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authorCarlo Caione <carlo@endlessm.com>2016-08-27 16:43:43 +0300
committerKevin Hilman <khilman@baylibre.com>2016-09-02 00:23:39 +0300
commit2c4ddb215521d5dfb30f72123ef966ac6bdd16d7 (patch)
tree4ea8f9160358416781a64275ba47d9e3113b3db4 /include/linux/firmware
parent6edf27ee25892571d275e2b3945d1b48c68d0476 (diff)
downloadlinux-2c4ddb215521d5dfb30f72123ef966ac6bdd16d7.tar.xz
firmware: Amlogic: Add secure monitor driver
Introduce a driver to provide calls into secure monitor mode. In the Amlogic SoCs these calls are used for multiple reasons: access to NVMEM, set USB boot, enable JTAG, etc... Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Carlo Caione <carlo@endlessm.com> [khilman: add in SZ_4K cleanup] Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Diffstat (limited to 'include/linux/firmware')
-rw-r--r--include/linux/firmware/meson/meson_sm.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h
new file mode 100644
index 000000000000..8e953c6f394a
--- /dev/null
+++ b/include/linux/firmware/meson/meson_sm.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2016 Endless Mobile, Inc.
+ * Author: Carlo Caione <carlo@endlessm.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _MESON_SM_FW_H_
+#define _MESON_SM_FW_H_
+
+enum {
+ SM_EFUSE_READ,
+ SM_EFUSE_WRITE,
+ SM_EFUSE_USER_MAX,
+};
+
+struct meson_sm_firmware;
+
+int meson_sm_call(unsigned int cmd_index, u32 *ret, u32 arg0, u32 arg1,
+ u32 arg2, u32 arg3, u32 arg4);
+int meson_sm_call_write(void *buffer, unsigned int b_size, unsigned int cmd_index,
+ u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4);
+int meson_sm_call_read(void *buffer, unsigned int cmd_index, u32 arg0, u32 arg1,
+ u32 arg2, u32 arg3, u32 arg4);
+
+#endif /* _MESON_SM_FW_H_ */