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| author | Anup Patel <apatel@ventanamicro.com> | 2021-06-29 10:44:04 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-02-15 18:04:24 +0300 |
| commit | 10509405b2722d25389280b7d914579a16e2eb7e (patch) | |
| tree | ef1736a60178619f07a52b32203f8b32351b23a4 /lib | |
| parent | 5f56314618d4733c83bb80c65f9181e952f051ed (diff) | |
| download | opensbi-10509405b2722d25389280b7d914579a16e2eb7e.tar.xz | |
include: sbi: Introduce nascent_init() platform callback
We introduce nascent_init() platform callback which will allow
platforms to do very early initialization of platform specific
per-HART CSRs and per-HART devices.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sbi/sbi_init.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/sbi/sbi_init.c b/lib/sbi/sbi_init.c index 83043c5..27d03a7 100644 --- a/lib/sbi/sbi_init.c +++ b/lib/sbi/sbi_init.c @@ -494,6 +494,14 @@ void __noreturn sbi_init(struct sbi_scratch *scratch) if (next_mode_supported && atomic_xchg(&coldboot_lottery, 1) == 0) coldboot = TRUE; + /* + * Do platform specific nascent (very early) initialization so + * that platform can initialize platform specific per-HART CSRs + * or per-HART devices. + */ + if (sbi_platform_nascent_init(plat)) + sbi_hart_hang(); + if (coldboot) init_coldboot(scratch, hartid); else |