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* sniper: Clear reboot mode garbage on cold resetPaul Kocialkowski2016-03-15-0/+3
| | | | | | | | Reboot mode garbage is found on cold reset and might be seen as valid on the next warm reset, thus it has to be cleared on cold reset. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Get rid of reset_miscPaul Kocialkowski2016-03-15-5/+0
| | | | | | | | | | | There is no need to set the reboot mode to a particular value prior to reboot, since valid values will have been caught and cleared earlier. In addition, this breaks the reboot-bootloader fastboot call, by overriding the required value for fastboot. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* omap3: String-based reboot mode handlingPaul Kocialkowski2016-03-15-3/+3
| | | | | | | | This switches reboot mode handling to a string-based interface, that allows more flexibility to set a common interface with the next generations of OMAP devices. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Various minor cleanups, missing Kconfig configs and reorganisationPaul Kocialkowski2016-02-29-331/+331
| | | | | | | | This introduces some minor cleanups, regarding aspects such as board name, code and headers organization as well as deprecated and missing config options. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Drop references to P970Paul Kocialkowski2016-02-08-3/+3
| | | | | | | | | There are various different boards with the same hardware sold as LG Optimus Black, such as P970, P970g and KU5900. Since this port is functional for all variants, it doesn't make sense to keep references to P970. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Mux configuration cleanupPaul Kocialkowski2016-01-13-37/+37
| | | | | | | This cleans up the mux configuration a bit, setting mmc clock signals to input enabled and specifying pull-down (0) when pull is not used. Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
* ns16550: unify serial_omapThomas Chou2015-11-21-1/+1
| | | | | | | | Unify serial_omap, and use the generic binding. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Tom Rini <trini@konsulko.com> Acked-by: Simon Glass <sjg@chromium.org>
* omap-common: Common get_board_serial function to pass serial through ATAGPaul Kocialkowski2015-10-22-14/+1
| | | | | | | | | Since there is a common function to grab the serial number from the die id bits, it makes sense have one to parse that serial number and feed it to the serial ATAG. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* omap-common: Common serial and usbethaddr functions based on die idPaul Kocialkowski2015-10-22-10/+1
| | | | | | | | | Now that we have a common prototype to grab the omap die id, functions to figure out a serial number and usb ethernet address can use it directly. Those also get an omap_die_id prefix for better consistency. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* omap3: omap_die_id supportPaul Kocialkowski2015-10-22-3/+3
| | | | | | | | This replaces the previous get_dieid definition with omap_die_id, that matches the common omap_die_id definition. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Keypad support, with recovery and fastboot key combinationsPaul Kocialkowski2015-08-12-0/+16
| | | | | | | | | | | Using the twl4030 keypad allows booting directly into some special boot modes, such as recovery or fastboot. the VOL+ key will trigger a boot to recovery while the VOL- key will trigger a boot to fastboot. The G (gesture) key remains unused at this point. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Power off when the power on reason is not a valid onePaul Kocialkowski2015-08-12-0/+18
| | | | | | | | | | | | | | | | In most cases, userspace will attempt to power off the device with HALT instead of POWER_OFF, which triggers a reset instead of a proper power off from the TWL4030. Hence, it is up to the bootloader to actually turn the device off when there is no reason to turn it on. A reboot identified with the OMAP reboot mode bits set is acceptable, as well as a power on reason from either the power button, USB or charger plug. Other cases should trigger a power off. Note that for the U-Boot reset command to take effect, we have to fill-in the OMAP reboot bits. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Power button reset supportPaul Kocialkowski2015-08-12-0/+4
| | | | | | | This adds support for resetting the device on a long press on the power button. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Fastboot supportPaul Kocialkowski2015-08-12-0/+30
| | | | | | | | | | This adds support for the fastboot USB gadget, including flashing to the internal MMC and reboot to bootloader or not. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com> [trini: Update to use Kconfig for MUSB] Signed-off-by: Tom Rini <trini@konsulko.com>
* sniper: Pass serial number through ATAGPaul Kocialkowski2015-08-12-0/+18
| | | | | | | | | Now that the serial number is correctly defined, we can pass it to the kernel using the (legacy) ATAG method. It will be automatically passed via device-tree when enabled. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* sniper: Serial number support, obtained from die IDPaul Kocialkowski2015-08-12-0/+13
| | | | | | | The OMAP3 has some die-specific ID bits that we can use to give the device a (more or less) unique serial number. This is particularly useful for e.g. USB. Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
* sniper: OMAP3 reboot mode supportPaul Kocialkowski2015-08-12-0/+18
| | | | | | | | | This adds support for the omap3 reboot mode mechanism and exports the reboot mode via an environment variable, that is used in the boot command to make it possible to boot from the recovery partition. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
* LG Optimus Black (P970) codename sniper supportPaul Kocialkowski2015-08-12-0/+477
The LG Optimus Black (P970) codename sniper is a smartphone that was designed and manufactured by LG Electronics (LGE) and released back in 2011. It is using an OMAP3630 SoC GP version, which allows running U-Boot and the U-Boot SPL from the ground up. This port is aimed at running an Android version such as Replicant, the fully free Android distribution. However, support for upstream Linux with device-tree and common GNU/Linux distros boot commands could be added in the future. For more information about the journey to freeing this device, please read the series of blog posts at: http://code.paulk.fr/article20/a-hacker-s-journey-freeing-a-phone-from-the-ground-up-first-part Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com> [trini: Add CONFIG_OF_SUPPORT] Signed-off-by: Tom Rini <trini@konsulko.com>
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