summaryrefslogtreecommitdiff
path: root/arch/mips/lib
AgeCommit message (Collapse)Author
2015-01-29MIPS: clear TagLo select 2 during cache initPaul Burton
Current MIPS cores from Imagination Technologies use TagLo select 2 for the data cache. The architecture requires that it is safe for software to write to this register even if it isn't present, so take the trivial option of clearing both selects 0 & 2. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-29MIPS: allow systems to skip loads during cache initPaul Burton
Current MIPS systems do not require that loads be performed to force the parity of cache lines, a simple invalidate by clearing the tag for each line will suffice. Thus this patch makes the loads & subsequent second invalidation conditional upon the CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD option, and defines that for existing mips32 targets. Exceptions are malta where this is known to be unnecessary, and qemu-mips where caches are not implemented. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-29MIPS: inline mips_init_[id]cache functionsPaul Burton
The mips_init_[id]cache functions are small & only called once from a single callsite. Inlining them allows mips_cache_reset to avoid having to bother moving arguments around & leaves it a leaf function which is thus able to simply keep the return address live in the ra register throughout, simplifying the code. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-29MIPS: refactor cache loops to a macroPaul Burton
Reduce duplication by performing loops through cache tags using an assembler macro. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-29MIPS: refactor L1 cache config reads to a macroPaul Burton
Reduce duplication between reading the configuration of the L1 dcache & icache by performing both using a macro which calculates the appropriate line & cache sizes from the coprocessor 0 Config1 register. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-29MIPS: unify cache initialization codePaul Burton
The mips32 & mips64 cache initialization code differs only in that the mips32 code supports reading the cache size from coprocessor 0 registers at runtime. Move the more developed mips32 version to a common arch/mips/lib/cache_init.S & remove the now-redundant mips64 version in order to reduce duplication. The temporary registers used are shuffled slightly in order to work for both mips32 & mips64 builds. The RA register is defined differently to suit mips32 & mips64, but will be removed by a later commit in the series after further cleanup. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-29MIPS: unify cache maintenance functionsPaul Burton
Move the more developed mips32 version of the cache maintenance functions to a common arch/mips/lib/cache.c, in order to reduce duplication between mips32 & mips64. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-21MIPS: bootm: add bootstage reportingDaniel Schwierzeck
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-21MIPS: bootm: prepare a flattened device tree for the kernelDaniel Schwierzeck
Add the initial code to prepare a flattened device tree for the kernel like relocating the FDT blob and fixing up the /chosen and /memory nodes. The final hand over to the kernel is not yet implemented. After the community agreed on the MIPS boot interface for device trees, the corresponding code will be added. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-21MIPS: bootm: add mem, rd_start and rd_size to kernel command lineDaniel Schwierzeck
If the user wants to boot a kernel without legacy environment, information like memory size, initrd address and size should be handed over to the kernel in the command line. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-21MIPS: bootm: refactor preparation of Linux kernel environmentDaniel Schwierzeck
Move preparation of Linux kernel environment in a separate function and mark it as legacy. Add a Kconfig option to make that legacy mode configurable. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2015-01-21MIPS: bootm: refactor preparation of Linux kernel command lineDaniel Schwierzeck
Move preparation of Linux kernel command line in a separate function and mark it as legacy. Add a Kconfig option to make that legacy mode configurable. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2014-11-27MIPS: bootm: remove unused or redundant header filesDaniel Schwierzeck
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2014-11-27MIPS: bootm: add missing initramfs relocationDaniel Schwierzeck
The initramfs is currently only relocated if the user calls the bootm ramdisk subcommand. If bootm should be used without subcommands, the arch-specific bootm code needs to implement the relocation. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2014-11-27MIPS: remove board.cDaniel Schwierzeck
After all MIPS boards are switched to generic-board, the MIPS specific board.c can be removed. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2014-05-12bd_info: remove bi_barudrate member from struct bd_infoMasahiro Yamada
gd->bd->bi_baudrate is a copy of gd->baudrate. Since baudrate is a common feature for all architectures, keep gd->baudrate only. It is true that bi_baudrate was passed to the kernel in that structure but it was a long time ago. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Tom Rini <trini@ti.com> Cc: Simon Glass <sjg@chromium.org> Cc: Wolfgang Denk <wd@denx.de> Cc: Heiko Schocher <hs@denx.de> Acked-by: Michal Simek <monstr@monstr.eu> (For microblaze)
2014-04-20MIPS: drop incaip boardDaniel Schwierzeck
This is dead hardware and no one is interested in making the necessary changes for upcoming features like generic board or driver model. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Cc: Wolfgang Denk <wd@denx.de>
2014-04-20MIPS: allow use of generic boardPaul Burton
This patch allows MIPS boards to make use of generic board, replacing arch/mips/lib/board.c with common/board_{f,r}.c and struct bd_info with the asm-generic version. Signed-off-by: Paul Burton <paul.burton@imgtec.com>
2014-04-20MIPS: move mips_io_port_base out of board.cPaul Burton
Move the definition of this variable out of arch/mips/lib/board.c in preparation for allowing use of generic board on MIPS, which will lead to this file not being compiled. Signed-off-by: Paul Burton <paul.burton@imgtec.com>
2014-03-07kbuild: add CONFIG_ prefix to USE_PRIVATE_LIBGCCMasahiro Yamada
Before this commit, USE_PRIVATE_LIBGCC was defined in arch-specific config.mk and referenced in arch/$(ARCH)/lib/Makefile. We are not happy about parsing config.mk again and again. We have to keep the same behavior with a different way. By adding "CONFIG_" prefix, this macro appears in include/autoconf.mk, include/spl-autoconf.mk. (And treating USE_PRIVATE_LIBGCC as CONFIG macro is reasonable enough.) Tegra SoC family defined USE_PRIVATE_LIBGCC as "yes" in arch/arm/cpu/arm720t/tegra*/config.mk, whereas did not define it in arch/arm/cpu/armv7/tegra*/config.mk. It means Tegra enables PRIVATE_LIBGCC only for SPL. We can describe the same behavior by adding #ifdef CONFIG_SPL_BUILD # define CONFIG_USE_PRIVATE_LIBGCC #endif to include/configs/tegra-common.h. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Tom Warren <twarren@nvidia.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Stephen Warren <swarren@nvidia.com>
2013-11-26mips: don't hardcode Malta env baudratePaul Burton
The baudrate passed to Linux in the environment was hardcoded at 38400. Instead pass the correct baudrate from global data, allowing Linux to correctly inherit the baudrate used by U-boot when console setup is not explicitly specified. Signed-off-by: Paul Burton <paul.burton@imgtec.com>
2013-11-09qemu-malta: rename to just "malta"Paul Burton
This is in preparation for adapting this board to function correctly on a physical MIPS Malta board. The board is moved into an "imgtec" vendor directory at the same time in order to ready us for any other boards supported by Imagination in the future. Signed-off-by: Paul Burton <paul.burton@imgtec.com>
2013-10-31mips: convert makefiles to Kbuild styleMasahiro Yamada
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
2013-08-13MIPS: bootm: drop obsolete Qemu specific bootm implementationDaniel Schwierzeck
The Qemu specific bootm implementation was intended for a special Qemu target in Linux kernel. But this target has been dropped in v2.6.25-rc1 by commit 302922e5f6901eb6f29c58539631f71b3d9746b8 Author: Ralf Baechle <ralf@linux-mips.org> Date: Tue Jan 29 10:15:02 2008 +0000 [MIPS] Qemu: Remove platform. The Qemu platform was originally implemented to have an easily supportable platform until Qemu reaches a state where it emulates a real world system. Since the latest release Qemu is capable of emulating the MIPSsim and Malta platforms, so this goal has been reached. The Qemu plaform is also rather underfeatured so less useful than a Malta emulation. Thus the special bootm implementation is obsolete by now and can be dropped. The Qemu support in U-Boot is going to be replaced by MIPS Malta board support. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-08-13MIPS: bootm: add YAMON style Linux preparation/jump code for Qemu MaltaDaniel Schwierzeck
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-08-13MIPS: bootm: add support for generic relocation of init ramdisksDaniel Schwierzeck
All linux kernels after v2.6 require a page-aligned location of an external init ramdisk. Enable CONFIG_SYS_BOOT_RAMDISK_HIGH to support this with the generic U-Boot relocation code. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-08-13MIPS: bootm: refactor initialisation of kernel environmentDaniel Schwierzeck
Move initialisation of Linux environment to separate functions. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-08-13MIPS: bootm: refactor initialisation of kernel cmdlineDaniel Schwierzeck
Move initialisation of Linux command line to separate functions. Also add support for bootm subcommand 'cmdline'. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-08-13MIPS: bootm: add support for LMBDaniel Schwierzeck
This is required for init ramdisk relocation and device tree support. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-08-13MIPS: bootm: optimize kernel entry callDaniel Schwierzeck
Fix signature of kernel entry function. Mark the kernel entry with __noreturn for better code optimisation. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-08-13MIPS: bootm: fix checkpatch.pl warningsDaniel Schwierzeck
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-07-24Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
2013-07-16Build arch/$ARCH/lib/bootm.o depending on CONFIG_CMD_BOOTMDirk Eibach
MAKEALL is fine for ppc4xx and mpc85xx. Run checks were done on our controlcenterd hardware. Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc> Signed-off-by: Andy Fleming <afleming@freescale.com>
2013-05-01lib: consolidate hang()Andreas Bießmann
Delete all occurrences of hang() and provide a generic function. Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com> Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net> [trini: Modify check around puts() in hang.c slightly] Signed-off-by: Tom Rini <trini@ti.com>
2013-02-15MIPS: board.c: remove manual relocation of env_name_specDaniel Schwierzeck
Remove the manual relocation of env_name_spec. This has been missed in the previous patch series for introducing dynamic relocation on MIPS. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-02-12MIPS: add dynamic relocation supportGabor Juhos
The code handles relocation entries with the following relocation types only: mips32: R_MIPS_REL32 mips64: R_MIPS_REL+R_MIPS_64 xburst: R_MIPS_REL32 Other relocation entries are skipped without processing. The code must be extended if other relocation types must be supported. Add -pie to LDFLAGS_FINAL to generate the .rel.dyn fixup table, which will be applied to the relocated image before transferring control to it. The CONFIG_NEEDS_MANUAL_RELOC is not needed after the patch, so remove that as well. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-02-12MIPS: board.c: switch to new symbols __bss_end and __image_copy_endDaniel Schwierzeck
Use the newly introduced symbols __image_copy_end and __bss_end for setting up the memory area for the relocated U-Boot. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2013-01-16MIPS: bootm.c: add support for 'prep' and 'go' subcommandsGabor Juhos
The bootm command supports subcommands since long time however those subcommands are not yet usable on MIPS. The patch is based on the ARM implementation, and it adds support for the 'prep' and 'go' subcommands only. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
2013-01-16MIPS: bootm.c: separate environment initializationGabor Juhos
Move the environment initialization code into a separate function. This make the code reusable for bootm subcommands. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
2013-01-16MIPS: bootm.c: separate linux jump codeGabor Juhos
Move the actual jump code into a separate function. This make the code reusable for bootm subcommands. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
2013-01-16MIPS: bootm.c: use debug macro to print debug messageGabor Juhos
The '## Transferring control ...' message is printed only if DEBUG is enabled. Get rid of the 'ifdef DEBUG' statement and use the debug macro instead. Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
2012-12-12mips: serial: Fix busted manual relocationJoe Hershberger
serial_initialize() must be called after relocation to adjust the pointers to putc(), getc(), etc. This is busted ever since the serial driver-model-ification series. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2012-12-12MIPS: constify mips_io_port_baseDaniel Schwierzeck
mips_io_port_base is exported as 'extern const unsigned long mips_io_port_base;' in arch/mips/include/asm/io.h. Thus make the variable const too. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2012-10-22common: Convert the U-Boot commands to LG-arraysMarek Vasut
This patch converts the old method of creating a list of command onto the new LG-arrays code. The old u_boot_cmd section is converted to new u_boot_list_cmd subsection and LG-array macros used as needed. Minor adjustments had to be made to the common code to work with the LG-array macros, mostly the fixup_cmdtable() calls are now passed the ll_entry_start and ll_entry_count instead of linker-generated symbols. The command.c had to be adjusted as well so it would use the newly introduced LG-array API instead of directly using linker-generated symbols. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Joe Hershberger <joe.hershberger@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org>
2012-09-26malloc: remove extern declarations of malloc_bin_reloc() in board.c filesDaniel Schwierzeck
Declare malloc_bin_reloc() in malloc.h and remove all extern declarations in various board.c files to get rid of one checkpatch.pl warning. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Andreas Bießmann <andreas.devel@gmail.com> Cc: Jason Jin <Jason.jin@freescale.com> Cc: Macpaul Lin <macpaul@andestech.com> Cc: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Andreas Bießmann <andreas.devel@gmail.com>
2012-08-17dm: mips: Import libgcc components from LinuxMarek Vasut
Import ashldr3, ashrdi3 and lshrdi3 to squash possible libgcc fp mismatch, resulting in the following warning: mips-linux-gnu-ld: Warning: /usr/lib/gcc/mips-linux-gnu/4.7/libgcc.a(_lshrdi3.o) uses hard float, u-boot uses soft float mips-linux-gnu-ld: Warning: /usr/lib/gcc/mips-linux-gnu/4.7/libgcc.a(_ashldi3.o) uses hard float, u-boot uses soft float Imported from Linux (linux-next 20120723) as of commit: commit 72fbfb260197a52c2bc2583f3e8f15d261d0f924 Author: Ralf Baechle <ralf@linux-mips.org> Date: Wed Jun 7 13:25:37 2006 +0100 [MIPS] Fix optimization for size build. It took a while longer than on other architectures but gcc has finally started to strike us as well ... This also fixes the damage by 6edfba1b33c701108717f4e036320fc39abe1912. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> [<daniel.schwierzeck@gmail.com>: removed USE_PRIVATE_LIBGCC = yes] Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2012-06-03MIPS: board.c: move extern declarations to u-boot-mips.hDaniel Schwierzeck
This fixes some remaining checkpatch.pl warnings. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
2012-06-03MIPS: bootm_qemu_mips.c: make checkpatch.pl cleanDaniel Schwierzeck
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
2012-06-03MIPS: bootm.c: make checkpatch.pl cleanDaniel Schwierzeck
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
2012-05-15net: move bootfile init into eth_initializeMike Frysinger
All arches init this the same way, so move the logic into the core net code to avoid duplicating it everywhere else. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
generated by cgit (git 2.34.1) at 2024-12-29 16:47:26 +0000