It's a PRNG using the simple and fast xorshift method.

Signed-off-by: Michael Walle michael@walle.cc Cc: Wolfgang Denk wd@denx.de --- include/common.h | 8 ++++++++ lib/Makefile | 1 + lib/rand.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 57 insertions(+), 0 deletions(-) create mode 100644 lib/rand.c

diff --git a/include/common.h b/include/common.h index 8564a65..16ed96d 100644 --- a/include/common.h +++ b/include/common.h @@ -751,6 +751,14 @@ char * strmhz(char *buf, unsigned long hz); /* lib/crc32.c */ #include <u-boot/crc.h>

+/* lib/rand.c */ +#ifdef CONFIG_RAND +#define RAND_MAX -1U +void srand(unsigned int seed); +unsigned int rand(void); +unsigned int rand_r(unsigned int *seedp); +#endif + /* common/console.c */ int console_init_f(void); /* Before relocation; uses the serial stuff */ int console_init_r(void); /* After relocation; uses the console stuff */ diff --git a/lib/Makefile b/lib/Makefile index 1e8478f..5828be0 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -66,6 +66,7 @@ COBJS-y += string.o COBJS-y += time.o COBJS-$(CONFIG_BOOTP_PXE) += uuid.o COBJS-y += vsprintf.o +COBJS-$(CONFIG_RAND) += rand.o

COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/lib/rand.c b/lib/rand.c new file mode 100644 index 0000000..c9764f5 --- /dev/null +++ b/lib/rand.c @@ -0,0 +1,48 @@ +/* + * Simple xorshift PRNG + * see http://www.jstatsoft.org/v08/i14/paper + * + * Copyright (c) 2012 Michael Walle + * Michael Walle michael@walle.cc + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +static unsigned int y = 1U; + +unsigned int rand_r(unsigned int *seedp) +{ + *seedp ^= (*seedp << 13); + *seedp ^= (*seedp >> 17); + *seedp ^= (*seedp << 5); + + return *seedp; +} + +unsigned int rand(void) +{ + return rand_r(&y); +} + +void srand(unsigned int seed) +{ + y = seed; +}

This patch adds support for both the Linkstation Live (LS-CHLv2) and Linkstation Pro (LS-XHL) by Buffalo.

Signed-off-by: Michael Walle michael@walle.cc Cc: Prafulla Wadaskar prafulla@marvell.com --- MAINTAINERS | 5 + board/buffalo/lsxl/Makefile | 44 +++++ board/buffalo/lsxl/kwbimage-lschl.cfg | 229 +++++++++++++++++++++++++ board/buffalo/lsxl/kwbimage-lsxhl.cfg | 229 +++++++++++++++++++++++++ board/buffalo/lsxl/lsxl.c | 302 +++++++++++++++++++++++++++++++++ board/buffalo/lsxl/lsxl.h | 75 ++++++++ boards.cfg | 2 + include/configs/lsxl.h | 182 ++++++++++++++++++++ 8 files changed, 1068 insertions(+), 0 deletions(-) create mode 100644 board/buffalo/lsxl/Makefile create mode 100644 board/buffalo/lsxl/kwbimage-lschl.cfg create mode 100644 board/buffalo/lsxl/kwbimage-lsxhl.cfg create mode 100644 board/buffalo/lsxl/lsxl.c create mode 100644 board/buffalo/lsxl/lsxl.h create mode 100644 include/configs/lsxl.h

diff --git a/MAINTAINERS b/MAINTAINERS index f796872..fbb2e2e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -902,6 +902,11 @@ Prafulla Wadaskar prafulla@marvell.com rd6281a ARM926EJS (Kirkwood SoC) sheevaplug ARM926EJS (Kirkwood SoC)

+Michael Walle michael@walle.cc + + lschlv2 ARM926EJS (Kirkwood SoC) + lsxhl ARM926EJS (Kirkwood SoC) + Tom Warren twarren@nvidia.com

harmony Tegra2 (ARM7 & A9 Dual Core) diff --git a/board/buffalo/lsxl/Makefile b/board/buffalo/lsxl/Makefile new file mode 100644 index 0000000..36f2560 --- /dev/null +++ b/board/buffalo/lsxl/Makefile @@ -0,0 +1,44 @@ +# +# Copyright (c) 2012 Michael Walle +# Michael Walle michael@walle.cc +# +# 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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := lsxl.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/buffalo/lsxl/kwbimage-lschl.cfg b/board/buffalo/lsxl/kwbimage-lschl.cfg new file mode 100644 index 0000000..2b9b3cd --- /dev/null +++ b/board/buffalo/lsxl/kwbimage-lschl.cfg @@ -0,0 +1,229 @@ +# +# Copyright (c) 2012 Michael Walle +# Michael Walle michael@walle.cc +# +# 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 + +# SOC registers configuration using bootrom header extension +# Maximum KWBIMAGE_MAX_CONFIG configurations allowed + +# Configure RGMII-0/1 interface pad voltage to 1.8V +DATA 0xFFD100E0 0x1B1B1B9B + +# L2 RAM Timing 0 +DATA 0xFFD20134 0xBBBBBBBB +# not further specified in HW manual, timing taken from original vendor port + +# L2 RAM Timing 1 +DATA 0xFFD20138 0x00BBBBBB +# not further specified in HW manual, timing taken from original vendor port + +# DDR Configuration register +DATA 0xFFD01400 0x43000618 +# bit13-0: 0x618, 1560 DDR2 clks refresh rate +# bit23-14: 0 required +# bit24: 1, enable exit self refresh mode on DDR access +# bit25: 1 required +# bit29-26: 0 required +# bit31-30: 0b01 required + +# DDR Controller Control Low +DATA 0xFFD01404 0x39543000 +# bit3-0: 0 required +# bit4: 0, addr/cmd in same cycle +# bit5: 0, clk is driven during self refresh, we don't care for APX +# bit6: 0, use recommended falling edge of clk for addr/cmd +# bit11-7: 0 required +# bit12: 1 required +# bit13: 1 required +# bit14: 0, input buffer always powered up +# bit17-15: 0 required +# bit18: 1, cpu lock transaction enabled +# bit19: 0 required +# bit23-20: 5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0 +# bit27-24: 9, CL+4, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM +# bit30-28: 3 required +# bit31: 0, no additional STARTBURST delay + +# DDR Timing (Low) +DATA 0xFFD01408 0x3302444F +# bit3-0: 0xf, 16 cycle tRAS (tRAS[3-0]) +# bit7-4: 4, 5 cycle tRCD +# bit11-8: 4, 5 cyle tRP +# bit15-12: 4, 5 cyle tWR +# bit19-16: 2, 3 cyle tWTR +# bit20: 0, 16 cycle tRAS (tRAS[4]) +# bit23-21: 0 required +# bit27-24: 3, 4 cycle tRRD +# bit31-28: 3, 4 cyle tRTP + +# DDR Timing (High) +DATA 0xFFD0140C 0x00000823 +# bit6-0: 0x23, 35 cycle tRFC +# bit8-7: 0, 1 cycle tR2R +# bit10-9: 0, 1 cyle tR2W +# bit12-11: 1, 2 cylce tW2W +# bit31-13: 0 required + +# DDR Address Control +DATA 0xFFD01410 0x00000009 +# bit1-0: 1, Cs0width=x16 +# bit3-2: 2, Cs0size=512Mbit +# bit5-4: 0, Cs1width=nonexistent +# bit7-6: 0, Cs1size=nonexistent +# bit9-8: 0, Cs2width=nonexistent +# bit11-10: 0, Cs2size=nonexistent +# bit13-12: 0, Cs3width=nonexistent +# bit15-14: 0, Cs3size=nonexistent +# bit16: 0, Cs0AddrSel +# bit17: 0, Cs1AddrSel +# bit18: 0, Cs2AddrSel +# bit19: 0, Cs3AddrSel +# bit31-20: 0 required + +# DDR Open Pages Control +DATA 0xFFD01414 0x00000000 +# bit0: 0, OPEn=OpenPage enabled +# bit31-1: 0 required + +# DDR Operation +DATA 0xFFD01418 0x00000000 +# bit3-0: 0, Cmd=Normal SDRAM Mode +# bit31-4: 0 required + +# DDR Mode +DATA 0xFFD0141C 0x00000652 +# bit2-0: 2, Burst Length (2 required) +# bit3: 0, Burst Type (0 required) +# bit6-4: 5, CAS Latency (CL) 5 +# bit7: 0, (Test Mode) Normal operation +# bit8: 0, (Reset DLL) Normal operation +# bit11-9: 3, Write recovery for auto-precharge (3 required) +# bit12: 0, Fast Active power down exit time (0 required) +# bit31-13: 0 required + +# DDR Extended Mode +DATA 0xFFD01420 0x00000042 +# bit0: 0, DRAM DLL enabled +# bit1: 1, DRAM drive strength reduced +# bit2: 0, ODT control Rtt[0] (Rtt=2, 150 ohm termination) +# bit5-3: 0 required +# bit6: 1, ODT control Rtt[1] (Rtt=2, 150 ohm termination) +# bit9-7: 0 required +# bit10: 0, differential DQS enabled +# bit11: 0 required +# bit12: 0, DRAM output buffer enabled +# bit31-13: 0 required + +# DDR Controller Control High +DATA 0xFFD01424 0x0000F17F +# bit2-0: 0x7 required +# bit3: 1, MBUS Burst Chop disabled +# bit6-4: 0x7 required +# bit7: 0 required (???) +# bit8: 1, add writepath sample stage, must be 1 for DDR freq >= 300MHz +# 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: 0xf required +# bit31-16: 0 required + +# DDR2 ODT Read Timing (default values) +DATA 0xFFD01428 0x00085520 +# bit3-0: 0 required +# bit7-4: 2, 2 cycles from read command to assertion of M_ODT signal +# bit11-8: 5, 5 cycles from read command to de-assertion of M_ODT signal +# bit15-12: 5, 5 cycles from read command to assertion of internal ODT signal +# bit19-16: 8, 8 cycles from read command to de-assertion of internal ODT signal +# bit31-20: 0 required + +# DDR2 ODT Write Timing (default values) +DATA 0xFFD0147C 0x00008552 +# bit3-0: 2, 2 cycles from write comand to assertion of M_ODT signal +# bit7-4: 5, 5 cycles from write command to de-assertion of M_ODT signal +# bit15-12: 5, 5 cycles from write command to assertion of internal ODT signal +# bit19-16: 8, 8 cycles from write command to de-assertion of internal ODT signal +# bit31-16: 0 required + +# CS[0]n Base address +DATA 0xFFD01500 0x00000000 +# at 0x0 + +# CS[0]n Size +DATA 0xFFD01504 0x03FFFFF1 +# bit0: 1, Window enabled +# bit1: 0, Write Protect disabled +# bit3-2: 0x0, CS0 hit selected +# bit23-4: 0xfffff required +# bit31-24: 0x03, Size (i.e. 64MB) + +# CS[1]n Size +DATA 0xFFD0150C 0x00000000 +# window disabled + +# CS[2]n Size +DATA 0xFFD01514 0x00000000 +# window disabled + +# CS[3]n Size +DATA 0xFFD0151C 0x00000000 +# window disabled + +# DDR ODT Control (Low) +DATA 0xFFD01494 0x003C0000 +# bit3-0: 0b0000, (read) M_ODT[0] is not asserted during read from DRAM +# bit7-4: 0b0000, (read) M_ODT[1] is not asserted during read from DRAM +# bit15-8: 0 required +# bit19-16: 0b1100, (write) M_ODT[0] is asserted during write to DRAM CS2, CS3 +# bit23-20: 0b0011, (write) M_ODT[1] is asserted during write to DRAM CS0, CS1 +# bit31-24: 0 required + +# DDR ODT Control (High) +DATA 0xFFD01498 0x00000000 +# bit1-0: 0, M_ODT[0] assertion is controlled by ODT Control Low register +# bit3-2: 0, M_ODT[1] assertion is controlled by ODT Control Low register +# bit31-4 0 required + +# CPU ODT Control +DATA 0xFFD0149C 0x0000E80F +# bit3-0: 0b1111, internal ODT is asserted during read from DRAM bank 0-3 +# bit7-4: 0b0000, internal ODT is not asserted during write to DRAM bank 0-3 +# bit9-8: 0, Internal ODT assertion is controlled by fiels +# bit11-10: 2, M_DQ, M_DM, and M_DQS I/O buffer ODT 75 ohm +# bit13-12: 2, M_STARTBURST_IN I/O buffer ODT 75 ohm +# bit14: 1, M_STARTBURST_IN ODT enabled +# bit15: 1, DDR IO ODT Unit: Drive ODT calibration values +# bit20-16: 0, Pad N channel driving strength for ODT +# bit25-21: 0, Pad P channel driving strength for ODT +# bit31-26: 0 required + +# DDR Initialization Control +DATA 0xFFD01480 0x00000001 +# bit0: 1, enable DDR init upon this register write +# bit31-1: 0, required + +# End of Header extension +DATA 0x0 0x0 diff --git a/board/buffalo/lsxl/kwbimage-lsxhl.cfg b/board/buffalo/lsxl/kwbimage-lsxhl.cfg new file mode 100644 index 0000000..8a94b6c --- /dev/null +++ b/board/buffalo/lsxl/kwbimage-lsxhl.cfg @@ -0,0 +1,229 @@ +# +# Copyright (c) 2012 Michael Walle +# Michael Walle michael@walle.cc +# +# 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 + +# SOC registers configuration using bootrom header extension +# Maximum KWBIMAGE_MAX_CONFIG configurations allowed + +# Configure RGMII-0/1 interface pad voltage to 1.8V +DATA 0xFFD100E0 0x1B1B9B9B + +# L2 RAM Timing 0 +DATA 0xFFD20134 0xBBBBBBBB +# not further specified in HW manual, timing taken from original vendor port + +# L2 RAM Timing 1 +DATA 0xFFD20138 0x00BBBBBB +# not further specified in HW manual, timing taken from original vendor port + +# DDR Configuration register +DATA 0xFFD01400 0x43000618 +# bit13-0: 0x618, 1560 DDR2 clks refresh rate +# bit23-14: 0 required +# bit24: 1, enable exit self refresh mode on DDR access +# bit25: 1 required +# bit29-26: 0 required +# bit31-30: 0b01 required + +# DDR Controller Control Low +DATA 0xFFD01404 0x39543010 +# bit3-0: 0 required +# bit4: 1, T2 mode, addr/cmd are driven for two cycles +# bit5: 0, clk is driven during self refresh, we don't care for APX +# bit6: 0, use recommended falling edge of clk for addr/cmd +# bit11-7: 0 required +# bit12: 1 required +# bit13: 1 required +# bit14: 0, input buffer always powered up +# bit17-15: 0 required +# bit18: 1, cpu lock transaction enabled +# bit19: 0 required +# bit23-20: 5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0 +# bit27-24: 9, CL+4, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM +# bit30-28: 3 required +# bit31: 0, no additional STARTBURST delay + +# DDR Timing (Low) +DATA 0xFFD01408 0x22125441 +# bit3-0: 0x1, 18 cycle tRAS (tRAS[3-0]) +# bit7-4: 4, 5 cycle tRCD +# bit11-8: 4, 5 cyle tRP +# bit15-12: 5, 6 cyle tWR +# bit19-16: 2, 3 cyle tWTR +# bit20: 1, 18 cycle tRAS (tRAS[4]) +# bit23-21: 0 required +# bit27-24: 2, 3 cycle tRRD +# bit31-28: 2, 3 cyle tRTP + +# DDR Timing (High) +DATA 0xFFD0140C 0x00000832 +# bit6-0: 0x32, 50 cycle tRFC +# bit8-7: 0, 1 cycle tR2R +# bit10-9: 0, 1 cyle tR2W +# bit12-11: 1, 2 cylce tW2W +# bit31-13: 0 required + +# DDR Address Control +DATA 0xFFD01410 0x0000000C +# bit1-0: 0, Cs0width=x8 +# bit3-2: 3, Cs0size=1Gbit +# bit5-4: 0, Cs1width=nonexistent +# bit7-6: 0, Cs1size=nonexistent +# bit9-8: 0, Cs2width=nonexistent +# bit11-10: 0, Cs2size=nonexistent +# bit13-12: 0, Cs3width=nonexistent +# bit15-14: 0, Cs3size=nonexistent +# bit16: 0, Cs0AddrSel +# bit17: 0, Cs1AddrSel +# bit18: 0, Cs2AddrSel +# bit19: 0, Cs3AddrSel +# bit31-20: 0 required + +# DDR Open Pages Control +DATA 0xFFD01414 0x00000000 +# bit0: 0, OPEn=OpenPage enabled +# bit31-1: 0 required + +# DDR Operation +DATA 0xFFD01418 0x00000000 +# bit3-0: 0, Cmd=Normal SDRAM Mode +# bit31-4: 0 required + +# DDR Mode +DATA 0xFFD0141C 0x00000652 +# bit2-0: 2, Burst Length (2 required) +# bit3: 0, Burst Type (0 required) +# bit6-4: 5, CAS Latency (CL) 5 +# bit7: 0, (Test Mode) Normal operation +# bit8: 0, (Reset DLL) Normal operation +# bit11-9: 3, Write recovery for auto-precharge (3 required) +# bit12: 0, Fast Active power down exit time (0 required) +# bit31-13: 0 required + +# DDR Extended Mode +DATA 0xFFD01420 0x00000006 +# bit0: 0, DRAM DLL enabled +# bit1: 1, DRAM drive strength reduced +# bit2: 1, ODT control Rtt[0] (Rtt=1, 75 ohm termination) +# bit5-3: 0 required +# bit6: 0, ODT control Rtt[1] (Rtt=1, 75 ohm termination) +# bit9-7: 0 required +# bit10: 0, differential DQS enabled +# bit11: 0 required +# bit12: 0, DRAM output buffer enabled +# bit31-13: 0 required + +# DDR Controller Control High +DATA 0xFFD01424 0x0000F17F +# bit2-0: 0x7 required +# bit3: 1, MBUS Burst Chop disabled +# bit6-4: 0x7 required +# bit7: 0 required (???) +# bit8: 1, add writepath sample stage, must be 1 for DDR freq >= 300MHz +# 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: 0xf required +# bit31-16: 0 required + +# DDR2 ODT Read Timing (default values) +DATA 0xFFD01428 0x00085520 +# bit3-0: 0 required +# bit7-4: 2, 2 cycles from read command to assertion of M_ODT signal +# bit11-8: 5, 5 cycles from read command to de-assertion of M_ODT signal +# bit15-12: 5, 5 cycles from read command to assertion of internal ODT signal +# bit19-16: 8, 8 cycles from read command to de-assertion of internal ODT signal +# bit31-20: 0 required + +# DDR2 ODT Write Timing (default values) +DATA 0xFFD0147C 0x00008552 +# bit3-0: 2, 2 cycles from write comand to assertion of M_ODT signal +# bit7-4: 5, 5 cycles from write command to de-assertion of M_ODT signal +# bit15-12: 5, 5 cycles from write command to assertion of internal ODT signal +# bit19-16: 8, 8 cycles from write command to de-assertion of internal ODT signal +# bit31-16: 0 required + +# CS[0]n Base address +DATA 0xFFD01500 0x00000000 +# at 0x0 + +# CS[0]n Size +DATA 0xFFD01504 0x0FFFFFF1 +# bit0: 1, Window enabled +# bit1: 0, Write Protect disabled +# bit3-2: 0x0, CS0 hit selected +# bit23-4: 0xfffff required +# bit31-24: 0x0f, Size (i.e. 256MB) + +# CS[1]n Size +DATA 0xFFD0150C 0x00000000 +# window disabled + +# CS[2]n Size +DATA 0xFFD01514 0x00000000 +# window disabled + +# CS[3]n Size +DATA 0xFFD0151C 0x00000000 +# window disabled + +# DDR ODT Control (Low) +DATA 0xFFD01494 0x00010000 +# bit3-0: 0b0000, (read) M_ODT[0] is not asserted during read from DRAM +# bit7-4: 0b0000, (read) M_ODT[1] is not asserted during read from DRAM +# bit15-8: 0 required +# bit19-16: 0b0001, (write) M_ODT[0] is asserted during write to DRAM CS0 +# bit23-20: 0b0000, (write) M_ODT[1] is not asserted during write to DRAM +# bit31-24: 0 required + +# DDR ODT Control (High) +DATA 0xFFD01498 0x00000000 +# bit1-0: 0, M_ODT[0] assertion is controlled by ODT Control Low register +# bit3-2: 0, M_ODT[1] assertion is controlled by ODT Control Low register +# bit31-4 0 required + +# CPU ODT Control +DATA 0xFFD0149C 0x0000E80F +# bit3-0: 0b1111, internal ODT is asserted during read from DRAM bank 0-3 +# bit7-4: 0b0000, internal ODT is not asserted during write to DRAM bank 0-3 +# bit9-8: 0, Internal ODT assertion is controlled by fiels +# bit11-10: 2, M_DQ, M_DM, and M_DQS I/O buffer ODT 75 ohm +# bit13-12: 2, M_STARTBURST_IN I/O buffer ODT 75 ohm +# bit14: 1, M_STARTBURST_IN ODT enabled +# bit15: 1, DDR IO ODT Unit: Drive ODT calibration values +# bit20-16: 0, Pad N channel driving strength for ODT +# bit25-21: 0, Pad P channel driving strength for ODT +# bit31-26: 0 required + +# DDR Initialization Control +DATA 0xFFD01480 0x00000001 +# bit0: 1, enable DDR init upon this register write +# bit31-1: 0, required + +# End of Header extension +DATA 0x0 0x0 diff --git a/board/buffalo/lsxl/lsxl.c b/board/buffalo/lsxl/lsxl.c new file mode 100644 index 0000000..cef76af --- /dev/null +++ b/board/buffalo/lsxl/lsxl.c @@ -0,0 +1,302 @@ +/* + * Copyright (c) 2012 Michael Walle + * Michael Walle michael@walle.cc + * + * Based on sheevaplug/sheevaplug.c by + * Marvell Semiconductor <www.marvell.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 + */ + +#include <common.h> +#include <net.h> +#include <malloc.h> +#include <netdev.h> +#include <miiphy.h> +#include <asm/arch/kirkwood.h> +#include <asm/arch/cpu.h> +#include <asm/arch/mpp.h> +#include <asm/arch/gpio.h> +#include <spi_flash.h> + +#include "lsxl.h" + +/* + * Rescue mode + * + * Selected by holding the push button for 3 seconds, while powering on + * the device. + * + * These linkstations don't have a (populated) serial port. There is no + * way to access an (unmodified) board other than using the netconsole. If + * you want to recover from a bad environment setting or an empty environment, + * you can do this only with a working network connection. Therefore, a random + * ethernet address is generated if none is set and a DHCP request is sent. + * After a successful DHCP response is received, the network settings are + * configured and the ncip parameter is set to the serverip. Eg. for a working + * resuce mode, you should set 'next-server' to the host where the netconsole + * client is started. + * Additionally, the bootsource is set to 'rescue'. + */ + +#ifndef CONFIG_ENV_OVERWRITE +# error "You need to set CONFIG_ENV_OVERWRITE" +#endif + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + /* + * default gpio configuration + * There are maximum 64 gpios controlled through 2 sets of registers + * the below configuration configures mainly initial LED status + */ + kw_config_gpio(LSXL_OE_VAL_LOW, + LSXL_OE_VAL_HIGH, + LSXL_OE_LOW, LSXL_OE_HIGH); + + /* + * Multi-Purpose Pins Functionality configuration + * These strappings are taken from the original vendor uboot port. + */ + u32 kwmpp_config[] = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP4_UART0_RXD, + MPP5_UART0_TXD, + MPP6_SYSRST_OUTn, + MPP7_GPO, + MPP8_GPIO, + MPP9_GPIO, + MPP10_GPO, /* HDD power */ + MPP11_GPIO, /* USB Vbus enable */ + MPP12_SD_CLK, + MPP13_SD_CMD, + MPP14_SD_D0, + MPP15_SD_D1, + MPP16_SD_D2, + MPP17_SD_D3, + MPP18_GPO, /* fan speed high */ + MPP19_GPO, /* fan speed low */ + MPP20_GE1_0, + MPP21_GE1_1, + MPP22_GE1_2, + MPP23_GE1_3, + MPP24_GE1_4, + MPP25_GE1_5, + MPP26_GE1_6, + MPP27_GE1_7, + MPP28_GPIO, + MPP29_GPIO, + MPP30_GE1_10, + MPP31_GE1_11, + MPP32_GE1_12, + MPP33_GE1_13, + MPP34_GPIO, + MPP35_GPIO, + MPP36_GPIO, /* function LED */ + MPP37_GPIO, /* alarm LED */ + MPP38_GPIO, /* info LED */ + MPP39_GPIO, /* power LED */ + MPP40_GPIO, /* fan alarm */ + MPP41_GPIO, /* funtion button */ + MPP42_GPIO, /* power switch */ + MPP43_GPIO, /* power auto switch */ + MPP44_GPIO, + MPP45_GPIO, + MPP46_GPIO, + MPP47_GPIO, + MPP48_GPIO, /* function red LED */ + MPP49_GPIO, + 0 + }; + + kirkwood_mpp_conf(kwmpp_config); + + return 0; +} + +#define LED_OFF 0 +#define LED_ALARM_ON 1 +#define LED_ALARM_BLINKING 2 +#define LED_POWER_ON 3 +#define LED_POWER_BLINKING 4 +#define LED_INFO_ON 5 +#define LED_INFO_BLINKING 6 + +static void __set_led(int blink_alarm, int blink_info, int blink_power, + int value_alarm, int value_info, int value_power) +{ + kw_gpio_set_blink(GPIO_ALARM_LED, blink_alarm); + kw_gpio_set_blink(GPIO_INFO_LED, blink_info); + kw_gpio_set_blink(GPIO_POWER_LED, blink_power); + kw_gpio_set_value(GPIO_ALARM_LED, value_alarm); + kw_gpio_set_value(GPIO_INFO_LED, value_info); + kw_gpio_set_value(GPIO_POWER_LED, value_power); +} + +static void set_led(int state) +{ + switch (state) { + case LED_OFF: + __set_led(0, 0, 0, 0, 0, 0); + break; + case LED_ALARM_ON: + __set_led(0, 0, 0, 0, 1, 1); + break; + case LED_ALARM_BLINKING: + __set_led(1, 0, 0, 1, 1, 1); + break; + case LED_INFO_ON: + __set_led(0, 0, 0, 1, 0, 1); + break; + case LED_INFO_BLINKING: + __set_led(0, 1, 0, 1, 1, 1); + break; + case LED_POWER_ON: + __set_led(0, 0, 0, 1, 1, 0); + break; + case LED_POWER_BLINKING: + __set_led(0, 0, 1, 1, 1, 1); + break; + } +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; + + set_led(LED_POWER_BLINKING); + + return 0; +} + +#ifdef CONFIG_MISC_INIT_R +void check_enetaddr(void) +{ + uchar enetaddr[6]; + + if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { + /* signal unset/invalid ethaddr to user */ + set_led(LED_INFO_BLINKING); + } +} + +static void erase_environment(void) +{ + struct spi_flash *flash; + + printf("Erasing environment..\n"); + flash = spi_flash_probe(0, 0, 1000000, SPI_MODE_3); + if (!flash) { + printf("Erasing flash failed\n"); + return; + } + + spi_flash_erase(flash, CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE); + spi_flash_free(flash); + do_reset(NULL, 0, 0, NULL); +} + +static void rescue_mode(void) +{ + uchar enetaddr[6]; + + printf("Entering rescue mode..\n"); + if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { + eth_random_enetaddr(enetaddr); + if (eth_setenv_enetaddr("ethaddr", enetaddr)) { + printf("Failed to set ethernet address\n"); + set_led(LED_ALARM_BLINKING); + return; + } + } + setenv("bootsource", "rescue"); +} + +static void check_push_button(void) +{ + int i = 0; + + while (!kw_gpio_get_value(GPIO_FUNC_BUTTON)) { + udelay(100000); + i++; + + if (i == 10) + set_led(LED_INFO_ON); + + if (i >= 100) { + set_led(LED_INFO_BLINKING); + break; + } + } + + if (i >= 100) + erase_environment(); + else if (i >= 10) + rescue_mode(); +} + +int misc_init_r(void) +{ + check_enetaddr(); + check_push_button(); + + return 0; +} +#endif + +#ifdef CONFIG_SHOW_BOOT_PROGRESS +void show_boot_progress(int progress) +{ + if (progress > 0) + return; + + /* this is not an error, eg. bootp with autoload=no will trigger this */ + if (progress == -BOOTSTAGE_ID_NET_LOADED) + return; + + set_led(LED_ALARM_BLINKING); +} +#endif + +#ifdef CONFIG_RESET_PHY_R +/* Configure and enable MV88E1118 PHY */ +void reset_phy(void) +{ + u16 devadr; + char *name = "egiga1"; + + if (miiphy_set_current_dev(name)) + return; + + /* command to read PHY dev address */ + if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) { + printf("Err..%s could not read PHY dev address\n", __func__); + return; + } + + /* reset the phy */ + miiphy_reset(name, devadr); +} +#endif /* CONFIG_RESET_PHY_R */ diff --git a/board/buffalo/lsxl/lsxl.h b/board/buffalo/lsxl/lsxl.h new file mode 100644 index 0000000..2a2642e --- /dev/null +++ b/board/buffalo/lsxl/lsxl.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2012 Michael Walle + * Michael Walle michael@walle.cc + * + * 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 + */ + +#ifndef __LSXL_H +#define __LSXL_H + +#define GPIO_HDD_POWER 10 +#define GPIO_USB_VBUS 11 +#define GPIO_FAN_HIGH 18 +#define GPIO_FAN_LOW 19 +#define GPIO_FUNC_LED 36 +#define GPIO_ALARM_LED 37 +#define GPIO_INFO_LED 38 +#define GPIO_POWER_LED 39 +#define GPIO_FAN_LOCK 40 +#define GPIO_FUNC_BUTTON 41 +#define GPIO_POWER_SWITCH 42 +#define GPIO_POWER_AUTO_SWITCH 43 +#define GPIO_FUNC_RED_LED 48 + +#define _BIT(x) (1<<(x)) + +#define LSXL_OE_LOW (~(_BIT(GPIO_HDD_POWER) \ + | _BIT(GPIO_USB_VBUS) \ + | _BIT(GPIO_FAN_HIGH) \ + | _BIT(GPIO_FAN_LOW))) + +#define LSXL_OE_HIGH (~(_BIT(GPIO_FUNC_LED - 32) \ + | _BIT(GPIO_ALARM_LED - 32) \ + | _BIT(GPIO_INFO_LED - 32) \ + | _BIT(GPIO_POWER_LED - 32) \ + | _BIT(GPIO_FUNC_RED_LED - 32))) + +#define LSXL_OE_VAL_LOW (_BIT(GPIO_HDD_POWER) \ + | _BIT(GPIO_USB_VBUS)) + +#define LSXL_OE_VAL_HIGH (_BIT(GPIO_FUNC_LED - 32) \ + | _BIT(GPIO_ALARM_LED - 32) \ + | _BIT(GPIO_INFO_LED - 32) \ + | _BIT(GPIO_POWER_LED - 32) \ + | _BIT(GPIO_FUNC_RED_LED - 32)) + +#define LSXL_POL_VAL_LOW (_BIT(GPIO_FAN_HIGH) \ + | _BIT(GPIO_FAN_LOW)) + +#define LSXL_POL_VAL_HIGH (_BIT(GPIO_FUNC_LED - 32) \ + | _BIT(GPIO_ALARM_LED - 32) \ + | _BIT(GPIO_INFO_LED - 32) \ + | _BIT(GPIO_POWER_LED - 32) \ + | _BIT(GPIO_FUNC_BUTTON - 32) \ + | _BIT(GPIO_POWER_SWITCH - 32) \ + | _BIT(GPIO_POWER_AUTO_SWITCH - 32) \ + | _BIT(GPIO_FUNC_RED_LED - 32)) + +#endif /* __LSXL_H */ diff --git a/boards.cfg b/boards.cfg index 0dee43f..84463b5 100644 --- a/boards.cfg +++ b/boards.cfg @@ -138,6 +138,8 @@ enbw_cmc arm arm926ejs enbw_cmc enbw calimain arm arm926ejs calimain omicron davinci pogo_e02 arm arm926ejs - cloudengines kirkwood dns325 arm arm926ejs - d-link kirkwood +lschlv2 arm arm926ejs lsxl buffalo kirkwood lsxl:LSCHLV2 +lsxhl arm arm926ejs lsxl buffalo kirkwood lsxl:LSXHL km_kirkwood arm arm926ejs km_arm keymile kirkwood km_kirkwood:KM_DISABLE_PCI km_kirkwood_pci arm arm926ejs km_arm keymile kirkwood km_kirkwood:KM_RECONFIG_XLX mgcoge3un arm arm926ejs km_arm keymile kirkwood diff --git a/include/configs/lsxl.h b/include/configs/lsxl.h new file mode 100644 index 0000000..914dd36 --- /dev/null +++ b/include/configs/lsxl.h @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2012 Michael Walle + * Michael Walle michael@walle.cc + * + * 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 + */ + +#ifndef _CONFIG_LSXL_H +#define _CONFIG_LSXL_H + +/* + * Version number information + */ +#if defined(CONFIG_LSCHLV2) +#define CONFIG_IDENT_STRING " LS-CHLv2" +#define CONFIG_SYS_KWD_CONFIG $(SRCTREE)/$(CONFIG_BOARDDIR)/kwbimage-lschl.cfg +#define CONFIG_MACH_TYPE 3006 +#define CONFIG_SYS_TCLK 166666667 /* 166 MHz */ +#elif defined(CONFIG_LSXHL) +#define CONFIG_IDENT_STRING " LS-XHL" +#define CONFIG_SYS_KWD_CONFIG $(SRCTREE)/$(CONFIG_BOARDDIR)/kwbimage-lsxhl.cfg +#define CONFIG_MACH_TYPE 2663 +/* CONFIG_SYS_TCLK is 200000000 by default */ +#else +#error "unknown board" +#endif + +/* + * General configuration options + */ +#define CONFIG_FEROCEON_88FR131 /* CPU Core subversion */ +#define CONFIG_KIRKWOOD /* SOC Family Name */ +#define CONFIG_KW88F6281 /* SOC Name */ + +#define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */ +#define CONFIG_MISC_INIT_R +#define CONFIG_SHOW_BOOT_PROGRESS + +#define CONFIG_RAND +#define CONFIG_RANDOM_MACADDR +#define CONFIG_KIRKWOOD_GPIO +#define CONFIG_OF_LIBFDT + +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_CONSOLE_IS_IN_ENV +#define CONFIG_SYS_CONSOLE_INFO_QUIET + +/* + * Enable u-boot API for standalone programs. + */ +#define CONFIG_API + +/* + * Commands configuration + */ +#include <config_cmd_default.h> +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_ELF +#define CONFIG_CMD_ENV +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_IDE +#define CONFIG_CMD_PING +#define CONFIG_CMD_PING +#define CONFIG_CMD_SF +#define CONFIG_CMD_SPI +#define CONFIG_CMD_USB + +#define CONFIG_DOS_PARTITION +#define CONFIG_EFI_PARTITION + +/* + * mv-common.h should be defined after CMD configs since it used them + * to enable certain macros + */ +#include "mv-common.h" + +/* ST M25P40 */ +#undef CONFIG_SPI_FLASH_MACRONIX +#define CONFIG_SPI_FLASH_STMICRO +#undef CONFIG_ENV_SPI_MAX_HZ +#define CONFIG_ENV_SPI_MAX_HZ 25000000 +#undef CONFIG_SF_DEFAULT_SPEED +#define CONFIG_SF_DEFAULT_SPEED 25000000 + + +#undef CONFIG_SYS_PROMPT +#define CONFIG_SYS_PROMPT "=> " +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " + +/* + * Environment variables configurations + */ +#ifdef CONFIG_SPI_FLASH +#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_SYS_MAX_FLASH_SECT 8 +#define CONFIG_ENV_IS_IN_SPI_FLASH 1 +#define CONFIG_ENV_SECT_SIZE 0x10000 /* 64K */ +#else +#define CONFIG_ENV_IS_NOWHERE +#endif + +#define CONFIG_ENV_SIZE 0x10000 /* 64k */ +#define CONFIG_ENV_OFFSET 0x70000 /* env starts here */ + +/* + * Default environment variables + */ +#define CONFIG_LOADADDR 0x00800000 +#define CONFIG_BOOTCOMMAND "run bootcmd_${bootsource}" +#define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/sda2" +#define CONFIG_EXTRA_ENV_SETTINGS \ + "bootsource=hdd\0" \ + "hdpart=0:1\0" \ + "bootcmd_net=bootp 0x00100000 uImage " \ + "&& tftpboot 0x00800000 uInitrd " \ + "&& bootm 0x00100000 0x00800000\0" \ + "bootcmd_hdd=ide reset " \ + "&& ext2load ide ${hdpart} 0x00100000 /uImage " \ + "&& ext2load ide ${hdpart} 0x00800000 /uInitrd " \ + "&& bootm 0x00100000 0x00800000\0" \ + "bootcmd_usb=usb start " \ + "&& fatload usb 0:1 0x00100000 /uImage " \ + "&& fatload usb 0:1 0x00800000 /uInitrd " \ + "&& bootm 0x00100000 0x00800000\0" \ + "bootcmd_rescue=run config_nc_dhcp; run nc\0" \ + "eraseenv=sf probe 0 " \ + "&& sf erase " MK_STR(CONFIG_ENV_OFFSET) \ + " +" MK_STR(CONFIG_ENV_SIZE) "\0" \ + "config_nc_dhcp=setenv autoload_old ${autoload}; " \ + "setenv autoload no " \ + "&& bootp " \ + "&& setenv ncip ${serverip} " \ + "&& setenv autoload ${autoload_old}; " \ + "setenv autoload_old\0" \ + "standard_env=setenv ipaddr; setenv netmask; setenv serverip; " \ + "setenv ncip; setenv gatewayip; setenv ethact; " \ + "setenv bootfile; setenv dnsip; " \ + "setenv bootsource hdd; run ser\0" \ + "restore_env=run standard_env; saveenv; reset\0" \ + "ser=setenv stdin serial; setenv stdout serial; " \ + "setenv stderr serial\0" \ + "nc=setenv stdin nc; setenv stdout nc; setenv stderr nc\0" \ + "stdin=serial\0" \ + "stdout=serial\0" \ + "stderr=serial\0" + +/* + * Ethernet Driver configuration + */ +#ifdef CONFIG_CMD_NET +#define CONFIG_MVGBE_PORTS {0, 1} /* enable port 1 only */ +#define CONFIG_PHY_BASE_ADR 7 +#endif /* CONFIG_CMD_NET */ + +#ifdef CONFIG_CMD_IDE +#undef CONFIG_IDE_LED +#undef CONFIG_SYS_IDE_MAXBUS +#define CONFIG_SYS_IDE_MAXBUS 1 +#undef CONFIG_SYS_IDE_MAXDEVICE +#define CONFIG_SYS_IDE_MAXDEVICE 1 +#define CONFIG_SYS_ATA_IDE0_OFFSET MV_SATA_PORT0_OFFSET +#endif + +#endif /* _CONFIG_LSXL_H */