From: Krzysztof Michonski <michonskikrzysztof@xxxxxxxxx>
Extend the meson_sm driver by adding gxl structure and SECURITY_KEY
commands.
Signed-off-by: Krzysztof Michonski <michonskikrzysztof@xxxxxxxxx>
---
drivers/firmware/meson/meson_sm.c | 14 ++++++++++++++
include/linux/firmware/meson/meson_sm.h | 3 +++
2 files changed, 17 insertions(+)
diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index 29fbc818a573..b19489f759fc 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -54,6 +54,19 @@ struct meson_sm_chip gxbb_chip = {
},
};
+struct meson_sm_chip gxl_chip = {
+ .shmem_size = SZ_4K,
+ .cmd_shmem_in_base = 0x82000023,
+ .cmd_shmem_out_base = 0x82000024,
+ .cmd = {
+ CMD(SM_SECURITY_KEY_READ, 0x82000061),
+ CMD(SM_SECURITY_KEY_WRITE, 0x82000062),
+ CMD(SM_SECURITY_KEY_TELL, 0x82000063),
+ CMD(SM_GET_CHIP_ID, 0x82000044),
+ { /* sentinel */ },
+ },
+};
+
struct meson_sm_firmware {
const struct meson_sm_chip *chip;
void __iomem *sm_shmem_in_base;
@@ -269,6 +282,7 @@ static const struct attribute_group meson_sm_sysfs_attr_group = {
static const struct of_device_id meson_sm_ids[] = {
{ .compatible = "amlogic,meson-gxbb-sm", .data = &gxbb_chip },
+ { .compatible = "amlogic,meson-gxl-sm", .data = &gxl_chip },
{ /* sentinel */ },
};
diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h
index f98c20dd266e..9352d35c6e96 100644
--- a/include/linux/firmware/meson/meson_sm.h
+++ b/include/linux/firmware/meson/meson_sm.h
@@ -18,6 +18,9 @@ enum {
SM_EFUSE_WRITE,
SM_EFUSE_USER_MAX,
SM_GET_CHIP_ID,
+ SM_SECURITY_KEY_READ,
+ SM_SECURITY_KEY_WRITE,
+ SM_SECURITY_KEY_TELL,
};
struct meson_sm_firmware;
--
2.21.0
