u-boot.git/board/spear/common/spr_misc.c, branch v2016.01

Add GPL-2.0+ SPDX-License-Identifier to source files

2013-07-24T13:44:38Z

Signed-off-by: Wolfgang Denk [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini

SPEAr: Enable dcache for fast file transfer

2012-07-07T12:07:41Z

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 Signed-off-by: Amit Virdi Signed-off-by: Stefan Roese

SPEAr: Initialize SNOR in early_board_init_f

2012-07-07T12:07:41Z

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 Acked-by: Stefan Roese Signed-off-by: Stefan Roese

SPEAr: Place ethaddr write and read within CONFIG_CMD_NET

2012-07-07T12:07:40Z

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 Signed-off-by: Amit Virdi Signed-off-by: Stefan Roese

SPEAr: Eliminate dependency on Xloader table

2012-07-07T12:07:40Z

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 Acked-by: Stefan Roese Signed-off-by: Stefan Roese

SPEAr: Fix ARM relocation support

2012-07-07T12:07:39Z

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 Acked-by: Stefan Roese Signed-off-by: Stefan Roese

spear: fix build errors for spear3xx/spear600 platforms

2011-08-04T11:50:01Z

Signed-off-by: Shiraz Hashim Acked-by: Vipin Kumar

cmd_usage(): simplify return code handling

2010-07-24T18:43:57Z

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

Make sure that argv[] argument pointers are not modified.

2010-07-04T21:55:42Z

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 Acked-by: Mike Frysinger

mod change 755 => 644 for multiple files

2010-03-21T21:22:53Z

I executed 'find . -name "*.[chS]" -perm 755 -exec chmod 644 {} \;' Signed-off-by: Thomas Weber Add some more: neither Makefile nor config.mk need execute permissions. Signed-off-by: Wolfgang Denk