This mostly boils down to initialising the Cache Coherent Interconnect (CCI). We do this by looking in the device-tree for a CCI node, that way the same semihosting bootwrapper binary can be used on both the big.LITTLE models and on the A15 models which don't have a CCI.
[PATCH 1/3] bootwrapper: Allow for multiple clusters in boot CPU [PATCH 2/3] bootwrapper: Factor out parsing of fdt #address-cells [PATCH 3/3] bootwrapper: Initialise CCI device if found in the fdt boot.S | 2 +- semi_loader.c | 104 +++++++++++++++++++++++++++++++++++++++++----------- 2 files changed, 84 insertions(+), 22 deletions(-) _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
