On Fri, 12 Mar 2021 at 06:37, Bin Meng <bmeng...@gmail.com> wrote: > > At present we decode simple bus <ranges> using the following assumption: > > - parent #address-cells 1 > - child #address-cells 1 > - child #size-cells 1 > > However this might not always be the case. > > Update to use fdt_addr_t and fdt_size_t in 'struct simple_bus_plat', and > use fdt_read_ranges() to correctly decode it according to the actual > parent and child #address-cells / #size-cells under a Kconfig option > CONFIG_SIMPLE_BUS_CORRECT_RANGE which can be turned on for any board > that needs it. > > Signed-off-by: Bin Meng <bmeng...@gmail.com> > > --- > > Changes in v2: > - include <asm/global_data.h> > - use a Kconfig option CONFIG_SIMPLE_BUS_CORRECT_RANGE to control the > new behavior for boards that want this > > drivers/core/Kconfig | 13 +++++++++++++ > drivers/core/simple-bus.c | 32 +++++++++++++++++++++++++------- > include/dm/simple_bus.h | 6 +++--- > 3 files changed, 41 insertions(+), 10 deletions(-)
Reviewed-by: Simon Glass <s...@chromium.org>
