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>

Author: arndb

drivers/firmware/tegra/Kconfig

@@ -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.

drivers/firmware/tegra/Makefile

@@ -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

drivers/firmware/tegra/bpmp-private.h

@@ -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

drivers/firmware/tegra/bpmp-tegra186.c

@@ -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;

drivers/firmware/tegra/bpmp.c

@@ -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)