FreeCalypso > hg > freecalypso-sw

comparison loadtools/scripts/k5a3281.init @ 141:f8bb6cd4edd3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
k5a3281.init (for GTA0x): set WS=3 for nCS0 like the official firmware does
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 12 Nov 2013 04:53:30 +0000
parents 2f12c31fcc9c
children
comparison
equal deleted inserted replaced
140:5b53cad88637 141:f8bb6cd4edd3
1 # The RAM+flash MCP in the GTA02 GSM modem block is SEC K5A3281CTM. 1 # The RAM+flash MCP in the GTA02 GSM modem block is SEC K5A3281CTM.
2 # The closest datasheet that could be found is for K5A3280; 2 # The closest datasheet that could be found is for K5A3280;
3 # all current understanding of this IC is based on the latter datasheet. 3 # all current understanding of this IC is based on the latter datasheet.
4 4
5 # The flash part of the MCP is wired to nCS0. The access time is 70 ns 5 # OsmocomBB sets WS=3 for both nCS0 and nCS1. At first I was concerned that
6 # just like on the flash part used in the Pirelli DP-L10, so use the 6 # the setting was wrong for nCS0, but I have now located the responsible
7 # same setting. 7 # code in the moko11 binary (see the moko11 notes file in the
8 w16 fffffb00 00A4 8 # freecalypso-reveng Hg tree) and confirmed that the official firmware
9 # runs with the same settings. So let's do likewise.
9 10
10 # The RAM part of this MCP (wired to nCS1 as usual) appears to be real 11 w16 fffffb00 00A3
11 # SRAM, not pSRAM like in S71PL129NC0. The access time is advertised
12 # as 55 ns, and OsmocomBB sets WS to 3. We'll do the same.
13 w16 fffffb02 00A3 12 w16 fffffb02 00A3