From: Luke Kenneth Casson Leighton Date: Wed, 28 Nov 2018 05:22:09 +0000 (+0000) Subject: add first update, "why libre" X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b5d1b9a596bea152a4d5d53f2a40d58c77e9ef20;p=crowdsupply.git add first update, "why libre" --- diff --git a/updates/001_2018nov28_why_a_libre_soc.mdwn b/updates/001_2018nov28_why_a_libre_soc.mdwn index 620998d..fcc8dfc 100644 --- a/updates/001_2018nov28_why_a_libre_soc.mdwn +++ b/updates/001_2018nov28_why_a_libre_soc.mdwn @@ -62,7 +62,10 @@ you can mess about. All of this is because these are *integrated* processors. There is no separate VPU: it's on-board. There is no separate GPU: it's on-board. There is no separate "Northbridge" or "Southbridge" IC: it's on-board, -all on the same die as the actual processor. One single mistake and +all on the same die as the actual processor, as a way to save both on +space (think mobile phones) and power (driving external pins uses a huge +amount of power, which an "embedded" all-in-one design does not have). +The down-side of this all-in-one approach: one single mistake and the entire chip, with all the investment up to that point, is junk. And the problem is compounded by the fact that Foundries themselves make money