RTL93xx SoCs

All information in this page is curated from the SDK sources (which are known to contain errors) or trial and error. Do not assume anything on this page is perfectly correct!

RTL930x SoCs

All SoCs in this series have a 34Kc MIPS core.

Clock tree

The picture below draws the clock tree as per documentation. What is unclear and obviously missing, is the SRAM PLL, which we do find in the sdk.

OCP PLL(450 ~ 900 MHz)DIV(1, 2, 4)CPU clock(112.5 ~ 900 MHz)MEM PLL(500 ~ 1200 MHz or fixed 200 MHz)Memory ControllerDIV(2)DDR clock(250 ~ 600 MHz or fixed 100 MHz)USB 2.0(internal PLL (30 MHz)GPHY(25 MHz)SerDes(25 MHz)SWCore PLL(1.2 ~ 1.6 GHz2.4 GHz fixed in comments)DIV(6, 8, 10, 12)LeXra bus(200 MHz max)SPI-NAND(200 MHz max)DIV(2, 4, 6, ... 16)SPI NAND clock(100 MHz max)DIV(6, 8, 10, 12)SPI-NOR(200 Mhz max)DIV(2, 4, 6, ..., 16)SPI NOR Flash clock(100 Mhz max)DIV(4, 6, 8, 12)Switch Core(SYS: 266/100 MHz)(ALE: 400/150 MHz)Ref CLK(25 MHz)

While the documentation speaks of an optional 156.25 Mhz Clock, no pintout seems to match this.

10G SerDesRef CLK (156.25 MHz) (optional with 10G)

Clock Controller

The Flattened Clock generator (as the SDK calls it).

Bus tree

OCP Bus(CPU Bus)OCPT.O. MonitorOCP SlaveSRAMControllerSPI-NORControllerOCP HostOCP-LexraBridgeLXPLexra Peripherial BusLXPT.O. MonitorInterruptControllerGPIOControllerUARTControllerTimersControllerLX0Lexra Bus 0LX0T.O. MonitorLX0GDMA/BTGSwitchControllerNICControllerLX1Lexra Bus 1LX1T.O. MonitorLX2GDMA/BTGLX2Lexra Bus 2LX2T.O. MonitorLX2GDMA/BTGUSBControllerECCControllerSPI-NANDControllerCPU

Peripherial Map

The realtek memory map is like like spaghetti, where registers are all over the place. Some things are almost logical, but not when looking at Linux based frameworks. The following table gives an overview of where to expect certain register:bits for a specific peripheral.

Peripherial Main space PinController? Notes
QSPI-NOR Controller Peripherial NA
SPI_SLV Controller SwitchCore
SPI Controller SwitchCore
I2C Controller 0 SwitchCore SwitchCore
I2C Controller 1 SwitchCore SwitchCore
UART 0 Peripherial NA
UART 1 Peripherial SwitchCore
JTAG
Reset Controller SwitchCore
PAD Controller SwitchCore
GPIO Controller
Extra GPIO Controller SwitchCore SwitchCore
Led Controller SwitchCore
Extra LED Controller SwitchCore SwitchCore
MDIO Controller SwitchCore

Interrupt Map

Interrupts are a bit more complex with both an interrupt and a routing component. See SoC interrupt controller for details.

Interrupt source IRQ VPE0 IRQ destination (SDK) VPE1 IRQ destination (SDK) Notes
DELAY2 2
DELAY3 3
DELAY4 4
WDT_IP1 5 4
WDT_IP2 6 4 Only listed as ISR
TIMER0 7 5
TIMER1 8 5
TIMER2 9
TIMER3 10
TIMER4 11
Lexra Bus Traffic Generator/GDMA 12
GPIO0 (ABCD) 13 1
Reserved 14
SLXTO/LXSTO 15
HLXTO/LXMTO 16
OCPTO 17
Reserved 18
SPI_NAND 19
ECC (Hashing) 20
Reserved 21
SECURITY (Crypto) 22
SWCORE 23 2
NIC 24 3
Reserved 25
Reserved 26
Reserved 27
USB_H2 28 2
Reserved 29
UART0 30 1
UART1 31 0

Memory Map

The memory map addresses are obtained from a combination of the devicetree and the memory_map header

Phsyical map

Bus Address start Address end size Function Note
OCP* 0x0000_0000 0x0800_0000 0x0800_0000 DDR Memory access 1Gbit (128MiB) max RAM as per datasheet, RTL8197F datasheet proclaims 256MiB address space
OCP* 0x1400_0000 0x17FF_FFFF 0x0400_0000 QSPI FLash memory mapped 512Mbit (64MBiB), RTL8197F proclaims 128MiB starting at 0x10000000
Lexra Peripherial Bus 0x1800_0000 0x1820_0000 0x0020_0000 SoC Peripherial register space
Lexra LX0 0x1B00_0000 0x1D00_0000 0x0200_0000 SwitchCore Register details
OCP* 0x1F00_0000 0x1F01_0000 0x0001_0000 SRAM Used by BootROM, free for other uses by kernel (Header states 128KB, doc states 64KB
OCP* 0x1FB0_0000 - - RTC? Mentioned in the RTL8197 SDK …
OCP* 0x1FC0_0000 0x1FD0_0000 0x0010_0000 CPU Boot ROM Boot code executed by CPU to load SPL from Flash ? Address from RTL8197F Datasheet, so could be wrong. We should see if it is actually there and if we can extract it!
OCP* 0x1FD0_0000 0x1FE0_0000 0x0010_0000 ROM Mini OS that configures the switch based on EEPROM ? Address from RTL8197F Datasheet, so could be wrong. We should see if it is actually there and if we can extract it!

OCP* Directly connected to the CPU address bus

SoC Peripherial map

The SoC Peripherial map and register map. To read from U-Boot an offset of `0xb8000000` where linux accesses the uncached `0x18000000` is required to address registers via kseg1.

Address start Address end size Function
0x000000 0x000007 0x000008 SoC ID Registers
0x000008 0x00004b 0x000048 Lexra Bus Controller
0x000100 0x000103 0x000004 PIN Status
0x000104 0x000113 0x000010 PAD Controller
0x000114 0x000143 0x000030 DDR IO Control
0x000200 0x000233 0x000033 CLK Controller
0x000388 0x0005ff 0x000278 CMU Controller
0x000400 0x0004ff 0x000100 BIST (Built In Self Test) Controller
0x000500 0x0005ff 0x000100 USB PHY (ANA) Controller (UPCR)
0x000600 0x000603 0x000004 IP Enable Controller
0x000608 0x00060b 0x000004 DLL Controller
0x00060c 0x00060f 0x000004 SYS MISC Controller
0x000610 0x000617 0x000008 DLL ANA Controller
0x000618 0x00063b 0x000024 Speed Sensor Controller
0x00063c 0x00063f 0x000004 New IP Enable Controller
0x700 efuses?
0x001000 0x0010ff 0x000100 Memory controller (includes multiple items, inc. memory controller versioning)
0x001200 0x00121b 0x00001c SPI0 Controller
0x001300 0x001307 0x000008 UMSAR / UNMAP / UMSAR/UMSSR 0
0x001310 0x001317 0x000008 UMSAR / UNMAP / UMSAR/UMSSR 1
0x001320 0x001327 0x000008 UMSAR / UNMAP / UMSAR/UMSSR 2
0x001330 0x001337 0x000008 UMSAR / UNMAP / UMSAR/UMSSR 3
0x001500 0x0015df 0x0000e0 DDR PHY Memory Controller
0x001600 0x001613 0x000014 Mem Cache Controller
0x002000 0x002017 0x000018 UART0
0x002100 0x002117 0x000018 UART1
0x003000 0x003023 0x000024 Interrupt controller
0x003080 0x003093 0x000014 Delayed Interrupt Controller
0x003200 0x00300f 0x000010 Timer0
0x003210 0x00301f 0x000010 Timer1
0x003220 0x00302f 0x000010 Timer2
0x003230 0x00303f 0x000010 Timer3
0x003240 0x00304f 0x000010 Timer4
0x003250 0x00325f 0x000010 Timer5
0x003260 0x00326b 0x00000c Watchdog Timer
0x003300 0x00331b 0x00001c GPIO0 Controller (ABCD)
0x00331c 0x003337 0x00001c GPIO1 Controller (EFGH)
0x003338 0x00333f 0x000008 GPIO0 affinity
0x003340 0x003348 0x000008 GPIO1 affinity
0x004000 0x0040fb 0x0000fc SRAM Controller
0x004080 0x00408b 0x00000c ROM Controller
0x004090 0x00409b 0x00000c SRAM Misc Controller
0x004200 0x004233 0x000034 DDR PHY Memory Controller
0x005100 0x00526c 0x00016c OB to MONT
0x005200 0x00520b 0x00000c Lexra bus to MONT
0x00a000 0x00a23b 0x00023c Lexra Bus 1 Traffic Generator
0x00c000 0x00c00b 0x00000c IP Sec Crypto engine (generic crypto engine?)
0x018000 0x01823b 0x00023c Lexra Bus 2 Traffic Generator
0x01a400 0x01a443 0x000044 SPI NAND flash Controller
0x01a600 0x01a653 0x000054 ECC Controller (Error Correcting Code (BCH) CODEC)
0x020000 0x020000 0x000100 USB OHCI Controller (based of rtl819x datasheet)
0x021000 0x0210a4 0x0000a4 USB EHCI Controller (rtk_gen1-ehci)
0x0210a4 0x021xxx 0x000xxx EHCI UTMI
0x140200 0x1402xx 0x0000xx USB-PHY Frequency/Ext CFG?
0x144000 0x14423b 0x00023c Lexra Bus 0 Traffic Generator

PIN Status 0 0x100

Could be likely the strapping pins or configuration registers

BITs Name Description
31:20 - Must be zero
19:18 DRAM_TYPE DDR1/DDR2/DDR3?
17:16 BOOT_UP_TYPE SPI/Nor boot type?
15 enctrlch
14:13 CS1_MUX_SEL Chip Select 1 Mux select
12 - Must be zero
11 - Unused
10 - Must be zero
9 spictrl SPI control?
8 flshcfg Flash Configuration?
7 SPI_FLASH_4B_EN 3 or 4 byte SPI address mode?
6 pin_cksel Pin Clock Select?
5 testmode/SCAN_MODE Must be zero
4 SPEED_UP
3:0 cpmode Must be zero

PIN Status 1 0x104

Could be likely the strapping pins

BITs Name Description
31:3 - Must be zero
2 spifben SPI Flash Enable?
1:0 sdckg ?

Longan

RTL930x

SoC series with condename "Longan".

Common features:

Model number MODEL_NAME_INFO Ports Comment
9301 (Datasheet) 24x GE, 4x 10GE 4 pairs of 8Gbps SerDes allows stacking additional 9301 for 48x GE, 4x 10GE, 128 GBit switch cap
9302A 0x93020810 12 x 2.5G 60 GBit switch cap
9302B 0x93021010 8 x 2.5G 40 GBit switch cap
9302C 0x93021810 16 x 2.5G 80 GBit switch cap
9302D 0x93022010 24 x 2.5G 120 GBit switch cap
9302A 0x93020800 8x GE, 12x 2.5GE, 4x 10GE No emb. PHY, 156 Gbit switch cap
9302B 0x93021000 16x GE, 8x 2.5GE, 4x 10GE No emb. PHY, 152 GBit switch cap
9302C 0x93021800 16x 2.5GE, 4x 10GE No emb. PHY, 160 GBit switch cap
9302D 0x93022000 24x 2.5GE, 2x 10GE No emb. PHY, 160 GBit switch cap
9302F 0x93023001
9303 (Datasheet) 0x93030001 8× 10G 160Gb/s switching capacity

9301

As we only have the datasheet for the RTL9301, this is the only hard evidence for the device due to pinouts that we know. Also important to note, that Only SserDes 2, 4, 6 and 8 have differential clock-pairs. There's also 4 single pole clock outputs.

SerDes Switch Ports MII name Notes
0 0-3 QSGMII 4Gbit, commonly combined with sds1 to form dual QSGMII to drive octal gbit PHY's
1 4-7 QSGMII 4Gbit, commonly combined with sds0 to form dual QSGMII to drive octal gbit PHY's
2 8-15 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY
3 16-23 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY
4 24 10GBase-R 10/1Gbit for use with 1/10 SFP+ PHY's
5 x x SerDes 5 is unavilable in single SoC layouts
6 25 10GBase-R 10/1Gbit for use with 1/10 SFP+ PHY's
7 28 SGMII 1Gbit for use with CPU interface (via Table 7)
8 26 10GBase-R 10/1Gbit for use with 1/10 SFP+ PHY's
9 27 10GBase-R 10/1Gbit for use with 1/10 SFP+ PHY's

The 9301 can also be configured in cascading mode, where the master or slave, uses the following serdes layout

SerDes Switch Ports MII name Notes
0 0-3 QSGMII 4Gbit, commonly combined with sds1 to form dual QSGMII to drive octal gbit PHY's
1 4-7 QSGMII 4Gbit, commonly combined with sds0 to form dual QSGMII to drive octal gbit PHY's
2 8-15 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY
3 16-23 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY
4 24 RSXGMII RXAUI+ interface to connect to cascaded switch (combined with sds5)
5 24 RSXGMII RXAUI+ interface to connect to cascaded switch (combined with sds4)
6 25 RSXGMII RXAUI+ interface to connect to cascaded switch (combined with sds7)
7 25 RSXGMII RXAUI+ interface to connect to cascaded switch (combined with sds6)
8 26 10GBase-R 10Gbit for use with 1/10 SFP+ PHY's
9 27 10GBase-R 10Gbit for use with 1/10 SFP+ PHY's

9302

As we have no datasheet for the RTL9302, this is based from code and 'how it seems to work', so some salt grains are needed here. Some unknowns are, we have 152 Gbit, or 76 GBit FD, and know that at most, we have to do 16 * 1GE, 8 * 2.5GE and 4 * 10GE. We also know that XGS1210/1250 use the last 4 serdes for those non-GE ports, and sds2 for an octal PHY using port 0 - 7. We also know we can't change port and serdes numbers, they are matched. It thus seems likely, considering the 9301 and minimal changes, that sds0 and 1 have been 'repurposed' for quad 2.5G serdes (10G), as we need to put 8x2.5 somewhere, again, can't change port numbers. We also know, that sds6-9 are single port serdeses, so the following table seems possible.

SerDes Switch Ports MII name Notes
0 x No data available for this serdes
1 x No data available for this serdes
2 0-7 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY
3 8-15? XSGMII? Unknown function of serdes Likely
4 16-19? ? Unknown function of serdes Quad 2.5G?
5 20-23? ? Unknown function of serdes Quad 2.5G?
6 24 10GBase-R/XSGMII 10/1Gbit for use with 1/10 SFP+ PHY's for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY?
7 25 10GBase-R/XSGMII 10/1Gbit for use with 1/10 SFP+ PHY's for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY?
8 26 10GBase-R/XSGMII 10/1Gbit for use with 1/10 SFP+ PHY's for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY?
9 27 10GBase-R/XSGMII 10/1Gbit for use with 1/10 SFP+ PHY's for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY?

9303

As we have no datasheet for the RTL9303, this is based from code and 'how it seems to work', so some salt grains are needed here.

SerDes Switch Ports MII name Notes
0 x QSGMII? No data available for this serdes
1 x QSGMII? No data available for this serdes
2 0-7 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY or SFP fiber
3 8-15 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY or SFP fiber
4 16-19 XSGMII 10Gbit for use with quad 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY or SFP fiber
5 20-23 XSGMII 10Gbit for use with quad 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one /2.5/5/10 copper PHY or SFP fiber
6 24 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY or SFP fiber
7 25 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY or SFP fiber
8 26 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY or SFP fiber
9 27 XSGMII 10Gbit for use with octal 1Gbit PHY, or quad 2.5G PHY or dual 5G PHY or one 1/2.5/5/10 copper PHY or SFP fiber

Serdes 4 and 5 only map 4 ports each, unless this is configurable, we'd have to assume the rtl9303 doesn't support octal PHY's on those serdeses.

Pin Assignment

The following pinout is the RTL9301, but it's expected considering the identical chip dimensions that the pinout is identical for all 930x.

Ball Mux 0 Mux 1
A
A1SPI_SLV_SDI
A2SPI_SLV_SCLK
A3SPI_SLV_SDO
A4JTAG_TDIUART1_RXD
A5GPIO01EXT_GPIO_MDC
A6GPIO03SPI_SCK
A7GPIO05SPI_MOSI
A8GPIO07SPI_CS0
A9GPIO09I2C_SDA0
A10GPIO11I2C_SDA2
A11GPIO13I2C_SDA4
A12GPIO15I2C_SDA6
A13GPIO17I2C_CLK1
A14GPIO19LED Sync
A15GPIO21EXT_MDX_MDC
A16GPIO23LED_STACK
A17M3_MDC
B
B1UART0_TXD
B2UART0_RXD
B3SPI_SLV_CS
B4JTAG_TMSUART1_RTS
B5GPIO00SYS_LED
B6GPIO02EXT_GPIO_MDIO
B7GPIO04SPI_MISO
B8GPIO06SPI_CS1
B9GPIO08I2C_CLK0
B10GPIO10I2C_SDA1
B11GPIO12I2C_SDA3
B12GPIO14I2C_SDA5
B13GPIO16I2C_SDA7
B14GPIO18USB LED
B15GPIO20
B16GPIO22EXT_MDX_MDIO
B17M3_MDIO
C
C1LED_MDC
C2LED_MDIO
C3UART0_RTS
C4JTAG_TRST
C5JTAG_TCKUART1_CTS
D
D1RESET
D2INT
D3RST_OUT
D4UART0_CTS
D5JTAG_TDOUART1_TXD
E
E1QSPI_NOR_CS1
E2QSPI_NOR_CS0
F
F1QSPI_NOR_SIO3
F2QSPI_NOR_SIO2
F4USB_DM
G
G1QSPI_NOR_SIO1
G2QSPI_NOR_SIO0
G4USB_DP
H
H1QSPI_NOR_SCK
H2QSPI_NOR_RSTN
Y
Y27M2_MDC
Y26M2_MDIO
AD
AD23M0_MDC
AE
AE24M0_MDIO
AF
AF27M1_MDIO
AG
AG27M1_MDC

Pin Mux

The RTL93xx doesn't have a pin mux in a traditional sense. While previous generations seems to have had it, the rtl930x seems to remove the notion entirely. Instead, control blocks have a (usually) single bit, indicating if a certain pad is to be setup as GPIO in (usually `0b0`, the default) or whatever special function the pad is part of (usually `0b1` to enable the pad as special function).

RTL931x SoCs

The following section describes the Mango, or rtl931x series. A lot of the things are duplicated from the rtl930x however, and thus only differences are explicitly mentioned here. Note though that this all grows organically however.

SoC series with codename "Mango". All SoCs in this series have a 1004Kc MIPS core.

Common features:

Model number MODEL_NAME_INFO Ports Comment
9311 48GE + 6x 10GE Stackable, L3, 108GBit (marketing, 216Gbit math, 240Gbit max?) switch cap
9313 12x 10Gb L3

Pin Assignment

The following pinout is the RTL9311, but it's expected considering the identical chip dimensions that the pinout is identical for all 931x.

Dedicated pins to serdes, PCIe etc are left out for briefety

Ball Mux 0 Mux 1
A
A19MDC_1
A20MDC_0
A21QSPI_SIO1
A22QSPI_SIO2
A23QSPI_CLK
A24QSPI_CS0#
A32USB_HSDP
B
B19MDIO_1
B20MDIO_0
B21QSPI_SIO0
B22QSPI_SIO3
B22QSPI_RST#
B24QSPI_CS1#
B31USB_LED
B32USB_HSDP
AG
AG19GPIO17I2C_SDA2
AG20GPIO20I2C_SDA5
AG21GPIO26I2C_SDA11
AG24UART1_RTS#
AG25UART1_CTS#
AG26UART0_RTS#
AH
AH17GPIO27
AH19GPIO16I2C_SDA1
AH20GPIO19I2C_SDA4
AH21GPIO25I2C_SDA10
AK22GPIO12SPI_CS1#
AH23GPIO05JTAG_TRST#
AH25UART1_TXD
AH26UART0_CTS#
AJ
AJ17GPIO_31LED_SYNC
AJ19GPIO15I2C_SDA0
AJ21GPIO24I2C_SDA9
AJ23GPIO03JTAG_TMS
AJ25UART1_RXD
AK
AK17GPIO28
AK18LED_SDALED_MDIO
AK19GPIO13I2C0_SCK
AK20GPIO18I2C_SDA3
AK21GPIO23I2C_SDA8
AK22GPIO11SPI_CS0#
AK23GPIO03JTAG_TCK
AK24GPIO06JTAG_TDI
AK25GPIO00SYS_LED
AK26SPI_SLV_SDO
AL
AL17MDIO_2
AL19GPIO_30SC_MDIO
AL20GPIO14I2C1_SCK
AL21GPIO22I2C_SDA7
AL22GPIO10SPI_MOSI
AL23GPIO08SPI_SCK
AL24GPIO07JTAG_TDO
AL25GPIO02GPIO_MDIO
AL18LED_SCKLED_MDC
AL26PSI_SLV_CS#
AM
AM17MDC_2
AM19GPIO_29SC_MDC
AM21GPIO21I2C_SDA6
AM23GPIO09SPI_MISO
AM25GPIO01GPIO_MDC
AM27SPI_SLV_SDII2C_SLV_SDA
AM28SPI_SLV_SCLKI2C_SLV_SCK
AM29UART0_RXD
AM30UART0_TXD

Clock tree

Ref CLK(25 MHz)OCP PLL(500 ~ 1000 MHz)DIV(1, 2, 4)CPU clock(125 ~ 1000 MHz)MEM PLL(250 ~ 800 MHz)Memory ControllerDIV (DFI)(MAC:PHY 1:2 ratio)DDR clock(250 ~ 800 MHz or fixed 100 MHz)GPHY(25 MHz)SerDes(25 MHz)SWCore PLL(1.2 ~ 1.6 GHz)?DIV(6, 8, 10, 12)?LeXra bus(200 MHz max)USB 2.0(internal PLL (30 MHz)SPI-NAND(200 MHz max)DIV(2, 4, 6, ... 16)SPI NAND clock(100 MHz max)DIV(6, 8, 10, 12)?SPI-NOR(200 Mhz max)DIV(2, 4, 6, ..., 16)SPI NOR Flash clock(100 Mhz max)RTL9310 Clock tree

Interrupt Map

Interrupts are a bit more complex with both an interrupt and a routing component. See SoC interrupt controller for details.

Interrupt source IRQ VPE0 IRQ destination (SDK) VPE1 IRQ destination (SDK) Notes
TIMER0 0
TIMER1 1
TIMER2 2
TIMER3 3
TIMER4 4
TIMER5 5
TIMER6 6
Reserved for TC7 7
WDT_IP1 8
WDT_IP2 9
Reserved 10
RXI-300 11
Reserved 12
Reserved 13
Reserved 14
SWCore 15
NIC 16
Reserved 17
Reserved 18
Reserved 19
GPIO0 (ABCD) 20
Reserved 21
UART0 22
UART1 23
Reserved 24
Reserved 25
Reserved for TC2_DELAY 26
Reserved for TC3_DELAY 27
TC4_DELAY 28
TC5_DELAY 28
TC6_DELAY 30
Reserved for TC7_DELAY 31
LXSTO 32
LXMTO 33
Lexra Bus Traffic Generator/GDMA 34
Reserved 35
USB_H2 36
SPI_NAND 37
ECC 38
Reserved 39
Reserved for IPI 40-47 Used by MIPS InterAptive Inter Processor Interrupts

SerDes Port Mappings

Configuration tables for 0x13bc (2 different views)

SerDes config 0 config 1 config 2
0 0 - 3 config 1 only on chan 0 - 3
1 4 - 7 config 1 only on chan 0 - 3
2 0 - 7 8 - 11 4 - 5 config 2 only on chan 2 + 3
3 8 - 15 12 - 15 12 - 13 config 2 only on chan 2 + 3
4 20 - 21 20 - 21 config 0 only on chan 4 + 5, config 1 only on chan 2 + 3
5 28 - 29 28 - 29 config 0 only on chan 4 + 5, config 1 only on chan 2 + 3
6 36 36 config 0 only on chan 4, config 1 only on chan 0
7 42 - 47 44 - 45 config 0 only on chan 2 - 7, config 1 only on chan 2 + 3
8 50 config 1 only on chan 2
9 50 42, 43, 46, 47 config 1 only on chan 0 - 3
SerDes conf ch0 ch1 ch2 ch3 ch4 ch5 ch6 ch7
0 0 0 1 2 3
1 0 4 5 6 7
2 0 0 1 2 3 4 5 6 7
2 1 8 9 10 11
2 2 4 5
3 0 8 9 10 11 12 13 14 15
3 1 12 13 14 15
3 2 12 13
4 0 20 21
4 1 20 21
5 0 28 29
5 1 28 29
6 0 36
6 1 36 Very odd to see port 36 lonely on serdes 9 chan 0
7 0 42 43 44 45 46 47
7 1 44 45
8 1 50
9 0 50 Very odd to see port 50 lonely on serdes 9 chan 0
9 1 42 43 46 47

Why are there ports missing?

Port opt0 opt1 opt2 notes
0 9-0
1 2-1
2 2-2
3 2-3
4 2-2
5 2-3
6
7
8 2-0 3-0
9 2-1 3-1
10 2-2
11 2-3
12 3-0
13 3-1
14 3-2
15 3-3
18 4-2
19 4-3
20 4-2
21 4-3
26 5-2
27 5-3
28 5-2
29 5-3
34 6-2
35 6-3
36 6-2
37 6-3
42 9-0
43 7-3
44 7-2
45 7-3
50 9-0