diff options
Diffstat (limited to 'arch/arm/boards/friendlyarm-mini2440/mini2440.c')
| -rw-r--r-- | arch/arm/boards/friendlyarm-mini2440/mini2440.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/arch/arm/boards/friendlyarm-mini2440/mini2440.c b/arch/arm/boards/friendlyarm-mini2440/mini2440.c index 86e22ad131..4034de5a52 100644 --- a/arch/arm/boards/friendlyarm-mini2440/mini2440.c +++ b/arch/arm/boards/friendlyarm-mini2440/mini2440.c @@ -16,12 +16,6 @@ * */ -/** - * @file - * @brief mini2440 Specific Board Initialization routines - * - */ - #include <common.h> #include <driver.h> #include <init.h> @@ -338,156 +332,3 @@ static int mini2440_console_init(void) } console_initcall(mini2440_console_init); - -/** @page mini2440 FriendlyARM's mini2440 - -This system is based on a Samsung S3C2440 CPU. The card is shipped with: - -- S3C2440\@400 MHz or 533 MHz (ARM920T/ARMv4T) -- 12 MHz crystal reference -- 32.768 kHz crystal reference -- SDRAM 64 MiB (one bank only) - - HY57V561620 (two devices for 64 MiB to form a 32 bit bus) - - 4M x 16bit x 4 Banks Mobile SDRAM - - 8192 refresh cycles / 64 ms - - CL2\@100 MHz - - 133 MHz max - - collumn address size is 9 bits - - row address size is 13 bits - - MT48LC16M16 (two devices for 64 MiB to form a 32 bit bus) - - 4M x 16bit x 4 Banks Mobile SDRAM - - commercial & industrial type - - 8192 refresh cycles / 64 ms - - CL2\@100 MHz - - 133 MHz max - - collumn address size is 9 bits - - row address size is 13 bits -- NAND Flash 128MiB...1GiB - - K9Fxx08 -- NOR Flash (up to 22 address lines available) - - AM29LV160DB, 2 MiB - - SST39VF1601, 2 MiB - - 16 bit data bus -- SD card interface, 3.3V (fixed voltage) -- Host and device USB interface, USB1.1 compliant -- UDA1341TS Audio -- DM9000 Ethernet interface - - uses CS#4 - - uses EINT7 - - 16 bit data bus -- I2C interface, 100 KHz and 400 KHz - - EEPROM - - ST M24C08 - - address 0x50 -- Speaker on GPB0 ("low" = inactive) -- LCD interface -- Touch Screen interface -- Camera interface -- I2S interface -- AC97 Audio-CODEC interface -- three serial RS232 interfaces (one with level converter) -- SPI interface -- JTAG interface - -How to get the binary image: - -Using the default configuration: - -@code -make ARCH=arm mini2440_defconfig -@endcode - -Build the binary image: - -@code -make ARCH=arm CROSS_COMPILE=armv4compiler -@endcode - -@note replace the armv4compiler with your ARM v4 cross compiler. - -How to bring in \a barebox ? - -First run it as a second stage bootloader. There are two known working ways to -do so: - -One way is to use the "device firmware update" feature of the 'supervivi'. - - connect a terminal application to the mini2440's serial connector - - switch S2 to 'boot from NOR' to boot into 'supervivi' - - connect your host to the usb device connector on the mini2440 - - switch on your mini2440 - - in 'supervivi' type q (command line) then: -@code -load ram 0x31000000 \<barebox-size\> u -@endcode - - use a tool for DFU update (for example from openkomo) to transfer the 'barebox.bin' binary - - then in 'supervivi' just run -@code -go 0x31000000 -@endcode - -A second way is to use any kind of JTAG adapter. For this case I'm using the -'JTAKkey tiny' from Amontec and OpenOCD. First you need an adapter for this -kind of Dongle as it uses a 20 pin connector with 2.54 mm grid, and the -mini2440 uses a 10 pin connector with 2 mm grid. - -@code - Amontec JTAGkey tiny mini2440 - ------------------------------------------------------- - VREF 1 2 n.c. VREF 1 2 VREF - TRST_N 3 4 GND TRST_N 3 4 SRST_N - TDI 5 6 GND TDI 5 6 TDO - TMS 7 8 GND TMS 7 8 GND - TCK 9 10 GND TCK 9 10 GND - n.c. 11 12 GND - TDO 13 14 GND - SRST_N 15 16 GND - n.c. 17 18 GND - n.c. 19 20 GND -@endcode - -Create a simple board description file. I did it this way: - -@code -source [find interface/jtagkey-tiny.cfg] -source [find target/samsung_s3c2440.cfg] - -adapter_khz 12000 -@endcode - -And then the following steps: - - connect a terminal application to the mini2440's serial connector - - connect the mini2440 to a working network - - switch S2 to boot from NOR to boot into 'supervivi' - - switch on your mini2440 - - run the OpenOCD daemon configured with the file shown above - - connect to the OpenOCD daemon via 'telnet'. - - run the following commands to download @a barebox into your target -@code -> halt -> load_image \<path to the 'barebox.bin'\> 0x31000000 bin -> resume 0x31000000 -@endcode - -Now @a barebox is starting from an already initialized CPU and SDRAM (done by -'supervivi'). - -Change to your terminal console and configure the network first. Adapt the -following settings to your network: -@code -eth0.ipaddr=192.168.1.240 -eth0.netmask=255.255.255.0 -eth0.gateway=192.168.23.2 -eth0.serverip=192.168.1.7 -eth0.ethaddr=00:04:f3:00:06:35 -@endcode - -A 'ping' to your TFTP server should bring a "...is alive" message now. - -We are ready now to program @a barebox into the NAND flash: - -@code -erase /dev/nand0.barebox.bb -tftp barebox.bin /dev/nand0.barebox.bb -@endcode - -*/ |