From: Ashok Reddy Soma ashok.reddy.soma@xilinx.com
FDT memory is aligned by 4KB. This is hardcoded in common/board_f.c. Add Kconfig option, assign default value of 0x1000 and enable option to change this value.
Signed-off-by: Ashok Reddy Soma ashok.reddy.soma@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
common/board_f.c | 3 ++- dts/Kconfig | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/common/board_f.c b/common/board_f.c index 82a164752aa3..928874e03555 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -546,7 +546,8 @@ static int reserve_fdt(void) * will be relocated with other data. */ if (gd->fdt_blob) { - gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); + gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + + CONFIG_FDT_MEM_ALIGN_SIZE, 32);
gd->start_addr_sp -= gd->fdt_size; gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size); diff --git a/dts/Kconfig b/dts/Kconfig index 046a54a17366..696c0b71afaf 100644 --- a/dts/Kconfig +++ b/dts/Kconfig @@ -121,6 +121,13 @@ config DEFAULT_DEVICE_TREE It can be overridden from the command line: $ make DEVICE_TREE=<device-tree-name>
+config FDT_MEM_ALIGN_SIZE + hex "FDT memory alignment size" + default 0x1000 + help + This option is used to set the default alignment when reserving memory + for fdt. + config OF_LIST string "List of device tree files to include for DT control" depends on SPL_LOAD_FIT || MULTI_DTB_FIT