[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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