121 lines
2.0 KiB
Plaintext
121 lines
2.0 KiB
Plaintext
S3C2412 ARM Linux Overview
|
|
==========================
|
|
|
|
Introduction
|
|
------------
|
|
|
|
The S3C2412 is part of the S3C24XX range of ARM9 System-on-Chip CPUs
|
|
from Samsung. This part has an ARM926-EJS core, capable of running up
|
|
to 266MHz (see data-sheet for more information)
|
|
|
|
|
|
Clock
|
|
-----
|
|
|
|
The core clock code provides a set of clocks to the drivers, and allows
|
|
for source selection and a number of other features.
|
|
|
|
|
|
Power
|
|
-----
|
|
|
|
No support for suspend/resume to RAM in the current system.
|
|
|
|
|
|
DMA
|
|
---
|
|
|
|
No current support for DMA.
|
|
|
|
|
|
GPIO
|
|
----
|
|
|
|
There is support for setting the GPIO to input/output/special function
|
|
and reading or writing to them.
|
|
|
|
|
|
UART
|
|
----
|
|
|
|
The UART hardware is similar to the S3C2440, and is supported by the
|
|
s3c2410 driver in the drivers/serial directory.
|
|
|
|
|
|
NAND
|
|
----
|
|
|
|
The NAND hardware is similar to the S3C2440, and is supported by the
|
|
s3c2410 driver in the drivers/mtd/nand/raw directory.
|
|
|
|
|
|
USB Host
|
|
--------
|
|
|
|
The USB hardware is similar to the S3C2410, with extended clock source
|
|
control. The OHCI portion is supported by the ohci-s3c2410 driver, and
|
|
the clock control selection is supported by the core clock code.
|
|
|
|
|
|
USB Device
|
|
----------
|
|
|
|
No current support in the kernel
|
|
|
|
|
|
IRQs
|
|
----
|
|
|
|
All the standard, and external interrupt sources are supported. The
|
|
extra sub-sources are not yet supported.
|
|
|
|
|
|
RTC
|
|
---
|
|
|
|
The RTC hardware is similar to the S3C2410, and is supported by the
|
|
s3c2410-rtc driver.
|
|
|
|
|
|
Watchdog
|
|
--------
|
|
|
|
The watchdog hardware is the same as the S3C2410, and is supported by
|
|
the s3c2410_wdt driver.
|
|
|
|
|
|
MMC/SD/SDIO
|
|
-----------
|
|
|
|
No current support for the MMC/SD/SDIO block.
|
|
|
|
IIC
|
|
---
|
|
|
|
The IIC hardware is the same as the S3C2410, and is supported by the
|
|
i2c-s3c24xx driver.
|
|
|
|
|
|
IIS
|
|
---
|
|
|
|
No current support for the IIS interface.
|
|
|
|
|
|
SPI
|
|
---
|
|
|
|
No current support for the SPI interfaces.
|
|
|
|
|
|
ATA
|
|
---
|
|
|
|
No current support for the on-board ATA block.
|
|
|
|
|
|
Document Author
|
|
---------------
|
|
|
|
Ben Dooks, Copyright 2006 Simtec Electronics
|