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firmware: tegra: add bpmp driver for Tegra210

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This patch adds driver for Tegra210 BPMP firmware.

The BPMP is a specific processor in Tegra210 chip, which runs firmware
for assisting in entering deep low power states (suspend to ram), and
offloading DRAM memory clock scaling on some platforms.

Based on work by Sivaram Nair <[email protected]>

Signed-off-by: Timo Alho <[email protected]>
Acked-by: Jon Hunter <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
This commit is contained in:
Timo Alho 2019-01-24 19:03:54 +02:00 • committed by Thierry Reding
commit 139251fc22
5 changed files with 283 additions and 9 deletions
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1
include/soc/tegra/bpmp.h
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@ -50,6 +50,7 @@ struct tegra_bpmp_channel {
struct tegra_bpmp_mb_data *ob;
struct completion completion;
struct tegra_ivc *ivc;
unsigned int index;
};
typedef void (*tegra_bpmp_mrq_handler_t)(unsigned int mrq,