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This adds code to take peripherals out of reset based on an environment variable. This is in preparation for removing the code that does this from SPL. However, some drivers even in current Linux cannot handle peripheral reset, so until this works, we need a compatibility workaround. This workaround is implemented in the 'assert' and 'remove' callbacks of this reset driver: the 'assert' callback does not disable peripherals that were already taken out of reset, while the 'remove' callback, which is called on OS_PREPARE, deasserts all peripheral resets if the environment variable "socfpga_legacy_reset_compat" is set to 1, which is what the gen5 SPL did up to now. This is in preparation to clean up the SPL and implementing proper reset handling for U-Boot. Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> |
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| .. | ||
| ast2500-reset.c | ||
| Kconfig | ||
| Makefile | ||
| reset-bcm6345.c | ||
| reset-mediatek.c | ||
| reset-meson.c | ||
| reset-rockchip.c | ||
| reset-socfpga.c | ||
| reset-sunxi.c | ||
| reset-ti-sci.c | ||
| reset-uclass.c | ||
| reset-uniphier.c | ||
| sandbox-reset-test.c | ||
| sandbox-reset.c | ||
| sti-reset.c | ||
| stm32-reset.c | ||
| tegra-car-reset.c | ||
| tegra186-reset.c | ||