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* Blackfin: move gd/bd to bss by defaultMike Frysinger2012-04-22-16/+42
| | | | | | | | We don't need these setup manually, so let the bss do the rest. On Blackfin systems, we clear the bss before executing any C code that would use these, so this should be fine. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* linkage.h: move from blackfin to common includesMacpaul Lin2012-02-12-2/+2
| | | | | | | | | | | 1. Add linkage.h support from blackfin to common include, which is a reduced version from Linux. 2. Add architecture part support of linkage.h into blackfin 3. Fix include path of in blackfin related to linkage.h due to header file movement. Signed-off-by: Macpaul Lin <macpaul@andestech.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: drop now unused local variableMike Frysinger2011-11-18-1/+0
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* blackfin: Use getenv_ulong() in place of getenv(), strtoulSimon Glass2011-10-23-7/+2
| | | | | | | This changes the board code to use the new getenv_ulong() function. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: post: generalize led/button tests with GPIOsMike Frysinger2011-09-29-0/+86
| | | | | | Make it easy for any Blackfin board to enable led/push button tests. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: post: drop custom test listMike Frysinger2011-09-29-251/+0
| | | | | | | The few tests that are Blackfin-specific have been migrated to common code or been rewritten with the existing "bsp-specific" defines. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Merge branch 'master' of git://git.denx.de/u-boot-blackfinWolfgang Denk2011-08-02-1/+5
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'master' of git://git.denx.de/u-boot-blackfin: Blackfin: jtag-console: fix timer usage Blackfin: switch to common display_options() Blackfin: serial: move early debug strings into .rodata section Blackfin: adi boards: also set stderr to nc with helper Blackfin: update anomaly lists to latest public info Blackfin: serial: convert to bfin_{read,write} helpers Blackfin: split out async setup Blackfin: adi boards: enable pretty flash progress output Blackfin: drop unused dma.h header from start code Blackfin: portmux: allow header to be included in assembly files Blackfin: cm-bf537e/cm-bf537u/tcm-bf537: enable mmc_spi support Blackfin: cm-bf537e/cm-bf537u/tcm-bf537: update network settings Blackfin: sync MMR read/write helpers with Linux Blackfin: gpio: optimize free path a little Blackfin: post: setup default CONFIG_SYS_POST_WORD_ADDR Blackfin: uart: fix printf warning Blackfin: add init.elf helper code Blackfin: dont reset SWRST on newer bf526 parts Blackfin: adi boards: enable multi serial support by default Blackfin: uart: add multiple serial support Blackfin: uart: move debug buffers into local bss
| * Blackfin: switch to common display_options()Mike Frysinger2011-07-12-1/+1
| | | | | | | | | | | | | | Use common code to output the version string rather than doing it ourselves. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: uart: add multiple serial supportMike Frysinger2011-07-12-0/+4
| | | | | | | | | | | | | | This brings CONFIG_SERIAL_MULTI support to the Blackfin on-chip UARTs. Ends up adding only ~512bytes per additional UART. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* | unify version_stringAndreas Bießmann2011-07-28-3/+0
|/ | | | | | | | | | | | This patch removes the architecture specific implementation of version_string where possible. Some architectures use a special place and therefore we provide U_BOOT_VERSION_STRING definition and a common weak symbol version_string. Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com> CC: Mike Frysinger <vapier@gentoo.org> CC: Peter Pan <pppeterpppan@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: use common LDSCRIPT logicMike Frysinger2011-06-03-158/+0
| | | | | | | | Now that common code is a bit smarter when it comes to default LDSCRIPT values, rename the default Blackfin file and drop the Blackfin-specific config.mk logic. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: default to L1 bank A when L1 bank B does not existMike Frysinger2011-04-08-3/+7
| | | | | | | Some parts lack Bank B in L1 data, so have the linker script fall back to Bank A when that happens. This way we can still leverage L1 data. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: only check for os log when we have external memoryMike Frysinger2011-04-08-1/+1
| | | | | | | | If the part has no external memory configured, then there will be no os log for us to check, and any attempt to access that memory will trigger hardware errors. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: fix bd_t handlingMike Frysinger2011-04-08-8/+2
| | | | | | | | | The recent global data changes (making the size autogenerated) broke the board info handling on Blackfin ports as we were lying and lumping the bd_t size in with the gd_t size. So use the new dedicated bd_t size to setup its own address in memory. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: move CONFIG_BFIN_CPU back to board config.hMike Frysinger2011-04-08-1/+1
| | | | | | This is a revert of 821ad16fa9900c as Wolfgang doesn't like the new code. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: skip RAM display for 0 mem systemsMike Frysinger2011-04-08-2/+5
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: make sure bss len is multiple of 4 bytesMike Frysinger2010-11-18-0/+1
| | | | | | | | | | The Blackfin on-chip BootROM requires that fill operations (which is used for the bss) be aligned to 4 bytes (base addr and total len). Plus, the Blackfin early init asm code assumes the same thing. So rather than making things work for no real gain, make sure the bss len is padded to 4 bytes in the linker script. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: stick ins/outs funcs into their own .text sectionMike Frysinger2010-11-18-0/+5
| | | | | | | This lets the linker garbage collect these functions when they aren't actually used by placing them into the standard .text.<func> section. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* 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>
* Replace CONFIG_SYS_GBL_DATA_SIZE by auto-generated valueWolfgang Denk2010-10-26-2/+2
| | | | | | | | | | | | | | | | | | CONFIG_SYS_GBL_DATA_SIZE has always been just a bad workarond for not being able to use "sizeof(struct global_data)" in assembler files. Recent experience has shown that manual synchronization is not reliable enough. This patch renames CONFIG_SYS_GBL_DATA_SIZE into GENERATED_GBL_DATA_SIZE which gets automatically generated by the asm-offsets tool. In the result, all definitions of this value can be deleted from the board config files. We have to make sure that all files that reference such data include the new <asm-offsets.h> file. No other changes have been done yet, but it is obvious that similar changes / simplifications can be done for other, related macro definitions as well. Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Kumar Gala <galak@kernel.crashing.org>
* Blackfin: fix MMC init output alignmentMike Frysinger2010-10-02-1/+1
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: move CONFIG_BFIN_CPU to board config.mkMike Frysinger2010-10-02-1/+1
| | | | | | | | | The CONFIG_BFIN_CPU option is largely used in the build system, so move it out of the board config.h and into the board config.mk. It'd be nice to keep everything in the config.h, but the patch to extract that value early was rejected. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* POST cleanup.Michael Zaidman2010-09-21-423/+1
| | | | | | | | | | | | | | | | | | | | | | | | - Revives POST for blackfin arch; - Removes redundant code: arch/blackfin/lib/post.c arch/powerpc/cpu/ppc4xx/commproc.c arch/powerpc/cpu/mpc512x/common.c - fixes up the post_word_{load|store} usage. Signed-off-by: Michael Zaidman <michael.zaidman@gmail.com> Acked-by: Detlev Zundel <dzu@denx.de> Tested-by: Anatolij Gustschin <agust@denx.de> List of the maintainers of the affected by patch boards: Cc: Stephan Linz <linz@li-pro.net> Cc: Denis Peter <d.peter@mpl.ch> Cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Stefan Roese <sr@denx.de> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Niklaus Giger <niklaus.giger@netstal.com> Cc: Larry Johnson <lrj@acm.org> Cc: Feng Kan <fkan@amcc.com>
* Blackfin: re-use board data in cpu bannerMike Frysinger2010-08-11-1/+2
| | | | | | | The bi_cpu field of the board data is already set to the relevant cpu string, so there is no need for us to use the define directly. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: shutdown video DMA when booting LinuxMichael Hennerich2010-08-11-0/+9
| | | | | | | | | | | In case there is no frame buffer driver present in Linux to hand over the PPI LCD DMA upon boot, the DMA initiated by u-boot to display the splash screen runs unattended. Therefore always stop the video driver in u-boot before starting Linux. If people don't want this behavior, then they can simply stub out the video_stop() function in their board video driver. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Rename getenv_r() into getenv_f()Wolfgang Denk2010-08-04-2/+2
| | | | | | | | | | | | | | | | | | | While running from flash, i. e. before relocation, we have only a limited C runtime environment without writable data segment. In this phase, some configurations (for example with environment in EEPROM) must not use the normal getenv(), but a special function. This function had been called getenv_r(), with the idea that the "_r" suffix would mean the same as in the _r_eentrant versions of some of the C library functions (for example getdate vs. getdate_r, getgrent vs. getgrent_r, etc.). Unfortunately this was a misleading name, as in U-Boot the "_r" generally means "running from RAM", i. e. _after_ relocation. To avoid confusion, rename into getenv_f() [as "running from flash"] Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de>
* Make sure that argv[] argument pointers are not modified.Wolfgang Denk2010-07-04-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Tyser2010-04-13-2/+2
| | | | Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Move lib_$ARCH directories to arch/$ARCH/libPeter Tyser2010-04-13-0/+3400
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk This change is intended to clean up the top-level directory structure and more closely mimic Linux's directory organization. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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