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loading Zimage from SDCARD

Started by tamamontu in comp.arch.embedded14 years ago

I have a EP9307 based custom designed board. At present it is using the same setup as the development kit for EP9307. At present we use redboot...

I have a EP9307 based custom designed board. At present it is using the same setup as the development kit for EP9307. At present we use redboot to download zimage on to flash and then boot the kernel by loading it into sdram. I want to load the Zimage from SDCARD directly. I have modified first stage bootloader to load from EEprom, This in turn loads the second stage bootloader which initial...


Memory addressing

Started by Jane1 in comp.arch.embedded12 years ago 3 replies

Can anyone answer my question, please? In my Linux embeded device I have 4 SDRAM modules.( Each module is of 16 bit data bus. There are...

Can anyone answer my question, please? In my Linux embeded device I have 4 SDRAM modules.( Each module is of 16 bit data bus. There are 13 bit address bus + B0 and B1(bank select bits) and CS( chip select bit ) I need to find out how modules are addressed if it is like this 1st addres in module 1 2nd address in module 1 3rd address in module 1 4th address in module 1 5th a...


Loading kernel from SDCARD

Started by tamamontu in comp.arch.embedded14 years ago

I have a EP9307 based custom designed board. At present it is using the same setup as the development kit for EP9307. At present we use...

I have a EP9307 based custom designed board. At present it is using the same setup as the development kit for EP9307. At present we use redboot to download zimage on to flash and then boot the kernel by loading it into sdram. I want to load the Zimage from SDCARD directly. I have modified first stage bootloader to load from EEprom, This in turn loads the second stage bootloader which ini...


Development Board for ARM7 & ARM9

Started by Mike_rod in comp.arch.embedded15 years ago 3 replies

I require a development board with the folowing features: ARM7 or ARM9 chip. 2MB or higher NAND flash 2 MB or higher external SRAM (or...

I require a development board with the folowing features: ARM7 or ARM9 chip. 2MB or higher NAND flash 2 MB or higher external SRAM (or SDRAM) TFT LCD interface (and if possible an LCD module also) of 3.5 inch and higher phy dimensions, resolution 320(RGB) x 240, 16 bit color. onchip LCD controller (e.g. the ARM9 chips) will be preferred I am open to ICs of any make, (ATMEL, TI, NXP, et...


[Promo] Danville releases SHARC kit for $199

Started by Al Clark in comp.arch.embedded19 years ago 2 replies

Analog Devices, Altera and Danville Signal joined forces to create the ADDS-21261/Cyclone DSP & FPGA Evaluation Package featuring Danville's new...

Analog Devices, Altera and Danville Signal joined forces to create the ADDS-21261/Cyclone DSP & FPGA Evaluation Package featuring Danville's new dspstak 21261zx DSP Engine and dspstak c96k46 I/O Module. The dspstak 21261zx combines the power of a SHARC DSP and a Cyclone FPGA. With a supporting cast of SDRAM, Flash, EEProm, SPI, Programmable Clocks, USB and RS-232, the dspstak is great f...



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