+++ /dev/null
-Atmel AT91 Evaluation kits
-
-Index
- - I. Board mapping & boot media
- - II. NAND partition table
- - III. watchdog support
-
-I. Board mapping & boot media
-------------------------------------------------------------------------------
-AT91SAM9260EK, AT91SAM9G20EK & AT91SAM9XEEK
-------------------------------------------------------------------------------
-
-Memory map
- 0x20000000 - 23FFFFFF SDRAM (64 MB)
- 0xC0000000 - Cxxxxxxx Atmel Dataflash card (J13)
- 0xD0000000 - D07FFFFF Soldered Atmel Dataflash (AT45DB642)
-
-Environment variables
-
- U-Boot environment variables can be stored at different places:
- - Dataflash on SPI chip select 1 (default)
- - Dataflash on SPI chip select 0 (dataflash card)
- - Nand flash.
-
- You can choose your storage location at config step (here for at91sam9260ek) :
- make at91sam9260ek_nandflash_config - use nand flash
- make at91sam9260ek_dataflash_cs0_config - use data flash (spi cs0)
- make at91sam9260ek_dataflash_cs1_config - use data flash (spi cs1)
-
-
-------------------------------------------------------------------------------
-AT91SAM9261EK, AT91SAM9G10EK
-------------------------------------------------------------------------------
-
-Memory map
- 0x20000000 - 23FFFFFF SDRAM (64 MB)
- 0xC0000000 - C07FFFFF Soldered Atmel Dataflash (AT45DB642)
- 0xD0000000 - Dxxxxxxx Atmel Dataflash card (J22)
-
-Environment variables
-
- U-Boot environment variables can be stored at different places:
- - Dataflash on SPI chip select 0 (default)
- - Dataflash on SPI chip select 3 (dataflash card)
- - Nand flash.
-
- You can choose your storage location at config step (here for at91sam9260ek) :
- make at91sam9261ek_nandflash_config - use nand flash
- make at91sam9261ek_dataflash_cs0_config - use data flash (spi cs0)
- make at91sam9261ek_dataflash_cs3_config - use data flash (spi cs3)
-
-
-------------------------------------------------------------------------------
-AT91SAM9263EK
-------------------------------------------------------------------------------
-
-Memory map
- 0x20000000 - 23FFFFFF SDRAM (64 MB)
- 0xC0000000 - Cxxxxxxx Atmel Dataflash card (J9)
-
-Environment variables
-
- U-Boot environment variables can be stored at different places:
- - Dataflash on SPI chip select 0 (dataflash card)
- - Nand flash.
- - Nor flash (not populate by default)
-
- You can choose your storage location at config step (here for at91sam9260ek) :
- make at91sam9263ek_nandflash_config - use nand flash
- make at91sam9263ek_dataflash_cs0_config - use data flash (spi cs0)
- make at91sam9263ek_norflash_config - use nor flash
-
- You can choose to boot directly from U-Boot at config step
- make at91sam9263ek_norflash_boot_config - boot from nor flash
-
-
-------------------------------------------------------------------------------
-AT91SAM9M10G45EK
-------------------------------------------------------------------------------
-
-Memory map
- 0x70000000 - 77FFFFFF SDRAM (128 MB)
-
-Environment variables
-
- U-Boot environment variables can be stored at different places:
- - Nand flash.
-
- You can choose your storage location at config step (here for at91sam9m10g45ek) :
- make at91sam9m10g45ek_nandflash_config - use nand flash
-
-
-------------------------------------------------------------------------------
-AT91SAM9RLEK
-------------------------------------------------------------------------------
-
-Memory map
- 0x20000000 - 23FFFFFF SDRAM (64 MB)
- 0xC0000000 - C07FFFFF Soldered Atmel Dataflash (AT45DB642)
-
-Environment variables
-
- U-Boot environment variables can be stored at different places:
- - Dataflash on SPI chip select 0
- - Nand flash.
-
- You can choose your storage location at config step (here for at91sam9rlek) :
- make at91sam9rlek_nandflash_config - use nand flash
-
-
-------------------------------------------------------------------------------
-AT91SAM9N12EK, AT91SAM9X5EK
-------------------------------------------------------------------------------
-
-Memory map
- 0x20000000 - 27FFFFFF SDRAM (128 MB)
-
-Environment variables
-
- U-Boot environment variables can be stored at different places:
- - Nand flash.
- - SD/MMC card
- - Serialflash/Dataflash on SPI chip select 0
-
- You can choose your storage location at config step (here for at91sam9x5ek) :
- make at91sam9x5ek_dataflash_config - use data flash
- make at91sam9x5ek_mmc_config - use sd/mmc card
- make at91sam9x5ek_nandflash_config - use nand flash
- make at91sam9x5ek_spiflash_config - use serial flash
-
-
-------------------------------------------------------------------------------
-SAMA5D3XEK
-------------------------------------------------------------------------------
-
-Memory map
- 0x20000000 - 3FFFFFFF SDRAM (512 MB)
-
-Environment variables
-
- U-Boot environment variables can be stored at different places:
- - Nand flash.
- - SD/MMC card
- - Serialflash on SPI chip select 0
-
- You can choose your storage location at config step (here for sama5d3xek) :
- make sama5d3xek_mmc_config - use SD/MMC card
- make sama5d3xek_nandflash_config - use nand flash
- make sama5d3xek_serialflash_config - use serial flash
-
-
-II. NAND partition table
-
- All the board support boot from NAND flash will use the following NAND
- partition table
-
- 0x00000000 - 0x0003FFFF bootstrap (256 KiB)
- 0x00040000 - 0x000BFFFF u-boot (512 KiB)
- 0x000C0000 - 0x000FFFFF env (256 KiB)
- 0x00100000 - 0x0013FFFF env_redundant (256 KiB)
- 0x00140000 - 0x0017FFFF spare (256 KiB)
- 0x00180000 - 0x001FFFFF dtb (512 KiB)
- 0x00200000 - 0x007FFFFF kernel (6 MiB)
- 0x00800000 - 0xxxxxxxxx rootfs (All left)
-
-III. Watchdog support
-
- For security reasons, the at91 watchdog is running at boot time and,
- if deactivated, cannot be used anymore.
- If you want to use the watchdog, you will need to keep it running in
- your code (make sure not to disable it in AT91Bootstrap for instance).
-
- In the U-Boot configuration, the AT91 watchdog support is enabled using
- the CONFIG_WDT and CONFIG_WDT_AT91 options.
--- /dev/null
+.. SPDX-License-Identifier: GPL-2.0+
+
+AT91 Evaluation kits
+====================
+
+Board mapping & boot media
+--------------------------
+
+AT91SAM9260EK, AT91SAM9G20EK & AT91SAM9XEEK
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Memory map::
+
+ 0x20000000 - 23FFFFFF SDRAM (64 MB)
+ 0xC0000000 - Cxxxxxxx Atmel Dataflash card (J13)
+ 0xD0000000 - D07FFFFF Soldered Atmel Dataflash (AT45DB642)
+
+Environment variables
+
+U-Boot environment variables can be stored at different places:
+
+ - Dataflash on SPI chip select 1 (default)
+ - Dataflash on SPI chip select 0 (dataflash card)
+ - Nand flash
+
+You can choose your storage location at config step (here for at91sam9260ek)::
+
+ make at91sam9260ek_nandflash_config - use nand flash
+ make at91sam9260ek_dataflash_cs0_config - use data flash (spi cs0)
+ make at91sam9260ek_dataflash_cs1_config - use data flash (spi cs1)
+
+
+AT91SAM9261EK, AT91SAM9G10EK
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Memory map::
+
+ 0x20000000 - 23FFFFFF SDRAM (64 MB)
+ 0xC0000000 - C07FFFFF Soldered Atmel Dataflash (AT45DB642)
+ 0xD0000000 - Dxxxxxxx Atmel Dataflash card (J22)
+
+Environment variables
+
+U-Boot environment variables can be stored at different places:
+
+ - Dataflash on SPI chip select 0 (default)
+ - Dataflash on SPI chip select 3 (dataflash card)
+ - Nand flash
+
+You can choose your storage location at config step (here for at91sam9260ek)::
+
+ make at91sam9261ek_nandflash_config - use nand flash
+ make at91sam9261ek_dataflash_cs0_config - use data flash (spi cs0)
+ make at91sam9261ek_dataflash_cs3_config - use data flash (spi cs3)
+
+
+AT91SAM9263EK
+^^^^^^^^^^^^^
+
+Memory map::
+
+ 0x20000000 - 23FFFFFF SDRAM (64 MB)
+ 0xC0000000 - Cxxxxxxx Atmel Dataflash card (J9)
+
+Environment variables
+
+U-Boot environment variables can be stored at different places:
+
+ - Dataflash on SPI chip select 0 (dataflash card)
+ - Nand flash
+ - Nor flash (not populate by default)
+
+You can choose your storage location at config step (here for at91sam9260ek)::
+
+ make at91sam9263ek_nandflash_config - use nand flash
+ make at91sam9263ek_dataflash_cs0_config - use data flash (spi cs0)
+ make at91sam9263ek_norflash_config - use nor flash
+
+You can choose to boot directly from U-Boot at config step::
+
+ make at91sam9263ek_norflash_boot_config - boot from nor flash
+
+
+AT91SAM9M10G45EK
+^^^^^^^^^^^^^^^^
+
+Memory map::
+
+ 0x70000000 - 77FFFFFF SDRAM (128 MB)
+
+Environment variables
+
+U-Boot environment variables can be stored at different places:
+
+ - Nand flash
+
+You can choose your storage location at config step (here for at91sam9m10g45ek)::
+
+ make at91sam9m10g45ek_nandflash_config - use nand flash
+
+
+AT91SAM9RLEK
+^^^^^^^^^^^^
+
+Memory map::
+
+ 0x20000000 - 23FFFFFF SDRAM (64 MB)
+ 0xC0000000 - C07FFFFF Soldered Atmel Dataflash (AT45DB642)
+
+Environment variables
+
+U-Boot environment variables can be stored at different places:
+
+ - Dataflash on SPI chip select 0
+ - Nand flash.
+
+You can choose your storage location at config step (here for at91sam9rlek)::
+
+ make at91sam9rlek_nandflash_config - use nand flash
+
+
+AT91SAM9N12EK, AT91SAM9X5EK
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Memory map::
+
+ 0x20000000 - 27FFFFFF SDRAM (128 MB)
+
+Environment variables
+
+U-Boot environment variables can be stored at different places:
+
+ - Nand flash
+ - SD/MMC card
+ - Serialflash/Dataflash on SPI chip select 0
+
+You can choose your storage location at config step (here for at91sam9x5ek)::
+
+ make at91sam9x5ek_dataflash_config - use data flash
+ make at91sam9x5ek_mmc_config - use sd/mmc card
+ make at91sam9x5ek_nandflash_config - use nand flash
+ make at91sam9x5ek_spiflash_config - use serial flash
+
+
+SAMA5D3XEK
+^^^^^^^^^^
+
+Memory map::
+
+ 0x20000000 - 3FFFFFFF SDRAM (512 MB)
+
+Environment variables
+
+U-Boot environment variables can be stored at different places:
+
+ - Nand flash
+ - SD/MMC card
+ - Serialflash on SPI chip select 0
+
+You can choose your storage location at config step (here for sama5d3xek)::
+
+ make sama5d3xek_mmc_config - use SD/MMC card
+ make sama5d3xek_nandflash_config - use nand flash
+ make sama5d3xek_serialflash_config - use serial flash
+
+
+NAND partition table
+--------------------
+
+All the board support boot from NAND flash will use the following NAND
+partition table::
+
+ 0x00000000 - 0x0003FFFF bootstrap (256 KiB)
+ 0x00040000 - 0x000BFFFF u-boot (512 KiB)
+ 0x000C0000 - 0x000FFFFF env (256 KiB)
+ 0x00100000 - 0x0013FFFF env_redundant (256 KiB)
+ 0x00140000 - 0x0017FFFF spare (256 KiB)
+ 0x00180000 - 0x001FFFFF dtb (512 KiB)
+ 0x00200000 - 0x007FFFFF kernel (6 MiB)
+ 0x00800000 - 0xxxxxxxxx rootfs (All left)
+
+
+Watchdog support
+----------------
+
+For security reasons, the at91 watchdog is running at boot time and,
+if deactivated, cannot be used anymore.
+If you want to use the watchdog, you will need to keep it running in
+your code (make sure not to disable it in AT91Bootstrap for instance).
+
+In the U-Boot configuration, the AT91 watchdog support is enabled using
+the CONFIG_WDT and CONFIG_WDT_AT91 options.
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