On Thu, Jan 21, 2021 at 12:29:55PM +0100, Steffen Trumtrar wrote:
> From: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
>
> Add support for potentially defined FPGA-bridges in the overlay.
>
> While at it also add support for loading the firmware directly via a
> path instead of 'needing' an overlay for that.
> The direct loading will be done with the existent firmwareload command.
>
> Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
> ---
> drivers/of/Makefile | 3 +-
> drivers/of/of_firmware.c | 88 ++++++++++++++++++++++++++++++++++++----
> include/of.h | 21 +++++++---
> 3 files changed, 96 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/of/Makefile b/drivers/of/Makefile
> index b6847752d2..6199c9791f 100644
> --- a/drivers/of/Makefile
> +++ b/drivers/of/Makefile
> @@ -6,4 +6,5 @@ obj-y += partition.o
> obj-y += of_net.o
> obj-$(CONFIG_MTD) += of_mtd.o
> obj-$(CONFIG_OF_BAREBOX_DRIVERS) += barebox.o
> -obj-$(CONFIG_OF_OVERLAY) += overlay.o resolver.o of_firmware.o
> +obj-$(CONFIG_OF_OVERLAY) += overlay.o resolver.o
> +obj-$(CONFIG_FIRMWARE) += of_firmware.o
> diff --git a/drivers/of/of_firmware.c b/drivers/of/of_firmware.c
> index 096f84572e..ef0ccd0221 100644
> --- a/drivers/of/of_firmware.c
> +++ b/drivers/of/of_firmware.c
> @@ -4,12 +4,52 @@
> */
> #include <common.h>
> #include <firmware.h>
> +#include <fpga-bridge.h>
> #include <of.h>
>
> struct overlay_info {
> const char *firmware_path;
> };
>
> +#ifdef CONFIG_FPGA_BRIDGE
Trailing whitespace here.
> +int of_firmware_load_file(const char *path)
> +{
> + int err;
> + struct device_node *target;
> +
> + target = of_find_compatible_node(NULL, NULL, "fpga-region");
This assumes there is only one node compatible to fpga-region. What
about others?
Sascha
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