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* | arm : at91sam9x5 : fix a small bug for NANDBo Shen2012-09-01-0/+2
| | | | | | | | | | | | | | | | | | fix a bug: when not boot from NAND, the NAND flash can not be detected. Using this to fix it Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
* | AT91: Small fix on AT91 USART initialization codeXu, Hong2012-09-01-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | Before reset dbgu transmitter, we just wait TXEMPTY to drain the transmitter register(Just in case). If not doing this, we may sometimes see several weird characters from DBGU. A short delay is also added to make sure the new serial settings are settled. Signed-off-by: Hong Xu <hong.xu@atmel.com> [cherry-picked from u-boot-atmel/old-next] Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
* | at91sam9263ek: fix 'update' scriptAndreas Bießmann2012-09-01-1/+1
| | | | | | | | | | | | | | | | The old update script uses 'load_addr' which is never set. Use 'fileaddr' instead which is automagically set by e.g. dhcp. Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com> cc: Stelian Pop <stelian@popies.net>
* | ARM : at91sam9x5 : Remove CONFIG_ARCH_CPU_INITBo Shen2012-09-01-2/+0
| | | | | | | | | | | | | | Remove CONFIG_ARCH_CPU_INIT, no need it anymore Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
* | fsl_esdhc: Remove cache snooping for i.MXBenoît Thébaudeau2012-09-01-20/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The cache snooping feature of Freescale's eSDHC IP is not available on i.MX, so disable it globally for this architecture. This avoids setting no_snoop for all i.MX boards, and it prevents setting a reserved bit of a reserved register if fsl_esdhc_mmc_init() is used on i.MX, like in arch/arm/cpu/armv7/imx-common/cpu.c/cpu_mmc_init(). Since no_snoop was only used on i.MX, get rid of it BTW. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Andy Fleming <afleming@gmail.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Kim Phillips <kim.phillips@freescale.com>
* | mxc: Define architecture identifierBenoît Thébaudeau2012-09-01-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | Define ARCH_MXC for i.MX devices. This is useful to identify features or behaviors common to all i.MX SoCs. The i.MX28 is omitted because its architecture is a bit different (like imx/mxc vs. mxs in Linux). Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Andy Fleming <afleming@gmail.com> Cc: Kim Phillips <kim.phillips@freescale.com>
* | MX5: efikamx: substitutes GPIO_NUMBER with IMX_GPIO_NRStefano Babic2012-09-01-24/+24
| | | | | | | | | | | | | | | | | | The macro to get the gpio number id was renamed to IMX_GPIO_NR as in kernel. Fix the wrong name in efika. Signed-off-by: Stefano Babic <sbabic@denx.de> CC: Matt Sealey <matt@genesi-usa.com> Acked-by: Matt Sealey <matt@genesi-usa.com>
* | mx5:Use IMX_GPIO_NR macroAshok Kumar Reddy2012-09-01-20/+20
| | | | | | | | Signed-off-by: Ashok Kumar Reddy <ashokkourla2000@gmail.com>
* | efikamx: sync Smartbook DDR settings in DCD with those found in Genesi's ↵Matt Sealey2012-09-01-25/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | production U-Boot We have no idea where the DCD was derived from for Smartbook support, but they differ from the Smarttop settings, MX51EVK settings and certainly don't correspond to any shipped or development version of U-Boot that Genesi has ever had on any Smartbook. So, copy the calibrated, verified settings from the U-Boot as shipped with every Smartbook since retail production. Remove those few settings that just set the POR defaults which have already been confirmed for the previous Smarttop DCD change. One of the lines is specific to i.MX51 TO3 designs and therefore TO2 Smartbooks will possibly not work so reliably with this new DCD; that said, TO2 Smartbooks basically don't exist at retail and the number of units in the world is less than 5 (3 of which are at the Genesi office or owned by Genesi employees). Many hours of memory testing confirms the new settings are stable. Patch v2: * picked the correct commit from our development tree, correcting tuned DDR ODF setting (which was correct anyway) Signed-off-by: Matt Sealey <matt@genesi-usa.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Marek Vasut <marex@denx.de>
* | efikamx: update to Efika MX Smarttop and Smartbook boardsMatt Sealey2012-09-01-375/+229
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a rework of a previously submitted patchset and bundles the main board support and USB support into a single commit. It requires the patch "mx5: add iomux-mx51.h include" * Use iomux-mx51.h include to simplify board configuration. * Simplify LED support (remove efikamx_toggle_led, change lit LEDs). * Simplify MMC support for CD and WP pin differences. * Fix broken CPU voltage setting - comment said 1.1V but the code set to 1.2V. It should never have been set to 1.2V even on i.MX51 TO2 and all available Linux kernels would drop the voltage to 1.1V anyway and work reliably. This should lower power consumption during the boot process. * Function renames for readability. * Some board identification string changes to match actual product names. * Passes checkpatch (v2) Signed-off-by: Matt Sealey <matt@genesi-usa.com> Cc: Stefano Babic <sbabic@denx.de>
* | mxs: Convert timeout parameter to 'unsigned int'fabio.estevam@freescale.com2012-09-01-4/+6
| | | | | | | | | | | | | | | | | | For representing a timeout value, it makes more sense to pass it as 'unsigned int'. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | efikamx: update MAINTAINERS for Genesi Efika MX systemsMatt Sealey2012-09-01-2/+5
| | | | | | | | | | | | | | | | Update maintainer for "efikamx" and "efikasb" to myself. Signed-off-by: Matt Sealey <matt@genesi-usa.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Marek Vasut <marex@denx.de>
* | efikamx: configure Smarttop PCBID and LED pads in DCD for convenienceMatt Sealey2012-09-01-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PCBID pads seem to need time to settle due to external pulldowns, otherwise we are reading floating GPIO pins with implicit pad pullups and get the wrong data. However we can't "wait" at the time we need them before relocation, since timers are not available. The time taken to get from DCD to the code requiring the pads set seems to be more than long enough (even with caches enabled). We have space in the DCD due to the DDR settings changes to configure all the pad settings we need for this, plus the LED pad settings too which reduces the amount of code required later on. Signed-off-by: Matt Sealey <matt@genesi-usa.com> Acked-by: Stefano Babic <sbabic@denx.de>
* | efikamx: remove drive strength function and roll its functionality into the DCDMatt Sealey2012-09-01-101/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Efika MX boards configure their DDR pad settings twice, one in the DCD generated from imximage_*.cfg and again in init_drive_strength called before relocation. Rather than doing this, roll the changes it makes into the DCD so DDR is set up before a single line of code in U-Boot is run. The settings are identical with this DCD block which is shorter (by 7 entries) than the old one, and after the output of init_drive_strength since a lot of the functionality in the existing DCD and init_drive_strength function was just setting the POR defaults. This goes to explain some now-missing entries. Several hundred rounds of mtest have been run to test the settings before and after to confirm DDR is stable and no ill-effects have been found. Signed-off-by: Matt Sealey <matt@genesi-usa.com> Acked-by: Stefano Babic <sbabic@denx.de>
* | efikamx: move and rename Efika MX directories and config files to prepare ↵Matt Sealey2012-09-01-3/+3
| | | | | | | | | | | | | | | | | | | | | | for new boards * Move Efika MX Smarttop and Smartbook boards into a "genesi" vendor directory * Rename efikamx -> mx51_efikamx since there is an mx53_efikamx and mx6_efikamx to come Signed-off-by: Matt Sealey <matt@genesi-usa.com> Acked-by: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | MX28: m28evk: Enable SPI DMAMarek Vasut2012-09-01-0/+1
| | | | | | | | | | | | | | Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: Otavio Salvador <otavio@ossystems.com.br> Cc: Stefano Babic <sbabic@denx.de>
* | MX28: m28evk: Align SSP clock speedMarek Vasut2012-09-01-4/+4
| | | | | | | | | | | | | | | | | | | | Align the SSP clock speed with oscilator to achieve higher transfer stability. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: Otavio Salvador <otavio@ossystems.com.br> Cc: Stefano Babic <sbabic@denx.de>
* | MX28: SPI: Supercharge the SPI driverMarek Vasut2012-09-01-31/+65
| | | | | | | | | | | | | | | | | | | | This change implements DMA chaining into SPI driver. This allows the transfers to go much faster, while also fixing SF issues. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: Otavio Salvador <otavio@ossystems.com.br> Cc: Stefano Babic <sbabic@denx.de>
* | MX28: DMA: Prolong the DMA timeoutMarek Vasut2012-09-01-1/+1
| | | | | | | | | | | | | | | | | | | | | | Load from SPI flash can create a long DMA chain, which can take long time to transfer. Change the DMA timeout to roughly 10s to prevent such long chains misreporting errors. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: Otavio Salvador <otavio@ossystems.com.br> Cc: Stefano Babic <sbabic@denx.de>
* | MX28: DMA: Align the struct mxs_dma_descMarek Vasut2012-09-01-1/+2
| | | | | | | | | | | | | | | | | | Align this structure to DMA alignment size. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: Otavio Salvador <otavio@ossystems.com.br> Cc: Stefano Babic <sbabic@denx.de>
* | mx6qarm2:Use IMX_GPIO_NR macroAshok Kumar Reddy2012-09-01-2/+2
| | | | | | | | | | | | Signed-off-by: Ashok Kumar Reddy <ashokkourla2000@gmail.com> Acked-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Stefano Babic <sbabic@denx.de>
* | imx27lite: update with gpio api change (v4)trem2012-09-01-3/+7
| | | | | | | | | | Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr> Acked-by: Stefano Babic <sbabic@denx.de>
* | gpio: add gpio api support to mx27 (v4)trem2012-09-01-31/+73
| | | | | | | | | | | | | | The gpio api has been tested on an armadeus apf27. Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx5: add iomux-mx51.h includeMatt Sealey2012-09-01-0/+164
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow usage of the imx-common/iomux-v3.h framework by including pad settings for the i.MX51. The content of the file is taken from Linux kernel at commit 5d23b39 plus the required changes to make it work in U-Boot. The contained pad settings are the minimum required to make an Efika MX boot and get all the currently-implemented peripherals working in U-Boot. It is recommended that this file not be just a dumping ground for pins but only contain the settings required for all the boards using it. Changes for v2: * reference commit id from Linux kernel * additionally roll in the USB pads * removed GPIO_NUMBER define Signed-off-by: Matt Sealey <matt@genesi-usa.com> Acked-by: Stefano Babic <sbabic@denx.de>
* | mxs: Rename 'mx28_dram_init' to 'mxs_dram_init'Otavio Salvador2012-09-01-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The DRAM initialization, after SPL has complete, is exactly the same for all mxs SoCs so we should name it accordinly. The following boards has been changed: * apx4devkit * m28evk * mx28evk * sc_sps_1 Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
* | mxs: Only build internal Ethernet controller for i.MX28Otavio Salvador2012-09-01-1/+1
| | | | | | | | | | | | | | | | | | The internal Ethernet controller is only available on i.MX28 processors so it needs to use CONFIG_MX28 guardian to avoid having this code called in others. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Acked-by: Marek Vasut <marex@denx.de>
* | mxs: Replace i.MX233 by i.MX23 on copyright headerOtavio Salvador2012-09-01-1/+1
| | | | | | | | | | | | | | All other header are going to use i.MX23 so we change this for consistency. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
* | mxc: Make gpio_get_value() use PSRBenoît Thébaudeau2012-09-01-1/+1
| | | | | | | | | | | | | | | | | | | | | | gpio_get_value() should use PSR like Linux, not DR, because DR does not always reflect the pin state, while PSR does. This is especially useful to detect a short circuit on a GPIO pin configured as output, or to read the level of a pin controlled by a non-GPIO IOMUX function. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx53ard: Use IMX_GPIO_NR macroFabio Estevam2012-09-01-1/+1
| | | | | | | | Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
* | mx51evk: Use IMX_GPIO_NR macroFabio Estevam2012-09-01-3/+3
| | | | | | | | Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
* | mx53loco: Use IMX_GPIO_NR macroFabio Estevam2012-09-01-1/+1
| | | | | | | | Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
* | mx35: Remove declaration of non-existing functionBenoît Thébaudeau2012-09-01-2/+0
| | | | | | | | | | | | Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx35: Move clock enums to clock.hBenoît Thébaudeau2012-09-01-29/+29
| | | | | | | | | | | | Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx35: Remove declaration of non-existing functionBenoît Thébaudeau2012-09-01-1/+0
| | | | | | | | | | | | Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx35: Fix broken pin definitionsBenoît Thébaudeau2012-09-01-5/+2
| | | | | | | | | | | | Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx35 iomux: Remove unused macroBenoît Thébaudeau2012-09-01-2/+0
| | | | | | | | | | | | Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx5: Undeclare imx_decode_pll()Benoît Thébaudeau2012-09-01-2/+0
| | | | | | | | | | | | | | The imx_decode_pll() function does not exist for mx5, so remove its declaration. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de>
* | MX: Set a common gpio.h for all i.MXStefano Babic2012-09-01-80/+78
| | | | | | | | | | | | | | | | | | Each i.MX has its own gpio.h, defining the same structure. The internal GPIO controller has the same layout (at least for the register used by u-boot) and can be shared. Signed-off-by: Stefano Babic <sbabic@denx.de> Tested-by: Matt Sealey <matt@genesi-usa.com>
* | mxs: Use correct function name to initialize dramFabio Estevam2012-09-01-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | commit d92591a (mxs: Convert sys_proto.h prefixes to 'mxs') introduced a mxs_dram_init() function, which is not used anywhere. Fix it, so that the following warning goes away: mx28evk.c: In function ‘dram_init’: mx28evk.c:67:2: warning: implicit declaration of function ‘mx28_dram_init’ [-Wimplicit-function-declaration] Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Otavio Salvador <otavio@ossystems.com.br>
* | mx28evk: Remove unneeded 'undef'Fabio Estevam2012-09-01-1/+0
| | | | | | | | | | | | | | | | There is no need to undef an option that is not enabled by default. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | MX28: Move "regs-base.h" include after SoC type configurationOtavio Salvador2012-09-01-8/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For i.MX233 addition the base registers need to be change so the SoC definition needs to be known before the header include. The following boards has been changed: * apx4devkit * m28evk * mx28evk * sc_sps_1 Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Acked-by: Stefano Babic <sbabic@denx.de>
* | MX28: config: Allow different target generation in elftosb callOtavio Salvador2012-09-01-1/+4
| | | | | | | | | | | | | | | | The elftosb call needs to use a target param specific for i.MX28. This patch allow for later addition of i.MX233. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Acked-by: Marek Vasut <marex@denx.de>
* | mx35: Add cpu_mmc_init()Benoît Thébaudeau2012-09-01-1/+14
| | | | | | | | | | | | | | | | Add cpu_mmc_init() function to make it easy to init a single eSDHC instance. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx5/6: Fix cpu_mmc_init() return valueBenoît Thébaudeau2012-09-01-4/+2
| | | | | | | | | | | | | | | | | | Do not pretend to have initialized mmc successfully if CONFIG_FSL_ESDHC is not defined. Instead, only implement a custom cpu_mmc_init() when it does something. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* | spi: fix mxs_spi_slave structure allocation to clear memoryMatt Sealey2012-09-01-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use calloc() instead of malloc() to allocate the mxs_spi_slave structure. Clearing the memory is necessary since most of the time this gets done super early in boot, but on warm reboots, and when SPI probing is done long after the init stages it could actually pick up previously used memory, and things like the chipselect polarity and other data end up being filled with trash data if not explicitly set by the board files. This solves a semi-random, almost unreproducable error whereby SPI devices act very, very strangly on boot. Signed-off-by: Matt Sealey <matt@genesi-usa.com> Acked-by: Stefano Babic <sbabic@denx.de>
* | spi: fix mxc_spi_slave structure allocation to clear memoryMatt Sealey2012-09-01-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use calloc() instead of malloc() to allocate the mxc_spi_slave structure. Clearing the memory is necessary since most of the time this gets done super early in boot, but on warm reboots, and when SPI probing is done long after the init stages it could actually pick up previously used memory, and things like the chipselect polarity and other data end up being filled with trash data if not explicitly set by the board files. This solves a semi-random, almost unreproducable error whereby SPI devices act very, very strangly on boot. Tested on Efika MX over several years.. Signed-off-by: Matt Sealey <matt@genesi-usa.com> Acked-by: Stefano Babic <sbabic@denx.de>
* | mx53evk: add boot_mode supportTroy Kisky2012-09-01-0/+16
| | | | | | | | | | | | | | This allows a watchdog reset to start the ROM's usb/serial downloader, or boot from an sdcard. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
* | mx6qsabrelite: add boot_mode supportTroy Kisky2012-09-01-0/+17
| | | | | | | | | | | | | | This allows a watchdog reset to start the ROM's usb downloader, or boot from an sdcard. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
* | imx-common/cmd_bmode.c: add imx bmode (bootmode) commandTroy Kisky2012-09-01-0/+262
| | | | | | | | | | | | | | | | | | | | | | | | This is useful for forcing the ROM's usb downloader to activate upon a watchdog reset. Or, you can boot from either SD Card. Currently, support added for MX53 and MX6Q Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> Note: MX53 support untested. Acked-by: Stefano Babic <sbabic@denx.de>
* | iomux: move IOMUX_GPR13_xxx definesTroy Kisky2012-09-01-111/+130
| | | | | | | | | | | | | | Move mx6 specific defines to arch-mx6 directory. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> Acked-by: Stefano Babic <sbabic@denx.de>
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