FreeCalypso > hg > freecalypso-tools

annotate loadtools/scripts/pirelli.init @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 # This phone has 3 memory chip selects:
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2 #
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3 # nCS0: flash chip select 1
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4 # nCS1: RAM chip select
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5 # nCS3: flash chip select 2
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6 #
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7 # All 3 chip select lines go to the same physical IC, a RAM/flash MCP.
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Mychaela Falconia <falcon@freecalypso.org>
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8 # We set WS=4 for all 3 here, copying what OsmocomBB does. The access
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9 # time listed in the datasheet is 70 ns for both RAM and flash, and per
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Mychaela Falconia <falcon@freecalypso.org>
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10 # my math setting WS=3 *might* work, but it could be marginal, so let's
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11 # play it safe for now.
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17 # We also need to switch the CS4/ADD22 pin from its default function
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Mychaela Falconia <falcon@freecalypso.org>
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18 # of CS4 to the needed ADD22.
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22 # With this phone all Calypso serial access always goes through the
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Mychaela Falconia <falcon@freecalypso.org>
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23 # CP2102 usb2serial IC inside the phone itself, which is programmed
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24 # to support the high non-standard baud rates. So we can safely
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25 # switch to 812500 baud unconditionally.
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27 baud 812500