[U-Boot] [PATCH v8 2/8] ARM: socfpga: Add default FPGA bitstream fitImage for Arria10 SoCDK

Marek Vasut marex at denx.de
Wed Feb 13 23:04:07 UTC 2019


On 2/13/19 11:45 PM, Dalon L Westergreen wrote:
> On Wed, 2019-02-13 at 17:10 +0100, Marek Vasut wrote:
>> On 2/13/19 3:18 PM, tien.fong.chee at intel.com wrote:
>>> From: Tien Fong Chee <tien.fong.chee at intel.com>
>>>
>>> Add default fitImage file bundling FPGA bitstreams for Arria10.
>>>
>>> Signed-off-by: Tien Fong Chee <tien.fong.chee at intel.com>
>>>
>>> ---
>>>
>>> changes for v8
>>> - Changed the FPGA node name to fpga-core and fpga-periph for both core and
>>>   periph bitstreams respectively.
>>> ---
>>>  board/altera/arria10-socdk/fit_spl_fpga.its | 39
>>> +++++++++++++++++++++++++++++
>>>  1 file changed, 39 insertions(+)
>>>  create mode 100644 board/altera/arria10-socdk/fit_spl_fpga.its
>>>
>>> diff --git a/board/altera/arria10-socdk/fit_spl_fpga.its
>>> b/board/altera/arria10-socdk/fit_spl_fpga.its
>>> new file mode 100644
>>> index 0000000..8ce175b
>>> --- /dev/null
>>> +++ b/board/altera/arria10-socdk/fit_spl_fpga.its
>>> @@ -0,0 +1,39 @@
>>> +// SPDX-License-Identifier: GPL-2.0
>>> + /*
>>> + * Copyright (C) 2019 Intel Corporation <www.intel.com>
>>> + *
>>> + */
>>> +
>>> +/dts-v1/;
>>> +
>>> +/ {
>>> +	description = "FIT image with FPGA bistream";
>>> +	#address-cells = <1>;
>>> +
>>> +	images {
>>> +		fpga-core at 1 {
>>> +			description = "FPGA core bitstream";
>>> +			data = /incbin/("../../../ghrd_10as066n2.core.rbf");
>>> +			type = "fpga";
>>> +			arch = "arm";
>>> +			compression = "none";
>>> +			load = <0x400>;
>>
>> Is the load address required ?
>>
>>> +		};
>>> +
>>> +		fpga-periph at 2 {
>>> +			description = "FPGA peripheral bitstream";
>>> +			data = /incbin/("../../../ghrd_10as066n2.periph.rbf");
>>> +			type = "fpga";
>>> +			arch = "arm";
>>> +			compression = "none";
>>> +		};
>>> +	};
>>> +
>>> +	configurations {
>>> +		default = "config-1";
>>> +		config-1 {
>>> +			description = "Boot with FPGA early IO release config";
>>> +			fpga = "fpga-periph at 2", "fpga-core at 1";
>>
>> Don't you need to load the core first ?
> 
> No, the periphery is first.  This brings up the dram and i/o.

Then why do we have periph at 2 above ? Shouldn't those two images be
swapped to make this look less confusing ?

-- 
Best regards,
Marek Vasut


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