summaryrefslogtreecommitdiff
path: root/arch/mips
Commit message (Collapse)AuthorAgeLines
* generic-board: move __HAVE_ARCH_GENERIC_BOARD to KconfigMasahiro Yamada2015-03-28-2/+0
| | | | | | | | Move the option to Kconfig renaming it to CONFIG_HAVE_GENERIC_BOARD. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Alexey Brodkin <abrodkin@synopsys.com>
* MIPS: unify CPU code in arch/mips/cpu/Daniel Schwierzeck2015-01-30-389/+13
| | | | | | | | | Unify and move code in arch/mips/cpu/mips[32|64]/ to arch/mips/cpu/. The CPU specific config.mk files need to remain until CONFIG_STANDALONE_LOAD_ADDR is converted to a global Kconfig symbol. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: move au1x00 SoC code to arch/mips/mach-au1x00Daniel Schwierzeck2015-01-30-10/+8
| | | | | | | | | | Move all au1x00 code out of arch/mips/cpu/mips32 to allow unification of CPU code in a later patch. The reorganization of the SoC specific header files will be done in a later patch series. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Cc: Paul Burton <paul.burton@imgtec.com>
* MIPS: handle mips64 ST0_KX bit in mips32 start.SPaul Burton2015-01-30-1/+3
| | | | | | | | | In preparation for sharing a single copy of start.S between mips32 & mips64, handle setting the KX bit of the cop0 Status register when the mips32 start.S is built for mips64. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: handle mips64 relocs in mips32 start.SPaul Burton2015-01-30-2/+17
| | | | | | | | | In preparation for sharing a single copy of start.S between mips32 & mips64, handle mips64 relocations in the mips32 start.S when built for mips64. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: use asm.h macros in mips32 start.SPaul Burton2015-01-30-55/+61
| | | | | | | | | | | | | | Where the mips32 & mips64 implementations of start.S differ in terms of access sizes & offsets, use the appropriate macros from asm.h to abstract those differences away. This is in preparation for sharing a single copy of start.S between mips32 & mips64. The exception to this is loads of immediates to be written to the cop0 Config register, which is a 32bit register on mips64 and therefore constants written to it can be loaded as such. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* malta: IDE supportPaul Burton2015-01-29-0/+5
| | | | | | | | | This patch adds IDE support to the MIPS Malta board. The IDE controller is enabled after probing the PCI bus and otherwise just makes use of U-boot generic IDE support. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: clear TagLo select 2 during cache initPaul Burton2015-01-29-2/+8
| | | | | | | | | | 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>
* MIPS: allow systems to skip loads during cache initPaul Burton2015-01-29-6/+19
| | | | | | | | | | | | | 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>
* MIPS: inline mips_init_[id]cache functionsPaul Burton2015-01-29-58/+28
| | | | | | | | | | | 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>
* MIPS: refactor cache loops to a macroPaul Burton2015-01-29-17/+13
| | | | | | | | 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>
* MIPS: refactor L1 cache config reads to a macroPaul Burton2015-01-29-56/+41
| | | | | | | | | 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>
* MIPS: unify cache initialization codePaul Burton2015-01-29-224/+15
| | | | | | | | | | | | | | 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>
* MIPS: unify cache maintenance functionsPaul Burton2015-01-29-167/+119
| | | | | | | | | 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>
* MIPS: avoid .set ISA for cache operationsPaul Burton2015-01-29-38/+33
| | | | | | | | | | | | As a step towards unifying the cache maintenance code for mips32 & mips64 CPUs, stop using ".set <ISA>" directives in the more developed mips32 version of the code. Instead, when present make use of the GCC builtin for emitting a cache instruction. When not present, simply don't bother with the .set directives since U-boot always builds with -march=mips32 or higher anyway. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: add support for pre-relocation mallocDaniel Schwierzeck2015-01-21-4/+46
| | | | | | | | | | | Implement MIPS specific setup of the gd_t structure to support pre-relocation malloc. If CONFIG_SYS_MALLOC_F_LEN is specified, a memory area will be reserved after the initial stack area and the gd->malloc_base pointer will be initialized. After this patch the new driver model can be used on MIPS. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: add support for CONFIG_SYS_INIT_SP_ADDRDaniel Schwierzeck2015-01-21-2/+12
| | | | | | | | Support the existing config option CONFIG_SYS_INIT_SP_ADDR on MIPS. This allows to move the initial stack to other places than the beginning of RAM. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: add Kconfig option for CONFIG_SWAP_IO_SPACEDaniel Schwierzeck2015-01-21-0/+4
| | | | Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: replace $(CPU) with Kconfig symbolsDaniel Schwierzeck2015-01-21-2/+12
| | | | | | | Conditionally set head-y and lib-y with boolean Kconfig symbols for selected CPU. This deprecates the usage of the $(CPU) variable. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: use common code from lib/time.cThomas Langer2015-01-21-110/+8
| | | | | | | | | | | | | The common code just needs the C0_COUNT as free running counter, without the need of writing and checking C0_COMPARE. The function get_tbclk() is still implemented here instead of changing all places of CONFIG_SYS_MIPS_TIMER_FREQ to CONFIG_SYS_TIMER_RATE. The change was tested on a MIPS32 system, but as the MIPS64 code was/is the same, this should be no problem. Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
* MIPS: bootm: add bootstage reportingDaniel Schwierzeck2015-01-21-2/+6
| | | | Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: bootm: prepare a flattened device tree for the kernelDaniel Schwierzeck2015-01-21-2/+47
| | | | | | | | | | | | 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>
* MIPS: bootm: add mem, rd_start and rd_size to kernel command lineDaniel Schwierzeck2015-01-21-0/+26
| | | | | | | | 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>
* MIPS: bootm: refactor preparation of Linux kernel environmentDaniel Schwierzeck2015-01-21-1/+22
| | | | | | | | 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>
* MIPS: bootm: refactor preparation of Linux kernel command lineDaniel Schwierzeck2015-01-21-2/+27
| | | | | | | | 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>
* Replace <compiler.h> with <linux/compiler.h>Masahiro Yamada2014-12-08-1/+1
| | | | | | Including <linux/compiler.h> is enough for general use. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* Kbuild: introduce Makefile in arch/$ARCH/Daniel Schwierzeck2014-12-08-0/+8
| | | | | | | | | | | | | | | Introduce a Makefile under arch/$ARCH/ and include it in the top Makefile (similar to Linux kernel). This allows further refactoringi like moving architecture-specific code out of global makefiles, deprecating config variables (CPU, CPUDIR, SOC) or deprecating arch/$ARCH/config.mk. In contrary to Linux kernel, U-Boot defines the ARCH variable by Kconfig, thus the arch Makefile can only included conditionally after the top config.mk. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Acked-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* MIPS: bootm: remove unused or redundant header filesDaniel Schwierzeck2014-11-27-3/+0
| | | | Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: bootm: add missing initramfs relocationDaniel Schwierzeck2014-11-27-0/+20
| | | | | | | | | 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>
* MIPS: remove board.cDaniel Schwierzeck2014-11-27-323/+0
| | | | | | | 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>
* MIPS: fix setup of initial stack frameDaniel Schwierzeck2014-11-27-4/+10
| | | | | | | | | To get correct stack walking and backtrace functionality in gdb, registers fp and ra should be initialized before calling board_init_f or board_init_r. Thus allocating stack space and zeroing it as it is currently done in board.c becomes obsolete. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* kbuild: use SoC-specific CONFIG to descend into SoC directoryMasahiro Yamada2014-11-23-1/+1
| | | | | | Use "obj-$(CONFIG_FOO) += foo/" where it is possible. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* kbuild: Descend into SOC directory from CPU directoryMasahiro Yamada2014-11-23-0/+2
| | | | | | | | | Some CPUs of some architectures have SOC directories. At present, the build system directly descends into SOC directories from the top Makefile, but it should generally descend into each directory from its parent directory. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* include: move various macros to include/linux/kernel.hMasahiro Yamada2014-11-20-2/+0
| | | | | | | | | | | | | | | | | | | | | | | U-Boot has imported various utility macros from Linux scattering them to various places without consistency. In include/common.h are min, max, min3, max3, ARRAY_SIZE, ALIGN, container_of, DIV_ROUND_UP, etc. In include/linux/compat.h are min_t, max_t, round_up, round_down, etc. We also have duplicated defines of min_t in some *.c files. Moreover, we are suffering from too cluttered include/common.h. This commit moves various macros that originate in include/linux/kernel.h of Linux to their original position. Note: This commit simply moves the macros; the macros roundup, min, max, min2, max3, ARRAY_SIZE are different from those of Linux at this point. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* MIPS: add .padding section to linker scriptDaniel Schwierzeck2014-11-01-1/+19
| | | | | | | | | | | | | | | | | | | | | | | Commit 79fd7e649e287228a1445820a72f7dd33baedb96 MIPS: always keep all sections in u-boot ELF binary. Always keep all sections in u-boot ELF binary. Move all unneeded sections after _end to avoid allocating space in the final binary. Also remove .deadcode section which is now obsolete. removed section .deadcode because the original symptoms were not visible anymore. Unfortuneatly the binutils bug still exists. The size of .rel.dyn section is often bigger than needed for all entries. But objcopy only allocates space as much as required for all reloc entries. Thus there is a gap between the last entry and __rel_dyn_end in u-boot.bin. If u-boot is booted from RAM (e.g. in SPL scenarios) that area could contain garbage data which could lead to CPU exceptions during relocation. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: refactor setting of compiler optionsDaniel Schwierzeck2014-11-01-41/+29
| | | | | | | Refactor and unify all compiler settings in arch/mips/config.mk. Also add tune flags for each supported CPU type. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: kconfig: merge targets qemu_mips and qemu_mips64Daniel Schwierzeck2014-11-01-6/+2
| | | | | | | | Now the user can separately select the CPU type. Thus the targets qemu_mips and qemu_mips64 can be merged to a single target. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: kconfig: globally define CONFIG_SYS_CPU for MIPSDaniel Schwierzeck2014-11-01-0/+4
| | | | | | | Now the user can select the CPU type for each target. Thus CONFIG_SYS_CPU could be set globally. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: kconfig: add options for CPU type selectDaniel Schwierzeck2014-11-01-0/+68
| | | | | | | | Add new Kconfig option to let the user select the targets CPU type. Each target have to select SUPPORTS_CPU_MIPS[32,64]_R[1,2] to indicate which CPU types are supported. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* MIPS: kconfig: add options for endianess selectDaniel Schwierzeck2014-11-01-0/+38
| | | | | | | | | Add new Kconfig option to let the user select the targets endianess. Each target have to select SUPPORTS_BIG_ENDIAN and/or SUPPORTS_LITTLE_ENDIAN to indicate which endianess is supported. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* mips: enable CONFIG_USE_PRIVATE_LIBGCC by defaultMasahiro Yamada2014-10-23-0/+3
| | | | | | | | | | | | | | | | | | Without the private libgcc, we need a full multilib toolchain with different libgcc or multiple toolchains to build all BE/LE and hard-float/soft-float variants of MIPS boards. That is not feasible. This commit allows us to build all the MIPS boards with a single kernel.org toolchain: https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/ x86_64-gcc-4.9.0-nolibc_mips-linux.tar.xz This change sounds reasonable for most users. If necessary, you can disable this option via "make menuconfig" or friends. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
* kconfig: remove redundant "string" type in arch and board KconfigsMasahiro Yamada2014-09-13-1/+0
| | | | | | | | | | | | | | | | | | Now the types of CONFIG_SYS_{ARCH, CPU, SOC, VENDOR, BOARD, CONFIG_NAME} are specified in arch/Kconfig. We can delete the ones in arch and board Kconfig files. This commit can be easily reproduced by the following command: find . -name Kconfig -a ! -path ./arch/Kconfig | xargs sed -i -e ' /config[[:space:]]SYS_\(ARCH\|CPU\|SOC\|\VENDOR\|BOARD\|CONFIG_NAME\)/ { N s/\n[[:space:]]*string// } ' Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* kconfig: delete redundant CONFIG_${ARCH} definitionMasahiro Yamada2014-07-30-1/+1
| | | | | | | CONFIG_${ARCH} is defined by Kconfig. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* kconfig: add board Kconfig and defconfig filesMasahiro Yamada2014-07-30-0/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds: - arch/${ARCH}/Kconfig provide a menu to select target boards - board/${VENDOR}/${BOARD}/Kconfig or board/${BOARD}/Kconfig set CONFIG macros to the appropriate values for each board - configs/${TARGET_BOARD}_defconfig default setting of each board (This commit was automatically generated by a conversion script based on boards.cfg) In Linux Kernel, defconfig files are located under arch/${ARCH}/configs/ directory. It works in Linux Kernel since ARCH is always given from the command line for cross compile. But in U-Boot, ARCH is not given from the command line. Which means we cannot know ARCH until the board configuration is done. That is why all the "*_defconfig" files should be gathered into a single directory ./configs/. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org>
* common/board_f: Initialized global data for generic boardYork Sun2014-05-12-0/+2
| | | | | | | | | | | | | Some platforms (tested on mpc85xx, mpc86xx) use global data before calling function baord_inti_f(). The data should not be cleared later. Any arch which uses global data in generic board board_init_f() should define CONFIG_SYS_GENERIC_GLOBAL_DATA. Signed-off-by: York Sun <yorksun@freescale.com> CC: Scott Wood <scottwood@freescale.com> CC: Simon Glass <sjg@chromium.org> CC: Albert ARIBAUD <albert.u.boot@aribaud.net> Acked-by: Simon Glass <sjg@chromium.org>
* bd_info: remove bi_barudrate member from struct bd_infoMasahiro Yamada2014-05-12-2/+0
| | | | | | | | | | | | | | | | | 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)
* MIPS: drop incaip boardDaniel Schwierzeck2014-04-20-3084/+0
| | | | | | | | | 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>
* MIPS: allow use of generic boardPaul Burton2014-04-20-0/+13
| | | | | | | | 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>
* MIPS: define __init_end in u-boot.ldsPaul Burton2014-04-20-0/+1
| | | | | | | | | The generic board code uses the __init_end symbol to calculate monitor_flash_len. Define said symbol for MIPS, equivalent to __image_copy_end which is used for the same purpose in arch/mips/lib/board.c. Signed-off-by: Paul Burton <paul.burton@imgtec.com>
* MIPS: move mips_io_port_base out of board.cPaul Burton2014-04-20-6/+14
| | | | | | | | 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>
generated by cgit v1.1 at 2024-11-09 01:20:10 +0000