X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=shakti%2Fm_class.mdwn;h=3f3f7e0ec8d6d6348d979cb7b51750c9ca8d0de1;hb=074a155c0e5be497e1fd492468222e9994e0465f;hp=91870f6864fa3ea1c5dc193b3fb19723a9808ad8;hpb=6bd10c0982ca45744a03717949fb83b23c3a28cf;p=libreriscv.git diff --git a/shakti/m_class.mdwn b/shakti/m_class.mdwn index 91870f686..3f3f7e0ec 100644 --- a/shakti/m_class.mdwn +++ b/shakti/m_class.mdwn @@ -15,7 +15,7 @@ yields. ## Rough specification. Quad-core 28nm RISC-V 64-bit (RISCV64GC core with Vector SIMD Media / 3D -extensions), 300-pin 15x15mm BGA 0.8mm pitch, 32-bit DDR3/DDR3L/LPDDR3 +extensions), 300-pin 15x15mm BGA 0.8mm pitch, 32-bit DDR3-4/LPDDR3/4 memory interface and libre / open interfaces and accelerated hardware functions suitable for the higher-end, low-power, embedded, industrial and mobile space. @@ -40,7 +40,7 @@ The only barrier to being able to replicate the masks from scratch is the proprietary cells (e.g. memory cells) designed by the Foundries: there is a potential long-term strategy in place to deal with that issue. -The only proprietary interface utilised in the entire SoC is the DDR3 +The only proprietary interface utilised in the entire SoC is the DDR3/4 PHY plus Controller, which will be replaced in a future revision, making the entire SoC exclusively designed and made from fully libre-licensed BSD and LGPL openly and freely accessible VLSI and VHDL source. @@ -48,7 +48,7 @@ BSD and LGPL openly and freely accessible VLSI and VHDL source. In addition, no proprietary firmware whatsoever will be required to operate or boot the device right from the bedrock: the entire software stack will also be libre-licensed (even for programming the initial -proprietary DDR3 PHY+Controller) +proprietary DDR3/4 PHY+Controller) # Inspiration from several sources