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* ARM: i.MX: When SRSR shows wdog then lookup reset source in wdogSascha Hauer2018-11-161-5/+1
| | | | | | | | | | | | | On i.MX6 when the watchdog has resetted the system then the SRSR register correctly shows that the watchdog has resetted the system. This is not the desired result though, a "reset" in barebox or "reboot" in Linux should result in "RST" as reset source. So instead of making the SRSR register value overwrite the reset source read from the watchdog registers, interpret the SRSR value corresponding to watchdog reset as "lookup details in the watchdog registers". Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
* ARM: i.MX8MQ: Add code to detect reset reasonAndrey Smirnov2018-08-131-0/+11
| | | | | | | | | Reset reason bits and their meaning seem to be identical between i.MX7 and i.MX8MQ. Share the definitions for the former and used it for the latter. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: Add i.MX8 supportSascha Hauer2018-06-081-0/+4
| | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> [andrew.smirnov@gmail.com: fix B0 chips to report IMX_CHIP_REV_2_0] Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: Make imx6_reset_reasons globalAndrey Smirnov2018-05-081-0/+9
| | | | | | | | | Both i.MX51 and i.MX53 have exactly the same reset source mapping, so rename imx6_reset_reasons to imx_reset_reasons and make it a globally visible constant so it could be shared. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: VFxxx: Detect cpu variant on startAndrey Smirnov2018-05-081-1/+1
| | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: Print "revision unknown" if that is the caseAndrey Smirnov2018-05-081-1/+4
| | | | | | | | | Printing "revision 16.16" if i.MX SoC's revision is unknown is a bit confusing so modify the code to actually say "revision unknown" in such a case. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: Log detected reset reasonAndrey Smirnov2018-05-081-0/+3
| | | | | | | | Log detected reset reason as well as raw value of SRSR for better clarity. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: Add infrastructure to record SoC reset reasonAndrey Smirnov2018-04-261-0/+33
| | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: Add i.MX6 ULL supportStefan Riedmueller2017-05-171-0/+2
| | | | | Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM i.MX: Add i.MX6SL supportAlexander Kurz2017-02-021-0/+2
| | | | | | | | | | | | | Most i.MX6SL infrastructure is already covered in barebox by general i.MX6 support. Missing infrastructure provided in separate commits are * SoC type detection * Clock infrastructure Add the missing fsl,imx6sl-mmdc, so it will not be catched by fsl,imx6q-mmdc and the remaining bits and pieces to provide barebox i.MX6SL SoC support. Signed-off-by: Alexander Kurz <akurz@blala.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: Add i.MX7 base architecture supportJuergen Borleis2017-01-201-0/+6
| | | | | Signed-off-by Juergen Borleis <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/vybrid'Sascha Hauer2016-11-141-0/+4
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| * i.MX: Add primitive functions for VF610 familyAndrey Smirnov2016-11-111-0/+4
| | | | | | | | | | | | | | Add very basic functions to support VF610 family. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | ARM: i.MX: beginning i.MX6ul supportSascha Hauer2016-11-081-0/+2
|/ | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Add i.MX50 supportAlexander Kurz2016-09-121-0/+6
| | | | | Signed-off-by: Alexander Kurz <akurz@blala.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: imx: add QP as supported i.MX6 variantLucas Stach2016-08-031-0/+2
| | | | | Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: Add i.MX6sx supportSascha Hauer2014-11-271-0/+2
| | | | | | | | Add some cpu type defines and clock support. The clock support is very different from other i.MX variants, so it's a separate file, like done in the kernel. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: print silicon revision with pr_infoSascha Hauer2014-11-201-1/+1
| | | | | | So that this message can be silenced by reducing the loglevel. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* treewide: Add missing includesSascha Hauer2013-11-081-0/+1
| | | | | | | | A lot of files rely on include/driver.h including include/of.h (and this including include/errno.h. include the files explicitly so we can eventually get rid of including of.h from driver.h Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: adopt cpu_is_* for multiple SoCsSascha Hauer2013-06-251-1/+37
| | | | | | | | This makes cpu_is_* functions when necessary for upcoming multisoc support. When only one SoC type is compiled in cpu_is_* still expand to static values. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: centralize i.MX startupSascha Hauer2013-06-241-0/+55
| | | | | | | Each i.MX SoC has its own SoC initcall. To ease multi SoC support move it to a single initcall. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM i.MX: Print silicon revision in common placeSascha Hauer2012-10-151-1/+5
| | | | | | | | | Rather than doing this in the SoC specific code just print it in imx_set_silicon_revision. This saves some lines of code and also results in i.MX27 now also having the silicon revision printed during startup. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM i.MX: streamline imx_silicon_revisionSascha Hauer2012-10-051-0/+27
All i.MX SoCs now use the same imx_silicon_revision() function to get the revision. Add a separate header file for it and a common function used on all SoCs. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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