1*35629363SAlbert ARIBAUD# 2*35629363SAlbert ARIBAUD# (C) Copyright 2009 3*35629363SAlbert ARIBAUD# Marvell Semiconductor <www.marvell.com> 4*35629363SAlbert ARIBAUD# Written-by: Prafulla Wadaskar <prafulla@marvell.com> 5*35629363SAlbert ARIBAUD# 6*35629363SAlbert ARIBAUD# SPDX-License-Identifier: GPL-2.0+ 7*35629363SAlbert ARIBAUD# 8*35629363SAlbert ARIBAUD# Refer doc/README.kwbimage for more details about how-to configure 9*35629363SAlbert ARIBAUD# and create kirkwood boot image 10*35629363SAlbert ARIBAUD# 11*35629363SAlbert ARIBAUD 12*35629363SAlbert ARIBAUD# Boot Media configurations 13*35629363SAlbert ARIBAUDBOOT_FROM nand 14*35629363SAlbert ARIBAUDNAND_ECC_MODE default 15*35629363SAlbert ARIBAUDNAND_PAGE_SIZE 0x0800 16*35629363SAlbert ARIBAUD 17*35629363SAlbert ARIBAUD# SOC registers configuration using bootrom header extension 18*35629363SAlbert ARIBAUD# Maximum KWBIMAGE_MAX_CONFIG configurations allowed 19*35629363SAlbert ARIBAUD 20*35629363SAlbert ARIBAUD# Configure RGMII-0 interface pad voltage to 1.8V 21*35629363SAlbert ARIBAUDDATA 0xFFD100e0 0x1b1b1b9b 22*35629363SAlbert ARIBAUD 23*35629363SAlbert ARIBAUD#Dram initalization for SINGLE x16 CL=5 @ 400MHz 24*35629363SAlbert ARIBAUDDATA 0xFFD01400 0x43000c30 # DDR Configuration register 25*35629363SAlbert ARIBAUD# bit13-0: 0xc30 (3120 DDR2 clks refresh rate) 26*35629363SAlbert ARIBAUD# bit23-14: zero 27*35629363SAlbert ARIBAUD# bit24: 1= enable exit self refresh mode on DDR access 28*35629363SAlbert ARIBAUD# bit25: 1 required 29*35629363SAlbert ARIBAUD# bit29-26: zero 30*35629363SAlbert ARIBAUD# bit31-30: 01 31*35629363SAlbert ARIBAUD 32*35629363SAlbert ARIBAUDDATA 0xFFD01404 0x37543000 # DDR Controller Control Low 33*35629363SAlbert ARIBAUD# bit 4: 0=addr/cmd in smame cycle 34*35629363SAlbert ARIBAUD# bit 5: 0=clk is driven during self refresh, we don't care for APX 35*35629363SAlbert ARIBAUD# bit 6: 0=use recommended falling edge of clk for addr/cmd 36*35629363SAlbert ARIBAUD# bit14: 0=input buffer always powered up 37*35629363SAlbert ARIBAUD# bit18: 1=cpu lock transaction enabled 38*35629363SAlbert ARIBAUD# bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0 39*35629363SAlbert ARIBAUD# bit27-24: 7= CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM 40*35629363SAlbert ARIBAUD# bit30-28: 3 required 41*35629363SAlbert ARIBAUD# bit31: 0=no additional STARTBURST delay 42*35629363SAlbert ARIBAUD 43*35629363SAlbert ARIBAUDDATA 0xFFD01408 0x22125451 # DDR Timing (Low) (active cycles value +1) 44*35629363SAlbert ARIBAUD# bit3-0: TRAS lsbs 45*35629363SAlbert ARIBAUD# bit7-4: TRCD 46*35629363SAlbert ARIBAUD# bit11- 8: TRP 47*35629363SAlbert ARIBAUD# bit15-12: TWR 48*35629363SAlbert ARIBAUD# bit19-16: TWTR 49*35629363SAlbert ARIBAUD# bit20: TRAS msb 50*35629363SAlbert ARIBAUD# bit23-21: 0x0 51*35629363SAlbert ARIBAUD# bit27-24: TRRD 52*35629363SAlbert ARIBAUD# bit31-28: TRTP 53*35629363SAlbert ARIBAUD 54*35629363SAlbert ARIBAUDDATA 0xFFD0140C 0x00000a33 # DDR Timing (High) 55*35629363SAlbert ARIBAUD# bit6-0: TRFC 56*35629363SAlbert ARIBAUD# bit8-7: TR2R 57*35629363SAlbert ARIBAUD# bit10-9: TR2W 58*35629363SAlbert ARIBAUD# bit12-11: TW2W 59*35629363SAlbert ARIBAUD# bit31-13: zero required 60*35629363SAlbert ARIBAUD 61*35629363SAlbert ARIBAUDDATA 0xFFD01410 0x000000cc # DDR Address Control 62*35629363SAlbert ARIBAUD# bit1-0: 00, Cs0width=x8 63*35629363SAlbert ARIBAUD# bit3-2: 11, Cs0size=1Gb 64*35629363SAlbert ARIBAUD# bit5-4: 00, Cs1width=x8 65*35629363SAlbert ARIBAUD# bit7-6: 11, Cs1size=1Gb 66*35629363SAlbert ARIBAUD# bit9-8: 00, Cs2width=nonexistent 67*35629363SAlbert ARIBAUD# bit11-10: 00, Cs2size =nonexistent 68*35629363SAlbert ARIBAUD# bit13-12: 00, Cs3width=nonexistent 69*35629363SAlbert ARIBAUD# bit15-14: 00, Cs3size =nonexistent 70*35629363SAlbert ARIBAUD# bit16: 0, Cs0AddrSel 71*35629363SAlbert ARIBAUD# bit17: 0, Cs1AddrSel 72*35629363SAlbert ARIBAUD# bit18: 0, Cs2AddrSel 73*35629363SAlbert ARIBAUD# bit19: 0, Cs3AddrSel 74*35629363SAlbert ARIBAUD# bit31-20: 0 required 75*35629363SAlbert ARIBAUD 76*35629363SAlbert ARIBAUDDATA 0xFFD01414 0x00000000 # DDR Open Pages Control 77*35629363SAlbert ARIBAUD# bit0: 0, OpenPage enabled 78*35629363SAlbert ARIBAUD# bit31-1: 0 required 79*35629363SAlbert ARIBAUD 80*35629363SAlbert ARIBAUDDATA 0xFFD01418 0x00000000 # DDR Operation 81*35629363SAlbert ARIBAUD# bit3-0: 0x0, DDR cmd 82*35629363SAlbert ARIBAUD# bit31-4: 0 required 83*35629363SAlbert ARIBAUD 84*35629363SAlbert ARIBAUDDATA 0xFFD0141C 0x00000C52 # DDR Mode 85*35629363SAlbert ARIBAUD# bit2-0: 2, BurstLen=2 required 86*35629363SAlbert ARIBAUD# bit3: 0, BurstType=0 required 87*35629363SAlbert ARIBAUD# bit6-4: 4, CL=5 88*35629363SAlbert ARIBAUD# bit7: 0, TestMode=0 normal 89*35629363SAlbert ARIBAUD# bit8: 0, DLL reset=0 normal 90*35629363SAlbert ARIBAUD# bit11-9: 6, auto-precharge write recovery ???????????? 91*35629363SAlbert ARIBAUD# bit12: 0, PD must be zero 92*35629363SAlbert ARIBAUD# bit31-13: 0 required 93*35629363SAlbert ARIBAUD 94*35629363SAlbert ARIBAUDDATA 0xFFD01420 0x00000042 # DDR Extended Mode 95*35629363SAlbert ARIBAUD# bit0: 0, DDR DLL enabled 96*35629363SAlbert ARIBAUD# bit1: 1, DDR drive strength reduced 97*35629363SAlbert ARIBAUD# bit2: 0, DDR ODT control lsd (disabled) 98*35629363SAlbert ARIBAUD# bit5-3: 000, required 99*35629363SAlbert ARIBAUD# bit6: 1, DDR ODT control msb, (disabled) 100*35629363SAlbert ARIBAUD# bit9-7: 000, required 101*35629363SAlbert ARIBAUD# bit10: 0, differential DQS enabled 102*35629363SAlbert ARIBAUD# bit11: 0, required 103*35629363SAlbert ARIBAUD# bit12: 0, DDR output buffer enabled 104*35629363SAlbert ARIBAUD# bit31-13: 0 required 105*35629363SAlbert ARIBAUD 106*35629363SAlbert ARIBAUDDATA 0xFFD01424 0x0000F17F # DDR Controller Control High 107*35629363SAlbert ARIBAUD# bit2-0: 111, required 108*35629363SAlbert ARIBAUD# bit3 : 1 , MBUS Burst Chop disabled 109*35629363SAlbert ARIBAUD# bit6-4: 111, required 110*35629363SAlbert ARIBAUD# bit7 : 0 111*35629363SAlbert ARIBAUD# bit8 : 1 , add writepath sample stage, must be 1 for DDR freq >= 300MHz 112*35629363SAlbert ARIBAUD# bit9 : 0 , no half clock cycle addition to dataout 113*35629363SAlbert ARIBAUD# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals 114*35629363SAlbert ARIBAUD# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh 115*35629363SAlbert ARIBAUD# bit15-12: 1111 required 116*35629363SAlbert ARIBAUD# bit31-16: 0 required 117*35629363SAlbert ARIBAUD 118*35629363SAlbert ARIBAUDDATA 0xFFD01428 0x00085520 # DDR2 ODT Read Timing (default values) 119*35629363SAlbert ARIBAUDDATA 0xFFD0147C 0x00008552 # DDR2 ODT Write Timing (default values) 120*35629363SAlbert ARIBAUD 121*35629363SAlbert ARIBAUDDATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 122*35629363SAlbert ARIBAUDDATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size 123*35629363SAlbert ARIBAUD# bit0: 1, Window enabled 124*35629363SAlbert ARIBAUD# bit1: 0, Write Protect disabled 125*35629363SAlbert ARIBAUD# bit3-2: 00, CS0 hit selected 126*35629363SAlbert ARIBAUD# bit23-4: ones, required 127*35629363SAlbert ARIBAUD# bit31-24: 0x0F, Size (i.e. 256MB) 128*35629363SAlbert ARIBAUD 129*35629363SAlbert ARIBAUDDATA 0xFFD01508 0x10000000 # CS[1]n Base address to 256Mb 130*35629363SAlbert ARIBAUDDATA 0xFFD0150C 0x0FFFFFF5 # CS[1]n Size 256Mb Window enabled for CS1 131*35629363SAlbert ARIBAUD 132*35629363SAlbert ARIBAUDDATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled 133*35629363SAlbert ARIBAUDDATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled 134*35629363SAlbert ARIBAUD 135*35629363SAlbert ARIBAUDDATA 0xFFD01494 0x00120012 # DDR ODT Control (Low) 136*35629363SAlbert ARIBAUD# bit3-0: 0010, (read) M_ODT[0] is asserted during read from DRAM CS1 137*35629363SAlbert ARIBAUD# bit7-4: 0001, (read) M_ODT[1] is asserted during read from DRAM CS0 138*35629363SAlbert ARIBAUD# bit19-16: 0010, (write) M_ODT[0] is asserted during write to DRAM CS1. 139*35629363SAlbert ARIBAUD# bit23-20: 0001, (write) M_ODT[1] is asserted during write to DRAM CS0. 140*35629363SAlbert ARIBAUDDATA 0xFFD01498 0x00000000 # DDR ODT Control (High) 141*35629363SAlbert ARIBAUD 142*35629363SAlbert ARIBAUDDATA 0xFFD0149C 0x0000E40f # CPU ODT Control 143*35629363SAlbert ARIBAUD# bit3-0: 1111, internal ODT is asserted during read from DRAM bank 0-3 144*35629363SAlbert ARIBAUD# bit11-10: 01, M_DQ, M_DM, and M_DQS I/O buffer ODT Select: 150 ohm 145*35629363SAlbert ARIBAUD# bit13-12: 10, M_STARTBURST_IN I/O buffer ODT Select: 75 ohm 146*35629363SAlbert ARIBAUD# bit14: 1, M_STARTBURST_IN ODT: Enabled 147*35629363SAlbert ARIBAUD# bit15: 1, DDR IO ODT Unit: Use ODT block 148*35629363SAlbert ARIBAUDDATA 0xFFD01480 0x00000001 # DDR Initialization Control 149*35629363SAlbert ARIBAUD#bit0=1, enable DDR init upon this register write 150*35629363SAlbert ARIBAUD 151*35629363SAlbert ARIBAUD# End of Header extension 152*35629363SAlbert ARIBAUDDATA 0x0 0x0 153