David Daney wrote: > Marc St-Jean wrote: > > > > Sergei Shtylyov wrote: > >> Hello. > >> > >> Marc St-Jean wrote: > >> > >> > [PATCH 2/5] mips: PMC MSP71xx mips common > >> > >> > Patch to add mips common support for the PMC-Sierra > >> > MSP71xx devices. > >> > >> > These 5 patches along with the previously posted serial patch > >> > will boot the PMC-Sierra MSP7120 Residential Gateway board. > >> > >> > Signed-off-by: Marc St-Jean <Marc_St-Jean@xxxxxxxxxxxxxx> > >> > >> > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > >> > index 5da6b0d..d512389 100644 > >> > --- a/arch/mips/Kconfig > >> > +++ b/arch/mips/Kconfig > >> [...] > >> > >> > +menu "Options for PMC-Sierra MSP chipsets" > >> > + depends on PMC_MSP > >> > + > >> > +config PMC_MSP_EMBEDDED_ROOTFS > >> > + bool "Root filesystem embedded in kernel image" > >> > + select MTD > >> > + select MTD_BLOCK > >> > + select MTD_PMC_MSP_RAMROOT > >> > + select MTD_RAM > >> > + > >> > >> Hm, why not just use initramfs? > > > > I investigated this as part of an earlier thread. Initramfs > > is not a read-only "ROM" fs but a compressed writable fs. > > Once expanded it will take more memory. > > > > To lower memory usage for embedded usage of our devices we've > > added a method to embedded cramfs/squashfs file systems into > > the kernel image. > > > > Why not just run the cramfs/squashfs on a standard mdtblock device? We and our customers do that as well but it's handy to have a single RAM-based image to download during early development. MArc > > > I've made sure it was unobtrusive and that no linker script > > changes, etc. were required. > > > > >
