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fix(xilinx): update dtb when dtb address and tf-a ddr flow is used

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Memory reservation in dtb will be done only when TF-A runs from
ddr and dtb load address is provided.
Otherwise prepare_dtb will simply return.
Empty definition of prepare_dtb is removed.

Signed-off-by: Amit Nagal <amit.nagal@amd.com>
Change-Id: Ie8a3ec51d60a7389831cfe6a112f722777930623
This commit is contained in:
Amit Nagal 2023-08-29 02:44:59 -12:00 • committed by amit nagal
parent 56afab73a8
commit fdf8f929df
1 changed files with 8 additions and 7 deletions
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15
plat/xilinx/common/plat_fdt.c
View file

@ -12,11 +12,17 @@
#include <plat_fdt.h>
#include <platform_def.h>
#if (defined(XILINX_OF_BOARD_DTB_ADDR) && !IS_TFA_IN_OCM(BL31_BASE))
void prepare_dtb(void)
{
void *dtb = (void *)XILINX_OF_BOARD_DTB_ADDR;
void *dtb;
int ret;
#if !defined(XILINX_OF_BOARD_DTB_ADDR)
return;
#else
dtb = (void *)XILINX_OF_BOARD_DTB_ADDR;
#endif
if (IS_TFA_IN_OCM(BL31_BASE))
return;
/* Return if no device tree is detected */
if (fdt_check_header(dtb) != 0) {
@ -45,8 +51,3 @@ void prepare_dtb(void)
clean_dcache_range((uintptr_t)dtb, fdt_blob_size(dtb));
INFO("Changed device tree to advertise PSCI and reserved memories.\n");
}
#else
void prepare_dtb(void)
{
}
#endif