- 11 8月, 2010 1 次提交
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由 Rabin Vincent 提交于
"ARM: Auto calculate ZRELADDR and provide option for exceptions" broke the Thumb-2 decompressor because it removed an entry in the LC0 table but didn't adjust the offset the Thumb-2 code uses to load the SP from that table. Fix it, and also change the ARM code to use the separate SP-load since ARM instructions that include the SP in the LDM register list are deprecated. Acked-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 12 7月, 2010 1 次提交
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由 Eric Miao 提交于
As long as the zImage is placed within the 128MB range from the start of memory, ZRELADDR (Address where the decompressed kernel will be placed, usually == PHYS_OFFSET + TEXT_OFFSET) can be determined at run-time by masking PC with 0xf80000000. Running through all the Makefile.boot, all those zreladdr-y addresses == 0x[0-f][08]00_0000 + TEXT_OFFSET can be determined at run-time. Option CONFIG_AUTO_ZRELADDR and CONFIG_ZRELADDR are introduced, CONFIG_ZRELADDR _must_ be explicitly specified if: - ((zreladdr-y - TEXT_OFFSET) & ~0xf8000000) != 0, which means masking PC with 0xf8000000 will result in an incorrect address. Currently this is only a problem on u300. - or the assumption of the zImage being loaded by the bootloader within the first 128MB of RAM is incorrect - or when ZBOOT_ROM is used, where the above assumption is usually wrong. [ukleinek: changed mask from 0xf0000000 to 0xf8000000 for mx1 and shark + some review fixes from the mailing list] Original-Idea-and-Signed-off-by: NNicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: NEric Miao <eric.miao@canonical.com> Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
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- 07 7月, 2010 1 次提交
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由 Eric Miao 提交于
The only reference in arch/arm/boot/compressed to PARAMS_PHYS is params() in head.S, which can be directly converted to the exact address as specified by arch/arm/mach-rpc/Makefile.boot. Signed-off-by: NEric Miao <eric.miao@canonical.com> Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
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- 17 6月, 2010 5 次提交
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由 Uwe Kleine-König 提交于
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
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由 Uwe Kleine-König 提交于
This adds missing registers to the list of corrupted registers and removes a wrong comment about r9 on entry While at it the formatting of the comment to cache_off is changed to resemble the other two. Acked-by: NEric Miao <eric.miao@canonical.com> Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
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由 Uwe Kleine-König 提交于
Probably the register content for cache operations is "don't care" in practice, but as r1 is explicitly zeroed, use that one. Acked-by: NEric Miao <eric.miao@canonical.com> Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
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由 Uwe Kleine-König 提交于
__armv3_mpu_cache_on seems broken. As there is noone around who knows about these machines just keep the code as is but point out the strange things. Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
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由 Uwe Kleine-König 提交于
Acked-by: NEric Miao <eric.miao@canonical.com> Acked-by: NNicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
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- 06 5月, 2010 1 次提交
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由 Haojian Zhuang 提交于
Update CPUID pattern of PXA9xx in head.S and fix the duplicate entries for pxa935. Signed-off-by: NHaojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: NEric Miao <eric.y.miao@gmail.com>
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- 08 4月, 2010 1 次提交
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由 Rabin Vincent 提交于
98e12b5a ("ARM: Fix decompressor's kernel size estimation for ROM=y") broke the Thumb-2 decompressor because it added an entry in the LC0 table but didn't adjust the offset the Thumb-2 code uses to load the SP from that table. Fix it. Cc: stable <stable@kernel.org> Signed-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 15 3月, 2010 1 次提交
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由 Sascha Hauer 提交于
This got broken with commit 0e056f20Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 26 2月, 2010 1 次提交
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由 Russell King 提交于
Commit 2552fc27 changed the way the decompressor decides if it is safe to decompress the kernel directly to its final location. Unfortunately, it took the top of the compressed data as being the stack pointer, which it is for ROM=n cases. However, for ROM=y, the stack pointer is not relevant, and results in the wrong answer. Fix this by explicitly storing the end of the biggybacked data in the decompressor, and use that to calculate the compressed image size. CC: <stable@kernel.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 13 2月, 2010 1 次提交
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由 Tony Lindgren 提交于
Otherwise more complicated uart configuration won't be possible. We can use r1 for tmp register for both head.S and debug.S. NOTE: This patch depends on another patch to add the the tmp register into all debug-macro.S files. That can be done with: $ sed -i -e "s/addruart,rx|addruart, rx/addruart, rx, tmp/" arch/arm/*/include/*/debug-macro.S Signed-off-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 20 1月, 2010 1 次提交
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由 Tony Lindgren 提交于
Without this patch arch/arm/compressed/head.S defaults to generic DCC code that does not work for v7. For more information on the v7 DCC, see Cortex-A8 TRM "12.11.1 Debug communications channel". To use it with post 2.6.33-rc1 or later, you need to have: CONFIG_DEBUG_LL=y ONFIG_DEBUG_ICEDCC=y CONFIG_EARLY_PRINTK=y Earlier kernels need commit 93fd03a8 backported. Tested on omap3430. Signed-off-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 28 11月, 2009 1 次提交
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由 Saeed Bishara 提交于
The Marvell Dove (88AP510) is a high-performance, highly integrated, low power SoC with high-end ARM-compatible processor (known as PJ4), graphics processing unit, high-definition video decoding acceleration hardware, and a broad range of peripherals. Signed-off-by: NLennert Buytenhek <buytenh@marvell.com> Signed-off-by: NSaeed Bishara <saeed@marvell.com> Signed-off-by: NNicolas Pitre <nico@marvell.com>
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- 24 7月, 2009 3 次提交
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由 Catalin Marinas 提交于
Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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由 Catalin Marinas 提交于
This patch adds the ARM/Thumb-2 unified support for the arch/arm/boot/* files. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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由 Catalin Marinas 提交于
Since the Thumb-2 instructions can be 16-bit wide, data in the .text sections may not be aligned to a 32-bit word and this leads to unaligned exceptions. This patch does not affect the ARM code generation. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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- 20 6月, 2009 1 次提交
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由 Joonyoung Shim 提交于
This patch supports the cache handling for some old Feroceon cores for which the CPU ID is like 0x41159260. This is a complement to commit ab6d15d5. Signed-off-by: NJoonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: NNicolas Pitre <nico@marvell.com>
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- 30 5月, 2009 1 次提交
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由 Catalin Marinas 提交于
Starting with ARMv6, the CPUs support the BE-8 variant of big-endian (byte-invariant). This patch adds the core support: - setting of the BE-8 mode via the CPSR.E register for both kernel and user threads - big-endian page table walking - REV used to rotate instructions read from memory during fault processing as they are still little-endian format - Kconfig and Makefile support for BE-8. The --be8 option must be passed to the final linking stage to convert the instructions to little-endian Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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- 25 3月, 2009 1 次提交
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由 Paulius Zaleckas 提交于
Adds support for Faraday FA526 core. This core is used at least by: Cortina Systems Gemini and Centroid family Cavium Networks ECONA family Grain Media GM8120 Pixelplus ImageARM Prolific PL-1029 Faraday IP evaluation boards v2: - move TLB_BTB to separate patch - update copyrights Signed-off-by: NPaulius Zaleckas <paulius.zaleckas@teltonika.lt>
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- 23 3月, 2009 1 次提交
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由 Eric Miao 提交于
"""The Marvell® PXA168 processor is the first in a family of application processors targeted at mass market opportunities in computing and consumer devices. It balances high computing and multimedia performance with low power consumption to support extended battery life, and includes a wealth of integrated peripherals to reduce overall BOM cost .... """ See http://www.marvell.com/featured/pxa168.jsp for more information. 1. Marvell Mohawk core is a hybrid of xscale3 and its own ARM core, there are many enhancements like instructions for flushing the whole D-cache, and so on 2. Clock reuses Russell's common clkdev, and added the basic support for UART1/2. 3. Devices are a bit different from the 'mach-pxa' way, the platform devices are now dynamically allocated only when necessary (i.e. when pxa_register_device() is called). Description for each device are stored in an array of 'struct pxa_device_desc'. Now that: a. this array of device description is marked with __initdata and can be freed up system is fully up b. which means board code has to add all needed devices early in his initializing function c. platform specific data can now be marked as __initdata since they are allocated and copied by platform_device_add_data() 4. only the basic UART1/2/3 are added, more devices will come later. Signed-off-by: NJason Chagas <chagas@marvell.com> Signed-off-by: NEric Miao <eric.miao@marvell.com>
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- 28 2月, 2009 1 次提交
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SCALE: add ice dcc support Tested on the ixp425 with the ice PEEDI Ack-by: NEric Miao <eric.miao@marvell.com> Signed-off-by: NJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 02 12月, 2008 1 次提交
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由 Eric Miao 提交于
PXA935 has changed its implementor ID from Intel to Marvell, this patch modifies arch/arm/boot/compressed/head.S and proc-xsc3.S to support a smooth bootup. Signed-off-by: NEric Miao <eric.miao@marvell.com>
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- 06 11月, 2008 1 次提交
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由 Catalin Marinas 提交于
The flush_cache_all function on ARMv7 is implemented as a series of cache operations by set/way. These are not guaranteed to be ordered with previous memory accesses, requiring a DMB. This patch also adds barriers for the TLB operations in compressed/head.S Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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- 03 10月, 2008 1 次提交
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由 Catalin Marinas 提交于
These instructions were placed in the code directly as opcodes because early compilers didn't support them. Toolchains supporting ARMv7 understand these instructions and the patch puts the mnemonics back. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 01 9月, 2008 1 次提交
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由 Catalin Marinas 提交于
This declaration specifies the "function" type and size for various assembly functions, mainly needed for generating the correct branch instructions in Thumb-2. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 07 8月, 2008 1 次提交
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由 Russell King 提交于
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 23 6月, 2008 1 次提交
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由 Nicolas Pitre 提交于
Tweak the Feroceon match/mask in arch/arm/boot/compressed/head.S to match a couple of newer Feroceon cores (such as the 88fr571vd with CPU ID 0x56155710, and the 88fr131 with CPU ID 0x56251310) as well. Signed-off-by: NNicolas Pitre <nico@marvell.com> Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
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- 26 1月, 2008 2 次提交
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由 Nicolas Pitre 提交于
The cache replacement policy on the Feroceon core doesn't guarantee that reading through a linear chunk of memory flushes the entire cache. This is however what the default method for ARMv5TE cores does. Although the Feroceon is an ARMv5TE core, it implements the same cache handling instructions as the ARMv5TEJ cores, and must use it for proper cache flush. Signed-off-by: NNicolas Pitre <nico@marvell.com> Acked-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Nicolas Pitre 提交于
The default ARMv4 method consisting of reading through some memory area isn't compatible with the cache replacement policy of some ARMv5TEJ compatible cache implementations. It is also a bit wasteful when a dedicated instruction can do the needed work optimally. It is hard to tell if all ARMv5TEJ cores will support the used CP15 instruction, but at least all those implementations Linux currently knows about (ARM926 and ARM1026) do support it. Tested on an OMAP1610 H2 target. Signed-off-by: NNicolas Pitre <nico@marvell.com> Tested-by: NGeorge G. Davis <gdavis@mvista.com> Acked-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 18 12月, 2007 1 次提交
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由 Uwe Kleine-König 提交于
According to ARM7TDMI Technical Reference Manual (ARM DDI 0210C) writing to the DCC data write register coproc dest registers are 1 and 0, not 0 and 1. ARM920T TRM (ARM DDI 0151C) agrees on that. Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: NUwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 22 7月, 2007 1 次提交
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由 Ben Dooks 提交于
Rename CONFIG_S3C2410_LOWLEVEL_UART_PORT to be CONFIG_S3C_LOWLEVEL_UART_PORT as we move to using plat-s3c for base of S3C operations. Signed-off-by: NBen Dooks <ben-linux@fluff.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 12 7月, 2007 1 次提交
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由 Catalin Marinas 提交于
The current arch/arm/boot/compressed/head.S code only supports cores to ARMv6 with the old CPU Id format. This patch adds support for the new ARMv6 with the new CPU Id and ARMv7 cores that no longer have the ARMv4 cache operations. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 26 6月, 2007 1 次提交
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由 Catalin Marinas 提交于
In the arch/arm/boot/compressed/head.S file, the contents of the literal pool accumulated during the relocatable code must be dumped before reloc_end. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 03 6月, 2007 1 次提交
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由 Catalin Marinas 提交于
ARMv7 support code requires a valid stack for saving/restoring registers as the whole D-cache flushing function is more complex. This patch ensures that the SP register is not corrupted. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 30 9月, 2006 1 次提交
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由 Lennert Buytenhek 提交于
We currently have a hardcoded 4 megabyte uncompressed kernel image size limit, which is easily exceeded by, for example, enabling some of the various kernel debugging options. When setting up the initial page tables (which is where this 4M limit is hardcoded), it's actually relatively easy to find out the true size of the uncompressed kernel image and create enough page table entries for things to fit, so this patch makes it so. In the decompressor, we also need to know the size of the uncompressed kernel image, to figure out whether there is any chance that uncompressing the kernel might overwrite the compressed kernel image stored elsewhere in memory. We don't have that info at this boot stage, though, so we approximate the size of the uncompressed kernel by taking the compressed kernel image size and allowing for a maximum 4x expansion. Signed-off-by: NLennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 28 9月, 2006 1 次提交
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由 Hyok S. Choi 提交于
All the current CP15 access codes in ARM arch can be categorized and conditioned by the defines as follows: Related operation Safe condition a. any CP15 access !CPU_CP15 b. alignment trap CPU_CP15_MMU c. D-cache(C-bit) CPU_CP15 d. I-cache CPU_CP15 && !( CPU_ARM610 || CPU_ARM710 || CPU_ARM720 || CPU_ARM740 || CPU_XSCALE || CPU_XSC3 ) e. alternate vector CPU_CP15 && !CPU_ARM740 f. TTB CPU_CP15_MMU g. Domain CPU_CP15_MMU h. FSR/FAR CPU_CP15_MMU For example, alternate vector is supported if and only if "CPU_CP15 && !CPU_ARM740" is satisfied. Signed-off-by: NHyok S. Choi <hyok.choi@samsung.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 25 9月, 2006 2 次提交
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由 Tony Lindgren 提交于
Adds support for CONFIG_DEBUG_ICEDCC for ARM11. Tested on ARM1136 (OMAP2420). Signed-off-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Lennert Buytenhek 提交于
The iop33x loadsp hunk in arch/arm/boot/compressed/head.S serves no purpose -- remove it. Signed-off-by: NLennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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