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* mtd: mxs_nand: Add support for i.MX6Stefan Roese2013-04-22-2/+9
| | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Scott Wood <scottwood@freescale.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com>
* imx: Move some header files from arch-mxs to imx-commonStefan Roese2013-04-22-1/+3
| | | | | | | | | | | | | | | | | | | The following headers are moved to a i.MX common location: - regs-common.h - regs-apbh.h - regs-bch.h - regs-gpmi.h - dma.h This way this header can be re-used also by other i.MX platforms. For example the i.MX6 which will need it for the upcoming NAND support. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Stefano Babic <sbabic@denx.de> Cc: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com>
* mtd: nand: mxs: reset BCH earlier, too, to avoid NAND startup problemsWolfram Sang2012-12-11-0/+3
| | | | | | | | | | | | | It could happen (1 out of 100 times) that NAND did not start up correctly after warm rebooting, so we end up with various failures or DMA timed out due to a stalled BCH. When resetting BCH together with GPMI, the issue could not be observed anymore (after 10000+ reboots). We probably need the consistent state already before sending commands to NAND. This behaviour was observed in barebox and kernel, so I assume it affects U-Boot as well. I chose to keep the extra reset for BCH when changing the flash layout to be on the safe side. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Marek Vasut <marex@denx.de>
* NAND: MXS: include common.h first so cache.h is included in correct orderTom Warren2012-09-10-1/+1
| | | | | | | | | | With Simon Glass's include/nand.h alignment changes, some mxs builds were generating errors. Fix is to ensure asm/cache.h is included before linux/mtd/nand.h. Moving common.h to top of include list does that. Signed-off-by: Tom Warren <twarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Marek Vasut <marex@denx.de>
* mxs: Convert sys_proto.h prefixes to 'mxs'Otavio Salvador2012-09-01-3/+3
| | | | | | | The sys_proto.h functions (except the boot modes) are compatible with i.MX233 and i.MX28 so we use 'mxs' prefix for its methods. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
* mxs: prefix register structs with 'mxs' prefixOtavio Salvador2012-09-01-6/+6
| | | | Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
* DMA: Split the APBH DMA init into block and channel initMarek Vasut2012-04-16-2/+9
| | | | | | | | | | | | | | | | | | | | | | | This fixes the issue where mxs_dma_init() was called either twice or never, without introducing any new init hooks. The idea is to allow each and every device using the APBH DMA block to configure and request only the channels it uses, instead of making it call init for all the channels as is now. The common DMA block init part, which only configures the block, is then called from CPUs arch_cpu_init() call. NOTE: This patch depends on: http://patchwork.ozlabs.org/patch/150957/ Signed-off-by: Marek Vasut <marex@denx.de> Cc: Stefano Babic <sbabic@denx.de> Cc: Wolfgang Denk <wd@denx.de> Cc: Detlev Zundel <dzu@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com> Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
* i.MX28: Add cache support to MXS NAND driverMarek Vasut2012-03-29-3/+50
| | | | | Signed-off-by: Marek Vasut <marex@denx.de> Cc: Stefano Babic <sbabic@denx.de>
* iMX28: Add GPMI NAND driverMarek Vasut2011-11-11-0/+1118
Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Cc: Scott Wood <scottwood@freescale.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Wolfgang Denk <wd@denx.de> Cc: Detlev Zundel <dzu@denx.de>
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