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* kbuild: add dummy obj-y to create built-in.oMasahiro Yamada2014-02-19-1/+4
| | | | | | | | | We are going to switch over to Kbuild in upcoming commits. Each makefile must have non-empty obj- or obj-y to generate built-in.o on Kbuild. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* board: arm: convert makefiles to Kbuild styleMasahiro Yamada2013-11-01-25/+2
| | | | | | | | | | | | Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: Andreas Bießmann <andreas.devel@googlemail.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Prafulla Wadaskar <prafulla@marvell.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Vipin Kumar <vipin.kumar@st.com> Cc: Tom Warren <twarren@nvidia.com> Cc: Tom Rini <trini@ti.com>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-24-51/+3
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* SPL: ARM: spear: Remove some objects from SPL buildStefan Roese2012-07-07-0/+2
| | | | | | Signed-off-by: Stefan Roese <sr@denx.de> Cc: Amit Virdi <amit.virdi@st.com> Cc: Vipin Kumar <vipin.kumar@st.com>
* SPEAr: Enable dcache for fast file transferShiraz Hashim2012-07-07-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable data cache with 1:1 mapping of DDR to enable fast file transfer over tty which was doing lot of copy. This feature is enabled only for flashing operation i.e. when CONFIG_SPEAR_USBTTY is enabled. This has been tested on SPEAr320, SPEAr600 and SPEAr900 evaluation boards. Following figures show an estimate on the performance improvements. The test setup was a Linux host (not Windows) and involved measurement of only binary transfer time, through kermit. The flash erase and flash copy time would be unaffected by these patches. Another thing is this that the timings remained more or less same across ARM9 and Cortex based devices, hence reporting only one of the cases. Before Enhancements =================== $ time ukermit.small -p /dev/ttyACM0 -f spear320_uImage.img Downloading file: 100.00% completed(2014080/2014080 bytes) real 0m41.228s user 0m0.002s sys 0m0.064s After Enhancements ================== $ time ukermit.large -p /dev/ttyACM0 -f spear320_uImage.img Downloading file: 100.00% completed(2014080/2014080 bytes) real 0m5.441s user 0m0.001s sys 0m0.001s Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com> Signed-off-by: Stefan Roese <sr@denx.de>
* SPEAr: Initialize SNOR in early_board_init_fAmit Virdi2012-07-07-0/+8
| | | | | | | | | | flash reading is required earlier than flash_init is called since the env_init is called before flash_init. This makes the smi_init necessary before env_init being called. Signed-off-by: Amit Virdi <amit.virdi@st.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
* SPEAr: Place ethaddr write and read within CONFIG_CMD_NETVipin KUMAR2012-07-07-8/+21
| | | | | | | | | | ethaddr can be optionally read from i2c memory. So, chip_config command supports reading/writing hw mac id into i2c memory. Placing this code within CONFIG_CMD_NET as this would only be needed when network interface is configured Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com> Signed-off-by: Stefan Roese <sr@denx.de>
* SPEAr: Eliminate dependency on Xloader tableAmit Virdi2012-07-07-41/+0
| | | | | | | | | | Xloader table was used primarily to inform u-boot about the DDR size. However, now the ddr size is calculated at runtime which eliminates any need for the Xloader table. So removing this unnecessary code. Signed-off-by: Amit Virdi <amit.virdi@st.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
* SPEAr: Fix ARM relocation supportAmit Virdi2012-07-07-19/+1
| | | | | | | | | | | | | | | While the u-boot code is running from the flash, it is essential that no access is made to the bss segment. This is due to the fact that .rel.dyn and .bss areas overlap and former contains information used in relocation. In SPEAr, this was not taken into consideration. As a result, while the relocation wasn't complete, dram_init populated an uninitialized global variable resulting in corruption of .rel.dyn area, which resulted in u-boot crash. This commit fixes this problem by removing code that accesses bss segment Signed-off-by: Amit Virdi <amit.virdi@st.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
* punt unused clean/distclean targetsMike Frysinger2011-10-15-6/+0
| | | | | | | | | | The top level Makefile does not do any recursion into subdirs when cleaning, so these clean/distclean targets in random arch/board dirs never get used. Punt them all. MAKEALL didn't report any errors related to this that I could see. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* spear: fix build errors for spear3xx/spear600 platformsShiraz Hashim2011-08-04-3/+7
| | | | | Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Acked-by: Vipin Kumar <vipin.kumar@st.com>
* Switch from archive libraries to partial linkingSebastien Carlier2010-11-17-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Before this commit, weak symbols were not overridden by non-weak symbols found in archive libraries when linking with recent versions of binutils. As stated in the System V ABI, "the link editor does not extract archive members to resolve undefined weak symbols". This commit changes all Makefiles to use partial linking (ld -r) instead of creating library archives, which forces all symbols to participate in linking, allowing non-weak symbols to override weak symbols as intended. This approach is also used by Linux, from which the gmake function cmd_link_o_target (defined in config.mk and used in all Makefiles) is inspired. The name of each former library archive is preserved except for extensions which change from ".a" to ".o". This commit updates references accordingly where needed, in particular in some linker scripts. This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com>
* cmd_usage(): simplify return code handlingWolfgang Denk2010-07-24-6/+3
| | | | | | | | | | | | | | | | Lots of code use this construct: cmd_usage(cmdtp); return 1; Change cmd_usage() let it return 1 - then we can replace all these ocurrances by return cmd_usage(cmdtp); This fixes a few places with incorrect return code handling, too. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Make sure that argv[] argument pointers are not modified.Wolfgang Denk2010-07-04-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The hush shell dynamically allocates (and re-allocates) memory for the argument strings in the "char *argv[]" argument vector passed to commands. Any code that modifies these pointers will cause serious corruption of the malloc data structures and crash U-Boot, so make sure the compiler can check that no such modifications are being done by changing the code into "char * const argv[]". This modification is the result of debugging a strange crash caused after adding a new command, which used the following argument processing code which has been working perfectly fine in all Unix systems since version 6 - but not so in U-Boot: int main (int argc, char **argv) { while (--argc > 0 && **++argv == '-') { /* ====> */ while (*++*argv) { switch (**argv) { case 'd': debug++; break; ... default: usage (); } } } ... } The line marked "====>" will corrupt the malloc data structures and usually cause U-Boot to crash when the next command gets executed by the shell. With the modification, the compiler will prevent this with an error: increment of read-only location '*argv' N.B.: The code above can be trivially rewritten like this: while (--argc > 0 && **++argv == '-') { char *arg = *argv; while (*++arg) { switch (*arg) { ... Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
* mod change 755 => 644 for multiple filesThomas Weber2010-03-21-0/+0
| | | | | | | | I executed 'find . -name "*.[chS]" -perm 755 -exec chmod 644 {} \;' Signed-off-by: Thomas Weber <swirl@gmx.li> Add some more: neither Makefile nor config.mk need execute permissions. Signed-off-by: Wolfgang Denk <wd@denx.de>
* SPEAr : emi controller initialization for CFI driver supportVipin KUMAR2010-01-23-0/+59
| | | | | | | | | SPEAr310 and SPEAr320 SoCs contain an EMI controller to interface Paraller NOR flashes. This patch adds the support for this IP The standard CFI driver is used to interface with NOR flashes Signed-off-by: Vipin <vipin.kumar@st.com>
* SPEAr : Support for HW mac id read/write from i2c memVipin KUMAR2010-01-23-1/+67
| | | | | | | | | | | | | | | This patch adds the support to read and write mac id from i2c memory. For reading: if (env contains ethaddr) pick env ethaddr else pick ethaddr from i2c memory For writing: chip_config ethaddr XX:XX:XX:XX:XX:XX writes the mac id in i2c memory Signed-off-by: Vipin <vipin.kumar@st.com>
* SPEAr : Support added for SPEAr600 boardVipin KUMAR2010-01-23-0/+420
SPEAr600 SoC support contains basic spear600 support along with the usage of following drivers - serial driver(UART) - i2c driver - smi driver - nand driver(FSMC) - usbd driver Signed-off-by: Vipin <vipin.kumar@st.com>
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