ColdFire/68K Microcontrollers and Processorsのトピック5475-Code FLASH boot https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/5475-Code-FLASH-boot/m-p/143811#M2767 <HTML><HEAD></HEAD><BODY><DIV> </DIV><DIV>Hi</DIV><DIV>I using the MCF5475EVB 16MB code Flash, 2MB boot flash.&nbsp; I want to store my code in "code Flash and execute out of RAM.&nbsp; My current attempts have been unsuccessful.</DIV><DIV>Briefly some of what I have done to resolve this issue is:</DIV><DIV>First write a program that is store in boot flash, copies itself over into external ram and executes.&nbsp; Works no problem.</DIV><DIV>Next I have tried to use the bootloader LOSH form logic PD with the above program, with the following mods:<BR />1.&nbsp; Reset the Flash address to 0xE0000000, and use the correct RAM offset for losh.&nbsp; I then recompile/link.<BR />I attempt to upload the image to losh, but receive the following error:<BR />error: load: general load failure (bad cnt 81 at rec 1)</DIV><DIV>2.&nbsp; I have also tried writing a simple program that just jumps from boot flash to code flash where the program that copies to RAM and then executes is.<BR />This does not seem to happen.&nbsp; I am trying to get my debugger to halt on the jmp (that has not been successful) so I cannot be sure it is hardcoded.</DIV><DIV>&nbsp;</DIV><DIV>Additional info:</DIV><DIV>&nbsp;</DIV><DIV>I'm using MQX and the MCF5475EVB (2MB boot, 16MB code flash, 64MB RAM)<BR />Any help would be greatly appreciated.</DIV></BODY></HTML> Mon, 29 Jan 2007 09:37:42 GMT Marreshe 2007-01-29T09:37:42Z 5475-Code FLASH boot https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/5475-Code-FLASH-boot/m-p/143811#M2767 <HTML><HEAD></HEAD><BODY><DIV> </DIV><DIV>Hi</DIV><DIV>I using the MCF5475EVB 16MB code Flash, 2MB boot flash.&nbsp; I want to store my code in "code Flash and execute out of RAM.&nbsp; My current attempts have been unsuccessful.</DIV><DIV>Briefly some of what I have done to resolve this issue is:</DIV><DIV>First write a program that is store in boot flash, copies itself over into external ram and executes.&nbsp; Works no problem.</DIV><DIV>Next I have tried to use the bootloader LOSH form logic PD with the above program, with the following mods:<BR />1.&nbsp; Reset the Flash address to 0xE0000000, and use the correct RAM offset for losh.&nbsp; I then recompile/link.<BR />I attempt to upload the image to losh, but receive the following error:<BR />error: load: general load failure (bad cnt 81 at rec 1)</DIV><DIV>2.&nbsp; I have also tried writing a simple program that just jumps from boot flash to code flash where the program that copies to RAM and then executes is.<BR />This does not seem to happen.&nbsp; I am trying to get my debugger to halt on the jmp (that has not been successful) so I cannot be sure it is hardcoded.</DIV><DIV>&nbsp;</DIV><DIV>Additional info:</DIV><DIV>&nbsp;</DIV><DIV>I'm using MQX and the MCF5475EVB (2MB boot, 16MB code flash, 64MB RAM)<BR />Any help would be greatly appreciated.</DIV></BODY></HTML> Mon, 29 Jan 2007 09:37:42 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/5475-Code-FLASH-boot/m-p/143811#M2767 Marreshe 2007-01-29T09:37:42Z Re: 5475-Code FLASH boot https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/5475-Code-FLASH-boot/m-p/143812#M2768 <HTML><HEAD></HEAD><BODY><DIV>This is in response to my own question.&nbsp; IF anyone else has this problem, check the BSP from the RTOS company</DIV></BODY></HTML> Thu, 01 Feb 2007 04:05:17 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/5475-Code-FLASH-boot/m-p/143812#M2768 Marreshe 2007-02-01T04:05:17Z