From: Antonin Malzieu Ridolfi via B4 Relay <devnull+dev.nanonej.com@kernel.org>
To: Danilo Krummrich <dakr@kernel.org>,
Alexandre Courbot <acourbot@nvidia.com>,
Alice Ryhl <aliceryhl@google.com>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>,
Antonin Malzieu Ridolfi <dev@nanonej.com>
Cc: linux-kernel@vger.kernel.org, nova-gpu@lists.linux.dev,
dri-devel@lists.freedesktop.org, daniel.almeida@collabora.com
Subject: [PATCH 5/5] gpu: nova-core: falcon: Move PFSP register
Date: Wed, 17 Jun 2026 01:48:16 +0200 [thread overview]
Message-ID: <20260617-nova-core-regs-split-v1-5-4c7dc4450ea7@nanonej.com> (raw)
In-Reply-To: <20260617-nova-core-regs-split-v1-0-4c7dc4450ea7@nanonej.com>
From: Antonin Malzieu Ridolfi <dev@nanonej.com>
Move PFSP register definition into falcon module and update registers
visibility.
Signed-off-by: Antonin Malzieu Ridolfi <dev@nanonej.com>
---
drivers/gpu/nova-core/falcon/fsp.rs | 14 +++++++-------
drivers/gpu/nova-core/falcon/regs.rs | 21 +++++++++++++++++++++
drivers/gpu/nova-core/regs.rs | 21 ---------------------
3 files changed, 28 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/nova-core/falcon/fsp.rs b/drivers/gpu/nova-core/falcon/fsp.rs
index 52cdb84ef0e8..547843e6483c 100644
--- a/drivers/gpu/nova-core/falcon/fsp.rs
+++ b/drivers/gpu/nova-core/falcon/fsp.rs
@@ -26,10 +26,10 @@
Falcon,
FalconEngine,
PFalcon2Base,
- PFalconBase, //
+ PFalconBase,
+ regs, //
},
- num,
- regs, //
+ num, //
};
/// FSP message timeout in milliseconds.
@@ -61,7 +61,7 @@ fn write_emem(&mut self, bar: Bar0<'_>, data: &[u8]) -> Result {
// Begin a write burst at offset `0`, auto-incrementing on each write.
bar.write(
WithBase::of::<Fsp>(),
- regs::NV_PFALCON_FALCON_EMEMC::zeroed().with_aincw(true),
+ crate::regs::NV_PFALCON_FALCON_EMEMC::zeroed().with_aincw(true),
);
for chunk in data.chunks_exact(4) {
@@ -70,7 +70,7 @@ fn write_emem(&mut self, bar: Bar0<'_>, data: &[u8]) -> Result {
// Write the next 32-bit `value`; hardware advances the offset.
bar.write(
WithBase::of::<Fsp>(),
- regs::NV_PFALCON_FALCON_EMEMD::zeroed().with_data(value),
+ crate::regs::NV_PFALCON_FALCON_EMEMD::zeroed().with_data(value),
);
}
@@ -89,12 +89,12 @@ fn read_emem(&mut self, bar: Bar0<'_>, data: &mut [u8]) -> Result {
// Begin a read burst at offset `0`, auto-incrementing on each read.
bar.write(
WithBase::of::<Fsp>(),
- regs::NV_PFALCON_FALCON_EMEMC::zeroed().with_aincr(true),
+ crate::regs::NV_PFALCON_FALCON_EMEMC::zeroed().with_aincr(true),
);
for chunk in data.chunks_exact_mut(4) {
// Read the next 32-bit word; hardware advances the offset.
- let value = bar.read(regs::NV_PFALCON_FALCON_EMEMD::of::<Fsp>()).data();
+ let value = bar.read(crate::regs::NV_PFALCON_FALCON_EMEMD::of::<Fsp>()).data();
chunk.copy_from_slice(&value.to_le_bytes());
}
diff --git a/drivers/gpu/nova-core/falcon/regs.rs b/drivers/gpu/nova-core/falcon/regs.rs
index 4d4e69b235fc..81530abfb54c 100644
--- a/drivers/gpu/nova-core/falcon/regs.rs
+++ b/drivers/gpu/nova-core/falcon/regs.rs
@@ -53,3 +53,24 @@
0:0 valid => bool;
}
}
+
+// FSP (Foundation Security Processor) queue registers for Hopper/Blackwell Chain of Trust.
+// These registers manage falcon EMEM communication queues.
+
+register! {
+ pub(super) NV_PFSP_QUEUE_HEAD(u32)[8] @ 0x008f2c00 {
+ 31:0 address => u32;
+ }
+
+ pub(super) NV_PFSP_QUEUE_TAIL(u32)[8] @ 0x008f2c04 {
+ 31:0 address => u32;
+ }
+
+ pub(super) NV_PFSP_MSGQ_HEAD(u32)[8] @ 0x008f2c80 {
+ 31:0 val => u32;
+ }
+
+ pub(super) NV_PFSP_MSGQ_TAIL(u32)[8] @ 0x008f2c84 {
+ 31:0 val => u32;
+ }
+}
diff --git a/drivers/gpu/nova-core/regs.rs b/drivers/gpu/nova-core/regs.rs
index b21a5adc723a..9069aeff1ee4 100644
--- a/drivers/gpu/nova-core/regs.rs
+++ b/drivers/gpu/nova-core/regs.rs
@@ -491,27 +491,6 @@ pub(crate) fn mem_scrubbing_done(self) -> bool {
}
}
-// FSP (Foundation Security Processor) queue registers for Hopper/Blackwell Chain of Trust.
-// These registers manage falcon EMEM communication queues.
-
-register! {
- pub(crate) NV_PFSP_QUEUE_HEAD(u32)[8] @ 0x008f2c00 {
- 31:0 address => u32;
- }
-
- pub(crate) NV_PFSP_QUEUE_TAIL(u32)[8] @ 0x008f2c04 {
- 31:0 address => u32;
- }
-
- pub(crate) NV_PFSP_MSGQ_HEAD(u32)[8] @ 0x008f2c80 {
- 31:0 val => u32;
- }
-
- pub(crate) NV_PFSP_MSGQ_TAIL(u32)[8] @ 0x008f2c84 {
- 31:0 val => u32;
- }
-}
-
// The modules below provide registers that are not identical on all supported chips. They should
// only be used in HAL modules.
--
2.54.0
prev parent reply other threads:[~2026-06-16 23:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-16 23:48 [PATCH 0/5] gpu: nova-core: Move registers definitions Antonin Malzieu Ridolfi via B4 Relay
2026-06-16 23:48 ` [PATCH 1/5] gpu: nova-core: fb: Move PDISP register definition Antonin Malzieu Ridolfi via B4 Relay
2026-06-23 6:18 ` Alexandre Courbot
2026-06-16 23:48 ` [PATCH 2/5] gpu: nova-core: gsp: Move PBUS " Antonin Malzieu Ridolfi via B4 Relay
2026-06-23 6:18 ` Alexandre Courbot
2026-06-16 23:48 ` [PATCH 3/5] gpu: nova-core: falcon: Move PFALCON2 register Antonin Malzieu Ridolfi via B4 Relay
2026-06-23 6:22 ` Alexandre Courbot
2026-06-16 23:48 ` [PATCH 4/5] gpu: nova-core: falcon: Move PRISCV register Antonin Malzieu Ridolfi via B4 Relay
2026-06-16 23:48 ` Antonin Malzieu Ridolfi via B4 Relay [this message]
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