[U-Boot] [PATCH v2 09/19] arm: socfpga: Add drivers for programing FPGA from flash

Marek Vasut
2017-09-26T10:39:35Z

On 09/26/2017 11:52 AM, Chee, Tien Fong wrote:
> On Isn, 2017-09-25 at 11:14 +0200, Marek Vasut wrote:
>> On 09/25/2017 10:40 AM, tien.fong.chee at intel.com wrote:
>>>
>>> From: Tien Fong Chee <tien.fong.chee@intel.com>
>>>
>>> These drivers handle FPGA program operation from flash loading
>>> RBF to memory and then to program FPGA.
>>>
>>> Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>

[...]

>>> +const char *get_cff_devpart(const void *fdt, int *len)
>>> +{
>>> + const char *cff_devpart = NULL;
>>> + const char *cell;
>>> + int nodeoffset;
>>> + nodeoffset = fdtdec_next_compatible(fdt, 0,
>>> + Â COMPAT_ALTERA_SOCFPGA_FPGA0);
>>> +
>>> + cell = fdt_getprop(fdt, nodeoffset, "bitstream_devpart",
>>> len);
>>> +
>>> + if (cell)
>>> + cff_devpart = cell;
>>> +
>>> + return cff_devpart;
>>> +}
>> Take a look at splash*.c , I believe that can be reworked into
>> generic
>> firmware loader , which you could then use here.
>>
> the devpart is hard coded in splash*.c. The function here is getting
> devpart info from DTS. So, is there any similar function in splash*.c?
> May be you can share more about your idea.

The generic loader could use some work of course ...

[...]

--
Best regards,
Marek Vasut