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authorPraveen Teja Kundanala <praveen.teja.kundanala@amd.com>2024-02-24 11:45:10 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-03-07 20:21:53 +0000
commite34b943068d30f20db31f28100affdaaedc7efab (patch)
tree193c79765dd2a9e9a8e84bb3db2edf500f50d1f7 /include/linux/firmware
parentd28c853b32b868f25545ce0c08b4b6a17f5d8767 (diff)
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firmware: xilinx: Add ZynqMP efuse access API
Add zynqmp_pm_efuse_access API in the ZynqMP firmware for read/write access of efuse memory. Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com> Acked-by: Michal Simek <michal.simek@amd.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20240224114516.86365-6-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/firmware')
-rw-r--r--include/linux/firmware/xlnx-zynqmp.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 9a7e52739251..1a069a56c961 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -3,6 +3,7 @@
* Xilinx Zynq MPSoC Firmware layer
*
* Copyright (C) 2014-2021 Xilinx
+ * Copyright (C) 2022 - 2023, Advanced Micro Devices, Inc.
*
* Michal Simek <michal.simek@amd.com>
* Davorin Mista <davorin.mista@aggios.com>
@@ -171,6 +172,7 @@ enum pm_api_id {
PM_CLOCK_GETPARENT = 44,
PM_FPGA_READ = 46,
PM_SECURE_AES = 47,
+ PM_EFUSE_ACCESS = 53,
PM_FEATURE_CHECK = 63,
};
@@ -562,6 +564,7 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
const u32 qos,
const enum zynqmp_pm_request_ack ack);
int zynqmp_pm_aes_engine(const u64 address, u32 *out);
+int zynqmp_pm_efuse_access(const u64 address, u32 *out);
int zynqmp_pm_sha_hash(const u64 address, const u32 size, const u32 flags);
int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags);
int zynqmp_pm_fpga_get_status(u32 *value);
@@ -749,6 +752,11 @@ static inline int zynqmp_pm_aes_engine(const u64 address, u32 *out)
return -ENODEV;
}
+static inline int zynqmp_pm_efuse_access(const u64 address, u32 *out)
+{
+ return -ENODEV;
+}
+
static inline int zynqmp_pm_sha_hash(const u64 address, const u32 size,
const u32 flags)
{