[U-Boot] [PATCH v2 5/6] sunxi: add code for recalculating the DRAM size in U-Boot

Icenowy Zheng
2018-03-26T07:11:04Z

于 2018年3月26日 GMT+08:00 下午3:06:33, Maxime Ripard <maxime.ripard@bootlin.com> 写到:
>On Fri, Mar 23, 2018 at 05:41:43PM +0800, Icenowy Zheng wrote:
>>
>>
>> 于 2018年3月23日 GMT+08:00 下午5:40:41, Maxime Ripard
><maxime.ripard@bootlin.com> 写到:
>> >On Fri, Mar 23, 2018 at 04:18:56PM +0800, Icenowy Zheng wrote:
>> >> The get_ram_size() function in U-Boot can only deal with memory
>size
>> >> smaller than 2GiB. To enable the support of 3GiB DRAM on newer
>64-bit
>> >> SoCs, an alternative way to detect DRAM size is needed.
>> >
>> >Why not just fixing get_ram_size then?
>>
>> Even if it's fixed it won't support 3GiB DRAM at all.
>
>Why?

It has an assumption that the size is pow of 2.

>
>Maxime