[U-Boot] [PATCH v2 3/8] arm/km: add BootROM config file for memphis SDRAM

Valentin Longchamp valentin.longchamp at keymile.com
Tue May 3 16:13:11 CEST 2011


This RAM is used on mgcoge3un and needs other initialization values
for the SDRAM controller.

Signed-off-by: Valentin Longchamp <valentin.longchamp at keymile.com>
Signed-off-by: Holger Brunck <holger.brunck at keymile.com>
Acked-by: Heiko Schocher <hs at denx.de>
cc: Prafulla Wadaskar <prafulla at marvell.com>
cc: Wolfgang Denk <wd at denx.de>
cc: Detlev Zundel <dzu at denx.de>
---
Changes for v2:
   - split up first large patch series to three independent smaller
     patch series

 board/keymile/km_arm/kwbimage-memphis.cfg |  197 +++++++++++++++++++++++++++++
 1 files changed, 197 insertions(+), 0 deletions(-)
 create mode 100644 board/keymile/km_arm/kwbimage-memphis.cfg

diff --git a/board/keymile/km_arm/kwbimage-memphis.cfg b/board/keymile/km_arm/kwbimage-memphis.cfg
new file mode 100644
index 0000000..2faaf2b
--- /dev/null
+++ b/board/keymile/km_arm/kwbimage-memphis.cfg
@@ -0,0 +1,197 @@
+#
+# (C) Copyright 2010
+# Heiko Schocher, DENX Software Engineering, hs at denx.de.
+#
+# (C) Copyright 2011
+# Valentin Longchamp, Keymile AG, valentin.longchamp at keymile.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.kwimage for more details about how-to configure
+# and create kirkwood boot image
+#
+
+# Boot Media configurations
+BOOT_FROM	spi	# Boot from SPI flash
+
+DATA 0xFFD10000 0x01112222	# MPP Control 0 Register
+# bit 3-0:   MPPSel0	2, NF_IO[2]
+# bit 7-4:   MPPSel1	2, NF_IO[3]
+# bit 12-8:  MPPSel2	2, NF_IO[4]
+# bit 15-12: MPPSel3	2, NF_IO[5]
+# bit 19-16: MPPSel4	1, NF_IO[6]
+# bit 23-20: MPPSel5	1, NF_IO[7]
+# bit 27-24: MPPSel6	1, SYSRST_O
+# bit 31-28: MPPSel7	0, GPO[7]
+
+DATA 0xFFD10004 0x03303300
+
+DATA 0xFFD10008 0x00001100	# MPP Control 2 Register
+# bit 3-0:   MPPSel16	0, GPIO[16]
+# bit 7-4:   MPPSel17	0, GPIO[17]
+# bit 12-8:  MPPSel18	1, NF_IO[0]
+# bit 15-12: MPPSel19	1, NF_IO[1]
+# bit 19-16: MPPSel20	0, GPIO[20]
+# bit 23-20: MPPSel21	0, GPIO[21]
+# bit 27-24: MPPSel22	0, GPIO[22]
+# bit 31-28: MPPSel23	0, GPIO[23]
+
+DATA 0xFFD100E0 0x1B1B1B1B	# IO Configuration 0 Register
+DATA 0xFFD20134 0x66666666	# L2 RAM Timing 0 Register
+DATA 0xFFD20138 0x66666666	# L2 RAM Timing 1 Register
+DATA 0xFFD20154 0x00000200	# CPU RAM Management Control3 Register
+DATA 0xFFD2014C 0x00001C00	# CPU RAM Management Control1 Register
+DATA 0xFFD20148 0x00000001	# CPU RAM Management Control0 Register
+
+#Dram initalization
+DATA 0xFFD01400 0x430004E0	# SDRAM Configuration Register
+# bit13-0:  0x4E0 (DDR2 clks refresh rate)
+# bit23-14: zero
+# bit24: 1= enable exit self refresh mode on DDR access
+# bit25: 1 required
+# bit29-26: zero
+# bit31-30: 01
+
+DATA 0xFFD01404 0x38543000	# DDR Controller Control Low
+# bit 3-0:  0 reserved
+# bit 4:    0=addr/cmd in smame cycle
+# bit 5:    0=clk is driven during self refresh, we don't care for APX
+# bit 6:    0=use recommended falling edge of clk for addr/cmd
+# bit14:    0=input buffer always powered up
+# bit18:    1=cpu lock transaction enabled
+# bit23-20: 5=recommended value for CL=4 and STARTBURST_DEL disabled bit31=0
+# bit27-24: 8= CL+4, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
+# bit30-28: 3 required
+# bit31:    0=no additional STARTBURST delay
+
+DATA 0xFFD01408 0x2302433E	# 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 0x00000A3E	#  DDR Timing (High)
+# bit6-0:   TRFC
+# bit8-7:   TR2R
+# bit10-9:  TR2W
+# bit12-11: TW2W
+# bit31-13: zero required
+
+DATA 0xFFD01410 0x00000001	#  DDR Address Control
+# bit1-0:   01, Cs0width=x16
+# bit3-2:   00, Cs0size=2Gb
+# bit5-4:   00, Cs2width=nonexistent
+# bit7-6:   00, Cs1size =nonexistent
+# 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: 0 required
+
+DATA 0xFFD01414 0x00000000	#  DDR Open Pages Control
+# bit0:    0,  OpenPage enabled
+# bit31-1: 0 required
+
+DATA 0xFFD01418 0x00000000	#  DDR Operation
+# bit3-0:   0x0, DDR cmd
+# bit31-4:  0 required
+
+DATA 0xFFD0141C 0x00000652	#  DDR Mode
+DATA 0xFFD01420 0x00000006	#  DDR Extended Mode
+# bit0:    0,  DDR DLL enabled
+# bit1:    1,  DDR drive strenght reduced
+# bit2:    1,  DDR ODT control lsd disabled
+# bit5-3:  000, required
+# bit6:    0,  DDR ODT control msb disabled
+# bit9-7:  000, required
+# bit10:   0,  differential DQS enabled
+# bit11:   0, required
+# bit12:   0, DDR output buffer enabled
+# bit31-13: 0 required
+
+DATA 0xFFD01424 0x0000F17F	#  DDR Controller Control High
+# bit2-0:  111, required
+# bit3  :  1  , MBUS Burst Chop disabled
+# bit6-4:  111, required
+# bit7  :  0
+# bit8  :  1  , add a sample stage
+# bit9  :  0  , no half clock cycle addition to dataout
+# bit10 :  0  , 1/4 clock cycle skew enabled for addr/ctl signals
+# bit11 :  0  , 1/4 clock cycle skew disabled for write mesh
+# bit15-12: 1111 required
+# bit31-16: 0    required
+
+DATA 0xFFD01428 0x00084520	# DDR2 SDRAM Timing Low
+# bit3-0  : 0000, required
+# bit7-4  : 0010, M_ODT assertion 2 cycles after read
+# bit11-8 : 1001, M_ODT de-assertion 5 cycles after read
+# bit15-12: 0100, internal ODT assertion 4 cycles after read
+# bit19-16: 1000, internal ODT de-assertion 8 cycles after read
+# bit31-20: 0   , required
+
+DATA 0xFFD0147c 0x00008451	# DDR2 SDRAM Timing High
+# bit3-0  : 0001, M_ODT assertion same cycle as write
+# bit7-4  : 0101, M_ODT de-assertion x cycles after write
+# bit11-8 : 0100, internal ODT assertion x cycles after write
+# bit15-12: 1000, internal ODT de-assertion x cycles after write
+
+DATA 0xFFD01500 0x00000000	# CS[0]n Base address to 0x0
+DATA 0xFFD01504 0x0FFFFFF1	# CS[0]n Size
+# bit0:    1,  Window enabled
+# bit1:    0,  Write Protect disabled
+# bit3-2:  00, CS0 hit selected
+# bit23-4: ones, required
+# bit31-24: 0x0F, Size (i.e. 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 0x00010000	#  DDR ODT Control (Low)
+# bit3-0:  0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0
+# bit19-16:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
+
+DATA 0xFFD01498 0x00000000	#  DDR ODT Control (High)
+# bit1-0:  00, ODT0 controlled by ODT Control (low) register above
+# bit3-2:  00, ODT1 controlled by register
+# bit31-4: zero, required
+
+DATA 0xFFD0149C 0x0000F801	# CPU ODT Control
+# bit3-0:  1, ODT0Rd, Internal ODT asserted during read from DRAM bank0
+# bit7-4:  0, ODT0Wr, Internal ODT not asserted during write to DRAM bank0
+# bit9-8:  0, ODTEn, controlled by ODT0Rd and ODT0Wr
+# bit11-10:2, DQ_ODTSel. ODT select turned on, 75 ohm
+# bit13-12:3, STARTBURST ODT buffer selected, 50 ohm
+# bit14   :1, STARTBURST ODT enabled
+# bit15   :1, Use ODT Block
+
+DATA 0xFFD01480 0x00000001	# DDR Initialization Control
+# bit0=1, enable DDR init upon this register write
+
+# End of Header extension
+DATA 0x0 0x0
-- 
1.7.0.5



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