0001 ==========================
0002 S3C2412 ARM Linux Overview
0003 ==========================
0004
0005 Introduction
0006 ------------
0007
0008 The S3C2412 is part of the S3C24XX range of ARM9 System-on-Chip CPUs
0009 from Samsung. This part has an ARM926-EJS core, capable of running up
0010 to 266MHz (see data-sheet for more information)
0011
0012
0013 Clock
0014 -----
0015
0016 The core clock code provides a set of clocks to the drivers, and allows
0017 for source selection and a number of other features.
0018
0019
0020 Power
0021 -----
0022
0023 No support for suspend/resume to RAM in the current system.
0024
0025
0026 DMA
0027 ---
0028
0029 No current support for DMA.
0030
0031
0032 GPIO
0033 ----
0034
0035 There is support for setting the GPIO to input/output/special function
0036 and reading or writing to them.
0037
0038
0039 UART
0040 ----
0041
0042 The UART hardware is similar to the S3C2440, and is supported by the
0043 s3c2410 driver in the drivers/serial directory.
0044
0045
0046 NAND
0047 ----
0048
0049 The NAND hardware is similar to the S3C2440, and is supported by the
0050 s3c2410 driver in the drivers/mtd/nand/raw directory.
0051
0052
0053 USB Host
0054 --------
0055
0056 The USB hardware is similar to the S3C2410, with extended clock source
0057 control. The OHCI portion is supported by the ohci-s3c2410 driver, and
0058 the clock control selection is supported by the core clock code.
0059
0060
0061 USB Device
0062 ----------
0063
0064 No current support in the kernel
0065
0066
0067 IRQs
0068 ----
0069
0070 All the standard, and external interrupt sources are supported. The
0071 extra sub-sources are not yet supported.
0072
0073
0074 RTC
0075 ---
0076
0077 The RTC hardware is similar to the S3C2410, and is supported by the
0078 s3c2410-rtc driver.
0079
0080
0081 Watchdog
0082 --------
0083
0084 The watchdog hardware is the same as the S3C2410, and is supported by
0085 the s3c2410_wdt driver.
0086
0087
0088 MMC/SD/SDIO
0089 -----------
0090
0091 No current support for the MMC/SD/SDIO block.
0092
0093 IIC
0094 ---
0095
0096 The IIC hardware is the same as the S3C2410, and is supported by the
0097 i2c-s3c24xx driver.
0098
0099
0100 IIS
0101 ---
0102
0103 No current support for the IIS interface.
0104
0105
0106 SPI
0107 ---
0108
0109 No current support for the SPI interfaces.
0110
0111
0112 ATA
0113 ---
0114
0115 No current support for the on-board ATA block.
0116
0117
0118 Document Author
0119 ---------------
0120
0121 Ben Dooks, Copyright 2006 Simtec Electronics
