[U-Boot] U-BOOT DDR INITIALIZATION

2016-05-11 Thread yyurtcan
Hi, We are using P4080DS demo board. It has two 2GB Ram. We want to optimize/reduce both bootloader time. For bootloader we use u-boot. While we are working on u-boot, DDR is the one that takes more time. When we have checked u-boot DDR initialization code timeout is stated 400 milliseconds for

Re: [U-Boot] DDR initialization

2009-08-19 Thread Wolfgang Denk
Dear Magnus Lilja, In message <59b21cf20908182251v6e023327h42fceb2ffb86c...@mail.gmail.com> you wrote: > > It's often done in lowlevel_init.S, whether that's true for all > platforms and all boards I do not know. lowlevel_init.S is only used on ARM boards. No other architecture does it like tha

Re: [U-Boot] DDR initialization

2009-08-18 Thread Magnus Lilja
Hi 2009/8/19 alfred steele : > Hi all, > How do i go about the SDRAM/DDR initialization on my board. IS the > function partitoned  or is it just done in  a single place. > I would think that  board specifc dram_init is just a generic > function. There has to be a specific place where the SDRAM con

[U-Boot] DDR initialization

2009-08-18 Thread alfred steele
Hi all, How do i go about the SDRAM/DDR initialization on my board. IS the function partitoned or is it just done in a single place. I would think that board specifc dram_init is just a generic function. There has to be a specific place where the SDRAM controller is told about the DRR/SDRAM. Is