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* sh: Make memory hot-add and hot-remove depend on MMU.Paul Mundt2008-09-17
| | | | | | | Cleans up link numerous build issues with page migration and so on when enabled on nommu builds. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add support for memory hot-remove.Paul Mundt2008-09-07
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Disable 64kB hugetlbpage size when using 64kB PAGE_SIZE.Paul Mundt2008-08-11
| | | | | | | | | Presently we oops in mm/hugetlb.c:1325, which is the order == 0 test in hugetlb_add_hstate() called at initialization time. So, disable 64kB huge pages when we're using a 64kB PAGE_SIZE. On most parts this will force the default to be 1MB huge pages. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* SH2(A) cache updateYoshinori Sato2008-08-04
| | | | | | | | | Includes: - SH2 (7619) Writeback support. - SH2A cache handling fix. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: fix uImage Entry PointYoshihiro Shimoda2008-07-28
| | | | | | | | fix the problem that cannot boot using uImage when PAGE_SIZE is 8kbyte or 64kbyte. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add support for 16kB PAGE_SIZE.Paul Mundt2008-07-28
| | | | | | | | 16kB is a useful size on nommu, while 64kB still tends to be too big to be useful. Newer MMUs are likely to support this as well, so plug it in in anticipation of those, too. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Support variable page sizes on nommu.Paul Mundt2008-07-28
| | | | | | | PAGE_SIZE doesn't need to be fixed at 4096 on nommu, so stub in a !MMU case for the various PAGE_SIZE Kconfig options. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Flag PMB support as EXPERIMENTAL.Paul Mundt2008-03-06
| | | | | | | There's still work that needs to be done here, and this should not be enabled by default on existing boards. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Bump the MEMORY_SIZE default to something reasonable.Paul Mundt2008-01-27
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Switch SH-5 to use CONFIG_PAGE_OFFSET.Paul Mundt2008-01-27
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix up 64kB page size selection on SH-5.Paul Mundt2008-01-27
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Split out 29-bit and 32-bit physical mode definitions.Paul Mundt2008-01-27
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Switch Kconfig.sh64 to use arch/sh/mm/Kconfig.Paul Mundt2008-01-27
| | | | | | Consolidates the HUGETLB definitions and others. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move CPU subtypes to Kconfig.sh.Paul Mundt2008-01-27
| | | | | | | We intend to share the mm options, so move the SH-only subtypes up a level. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off the remaining ST40 cruft.Paul Mundt2007-11-06
| | | | | | | | | | | | | The ST40 stuff in-tree hasn't built for some time, and hasn't been updated for over 3 years. ST maintains their own out-of-tree changes and rebases occasionally, and that's ultimately where all of the ST40 users go anyways. In order for the ST40 code to be brought up to date most of the stuff removed in this changeset would have to be rewritten anyways, so there's very little benefit in keeping the remnants around either. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Support extended mode TLB on SH-X3.Paul Mundt2007-09-27
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Bump MAX_ACTIVE_REGIONS for SH7785.Paul Mundt2007-09-27
| | | | | | | | When using URAM in NUMA mode another active region is needed. Bump this up so we don't trigger the region truncation in add_active_range(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Disable 4kB pages on extended mode TLB.Paul Mundt2007-09-26
| | | | | | | | | | | | 4kB pages are unstable on extended mode TLB, it's recommended that TLB compat mode be used when using a 4kB PAGE_SIZE. Set the default for extended mode to 8kB. This should have negligible impact, as other than the extra swap cache entry bits, there's no reason to use the extended mode TLB with 4kB pages. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Initial SH-X3 SMP support.Paul Mundt2007-09-21
| | | | | | | | | | | This adds basic support for SH-X3 SMP (4 CPUs). More IPI and cache debugging is necessary, mostly interfacing the d-cache coherency and the I-cache broadcast invalidates. Only for testing at present! Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Wire up URAM node on SH7785.Paul Mundt2007-09-20
| | | | | | Add SH7785 URAM as node 1, follows the SH-X3 change. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Don't enable FPU for SH4AL-DSP.Paul Mundt2007-09-20
| | | | | | | This leads to invalid configurations where both FPU and DSP support can be enabled in the same kernel, resulting in build failure. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: minor fixesMagnus Damm2007-09-20
| | | | | | | | | | This patch contains the following fixes: - Adds sh7785 support to CONFIG_EARLY_SCIF_CONSOLE_PORT. - Removes duplicate include from rts7751r2d irq code. - Removes CONFIG_CPU_HAS_INTC from sh7720 Kconfig entry. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove CONFIG_CPU_HAS_INTC_IRQMagnus Damm2007-09-20
| | | | | | | | | All processor specific interrupt code is now converted to make use of the new intc code. The config option CONFIG_CPU_HAS_INTC_IRQ is because of that pointless. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for sh7206Magnus Damm2007-09-20
| | | | | | | | | This patch converts the cpu specific interrupt setup code for sh7206 from ipr to intc. New vectors are also added to match the information provided by the datasheet. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for sh7619Magnus Damm2007-09-20
| | | | | | | | | This patch converts the cpu specific interrupt setup code for sh7619 from ipr to intc. New vectors are also added to match the information provided by the datasheet. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add SH7720 CPU support.Markus Brunner2007-09-20
| | | | | | | | This adds support for the SH7720 (SH3-DSP) CPU. Signed-off by: Markus Brunner <super.firetwister@gmail.com> Signed-off by: Mark Jonas <toertel@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Bump up NODES_SHIFT for SH-X3.Paul Mundt2007-09-20
| | | | | | | This was at 1, which is where most subtypes want it. SH-X3 has more nodes, so bump it up to 3. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove intc2 codeMagnus Damm2007-09-20
| | | | | | | There is no point in keeping around the now unused intc2 code. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Initial multiple-node support for SH-X3.Paul Mundt2007-09-20
| | | | | | Wire up CPU#0 URAM as node 1 on SH-X3. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for x3Magnus Damm2007-09-20
| | | | | | | | | | | This patch converts the cpu specific interrupt setup code for x3 from intc2 to intc. New vectors are also added to match the preliminary information. Use plat_irq_setup_pins() to select between IRQ and IRL mode for IRQ0-3. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for SH7760Magnus Damm2007-09-20
| | | | | | | | | | | | | | | | This patch converts the cpu specific interrupt setup code for sh7760 from ipr + intc2 to intc. New vectors are also added to match the information provided by the datasheet. Vectors for IRQ4-IRQ7 are enabled by default. Use plat_irq_setup_pins() if pins IRL0-3 should be used in IRLM mode. The patch also adds the SIM block to the serial port platform data. Version two of this patch fixes MMCIF problems reported by Manuel Lauss. Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for SH7785Magnus Damm2007-09-20
| | | | | | | | | | | | This patch converts the cpu specific interrupt setup code for sh7785 from intc2 to intc. New vectors are also added to match the information provided by the datasheet. No IRQ/IRL pin vectors are enabled by default. Use plat_irq_setup_pins() to select between IRL and IRQ mode. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Support explicit L1 cache disabling.Paul Mundt2007-09-20
| | | | | | | | | This reworks the cache mode configuration in Kconfig, and allows for explicit selection of write-back/write-through/off configurations. All of the cache flushing routines are optimized away for the off case. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for SH7706, SH7707, SH7708, SH7709Magnus Damm2007-09-20
| | | | | | | | | | | | | | | | | | | This patch unifies the cpu specific interrupt setup code for sh7706, sh7707, sh7708 and sh7709 and moves the code into a new file called setup-sh770x.c. It makes sense to share the setup code between these processors because most hardware blocks are identical from a software point of view. With this patch the sh770x processors now have a complete set of vectors that match with the information provided by the data sheets. This is a big improvement for sh7708. Vectors for IRQ4 and IRQ5 are enabled by default. Use plat_irq_setup_pins() if pins IRQ0-3 should be used in IRQ mode. This patch also unifies the platform device setup code which means that the rtc driver now has platform data for all sh770x processors. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for SH7710Magnus Damm2007-09-20
| | | | | | | | | | | | | | | | | This patch converts the cpu specific interrupt setup code for sh7710 from ipr to intc. While at it new vectors are added to match the information provided by the datasheet. Version two simplifies the Kconfig part. Vectors for IRQ4 and IRQ5 are enabled by default. Use plat_irq_setup_pins() if pins IRQ0-3 should be used in IRQ mode. This patch also adds sh7710 specific platform data for the rtc driver. The base address of SCIF1 is adjusted to match the datasheet. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for SH7705Magnus Damm2007-09-20
| | | | | | | | | | | | | | | This patch converts the cpu specific interrupt setup code for sh7705 from ipr to intc. While at it new vectors are added to match the information provided by the datasheet. Vectors for IRQ4 and IRQ5 are enabled by default. Use plat_irq_setup_pins() if pins IRQ0-3 should be used in IRQ mode. This patch also adds sh7705 specific platform data for the rtc driver. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove support for sh7300 and solution engine 7300Magnus Damm2007-07-26
| | | | | | | | | This patch removes old dead code: - kill off sh7300 cpu support - get rid of broken solution engine 7300 board support Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Restrict DSP support to specific CPUs.Paul Mundt2007-07-26
| | | | | | | | | Not all CPUs support the DSP, and this leads to problems when mixing and matching CPU types and DSP opcodes. Fix this up by only allowing CONFIG_SH_DSP to be enabled for the CPUs that explicitly have such a block. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove support for sh73180 and solution engine 73180Magnus Damm2007-07-24
| | | | | | | | | This patch removes old dead code: - kill off sh73180 cpu support - get rid of broken solution engine 73180 board support Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove old broken pint codeMagnus Damm2007-07-24
| | | | | | | | | The code in arch/sh/kernel/cpu/irq/pint.c doesn't compile, so let's get rid of it to make space for a future pint implementation on top of intc. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for SH7750 and its variantsMagnus Damm2007-07-20
| | | | | | | | | | | | | This patch converts the cpu specific 7750 setup code to use the new intc controller. Many new vectors are added and multiple processor variants including 7091, 7750, 7750s, 7750r, 7751 and 7751r should all have the correct vectors hooked up. IRLM interrupts can be enabled using ipr_irq_enable_irlm() which now is marked as __init. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for 7780Magnus Damm2007-07-19
| | | | | | | | | | | | | | | | This patch converts the cpu specific 7780 setup code to use the new intc controller. Many new vectors are added and also support for external interrupt sense configuration. So with this patch it is now possible to configure external interrupt pins as edge or level triggered using set_irq_type(). No external interrupts are registered by default. Use plat_irq_setup_pins() to select between IRQ or IRL mode. This patch also fixes the Alarm IRQ for the RTC. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for 7722 processorMagnus Damm2007-07-19
| | | | | | | | | | | This patch converts the cpu specific 7722 setup code to use the new intc controller. Many new vectors are added and also support for external interrupt sense configuration. So with this patch it is now possible to configure external interrupt pins as edge or level triggered using set_irq_type(). Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Select IPR-IRQ for SH7091.Paul Mundt2007-07-06
| | | | | | Fixes a compile failure for the Dreamcast. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Preliminary support for the SH-X3 CPU.Paul Mundt2007-06-20
| | | | | | This adds basic support for UP SH-X3. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Only support PMB for SH-X cores.Paul Mundt2007-06-15
| | | | | | | We don't have a PMB for SH-X2 or later, so only enable it for the few CPUs that support it. Fixes up the boot for SH4AL-DSP. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Tidy up dependencies for SH-2 build.Paul Mundt2007-06-11
| | | | | | | | | | | | SH-2 can presently get in to some pretty bogus states, so we tidy up the dependencies a bit and get it all building again. This gets us a bit closer to a functional allyesconfig and allmodconfig, though there are still a few things to fix up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off dead SH7604 support.Paul Mundt2007-06-07
| | | | | | | | This was added during 2.5.x, but was never moved along. This can easily be resurrected if someone has one they wish to work with, but it's not worth keeping around in its current form. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: memory hot-add for sparsemem users support.Paul Mundt2007-06-07
| | | | | | | This enables simple hotplug support for sparsemem users. Presently this only permits memory being added in to node 0 on ZONE_NORMAL. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Make NUMA depend on sparsemem.Paul Mundt2007-06-07
| | | | | | | The only platforms that are supporting NUMA are doing so via sparsemem, so update the dependency. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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