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