[PATCH 6/6] soc/tegra: fuse: Add support for Tegra241

From: Kartik
Date: Fri Aug 18 2023 - 05:32:39 EST


Add support for Tegra241 which use ACPI boot.

Signed-off-by: Kartik <kkartik@xxxxxxxxxx>
---
drivers/soc/tegra/Kconfig | 5 +++++
drivers/soc/tegra/fuse/fuse-tegra.c | 5 +++++
drivers/soc/tegra/fuse/fuse-tegra30.c | 25 +++++++++++++++++++++++++
drivers/soc/tegra/fuse/fuse.h | 4 ++++
drivers/soc/tegra/fuse/tegra-apbmisc.c | 1 +
include/soc/tegra/fuse.h | 1 +
6 files changed, 41 insertions(+)

diff --git a/drivers/soc/tegra/Kconfig b/drivers/soc/tegra/Kconfig
index 6f3098822969..5f5d9d663fef 100644
--- a/drivers/soc/tegra/Kconfig
+++ b/drivers/soc/tegra/Kconfig
@@ -133,6 +133,11 @@ config ARCH_TEGRA_234_SOC
help
Enable support for the NVIDIA Tegra234 SoC.

+config ARCH_TEGRA_241_SOC
+ bool "NVIDIA Tegra241 SoC"
+ help
+ Enable support for the NVIDIA Tegra241 SoC.
+
endif
endif

diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index 9c5596d968a2..8750450438c3 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -203,6 +203,11 @@ static int tegra_fuse_acpi_probe(struct platform_device *pdev)
case TEGRA234:
fuse->soc = &tegra234_fuse_soc;
break;
+#endif
+#if defined(CONFIG_ARCH_TEGRA_241_SOC)
+ case TEGRA241:
+ fuse->soc = &tegra241_fuse_soc;
+ break;
#endif
default:
dev_err(&pdev->dev, "Unsupported SoC: %02x\n", chip);
diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c
index e94d46372a63..757bcf5ee82e 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra30.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra30.c
@@ -678,3 +678,28 @@ const struct tegra_fuse_soc tegra234_fuse_soc = {
.clk_suspend_on = false,
};
#endif
+
+#if defined(CONFIG_ARCH_TEGRA_241_SOC)
+static const struct tegra_fuse_info tegra241_fuse_info = {
+ .read = tegra30_fuse_read,
+ .size = 0x16008,
+ .spare = 0xcf0,
+};
+
+static const struct nvmem_keepout tegra241_fuse_keepouts[] = {
+ { .start = 0xc, .end = 0x1600c }
+};
+
+const struct tegra_fuse_soc tegra241_fuse_soc = {
+ .init = tegra30_fuse_init,
+ .info = &tegra241_fuse_info,
+ .lookups = NULL,
+ .num_lookups = 0,
+ .cells = NULL,
+ .num_cells = 0,
+ .keepouts = tegra241_fuse_keepouts,
+ .num_keepouts = ARRAY_SIZE(tegra241_fuse_keepouts),
+ .soc_attr_group = &tegra194_soc_attr_group,
+ .clk_suspend_on = false,
+};
+#endif
diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h
index a41e9f85281a..f3b705327c20 100644
--- a/drivers/soc/tegra/fuse/fuse.h
+++ b/drivers/soc/tegra/fuse/fuse.h
@@ -136,4 +136,8 @@ extern const struct tegra_fuse_soc tegra194_fuse_soc;
extern const struct tegra_fuse_soc tegra234_fuse_soc;
#endif

+#ifdef CONFIG_ARCH_TEGRA_241_SOC
+extern const struct tegra_fuse_soc tegra241_fuse_soc;
+#endif
+
#endif
diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c
index 79db12076d56..f830aaf3d92d 100644
--- a/drivers/soc/tegra/fuse/tegra-apbmisc.c
+++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c
@@ -63,6 +63,7 @@ bool tegra_is_silicon(void)
switch (tegra_get_chip_id()) {
case TEGRA194:
case TEGRA234:
+ case TEGRA241:
case TEGRA264:
if (tegra_get_platform() == 0)
return true;
diff --git a/include/soc/tegra/fuse.h b/include/soc/tegra/fuse.h
index 3a513be50243..8f421b9f7585 100644
--- a/include/soc/tegra/fuse.h
+++ b/include/soc/tegra/fuse.h
@@ -17,6 +17,7 @@
#define TEGRA186 0x18
#define TEGRA194 0x19
#define TEGRA234 0x23
+#define TEGRA241 0x24
#define TEGRA264 0x26

#define TEGRA_FUSE_SKU_CALIB_0 0xf0
--
2.34.1