Nintendo Switch Brew

Fuses: Difference between revisions

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FUSE_FUSECTRL_CMD defines the fuse controller's operation mode. READ and WRITE interact directly with the hardware fuse bitmap while SENSE_CTRL flushes programmed values into the [[Fuses#Cache_registers|cache registers]].
FUSE_FUSECTRL_CMD takes the fuse controller's operation mode. READ and WRITE interact directly with the hardware fuse bitmap while SENSE_CTRL flushes programmed values into the [[Fuses#Cache_registers|cache registers]].


FUSE_FUSECTRL_STATE returns the current state of the fuse controller.
FUSE_FUSECTRL_STATE returns the current state of the fuse controller.
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Controls the [[#FUSE_FUSECTRL|STATE_READ_SETUP]] (TSUR_MAX), [[#FUSE_FUSECTRL|STATE_READ_STROBE]] (TSUR_FUSEOUT) and [[#FUSE_FUSECTRL|STATE_READ_HOLD]] (THR_MAX) times.
FUSE_FUSETIME_RD1_TSUR_MAX takes the maximum time for [[#FUSE_FUSECTRL|STATE_READ_SETUP]].
 
FUSE_FUSETIME_RD1_TSUR_FUSEOUT takes the time to spend on [[#FUSE_FUSECTRL|STATE_SAMPLE_FUSES]].
 
FUSE_FUSETIME_RD1_THR_MAX takes the maximum time for [[#FUSE_FUSECTRL|STATE_READ_HOLD]].


==== FUSE_FUSETIME_RD2 ====
==== FUSE_FUSETIME_RD2 ====
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Controls [[#FUSE_FUSECTRL|STATE_SAMPLE_FUSES]] (TWIDTH_RD) time.
Takes the read strobe pulse width used during [[#FUSE_FUSECTRL|STATE_READ_STROBE]].


==== FUSE_FUSETIME_PGM1 ====
==== FUSE_FUSETIME_PGM1 ====
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Controls the [[#FUSE_FUSECTRL|STATE_WRITE_SETUP]] (TSUP_MAX), [[#FUSE_FUSECTRL|STATE_WRITE_ADDR_SETUP]] (TSUP_ADDR), [[#FUSE_FUSECTRL|STATE_WRITE_ADDR_HOLD]] (THP_ADDR) and [[#FUSE_FUSECTRL|STATE_FUSE_SRC_HOLD]] (THP_PS) times.
FUSE_FUSETIME_PGM1_TSUP_MAX takes the maximum time for [[#FUSE_FUSECTRL|STATE_WRITE_SETUP]].
 
FUSE_FUSETIME_PGM1_TSUP_ADDR takes the time to spend on [[#FUSE_FUSECTRL|STATE_WRITE_ADDR_SETUP]].
 
FUSE_FUSETIME_PGM1_THP_ADDR takes the time to spend on [[#FUSE_FUSECTRL|STATE_WRITE_ADDR_HOLD]].
 
FUSE_FUSETIME_PGM1_THP_PS takes the time to spend on [[#FUSE_FUSECTRL|STATE_FUSE_SRC_HOLD]].


==== FUSE_FUSETIME_PGM2 ====
==== FUSE_FUSETIME_PGM2 ====
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Controls the [[#FUSE_FUSECTRL|STATE_WRITE_PROGRAM]] (TWIDTH_PGM), [[#FUSE_FUSECTRL|STATE_FUSE_SRC_SETUP]] (TSUP_PS) and [[#FUSE_FUSECTRL|STATE_READ_BEFORE_WRITE_SETUP]] (THP_CSPS) times.
FUSE_FUSETIME_PGM2_TWIDTH_PGM takes the program strobe pulse width used during [[#FUSE_FUSECTRL|STATE_WRITE_PROGRAM]].
 
FUSE_FUSETIME_PGM2_TSUP_PS takes the time to spend on [[#FUSE_FUSECTRL|STATE_FUSE_SRC_SETUP]].
 
FUSE_FUSETIME_PGM2_THP_CSPS takes the time to spend on [[#FUSE_FUSECTRL|STATE_READ_BEFORE_WRITE_SETUP]].


==== FUSE_PRIV2INTFC_START ====
==== FUSE_PRIV2INTFC_START ====
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Controls the [[#FUSE_FUSECTRL|STATE_READ_DEASSERT_PD]] (TSUR_PDCS) time.
Takes the time to spend on [[#FUSE_FUSECTRL|STATE_READ_DEASSERT_PD]].


==== FUSE_PRIVATE_KEY0_NONZERO ====
==== FUSE_PRIVATE_KEY0_NONZERO ====
Retrieved from "https://switchbrew.org/wiki/Fuses"