[PATCH 0/2] soc/tegra: fuse: Support Tegra210B01 Speedos

[PATCH 0/2] soc/tegra: fuse: Support Tegra210B01 Speedos

[Aaron Kling via B4 Relay]

This series adds support for the b01 fuse revision, then adds speedo
support for known Tegra210B01 sku's.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
Aaron Kling (2):
      soc/tegra: fuse: Support revision B01
      soc/tegra: fuse: speedo-tegra210: Support revision B01

 drivers/soc/tegra/fuse/fuse-tegra.c      |  1 +
 drivers/soc/tegra/fuse/speedo-tegra210.c | 22 ++++++++++++++--
 drivers/soc/tegra/fuse/tegra-apbmisc.c   | 45 ++++++++++++++++++--------------
 include/soc/tegra/fuse.h                 |  1 +
 4 files changed, 47 insertions(+), 22 deletions(-)
---
base-commit: 1a1757b76427f6201bfe0bf1bea9f7574f332a93
change-id: 20260714-t210b01-speedo-07f8cd3b3aa3

Best regards,
-- 
Aaron Kling <webgeek1234@gmail.com>

[PATCH 1/2] soc/tegra: fuse: Support revision B01

[Aaron Kling via B4 Relay]

From: Aaron Kling <webgeek1234@gmail.com>

This is used by Tegra210B01

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
 drivers/soc/tegra/fuse/fuse-tegra.c    |  1 +
 drivers/soc/tegra/fuse/tegra-apbmisc.c | 45 +++++++++++++++++++---------------
 include/soc/tegra/fuse.h               |  1 +
 3 files changed, 27 insertions(+), 20 deletions(-)

diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index 78b054d43a422..a37642dc92c61 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -34,6 +34,7 @@ static const char *tegra_revision_name[TEGRA_REVISION_MAX] = {
 	[TEGRA_REVISION_A03]     = "A03",
 	[TEGRA_REVISION_A03p]    = "A03 prime",
 	[TEGRA_REVISION_A04]     = "A04",
+	[TEGRA_REVISION_B01]     = "B01",
 };
 
 static const char *tegra_platform_name[TEGRA_PLATFORM_MAX] = {
diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c
index 6af69ccaa295c..8df3bcd148ba7 100644
--- a/drivers/soc/tegra/fuse/tegra-apbmisc.c
+++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c
@@ -167,30 +167,35 @@ static const struct of_device_id apbmisc_match[] __initconst = {
 
 void __init tegra_init_revision(void)
 {
-	u8 chip_id, minor_rev;
+	u8 chip_id, major_rev, minor_rev;
 
 	chip_id = tegra_get_chip_id();
+	major_rev = tegra_get_major_rev();
 	minor_rev = tegra_get_minor_rev();
 
-	switch (minor_rev) {
-	case 1:
-		tegra_sku_info.revision = TEGRA_REVISION_A01;
-		break;
-	case 2:
-		tegra_sku_info.revision = TEGRA_REVISION_A02;
-		break;
-	case 3:
-		if (chip_id == TEGRA20 && (tegra_fuse_read_spare(18) ||
-					   tegra_fuse_read_spare(19)))
-			tegra_sku_info.revision = TEGRA_REVISION_A03p;
-		else
-			tegra_sku_info.revision = TEGRA_REVISION_A03;
-		break;
-	case 4:
-		tegra_sku_info.revision = TEGRA_REVISION_A04;
-		break;
-	default:
-		tegra_sku_info.revision = TEGRA_REVISION_UNKNOWN;
+	if (major_rev > 1) {
+		tegra_sku_info.revision = TEGRA_REVISION_B01;
+	} else {
+		switch (minor_rev) {
+		case 1:
+			tegra_sku_info.revision = TEGRA_REVISION_A01;
+			break;
+		case 2:
+			tegra_sku_info.revision = TEGRA_REVISION_A02;
+			break;
+		case 3:
+			if (chip_id == TEGRA20 && (tegra_fuse_read_spare(18) ||
+						   tegra_fuse_read_spare(19)))
+				tegra_sku_info.revision = TEGRA_REVISION_A03p;
+			else
+				tegra_sku_info.revision = TEGRA_REVISION_A03;
+			break;
+		case 4:
+			tegra_sku_info.revision = TEGRA_REVISION_A04;
+			break;
+		default:
+			tegra_sku_info.revision = TEGRA_REVISION_UNKNOWN;
+		}
 	}
 
 	tegra_sku_info.sku_id = tegra_fuse_read_early(FUSE_SKU_INFO);
diff --git a/include/soc/tegra/fuse.h b/include/soc/tegra/fuse.h
index 8f421b9f7585c..30db79f7f17fd 100644
--- a/include/soc/tegra/fuse.h
+++ b/include/soc/tegra/fuse.h
@@ -33,6 +33,7 @@ enum tegra_revision {
 	TEGRA_REVISION_A03,
 	TEGRA_REVISION_A03p,
 	TEGRA_REVISION_A04,
+	TEGRA_REVISION_B01,
 	TEGRA_REVISION_MAX,
 };
 

-- 
2.54.0

[PATCH 2/2] soc/tegra: fuse: speedo-tegra210: Support revision B01

[Aaron Kling via B4 Relay]

From: Aaron Kling <webgeek1234@gmail.com>

Tegra210B01 has a separate set of skus and speedo tables

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
 drivers/soc/tegra/fuse/speedo-tegra210.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/tegra/fuse/speedo-tegra210.c b/drivers/soc/tegra/fuse/speedo-tegra210.c
index 06c2bcbee5734..699751f4bd0c0 100644
--- a/drivers/soc/tegra/fuse/speedo-tegra210.c
+++ b/drivers/soc/tegra/fuse/speedo-tegra210.c
@@ -65,7 +65,25 @@ static void __init rev_sku_to_speedo_ids(struct tegra_sku_info *sku_info,
 	sku_info->gpu_speedo_id = 0;
 	*threshold = THRESHOLD_INDEX_0;
 
-	if (sku_info->revision >= TEGRA_REVISION_A02) {
+	if (sku_info->revision >= TEGRA_REVISION_B01) {
+		sku_info->gpu_speedo_id = 1;
+
+		switch (sku) {
+		case 0x00: /* Engineering SKU */
+		case 0x01: /* Engineering SKU */
+		case 0x83:
+			break;
+
+		case 0x87:
+			sku_info->cpu_speedo_id = 3;
+			break;
+
+		default:
+			pr_err("Tegra210B01: unknown SKU %#04x\n", sku);
+			/* Using the default for the error case */
+			break;
+		}
+	} else if (sku_info->revision >= TEGRA_REVISION_A02) {
 		switch (sku) {
 		case 0x00: /* Engineering SKU */
 		case 0x01: /* Engineering SKU */
@@ -154,7 +172,7 @@ void __init tegra210_init_speedo_data(struct tegra_sku_info *sku_info)
 	speedo_revision = get_speedo_revision();
 	pr_info("Speedo Revision %u\n", speedo_revision);
 
-	if (speedo_revision >= 3) {
+	if (sku_info->revision == TEGRA_REVISION_B01 || speedo_revision >= 3) {
 		sku_info->cpu_speedo_value = cpu_speedo[0];
 		sku_info->gpu_speedo_value = cpu_speedo[2];
 		sku_info->soc_speedo_value = soc_speedo[0];

-- 
2.54.0