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xilinx: board: Add support to pick bootscr address from DT

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The bootscript is expected at a default address specific to each
platform.
When high speed memory like Programmable Logic Double Data Rate RAM
(PL DDR RAM) or Higher Bandwidth Memory RAM (HBM) is used the boot.scr
may be loaded at a different offset. The offset needs to be set through
setenv. Due to the default values in some cases the boot.scr is falling
in between the kernel partition.

The bootscript address or the bootscript offset is fetched directly from
the DT and updated in the environment making it easier for automated
flows.

Signed-off-by: Algapally Santosh Sagar <santoshsagar.algapally@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/fac7020b31e1f150b021d666f0d588579ea671ad.1693465140.git.michal.simek@amd.com
This commit is contained in:
Algapally Santosh Sagar 2023-08-31 08:59:06 +02:00 committed by Michal Simek
parent db5e349d3d
commit 5528f79778
1 changed files with 18 additions and 2 deletions
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20
board/xilinx/common/board.c
View file

@ -414,9 +414,25 @@ int board_late_init_xilinx(void)
if (!IS_ENABLED(CONFIG_MICROBLAZE)) {
ulong scriptaddr;
u64 bootscr_address;
u64 bootscr_offset;
scriptaddr = env_get_hex("scriptaddr", 0);
ret |= env_set_hex("scriptaddr", gd->ram_base + scriptaddr);
/* Fetch bootscr_address/bootscr_offset from DT and update */
if (!ofnode_read_bootscript_address(&bootscr_address,
&bootscr_offset)) {
if (bootscr_offset)
ret |= env_set_hex("scriptaddr",
gd->ram_base +
bootscr_offset);
else
ret |= env_set_hex("scriptaddr",
bootscr_address);
} else {
/* Update scriptaddr(bootscr offset) from env */
scriptaddr = env_get_hex("scriptaddr", 0);
ret |= env_set_hex("scriptaddr",
gd->ram_base + scriptaddr);
}
}
if (IS_ENABLED(CONFIG_ARCH_ZYNQ) || IS_ENABLED(CONFIG_MICROBLAZE))