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path: root/arch/blackfin/cpu/reset.c
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* blackfin: bf60x: Port blackfin core architecture code to boot on bf60x.Sonic Zhang2013-03-04-0/+6
| | | | | | | | | Set up clocks, DDR controller, Nor flash controller, reboot, serial port. Add new SPI boot modes. Signed-off-by: Bob Liu <lliubbo@gmail.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
* Blackfin: dont reset SWRST on newer bf526 partsMike Frysinger2011-07-12-1/+3
| | | | | | | The bug in the BF526 rom when doing a software reset exists only in older silicon versions, so don't clear SWRST on newer parts. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: use on-chip reset func with newer partsMike Frysinger2011-06-03-36/+34
| | | | | | | | Turns out the documentation is wrong and doing "RAISE 1" does not result in a software reset, only a core reset. So when the on-chip rom has a functioning reset helper, use it. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: replace "bfin_reset_or_hang()" with "panic()"Kyle Moffett2011-04-08-17/+1
| | | | | | | | | | | The bfin_reset_or_hang function unnecessarily duplicates the panic() logic based on CONFIG_PANIC_HANG. This patch deletes 20 lines of code and just calls panic() instead. This also makes the following generic-restart conversion patch simpler. Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* 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>
* blackfin: Move cpu/blackfin/* to arch/blackfin/cpu/*Peter Tyser2010-04-13-0/+106
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>