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* MIPS: ath79: Switch to the clkdev frameworkGabor Juhos2013-09-03
| | | | | | | | | | | | | | | | | | | | | | | | | The ath79 code uses static clock devices and provides its own clk_{get,put} implementations. Change the code to use dynamically allocated clock devices and register the clocks within the clkdev framework. Additionally, remove the local clk_{get,put} implementation. The clkdev framework has a common implementation of those. Also move the call of ath79_clock_init() from plat_mem_init() to plat_time_init(). Otherwise it would not be possible to use memory allocation functions from ath79clock_init() becasuse the memory subsystem is not yet initialized when plat_mem_init() runs. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5780/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ath79: Use ath79_get_sys_clk_rate to get basic clock ratesGabor Juhos2013-09-03
| | | | | | | | | | | | | | | | | | | | Instead of accessing the rate field of the static clock devices directly, use the recently introduced helper function to get the rate of the basic clocks. The static ath79_{ahb,cpu,ddr,ref}_clk variables will be removed by a subsequent patch. The actual change is in preparation of that. Also move the clock frequency printing code into the plat_time_init function. We are getting the cpu clock rate there already so we can save an extra call of the helper. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5782/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ath79: Use a helper function to get system clock ratesGabor Juhos2013-09-03
| | | | | | | | | | | | The ath79 platform uses similar code to get the rate of various clocks during init. Separate the similar code into a new helper function and use that to avoid code duplication. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5778/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Delete __cpuinit/__CPUINIT usage from MIPS codePaul Gortmaker2013-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 3747069b25e419f6b51395f48127e9812abc3596 upstream. The __cpuinit type of throwaway sections might have made sense some time ago when RAM was more constrained, but now the savings do not offset the cost and complications. For example, the fix in commit 5e427ec2d0 ("x86: Fix bit corruption at CPU resume time") is a good example of the nasty type of bugs that can be created with improper use of the various __init prefixes. After a discussion on LKML[1] it was decided that cpuinit should go the way of devinit and be phased out. Once all the users are gone, we can then finally remove the macros themselves from linux/init.h. Note that some harmless section mismatch warnings may result, since notify_cpu_starting() and cpu_up() are arch independent (kernel/cpu.c) and are flagged as __cpuinit -- so if we remove the __cpuinit from the arch specific callers, we will also get section mismatch warnings. As an intermediate step, we intend to turn the linux/init.h cpuinit related content into no-ops as early as possible, since that will get rid of these warnings. In any case, they are temporary and harmless. Here, we remove all the MIPS __cpuinit from C code and __CPUINIT from asm files. MIPS is interesting in this respect, because there are also uasm users hiding behind their own renamed versions of the __cpuinit macros. [1] https://lkml.org/lkml/2013/5/20/589 [ralf@linux-mips.org: Folded in Paul's followup fix.] Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5494/ Patchwork: https://patchwork.linux-mips.org/patch/5495/ Patchwork: https://patchwork.linux-mips.org/patch/5509/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Idle: Consolidate all declarations in <asm/idle.h>.Ralf Baechle2013-05-21
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ath79: make use of the new memory detection codeJohn Crispin2013-05-07
| | | | | | | | | There is now a generic function for detecting memory size. Use this instead of the one found in the ath79 support. Signed-off-by: John Crispin <blogic@openwrt.org> Acked-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/5149/
* MIPS: ath79: add SoC detection code for the QCA955X SoCsGabor Juhos2013-02-19
| | | | | | | | | | | | Also add 'soc_is_qca955[68x]' helper functions and a Kconfig symbol for the SoC family. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4943/ Signed-off-by: John Crispin <blogic@openwrt.org>
* MIPS: ath79: add SoC detection code for AR934XGabor Juhos2012-05-15
| | | | | | | | | | | | Also add 'soc_is_ar934[124x]' helper functions and a Kconfig symbol for the AR934X SoCs. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Cc: linux-mips@linux-mips.org Cc: mcgrof@infradead.org Patchwork: https://patchwork.linux-mips.org/patch/3506/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ath79: sort case statements in ath79_detect_sys_typeGabor Juhos2012-05-15
| | | | | | | | | | | | Sort the case statements alphabetically in order to improve readability. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Cc: linux-mips@linux-mips.org Cc: mcgrof@infradead.org Patchwork: https://patchwork.linux-mips.org/patch/3505/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
*-. Merge branches 'next/ar7', 'next/ath79', 'next/bcm63xx', 'next/bmips', ↵Ralf Baechle2012-01-11
|\ \ | | | | | | | | | 'next/cavium', 'next/generic', 'next/kprobes', 'next/lantiq', 'next/perf' and 'next/raza' into mips-for-linux-next
| | * MIPS: ath79: Store the SoC revision in a global variableGabor Juhos2011-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Knowing the exact revision of the SoC is required to make runtime decisions in various code paths. We have determined the SoC revision already, so we only need to store that in a global variable. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: Imre Kaloz <kaloz@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3027/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| | * MIPS: ath79: add revision id for the AR933X SoCsGabor Juhos2011-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Kathy Giori <kgiori@qca.qualcomm.com> Cc: "Luis R. Rodriguez" <rodrigue@qca.qualcomm.com> Patchwork: https://patchwork.linux-mips.org/patch/2538/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| | * MIPS: ath79: Remove superfluous parenthesesGabor Juhos2011-12-07
| |/ | | | | | | | | | | | | | | | | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Kathy Giori <kgiori@qca.qualcomm.com> Cc: "Luis R. Rodriguez" <rodrigue@qca.qualcomm.com> Patchwork: https://patchwork.linux-mips.org/patch/2519/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* / MIPS: Fix up inconsistency in panic() string argument.Ralf Baechle2011-12-07
|/ | | | | | | | Panic() invokes printk() to add a \n internally, so panic arguments should not themselves end in \n. Panic invocations in arch/mips and elsewhere are inconsistently sometimes terminating in \n, sometimes not. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ath79: add common watchdog deviceGabor Juhos2011-01-18
| | | | | | | | | | | | | | All supported SoCs have a built-in hardware watchdog driver. This patch registers a platform_device for that to make it usable. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Imre Kaloz <kaloz@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Cc: Cliff Holden <Cliff.Holden@Atheros.com> Cc: Kathy Giori <Kathy.Giori@Atheros.com> Patchwork: https://patchwork.linux-mips.org/patch/1955/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ath79: utilize the MIPS multi-machine supportGabor Juhos2011-01-18
| | | | | | | | | | | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: Imre Kaloz <kaloz@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Cc: Cliff Holden <Cliff.Holden@Atheros.com> Cc: Kathy Giori <Kathy.Giori@Atheros.com> Patchwork: https://patchwork.linux-mips.org/patch/1949/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ath79: add GPIOLIB supportGabor Juhos2011-01-18
| | | | | | | | | | | | | | | This patch implements generic GPIO routines for the built-in GPIO controllers of the Atheros AR71XX/AR724X/AR913X SoCs. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Imre Kaloz <kaloz@openwrt.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: linux-mips@linux-mips.org Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Cc: Cliff Holden <Cliff.Holden@Atheros.com> Cc: Kathy Giori <Kathy.Giori@Atheros.com> Patchwork: https://patchwork.linux-mips.org/patch/1948/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Add initial support for the Atheros AR71XX/AR724X/AR931X SoCsGabor Juhos2011-01-18
This patch adds initial support for various Atheros SoCs based on the MIPS 24Kc core. The following models are supported at the moment: - AR7130 - AR7141 - AR7161 - AR9130 - AR9132 - AR7240 - AR7241 - AR7242 The current patch contains minimal support only, but the resulting kernel can boot into user-space with using of an initramfs image on various boards which are using these SoCs. Support for more built-in devices and individual boards will be implemented in further patches. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Imre Kaloz <kaloz@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Cc: Cliff Holden <Cliff.Holden@Atheros.com> Cc: Kathy Giori <Kathy.Giori@Atheros.com> Patchwork: https://patchwork.linux-mips.org/patch/1947/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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