[PATCH 09/15] crypto/fsl: i.MX8: Enable Job ring driver model in SPL and U-Boot.

Gaurav Jain gaurav.jain at nxp.com
Mon Aug 16 10:42:06 CEST 2021


i.MX8(QM/QXP) - added support for JR driver model.
sec is initialized based on job ring information processed
from device tree.

Signed-off-by: Gaurav Jain <gaurav.jain at nxp.com>
Signed-off-by: Horia Geantă <horia.geanta at nxp.com>
---
 arch/arm/Kconfig                          |  3 +++
 arch/arm/include/asm/arch-imx8/imx-regs.h |  5 ++++-
 arch/arm/mach-imx/cmd_dek.c               |  1 +
 arch/arm/mach-imx/imx8/Kconfig            |  9 +++++++++
 arch/arm/mach-imx/imx8/cpu.c              | 21 +++++++++++++++++++-
 board/freescale/imx8qm_mek/spl.c          | 14 ++++++++++---
 board/freescale/imx8qxp_mek/spl.c         | 14 ++++++++++---
 drivers/crypto/fsl/Kconfig                |  2 +-
 drivers/crypto/fsl/jr.c                   | 24 +++++++++++++++++++++++
 include/fsl_sec.h                         | 12 +++++-------
 10 files changed, 89 insertions(+), 16 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f582217988..869cfcd458 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -785,6 +785,9 @@ config ARCH_LPC32XX
 config ARCH_IMX8
 	bool "NXP i.MX8 platform"
 	select ARM64
+	select SYS_FSL_HAS_SEC
+	select SYS_FSL_SEC_COMPAT_4
+	select SYS_FSL_SEC_LE
 	select DM
 	select GPIO_EXTRA_HEADER
 	select OF_CONTROL
diff --git a/arch/arm/include/asm/arch-imx8/imx-regs.h b/arch/arm/include/asm/arch-imx8/imx-regs.h
index ed6e05e556..2d64b0604b 100644
--- a/arch/arm/include/asm/arch-imx8/imx-regs.h
+++ b/arch/arm/include/asm/arch-imx8/imx-regs.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * Copyright 2018 NXP
+ * Copyright 2018, 2021 NXP
  */
 
 #ifndef __ASM_ARCH_IMX8_REGS_H__
@@ -47,4 +47,7 @@
 #define USB_BASE_ADDR		0x5b0d0000
 #define USB_PHY0_BASE_ADDR	0x5b100000
 
+#define CONFIG_SYS_FSL_SEC_ADDR (0x31400000)
+#define CONFIG_SYS_FSL_MAX_NUM_OF_SEC	1
+
 #endif /* __ASM_ARCH_IMX8_REGS_H__ */
diff --git a/arch/arm/mach-imx/cmd_dek.c b/arch/arm/mach-imx/cmd_dek.c
index 89da89c51d..04c4b20a84 100644
--- a/arch/arm/mach-imx/cmd_dek.c
+++ b/arch/arm/mach-imx/cmd_dek.c
@@ -9,6 +9,7 @@
 #include <command.h>
 #include <log.h>
 #include <malloc.h>
+#include <memalign.h>
 #include <asm/byteorder.h>
 #include <linux/compiler.h>
 #include <fsl_sec.h>
diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig
index b43739e5c6..9a20ebe84e 100644
--- a/arch/arm/mach-imx/imx8/Kconfig
+++ b/arch/arm/mach-imx/imx8/Kconfig
@@ -8,6 +8,7 @@ config AHAB_BOOT
 
 config IMX8
 	bool
+	select HAS_CAAM
 
 config MU_BASE_SPL
 	hex "MU base address used in SPL"
@@ -72,6 +73,10 @@ config TARGET_IMX8QM_MEK
 	bool "Support i.MX8QM MEK board"
 	select BOARD_LATE_INIT
 	select IMX8QM
+	select FSL_CAAM
+	select FSL_BLOB
+	select ARCH_MISC_INIT
+	select SPL_CRYPTO if SPL
 
 config TARGET_CONGA_QMX8
 	bool "Support congatec conga-QMX8 board"
@@ -89,6 +94,10 @@ config TARGET_IMX8QXP_MEK
 	bool "Support i.MX8QXP MEK board"
 	select BOARD_LATE_INIT
 	select IMX8QXP
+	select FSL_CAAM
+	select FSL_BLOB
+	select ARCH_MISC_INIT
+	select SPL_CRYPTO if SPL
 
 endchoice
 
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c
index 02db322f51..5033beafd3 100644
--- a/arch/arm/mach-imx/imx8/cpu.c
+++ b/arch/arm/mach-imx/imx8/cpu.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright 2018 NXP
+ * Copyright 2018, 2021 NXP
  */
 
 #include <common.h>
@@ -89,6 +89,25 @@ int arch_cpu_init_dm(void)
 	return 0;
 }
 
+#if defined(CONFIG_ARCH_MISC_INIT)
+int arch_misc_init(void)
+{
+	struct udevice *dev;
+	int node, ret;
+
+	node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "fsl,sec-v4.0");
+
+	ret = uclass_get_device_by_of_offset(UCLASS_MISC, node, &dev);
+	if (ret) {
+		printf("could not get caam jr device %d\n", ret);
+		return ret;
+	}
+	device_probe(dev);
+
+	return 0;
+}
+#endif
+
 int print_bootinfo(void)
 {
 	enum boot_device bt_dev = get_boot_device();
diff --git a/board/freescale/imx8qm_mek/spl.c b/board/freescale/imx8qm_mek/spl.c
index 944ba745c0..532ae63bf2 100644
--- a/board/freescale/imx8qm_mek/spl.c
+++ b/board/freescale/imx8qm_mek/spl.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright 2018 NXP
+ * Copyright 2018, 2021 NXP
  *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -23,9 +23,17 @@ DECLARE_GLOBAL_DATA_PTR;
 void spl_board_init(void)
 {
 	struct udevice *dev;
+	int node, ret;
 
-	uclass_find_first_device(UCLASS_MISC, &dev);
+	node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "fsl,imx8-mu");
+
+	ret = uclass_get_device_by_of_offset(UCLASS_MISC, node, &dev);
+	if (ret) {
+		return;
+	}
+	device_probe(dev);
 
+	uclass_find_first_device(UCLASS_MISC, &dev);
 	for (; dev; uclass_find_next_device(&dev)) {
 		if (device_probe(dev))
 			continue;
diff --git a/board/freescale/imx8qxp_mek/spl.c b/board/freescale/imx8qxp_mek/spl.c
index ae6b64ff6e..b983a96fee 100644
--- a/board/freescale/imx8qxp_mek/spl.c
+++ b/board/freescale/imx8qxp_mek/spl.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright 2018 NXP
+ * Copyright 2018, 2021 NXP
  *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -38,9 +38,17 @@ static iomux_cfg_t usdhc2_sd_pwr[] = {
 void spl_board_init(void)
 {
 	struct udevice *dev;
+	int node, ret;
 
-	uclass_find_first_device(UCLASS_MISC, &dev);
+	node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "fsl,imx8-mu");
+
+	ret = uclass_get_device_by_of_offset(UCLASS_MISC, node, &dev);
+	if (ret) {
+		return;
+	}
+	device_probe(dev);
 
+	uclass_find_first_device(UCLASS_MISC, &dev);
 	for (; dev; uclass_find_next_device(&dev)) {
 		if (device_probe(dev))
 			continue;
diff --git a/drivers/crypto/fsl/Kconfig b/drivers/crypto/fsl/Kconfig
index 6d6c3f8d39..f550ab0e0a 100644
--- a/drivers/crypto/fsl/Kconfig
+++ b/drivers/crypto/fsl/Kconfig
@@ -9,7 +9,7 @@ config FSL_CAAM
 
 config CAAM_64BIT
 	bool
-	default y if PHYS_64BIT && !ARCH_IMX8M
+	default y if PHYS_64BIT && !ARCH_IMX8M && !ARCH_IMX8
 	help
 	  Select Crypto driver for 64 bits CAAM version
 
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c
index 1b027f253c..ef133b670a 100644
--- a/drivers/crypto/fsl/jr.c
+++ b/drivers/crypto/fsl/jr.c
@@ -25,6 +25,7 @@
 #include <linux/delay.h>
 #include <dm/root.h>
 #include <dm/device-internal.h>
+#include <power-domain.h>
 
 #define CIRC_CNT(head, tail, size)	(((head) - (tail)) & (size - 1))
 #define CIRC_SPACE(head, tail, size)	CIRC_CNT((tail), (head) + 1, (size))
@@ -786,6 +787,25 @@ int sec_init(void)
 	return sec_init_idx(0);
 }
 
+#ifdef CONFIG_ARCH_IMX8
+static int jr_power_on(int subnode)
+{
+#if CONFIG_IS_ENABLED(POWER_DOMAIN)
+	struct udevice __maybe_unused jr_dev;
+	struct power_domain pd;
+
+	dev_set_ofnode(&jr_dev, offset_to_ofnode(subnode));
+
+	/* Need to power on Job Ring before access it */
+	if (!power_domain_get(&jr_dev, &pd)) {
+		if (power_domain_on(&pd))
+			return -EINVAL;
+	}
+#endif
+	return 0;
+}
+#endif
+
 #if CONFIG_IS_ENABLED(DM)
 static int caam_jr_probe(struct udevice *dev)
 {
@@ -818,6 +838,10 @@ static int caam_jr_probe(struct udevice *dev)
 				jr_node = jr_node >> 4;
 			}
 			caam->jrid = jr_node - 1;
+#ifdef CONFIG_ARCH_IMX8
+			if (jr_power_on(subnode))
+				return -EINVAL;
+#endif
 			break;
 		}
 	}
diff --git a/include/fsl_sec.h b/include/fsl_sec.h
index c4121696f8..7b6e3e2c20 100644
--- a/include/fsl_sec.h
+++ b/include/fsl_sec.h
@@ -3,7 +3,7 @@
  * Common internal memory map for some Freescale SoCs
  *
  * Copyright 2014 Freescale Semiconductor, Inc.
- * Copyright 2018 NXP
+ * Copyright 2018, 2021 NXP
  */
 
 #ifndef __FSL_SEC_H
@@ -194,12 +194,10 @@ typedef struct ccsr_sec {
 #define SEC_CHAVID_LS_RNG_SHIFT		16
 #define SEC_CHAVID_RNG_LS_MASK		0x000f0000
 
-#define CONFIG_JRSTARTR_JR0		0x00000001
-
 struct jr_regs {
 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
-	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M))
+	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
 	u32 irba_l;
 	u32 irba_h;
 #else
@@ -214,7 +212,7 @@ struct jr_regs {
 	u32 irja;
 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
-	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M))
+	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
 	u32 orba_l;
 	u32 orba_h;
 #else
@@ -248,7 +246,7 @@ struct jr_regs {
 struct sg_entry {
 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
-	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M))
+	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
 	uint32_t addr_lo;	/* Memory Address - lo */
 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
 #else
@@ -268,7 +266,7 @@ struct sg_entry {
 };
 
 #if defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
-	defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M)
+	defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
 /* Job Ring Base Address */
 #define JR_BASE_ADDR(x) (CONFIG_SYS_FSL_SEC_ADDR + 0x1000 * (x + 1))
 /* Secure Memory Offset varies accross versions */
-- 
2.17.1



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