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platform: sifive: fu540: Expand FDT size before any patching

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We should expand the FDT size before any patching, otherwise it's
possible the "status" fix up might fail due to insufficient space.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Bin Meng
2019-08-08 00:20:23 -07:00
committed by Anup Patel
parent c1b9dd3ab5
commit 446b6f30a4
1 changed files with 6 additions and 5 deletions
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11
platform/sifive/fu540/platform.c
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@@ -62,6 +62,12 @@ static void fu540_modify_dt(void *fdt)
char cpu_node[32] = "";
const char *mmu_type;
size = fdt_totalsize(fdt);
err = fdt_open_into(fdt, fdt, size + 256);
if (err < 0)
sbi_printf(
"Device Tree can't be expanded to accmodate new node");
for (i = 0; i < FU540_HART_COUNT; i++) {
sbi_sprintf(cpu_node, "/cpus/cpu@%d", i);
cpu_offset = fdt_path_offset(fdt, cpu_node);
@@ -74,11 +80,6 @@ static void fu540_modify_dt(void *fdt)
"disabled");
memset(cpu_node, 0, sizeof(cpu_node));
}
size = fdt_totalsize(fdt);
err = fdt_open_into(fdt, fdt, size + 256);
if (err < 0)
sbi_printf(
"Device Tree can't be expanded to accmodate new node");
chosen_offset = fdt_path_offset(fdt, "/chosen");
fdt_setprop_string(fdt, chosen_offset, "stdout-path",