- 24 Apr, 2008 12 commits
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Bernd Schmidt authored
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Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by:
Bryan Wu <cooloney@kernel.org>
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Graf Yang authored
[Blackfin] arch: fix bug - before assign new channel to the map register, need clear the bits first. http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=2445Signed-off-by:
Graf Yang <graf.yang@analog.com> Signed-off-by:
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Graf Yang authored
- add platform device resources in board files - add new bfin_sir.h to each machines Signed-off-by:
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Mike Frysinger authored
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Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Mike Frysinger <vapier.adi@gmail.com> Signed-off-by:
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Robin Getz authored
[Blackfin] arch: try to remove condition that causes double fault, by checking current before it gets dereferenced Signed-off-by:
Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by:
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Sonic Zhang authored
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Sonic Zhang <sonic.zhang@analog.com> Signed-off-by:
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Robert P. J. Day authored
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Robert P. J. Day <rpjday@crashcourse.ca> Acked-by:
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Mike Frysinger authored
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Michael Hennerich authored
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Mike Frysinger authored
[Blackfin] arch: reorganize some of the board-customization options so that similar things are together and only available as needed Signed-off-by:
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Michael Hennerich authored
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:
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Mike Frysinger authored
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:
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- 23 Apr, 2008 28 commits
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Michael Hennerich authored
If the new value written to the PLL_CTL or VR_CTL register is the same as the previous value, the PLL wake-up will occur immediately (PLL is already locked), but the core and system clock will be bypassed for the PLL_LOCKCNT duration. For this interval, code will execute at the CLKIN rate instead of at the expected CCLK rate. Software should guard against this condition by comparing the current value to the new value before writing the new value. Signed-off-by:
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Mike Frysinger authored
[Blackfin] arch: add implicit icplb for the bootrom so we can use the utility functions in the kernel Signed-off-by:
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Grace Pan authored
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Grace Pan <grace.pan@analog.com> Signed-off-by:
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Mike Frysinger authored
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Mike Frysinger authored
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Sonic Zhang authored
[Blackfin] arch: fix bug - Section data_l1_cacheline_aligned should be 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:
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Robin Getz authored
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Mike Frysinger authored
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Mike Frysinger authored
- allow bootrom to be readable from supervisor mode - delete unused local variable "addr" - punt unused local defines of cplbinfo.c Signed-off-by:
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Bernd Schmidt authored
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:
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Bernd Schmidt authored
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Bernd Schmidt authored
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Mike Frysinger authored
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Mike Frysinger authored
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Mike Frysinger authored
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 authored
[Blackfin] arch: remove duplicated prototypes for internal cplb structures 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:
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Mike Frysinger authored
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Mike Frysinger authored
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Peter Korsgaard authored
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Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by:
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Graf Yang authored
[Blackfin] arch: Resolve the clash issue of UART defines between blackfin headers and include/linux/serial_reg. Signed-off-by:
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Michael Hennerich authored
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Bernd Schmidt authored
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 authored
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Bernd Schmidt authored
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 authored
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:
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Mike Frysinger authored
Signed-off-by:
Jeff Garzik <jeff@garzik.org>
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Mike Frysinger authored
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Mike Frysinger authored
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