tcl/chip/st/spear/spear3xx_ddr.tcl

   1 # Init scripts to configure DDR controller of SPEAr3xx
   2 # http://www.st.com/spear
   3 # Original values taken from XLoader source code
   4 #
   5 # Date:      2010-09-23
   6 # Author:    Antonio Borneo <borneo.antonio@gmail.com>
   7
   8
   9 proc sp3xx_ddr_init {ddr_type} {
  10         if { $ddr_type == "mt47h64m16_3_333_cl5_async" } {
  11                 ddr_spr3xx_mt47h64m16_3_333_cl5_async
  12                 set ddr_size 0x08000000
  13         ## add here new DDR chip definition. Prototype:
  14         #} elseif { $ddr_type == "?????" } {
  15         #       ?????
  16         #       set ddr_size 0x?????
  17         } else {
  18                 error "sp3xx_ddr_init: unrecognized DDR type "$ddr_type
  19         }
  20
  21         # Check for single/double memory chip
  22         # DDR starts at address 0x00000000
  23         mww $ddr_size 0x87654321
  24         mww 0x00000000 0x12345678
  25         if {[expr [mrw 0x00000000] == 0x12345678 && [mrw $ddr_size] == 0x87654321]} {
  26                 puts [format \
  27                         "Double chip DDR memory. Total memory size 0x%08x byte" \
  28                         [expr 2 * $ddr_size]]
  29         } else {
  30                 puts [format \
  31                         "Single chip DDR memory. Memory size 0x%08x byte" \
  32                         $ddr_size]
  33         }
  34 }
  35
  36
  37 # from Xloader file ddr/spr300_mt47h64m16_3_333_cl5_async.S
  38 proc ddr_spr3xx_mt47h64m16_3_333_cl5_async {} {
  39         # DDR_PAD_REG
  40         mww 0xfca800f0 0x00003aa5
  41
  42         # Use "1:2 sync" only when DDR clock source is PLL1 and
  43         # HCLK is half of PLL1
  44         mww 0xfc600000 0x00000001       # MEMCTL_AHB_SET_00 # This is async
  45         mww 0xfc600004 0x00000000       # MEMCTL_AHB_SET_01
  46 #       mww 0xfc600000 0x02020201       # MEMCTL_AHB_SET_00 # This is 1:2 sync
  47 #       mww 0xfc600004 0x02020202       # MEMCTL_AHB_SET_01
  48
  49         mww 0xfc600008 0x01000000       # MEMCTL_RFSH_SET_00
  50         mww 0xfc60000c 0x00000101       # MEMCTL_DLL_SET_00
  51         mww 0xfc600010 0x00000101       # MEMCTL_GP_00
  52         mww 0xfc600014 0x01000000       # MEMCTL_GP_01
  53         mww 0xfc600018 0x00010001       # MEMCTL_GP_02
  54         mww 0xfc60001c 0x00000100       # MEMCTL_GP_03
  55         mww 0xfc600020 0x00010001       # MEMCTL_GP_04
  56         mww 0xfc600024 0x01020203       # MEMCTL_GP_05
  57         mww 0xfc600028 0x01000102       # MEMCTL_GP_06
  58         mww 0xfc60002c 0x02000202       # MEMCTL_AHB_SET_02
  59         mww 0xfc600030 0x04040105       # MEMCTL_AHB_SET_03
  60         mww 0xfc600034 0x03030302       # MEMCTL_AHB_SET_04
  61         mww 0xfc600038 0x02040101       # MEMCTL_AHB_SET_05
  62         mww 0xfc60003c 0x00000002       # MEMCTL_AHB_SET_06
  63         mww 0xfc600044 0x03000405       # MEMCTL_DQS_SET_0
  64         mww 0xfc600048 0x03040002       # MEMCTL_TIME_SET_01
  65         mww 0xfc60004c 0x04000305       # MEMCTL_TIME_SET_02
  66         mww 0xfc600050 0x0505053f       # MEMCTL_AHB_RELPR_00
  67         mww 0xfc600054 0x05050505       # MEMCTL_AHB_RELPR_01
  68         mww 0xfc600058 0x04040405       # MEMCTL_AHB_RELPR_02
  69         mww 0xfc60005c 0x04040404       # MEMCTL_AHB_RELPR_03
  70         mww 0xfc600060 0x03030304       # MEMCTL_AHB_RELPR_04
  71         mww 0xfc600064 0x03030303       # MEMCTL_AHB_RELPR_05
  72         mww 0xfc600068 0x02020203       # MEMCTL_AHB_RELPR_06
  73         mww 0xfc60006c 0x02020202       # MEMCTL_AHB_RELPR_07
  74         mww 0xfc600070 0x01010102       # MEMCTL_AHB_RELPR_08
  75         mww 0xfc600074 0x01010101       # MEMCTL_AHB_RELPR_09
  76         mww 0xfc600078 0x00000001       # MEMCTL_AHB_RELPR_10
  77         mww 0xfc600088 0x0a0c0a00       # MEMCTL_DQS_SET_1
  78         mww 0xfc60008c 0x0000023f       # MEMCTL_GP_07
  79         mww 0xfc600090 0x00050a00       # MEMCTL_GP_08
  80         mww 0xfc600094 0x11000000       # MEMCTL_GP_09
  81         mww 0xfc600098 0x00001302       # MEMCTL_GP_10
  82         mww 0xfc60009c 0x00001c1c       # MEMCTL_DLL_SET_01
  83         mww 0xfc6000a0 0x7c000000       # MEMCTL_DQS_OUT_SHIFT
  84         mww 0xfc6000a4 0x005c0000       # MEMCTL_WR_DQS_SHIFT
  85         mww 0xfc6000a8 0x2b050e00       # MEMCTL_TIME_SET_03
  86         mww 0xfc6000ac 0x00640064       # MEMCTL_AHB_PRRLX_00
  87         mww 0xfc6000b0 0x00640064       # MEMCTL_AHB_PRRLX_01
  88         mww 0xfc6000b4 0x00000064       # MEMCTL_AHB_PRRLX_02
  89         mww 0xfc6000b8 0x00000000       # MEMCTL_OUTRANGE_LGTH
  90         mww 0xfc6000bc 0x00200020       # MEMCTL_AHB_RW_SET_00
  91         mww 0xfc6000c0 0x00200020       # MEMCTL_AHB_RW_SET_01
  92         mww 0xfc6000c4 0x00200020       # MEMCTL_AHB_RW_SET_02
  93         mww 0xfc6000c8 0x00200020       # MEMCTL_AHB_RW_SET_03
  94         mww 0xfc6000cc 0x00200020       # MEMCTL_AHB_RW_SET_04
  95         mww 0xfc6000d8 0x00000a24       # MEMCTL_TREF
  96         mww 0xfc6000dc 0x00000000       # MEMCTL_EMRS3_DATA
  97         mww 0xfc6000e0 0x5b1c00c8       # MEMCTL_TIME_SET_04
  98         mww 0xfc6000e4 0x00c8002e       # MEMCTL_TIME_SET_05
  99         mww 0xfc6000e8 0x00000000       # MEMCTL_VERSION
 100         mww 0xfc6000ec 0x0001046b       # MEMCTL_TINIT
 101         mww 0xfc6000f0 0x00000000       # MEMCTL_OUTRANGE_ADDR_01
 102         mww 0xfc6000f4 0x00000000       # MEMCTL_OUTRANGE_ADDR_02
 103         mww 0xfc600104 0x001c0000       # MEMCTL_DLL_DQS_DELAY_BYPASS_0
 104         mww 0xfc600108 0x0019001c       # MEMCTL_DLL_SET_02
 105         mww 0xfc60010c 0x00100000       # MEMCTL_DLL_SET_03
 106         mww 0xfc600110 0x001e007a       # MEMCTL_DQS_SET_2
 107         mww 0xfc600188 0x00000000       # MEMCTL_USER_DEF_REG_0
 108         mww 0xfc60018c 0x00000000       # MEMCTL_USER_DEF_REG_1
 109         mww 0xfc600190 0x01010001       # MEMCTL_GP_11
 110         mww 0xfc600194 0x01000000       # MEMCTL_GP_12
 111         mww 0xfc600198 0x00000001       # MEMCTL_GP_13
 112         mww 0xfc60019c 0x00400000       # MEMCTL_GP_14
 113         mww 0xfc6001a0 0x00000000       # MEMCTL_EMRS2_DATA_X
 114         mww 0xfc6001a4 0x00000000       # MEMCTL_LWPWR_CNT
 115         mww 0xfc6001a8 0x00000000       # MEMCTL_LWPWR_REG
 116         mww 0xfc6001ac 0x00860000       # MEMCTL_GP_15
 117         mww 0xfc6001b0 0x00000002       # MEMCTL_TPDEX
 118         # MPMC START
 119         mww 0xfc60001c 0x01000100
 120 }