XBUS
Jonathan Neuschäfer edited this page Dec 15, 2021
·
2 revisions
| device | MMIO | description |
|---|---|---|
| GCR | 0xb000004c | XBUS control register |
| XBUS0 | 0x44000000 | XBUS with chip-select 0 |
| XBUS1 | 0x44800000 | XBUS with chip-select 1 |
| XBUS2 | 0x45000000 | XBUS with chip-select 2 |
On Dell boards, the system CPLD is connected to XBUS0.
Overview:
Basics:
Peripherals:
- Memory controller
- UART, SPI/SSPI, I2C, SD
- GPIOs and pinmux
- Ethernet
- USB, LPC, PECI, XBUS
- PWM and Tachometer, ADC
- Graphics
Board specifics: