3ca3c27cad
This patch adds support to enter System Suspend on Tegra210 platforms without the traditional BPMP firmware. The BPMP firmware will no longer be supported on Tegra210 platforms and its functionality will be divided across the CPU and sc7entry-fw. The sc7entry-fw takes care of performing the hardware sequence required to enter System Suspend (SC7 power state) from the COP. The CPU is required to load this firmware to the internal RAM of the COP and start the sequence. The CPU also make sure that the COP is off after cold boot and is only powered on when we want to start the actual System Suspend sequence. The previous bootloader loads the firmware to TZDRAM and passes its base and size as part of the boot parameters. The EL3 layer is supposed to sanitize the parameters before touching the firmware blob. To assist the warmboot code with the PMIC discovery, EL3 is also supposed to program PMC's scratch register #210, with appropriate values. Without these settings the warmboot code wont be able to get the device out of System Suspend. Change-Id: I5a7b868512dbfd6cfefd55acf3978a1fd7ebf1e2 Signed-off-by: Varun Wadekar <vwadekar@nvidia.com> |
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| .. | ||
| common | ||
| include | ||
| soc | ||
| platform.mk | ||