November 2010 - U-Boot

[U-Boot] [PATCH 0/5] New environment code
by Wolfgang Denk 17 Jan '11

17 Jan '11

The following patch series adds some utilities (qsort and hash table based database functions) and uses these to reimplement the code used for the internal handling of environment variables. Motivation: * Old environment code used a pessimizing implementation: - variable lookup used linear search => slow - changed/added variables were added at the end, i. e. most frequently used variables had the slowest access times => slow - each setenv() would calculate the CRC32 checksum over the whole environment block => slow * "redundant" envrionment was locked down to two copies * No easy way to implement features like "reset to factory defaults", or to select one out of several pre-defined (previously saved) sets of environment settings ("profiles") * No easy way to import or export environment settings ====================================================================== API Changes: - Variable names starting with '#' are no longer allowed I didn't find any such variable names being used; it is highly recommended to follow standard conventions and start variable names with an alphanumeric character - "printenv" will now print a backslash at the end of all but the last lines of a multi-line variable value. Multi-line variables have never been formally defined, allthough there is no reason not to use them. Now we define rules how to deal with them, allowing for import and export. - Function forceenv() and the related code in saveenv() was removed. At the moment this is causing build problems for the only user of this code (schmoogie - which has no entry in MAINTAINERS); may be fixed later by implementing the "env set -f" feature. Inconsistencies: - "printenv" will '\\'-escape the '\n' in multi-line variables, while "printenv var" will not do that. ====================================================================== Advantages: - "printenv" output much better readable (sorted) - faster! - extendable (additional variable properties can be added) - new, powerful features like "factory reset" or easy switching between several different environment settings ("profiles") Disadvantages: - Image size grows by typically 5...7 KiB (might shrink a bit again on systems with redundant environment with a following patch series) ====================================================================== Implemented: - env command with subcommands: - env print [arg ...] same as "printenv": print environment - env set [-f] name [arg ...] same as "setenv": set (and delete) environment variables ["-f" - force setting even for read-only variables - not implemented yet.] - end delete [-f] name not implemented yet ["-f" - force delete even for read-only variables] - env save same as "saveenv": save environment - env export [-t | -b | -c] addr [size] export internal representation (hash table) in formats usable for persistent storage or processing: -t: export as text format; if size is given, data will be padded with '\0' bytes; if not, one terminating '\0' will be added (which is included in the "filesize" setting so you can for exmple copy this to flash and keep the termination). -b: export as binary format (name=value pairs separated by '\0', list end marked by double "\0\0") -c: export as checksum protected environment format as used for example by "saveenv" command addr: memory address where environment gets stored size: size of output buffer With "-c" and size is NOT given, then the export command will format the data as currently used for the persistent storage, i. e. it will use CONFIG_ENV_SECT_SIZE as output block size and prepend a valid CRC32 checksum and, in case of resundant environment, a "current" redundancy flag. If size is given, this value will be used instead of CONFIG_ENV_SECT_SIZE; again, CRC32 checksum and redundancy flag will be inserted. With "-b" and "-t", always only the real data (including a terminating '\0' byte) will be written; here the optional size argument will be used to make sure not to overflow the user provided buffer; the command will abort if the size is not sufficient. Any remainign space will be '\0' padded. On successful return, the variable "filesize" will be set. Note that filesize includes the trailing/terminating '\0' byte(s). Usage szenario: create a text snapshot/backup of the current settings: => env export -t 100000 => era ${backup_addr} +${filesize} => cp.b 100000 ${backup_addr} ${filesize} Re-import this snapshot, deleting all other settings: => env import -d -t ${backup_addr} - env import [-d] [-t | -b | -c] addr [size] import external format (text or binary) into hash table, optionally deleting existing values: -d: delete existing environment before importing; otherwise overwrite / append to existion definitions -t: assume text format; either "size" must be given or the text data must be '\0' terminated -b: assume binary format ('\0' separated, "\0\0" terminated) -c: assume checksum protected environment format addr: memory address to read from size: length of input data; if missing, proper '\0' termination is mandatory - env default -f reset default environment: drop all environment settings and load default environment - env ask name [message] [size] same as "askenv": ask for environment variable - env edit name same as "editenv": edit environment variable - env run same as "run": run commands in an environment variable ====================================================================== TODO: - drop default env as implemented now; provide a text file based initialization instead (eventually using several text files to incrementally build it from common blocks) and a tool to convert it into a binary blob / object file. - It would be nice if we could add wildcard support for environment variables; this is needed for variable name auto-completion, but it would also be nice to be able to say "printenv ip*" or "printenv *addr*" - Some boards don't link any more due to the grown code size: AR405, CANBT, DU405, PMC440, canyonlands, sc3, sequoia, socrates. => cc: Matthias Fuchs <matthias.fuchs(a)esd-electronics.com>, Stefan Roese <sr(a)denx.de>, Heiko Schocher <hs(a)denx.de> - Dropping forceenv() causes build problems on schmoogie => cc: Sergey Kubushyn <ksi(a)koi8.net> - Build tested on PPC and ARM only; runtime tested with NOR and NAND flash only => needs testing!! Wolfgang Denk (5): Add basic errno support. Add qsort - add support for sorting data arrays Add hash table support as base for new environment code Remove support for CONFIG_HAS_UID and "forceenv" command New implementation for internal handling of environment variables. README | 8 + board/zeus/zeus.c | 25 +- common/cmd_nvedit.c | 668 ++++++++++++++++++++++---------- common/command.c | 3 +- common/dlmalloc.c | 25 +- common/env_common.c | 125 +++--- common/env_dataflash.c | 114 ++++-- common/env_eeprom.c | 85 +++-- common/env_flash.c | 245 +++++++------ common/env_mgdisk.c | 33 +- common/env_nand.c | 188 +++++---- common/env_nowhere.c | 11 +- common/env_nvram.c | 46 ++- common/env_onenand.c | 65 ++-- common/env_sf.c | 132 ++++--- common/exports.c | 4 - include/_exports.h | 1 - include/common.h | 7 +- include/configs/MVSMR.h | 1 - include/configs/davinci_schmoogie.h | 1 - include/environment.h | 5 +- include/errno.h | 9 + include/exports.h | 3 - include/search.h | 106 +++++ lib/Makefile | 3 + lib/errno.c | 1 + lib/hashtable.c | 735 +++++++++++++++++++++++++++++++++++ lib/qsort.c | 69 ++++ 28 files changed, 1998 insertions(+), 720 deletions(-) create mode 100644 include/errno.h create mode 100644 include/search.h create mode 100644 lib/errno.c create mode 100644 lib/hashtable.c create mode 100644 lib/qsort.c

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[U-Boot] [PATCH] boot cmds: convert to getenv_yesno() with autostart
by Mike Frysinger 11 Jan '11

11 Jan '11

Use the new helper func to clean up duplicate logic handling of the autostart env var. Signed-off-by: Mike Frysinger <vapier(a)gentoo.org> --- common/cmd_fdc.c | 3 +-- common/cmd_fdos.c | 2 +- common/cmd_ide.c | 2 +- common/cmd_nand.c | 4 ++-- common/cmd_net.c | 2 +- common/cmd_scsi.c | 2 +- common/cmd_usb.c | 2 +- 7 files changed, 8 insertions(+), 9 deletions(-) diff --git a/common/cmd_fdc.c b/common/cmd_fdc.c index 831a07f..1655bdc 100644 --- a/common/cmd_fdc.c +++ b/common/cmd_fdc.c @@ -721,7 +721,6 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) image_header_t *hdr; /* used for fdc boot */ unsigned char boot_drive; int i,nrofblk; - char *ep; int rcode = 0; #if defined(CONFIG_FIT) const void *fit_hdr = NULL; @@ -824,7 +823,7 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) load_addr = addr; /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { + if (getenv_yesno("autostart")) { char *local_args[2]; extern int do_bootm (cmd_tbl_t *, int, int, char *[]); diff --git a/common/cmd_fdos.c b/common/cmd_fdos.c index a8822d9..5bb5c64 100644 --- a/common/cmd_fdos.c +++ b/common/cmd_fdos.c @@ -99,7 +99,7 @@ int do_fdosboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) size, load_addr); /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { + if (getenv_yesno("autostart")) { char *local_args[2]; extern int do_bootm (cmd_tbl_t *, int, int, char *[]); local_args[0] = argv[0]; diff --git a/common/cmd_ide.c b/common/cmd_ide.c index ea0f4a7..f684e78 100644 --- a/common/cmd_ide.c +++ b/common/cmd_ide.c @@ -496,7 +496,7 @@ int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) load_addr = addr; /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { + if (getenv_yesno("autostart")) { char *local_args[2]; extern int do_bootm (cmd_tbl_t *, int, int, char *[]); diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 634d036..f79bd6d 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -711,7 +711,7 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, ulong offset, ulong addr, char *cmd) { int r; - char *ep, *s; + char *s; size_t cnt; image_header_t *hdr; #if defined(CONFIG_FIT) @@ -787,7 +787,7 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, load_addr = addr; /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) { + if (getenv_yesno("autostart")) { char *local_args[2]; extern int do_bootm(cmd_tbl_t *, int, int, char *[]); diff --git a/common/cmd_net.c b/common/cmd_net.c index 44d17db..3320104 100644 --- a/common/cmd_net.c +++ b/common/cmd_net.c @@ -213,7 +213,7 @@ netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char * const argv[]) flush_cache(load_addr, size); /* Loading ok, check if we should attempt an auto-start */ - if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) { + if (getenv_yesno("autostart")) { char *local_args[2]; local_args[0] = argv[0]; local_args[1] = NULL; diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c index 6b937f9..0a3dd07 100644 --- a/common/cmd_scsi.c +++ b/common/cmd_scsi.c @@ -327,7 +327,7 @@ int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) flush_cache (addr, (cnt+1)*info.blksz); /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { + if (getenv_yesno("autostart")) { char *local_args[2]; extern int do_bootm (cmd_tbl_t *, int, int, char *[]); local_args[0] = argv[0]; diff --git a/common/cmd_usb.c b/common/cmd_usb.c index 226ea0d..a7cffa5 100644 --- a/common/cmd_usb.c +++ b/common/cmd_usb.c @@ -488,7 +488,7 @@ int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) flush_cache(addr, (cnt+1)*info.blksz); /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) { + if (getenv_yesno("autostart")) { char *local_args[2]; extern int do_bootm(cmd_tbl_t *, int, int, char *[]); local_args[0] = argv[0]; -- 1.7.3.1

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[U-Boot] [PATCH] Clarify applicable licensing terms in COPYING file.
by Wolfgang Denk 09 Jan '11

09 Jan '11

Signed-off-by: Wolfgang Denk <wd(a)denx.de> --- COPYING | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/COPYING b/COPYING index f616ab9..9930863 100644 --- a/COPYING +++ b/COPYING @@ -1,4 +1,11 @@ - NOTE! This copyright does *not* cover the so-called "standalone" + U-Boot is free software. It is copyrighted by Wolfgang Denk and +many others who contributed code (see the actual source code for +details). You can redistribute U-Boot 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 (see text +below), or (at your option) any later version. + + NOTE! This license does *not* cover the so-called "standalone" applications that use U-Boot services by means of the jump table provided by U-Boot exactly for this purpose - this is merely considered normal use of U-Boot, and does *not* fall under the -- 1.6.2.5

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[U-Boot] x-loader question
by John Tobias 04 Jan '11

04 Jan '11

Hi Guys, I have a bit problem here and may be you can help some idea to debug x-loader (please see the log messages below). I am using a micro-sd card with FAT16 partition. I boot my board using the the sd card, the x-loader execute and loads the u-boot.bin at address location 0x80e80000. But, after executing this ((init_fnc_t *)CFG_LOADADDR)(); instead of executing the u-boot, it executed the hang function. Any clues? Regards, john X-Loader 1.41 (Oct 1 2010 - 16:13:39) mmc_read_cardsize: mmc_dev_data->mode =0, SECTOR_MODE = 1, mmc_dev_data->card_type = 1, SD_CARD = 1 else: cur_csd->c_size_mult = 7,cur_csd->read_bl_len = 10 size = 1977614336 blknr = 0, blkcnt = 1, MCSD_SECTOR_SIZE = 512 Calling mmc_get_dev... Calling fat_register_device... blknr = 0, blkcnt = 1, MCSD_SECTOR_SIZE = 512 Reading u-boot.bin... mem location = 0x80060000 Section size = 512, mydata->fatsize = 0 Reading boot sector blknr = 63, blkcnt = 1, MCSD_SECTOR_SIZE = 512 FAT16, fatlength: 141 Rootdir begins at sector: 283, offset: 23600, size: 32 Data begins at: 307 Cluster size: 4 Copying filename u-boot.bin to fnamecopy blknr = 346, blkcnt = 4, MCSD_SECTOR_SIZE = 512 fnamecopy = u-boot.bin, s_name = mlo, l_name = RootMismatch: |mlo|| fnamecopy = u-boot.bin, s_name = u-boot.bin, l_name = RootName: u-boot.bin, start: 0xb1, size: 0x25f94 buffer address = 0x80060000 Filesize: 155540 bytes Reading: 155540 bytes blknr = 64, blkcnt = 6, MCSD_SECTOR_SIZE = 512 blknr = 1078, blkcnt = 300, MCSD_SECTOR_SIZE = 512 blknr = 1378, blkcnt = 3, MCSD_SECTOR_SIZE = 512 blknr = 1381, blkcnt = 1, MCSD_SECTOR_SIZE = 512 Size: 155540, got: 155540 ret = 155540 file_fat_read: do_fat_read_ret = 155540 mmc_read_bootloader: file_fat_read: ret_size = 155540 mmc_read_bootloader: seems got the data... CFG_LOADADDR Address = 80e80000, fnamecopy = u-boot.bin Starting OS Bootloader from MMC/SD1 ... X-Loader hangs

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[U-Boot] [PATCH] ppc4xx: Generic architecture for xilinx ppc405(v3)
by Ricardo Ribalda Delgado 24 Dec '10

24 Dec '10

As "ppc44x: Unification of virtex5 pp440 boards" did for the xilinx ppc440 boards, this patch presents a common architecture for all the xilinx ppc405 boards. Any custom xilinx ppc405 board can be added very easily with no code duplicity. This patch also adds a simple generic board, that can be used on almost any design with xilinx ppc405 replacing the file ppc405-generic/xparameters.h This patch is prepared to work with the latest version of EDK (10.1) Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda(a)uam.es> --- v2 Includes changes propossed by Stefan Roese -Remove unneeded init.S -PPC404 ->PPC405 v3 rebased to ppc4xx/master CREDITS | 1 + MAINTAINERS | 1 + Makefile | 16 ++ board/xilinx/ppc405-generic/.gitignore | 1 + board/xilinx/ppc405-generic/Makefile | 60 ++++++++ board/xilinx/ppc405-generic/config.mk | 25 ++++ board/xilinx/ppc405-generic/u-boot-ram.lds | 134 ++++++++++++++++++ board/xilinx/ppc405-generic/u-boot-rom.lds | 144 ++++++++++++++++++++ .../xilinx/ppc405-generic/xilinx_ppc405_generic.c | 59 ++++++++ board/xilinx/ppc405-generic/xparameters.h | 36 +++++ cpu/ppc4xx/start.S | 3 +- include/configs/xilinx-ppc405-generic.h | 58 ++++++++ include/configs/xilinx-ppc405.h | 126 +++++++++++++++++ 13 files changed, 663 insertions(+), 1 deletions(-) create mode 100644 board/xilinx/ppc405-generic/.gitignore create mode 100644 board/xilinx/ppc405-generic/Makefile create mode 100644 board/xilinx/ppc405-generic/config.mk create mode 100644 board/xilinx/ppc405-generic/u-boot-ram.lds create mode 100644 board/xilinx/ppc405-generic/u-boot-rom.lds create mode 100644 board/xilinx/ppc405-generic/xilinx_ppc405_generic.c create mode 100644 board/xilinx/ppc405-generic/xparameters.h create mode 100644 include/configs/xilinx-ppc405-generic.h create mode 100644 include/configs/xilinx-ppc405.h diff --git a/CREDITS b/CREDITS index 3767322..9ddf0d2 100644 --- a/CREDITS +++ b/CREDITS @@ -407,6 +407,7 @@ N: Ricardo Ribalda Delgado E: ricardo.ribalda(a)uam.es D: PPC440x5 (Virtex5), ML507 Board, eeprom_simul, adt7460, v5fx30teval D: Virtex ppc440 generic architecture +D: Virtex ppc405 generic architecture W: http://www.ii.uam.es/~rribalda N: Stefan Roese diff --git a/MAINTAINERS b/MAINTAINERS index 60cb6a6..a5d1038 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -320,6 +320,7 @@ Ricardo Ribalda <ricardo.ribalda(a)uam.es> ml507 PPC440x5 v5fx30teval PPC440x5 xilinx-pp440-generic PPC440x5 + xilinx-pp405-generic PPC405 Stefan Roese <sr(a)denx.de> diff --git a/Makefile b/Makefile index fceb8a2..66922eb 100644 --- a/Makefile +++ b/Makefile @@ -1518,6 +1518,22 @@ sycamore_config: unconfig WUH405_config: unconfig @$(MKCONFIG) $(@:_config=) ppc ppc4xx wuh405 esd +xilinx-ppc405-generic_flash_config: unconfig + @mkdir -p $(obj)include $(obj)board/xilinx/ppc405-generic + @echo "LDSCRIPT:=$(SRCTREE)/board/xilinx/ppc405-generic/u-boot-rom.lds"\ + > $(obj)board/xilinx/ppc405-generic/config.tmp + @echo "TEXT_BASE := 0xFE360000" \ + >> $(obj)board/xilinx/ppc405-generic/config.tmp + @$(MKCONFIG) xilinx-ppc405-generic ppc ppc4xx ppc405-generic xilinx + +xilinx-ppc405-generic_config: unconfig + @mkdir -p $(obj)include $(obj)board/xilinx/ppc405-generic + @echo "LDSCRIPT:=$(SRCTREE)/board/xilinx/ppc405-generic/u-boot-ram.lds"\ + > $(obj)board/xilinx/ppc405-generic/config.tmp + @echo "TEXT_BASE := 0x04000000" \ + >> $(obj)board/xilinx/ppc405-generic/config.tmp + @$(MKCONFIG) xilinx-ppc405-generic ppc ppc4xx ppc405-generic xilinx + xilinx-ppc440-generic_flash_config: unconfig @mkdir -p $(obj)include $(obj)board/xilinx/ppc440-generic @echo "LDSCRIPT:=$(SRCTREE)/board/xilinx/ppc440-generic/u-boot-rom.lds"\ diff --git a/board/xilinx/ppc405-generic/.gitignore b/board/xilinx/ppc405-generic/.gitignore new file mode 100644 index 0000000..b644f59 --- /dev/null +++ b/board/xilinx/ppc405-generic/.gitignore @@ -0,0 +1 @@ +config.tmp diff --git a/board/xilinx/ppc405-generic/Makefile b/board/xilinx/ppc405-generic/Makefile new file mode 100644 index 0000000..b56bb49 --- /dev/null +++ b/board/xilinx/ppc405-generic/Makefile @@ -0,0 +1,60 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd(a)denx.de. +# +# (C) Copyright 2008 +# Ricardo Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda(a)uam.es +# Work supported by Qtechnology http://www.qtec.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., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk +ifneq ($(OBJTREE),$(SRCTREE)) +endif + +INCS := +CFLAGS += $(INCS) +HOST_CFLAGS += $(INCS) + +LIB = $(obj)lib$(BOARD).a + +COBJS += ../../xilinx/ppc405-generic/xilinx_ppc405_generic.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $^ + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/xilinx/ppc405-generic/config.mk b/board/xilinx/ppc405-generic/config.mk new file mode 100644 index 0000000..6d76755 --- /dev/null +++ b/board/xilinx/ppc405-generic/config.mk @@ -0,0 +1,25 @@ +# +# (C) Copyright 2008 +# Ricardo Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda(a)uam.es +# Work supported by Qtechnology http://www.qtec.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., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp diff --git a/board/xilinx/ppc405-generic/u-boot-ram.lds b/board/xilinx/ppc405-generic/u-boot-ram.lds new file mode 100644 index 0000000..0004d61 --- /dev/null +++ b/board/xilinx/ppc405-generic/u-boot-ram.lds @@ -0,0 +1,134 @@ +/* + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd(a)denx.de. + * + * 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 + */ + +OUTPUT_ARCH(powerpc) +ENTRY(_start) + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + + ppcenv_assert = ASSERT(. < 0xFFFFB000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified."); + + _end = . ; + PROVIDE (end = .); +} diff --git a/board/xilinx/ppc405-generic/u-boot-rom.lds b/board/xilinx/ppc405-generic/u-boot-rom.lds new file mode 100644 index 0000000..d2bac9f --- /dev/null +++ b/board/xilinx/ppc405-generic/u-boot-rom.lds @@ -0,0 +1,144 @@ +/* + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd(a)denx.de. + * + * 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 + */ + +OUTPUT_ARCH(powerpc) +ENTRY(_start) + +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + .bootpg 0xFFFFF000 : + { + cpu/ppc4xx/start.o (.bootpg) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + + ppcenv_assert = ASSERT(. < 0xFFFFB000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified."); + + _end = . ; + PROVIDE (end = .); +} diff --git a/board/xilinx/ppc405-generic/xilinx_ppc405_generic.c b/board/xilinx/ppc405-generic/xilinx_ppc405_generic.c new file mode 100644 index 0000000..9bd1770 --- /dev/null +++ b/board/xilinx/ppc405-generic/xilinx_ppc405_generic.c @@ -0,0 +1,59 @@ +/* + * (C) Copyright 2008 + * Ricado Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda(a)uam.es + * This work has been supported by: QTechnology http://qtec.com/ + * + * 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, see <http://www.gnu.org/licenses/>. +*/ + +#include <config.h> +#include <common.h> +#include <asm/processor.h> + +ulong __get_PCI_freq(void) +{ + return 0; +} + +ulong get_PCI_freq(void) __attribute__((weak, alias("__get_PCI_freq"))); + +int __board_pre_init(void) +{ + return 0; +} +int board_pre_init(void) __attribute__((weak, alias("__board_pre_init"))); + +int __checkboard(void) +{ + puts("Xilinx PPC405 Generic Board\n"); + return 0; +} +int checkboard(void) __attribute__((weak, alias("__checkboard"))); + +phys_size_t __initdram(int board_type) +{ + return get_ram_size(XPAR_DDR2_SDRAM_MEM_BASEADDR, + CONFIG_SYS_SDRAM_SIZE_MB * 1024 * 1024); +} +phys_size_t initdram(int) __attribute__((weak, alias("__initdram"))); + +void __get_sys_info(sys_info_t *sysInfo) +{ + sysInfo->freqProcessor = XPAR_CORE_CLOCK_FREQ_HZ; + sysInfo->freqPLB = XPAR_PLB_CLOCK_FREQ_HZ; + sysInfo->freqPCI = 0; + + return; +} +void get_sys_info(sys_info_t *) __attribute__((weak, alias("__get_sys_info"))); diff --git a/board/xilinx/ppc405-generic/xparameters.h b/board/xilinx/ppc405-generic/xparameters.h new file mode 100644 index 0000000..e8e8ced --- /dev/null +++ b/board/xilinx/ppc405-generic/xparameters.h @@ -0,0 +1,36 @@ +/* + * (C) Copyright 2008 + * Ricado Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda(a)uam.es + * This work has been supported by: QTechnology http://qtec.com/ + * based on xparameters-ml507.h by Xilinx + * + * 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, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef XPARAMETER_H +#define XPARAMETER_H + +#define XPAR_DDR2_SDRAM_MEM_BASEADDR 0x00000000 +#define XPAR_IIC_EEPROM_BASEADDR 0x81600000 +#define XPAR_INTC_0_BASEADDR 0x81800000 +#define XPAR_SPI_0_BASEADDR 0x83400000 +#define XPAR_UARTLITE_0_BASEADDR 0x84000000 +#define XPAR_FLASH_MEM0_BASEADDR 0xFE000000 +#define XPAR_PLB_CLOCK_FREQ_HZ 100000000 +#define XPAR_CORE_CLOCK_FREQ_HZ 400000000 +#define XPAR_INTC_MAX_NUM_INTR_INPUTS 13 +#define XPAR_UARTLITE_0_BAUDRATE 9600 +#define XPAR_SPI_0_NUM_TRANSFER_BITS 8 + +#endif diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 31902a0..882ef21 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -918,7 +918,8 @@ _start: ori r4, r4, CONFIG_SYS_DCACHE_SACR_VALUE@l mtdccr r4 -#if !(defined(CONFIG_SYS_EBC_PB0AP) && defined(CONFIG_SYS_EBC_PB0CR)) +#if !(defined(CONFIG_SYS_EBC_PB0AP) && defined(CONFIG_SYS_EBC_PB0CR))\ + && !defined (CONFIG_XILINX_405) /*----------------------------------------------------------------------- */ /* Tune the speed and size for flash CS0 */ /*----------------------------------------------------------------------- */ diff --git a/include/configs/xilinx-ppc405-generic.h b/include/configs/xilinx-ppc405-generic.h new file mode 100644 index 0000000..5036c62 --- /dev/null +++ b/include/configs/xilinx-ppc405-generic.h @@ -0,0 +1,58 @@ +/* + * + * (C) Copyright 2008 + * Ricado Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda(a)uam.es + * This work has been supported by: QTechnology http://qtec.com/ + * + * (C) Copyright 2008 + * Georg Schardt <schardt(a)team-ctech.de> + * + * 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 + */ +#ifndef __CONFIG_GEN_H +#define __CONFIG_GEN_H + +#include "../board/xilinx/ppc405-generic/xparameters.h" + +/* sdram */ +#define CONFIG_SYS_SDRAM_SIZE_MB 256 + +/* environment */ +#define CONFIG_ENV_IS_IN_FLASH 1 +#define CONFIG_ENV_SIZE 0x10000 +#define CONFIG_ENV_SECT_SIZE 0x10000 +#define CONFIG_SYS_ENV_OFFSET 0x3F0000 +#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE+CONFIG_SYS_ENV_OFFSET) +#define CONFIG_ENV_OVERWRITE 1 + +/*Misc*/ +#define CONFIG_SYS_PROMPT "xlx-ppc405:/# " /* Monitor Command Prompt */ +#define CONFIG_PREBOOT "echo U-Boot is up and runnining;" + +/*Flash*/ +#define CONFIG_SYS_FLASH_BASE XPAR_FLASH_MEM0_BASEADDR +#define CONFIG_SYS_FLASH_SIZE (32*1024*1024) +#define CONFIG_SYS_MAX_FLASH_SECT 71 +#define CONFIG_SYS_FLASH_CFI 1 +#define CONFIG_FLASH_CFI_DRIVER 1 +#define MTDIDS_DEFAULT "nor0=ppc405-flash" +#define MTDPARTS_DEFAULT "mtdpartsa=ppc405-flash:-(user)" + +#include <configs/xilinx-ppc405.h> +#endif /* __CONFIG_H */ diff --git a/include/configs/xilinx-ppc405.h b/include/configs/xilinx-ppc405.h new file mode 100644 index 0000000..7458470 --- /dev/null +++ b/include/configs/xilinx-ppc405.h @@ -0,0 +1,126 @@ +/* + * + * (C) Copyright 2008 + * Ricado Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda(a)uam.es + * This work has been supported by: QTechnology http://qtec.com/ + * + * (C) Copyright 2008 + * Georg Schardt <schardt(a)team-ctech.de> + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* cpu parameter */ +#define CONFIG_4xx 1 +#define CONFIG_405 1 +#define CONFIG_XILINX_405 1 + +/* memory map */ +#define CONFIG_SYS_SDRAM_BASE 0x0 +#define CONFIG_SYS_MONITOR_BASE TEXT_BASE +#define CONFIG_SYS_MONITOR_LEN (192 * 1024) +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024) + +/* u-boot commands configuration */ +#include <config_cmd_default.h> + +/*Misc*/ +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ + + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */ +#define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */ +#define CONFIG_SYS_MEMTEST_END 0x00C00000 /* 4 ... 12 MB in DRAM */ +#define CONFIG_SYS_LOAD_ADDR 0x01000000 /* default load address */ +#define CONFIG_SYS_EXTBDINFO 1 /* Extended board_into (bd_t) */ +#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ +#define CONFIG_CMDLINE_EDITING /* add command line history */ +#define CONFIG_AUTO_COMPLETE /* add autocompletion support */ +#define CONFIG_LOOPW /* enable loopw command */ +#define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */ +#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ +#define CONFIG_VERSION_VARIABLE /* include version env variable */ +#define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup */ +#define CONFIG_SYS_HUSH_PARSER /* Use the HUSH parser */ +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_LOADS_ECHO /* echo on for serial download */ +#define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */ +#define CONFIG_SYS_BOOTMAPSZ (8 << 20) + /* Initial Memory map for Linux */ +#define CONFIG_SYS_CACHELINE_SIZE 32 +#define CONFIG_SYS_CACHELINE_SHIFT 2 + +/* stack */ +#define CONFIG_SYS_INIT_RAM_ADDR 0x800000 /* inside of SDRAM */ +#define CONFIG_SYS_INIT_RAM_END 0x2000 /* End of used area in RAM */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 +#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - \ + CONFIG_SYS_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET + +#define CONFIG_SYS_FLASH_CF 1 +#define CONFIG_FLASH_CFI_DRIVER 1 +#define CONFIG_SYS_FLASH_EMPTY_INFO 1 +#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_SYS_FLASH_PROTECTION + +/* serial communication */ +#ifdef XPAR_UARTLITE_0_BASEADDR +#define CONFIG_XILINX_UARTLITE +#define CONFIG_SERIAL_BASE XPAR_UARTLITE_0_BASEADDR +#define CONFIG_BAUDRATE XPAR_UARTLITE_0_BAUDRATE +#define CONFIG_SYS_BAUDRATE_TABLE { CONFIG_BAUDRATE } +#else +#ifdef XPAR_UARTNS550_0_BASEADDR +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE 4 +#define CONFIG_CONS_INDEX 1 +#define CONFIG_SYS_NS16550_COM1 XPAR_UARTNS550_0_BASEADDR +#define CONFIG_SYS_NS16550_CLK XPAR_UARTNS550_0_CLOCK_FREQ_HZ +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 115200 } +#endif +#endif + +/* cmd config */ +#define CONFIG_CMD_ASKENV +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_DIAG +#define CONFIG_CMD_ELF +#define CONFIG_CMD_IRQ +#define CONFIG_CMD_REGINFO +#define CONFIG_CMD_JFFS2 +#define CONFIG_JFFS2_CMDLINE +#undef CONFIG_CMD_SPI +#undef CONFIG_CMD_I2C +#undef CONFIG_CMD_DTT +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_PING +#undef CONFIG_CMD_DHCP +#undef CONFIG_CMD_EEPROM +#undef CONFIG_CMD_IMLS + +#endif -- 1.5.6.5

4 5

[U-Boot] [STATUS] v2009.08-rc3 is out
by Wolfgang Denk 22 Dec '10

22 Dec '10

Hi everybody... v2009.08-rc3 has just been released. Please help testing, and submit fixes to the remaining problems. Things still missing should be submitted ASAP. * Many boards now throw the (expected) #warning Ethernet driver is deprecated. Please update to use CONFIG_NET_MULTI messages. * ARM, MIPS and PowerPC: mostly compile clean; there are a few issues (mostly harmless) - responsibles have been notified Comments and fixes welcome. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd(a)denx.de 'What shall we do?' said Twoflower. 'Panic?' said Rincewind hope- fully. He always held that panic was the best means of survival; back in the olden days, his theory went, people faced with hungry sabre- toothed tigers could be divided very simply in those who panicked and those who stood there saying 'What a magnificent brute!' or 'Here, pussy.' - Terry Pratchett, _The Light Fantastic_

5 10

[U-Boot] [PATCH] s3c44b0/start.S: should clear .bss
by Ender Dai 22 Dec '10

22 Dec '10

.bss section should be zeroed out after relocat to ram. Signed-off-by: Ender Dai <ender.dai(a)gmail.com> --- arch/arm/cpu/s3c44b0/start.S | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S index fe6b349..08722c1 100644 --- a/arch/arm/cpu/s3c44b0/start.S +++ b/arch/arm/cpu/s3c44b0/start.S @@ -164,6 +164,15 @@ stack_setup: #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ +clear_bss: + ldr r0, _bss_start /* find start of bss segment */ + ldr r1, _bss_end /* stop here */ + mov r2, #0x00000000 /* clear */ +clbss_l:str r2, [r0] /* clear loop... */ + add r0, r0, #4 + cmp r0, r1 + blt clbss_l + ldr pc, _start_armboot _start_armboot: .word start_armboot -- 1.5.6

2 1

[U-Boot] [PATCH] Blackfin: dnp5370: new board port
by Mike Frysinger 19 Dec '10

19 Dec '10

From: Andreas Schallenberg <Andreas.Schallenberg(a)3alitydigital.de> Info about the hardware can be found here: http://www.dilnetpc.com/dnp0086.htm Signed-off-by: Andreas Schallenberg <Andreas.Schallenberg(a)3alitydigital.de> Signed-off-by: Mike Frysinger <vapier(a)gentoo.org> --- board/dnp5370/Makefile | 54 ++++++++++++++++++++ board/dnp5370/config.mk | 29 +++++++++++ board/dnp5370/dnp5370.c | 104 +++++++++++++++++++++++++++++++++++++++ boards.cfg | 1 + doc/README.dnp5370 | 67 +++++++++++++++++++++++++ include/configs/dnp5370.h | 119 +++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 374 insertions(+), 0 deletions(-) create mode 100644 board/dnp5370/Makefile create mode 100644 board/dnp5370/config.mk create mode 100644 board/dnp5370/dnp5370.c create mode 100644 doc/README.dnp5370 create mode 100644 include/configs/dnp5370.h diff --git a/board/dnp5370/Makefile b/board/dnp5370/Makefile new file mode 100644 index 0000000..bfeaf79 --- /dev/null +++ b/board/dnp5370/Makefile @@ -0,0 +1,54 @@ +# +# U-boot - Makefile +# +# Copyright (c) 2005-2007 Analog Device Inc. +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd(a)denx.de. +# +# 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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS-y := $(BOARD).o + +SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS-y)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/dnp5370/config.mk b/board/dnp5370/config.mk new file mode 100644 index 0000000..8227506 --- /dev/null +++ b/board/dnp5370/config.mk @@ -0,0 +1,29 @@ +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2001 +# Wolfgang Denk, DENX Software Engineering, wd(a)denx.de. +# +# 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 +# + +# This is not actually used for Blackfin boards so do not change it +#TEXT_BASE = do-not-use-me + +CONFIG_BFIN_CPU = bf537-0.3 diff --git a/board/dnp5370/dnp5370.c b/board/dnp5370/dnp5370.c new file mode 100644 index 0000000..da9eb5f --- /dev/null +++ b/board/dnp5370/dnp5370.c @@ -0,0 +1,104 @@ +/* + * U-boot - main board file + * + * (C) Copyright 2010 3ality Digital Systems + * + * Copyright (c) 2005-2008 Analog Devices Inc. + * + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd(a)denx.de. + * + * 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 St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <common.h> +#include <config.h> +#include <asm/blackfin.h> +#include <asm/net.h> +#include <net.h> +#include <netdev.h> +#include <asm/gpio.h> + +static void disable_external_watchdog(void) +{ +#ifdef CONFIG_DNP5370_EXT_WD_DISABLE + /* disable external HW watchdog with PH13 = WD1 = 1 */ + gpio_request(GPIO_PH13, "ext_wd"); + gpio_direction_output(GPIO_PH13, 1); +#endif +} + +int checkboard(void) +{ + printf("Board: SSV DilNet DNP5370\n"); + return 0; +} + +#ifdef CONFIG_BFIN_MAC +static void board_init_enetaddr(uchar *mac_addr) +{ +#ifdef CONFIG_SYS_NO_FLASH +# define USE_MAC_IN_FLASH 0 +#else +# define USE_MAC_IN_FLASH 1 +#endif + bool valid_mac = false; + + if (USE_MAC_IN_FLASH) { + /* we cram the MAC in the last flash sector */ + uchar *board_mac_addr = (uchar *)0x202F0000; + if (is_valid_ether_addr(board_mac_addr)) { + memcpy(mac_addr, board_mac_addr, 6); + valid_mac = true; + } + } + + if (!valid_mac) { + puts("Warning: Generating 'random' MAC address\n"); + bfin_gen_rand_mac(mac_addr); + } + + eth_setenv_enetaddr("ethaddr", mac_addr); +} + +int board_eth_init(bd_t *bis) +{ + return bfin_EMAC_initialize(bis); +} +#endif + +/* miscellaneous platform dependent initialisations */ +int misc_init_r(void) +{ + disable_external_watchdog(); + +#ifdef CONFIG_BFIN_MAC + uchar enetaddr[6]; + if (!eth_getenv_enetaddr("ethaddr", enetaddr)) + board_init_enetaddr(enetaddr); +#endif + +#ifndef CONFIG_SYS_NO_FLASH + /* we use the last sector for the MAC address / POST LDR */ + extern flash_info_t flash_info[]; + flash_protect(FLAG_PROTECT_SET, 0x202F0000, 0x202FFFFF, &flash_info[0]); +#endif + + return 0; +} diff --git a/boards.cfg b/boards.cfg index a69cb85..082ae2e 100644 --- a/boards.cfg +++ b/boards.cfg @@ -306,6 +306,7 @@ cm-bf537e blackfin blackfin cm-bf537u blackfin blackfin cm-bf548 blackfin blackfin cm-bf561 blackfin blackfin +dnp5370 blackfin blackfin ibf-dsp561 blackfin blackfin ip04 blackfin blackfin tcm-bf518 blackfin blackfin diff --git a/doc/README.dnp5370 b/doc/README.dnp5370 new file mode 100644 index 0000000..0172698 --- /dev/null +++ b/doc/README.dnp5370 @@ -0,0 +1,67 @@ +This document describes the board support for +Dil/NetPC DNP/5370 (http://www.dilnetpc.com/dnp0086.htm) module. +The distributor is SSV (http://www.ssv-embedded.de), + +The module used to develop the support files contains: + +* Processor: Blackfin BF537 Rev 0.3 (600 MHz core / 120MHz RAM) + +* RAM: 32 MB SDRAM + Hynix HY57V561620FTP-H 810EA + Connected to Blackfin via "Expansion Bus" + Address range 0x0000.0000 - 0x1fff.ffff + +* NOR flash: 32 MBit (4 MByte) + Exel Semiconductor ES29LVS320EB + Connected to Blackfin via "Expansion Bus", + Chip Selects 0, 1 and 2, each is connected + to a 1 MB memory bank at Blackfin, therefore + only 3 MB accessible. + Address range 0x2000.0000 - 0x202f.ffff + CFI compatible + + Exel Semiconductor was bought by Rohm Semiconductor (www.rohm.com). + +* NAND flash: 64 MBit (8 MByte) + Atmel 45DB642D-CNU + Connected to Blackfin via SPI + CFI compatible + +* Davicom DM9161EP Ethernet PHY + +* A SD card reader, connected via SPI + +* Hardware watchdog MAX823 or TPS3823 + +(other devices not listed here) + +To run it, the module must be inserted in a 64 pin DIL socket +on another board, e.g. DNP/EVA13 (together: SSV SK28). + +The Blackfin is booted from NOR flash. The NOR flash data begins +with the U-Boot code and is then followed by the Linux code. +Finally, the MAC is stored in the last sector. +You may need to adjust these settings to your needs. +The memory map used to develop the board support is: + +Memory map: +0x00000000 .. 0x01ffffff SDRAM +0x20000000 .. 0x202fffff NOR flash + +RAM use: +0x01f9bffc .. 0x01fbbffb U-Boot stack +0x01f9c000 .. 0x01f9ffff U-Boot global data +0x01fa0000 .. 0x01fbffff U-Boot malloc() RAM +0x01fc0000 .. 0x01ffffff U-Boot execution RAM + +NOR flash use: +0x20000000 .. 0x0002ffff U-Boot +0x20004000 .. 0x20005fff U-Boot environment +0x20030000 .. 0x202effff Linux kernel image +0x202f0000 .. 0x202fffff MAC address sector + +NOR flash is 0x00300000 (3145728) bytes large (3 MB). +Max space for compressed kernel in flash is 0x002c0000 (2883584) bytes (2.75 MB) +Max space for u-boot in flash is 0x00030000 (196608) bytes (192 KB) + +The module is hardwired to BYPASS boot mode. diff --git a/include/configs/dnp5370.h b/include/configs/dnp5370.h new file mode 100644 index 0000000..e4a42ae --- /dev/null +++ b/include/configs/dnp5370.h @@ -0,0 +1,119 @@ +/* + * U-boot - Configuration file for SSV DNP5370 board + */ + +#ifndef __CONFIG_DNP5370_H__ +#define __CONFIG_DNP5370_H__ + +/* this must come first */ +#include <asm/config-pre.h> + +/* + * Processor Settings + */ +#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_BYPASS + +/* + * Clock Settings + * CCLK = (CLKIN * VCO_MULT) / CCLK_DIV + * SCLK = (CLKIN * VCO_MULT) / SCLK_DIV + */ +#define CONFIG_CLKIN_HZ 25000000 +#define CONFIG_CLKIN_HALF 0 +#define CONFIG_PLL_BYPASS 0 +#define CONFIG_VCO_MULT 24 +#define CONFIG_CCLK_DIV 1 +#define CONFIG_SCLK_DIV 5 + +/* + * Memory Settings + */ +#define CONFIG_MEM_ADD_WDTH 9 +#define CONFIG_MEM_SIZE 32 + +#define CONFIG_EBIU_SDRRC_VAL 0x03a0 +#define CONFIG_EBIU_SDBCTL_VAL 0x0013 +#define CONFIG_EBIU_SDGCTL_VAL 0x8091998d + +#define CONFIG_EBIU_AMGCTL_VAL 0xF7 +#define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0 +#define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0 + +#define CONFIG_SYS_MONITOR_LEN (256 * 1024) +#define CONFIG_SYS_MALLOC_LEN (128 * 1024) + +/* + * Network Settings + */ +#define CONFIG_IPADDR 10.100.100.21 +#define CONFIG_NETMASK 255.255.0.0 +#define CONFIG_GATEWAYIP 10.100.100.1 +#define CONFIG_SERVERIP 10.100.100.12 +#define CONFIG_ROOTPATH /romfs + +#define CONFIG_NET_MULTI 1 +#define CONFIG_BFIN_MAC 1 +#define CONFIG_PHY_ADDR 0 +#define CONFIG_RMII 1 + +#define CONFIG_CMD_MII +#define CONFIG_CMD_PING + +/* + * Flash Settings + * + * Only 3 MB of the 4 MB NOR flash are addressable. + * But limiting the flash size does not seem to work. + * It seems the CFI detection has precedence. + */ +#define CONFIG_FLASH_CFI_DRIVER +#define CONFIG_SYS_FLASH_BASE 0x20000000 +#define CONFIG_SYS_FLASH_CFI +#define CONFIG_SYS_FLASH_PROTECTION +#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_SYS_MAX_FLASH_SECT 71 /* (M29W320EB) */ + +/* 512k reserved for u-boot */ +#define CONFIG_SYS_JFFS2_FIRST_SECTOR 15 + +/* + * Env Storage Settings + */ +#define CONFIG_ENV_IS_IN_FLASH 1 +#define CONFIG_ENV_ADDR 0x20004000 +#define CONFIG_ENV_SIZE 0x00002000 +#define CONFIG_ENV_SECT_SIZE 0x00002000 /* Total Size of Environment Sector */ +#define CONFIG_ENV_OFFSET 0x00004000 /* (CONFIG_ENV_ADDR - CONFIG_FLASH_BASE) */ + +#define ENV_IS_EMBEDDED + +/* + * Misc Settings + */ +#define CONFIG_CMD_GPIO +#define CONFIG_CMD_STRINGS +#define CONFIG_MISC_INIT_R +#define CONFIG_RTC_BFIN +#define CONFIG_SYS_LONGHELP + +/* This disables the hardware watchdog (not inside the bfin) */ +#define CONFIG_DNP5370_EXT_WD_DISABLE 1 + +#define CONFIG_UART_CONSOLE 0 +#define CONFIG_BAUDRATE 115200 +#define CONFIG_BOOTCOMMAND "bootm 0x20030000" +#define CONFIG_BOOTARGS "console=ttyBF0,115200 root=/dev/mtdblock3 rootfstype=ext2" + +/* Convenience commands to update Linux in NOR flash */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "fetchme=tftpboot 0x01000000 uImage;" \ + "iminfo\0"\ + "flashme=protect off 0x20030000 0x2003ffff;" \ + "erase 0x20030000 0x202effff;" \ + "cp.b 0x01000000 0x20030000 0x2c0000\0" \ + "runme=bootm 0x01000000\0" + +/* this sets up the default list of enabled commands */ +#include <config_cmd_default.h> + +#endif -- 1.7.3.2

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[U-Boot] [PATCH][v4] RTC driver for PT7C4338 chip.
by Priyanka Jain 17 Dec '10

17 Dec '10

PT7C4338 chip is being manufactured by Pericom Technology Inc. It is a serial real-time clock which provides: 1)Low-power clock/calendar. 2)Programmable square-wave output. It has 56 bytes of nonvolatile RAM. Signed-off-by: Priyanka Jain <Priyanka.Jain(a)freescale.com> Acked-by: Timur Tabi <timur(a)freescale.com> --- PT7C4338 RTC driver is verified on Freescale P1010RDB. Changes for v1: Incoperated Heiko's review comments -keeping the Makefile list sorted. -Removing unneccesary blank lines. Changes for v2: Incoperated Wolfgang Denk's review comments -Merging two checks of RTC Oscillator stop check into one Changes for v3: -Removing board name from pt7c4338.c file as this can be used for any board having PT7C4338 chip. Changes for v4: Incoperated Wolfgang Denk's review comments -Attaching patch change log drivers/rtc/Makefile | 1 + drivers/rtc/pt7c4338.c | 144 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 145 insertions(+), 0 deletions(-) create mode 100644 drivers/rtc/pt7c4338.c diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 98734db..bbf9a7e 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -57,6 +57,7 @@ COBJS-$(CONFIG_RTC_MPC5200) += mpc5xxx.o COBJS-$(CONFIG_RTC_MPC8xx) += mpc8xx.o COBJS-$(CONFIG_RTC_PCF8563) += pcf8563.o COBJS-$(CONFIG_RTC_PL031) += pl031.o +COBJS-$(CONFIG_RTC_PT7C4338) += pt7c4338.o COBJS-$(CONFIG_RTC_RS5C372A) += rs5c372.o COBJS-$(CONFIG_RTC_RTC4543) += rtc4543.o COBJS-$(CONFIG_RTC_RX8025) += rx8025.o diff --git a/drivers/rtc/pt7c4338.c b/drivers/rtc/pt7c4338.c new file mode 100644 index 0000000..26e2c1e --- /dev/null +++ b/drivers/rtc/pt7c4338.c @@ -0,0 +1,144 @@ +/* + * Copyright 2010 Freescale Semiconductor, Inc. + * + * Author: Priyanka Jain <Priyanka.Jain(a)freescale.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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * This file provides Date & Time support (no alarms) for PT7C4338 chip. + * + * This file is based on drivers/rtc/ds1337.c + * + * PT7C4338 chip is manufactured by Pericom Technology Inc. + * It is a serial real-time clock which provides + * 1)Low-power clock/calendar. + * 2)Programmable square-wave output. + * It has 56 bytes of nonvolatile RAM. + */ + +#include <common.h> +#include <command.h> +#include <rtc.h> +#include <i2c.h> + +/* RTC register addresses */ +#define RTC_SEC_REG_ADDR 0x0 +#define RTC_MIN_REG_ADDR 0x1 +#define RTC_HR_REG_ADDR 0x2 +#define RTC_DAY_REG_ADDR 0x3 +#define RTC_DATE_REG_ADDR 0x4 +#define RTC_MON_REG_ADDR 0x5 +#define RTC_YR_REG_ADDR 0x6 +#define RTC_CTL_STAT_REG_ADDR 0x7 + +/* RTC second register address bit */ +#define RTC_SEC_BIT_CH 0x80 /* Clock Halt (in Register 0) */ + +/* RTC control and status register bits */ +#define RTC_CTL_STAT_BIT_RS0 0x1 /* Rate select 0 */ +#define RTC_CTL_STAT_BIT_RS1 0x2 /* Rate select 1 */ +#define RTC_CTL_STAT_BIT_SQWE 0x10 /* Square Wave Enable */ +#define RTC_CTL_STAT_BIT_OSF 0x20 /* Oscillator Stop Flag */ +#define RTC_CTL_STAT_BIT_OUT 0x80 /* Output Level Control */ + +/* RTC reset value */ +#define RTC_PT7C4338_RESET_VAL \ + (RTC_CTL_STAT_BIT_RS0 | RTC_CTL_STAT_BIT_RS1 | RTC_CTL_STAT_BIT_OUT) + +/****** Helper functions ****************************************/ +static u8 rtc_read(u8 reg) +{ + return i2c_reg_read(CONFIG_SYS_I2C_RTC_ADDR, reg); +} + +static void rtc_write(u8 reg, u8 val) +{ + i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, reg, val); +} +/****************************************************************/ + +/* Get the current time from the RTC */ +int rtc_get(struct rtc_time *tmp) +{ + int ret = 0; + u8 sec, min, hour, mday, wday, mon, year, ctl_stat; + + ctl_stat = rtc_read(RTC_CTL_STAT_REG_ADDR); + sec = rtc_read(RTC_SEC_REG_ADDR); + min = rtc_read(RTC_MIN_REG_ADDR); + hour = rtc_read(RTC_HR_REG_ADDR); + wday = rtc_read(RTC_DAY_REG_ADDR); + mday = rtc_read(RTC_DATE_REG_ADDR); + mon = rtc_read(RTC_MON_REG_ADDR); + year = rtc_read(RTC_YR_REG_ADDR); + debug("Get RTC year: %02x mon: %02x mday: %02x wday: %02x " + "hr: %02x min: %02x sec: %02x control_status: %02x\n", + year, mon, mday, wday, hour, min, sec, ctl_stat); + + if (ctl_stat & RTC_CTL_STAT_BIT_OSF) { + printf("### Warning: RTC oscillator has stopped\n"); + /* clear the OSF flag */ + rtc_write(RTC_CTL_STAT_REG_ADDR, + rtc_read(RTC_CTL_STAT_REG_ADDR)\ + & ~RTC_CTL_STAT_BIT_OSF); + ret = -1; + } + + tmp->tm_sec = bcd2bin(sec & 0x7F); + tmp->tm_min = bcd2bin(min & 0x7F); + tmp->tm_hour = bcd2bin(hour & 0x3F); + tmp->tm_mday = bcd2bin(mday & 0x3F); + tmp->tm_mon = bcd2bin(mon & 0x1F); + tmp->tm_year = bcd2bin(year) + 2000; + tmp->tm_wday = bcd2bin((wday - 1) & 0x07); + tmp->tm_yday = 0; + tmp->tm_isdst = 0; + debug("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", + tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, + tmp->tm_hour, tmp->tm_min, tmp->tm_sec); + + return ret; +} + +/* Set the RTC */ +int rtc_set(struct rtc_time *tmp) +{ + debug("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", + tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, + tmp->tm_hour, tmp->tm_min, tmp->tm_sec); + + rtc_write(RTC_YR_REG_ADDR, bin2bcd(tmp->tm_year % 100)); + rtc_write(RTC_MON_REG_ADDR, bin2bcd(tmp->tm_mon)); + rtc_write(RTC_DAY_REG_ADDR, bin2bcd(tmp->tm_wday + 1)); + rtc_write(RTC_DATE_REG_ADDR, bin2bcd(tmp->tm_mday)); + rtc_write(RTC_HR_REG_ADDR, bin2bcd(tmp->tm_hour)); + rtc_write(RTC_MIN_REG_ADDR, bin2bcd(tmp->tm_min)); + rtc_write(RTC_SEC_REG_ADDR, bin2bcd(tmp->tm_sec)); + + return 0; +} + +/* Reset the RTC */ +void rtc_reset(void) +{ + rtc_write(RTC_SEC_REG_ADDR, 0x00); /* clearing Clock Halt */ + rtc_write(RTC_CTL_STAT_REG_ADDR, RTC_PT7C4338_RESET_VAL); +} -- 1.6.5.6

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[U-Boot] [PATCH] cfi_flash: Add optional config register write to cfi-detection
by Stefan Roese 17 Dec '10

17 Dec '10

This patch adds the possibility to (optinally) write to the flash configuration register. The Intel style CFI chips support such a register that can be used to configure the operation mode to a non-default value. This method will be used by the t3corp board, which needs to configure the DS617 Xilinx flash for async read mode. Signed-off-by: Stefan Roese <sr(a)denx.de> --- drivers/mtd/cfi_flash.c | 43 +++++++++++++++++++++++++++++++++++++++++++ include/mtd/cfi_flash.h | 2 ++ 2 files changed, 45 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index c17c542..6e617f0 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -74,6 +74,20 @@ flash_info_t flash_info[CFI_MAX_FLASH_BANKS]; /* FLASH chips info */ #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT #endif +/* + * 0xffff is an undefined value for the configuration register. When + * this value is returned, the configuration register shall not be + * written at all (default mode). + */ +static u16 cfi_flash_config_reg(int i) +{ +#ifdef CONFIG_SYS_CFI_FLASH_CONFIG_REGS + return ((u16 [])CONFIG_SYS_CFI_FLASH_CONFIG_REGS)[i]; +#else + return 0xffff; +#endif +} + #if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT) int cfi_flash_num_flash_banks = CONFIG_SYS_MAX_FLASH_BANKS_DETECT; #endif @@ -2031,6 +2045,31 @@ void flash_set_verbose(uint v) flash_verbose = v; } +static void cfi_flash_set_config_reg(u32 base, u16 val) +{ +#ifdef CONFIG_SYS_CFI_FLASH_CONFIG_REGS + /* + * Only set this config register if really defined + * to a valid value (0xffff is invalid) + */ + if (val == 0xffff) + return; + + /* + * Set configuration register. Data is "encrypted" in the 16 lower + * address bits. + */ + flash_write16(FLASH_CMD_SETUP, (void *)(base + (val << 1))); + flash_write16(FLASH_CMD_SET_CR_CONFIRM, (void *)(base + (val << 1))); + + /* + * Finally issue reset-command to bring device back to + * read-array mode + */ + flash_write16(FLASH_CMD_RESET, (void *)base); +#endif +} + /*----------------------------------------------------------------------- */ unsigned long flash_init (void) @@ -2054,6 +2093,10 @@ unsigned long flash_init (void) for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { flash_info[i].flash_id = FLASH_UNKNOWN; + /* Optionally write flash configuration register */ + cfi_flash_set_config_reg(cfi_flash_bank_addr(i), + cfi_flash_config_reg(i)); + if (!flash_detect_legacy(cfi_flash_bank_addr(i), i)) flash_get_size(cfi_flash_bank_addr(i), i, cfi_flash_bank_size(i)); diff --git a/include/mtd/cfi_flash.h b/include/mtd/cfi_flash.h index 2ff00f2..3245b44 100644 --- a/include/mtd/cfi_flash.h +++ b/include/mtd/cfi_flash.h @@ -32,6 +32,8 @@ #define FLASH_CMD_ERASE_CONFIRM 0xD0 #define FLASH_CMD_WRITE 0x40 #define FLASH_CMD_PROTECT 0x60 +#define FLASH_CMD_SETUP 0x60 +#define FLASH_CMD_SET_CR_CONFIRM 0x03 #define FLASH_CMD_PROTECT_SET 0x01 #define FLASH_CMD_PROTECT_CLEAR 0xD0 #define FLASH_CMD_CLEAR_STATUS 0x50 -- 1.7.3.2

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