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authorStephen Warren <swarren@nvidia.com>2012-06-04 09:23:55 +0000
committerAlbert ARIBAUD (U-Boot) <uboot@lilith.(none)>2012-07-09 22:44:33 +0200
commit9cd3f3adf03bdbc5ea4514f00e2cfacfb1ae5bed (patch)
treef67953f13858978da6bdbcc9623f2357e069b333 /include/fpga.h
parent0a7bec7f991950da90c6ee6bc59f322abebccbb7 (diff)
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tegra: add enterrcm command
Tegra's boot ROM supports a mode whereby code may be downloaded and flash programmed over a USB connection. On dev boards, this is typically entered by holding down a "force recovery" button and resetting the CPU. However, not all boards have such a button (one example is the Compulab Trimslice), so a method to enter RCM from software is useful. This change implements the command "enterrcm" to do this, and enables it for all Tegra boards by default. Even on boards other than Trimslice, controlling this over a UART may be useful, e.g. to allow simple remote control without the need for mechanical button actuators, or hooking up relays/... to the button. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
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