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From: Steffen Trumtrar <s.trumtrar@pengutronix.de>
To: Sascha Hauer <sha@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 10/13] of: of_firmware: add support for fpga bridges
Date: Tue, 26 Jan 2021 09:47:07 +0100	[thread overview]
Message-ID: <87sg6ot790.fsf@pengutronix.de> (raw)
In-Reply-To: <20210125095242.GD31738@pengutronix.de>


Sascha Hauer <sha@pengutronix.de> writes:

> On Thu, Jan 21, 2021 at 12:29:55PM +0100, Steffen Trumtrar wrote:
>> From: Steffen Trumtrar <s.trumtrar@pengutronix.de>
>>
>> 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@pengutronix.de>
>> ---
>>  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.
>

Meh :(

>> +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?

Ah, right, it is actually allowed to have multiple regions in one FPGA.
I didn't think about that.


Steffen

--
Pengutronix e.K.                | Dipl.-Inform. Steffen Trumtrar |
Steuerwalder Str. 21            | https://www.pengutronix.de/    |
31137 Hildesheim, Germany       | Phone: +49-5121-206917-0       |
Amtsgericht Hildesheim, HRA 2686| Fax:   +49-5121-206917-5555    |

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  reply	other threads:[~2021-01-26  8:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-21 11:29 [PATCH 01/13] ARM: add fncpy.h from linux v4.6 Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 02/13] ARM: mmu: inherit pte flags from pmd Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 03/13] firmware: socfpga: set APPLYCFG after loading bitstream Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 04/13] reset: add of_reset_control_get to header Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 05/13] drivers: add fpga bridge framework Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 06/13] drivers: fpga: add socfpga bridges Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 07/13] firmware: socfpga: change function prefixes Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 08/13] firmware: import fpga-mgr.h from linux Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 09/13] of: kconfig: of_overlay uses firmwaremgr_load_file Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 10/13] of: of_firmware: add support for fpga bridges Steffen Trumtrar
2021-01-25  9:52   ` Sascha Hauer
2021-01-26  8:47     ` Steffen Trumtrar [this message]
2021-01-26 11:02       ` Sascha Hauer
2021-01-21 11:29 ` [PATCH 11/13] commands: firmwareload: allow loading firmware from dt Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 12/13] drivers: firmware: socfpga: remove bridges shutdown Steffen Trumtrar
2021-01-21 11:29 ` [PATCH 13/13] firmware: add support for compressed images Steffen Trumtrar
2021-01-25  9:56 ` [PATCH 01/13] ARM: add fncpy.h from linux v4.6 Sascha Hauer

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