mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 15:14:43 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
155 lines
5.1 KiB
INI
155 lines
5.1 KiB
INI
#
|
|
# Copyright (C) 2011-2012
|
|
# Gerald Kerma <dreagle@doukki.net>
|
|
# Simon Baatz <gmbnomis@gmail.com>
|
|
# Luka Perkov <luka@openwrt.org>
|
|
#
|
|
# SPDX-License-Identifier: GPL-2.0+
|
|
#
|
|
# Refer doc/README.kwbimage for more details about how-to configure
|
|
# and create kirkwood boot image
|
|
#
|
|
|
|
# Boot Media configurations
|
|
BOOT_FROM nand # change from nand to uart if building UART image
|
|
NAND_ECC_MODE default
|
|
NAND_PAGE_SIZE 0x0800
|
|
|
|
# SOC registers configuration using bootrom header extension
|
|
# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
|
|
|
|
# Configure RGMII-0 interface pad voltage to 1.8V
|
|
DATA 0xffd100e0 0x1b1b1b9b
|
|
|
|
#Dram initalization for SINGLE x16 CL=5 @ 400MHz
|
|
DATA 0xffd01400 0x43000c30 # DDR Configuration register
|
|
# bit13-0: 0xc30, (3120 DDR2 clks refresh rate)
|
|
# bit23-14: 0x0,
|
|
# bit24: 0x1, enable exit self refresh mode on DDR access
|
|
# bit25: 0x1, required
|
|
# bit29-26: 0x0,
|
|
# bit31-30: 0x1,
|
|
|
|
DATA 0xffd01404 0x37543000 # DDR Controller Control Low
|
|
# bit4: 0x0, addr/cmd in smame cycle
|
|
# bit5: 0x0, clk is driven during self refresh, we don't care for APX
|
|
# bit6: 0x0, use recommended falling edge of clk for addr/cmd
|
|
# bit14: 0x0, input buffer always powered up
|
|
# bit18: 0x1, cpu lock transaction enabled
|
|
# bit23-20: 0x5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
|
|
# bit27-24: 0x7, CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
|
|
# bit30-28: 0x3, required
|
|
# bit31: 0x0, no additional STARTBURST delay
|
|
|
|
DATA 0xffd01408 0x22125451 # DDR Timing (Low) (active cycles value +1)
|
|
# bit3-0: TRAS lsbs
|
|
# bit7-4: TRCD
|
|
# bit11-8: TRP
|
|
# bit15-12: TWR
|
|
# bit19-16: TWTR
|
|
# bit20: TRAS msb
|
|
# bit23-21: 0x0
|
|
# bit27-24: TRRD
|
|
# bit31-28: TRTP
|
|
|
|
DATA 0xffd0140c 0x00000a33 # DDR Timing (High)
|
|
# bit6-0: TRFC
|
|
# bit8-7: TR2R
|
|
# bit10-9: TR2W
|
|
# bit12-11: TW2W
|
|
# bit31-13: 0x0, required
|
|
|
|
DATA 0xffd01410 0x0000000c # DDR Address Control
|
|
# bit1-0: 00, Cs0width (x8)
|
|
# bit3-2: 11, Cs0size (1Gb)
|
|
# bit5-4: 00, Cs1width (x8)
|
|
# bit7-6: 11, Cs1size (1Gb)
|
|
# bit9-8: 00, Cs2width (nonexistent
|
|
# bit11-10: 00, Cs2size (nonexistent
|
|
# bit13-12: 00, Cs3width (nonexistent
|
|
# bit15-14: 00, Cs3size (nonexistent
|
|
# bit16: 0, Cs0AddrSel
|
|
# bit17: 0, Cs1AddrSel
|
|
# bit18: 0, Cs2AddrSel
|
|
# bit19: 0, Cs3AddrSel
|
|
# bit31-20: 0x0, required
|
|
|
|
DATA 0xffd01414 0x00000000 # DDR Open Pages Control
|
|
# bit0: 0, OpenPage enabled
|
|
# bit31-1: 0x0, required
|
|
|
|
DATA 0xffd01418 0x00000000 # DDR Operation
|
|
# bit3-0: 0x0, DDR cmd
|
|
# bit31-4: 0x0, required
|
|
|
|
DATA 0xffd0141c 0x00000c52 # DDR Mode
|
|
# bit2-0: 0x2, BurstLen=2 required
|
|
# bit3: 0x0, BurstType=0 required
|
|
# bit6-4: 0x4, CL=5
|
|
# bit7: 0x0, TestMode=0 normal
|
|
# bit8: 0x0, DLL reset=0 normal
|
|
# bit11-9: 0x6, auto-precharge write recovery ????????????
|
|
# bit12: 0x0, PD must be zero
|
|
# bit31-13: 0x0, required
|
|
|
|
DATA 0xffd01420 0x00000040 # DDR Extended Mode
|
|
# bit0: 0, DDR DLL enabled
|
|
# bit1: 0, DDR drive strenght normal
|
|
# bit2: 1, DDR ODT control lsd (disabled)
|
|
# bit5-3: 0x0, required
|
|
# bit6: 0, DDR ODT control msb, (disabled)
|
|
# bit9-7: 0x0, required
|
|
# bit10: 0, differential DQS enabled
|
|
# bit11: 0, required
|
|
# bit12: 0, DDR output buffer enabled
|
|
# bit31-13: 0x0, required
|
|
|
|
DATA 0xffd01424 0x0000f17f # DDR Controller Control High
|
|
# bit2-0: 0x7, required
|
|
# bit3: 0x1, MBUS Burst Chop disabled
|
|
# bit6-4: 0x7, required
|
|
# bit7: 0x0,
|
|
# bit8: 0x1, add writepath sample stage, must be 1 for DDR freq >= 300MHz
|
|
# bit9: 0x0, no half clock cycle addition to dataout
|
|
# bit10: 0x0, 1/4 clock cycle skew enabled for addr/ctl signals
|
|
# bit11: 0x0, 1/4 clock cycle skew disabled for write mesh
|
|
# bit15-12: 0xf, required
|
|
# bit31-16: 0, required
|
|
|
|
DATA 0xffd01428 0x00085520 # DDR2 ODT Read Timing (default values)
|
|
DATA 0xffd0147c 0x00008552 # DDR2 ODT Write Timing (default values)
|
|
|
|
DATA 0xffd01500 0x00000000 # CS[0]n Base address to 0x0
|
|
DATA 0xffd01504 0x0ffffff1 # CS[0]n Size
|
|
# bit0: 0x1, Window enabled
|
|
# bit1: 0x0, Write Protect disabled
|
|
# bit3-2: 0x0, CS0 hit selected
|
|
# bit23-4: 0xfffff, required
|
|
# bit31-24: 0x0f, Size (i.e. 256MB)
|
|
|
|
DATA 0xffd01508 0x10000000 # CS[1]n Base address to 256Mb
|
|
DATA 0xffd0150c 0x00000000 # CS[1]n Size, window disabled
|
|
|
|
DATA 0xffd01514 0x00000000 # CS[2]n Size, window disabled
|
|
DATA 0xffd0151c 0x00000000 # CS[3]n Size, window disabled
|
|
|
|
DATA 0xffd01494 0x00030000 # DDR ODT Control (Low)
|
|
# bit3-0: ODT0Rd, MODT[0] asserted during read from DRAM CS1
|
|
# bit7-4: ODT0Rd, MODT[0] asserted during read from DRAM CS0
|
|
# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1
|
|
# bit23-20:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
|
|
|
|
DATA 0xffd01498 0x00000000 # DDR ODT Control (High)
|
|
# bit1-0: 0x0, ODT0 controlled by ODT Control (low) register above
|
|
# bit3-2: 0x1, ODT1 active NEVER!
|
|
# bit31-4: 0x0, required
|
|
|
|
DATA 0xffd0149c 0x0000e803 # CPU ODT Control
|
|
DATA 0xffd01480 0x00000001 # DDR Initialization Control
|
|
# bit0: 0x1, enable DDR init upon this register write
|
|
|
|
DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register
|
|
DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
|
|
|
|
# End of Header extension
|
|
DATA 0x0 0x0
|