Merge tag 'u-boot-imx-master-20240505' of https://gitlab.denx.de/u-bo…

…ot/custodians/u-boot-imx

CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/20614

- Add SPL variant of DM_RNG so that the DM_RNG can be disabled in SPL if
  necessary. This may be necessary due to e.g. size constraints of the SPL.
- dd SPL variant of SPL_FSL_CAAM_RNG so that the SPL_FSL_CAAM_RNG can be
  disabled in SPL if necessary. This may be necessary due to e.g.  size
  constraints of the SPL.
- Differentiate between CAAM and DCP in Kconfig entry.

boot/pxe_utils.c

@@ -21,9 +21,7 @@
 #include <errno.h>
 #include <linux/list.h>
 
-#ifdef CONFIG_DM_RNG
 #include <rng.h>
-#endif
 
 #include <splash.h>
 #include <asm/io.h>
@@ -323,7 +321,7 @@ static int label_localboot(struct pxe_label *label)
 
 static void label_boot_kaslrseed(void)
 {
-#ifdef CONFIG_DM_RNG
+#if CONFIG_IS_ENABLED(DM_RNG)
 	ulong fdt_addr;
 	struct fdt_header *working_fdt;
 	size_t n = 0x8;

boot/vbe_request.c

@@ -36,7 +36,7 @@ static int handle_random_req(ofnode node, int default_size,
 	u32 size;
 	int ret;
 
-	if (!IS_ENABLED(CONFIG_DM_RNG))
+	if (!CONFIG_IS_ENABLED(DM_RNG))
 		return -ENOTSUPP;
 
 	if (ofnode_read_u32(node, "vbe,size", &size)) {

drivers/Makefile

@@ -126,7 +126,7 @@ obj-$(CONFIG_W1_EEPROM) += w1-eeprom/
 obj-$(CONFIG_MACH_PIC32) += ddr/microchip/
 obj-$(CONFIG_FUZZ) += fuzz/
 obj-$(CONFIG_DM_HWSPINLOCK) += hwspinlock/
-obj-$(CONFIG_DM_RNG) += rng/
+obj-$(CONFIG_$(SPL_TPL_)DM_RNG) += rng/
 endif
 
 obj-y += soc/

drivers/crypto/fsl/Kconfig

@@ -69,7 +69,7 @@ config FSL_CAAM_JR_NTZ_ACCESS
 	  driver is used.
 
 config FSL_CAAM_RNG
-	bool "Enable Random Number Generator support"
+	bool "Enable CAAM Random Number Generator support"
 	depends on DM_RNG
 	default y
 	help
@@ -78,10 +78,17 @@ config FSL_CAAM_RNG
 	  using the prediction resistance flag which means the DRGB is
 	  reseeded from the TRNG every time random data is generated.
 
+config SPL_FSL_CAAM_RNG
+	bool "Enable CAAM Random Number Generator support in SPL"
+	depends on SPL_DM_RNG
+	help
+	  This option is an SPL-variant of the FSL_CAAM_RNG option.
+	  See the help of FSL_CAAM_RNG for details.
+
 endif
 
 config FSL_DCP_RNG
-	bool "Enable Random Number Generator support"
+	bool "Enable DCP Random Number Generator support"
 	depends on DM_RNG
 	help
 	  Enable support for the hardware based random number generator

drivers/crypto/fsl/Makefile

@@ -6,6 +6,6 @@ obj-y += sec.o
 obj-$(CONFIG_FSL_CAAM) += jr.o fsl_hash.o jobdesc.o error.o
 obj-$(CONFIG_CMD_BLOB)$(CONFIG_IMX_CAAM_DEK_ENCAP) += fsl_blob.o
 obj-$(CONFIG_RSA_FREESCALE_EXP) += fsl_rsa.o
-obj-$(CONFIG_FSL_CAAM_RNG) += rng.o
+obj-$(CONFIG_$(SPL_TPL_)FSL_CAAM_RNG) += rng.o
 obj-$(CONFIG_FSL_DCP_RNG) += dcp_rng.o
 obj-$(CONFIG_FSL_MFGPROT) += fsl_mfgprot.o

drivers/crypto/fsl/jr.c

@@ -787,7 +787,7 @@ int sec_init_idx(uint8_t sec_idx)
 	}
 #if CONFIG_IS_ENABLED(OF_CONTROL)
 	if (ofnode_valid(scu_node)) {
-		if (IS_ENABLED(CONFIG_DM_RNG)) {
+		if (CONFIG_IS_ENABLED(DM_RNG)) {
 			ret = device_bind_driver(NULL, "caam-rng", "caam-rng", NULL);
 			if (ret)
 				printf("Couldn't bind rng driver (%d)\n", ret);
@@ -810,7 +810,7 @@ int sec_init_idx(uint8_t sec_idx)
 			return -1;
 		}
 
-		if (IS_ENABLED(CONFIG_DM_RNG)) {
+		if (CONFIG_IS_ENABLED(DM_RNG)) {
 			ret = device_bind_driver(NULL, "caam-rng", "caam-rng",
 						 NULL);
 			if (ret)

drivers/rng/Kconfig

@@ -6,6 +6,13 @@ config DM_RNG
 	  This interface is used to initialise the rng device and to
 	  read the random seed from the device.
 
+config SPL_DM_RNG
+	bool "Driver support for Random Number Generator devices in SPL"
+	depends on SPL_DM
+	help
+	  This option is an SPL-variant of the DM_RNG option.
+	  See the help of DM_RNG for details.
+
 if DM_RNG
 
 config RNG_MESON

drivers/rng/Makefile

@@ -3,7 +3,7 @@
 # Copyright (c) 2019, Linaro Limited
 #
 
-obj-$(CONFIG_DM_RNG) += rng-uclass.o
+obj-$(CONFIG_$(SPL_TPL_)DM_RNG) += rng-uclass.o
 obj-$(CONFIG_RNG_MESON) += meson-rng.o
 obj-$(CONFIG_RNG_SANDBOX) += sandbox_rng.o
 obj-$(CONFIG_RNG_MSM) += msm_rng.o

lib/uuid.c

@@ -378,7 +378,7 @@ void gen_rand_uuid(unsigned char *uuid_bin)
 	struct udevice *devp;
 	u32 randv = 0;
 
-	if (IS_ENABLED(CONFIG_DM_RNG)) {
+	if (CONFIG_IS_ENABLED(DM_RNG)) {
 		ret = uclass_get_device(UCLASS_RNG, 0, &devp);
 		if (!ret) {
 			ret = dm_rng_read(devp, &randv, sizeof(randv));

net/net_rand.h

@@ -42,7 +42,7 @@ static inline void srand_mac(void)
 	struct udevice *devp;
 	u32 randv = 0;
 
-	if (IS_ENABLED(CONFIG_DM_RNG)) {
+	if (CONFIG_IS_ENABLED(DM_RNG)) {
 		ret = uclass_get_device(UCLASS_RNG, 0, &devp);
 		if (ret) {
 			ret = dm_rng_read(devp, &randv, sizeof(randv));

test/dm/Makefile

@@ -102,7 +102,7 @@ obj-$(CONFIG_DM_RESET) += reset.o
 obj-$(CONFIG_SYSRESET) += sysreset.o
 obj-$(CONFIG_DM_REGULATOR) += regulator.o
 obj-$(CONFIG_CMD_RKMTD) += rkmtd.o
-obj-$(CONFIG_DM_RNG) += rng.o
+obj-$(CONFIG_$(SPL_TPL_)DM_RNG) += rng.o
 obj-$(CONFIG_DM_RTC) += rtc.o
 obj-$(CONFIG_SCMI_FIRMWARE) += scmi.o
 obj-$(CONFIG_SCSI) += scsi.o