From: Xingyu Chen <xingyu.chen@amlogic.com>
To: Wim Van Sebroeck <wim@linux-watchdog.org>,
Guenter Roeck <linux@roeck-us.net>,
Kevin Hilman <khilman@baylibre.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Rob Herring <robh+dt@kernel.org>
Cc: Qianggui Song <qianggui.song@amlogic.com>,
linux-watchdog@vger.kernel.org,
Jianxin Pan <jianxin.pan@amlogic.com>,
linux-kernel@vger.kernel.org, Jian Hu <jian.hu@amlogic.com>,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org,
Xingyu Chen <xingyu.chen@amlogic.com>,
Jerome Brunet <jbrunet@baylibre.com>
Subject: [PATCH v4 1/2] firmware: meson_sm: add new SMC ID support for accessing secure watchdog
Date: Mon, 25 Nov 2019 20:33:37 +0800 [thread overview]
Message-ID: <1574685218-31164-2-git-send-email-xingyu.chen@amlogic.com> (raw)
In-Reply-To: <1574685218-31164-1-git-send-email-xingyu.chen@amlogic.com>
The new SMC ID is used to access secure registers by meson secure
watchdog driver.
Signed-off-by: Xingyu Chen <xingyu.chen@amlogic.com>
---
drivers/firmware/meson/meson_sm.c | 1 +
include/linux/firmware/meson/meson_sm.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index 1d5b4d7..8cdd405 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -44,6 +44,7 @@ static const struct meson_sm_chip gxbb_chip = {
CMD(SM_EFUSE_WRITE, 0x82000031),
CMD(SM_EFUSE_USER_MAX, 0x82000033),
CMD(SM_GET_CHIP_ID, 0x82000044),
+ CMD(SM_A1_WATCHDOG_OPS, 0x82000086),
{ /* sentinel */ },
},
};
diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h
index 6669e2a..9ef1524 100644
--- a/include/linux/firmware/meson/meson_sm.h
+++ b/include/linux/firmware/meson/meson_sm.h
@@ -12,6 +12,7 @@ enum {
SM_EFUSE_WRITE,
SM_EFUSE_USER_MAX,
SM_GET_CHIP_ID,
+ SM_A1_WATCHDOG_OPS,
};
struct meson_sm_firmware;
--
2.7.4
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next prev parent reply other threads:[~2019-11-25 12:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-25 12:33 [PATCH v4 0/2] add meson secure watchdog driver Xingyu Chen
2019-11-25 12:33 ` Xingyu Chen [this message]
2019-11-25 12:33 ` [PATCH v4 2/2] watchdog: " Xingyu Chen
2019-12-09 14:44 ` Guenter Roeck
2019-12-10 5:49 ` Xingyu Chen
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