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# Init scripts to configure DDR controller of SPEAr3xx
# http://www.st.com/spear
# Original values taken from XLoader source code
#
# Date: 2010-09-23
# Author: Antonio Borneo <borneo.antonio@gmail.com>
proc sp3xx_ddr_init {ddr_type} {
if { $ddr_type == "mt47h64m16_3_333_cl5_async" } {
ddr_spr3xx_mt47h64m16_3_333_cl5_async
set ddr_size 0x08000000
## add here new DDR chip definition. Prototype:
#} elseif { $ddr_type == "?????" } {
# ?????
# set ddr_size 0x?????
} else {
error "sp3xx_ddr_init: unrecognized DDR type "$ddr_type
}
# Check for single/double memory chip
# DDR starts at address 0x00000000
mww $ddr_size 0x87654321
mww 0x00000000 0x12345678
if {[expr [mrw 0x00000000] == 0x12345678 && [mrw $ddr_size] == 0x87654321]} {
echo [format \
"Double chip DDR memory. Total memory size 0x%08x byte" \
[expr 2 * $ddr_size]]
} else {
echo [format \
"Single chip DDR memory. Memory size 0x%08x byte" \
$ddr_size]
}
}
# from Xloader file ddr/spr300_mt47h64m16_3_333_cl5_async.S
proc ddr_spr3xx_mt47h64m16_3_333_cl5_async {} {
# DDR_PAD_REG
mww 0xfca800f0 0x00003aa5
# Use "1:2 sync" only when DDR clock source is PLL1 and
# HCLK is half of PLL1
mww 0xfc600000 0x00000001 # MEMCTL_AHB_SET_00 # This is async
mww 0xfc600004 0x00000000 # MEMCTL_AHB_SET_01
# mww 0xfc600000 0x02020201 # MEMCTL_AHB_SET_00 # This is 1:2 sync
# mww 0xfc600004 0x02020202 # MEMCTL_AHB_SET_01
mww 0xfc600008 0x01000000 # MEMCTL_RFSH_SET_00
mww 0xfc60000c 0x00000101 # MEMCTL_DLL_SET_00
mww 0xfc600010 0x00000101 # MEMCTL_GP_00
mww 0xfc600014 0x01000000 # MEMCTL_GP_01
mww 0xfc600018 0x00010001 # MEMCTL_GP_02
mww 0xfc60001c 0x00000100 # MEMCTL_GP_03
mww 0xfc600020 0x00010001 # MEMCTL_GP_04
mww 0xfc600024 0x01020203 # MEMCTL_GP_05
mww 0xfc600028 0x01000102 # MEMCTL_GP_06
mww 0xfc60002c 0x02000202 # MEMCTL_AHB_SET_02
mww 0xfc600030 0x04040105 # MEMCTL_AHB_SET_03
mww 0xfc600034 0x03030302 # MEMCTL_AHB_SET_04
mww 0xfc600038 0x02040101 # MEMCTL_AHB_SET_05
mww 0xfc60003c 0x00000002 # MEMCTL_AHB_SET_06
mww 0xfc600044 0x03000405 # MEMCTL_DQS_SET_0
mww 0xfc600048 0x03040002 # MEMCTL_TIME_SET_01
mww 0xfc60004c 0x04000305 # MEMCTL_TIME_SET_02
mww 0xfc600050 0x0505053f # MEMCTL_AHB_RELPR_00
mww 0xfc600054 0x05050505 # MEMCTL_AHB_RELPR_01
mww 0xfc600058 0x04040405 # MEMCTL_AHB_RELPR_02
mww 0xfc60005c 0x04040404 # MEMCTL_AHB_RELPR_03
mww 0xfc600060 0x03030304 # MEMCTL_AHB_RELPR_04
mww 0xfc600064 0x03030303 # MEMCTL_AHB_RELPR_05
mww 0xfc600068 0x02020203 # MEMCTL_AHB_RELPR_06
mww 0xfc60006c 0x02020202 # MEMCTL_AHB_RELPR_07
mww 0xfc600070 0x01010102 # MEMCTL_AHB_RELPR_08
mww 0xfc600074 0x01010101 # MEMCTL_AHB_RELPR_09
mww 0xfc600078 0x00000001 # MEMCTL_AHB_RELPR_10
mww 0xfc600088 0x0a0c0a00 # MEMCTL_DQS_SET_1
mww 0xfc60008c 0x0000023f # MEMCTL_GP_07
mww 0xfc600090 0x00050a00 # MEMCTL_GP_08
mww 0xfc600094 0x11000000 # MEMCTL_GP_09
mww 0xfc600098 0x00001302 # MEMCTL_GP_10
mww 0xfc60009c 0x00001c1c # MEMCTL_DLL_SET_01
mww 0xfc6000a0 0x7c000000 # MEMCTL_DQS_OUT_SHIFT
mww 0xfc6000a4 0x005c0000 # MEMCTL_WR_DQS_SHIFT
mww 0xfc6000a8 0x2b050e00 # MEMCTL_TIME_SET_03
mww 0xfc6000ac 0x00640064 # MEMCTL_AHB_PRRLX_00
mww 0xfc6000b0 0x00640064 # MEMCTL_AHB_PRRLX_01
mww 0xfc6000b4 0x00000064 # MEMCTL_AHB_PRRLX_02
mww 0xfc6000b8 0x00000000 # MEMCTL_OUTRANGE_LGTH
mww 0xfc6000bc 0x00200020 # MEMCTL_AHB_RW_SET_00
mww 0xfc6000c0 0x00200020 # MEMCTL_AHB_RW_SET_01
mww 0xfc6000c4 0x00200020 # MEMCTL_AHB_RW_SET_02
mww 0xfc6000c8 0x00200020 # MEMCTL_AHB_RW_SET_03
mww 0xfc6000cc 0x00200020 # MEMCTL_AHB_RW_SET_04
mww 0xfc6000d8 0x00000a24 # MEMCTL_TREF
mww 0xfc6000dc 0x00000000 # MEMCTL_EMRS3_DATA
mww 0xfc6000e0 0x5b1c00c8 # MEMCTL_TIME_SET_04
mww 0xfc6000e4 0x00c8002e # MEMCTL_TIME_SET_05
mww 0xfc6000e8 0x00000000 # MEMCTL_VERSION
mww 0xfc6000ec 0x0001046b # MEMCTL_TINIT
mww 0xfc6000f0 0x00000000 # MEMCTL_OUTRANGE_ADDR_01
mww 0xfc6000f4 0x00000000 # MEMCTL_OUTRANGE_ADDR_02
mww 0xfc600104 0x001c0000 # MEMCTL_DLL_DQS_DELAY_BYPASS_0
mww 0xfc600108 0x0019001c # MEMCTL_DLL_SET_02
mww 0xfc60010c 0x00100000 # MEMCTL_DLL_SET_03
mww 0xfc600110 0x001e007a # MEMCTL_DQS_SET_2
mww 0xfc600188 0x00000000 # MEMCTL_USER_DEF_REG_0
mww 0xfc60018c 0x00000000 # MEMCTL_USER_DEF_REG_1
mww 0xfc600190 0x01010001 # MEMCTL_GP_11
mww 0xfc600194 0x01000000 # MEMCTL_GP_12
mww 0xfc600198 0x00000001 # MEMCTL_GP_13
mww 0xfc60019c 0x00400000 # MEMCTL_GP_14
mww 0xfc6001a0 0x00000000 # MEMCTL_EMRS2_DATA_X
mww 0xfc6001a4 0x00000000 # MEMCTL_LWPWR_CNT
mww 0xfc6001a8 0x00000000 # MEMCTL_LWPWR_REG
mww 0xfc6001ac 0x00860000 # MEMCTL_GP_15
mww 0xfc6001b0 0x00000002 # MEMCTL_TPDEX
# MPMC START
mww 0xfc60001c 0x01000100
}
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