On Aug 4, 2011, at 6:03 PM, Timur Tabi wrote: > Introduce the CONFIG_SYS_CCSRBAR_PHYS_HIGH and CONFIG_SYS_CCSRBAR_PHYS_LOW > macros, which contain the high and low portions of CONFIG_SYS_CCSRBAR_PHYS. > This is necessary for the assembly-language code that relocates CCSR, since > the assembler does not understand 64-bit constants. > > CONFIG_SYS_CCSRBAR_PHYS is automatically defined from the > CONFIG_SYS_CCSRBAR_PHYS_HIGH and CONFIG_SYS_CCSRBAR_PHYS_LOW macros, so it > should not be defined in a board header file. Similarly, > CONFIG_SYS_CCSRBAR_DEFAULT is defined for each SOC in config_mpc85xx.h, so > it should also not be defined in the board header file. > > CONFIG_SYS_CCSR_DO_NOT_RELOCATE is a "short-cut" macro that guarantees that > CONFIG_SYS_CCSRBAR_PHYS is set to the same value as > CONFIG_SYS_CCSRBAR_DEFAULT, > and so CCSR will not be relocated. > > Since CONFIG_SYS_CCSRBAR_DEFAULT is locked to a fixed value, multi-stage > U-Boot > builds (e.g. NAND) are required to relocate CCSR only during the last stage > (i.e. the "real" U-Boot). All other stages should define > CONFIG_SYS_CCSR_DO_NOT_RELOCATE to ensure that CCSR is not relocated. > > README is updated with descriptions of all the CONFIG_SYS_CCSRBAR_xxx macros. > > Signed-off-by: Timur Tabi <ti...@freescale.com> > ---
applied to 85xx next - k _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
