diff mbox series

[7/9] soc/tegra: fuse: Add Tegra234 support

Message ID 20200716141856.544718-8-thierry.reding@gmail.com (mailing list archive)
State New, archived
Headers show
Series arm64: tegra: Initial Tegra234 VDK support | expand

Commit Message

Thierry Reding July 16, 2020, 2:18 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

Add support for FUSE block found on the Tegra234 SoC, which is largely
similar to the IP found on previous generations.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/soc/tegra/fuse/fuse-tegra.c    |  6 +++++-
 drivers/soc/tegra/fuse/fuse-tegra30.c  | 30 ++++++++++++++++++++++++++
 drivers/soc/tegra/fuse/fuse.h          | 10 ++++++++-
 drivers/soc/tegra/fuse/tegra-apbmisc.c |  1 +
 include/soc/tegra/fuse.h               |  1 +
 5 files changed, 46 insertions(+), 2 deletions(-)

Comments

Jon Hunter Sept. 7, 2020, 7:39 p.m. UTC | #1 
On 16/07/2020 15:18, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
> 
> Add support for FUSE block found on the Tegra234 SoC, which is largely
> similar to the IP found on previous generations.
> 
> Signed-off-by: Thierry Reding <treding@nvidia.com>
> ---
>  drivers/soc/tegra/fuse/fuse-tegra.c    |  6 +++++-
>  drivers/soc/tegra/fuse/fuse-tegra30.c  | 30 ++++++++++++++++++++++++++
>  drivers/soc/tegra/fuse/fuse.h          | 10 ++++++++-
>  drivers/soc/tegra/fuse/tegra-apbmisc.c |  1 +
>  include/soc/tegra/fuse.h               |  1 +
>  5 files changed, 46 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
> index 7e6b6ee59120..94b60a692b51 100644
> --- a/drivers/soc/tegra/fuse/fuse-tegra.c
> +++ b/drivers/soc/tegra/fuse/fuse-tegra.c
> @@ -49,6 +49,9 @@ static struct tegra_fuse *fuse = &(struct tegra_fuse) {
>  };
>  
>  static const struct of_device_id tegra_fuse_match[] = {
> +#ifdef CONFIG_ARCH_TEGRA_234_SOC
> +	{ .compatible = "nvidia,tegra234-efuse", .data = &tegra234_fuse_soc },
> +#endif
>  #ifdef CONFIG_ARCH_TEGRA_194_SOC
>  	{ .compatible = "nvidia,tegra194-efuse", .data = &tegra194_fuse_soc },
>  #endif
> @@ -326,7 +329,8 @@ const struct attribute_group tegra_soc_attr_group = {
>  	.attrs = tegra_soc_attr,
>  };
>  
> -#ifdef CONFIG_ARCH_TEGRA_194_SOC
> +#if IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
> +    IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
>  static ssize_t platform_show(struct device *dev, struct device_attribute *attr,
>  			     char *buf)
>  {
> diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c
> index 85accef41fa1..9ea7f0168457 100644
> --- a/drivers/soc/tegra/fuse/fuse-tegra30.c
> +++ b/drivers/soc/tegra/fuse/fuse-tegra30.c
> @@ -356,3 +356,33 @@ const struct tegra_fuse_soc tegra194_fuse_soc = {
>  	.soc_attr_group = &tegra194_soc_attr_group,
>  };
>  #endif
> +
> +#if defined(CONFIG_ARCH_TEGRA_234_SOC)
> +static const struct nvmem_cell_lookup tegra234_fuse_lookups[] = {
> +	{
> +		.nvmem_name = "fuse",
> +		.cell_name = "xusb-pad-calibration",
> +		.dev_id = "3520000.padctl",
> +		.con_id = "calibration",
> +	}, {
> +		.nvmem_name = "fuse",
> +		.cell_name = "xusb-pad-calibration-ext",
> +		.dev_id = "3520000.padctl",
> +		.con_id = "calibration-ext",
> +	},
> +};
> +
> +static const struct tegra_fuse_info tegra234_fuse_info = {
> +	.read = tegra30_fuse_read,
> +	.size = 0x300,
> +	.spare = 0x280,
> +};
> +
> +const struct tegra_fuse_soc tegra234_fuse_soc = {
> +	.init = tegra30_fuse_init,
> +	.info = &tegra234_fuse_info,
> +	.lookups = tegra234_fuse_lookups,
> +	.num_lookups = ARRAY_SIZE(tegra234_fuse_lookups),
> +	.soc_attr_group = &tegra194_soc_attr_group,
> +};
> +#endif
> diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h
> index 9d4fc315a007..e057a58e2060 100644
> --- a/drivers/soc/tegra/fuse/fuse.h
> +++ b/drivers/soc/tegra/fuse/fuse.h
> @@ -115,9 +115,17 @@ extern const struct tegra_fuse_soc tegra210_fuse_soc;
>  extern const struct tegra_fuse_soc tegra186_fuse_soc;
>  #endif
>  
> +#if IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
> +    IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
> +extern const struct attribute_group tegra194_soc_attr_group;
> +#endif
> +
>  #ifdef CONFIG_ARCH_TEGRA_194_SOC
>  extern const struct tegra_fuse_soc tegra194_fuse_soc;
> -extern const struct attribute_group tegra194_soc_attr_group;
> +#endif
> +
> +#ifdef CONFIG_ARCH_TEGRA_234_SOC
> +extern const struct tegra_fuse_soc tegra234_fuse_soc;
>  #endif
>  
>  #endif
> diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c
> index be6b7fc169ca..6aeac5ea2d70 100644
> --- a/drivers/soc/tegra/fuse/tegra-apbmisc.c
> +++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c
> @@ -56,6 +56,7 @@ bool tegra_is_silicon(void)
>  {
>  	switch (tegra_get_chip_id()) {
>  	case TEGRA194:
> +	case TEGRA234:
>  		if (tegra_get_platform() == 0)
>  			return true;
>  
> diff --git a/include/soc/tegra/fuse.h b/include/soc/tegra/fuse.h
> index a9db917a1d06..c702bd2911bc 100644
> --- a/include/soc/tegra/fuse.h
> +++ b/include/soc/tegra/fuse.h
> @@ -14,6 +14,7 @@
>  #define TEGRA210	0x21
>  #define TEGRA186	0x18
>  #define TEGRA194	0x19
> +#define TEGRA234	0x23
>  
>  #define TEGRA_FUSE_SKU_CALIB_0	0xf0
>  #define TEGRA30_FUSE_SATA_CALIB	0x124
> 


Reviewed-by: Jon Hunter <jonathanh@nvidia.com>

Cheers
Jon
diff mbox series

Patch

diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index 7e6b6ee59120..94b60a692b51 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -49,6 +49,9 @@  static struct tegra_fuse *fuse = &(struct tegra_fuse) {
 };
 
 static const struct of_device_id tegra_fuse_match[] = {
+#ifdef CONFIG_ARCH_TEGRA_234_SOC
+	{ .compatible = "nvidia,tegra234-efuse", .data = &tegra234_fuse_soc },
+#endif
 #ifdef CONFIG_ARCH_TEGRA_194_SOC
 	{ .compatible = "nvidia,tegra194-efuse", .data = &tegra194_fuse_soc },
 #endif
@@ -326,7 +329,8 @@  const struct attribute_group tegra_soc_attr_group = {
 	.attrs = tegra_soc_attr,
 };
 
-#ifdef CONFIG_ARCH_TEGRA_194_SOC
+#if IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
+    IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
 static ssize_t platform_show(struct device *dev, struct device_attribute *attr,
 			     char *buf)
 {
diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c
index 85accef41fa1..9ea7f0168457 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra30.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra30.c
@@ -356,3 +356,33 @@  const struct tegra_fuse_soc tegra194_fuse_soc = {
 	.soc_attr_group = &tegra194_soc_attr_group,
 };
 #endif
+
+#if defined(CONFIG_ARCH_TEGRA_234_SOC)
+static const struct nvmem_cell_lookup tegra234_fuse_lookups[] = {
+	{
+		.nvmem_name = "fuse",
+		.cell_name = "xusb-pad-calibration",
+		.dev_id = "3520000.padctl",
+		.con_id = "calibration",
+	}, {
+		.nvmem_name = "fuse",
+		.cell_name = "xusb-pad-calibration-ext",
+		.dev_id = "3520000.padctl",
+		.con_id = "calibration-ext",
+	},
+};
+
+static const struct tegra_fuse_info tegra234_fuse_info = {
+	.read = tegra30_fuse_read,
+	.size = 0x300,
+	.spare = 0x280,
+};
+
+const struct tegra_fuse_soc tegra234_fuse_soc = {
+	.init = tegra30_fuse_init,
+	.info = &tegra234_fuse_info,
+	.lookups = tegra234_fuse_lookups,
+	.num_lookups = ARRAY_SIZE(tegra234_fuse_lookups),
+	.soc_attr_group = &tegra194_soc_attr_group,
+};
+#endif
diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h
index 9d4fc315a007..e057a58e2060 100644
--- a/drivers/soc/tegra/fuse/fuse.h
+++ b/drivers/soc/tegra/fuse/fuse.h
@@ -115,9 +115,17 @@  extern const struct tegra_fuse_soc tegra210_fuse_soc;
 extern const struct tegra_fuse_soc tegra186_fuse_soc;
 #endif
 
+#if IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
+    IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
+extern const struct attribute_group tegra194_soc_attr_group;
+#endif
+
 #ifdef CONFIG_ARCH_TEGRA_194_SOC
 extern const struct tegra_fuse_soc tegra194_fuse_soc;
-extern const struct attribute_group tegra194_soc_attr_group;
+#endif
+
+#ifdef CONFIG_ARCH_TEGRA_234_SOC
+extern const struct tegra_fuse_soc tegra234_fuse_soc;
 #endif
 
 #endif
diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c
index be6b7fc169ca..6aeac5ea2d70 100644
--- a/drivers/soc/tegra/fuse/tegra-apbmisc.c
+++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c
@@ -56,6 +56,7 @@  bool tegra_is_silicon(void)
 {
 	switch (tegra_get_chip_id()) {
 	case TEGRA194:
+	case TEGRA234:
 		if (tegra_get_platform() == 0)
 			return true;
 
diff --git a/include/soc/tegra/fuse.h b/include/soc/tegra/fuse.h
index a9db917a1d06..c702bd2911bc 100644
--- a/include/soc/tegra/fuse.h
+++ b/include/soc/tegra/fuse.h
@@ -14,6 +14,7 @@ 
 #define TEGRA210	0x21
 #define TEGRA186	0x18
 #define TEGRA194	0x19
+#define TEGRA234	0x23
 
 #define TEGRA_FUSE_SKU_CALIB_0	0xf0
 #define TEGRA30_FUSE_SATA_CALIB	0x124