60008c 0x0000023f ;# MEMCTL_GP_07
90 mww 0xfc600090 0x00050a00 ;# MEMCTL_GP_08
91 mww 0xfc600094 0x11000000 ;# MEMCTL_GP_09
92 mww 0xfc600098 0x00001302 ;# MEMCTL_GP_10
93 mww 0xfc60009c 0x00001c1c ;# MEMCTL_DLL_SET_01
94 mww 0xfc6000a0 0x7c000000 ;# MEMCTL_DQS_OUT_SHIFT
95 mww 0xfc6000a4 0x005c0000 ;# MEMCTL_WR_DQS_SHIFT
96 mww 0xfc6000a8 0x2b050e00 ;# MEMCTL_TIME_SET_03
97 mww 0xfc6000ac 0x00640064 ;# MEMCTL_AHB_PRRLX_00
98 mww 0xfc6000b0 0x00640064 ;# MEMCTL_AHB_PRRLX_01
99 mww 0xfc6000b4 0x00000064 ;# MEMCTL_AHB_PRRLX_02
100 mww 0xfc6000b8 0x00000000 ;# MEMCTL_OUTRANGE_LGTH
101 mww 0xfc6000bc 0x00200020 ;# MEMCTL_AHB_RW_SET_00
102 mww 0xfc6000c0 0x00200020 ;# MEMCTL_AHB_RW_SET_01
103 mww 0xfc6000c4 0x00200020 ;# MEMCTL_AHB_RW_SET_02
104 mww 0xfc6000c8 0x00200020 ;# MEMCTL_AHB_RW_SET_03
105 mww 0xfc6000cc 0x00200020 ;# MEMCTL_AHB_RW_SET_04
106 mww 0xfc6000d8 0x00000a24 ;# MEMCTL_TREF
107 mww 0xfc6000dc 0x00000000 ;# MEMCTL_EMRS3_DATA
108 mww 0xfc6000e0 0x5b1c00c8 ;# MEMCTL_TIME_SET_04
109 mww 0xfc6000e4 0x00c8002e ;# MEMCTL_TIME_SET_05
110 mww 0xfc6000e8 0x00000000 ;# MEMCTL_VERSION
111 mww 0xfc6000ec 0x0001046b ;# MEMCTL_TINIT
112 mww 0xfc6000f0 0x00000000 ;# MEMCTL_OUTRANGE_ADDR_01
113 mww 0xfc6000f4 0x00000000 ;# MEMCTL_OUTRANGE_ADDR_02
114 mww 0xfc600104 0x001c0000 ;# MEMCTL_DLL_DQS_DELAY_BYPASS_0
115 mww 0xfc600108 0x0019001c ;# MEMCTL_DLL_SET_02
116 mww 0xfc60010c 0x00100000 ;# MEMCTL_DLL_SET_03
117 mww 0xfc600110 0x001e007a ;# MEMCTL_DQS_SET_2
118 mww 0xfc600188 0x00000000 ;# MEMCTL_USER_DEF_REG_0
119 mww 0xfc60018c 0x00000000 ;# MEMCTL_USER_DEF_REG_1
120 mww 0xfc600190 0x01010001 ;# MEMCTL_GP_11
121 mww 0xfc600194 0x01000000 ;# MEMCTL_GP_12
122 mww 0xfc600198 0x00000001 ;# MEMCTL_GP_13
123 mww 0xfc60019c 0x00400000 ;# MEMCTL_GP_14
124 mww 0xfc6001a0 0x00000000 ;# MEMCTL_EMRS2_DATA_X
125 mww 0xfc6001a4 0x00000000 ;# MEMCTL_LWPWR_CNT
126 mww 0xfc6001a8 0x00000000 ;# MEMCTL_LWPWR_REG
127 mww 0xfc6001ac 0x00860000 ;# MEMCTL_GP_15
128 mww 0xfc6001b0 0x00000002 ;# MEMCTL_TPDEX