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* consolidate mdelay by providing a common function for all usersAnatolij Gustschin2011-10-22-1/+0
| | | | | | | | | There are several mdelay() definitions in the driver and board code. Remove them all and provide a common mdelay() in lib/time.c. Signed-off-by: Anatolij Gustschin <agust@denx.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
* MIPS: Ingenic XBurst Jz4740 processor supportXiangfu Liu2011-10-10-0/+920
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Jz4740 is a multimedia application processor targeting for mobile devices like e-Dictionary, eBook, portable media player (PMP) and GPS navigator. Jz4740 is powered by Ingenic 360 MHz XBurst CPU core (JzRISC), in which RISC/SIMD/DSP hybrid instruction set architecture provides high integration, high performance and low power consumption. JzRISC incorporated in Jz4740 is the advanced and power-efficient 32-bit RISC core, compatible with MIPS32, with 16K I-Cache and 16K D-Cache, and can operate at speeds up to 400 MHz. On-chip modules such as LCD controller, embedded audio codec, multi- channel SAR-ADC, AC97/I2S controller and camera I/F offer a rich suite of peripherals for multimedia application. NAND controller (SLC/MLC), USB (host 1.1 and device 2.0), UART, I2C, SPI, etc. are also available. For more info about Ingenic XBurst Jz4740: http://en.ingenic.cn/eng/ http://www.linux-mips.org/wiki/Ingenic This patch introduces XBurst CPU support in U-Boot. It's compatible with MIPS32, but requires a bit different cache maintenance, timer routines, and boot mechanism using USB boot tool, so XBurst support can go into a separate new home, cpu/xburst/. Signed-off-by: Xiangfu Liu <xiangfu@openmobilefree.net> Acked-by: Daniel <zpxu@ingenic.cn> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: mips32: fix wrong loop bound in flush_cache()Yao Cheng2011-09-03-0/+4
| | | | | | | | | | | The issue is found when calling flush_cache() with zero "size" argument. The bound of loop is miscalculated in this case and flush_cache() enters a wrong flushing loop. Signed-off-by: Yao Cheng <saturdaycoder@gmail.com> Cc: Shinya Kuribayashi <skuribay@pobox.com> Cc: Sergei Shtylyov <sshtylyov@mvista.com> Cc: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: make cache operation mode configurableDaniel Schwierzeck2011-07-31-1/+5
| | | | | | | | | | | Currently the cache operation mode is hard-coded to CONF_CM_CACHABLE_NONCOHERENT. This is not appropiate for CPUs or SOCs which operate at a different mode. This patch makes the cache operation mode configurable via board config. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Acked-by: Thomas Langer <thomas.langer@lantiq.com> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: rename INFINEON_EBU_BOOTCFG to CONFIG_SYS_XWAY_EBU_BOOTFGDaniel Schwierzeck2011-07-31-3/+10
| | | | | | | | | This define is a board-specific config option and should be renamed to follow the U-Boot naming convention. Additionally, add an explaining comment for this option. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Acked-by: Thomas Langer <thomas.langer@lantiq.com> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* Timer: Remove reset_timer() for non-Nios2 archesGraeme Russ2011-07-26-6/+0
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* Timer: Remove set_timer completelyGraeme Russ2011-07-26-6/+0
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* MIPS: Move timer code to arch/mips/cpu/$(CPU)/Shinya Kuribayashi2011-05-10-1/+99
| | | | | | | | | | | | | | Current timer routines (arch/mips/lib/timer.c) are implemented assuming that MIPS32 coprocessor (CP0) resources, Counter and Compare registers in this case, are available. But this doesn't always work. We need to make sure that all MIPS-based systems don't necessarily use CP0 counter/compare registers as time keeping resources. And some MIPS variant processors might come with different hardware specs with genuine MIPS32 CP0 registers. With this change, each $(CPU)/ directory can have its own timer code. Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: Coding style cleanups on common assembly filesShinya Kuribayashi2011-05-07-107/+93
| | | | | | | | | | Fix style issues and alignments globally. No logical changes. - Replace C comments with AS line comments where possible - Use ifndef where possible, rather than if !defined for simplicity - An instruction executed in a delay slot is now indicated by a leading space, not by C comment Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: Remove mips_cache_lock() featureShinya Kuribayashi2011-05-07-100/+0
| | | | | | | | | As requested in commit e1390801a3c1a2b6d12fa90be368efc19f5b9bfd ([MIPS] Request for the 'mips_cache_lock()' removal), such feature is no longer needed for current MIPS implementation of U-Boot, and no one in the tree uses it for years. Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: Au1x00: Move all Au1x00 specific code to separate subdirectoryDaniel Schwierzeck2011-04-02-2/+69
| | | | | | | | | Au1x00 is a SoC and its specific code should reside in an own SoC subdirectory. Also add -mtune=4kc flag for CPU optimization. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Cc: Thomas Lange <thomas@corelatus.se> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: IncaIP: Move all IncaIP specific code to separate subdirectoryDaniel Schwierzeck2011-04-02-2/+70
| | | | | | | | | IncaIP is a SoC and its specific code should reside in an own SoC subdirectory. Also add -mtune=4kc flag for CPU optimization. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Cc: Wolfgang Denk <wd@denx.de> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: Optimize the setup of CPU optimization flagsDaniel Schwierzeck2011-04-02-7/+8
| | | | | | | | | | | | | | | | | The current MIPS CPU config.mk code always expects a MIPS 4kc core. This is not appropiate for other CPUs and SoCs. Replace the current MIPSFLAGS code by cc-option macro and use -march=mips32r2 as default optimization level for all MIPS32 CPUs. Note: Since commit f62fb99941c625605aa16a0097b396a5c16d2c88 all toolchains with binutils prior to v2.16 are not working anymore. As agreed with Shinya Kuribayashi the support for those toolchains will be dropped officially with this patch. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Cc: Wolfgang Denk <wd@denx.de> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: Move content of arch/mips/cpu to arch/mips/cpu/mips32Daniel Schwierzeck2011-04-02-0/+0
| | | | | | | | | | | | | | | | | All current CPUs and SoCs are based on MIPS32 arch. The complete code resides in the global arch/mips/cpu directory. This is not suitable if other MIPS architectures like MIPS64 or Octeon should be supported in the future. To achieve this the current CPU code is moved to its own mips32 subdirectory. All MIPS32 boards have to use mips32 as config switch in board.cfg. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Thomas Lange <thomas@corelatus.se> Cc: Vlad Lungu <vlad.lungu@windriver.com> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: Purple: Remove Purple supportDaniel Schwierzeck2011-04-02-120/+0
| | | | | | | | The Purple SoC and eval board are not actively maintained since years. This patch removes the support completely as aggreed with Wolfgang Denk. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Cc: Wolfgang Denk <wd@denx.de> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.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>
* Replace CONFIG_SYS_GBL_DATA_SIZE by auto-generated valueWolfgang Denk2010-10-26-0/+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>
* miiphy: constify device nameMike Frysinger2010-08-09-2/+2
| | | | | | | The driver name does not need to be writable, so constify it. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
* Rename getenv_r() into getenv_f()Wolfgang Denk2010-08-04-1/+1
| | | | | | | | | | | | | | | | | | | 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 Denk2010-07-04-1/+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>
* mips: Move cpu/mips/* to arch/mips/cpu/*Peter Tyser2010-04-13-0/+4305
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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