saymrwulf/xous-core
1
0
Fork 0
mirror of https://github.com/saymrwulf/xous-core.git synced 2026-11-15 08:30:02 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
xous-core/emulation/ec/soc.svd
Sean Cross 37fa1d7cc4 emulation: add initial draft of ec 
Signed-off-by: Sean Cross <sean@xobs.io>
2021-04-25 14:32:02 +08:00

1447 lines
63 KiB
XML
Raw Blame History

<?xml version="1.0" encoding="utf-8"?>
<device schemaVersion="1.1" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xs:noNamespaceSchemaLocation="CMSIS-SVD.xsd" >
<vendor>litex</vendor>
<name>SOC</name>
<description>Betrusted EC</description>
<addressUnitBits>8</addressUnitBits>
<width>32</width>
<size>32</size>
<access>read-write</access>
<resetValue>0x00000000</resetValue>
<resetMask>0xFFFFFFFF</resetMask>
<peripherals>
<peripheral>
<name>CTRL</name>
<baseAddress>0xE0000000</baseAddress>
<groupName>CTRL</groupName>
<registers>
<register>
<name>RESET</name>
<description><![CDATA[Write a ``1`` to this register to reset the SoC.]]></description>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>reset</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>SCRATCH</name>
<description><![CDATA[Use this register as a scratch space to verify that software read/write accesses
to the Wishbone/CSR bus are working correctly. The initial reset value of
0x1234578 can be used to verify endianness.]]></description>
<addressOffset>0x0004</addressOffset>
<resetValue>0x12345678</resetValue>
<size>32</size>
<fields>
<field>
<name>scratch</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>BUS_ERRORS</name>
<description><![CDATA[Total number of Wishbone bus errors (timeouts) since start.]]></description>
<addressOffset>0x0008</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>bus_errors</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0xc</size>
<usage>registers</usage>
</addressBlock>
</peripheral>
<peripheral>
<name>UART</name>
<baseAddress>0xE0001800</baseAddress>
<groupName>UART</groupName>
<registers>
<register>
<name>RXTX</name>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>rxtx</name>
<msb>7</msb>
<bitRange>[7:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>TXFULL</name>
<addressOffset>0x0004</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>txfull</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>RXEMPTY</name>
<addressOffset>0x0008</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>rxempty</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>EV_STATUS</name>
<description><![CDATA[This register contains the current raw level of the rx event trigger. Writes to
this register have no effect.]]></description>
<addressOffset>0x000c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tx</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Level of the ``tx`` event]]></description>
</field>
<field>
<name>rx</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Level of the ``rx`` event]]></description>
</field>
</fields>
</register>
<register>
<name>EV_PENDING</name>
<description><![CDATA[When a rx event occurs, the corresponding bit will be set in this register. To
clear the Event, set the corresponding bit in this register.]]></description>
<addressOffset>0x0010</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tx</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[`1` if a `tx` event occurred. This Event is triggered on a **falling** edge.]]></description>
</field>
<field>
<name>rx</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[`1` if a `rx` event occurred. This Event is triggered on a **falling** edge.]]></description>
</field>
</fields>
</register>
<register>
<name>EV_ENABLE</name>
<description><![CDATA[This register enables the corresponding rx events. Write a ``0`` to this
register to disable individual events.]]></description>
<addressOffset>0x0014</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tx</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write a ``1`` to enable the ``tx`` Event]]></description>
</field>
<field>
<name>rx</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Write a ``1`` to enable the ``rx`` Event]]></description>
</field>
</fields>
</register>
<register>
<name>TXEMPTY</name>
<addressOffset>0x0018</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>txempty</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>RXFULL</name>
<addressOffset>0x001c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>rxfull</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>XOVER_RXTX</name>
<addressOffset>0x0020</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>xover_rxtx</name>
<msb>7</msb>
<bitRange>[7:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>XOVER_TXFULL</name>
<addressOffset>0x0024</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>xover_txfull</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>XOVER_RXEMPTY</name>
<addressOffset>0x0028</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>xover_rxempty</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>XOVER_EV_STATUS</name>
<description><![CDATA[This register contains the current raw level of the rx event trigger. Writes to
this register have no effect.]]></description>
<addressOffset>0x002c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tx</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Level of the ``tx`` event]]></description>
</field>
<field>
<name>rx</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Level of the ``rx`` event]]></description>
</field>
</fields>
</register>
<register>
<name>XOVER_EV_PENDING</name>
<description><![CDATA[When a rx event occurs, the corresponding bit will be set in this register. To
clear the Event, set the corresponding bit in this register.]]></description>
<addressOffset>0x0030</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tx</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[`1` if a `tx` event occurred. This Event is triggered on a **falling** edge.]]></description>
</field>
<field>
<name>rx</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[`1` if a `rx` event occurred. This Event is triggered on a **falling** edge.]]></description>
</field>
</fields>
</register>
<register>
<name>XOVER_EV_ENABLE</name>
<description><![CDATA[This register enables the corresponding rx events. Write a ``0`` to this
register to disable individual events.]]></description>
<addressOffset>0x0034</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tx</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write a ``1`` to enable the ``tx`` Event]]></description>
</field>
<field>
<name>rx</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Write a ``1`` to enable the ``rx`` Event]]></description>
</field>
</fields>
</register>
<register>
<name>XOVER_TXEMPTY</name>
<addressOffset>0x0038</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>xover_txempty</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>XOVER_RXFULL</name>
<addressOffset>0x003c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>xover_rxfull</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0x40</size>
<usage>registers</usage>
</addressBlock>
<interrupt>
<name>uart</name>
<value>0</value>
</interrupt>
</peripheral>
<peripheral>
<name>TIMER0</name>
<baseAddress>0xE0002000</baseAddress>
<groupName>TIMER0</groupName>
<registers>
<register>
<name>LOAD</name>
<description><![CDATA[Load value when Timer is (re-)enabled. In One-Shot mode, the value written to
this register specifies the Timer's duration in clock cycles.]]></description>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>load</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>RELOAD</name>
<description><![CDATA[Reload value when Timer reaches ``0``. In Periodic mode, the value written to
this register specify the Timer's period in clock cycles.]]></description>
<addressOffset>0x0004</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>reload</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>EN</name>
<description><![CDATA[Enable flag of the Timer. Set this flag to ``1`` to enable/start the Timer. Set
to ``0`` to disable the Timer.]]></description>
<addressOffset>0x0008</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>en</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>UPDATE_VALUE</name>
<description><![CDATA[Update trigger for the current countdown value. A write to this register latches
the current countdown value to ``value`` register.]]></description>
<addressOffset>0x000c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>update_value</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>VALUE</name>
<description><![CDATA[Latched countdown value. This value is updated by writing to ``update_value``.]]></description>
<addressOffset>0x0010</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>value</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>EV_STATUS</name>
<description><![CDATA[This register contains the current raw level of the zero event trigger. Writes
to this register have no effect.]]></description>
<addressOffset>0x0014</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>zero</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Level of the ``zero`` event]]></description>
</field>
</fields>
</register>
<register>
<name>EV_PENDING</name>
<description><![CDATA[When a zero event occurs, the corresponding bit will be set in this register.
To clear the Event, set the corresponding bit in this register.]]></description>
<addressOffset>0x0018</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>zero</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[`1` if a `zero` event occurred. This Event is triggered on a **falling** edge.]]></description>
</field>
</fields>
</register>
<register>
<name>EV_ENABLE</name>
<description><![CDATA[This register enables the corresponding zero events. Write a ``0`` to this
register to disable individual events.]]></description>
<addressOffset>0x001c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>zero</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write a ``1`` to enable the ``zero`` Event]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0x20</size>
<usage>registers</usage>
</addressBlock>
<interrupt>
<name>timer0</name>
<value>1</value>
</interrupt>
</peripheral>
<peripheral>
<name>CRG</name>
<baseAddress>0xE0002800</baseAddress>
<groupName>CRG</groupName>
<registers>
<register>
<name>WATCHDOG</name>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>reset_code</name>
<msb>15</msb>
<bitRange>[15:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write `600d` then `c0de` in sequence to this register to reset the watchdog
timer]]></description>
</field>
<field>
<name>enable</name>
<msb>16</msb>
<bitRange>[16:16]</bitRange>
<lsb>16</lsb>
<description><![CDATA[Enable the watchdog timer. Cannot be disabled once enabled, except with a reset.
Notably, a watchdog reset will disable the watchdog.]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0x4</size>
<usage>registers</usage>
</addressBlock>
</peripheral>
<peripheral>
<name>GIT</name>
<baseAddress>0xE0003000</baseAddress>
<groupName>GIT</groupName>
<registers>
<register>
<name>GITREV</name>
<description><![CDATA[First 32-bits of the git revision. This documentation was built from git rev
``d167b75b``, so this value is 3513235291, which should be enough to check out
the exact git version used to build this firmware.]]></description>
<addressOffset>0x0000</addressOffset>
<resetValue>0xd167b75b</resetValue>
<size>32</size>
<fields>
<field>
<name>gitrev</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>DIRTY</name>
<addressOffset>0x0004</addressOffset>
<resetValue>0x01</resetValue>
<size>32</size>
<fields>
<field>
<name>dirty</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Set to ``1`` if this device was built from a git repo with uncommitted
modifications.]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0x8</size>
<usage>registers</usage>
</addressBlock>
</peripheral>
<peripheral>
<name>POWER</name>
<baseAddress>0xE0003800</baseAddress>
<groupName>POWER</groupName>
<registers>
<register>
<name>POWER</name>
<addressOffset>0x0000</addressOffset>
<resetValue>0x03</resetValue>
<size>32</size>
<fields>
<field>
<name>self</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Writing `1` to this keeps the EC powered on]]></description>
</field>
<field>
<name>soc_on</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Writing `1` to this powers on the SoC]]></description>
</field>
<field>
<name>discharge</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Writing `1` to this connects a low-value resistor across FPGA domain supplies to
force a full discharge]]></description>
</field>
<field>
<name>kbddrive</name>
<msb>3</msb>
<bitRange>[3:3]</bitRange>
<lsb>3</lsb>
<description><![CDATA[Writing `1` to this drives the scan column to 1. Do this prior to reading to
mitigate noise]]></description>
</field>
</fields>
</register>
<register>
<name>STATS</name>
<addressOffset>0x0004</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>state</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Current power state of the SOC]]></description>
</field>
<field>
<name>monkey</name>
<msb>2</msb>
<bitRange>[2:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Power-on key monitor input]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0x8</size>
<usage>registers</usage>
</addressBlock>
</peripheral>
<peripheral>
<name>PICORVSPI</name>
<baseAddress>0xE0004000</baseAddress>
<groupName>PICORVSPI</groupName>
<registers>
<register>
<name>RDATA</name>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>data</name>
<msb>3</msb>
<bitRange>[3:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Data bits from SPI [3:hold, 2:wp, 1:cipo, 0:copi]]]></description>
</field>
</fields>
</register>
<register>
<name>MODE</name>
<addressOffset>0x0004</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>bitbang</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Turn on bitbang mode]]></description>
</field>
<field>
<name>csn</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Chip select (set to `0` to select the chip)]]></description>
</field>
</fields>
</register>
<register>
<name>WDATA</name>
<description><![CDATA[Writes to this field automatically pulse CLK]]></description>
<addressOffset>0x0008</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>data</name>
<msb>3</msb>
<bitRange>[3:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Data bits to SPI [3:hold, 2:wp, 1:cipo, 0:copi]]]></description>
</field>
<field>
<name>oe</name>
<msb>7</msb>
<bitRange>[7:4]</bitRange>
<lsb>4</lsb>
<description><![CDATA[Output enable for data pins]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0xc</size>
<usage>registers</usage>
</addressBlock>
</peripheral>
<peripheral>
<name>I2C</name>
<baseAddress>0xE0004800</baseAddress>
<groupName>I2C</groupName>
<registers>
<register>
<name>EV_STATUS</name>
<description><![CDATA[USB CC register changed]]></description>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>i2c_int</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Level of the ``i2c_int`` event]]></description>
</field>
<field>
<name>gg_int</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Level of the ``gg_int`` event]]></description>
</field>
<field>
<name>gyro_int</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Level of the ``gyro_int`` event]]></description>
</field>
<field>
<name>usbcc_int</name>
<msb>3</msb>
<bitRange>[3:3]</bitRange>
<lsb>3</lsb>
<description><![CDATA[Level of the ``usbcc_int`` event]]></description>
</field>
</fields>
</register>
<register>
<name>EV_PENDING</name>
<description><![CDATA[USB CC register changed]]></description>
<addressOffset>0x0004</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>i2c_int</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[I2C cycle completed]]></description>
</field>
<field>
<name>gg_int</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Gas gauge interrupt]]></description>
</field>
<field>
<name>gyro_int</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Gyro interrupt]]></description>
</field>
<field>
<name>usbcc_int</name>
<msb>3</msb>
<bitRange>[3:3]</bitRange>
<lsb>3</lsb>
<description><![CDATA[USB CC register changed]]></description>
</field>
</fields>
</register>
<register>
<name>EV_ENABLE</name>
<description><![CDATA[USB CC register changed]]></description>
<addressOffset>0x0008</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>i2c_int</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write a ``1`` to enable the ``i2c_int`` Event]]></description>
</field>
<field>
<name>gg_int</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Write a ``1`` to enable the ``gg_int`` Event]]></description>
</field>
<field>
<name>gyro_int</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Write a ``1`` to enable the ``gyro_int`` Event]]></description>
</field>
<field>
<name>usbcc_int</name>
<msb>3</msb>
<bitRange>[3:3]</bitRange>
<lsb>3</lsb>
<description><![CDATA[Write a ``1`` to enable the ``usbcc_int`` Event]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0xc</size>
<usage>registers</usage>
</addressBlock>
<interrupt>
<name>i2c</name>
<value>2</value>
</interrupt>
</peripheral>
<peripheral>
<name>TICKTIMER</name>
<baseAddress>0xE0005000</baseAddress>
<groupName>TICKTIMER</groupName>
<registers>
<register>
<name>CONTROL</name>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>reset</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write a `1` to this bit to reset the count to 0]]></description>
</field>
<field>
<name>pause</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Write a `1` to this field to pause counting, 0 for free-run]]></description>
</field>
</fields>
</register>
<register>
<name>TIME1</name>
<description><![CDATA[Bits 32-39 of `TICKTIMER_TIME`. Elapsed time in systicks]]></description>
<addressOffset>0x0004</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>time</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>TIME0</name>
<description><![CDATA[Bits 0-31 of `TICKTIMER_TIME`.]]></description>
<addressOffset>0x0008</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>time</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>MSLEEP_TARGET1</name>
<description><![CDATA[Bits 32-39 of `TICKTIMER_MSLEEP_TARGET`. Target time in 1.0ms ticks]]></description>
<addressOffset>0x000c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>msleep_target</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>MSLEEP_TARGET0</name>
<description><![CDATA[Bits 0-31 of `TICKTIMER_MSLEEP_TARGET`.]]></description>
<addressOffset>0x0010</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>msleep_target</name>
<msb>31</msb>
<bitRange>[31:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>EV_STATUS</name>
<description><![CDATA[This register contains the current raw level of the alarm event trigger. Writes
to this register have no effect.]]></description>
<addressOffset>0x0014</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>alarm</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Level of the ``alarm`` event]]></description>
</field>
</fields>
</register>
<register>
<name>EV_PENDING</name>
<description><![CDATA[When a alarm event occurs, the corresponding bit will be set in this register.
To clear the Event, set the corresponding bit in this register.]]></description>
<addressOffset>0x0018</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>alarm</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[`1` if a `alarm` event occurred. This Event is **level triggered** when the
signal is **high**.]]></description>
</field>
</fields>
</register>
<register>
<name>EV_ENABLE</name>
<description><![CDATA[This register enables the corresponding alarm events. Write a ``0`` to this
register to disable individual events.]]></description>
<addressOffset>0x001c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>alarm</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write a ``1`` to enable the ``alarm`` Event]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0x20</size>
<usage>registers</usage>
</addressBlock>
<interrupt>
<name>ticktimer</name>
<value>3</value>
</interrupt>
</peripheral>
<peripheral>
<name>COM</name>
<baseAddress>0xE0005800</baseAddress>
<groupName>COM</groupName>
<registers>
<register>
<name>CONTROL</name>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>clrerr</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Clear FIFO error flags]]></description>
</field>
<field>
<name>host_int</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[0->1 raises an interrupt to the COM host]]></description>
</field>
<field>
<name>reset</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Reset the fifos]]></description>
</field>
</fields>
</register>
<register>
<name>STATUS</name>
<addressOffset>0x0004</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tip</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Set when transaction is in progress]]></description>
</field>
<field>
<name>rx_avail</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Set when Rx FIFO has new, valid contents to read]]></description>
</field>
<field>
<name>rx_over</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Set if Rx FIFO has overflowed]]></description>
</field>
<field>
<name>rx_under</name>
<msb>3</msb>
<bitRange>[3:3]</bitRange>
<lsb>3</lsb>
<description><![CDATA[Set if Rx FIFO underflows]]></description>
</field>
<field>
<name>rx_level</name>
<msb>15</msb>
<bitRange>[15:4]</bitRange>
<lsb>4</lsb>
<description><![CDATA[Level of Rx FIFO]]></description>
</field>
<field>
<name>tx_avail</name>
<msb>16</msb>
<bitRange>[16:16]</bitRange>
<lsb>16</lsb>
<description><![CDATA[Set when Tx FIFO has space for new content]]></description>
</field>
<field>
<name>tx_empty</name>
<msb>17</msb>
<bitRange>[17:17]</bitRange>
<lsb>17</lsb>
<description><![CDATA[Set when Tx FIFO is empty]]></description>
</field>
<field>
<name>tx_level</name>
<msb>29</msb>
<bitRange>[29:18]</bitRange>
<lsb>18</lsb>
<description><![CDATA[Level of Tx FIFO]]></description>
</field>
<field>
<name>tx_over</name>
<msb>30</msb>
<bitRange>[30:30]</bitRange>
<lsb>30</lsb>
<description><![CDATA[Set when Tx FIFO overflows]]></description>
</field>
<field>
<name>tx_under</name>
<msb>31</msb>
<bitRange>[31:31]</bitRange>
<lsb>31</lsb>
<description><![CDATA[Set when Tx FIFO underflows]]></description>
</field>
</fields>
</register>
<register>
<name>EV_STATUS</name>
<description><![CDATA[Triggered when any error condition occurs]]></description>
<addressOffset>0x0008</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>spi_avail</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Level of the ``spi_avail`` event]]></description>
</field>
<field>
<name>spi_event</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Level of the ``spi_event`` event]]></description>
</field>
<field>
<name>spi_err</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Level of the ``spi_err`` event]]></description>
</field>
</fields>
</register>
<register>
<name>EV_PENDING</name>
<description><![CDATA[Triggered when any error condition occurs]]></description>
<addressOffset>0x000c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>spi_avail</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Triggered when Rx FIFO leaves empty state]]></description>
</field>
<field>
<name>spi_event</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Triggered every time a packet completes]]></description>
</field>
<field>
<name>spi_err</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Triggered when any error condition occurs]]></description>
</field>
</fields>
</register>
<register>
<name>EV_ENABLE</name>
<description><![CDATA[Triggered when any error condition occurs]]></description>
<addressOffset>0x0010</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>spi_avail</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write a ``1`` to enable the ``spi_avail`` Event]]></description>
</field>
<field>
<name>spi_event</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Write a ``1`` to enable the ``spi_event`` Event]]></description>
</field>
<field>
<name>spi_err</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Write a ``1`` to enable the ``spi_err`` Event]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0x14</size>
<usage>registers</usage>
</addressBlock>
<interrupt>
<name>com</name>
<value>4</value>
</interrupt>
</peripheral>
<peripheral>
<name>WIFI</name>
<baseAddress>0xE0006000</baseAddress>
<groupName>WIFI</groupName>
<registers>
<register>
<name>TX</name>
<description><![CDATA[Tx data, for COPI]]></description>
<addressOffset>0x0000</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tx</name>
<msb>15</msb>
<bitRange>[15:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>RX</name>
<description><![CDATA[Rx data, from CIPO]]></description>
<addressOffset>0x0004</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>rx</name>
<msb>15</msb>
<bitRange>[15:0]</bitRange>
<lsb>0</lsb>
</field>
</fields>
</register>
<register>
<name>CS</name>
<addressOffset>0x0008</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>cs</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Writing `1` to this asserts cs_n, that is, brings it low; writing `0`, brings it
high]]></description>
</field>
</fields>
</register>
<register>
<name>CONTROL</name>
<addressOffset>0x000c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>go</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Initiate a SPI cycle by writing a `1`. Does not automatically clear.]]></description>
</field>
</fields>
</register>
<register>
<name>STATUS</name>
<addressOffset>0x0010</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>tip</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Set when transaction is in progress]]></description>
</field>
<field>
<name>txfull</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Set when Tx register is full]]></description>
</field>
</fields>
</register>
<register>
<name>WIFI</name>
<addressOffset>0x0014</addressOffset>
<resetValue>0x01</resetValue>
<size>32</size>
<fields>
<field>
<name>reset</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write `1` to this register to reset the wifi chip; write `0` to enable normal
operation]]></description>
</field>
<field>
<name>pa_ena</name>
<msb>1</msb>
<bitRange>[1:1]</bitRange>
<lsb>1</lsb>
<description><![CDATA[Mapped to PA_ENABLE for wifi (only useful if configured in wifi firmware)]]></description>
</field>
<field>
<name>wakeup</name>
<msb>2</msb>
<bitRange>[2:2]</bitRange>
<lsb>2</lsb>
<description><![CDATA[Wakeup the wifi chip]]></description>
</field>
</fields>
</register>
<register>
<name>EV_STATUS</name>
<description><![CDATA[Interrupt request from wifi chip]]></description>
<addressOffset>0x0018</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>wirq</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Level of the ``wirq`` event]]></description>
</field>
</fields>
</register>
<register>
<name>EV_PENDING</name>
<description><![CDATA[Interrupt request from wifi chip]]></description>
<addressOffset>0x001c</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>wirq</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Interrupt request from wifi chip]]></description>
</field>
</fields>
</register>
<register>
<name>EV_ENABLE</name>
<description><![CDATA[Interrupt request from wifi chip]]></description>
<addressOffset>0x0020</addressOffset>
<resetValue>0x00</resetValue>
<size>32</size>
<fields>
<field>
<name>wirq</name>
<msb>0</msb>
<bitRange>[0:0]</bitRange>
<lsb>0</lsb>
<description><![CDATA[Write a ``1`` to enable the ``wirq`` Event]]></description>
</field>
</fields>
</register>
</registers>
<addressBlock>
<offset>0</offset>
<size>0x24</size>
<usage>registers</usage>
</addressBlock>
<interrupt>
<name>wifi</name>
<value>5</value>
</interrupt>
</peripheral>
</peripherals>
<vendorExtensions>
<memoryRegions>
<memoryRegion>
<name>VEXRISCV_DEBUG</name>
<baseAddress>0xF00F0000</baseAddress>
<size>0x00000100</size>
</memoryRegion>
<memoryRegion>
<name>SRAM</name>
<baseAddress>0x10000000</baseAddress>
<size>0x00020000</size>
</memoryRegion>
<memoryRegion>
<name>SPIFLASH</name>
<baseAddress>0x20000000</baseAddress>
<size>0x00100000</size>
</memoryRegion>
<memoryRegion>
<name>I2C</name>
<baseAddress>0xB0000000</baseAddress>
<size>0x00000040</size>
</memoryRegion>
<memoryRegion>
<name>COM</name>
<baseAddress>0xD0000000</baseAddress>
<size>0x00000004</size>
</memoryRegion>
<memoryRegion>
<name>CSR</name>
<baseAddress>0xE0000000</baseAddress>
<size>0x00010000</size>
</memoryRegion>
</memoryRegions>
</vendorExtensions>
</device>
Reference in a new issue View git blame Copy permalink