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-rw-r--r-- | nuttx/configs/pirelli_dpl10/README.txt | 109 |
1 files changed, 108 insertions, 1 deletions
diff --git a/nuttx/configs/pirelli_dpl10/README.txt b/nuttx/configs/pirelli_dpl10/README.txt index 3b89005ed..57e0a609b 100644 --- a/nuttx/configs/pirelli_dpl10/README.txt +++ b/nuttx/configs/pirelli_dpl10/README.txt @@ -4,6 +4,20 @@ pirelli_dpl10 This directory contains the board support for Pirelli "Discus" DP-L10 phones. +Contents +======== + + * History + * Osmocom-BB Dependencies and Sercomm + * Loading NuttX + * Memory Map + * USB Serial Console + * NuttX OABI "buildroot" Toolchain + * Generic OABI Toolchain + * Configurations + +History +======= This port is a variant of the compal_e88 configuration with the small change of enabling the IrDA serial console: @@ -43,6 +57,8 @@ Osmocom-BB Dependencies and Sercomm Loading NuttX ============= + General + ------- The osmocom-bb wiki describes how to load NuttX. See http://bb.osmocom.org/trac/wiki/nuttx-bb for detailed information. The way that nuttx is loaded depends on the configuration (highram/compalram) @@ -54,6 +70,8 @@ Loading NuttX by talking to the ramloader) when having a ramloader(which can only load 64k). + The Pirelli USB Serial Interface + -------------------------------- The Pirelli phone is epecially easy to use because you just use the supplied USB cable. The phone already has an integrated Silabs CP210x USB-UART, which is supported by Linux. No need for a T191 cable. @@ -64,6 +82,8 @@ Loading NuttX # modprobe -v cp210x # echo "0489 e003" > /sys/bus/usb-serial/drivers/cp210x/new_id + Loading NuttX + ------------- Here's how I load NuttX into the phone: - Take out the battery @@ -78,6 +98,8 @@ Loading NuttX Memory Map ========= + Internal SRAM and ROM + --------------------- Calypso has 256KB of internal SRAM (0x800000-0x83ffff, although some of this is, I believe, actually ROM). Only this internal SRAM is used by these configurations. The internal SRAM is broken up into two logical @@ -85,12 +107,58 @@ Memory Map LRAM (rw) : ORIGIN = 0x00800000, LENGTH = 0x00020000 HRAM (rw) : ORIGIN = 0x00820000, LENGTH = 0x00020000 - IRAM (rw) : ORIGIN = 0x00830000, LENGTH = 0x00010000 Code can be loaded by the CalypsoBootloader only into HRAM beginning at address 0x00820000 and, hence, is restricted to 128KB (including then non-loaded sections: uninitialized data and for the NuttX heap). + + SDRAM + ----- + The Pirelli DP-L10 has 8MB of SDRAM beginning at address 0x01000000. + This DRAM appears to be initialized by the Pirelli ROM loader and is + ready for use with no further initialization required. + + NOR FLASH + --------- + There is non-volatile memory at address 0x00000000. The other Calypso + phones have NOR FLASH at this location. This needs more investigation + for the Pirelli phones. + +USB Serial Console +================== + + These configurations are set up to use the Calypso IrDA UART as the serial + port. On the Pirelli phone, this port connects to the built-in USB-serial + adaptor so that that NuttX serial console will be available on your PC as + a USB serial device. You should see something this using 'dmesg' when you + plug the Pirelli phone into a PC running Linux: + + usb 5-2: new full speed USB device number 3 using uhci_hcd + usb 5-2: New USB device found, idVendor=0489, idProduct=e003 + usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 + usb 5-2: Product: DP-L10 + usb 5-2: Manufacturer: Silicon Labs + usb 5-2: SerialNumber: 0001 + usbcore: registered new interface driver usbserial + USB Serial support registered for generic + usbcore: registered new interface driver usbserial_generic + usbserial: USB Serial Driver core + USB Serial support registered for cp210x + cp210x 5-2:1.0: cp210x converter detected + usb 5-2: reset full speed USB device number 3 using uhci_hcd + usb 5-2: cp210x converter now attached to ttyUSB0 + usbcore: registered new interface driver cp210x + cp210x: v0.09:Silicon Labs CP210x RS232 serial adaptor driver + + + Before you use this port to communicate with Nuttx, make sure that osmocon is + no longer running. Then start a serial terminal such as minicom on your host + PC. Configure the serial terminal so that it uses: + + Port: /dev/ttyUSB0 + Baud: 115,200 8N1 + JTAG and Alternative Serial Console =================================== @@ -206,3 +274,42 @@ Generic OABI Toolchain follows: CONFIG_ARM_TOOLCHAIN_GNU_OABI=y + +Configurations +============== + + nsh: + --- + Configures the NuttShell (nsh) located at apps/examples/nsh. + + NOTES: + + 1. This configuration uses the mconf-based configuration tool. To + change this configuration using that tool, you should: + + a. Build and install the kconfig-mconf tool. See nuttx/README.txt + and misc/tools/ + + b. Execute 'make menuconfig' in nuttx/ in order to start the + reconfiguration process. + + 2. This configuration enables the serial interface on IrDA UART which + will appears as a USB serial device. + + CONFIG_SERIAL_IRDA_CONSOLE=y + + 3. By default, this configuration uses the CodeSourcery toolchain + for Windows and builds under Cygwin (or probably MSYS). That + can easily be reconfigured, of course. + + CONFIG_HOST_LINUX=y : Builds under Windows + CONFIG_ARM_TOOLCHAIN_BUILDROOT=y : NuttX buildroot OABI toolchain + CONFIG_ARM_OABI_TOOLCHAIN=y + + You can switch to use the generic arm-elf- GCC toolchain by + setting: + + CONFIG_ARM_TOOLCHAIN_GNU_OABI=y : General arm-elf- toolchain + + 4. Support for builtin applications is enabled. A builtin 'poweroff' + command is supported. |