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Message-ID: <1570874721-36077-2-git-send-email-xingyu.chen@amlogic.com>
Date: Sat, 12 Oct 2019 18:05:18 +0800
From: Xingyu Chen <xingyu.chen@...ogic.com>
To: Wim Van Sebroeck <wim@...ux-watchdog.org>,
Guenter Roeck <linux@...ck-us.net>,
Kevin Hilman <khilman@...libre.com>,
Neil Armstrong <narmstrong@...libre.com>
CC: Xingyu Chen <xingyu.chen@...ogic.com>,
Rob Herring <robh+dt@...nel.org>,
Jerome Brunet <jbrunet@...libre.com>,
Qianggui Song <qianggui.song@...ogic.com>,
Jianxin Pan <jianxin.pan@...ogic.com>,
Jian Hu <jian.hu@...ogic.com>,
<linux-watchdog@...r.kernel.org>,
<linux-amlogic@...ts.infradead.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH 1/4] firmware: meson_sm: add new SMC ID support for accessing secure watchdog
The new SMC ID is used to access secure registers by meson secure
watchdog driver.
Signed-off-by: Xingyu Chen <xingyu.chen@...ogic.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..46a44de 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_WATCHDOG_OPS, 0x82000086),
{ /* sentinel */ },
},
};
diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h
index 6669e2a..0934718 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_WATCHDOG_OPS,
};
struct meson_sm_firmware;
--
2.7.4
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