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-rw-r--r--drivers/gpu/nova-core/falcon/gsp.rs16
-rw-r--r--drivers/gpu/nova-core/falcon/hal.rs2
-rw-r--r--drivers/gpu/nova-core/falcon/hal/ga102.rs47
-rw-r--r--drivers/gpu/nova-core/falcon/sec2.rs13
4 files changed, 46 insertions, 32 deletions
diff --git a/drivers/gpu/nova-core/falcon/gsp.rs b/drivers/gpu/nova-core/falcon/gsp.rs
index d622e9a64470..f17599cb49fa 100644
--- a/drivers/gpu/nova-core/falcon/gsp.rs
+++ b/drivers/gpu/nova-core/falcon/gsp.rs
@@ -2,23 +2,31 @@
use crate::{
driver::Bar0,
- falcon::{Falcon, FalconEngine},
- regs,
+ falcon::{Falcon, FalconEngine, PFalcon2Base, PFalconBase},
+ regs::{self, macros::RegisterBase},
};
/// Type specifying the `Gsp` falcon engine. Cannot be instantiated.
pub(crate) struct Gsp(());
-impl FalconEngine for Gsp {
+impl RegisterBase<PFalconBase> for Gsp {
const BASE: usize = 0x00110000;
}
+impl RegisterBase<PFalcon2Base> for Gsp {
+ const BASE: usize = 0x00111000;
+}
+
+impl FalconEngine for Gsp {
+ const ID: Self = Gsp(());
+}
+
impl Falcon<Gsp> {
/// Clears the SWGEN0 bit in the Falcon's IRQ status clear register to
/// allow GSP to signal CPU for processing new messages in message queue.
pub(crate) fn clear_swgen0_intr(&self, bar: &Bar0) {
regs::NV_PFALCON_FALCON_IRQSCLR::default()
.set_swgen0(true)
- .write(bar, Gsp::BASE);
+ .write(bar, &Gsp::ID);
}
}
diff --git a/drivers/gpu/nova-core/falcon/hal.rs b/drivers/gpu/nova-core/falcon/hal.rs
index b233bc365882..bba288455617 100644
--- a/drivers/gpu/nova-core/falcon/hal.rs
+++ b/drivers/gpu/nova-core/falcon/hal.rs
@@ -13,7 +13,7 @@ mod ga102;
/// Implements chipset-specific low-level operations. The trait is generic against [`FalconEngine`]
/// so its `BASE` parameter can be used in order to avoid runtime bound checks when accessing
/// registers.
-pub(crate) trait FalconHal<E: FalconEngine>: Sync {
+pub(crate) trait FalconHal<E: FalconEngine>: Send + Sync {
/// Activates the Falcon core if the engine is a risvc/falcon dual engine.
fn select_core(&self, _falcon: &Falcon<E>, _bar: &Bar0) -> Result {
Ok(())
diff --git a/drivers/gpu/nova-core/falcon/hal/ga102.rs b/drivers/gpu/nova-core/falcon/hal/ga102.rs
index 52c33d3f22a8..0b1cbe7853b3 100644
--- a/drivers/gpu/nova-core/falcon/hal/ga102.rs
+++ b/drivers/gpu/nova-core/falcon/hal/ga102.rs
@@ -16,15 +16,15 @@ use crate::util;
use super::FalconHal;
fn select_core_ga102<E: FalconEngine>(bar: &Bar0) -> Result {
- let bcr_ctrl = regs::NV_PRISCV_RISCV_BCR_CTRL::read(bar, E::BASE);
+ let bcr_ctrl = regs::NV_PRISCV_RISCV_BCR_CTRL::read(bar, &E::ID);
if bcr_ctrl.core_select() != PeregrineCoreSelect::Falcon {
regs::NV_PRISCV_RISCV_BCR_CTRL::default()
.set_core_select(PeregrineCoreSelect::Falcon)
- .write(bar, E::BASE);
+ .write(bar, &E::ID);
// TIMEOUT: falcon core should take less than 10ms to report being enabled.
util::wait_on(Delta::from_millis(10), || {
- let r = regs::NV_PRISCV_RISCV_BCR_CTRL::read(bar, E::BASE);
+ let r = regs::NV_PRISCV_RISCV_BCR_CTRL::read(bar, &E::ID);
if r.valid() {
Some(())
} else {
@@ -42,50 +42,47 @@ fn signature_reg_fuse_version_ga102(
engine_id_mask: u16,
ucode_id: u8,
) -> Result<u32> {
- // TODO[REGA]: The ucode fuse versions are contained in the
- // FUSE_OPT_FPF_<ENGINE>_UCODE<X>_VERSION registers, which are an array. Our register
- // definition macros do not allow us to manage them properly, so we need to hardcode their
- // addresses for now. Clean this up once we support register arrays.
+ const NV_FUSE_OPT_FPF_SIZE: u8 = regs::NV_FUSE_OPT_FPF_SIZE as u8;
// Each engine has 16 ucode version registers numbered from 1 to 16.
- if ucode_id == 0 || ucode_id > 16 {
- dev_err!(dev, "invalid ucode id {:#x}", ucode_id);
- return Err(EINVAL);
- }
+ let ucode_idx = match ucode_id {
+ 1..=NV_FUSE_OPT_FPF_SIZE => (ucode_id - 1) as usize,
+ _ => {
+ dev_err!(dev, "invalid ucode id {:#x}", ucode_id);
+ return Err(EINVAL);
+ }
+ };
- // Base address of the FUSE registers array corresponding to the engine.
- let reg_fuse_base = if engine_id_mask & 0x0001 != 0 {
- regs::NV_FUSE_OPT_FPF_SEC2_UCODE1_VERSION::OFFSET
+ // `ucode_idx` is guaranteed to be in the range [0..15], making the `read` calls provable valid
+ // at build-time.
+ let reg_fuse_version = if engine_id_mask & 0x0001 != 0 {
+ regs::NV_FUSE_OPT_FPF_SEC2_UCODE1_VERSION::read(bar, ucode_idx).data()
} else if engine_id_mask & 0x0004 != 0 {
- regs::NV_FUSE_OPT_FPF_NVDEC_UCODE1_VERSION::OFFSET
+ regs::NV_FUSE_OPT_FPF_NVDEC_UCODE1_VERSION::read(bar, ucode_idx).data()
} else if engine_id_mask & 0x0400 != 0 {
- regs::NV_FUSE_OPT_FPF_GSP_UCODE1_VERSION::OFFSET
+ regs::NV_FUSE_OPT_FPF_GSP_UCODE1_VERSION::read(bar, ucode_idx).data()
} else {
dev_err!(dev, "unexpected engine_id_mask {:#x}", engine_id_mask);
return Err(EINVAL);
};
- // Read `reg_fuse_base[ucode_id - 1]`.
- let reg_fuse_version =
- bar.read32(reg_fuse_base + ((ucode_id - 1) as usize * core::mem::size_of::<u32>()));
-
// TODO[NUMM]: replace with `last_set_bit` once it lands.
- Ok(u32::BITS - reg_fuse_version.leading_zeros())
+ Ok(u16::BITS - reg_fuse_version.leading_zeros())
}
fn program_brom_ga102<E: FalconEngine>(bar: &Bar0, params: &FalconBromParams) -> Result {
regs::NV_PFALCON2_FALCON_BROM_PARAADDR::default()
.set_value(params.pkc_data_offset)
- .write(bar, E::BASE);
+ .write(bar, &E::ID, 0);
regs::NV_PFALCON2_FALCON_BROM_ENGIDMASK::default()
.set_value(u32::from(params.engine_id_mask))
- .write(bar, E::BASE);
+ .write(bar, &E::ID);
regs::NV_PFALCON2_FALCON_BROM_CURR_UCODE_ID::default()
.set_ucode_id(params.ucode_id)
- .write(bar, E::BASE);
+ .write(bar, &E::ID);
regs::NV_PFALCON2_FALCON_MOD_SEL::default()
.set_algo(FalconModSelAlgo::Rsa3k)
- .write(bar, E::BASE);
+ .write(bar, &E::ID);
Ok(())
}
diff --git a/drivers/gpu/nova-core/falcon/sec2.rs b/drivers/gpu/nova-core/falcon/sec2.rs
index 5147d9e2a7fe..815786c8480d 100644
--- a/drivers/gpu/nova-core/falcon/sec2.rs
+++ b/drivers/gpu/nova-core/falcon/sec2.rs
@@ -1,10 +1,19 @@
// SPDX-License-Identifier: GPL-2.0
-use crate::falcon::FalconEngine;
+use crate::falcon::{FalconEngine, PFalcon2Base, PFalconBase};
+use crate::regs::macros::RegisterBase;
/// Type specifying the `Sec2` falcon engine. Cannot be instantiated.
pub(crate) struct Sec2(());
-impl FalconEngine for Sec2 {
+impl RegisterBase<PFalconBase> for Sec2 {
const BASE: usize = 0x00840000;
}
+
+impl RegisterBase<PFalcon2Base> for Sec2 {
+ const BASE: usize = 0x00841000;
+}
+
+impl FalconEngine for Sec2 {
+ const ID: Self = Sec2(());
+}
generated by cgit (git 2.34.1) at 2025-10-05 10:13:07 +0000