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firmware: tegra: Updates for v6.17-rc1

Browse Source 
Add Tegra264 support for the BPMP, fix some dependency issues and clean
 up some code using new OF helpers.
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Merge tag 'tegra-for-6.17-firmware' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers

firmware: tegra: Updates for v6.17-rc1

Add Tegra264 support for the BPMP, fix some dependency issues and clean
up some code using new OF helpers.

* tag 'tegra-for-6.17-firmware' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  firmware: tegra: bpmp: Fix build failure for tegra264-only config
  firmware: tegra: bpmp: Use of_reserved_mem_region_to_resource() for "memory-region"
  firmware: tegra: bpmp: Add support on Tegra264
  firmware: tegra: Fix IVC dependency problems

Link: https://lore.kernel.org/r/20250711220943.2389322-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2025-07-22 22:43:50 +02:00
commit 27d0ff5a60
5 changed files with 10 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/firmware/tegra/Kconfig
View File

@ -2,7 +2,7 @@
menu "Tegra firmware driver"
config TEGRA_IVC
bool "Tegra IVC protocol"
bool "Tegra IVC protocol" if COMPILE_TEST
depends on ARCH_TEGRA
help
IVC (Inter-VM Communication) protocol is part of the IPC
@ -13,8 +13,9 @@ config TEGRA_IVC
config TEGRA_BPMP
bool "Tegra BPMP driver"
depends on ARCH_TEGRA && TEGRA_HSP_MBOX && TEGRA_IVC
depends on ARCH_TEGRA && TEGRA_HSP_MBOX
depends on !CPU_BIG_ENDIAN
select TEGRA_IVC
help
BPMP (Boot and Power Management Processor) is designed to off-loading
the PM functions which include clock/DVFS/thermal/power from the CPU.

1
drivers/firmware/tegra/Makefile
View File

@ -4,6 +4,7 @@ tegra-bpmp-$(CONFIG_ARCH_TEGRA_210_SOC) += bpmp-tegra210.o
tegra-bpmp-$(CONFIG_ARCH_TEGRA_186_SOC) += bpmp-tegra186.o
tegra-bpmp-$(CONFIG_ARCH_TEGRA_194_SOC) += bpmp-tegra186.o
tegra-bpmp-$(CONFIG_ARCH_TEGRA_234_SOC) += bpmp-tegra186.o
tegra-bpmp-$(CONFIG_ARCH_TEGRA_264_SOC) += bpmp-tegra186.o
tegra-bpmp-$(CONFIG_DEBUG_FS) += bpmp-debugfs.o
obj-$(CONFIG_TEGRA_BPMP) += tegra-bpmp.o
obj-$(CONFIG_TEGRA_IVC) += ivc.o

6
drivers/firmware/tegra/bpmp-private.h
View File

@ -23,13 +23,7 @@ struct tegra_bpmp_ops {
int (*resume)(struct tegra_bpmp *bpmp);
};
#if IS_ENABLED(CONFIG_ARCH_TEGRA_186_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
extern const struct tegra_bpmp_ops tegra186_bpmp_ops;
#endif
#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
extern const struct tegra_bpmp_ops tegra210_bpmp_ops;
#endif
#endif

9
drivers/firmware/tegra/bpmp-tegra186.c
View File

@ -6,7 +6,7 @@
#include <linux/genalloc.h>
#include <linux/io.h>
#include <linux/mailbox_client.h>
#include <linux/of_address.h>
#include <linux/of_reserved_mem.h>
#include <linux/platform_device.h>
#include <soc/tegra/bpmp.h>
@ -192,16 +192,11 @@ static void tegra186_bpmp_teardown_channels(struct tegra_bpmp *bpmp)
static int tegra186_bpmp_dram_init(struct tegra_bpmp *bpmp)
{
struct tegra186_bpmp *priv = bpmp->priv;
struct device_node *np;
struct resource res;
size_t size;
int err;
np = of_parse_phandle(bpmp->dev->of_node, "memory-region", 0);
if (!np)
return -ENODEV;
err = of_address_to_resource(np, 0, &res);
err = of_reserved_mem_region_to_resource(bpmp->dev->of_node, 0, &res);
if (err < 0) {
dev_warn(bpmp->dev, "failed to parse memory region: %d\n", err);
return err;

6
drivers/firmware/tegra/bpmp.c
View File

@ -836,7 +836,8 @@ static const struct dev_pm_ops tegra_bpmp_pm_ops = {
#if IS_ENABLED(CONFIG_ARCH_TEGRA_186_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_264_SOC)
static const struct tegra_bpmp_soc tegra186_soc = {
.channels = {
.cpu_tx = {
@ -884,7 +885,8 @@ static const struct tegra_bpmp_soc tegra210_soc = {
static const struct of_device_id tegra_bpmp_match[] = {
#if IS_ENABLED(CONFIG_ARCH_TEGRA_186_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_264_SOC)
{ .compatible = "nvidia,tegra186-bpmp", .data = &tegra186_soc },
#endif
#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)