linux-kernel - [PATCH] soc/tegra: fuse: Update Tegra234 nvmem keepout list

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Message-ID: <20241127061053.16775-1-kkartik@nvidia.com>
Date: Wed, 27 Nov 2024 11:40:53 +0530
From: Kartik Rajput <kkartik@...dia.com>
To: <thierry.reding@...il.com>, <jonathanh@...dia.com>, <arnd@...db.de>,
	<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] soc/tegra: fuse: Update Tegra234 nvmem keepout list

Various Nvidia userspace applications and tests access following fuse
via Fuse nvmem interface:

	* odmid
	* odminfo
	* boot_security_info
	* public_key_hash
	* reserved_odm0
	* reserved_odm1
	* reserved_odm2
	* reserved_odm3
	* reserved_odm4
	* reserved_odm5
	* reserved_odm6
	* reserved_odm7
	* odm_lock
	* pk_h1
	* pk_h2
	* revoke_pk_h0
	* revoke_pk_h1
	* security_mode
	* system_fw_field_ratchet0
	* system_fw_field_ratchet1
	* system_fw_field_ratchet2
	* system_fw_field_ratchet3
	* optin_enable

Update tegra234_fuse_keepouts list to allow reading these fuse from
nvmem sysfs interface.

Signed-off-by: Kartik Rajput <kkartik@...dia.com>
---
 drivers/soc/tegra/fuse/fuse-tegra30.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c
index eb14e5ff5a0a..e24ab5f7d2bf 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra30.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra30.c
@@ -647,15 +647,20 @@ static const struct nvmem_cell_lookup tegra234_fuse_lookups[] = {
 };
 
 static const struct nvmem_keepout tegra234_fuse_keepouts[] = {
-	{ .start = 0x01c, .end = 0x0c8 },
-	{ .start = 0x12c, .end = 0x184 },
+	{ .start = 0x01c, .end = 0x064 },
+	{ .start = 0x084, .end = 0x0a0 },
+	{ .start = 0x0a4, .end = 0x0c8 },
+	{ .start = 0x12c, .end = 0x164 },
+	{ .start = 0x16c, .end = 0x184 },
 	{ .start = 0x190, .end = 0x198 },
 	{ .start = 0x1a0, .end = 0x204 },
-	{ .start = 0x21c, .end = 0x250 },
-	{ .start = 0x25c, .end = 0x2f0 },
+	{ .start = 0x21c, .end = 0x2f0 },
 	{ .start = 0x310, .end = 0x3d8 },
-	{ .start = 0x400, .end = 0x4f0 },
-	{ .start = 0x4f8, .end = 0x7e8 },
+	{ .start = 0x400, .end = 0x420 },
+	{ .start = 0x444, .end = 0x490 },
+	{ .start = 0x4bc, .end = 0x4f0 },
+	{ .start = 0x4f8, .end = 0x54c },
+	{ .start = 0x57c, .end = 0x7e8 },
 	{ .start = 0x8d0, .end = 0x8d8 },
 	{ .start = 0xacc, .end = 0xf00 }
 };
-- 
2.47.0