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* [Blackfin] arch: add Blackfin on-chip SIR IrDA driver supportGraf Yang2008-04-24
| | | | | | | | | - add platform device resources in board files - add new bfin_sir.h to each machines Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: BF54x memsizes are in mbits, not mbytesMike Frysinger2008-04-24
| | | | | | | Pointed-out-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: try to remove condition that causes double fault, by ↵Robin Getz2008-04-24
| | | | | | | | checking current before it gets dereferenced Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Add platform support for MTD DATAFLASHMichael Hennerich2008-04-23
| | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: reorganize some of the board-customization options so that ↵Mike Frysinger2008-04-24
| | | | | | | | similar things are together and only available as needed Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Allow concurrent use of GPIO and GPIO IRQMichael Hennerich2008-04-23
| | | | | | | | | | | The irq setup code no longer calls gpio request and free. This patch also changes the default gpio_free behavior on Blackfin. A freed GPIO keeps it's last state, and is not defaulted back to an input. This is also what all other architectures do. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: detect the memory available in the system on the fly by defaultMike Frysinger2008-04-24
| | | | | | | | | detect the memory available in the system on the fly by default rather than forcing people to set this manually in the kconfig Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add implicit icplb for the bootrom so we can use the ↵Mike Frysinger2008-04-23
| | | | | | | | utility functions in the kernel Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Adjust the u-boot and kernel image partition size in mtd ↵Grace Pan2008-04-23
| | | | | | | | device. Signed-off-by: Grace Pan <grace.pan@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: use the same style for missing L1 sectionsMike Frysinger2008-04-23
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: now that we can panic() early, dont need the delayed L1 ↵Mike Frysinger2008-04-23
| | | | | | | | overflow check Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - Section data_l1_cacheline_aligned should be ↵Sonic Zhang2008-04-23
| | | | | | | | | | | | | | | | | | | | | defined in link script of kernel http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3978 Section data_l1_cacheline_aligned should be defined in link script of kernel, when L1 data sram bank A is not available. In bf536 with all data cache is enabled, there is no L1 data sram. Current link script won't define section data_l1.cacheline_aligned in this case. But, if user select put cacheline_aligned data into l1 sram in kernel menuconfig, these data will be dropped and access to these data will trigger data CPLB exception. Do panic in l1 relocation code as well. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Add a little bit more runtime info for MPURobin Getz2008-04-23
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: make the mask explicit rather than writing a negative ↵Mike Frysinger2008-04-23
| | | | | | | | number in hex Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: cplb-mpu code clean upMike Frysinger2008-04-23
| | | | | | | | | | - allow bootrom to be readable from supervisor mode - delete unused local variable "addr" - punt unused local defines of cplbinfo.c Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Give the DMA base registers a more descriptive nameBernd Schmidt2008-04-23
| | | | | | | | | | The DMA base registers are available in a global named "base_addr" for every Blackfin variant. Give this a more descriptive name, and remove duplicate tables from some drivers. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Consistently export base_addr for all Blackfin variants.Bernd Schmidt2008-04-23
| | | | | | Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Allow AD1836A board to be connected, either to SPORT2 or ↵Bernd Schmidt2008-04-23
| | | | | | | | SPORT3. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: actually implement get_cycles functionMike Frysinger2008-04-23
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add boot messages to quickly distinguish between MPU/NOMPU ↵Mike Frysinger2008-04-23
| | | | | | | | settings Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: theres no need to declare ram{end,start,base} in the head.S ↵Mike Frysinger2008-04-23
| | | | | | | | | | | | files theres no need to declare ram{end,start,base} in the head.S files when declaring them with the other memory related variables in setup.c is so much simpler/nicer Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: remove duplicated prototypes for internal cplb structures ↵Mike Frysinger2008-04-23
| | | | | | | | | | | from the global blackfin header remove duplicated prototypes for internal cplb structures from the global blackfin header as nothing else should be accessing these Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: declare list of peripherals as const since we dont modify ↵Mike Frysinger2008-04-23
| | | | | | | | the incoming array Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: merge ip0x-specific board changesMike Frysinger2008-04-23
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: USB header files are now located under linux/usb/.Peter Korsgaard2008-04-23
| | | | | | Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Resolve the clash issue of UART defines between blackfin ↵Graf Yang2008-04-23
| | | | | | | | | headers and include/linux/serial_reg. Signed-off-by: Graf Yang <graf.yang@analog.com> Cc: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Apply Bluetechnix vendor patchMichael Hennerich2008-04-23
| | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: This allows XIP to work with FD-PIC.Bernd Schmidt2008-04-23
| | | | | | | | | | | | | | | | | | | Previously, init failed to do anything meaningful; it turns out that the reason is that FD-PIC has a readonly data section which can be located in the XIP filesystem, and various address checks in the kernel reject such addresses for syscall arguments. Hence, init's execve ("/bin/sh", ...) failed with error code EFAULT. There's room for improvement here: in case people want to have filesystems on flash rather than in main memory, _access_ok should be modified to allow this. This bug fix is also dedicated to Michael Hennerich. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: support the reserved memory region in the MPU codeBernd Schmidt2008-04-23
| | | | | | | Pointed-out-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - a crash on bootup with CONFIG_MPU on the BF548Bernd Schmidt2008-04-23
| | | | | | | | | | | | | | | | | | | The function flush_switched_dcplbs was clearing the CPLB entries covering the process permission bitmasks. This means that the sequence flush_switched_dcplbs (); set_mask_dcplbs(mm->context.page_rwx_mask); has a problem: if kernel code (such as an interrupt) causes a CPLB miss before set_mask_dcplbs completes, the CPLB handler function causes a double fault, with an instantaneous reboot. This bug fix is dedicated to Michael Hennerich, the only person in the world capable of providing working JTAG hardware. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: a rather old performance improvement for the signal ↵Bernd Schmidt2008-04-23
| | | | | | | | | | | | | | | | handling code This is a rather old performance improvement for the signal handling code, which was originally only committed on the 2007R1 branch as a workaround for what we suspected to be a hardware bug. There's no point in constructing a sigreturn stub on the stack and flushing caches; we can just make signal handlers return to a known location in the fixed code area. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: finish removing remnants of old BF537_PORT_H option of ↵Mike Frysinger2008-04-23
| | | | | | | | | Blackfin EMAC driver Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Acked-by: Jeff Garzik <jeff@garzik.org>
* [Blackfin] arch: LARGE_ALLOCS was dropped along the way ... bring Blackfin ↵Mike Frysinger2008-04-22
| | | | | | | | in line Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: we no longer use BFIN_{SINGLE,DUAL}_CORE in our sourceMike Frysinger2008-04-22
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: boards and machines defconfig updatesBryan Wu2008-04-23
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: __FUNCTION__ is gcc-specific, use __func__Harvey Harrison2008-04-22
| | | | | | | | | | Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - make sure we check the right L1 lengthMeihui Fan2008-04-22
| | | | | | | Signed-off-by: Meihui Fan <mhfan@hhcn.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add support for the rest of the gptimers on the BF54xMeihui Fan2008-04-22
| | | | | | | Signed-off-by: Meihui Fan <mhfan@hhcn.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: relocate MAX_SWITCH_{D,I}_CPLBS from the header to the file ↵Mike Frysinger2008-04-22
| | | | | | | | | | | | | | | | | | | where it actually gets used. relocate MAX_SWITCH_{D,I}_CPLBS from the header to the file where it actually gets used. this way when we change CONFIG_MEM_SIZE in our kconfig, we only rebuild one or two files rather than a whole bunch that implicitly include cplb.h. this will also remove the ability to clear the swapcount on the fly, but i really dont think that functionality is important. ultimate goal is for CONFIG_MEM_SIZE to go away and calculate this value on the fly based on what u-boot programmed for us. Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: MEM_ADD_WIDTH only gets used when reprogramming clocks, so ↵Mike Frysinger2008-04-22
| | | | | | | | dont bother exposing it in the menu normally Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: update reboot code to match latest info (really just copy ↵Mike Frysinger2008-04-22
| | | | | | | | from u-boot) Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - Make the MPU code aware of the async banks and ↵Bernd Schmidt2008-04-22
| | | | | | | | | | | the uncached DMA area. Bug: CONFIG_MPU doesn't seem to handle access to ASYNC/IO Memory well http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3912 Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - when using trace buffer with CONFIG_MPU enabled.Bernd Schmidt2008-04-22
| | | | | | | | | | | | | | | | | There were a couple of problems with the way the trace buffer state is saved/restored in assembly. The DEBUG_HWTRACE_SAVE/RESTORE macros save a value to the stack, which is not immediately obvious; the CPLB exception code needed changes to load the correct value of the stack pointer. The other problem is that the SAVE/RESTORE macros weren't pushing and popping the value downwards on the stack, but rather moving it _upwards_, which is of course completely broken. We also need to make sure there's a matching DEBUG_HWTRACE_RESTORE in the error case of the CPLB handler. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix up - CONFIG_BLKFIN_WT was renamed CONFIG_BFIN_WT while ↵Bernd Schmidt2008-04-22
| | | | | | | | the MPU code was out-of-tree. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - grab locks when not atomicRobin Getz2008-03-25
| | | | | | | | | grab locks when not atomic - this fixes the issues sometimes seen when using magic sysrq. Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - when we crash, current is not validRobin Getz2008-03-25
| | | | | | | | | | Sometimes when we crash, current is not valid, (has been written over), so the existing code causes a invalid read during exception context - which is a unrecoverable double fault. This fixes this. Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add i2c board info struct and move to new-style i2c interfaceBryan Wu2008-03-25
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix up gpio code style -- no functional changesMike Frysinger2008-03-25
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: dump the stack before printing out an error otherwise the ↵Mike Frysinger2008-03-25
| | | | | | | | stack dump is useless as it shows us tracing through printk Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: conditionally enable flash resources since it requests the ↵Mike Frysinger2008-03-25
| | | | | | | | async memory bank Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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