Tegra234 DLA (Deep Learning Accelerator) driver requires access to
opt_dla_disable fuse to correctly identify internal or production
boards.
Add nvmem cell "opt-dla-disable" for Tegra234 SOC, this allows DLA
driver to read opt_dla_disable fuse via nvmem interface.
Signed-off-by: Kartik <kkartik@xxxxxxxxxx>
---
drivers/soc/tegra/fuse/fuse-tegra30.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c
index 932a03c64534a..0ee907af655b3 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra30.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra30.c
@@ -630,6 +630,12 @@ static const struct nvmem_cell_info tegra234_fuse_cells[] = {
.bytes = 4,
.bit_offset = 0,
.nbits = 32,
+ }, {
+ .name = "opt-dla-disable",
+ .offset = 0x3f0,
+ .bytes = 4,
+ .bit_offset = 0,
+ .nbits = 32,
},
};
@@ -644,6 +650,16 @@ static const struct nvmem_cell_lookup tegra234_fuse_lookups[] = {
.cell_name = "xusb-pad-calibration-ext",
.dev_id = "3520000.padctl",
.con_id = "calibration-ext",
+ }, {
+ .nvmem_name = "fuse",
+ .cell_name = "opt-dla-disable",
+ .dev_id = "15880000.nvdla0",
+ .con_id = "dla-disable",
+ }, {
+ .nvmem_name = "fuse",
+ .cell_name = "opt-dla-disable",
+ .dev_id = "158c0000.nvdla1",
+ .con_id = "dla-disable",
},
};
--
2.17.1
