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utils: fdt: Add fdt helper functions to parse PMU DT nodes

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The PMU DT node bindings are defined in docs/pmu_support.md
Add few fdt helper functions to parse the DT node and update the
event-counter mapping tables.

Reviewed-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Atish Patra
2021-07-10 09:18:12 -07:00
committed by Anup Patel
parent 13d40f21d5
commit ae72ec0915
4 changed files with 160 additions and 0 deletions
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2
lib/utils/fdt/fdt_fixup.c
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@@ -15,6 +15,7 @@
#include <sbi/sbi_scratch.h>
#include <sbi/sbi_string.h>
#include <sbi_utils/fdt/fdt_fixup.h>
#include <sbi_utils/fdt/fdt_pmu.h>
#include <sbi_utils/fdt/fdt_helper.h>
void fdt_cpu_fixup(void *fdt)
@@ -263,6 +264,7 @@ void fdt_fixups(void *fdt)
fdt_plic_fixup(fdt);
fdt_reserved_memory_fixup(fdt);
fdt_pmu_fixup(fdt);
}