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Cooper Jr., Franklin b7695c0e59 board: ks2: README: Update NAND wording 
Traditional KS2 devices supported NAND via the AEMIF peripheral. However,
66AK2G doesn't use the AEMIF but rather the GPMC for NAND. Therefore,
clarify some statements to indicate only certain devices have AEMIF and
in other places just say NAND instead of AEMIF NAND

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
2017-08-11 11:34:13 -04:00

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U-Boot port for Texas Instruments Keystone II EVM boards
========================================================
Author: Murali Karicheri <m-karicheri2@ti.com>
This README has information on the U-Boot port for K2HK, K2E, and K2L EVM boards.
Documentation for this board can be found at
http://www.advantech.com/Support/TI-EVM/EVMK2HX_sd.aspx
https://www.einfochips.com/index.php/partnerships/texas-instruments/k2e-evm.html
https://www.einfochips.com/index.php/partnerships/texas-instruments/k2l-evm.html
The K2HK board is based on Texas Instruments Keystone2 family of SoCs: K2H, K2K.
More details on these SoCs are available at company websites
K2K: http://www.ti.com/product/tci6638k2k
K2H: http://www.ti.com/product/tci6638k2h
The K2E SoC details are available at
http://www.ti.com/lit/ds/symlink/66ak2e05.pdf
The K2L SoC details are available at
http://www.ti.com/lit/ds/symlink/tci6630k2l.pdf
The K2G SoC details are available at
http://www.ti.com/lit/ds/symlink/66ak2g02.pdf
Board configuration:
====================
Some of the peripherals that are configured by U-Boot
+------+-------+-------+-----------+-----------+-------+-------+----+
| |DDR3 |NAND |MSM SRAM |ETH ports |UART |I2C |SPI |
+------+-------+-------+-----------+-----------+-------+-------+----+
|K2HK |2 |512MB |6MB |4(2) |2 |3 |3 |
|K2E |4 |512MB |2MB |8(2) |2 |3 |3 |
|K2L |2 |512MB |2MB |4(2) |4 |3 |3 |
|K2G |2 |256MB |1MB |1 |1 |1 |1 |
+------+-------+-------+-----------+-----------+-------+-------+----+
There are only 2 eth port installed on the boards.
There are separate PLLs to drive clocks to Tetris ARM and Peripherals.
To bring up SMP Linux on this board, there is a boot monitor
code that will be installed in MSMC SRAM. There is command available
to install this image from U-Boot.
The port related files can be found at following folders
keystone2 SoC related files: arch/arm/cpu/armv7/keystone/
EVMs board files: board/ti/k2s_evm/
Board configuration files:
include/configs/k2hk_evm.h
include/configs/k2e_evm.h
include/configs/k2l_evm.h
include/configs/k2g_evm.h
As U-Boot is migrating to Kconfig there is also board defconfig files
configs/k2e_evm_defconfig
configs/k2hk_evm_defconfig
configs/k2l_evm_defconfig
configs/k2g_evm_defconfig
Supported boot modes:
- SPI NOR boot
- AEMIF NAND boot (K2E, K2L and K2HK)
- UART boot
- MMC boot (Only on K2G)
Supported image formats:
- u-boot.bin: for loading and running u-boot.bin through
Texas Instruments code composure studio (CCS) and for UART boot.
- u-boot-spi.gph: gpimage for programming SPI NOR flash for SPI NOR boot
- MLO: gpimage for programming NAND flash for NAND boot, MMC boot.
Build instructions:
===================
Examples for k2hk, for k2e, k2l and k2g just replace k2hk prefix accordingly.
Don't forget to add ARCH=arm and CROSS_COMPILE.
To build u-boot.bin, u-boot-spi.gph, MLO:
>make k2hk_evm_defconfig
>make
Load and Run U-Boot on keystone EVMs using CCS
=========================================
Need Code Composer Studio (CCS) installed on a PC to load and run u-boot.bin
on EVM. See instructions at below link for installing CCS on a Windows PC.
http://processors.wiki.ti.com/index.php/MCSDK_UG_Chapter_Getting_Started#
Installing_Code_Composer_Studio
Use u-boot.bin from the build folder for loading and running U-Boot binary
on EVM. Follow instructions at
K2HK http://processors.wiki.ti.com/index.php/EVMK2H_Hardware_Setup
K2E http://processors.wiki.ti.com/index.php/EVMK2E_Hardware_Setup
K2L http://processors.wiki.ti.com/index.php/TCIEVMK2L_Hardware_Setup
K2G http://processors.wiki.ti.com/index.php/66AK2G02_GP_EVM_Hardware_Setup
to configure SW1 dip switch to use "No Boot/JTAG DSP Little Endian Boot Mode"
and Power ON the EVM. Follow instructions to connect serial port of EVM to
PC and start TeraTerm or Hyper Terminal.
Start CCS on a Windows machine and Launch Target
configuration as instructed at http://processors.wiki.ti.com/index.php/
MCSDK_UG_Chapter_Exploring#Loading_and_Running_U-Boot_on_EVM_through_CCS.
The instructions provided in the above link uses a script for
loading the U-Boot binary on the target EVM. Instead do the following:-
1. Right click to "Texas Instruments XDS2xx USB Emulator_0/CortexA15_1 core (D
is connected: Unknown)" at the debug window (This is created once Target
configuration is launched) and select "Connect Target".
2. Once target connect is successful, choose Tools->Load Memory option from the
top level menu. At the Load Memory window, choose the file u-boot.bin
through "Browse" button and click "next >" button. In the next window, enter
Start address as 0xc000000, choose Type-size "32 bits" and click "Finish"
button.
3. Click View -> Registers from the top level menu to view registers window.
4. From Registers, window expand "Core Registers" to view PC. Edit PC value
to be 0xc000000. From the "Run" top level menu, select "Free Run"
5. The U-Boot prompt is shown at the Tera Term/ Hyper terminal console as
below and type any key to stop autoboot as instructed :=
U-Boot 2014.04-rc1-00201-gc215b5a (Mar 21 2014 - 12:47:59)
I2C: ready
Detected SO-DIMM [SQR-SD3T-2G1333SED]
DRAM: 1.1 GiB
NAND: 512 MiB
Net: K2HK_EMAC
Warning: K2HK_EMAC using MAC address from net device
, K2HK_EMAC1, K2HK_EMAC2, K2HK_EMAC3
Hit any key to stop autoboot: 0
SPI NOR Flash programming instructions
======================================
U-Boot image can be flashed to first 512KB of the NOR flash using following
instructions:
1. Start CCS and run U-Boot as described above.
2. Suspend Target. Select Run -> Suspend from top level menu
CortexA15_1 (Free Running)"
3. Load u-boot-spi.gph binary from build folder on to DDR address 0x87000000
through CCS as described in step 2 of "Load and Run U-Boot on K2HK/K2E/K2L
EVM using CCS", but using address 0x87000000.
4. Free Run the target as described earlier (step 4) to get U-Boot prompt
5. At the U-Boot console type following to setup U-Boot environment variables.
setenv addr_uboot 0x87000000
setenv filesize <size in hex of u-boot-spi.gph rounded to hex 0x10000>
run burn_uboot_spi
Once U-Boot prompt is available, Power OFF the EVM. Set the SW1 dip switch
to "SPI Little Endian Boot mode" as per instruction at
http://processors.wiki.ti.com/index.php/*_Hardware_Setup.
6. Power ON the EVM. The EVM now boots with U-Boot image on the NOR flash.
AEMIF NAND Flash programming instructions
======================================
U-Boot image can be flashed to first 1024KB of the NAND flash using following
instructions:
1. Start CCS and run U-Boot as described above.
2. Suspend Target. Select Run -> Suspend from top level menu
CortexA15_1 (Free Running)"
3. Load MLO binary from build folder on to DDR address 0x87000000
through CCS as described in step 2 of "Load and Run U-Boot on K2HK EVM
using CCS", but using address 0x87000000.
4. Free Run the target as described earlier (step 4) to get U-Boot prompt
5. At the U-Boot console type following to setup U-Boot environment variables.
setenv filesize <size in hex of MLO rounded to hex 0x10000>
run burn_uboot_nand
Once U-Boot prompt is available, Power OFF the EVM. Set the SW1 dip switch
to "ARM NAND Boot mode" as per instruction at
http://processors.wiki.ti.com/index.php/*_Hardware_Setup.
6. Power ON the EVM. The EVM now boots with U-Boot image on the NAND flash.
Load and Run U-Boot on keystone EVMs using UART download
========================================================
Open BMC and regular UART terminals.
1. On the regular UART port start xmodem transfer of the u-boot.bin
2. Using BMC terminal set the ARM-UART bootmode and reboot the EVM
BMC> bootmode #4
MBC> reboot
3. When xmodem is complete you should see the U-Boot starts on the UART port
Load and Run U-Boot on K2G EVMs using MMC
========================================================
Open BMC and regular UART terminals.
1. Set the SW3 dip switch to "ARM MMC Boot mode" as per instruction at
http://processors.wiki.ti.com/index.php/66AK2G02_GP_EVM_Hardware_Setup
2. Create SD card partitions as per steps given in Hardware Setup Guide.
3. Copy MLO to Boot Partition.
4. Insert SD card and Power on the EVM.
The EVM now boots with U-Boot image from SD card.
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