#
# (C) Copyright 2009
# Stefano Babic DENX Software Engineering sbabic@denx.de.
#
# (C) Copyright 2010
# Klaus Steinhammer TTECH Control Gmbh kst@tttech.com
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not write to the Free Software
# Foundation Inc. 51 Franklin Street Fifth Floor Boston,
# MA 02110-1301 USA
#
# Refer docs/README.imxmage for more details about how-to configure
# and create imximage boot image
#
# The syntax is taken as close as possible with the kwbimage

# Boot Device : one of
# spi, nand, onenand, sd

BOOT_FROM	spi

# Device Configuration Data (DCD)
#
# Each entry must have the format:
# Addr-type           Address        Value
#
# where:
#	Addr-type register length (1,2 or 4 bytes)
#	Address	  absolute address of the register
#	value	  value to be stored in the register

#######################
### Disable WDOG ###
#######################
DATA 2 0x73f98000 0x30

#######################
### SET DDR Clk     ###
#######################

# CCM: CBMCR - ddr_clk_sel: axi_b (133MHz)
DATA 4 0x73FD4018 0x000024C0

# DOUBLE SPI CLK (13MHz->26 MHz Clock)
DATA 4 0x73FD4038 0x2010241

#IOMUXC_SW_PAD_CTL_PAD_CSPI1_MOSI HYS_ENABLE | DRV_MAX | SRE_FAST
DATA 4 0x73fa8600 0x00000107
#IOMUXC_SW_PAD_CTL_PAD_CSPI1_MISO HYS_ENABLE | DRV_MAX | SRE_FAST
DATA 4 0x73fa8604 0x00000107
#IOMUXC_SW_PAD_CTL_PAD_CSPI1_SS0 HYS_ENABLE | PKE_ENABLE | DRV_MAX | SRE_FAST
DATA 4 0x73fa8608 0x00000187
#IOMUXC_SW_PAD_CTL_PAD_CSPI1_SS1 HYS_ENABLE | PKE_ENABLE | DRV_MAX | SRE_FAST
DATA 4 0x73fa860c 0x00000187
#IOMUXC_SW_PAD_CTL_PAD_CSPI1_SCLK HYS_ENABLE | DRV_MAX | SRE_FAST
DATA 4 0x73fa8614 0x00000107
#IOMUXC_SW_PAD_CTL_PAD_DI1_PIN11 HYS_ENABLE | DRV_MAX | SRE_FAST (CSPI1_SS2)
DATA 4 0x73fa86a8 0x00000187

#######################
### Settings IOMUXC ###
#######################

# DDR IOMUX configuration
# Control, Data, Address pads are in their default state: HIGH DS, FAST SR.
# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK MAX DS
DATA 4 0x73fa84b8 0x000000e7
# PVTC MAX (at GPC, PGR reg)
#DATA 4 0x73FD8004 0x1fc00000

#DQM0 DS high slew rate slow
DATA 4 0x73fa84d4 0x000000e4
#DQM1 DS high slew rate slow
DATA 4 0x73fa84d8 0x000000e4
#DQM2 DS high slew rate slow
DATA 4 0x73fa84dc 0x000000e4
#DQM3 DS high slew rate slow
DATA 4 0x73fa84e0 0x000000e4

#IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0 DS high & SLEW slow
DATA 4 0x73fa84bc 0x000000c4
#IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1 DS high & SLEW slow
DATA 4 0x73fa84c0 0x000000c4
#IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS2 DS high & SLEW slow
DATA 4 0x73fa84c4 0x000000c4
#IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS3 DS high & SLEW slow
DATA 4 0x73fa84c8 0x000000c4

#DRAM_DATA B0
DATA 4 0x73fa88a4 0x00000004
#DRAM_DATA B1
DATA 4 0x73fa88ac 0x00000004
#DRAM_DATA B2
DATA 4 0x73fa88b8 0x00000004
#DRAM_DATA B3
DATA 4 0x73fa882c 0x00000004

#DRAM_DATA B0 slew rate
DATA 4 0x73fa8878 0x00000000
#DRAM_DATA B1 slew rate
DATA 4 0x73fa8880 0x00000000
#DRAM_DATA B2 slew rate
DATA 4 0x73fa888c 0x00000000
#DRAM_DATA B3 slew rate
DATA 4 0x73fa889c 0x00000000

#######################
### Configure SDRAM ###
#######################

# Configure CS0
#######################

# ESDCTL0: Enable controller
DATA 4 0x83fd9000 0x83220000

# Init DRAM on CS0
# ESDSCR: Precharge command
DATA 4 0x83fd9014 0x04008008
# ESDSCR: Refresh command
DATA 4 0x83fd9014 0x00008010
# ESDSCR: Refresh command
DATA 4 0x83fd9014 0x00008010
# ESDSCR: LMR with CAS=3 and BL=3 (Burst Length = 8)
DATA 4 0x83fd9014 0x00338018
# ESDSCR: EMR with half Drive strength (= medium strength @ i.MX51)
DATA 4 0x83fd9014 0x0020801a
# ESDSCR
DATA 4 0x83fd9014 0x00008000

# ESDSCR: EMR with full Drive strength
#DATA 4 0x83fd9014 0x0000801a

# ESDCTL0: 14 ROW, 10 COL, 32Bit, SREF=8
DATA 4 0x83fd9000 0xC3220000

# ESDCFG0: tRFC:22clks, tXSR:28clks, tXP:2clks, tWTR:2clk, tRP:3clks, tMRD:2clks
#          tRAS:8clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:11clks
#DATA 4 0x83fd9004 0xC33574AA

#micron mDDR
# ESDCFG0: tRFC:11clks, tXSR:19clks, tXP:1clks, tWTR:2clk, tRP:3clks, tMRD:2clks
# tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks
#DATA 4 0x83FD9004 0x101564a8

#hynix mDDR
# ESDCFG0: tRFC:17clks, tXSR:21clks, tXP:3clks, tWTR:1clk, tRP:3clks, tMRD:2clks
# tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks
DATA 4 0x83FD9004 0x704564a8

# ESDMISC: AP=10, Bank interleaving on, MIF3 en, RALAT=2
DATA 4 0x83fd9010 0x000a1700

# Configure CS1
#######################

# ESDCTL1: Enable controller
DATA 4 0x83fd9008 0x83220000

# Init DRAM on CS1
# ESDSCR: Precharge command
DATA 4 0x83fd9014 0x0400800c
# ESDSCR: Refresh command
DATA 4 0x83fd9014 0x00008014
# ESDSCR: Refresh command
DATA 4 0x83fd9014 0x00008014
# ESDSCR: LMR with CAS=3 and BL=3 (Burst Length = 8)
DATA 4 0x83fd9014 0x0033801c
# ESDSCR: EMR with half Drive strength (= medium strength @ i.MX51)
DATA 4 0x83fd9014 0x0020801e
# ESDSCR
DATA 4 0x83fd9014 0x00008004

# ESDCTL1: 14 ROW, 10 COL, 32Bit, SREF=8
DATA 4 0x83fd9008 0xC3220000

# ESDCFG1: tRFC:22clks, tXSR:28clks, tXP:2clks, tWTR:2clk, tRP:3clks, tMRD:2clks
#          tRAS:8clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:11clks
#DATA 4 0x83fd900c 0xC33574AA

#micron mDDR
# ESDCFG1: tRFC:11clks, tXSR:19clks, tXP:1clks, tWTR:2clk, tRP:3clks, tMRD:2clks
# tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks
#DATA 4 0x83FD900C 0x101564a8

#hynix mDDR
# ESDCFG0: tRFC:17clks, tXSR:21clks, tXP:3clks, tWTR:1clk, tRP:3clks, tMRD:2clks
# tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks
DATA 4 0x83FD900C 0x704564a8

# ESDSCR (mDRAM configuration finished)
DATA 4 0x83FD9014 0x00000004

# ESDSCR - clear "configuration request" bit
DATA 4 0x83fd9014 0x00000000