From: Bo Gan <ganboing@gmail.com>
To: opensbi@lists.infradead.org
Cc: nick.hu@sifive.com, linmin@eswincomputing.com,
gaohan@iscas.ac.cn, me@ziyao.cc
Subject: [PATCH v2 0/2] Fix eic770x warm reset
Date: Fri, 5 Jun 2026 00:57:06 -0700 [thread overview]
Message-ID: <20260605075708.96-1-ganboing@gmail.com> (raw)
Use the CEASE instruction as documented in the SoC datasheet to fix
the warm reset issue observed on my EIC7700/Hifive P550. Refer to
PATCH 2/2 for a more detailed description.
Signed-off-by: Bo Gan <ganboing@gmail.com>
---
Changes in v2:
- Clear the disableDCacheClockGate bit in EIC770X_CSR_FEAT0
See more detailed comments in function eic770x_hart_stop
---
Bo Gan (2):
include: utils/hsm: Add __noreturn attribute for sifive_cease
platform: generic: eswin: Add eic770x_hsm and fix warm reset issues
include/sbi_utils/hsm/fdt_hsm_sifive_inst.h | 3 +-
platform/generic/eswin/eic770x.c | 118 ++++++++++++++++++--
platform/generic/eswin/hfp.c | 4 +-
platform/generic/include/eswin/eic770x.h | 20 +++-
4 files changed, 128 insertions(+), 17 deletions(-)
--
2.34.1
--
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next reply other threads:[~2026-06-05 7:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-05 7:57 Bo Gan [this message]
2026-06-05 7:57 ` [PATCH v2 1/2] include: utils/hsm: Add __noreturn attribute for sifive_cease Bo Gan
2026-06-05 7:57 ` [PATCH v2 2/2] platform: generic: eswin: Add eic770x_hsm and fix warm reset issues Bo Gan
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