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authorTong Ho <tong.ho@xilinx.com>2021-09-16 22:23:53 -0700
committerPeter Maydell <peter.maydell@linaro.org>2021-09-30 13:42:10 +0100
commit9e4aa1fafef624ee4ae6006497bed0cc112135d3 (patch)
tree8f6edcf9a54782c705ac6e43a38fd6211a14f0e8 /hw/nvram/Kconfig
parent68fbcc344ef6fb2dff0eb4cac0319ea7af010a7f (diff)
hw/nvram: Introduce Xilinx Versal eFuse device
This implements the Xilinx Versal eFuse, an one-time field-programmable non-volatile storage device. There is only one such device in the Xilinx Versal product family. This device has two separate mmio interfaces, a controller and a flatten readback. The controller provides interfaces for field-programming, configuration, control, and status. The flatten readback is a cache to provide a byte-accessible read-only interface to efficiently read efuse array. Co-authored-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Co-authored-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> Signed-off-by: Tong Ho <tong.ho@xilinx.com> Message-id: 20210917052400.1249094-3-tong.ho@xilinx.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/nvram/Kconfig')
-rw-r--r--hw/nvram/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/nvram/Kconfig b/hw/nvram/Kconfig
index 252251f366..6c2bb5afe3 100644
--- a/hw/nvram/Kconfig
+++ b/hw/nvram/Kconfig
@@ -22,3 +22,7 @@ config XLNX_EFUSE_CRC
config XLNX_EFUSE
bool
select XLNX_EFUSE_CRC
+
+config XLNX_EFUSE_VERSAL
+ bool
+ select XLNX_EFUSE