added device tree support for job ring driver.
sec is initialized based on job ring information processed
from device tree.
Signed-off-by: Gaurav Jain
---
cmd/Kconfig | 1 +
drivers/crypto/fsl/Kconfig | 7 +
drivers/crypto/fsl/Makefile | 2 +
drivers/crypto/fsl/jr.c | 314 +++-
drivers/crypto/fsl/jr.h | 14 ++
5 files changed, 229 insertions(+), 109 deletions(-)
diff --git a/cmd/Kconfig b/cmd/Kconfig
index ffef3cc76c..7e92e9df7d 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1985,6 +1985,7 @@ config CMD_AES
config CMD_BLOB
bool "Enable the 'blob' command"
+ select FSL_BLOB
depends on !MX6ULL && !MX6SLL && !MX6SL
select IMX_HAB if ARCH_MX6 || ARCH_MX7 || ARCH_MX7ULP || ARCH_IMX8M
help
diff --git a/drivers/crypto/fsl/Kconfig b/drivers/crypto/fsl/Kconfig
index 1f5dfb94bb..6d6c3f8d39 100644
--- a/drivers/crypto/fsl/Kconfig
+++ b/drivers/crypto/fsl/Kconfig
@@ -64,4 +64,11 @@ 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 FSL_BLOB
+bool "Enable Blob Encap/Decap, Blob KEK support"
+ help
+ Enable support for the hardware based crytographic blob encap/decap
+ module of the CAAM. blobs can be safely placed into non-volatile
+ storage. blobs can only be decapsulated by the SoC that created it.
+ Enable support for blob key encryption key generation.
endif
diff --git a/drivers/crypto/fsl/Makefile b/drivers/crypto/fsl/Makefile
index f9c3ccecfc..567ab6a821 100644
--- a/drivers/crypto/fsl/Makefile
+++ b/drivers/crypto/fsl/Makefile
@@ -1,10 +1,12 @@
# SPDX-License-Identifier: GPL-2.0+
#
# Copyright 2014 Freescale Semiconductor, Inc.
+# Copyright 2021 NXP
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_FSL_BLOB) += fsl_blob.o
obj-$(CONFIG_RSA_FREESCALE_EXP) += fsl_rsa.o
obj-$(CONFIG_FSL_CAAM_RNG) += rng.o
obj-$(CONFIG_FSL_MFGPROT) += fsl_mfgprot.o
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c
index 22b649219e..c5a8b0459e 100644
--- a/drivers/crypto/fsl/jr.c
+++ b/drivers/crypto/fsl/jr.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2008-2014 Freescale Semiconductor, Inc.
- * Copyright 2018 NXP
+ * Copyright 2018, 2021 NXP
*
* Based on CAAM driver in drivers/crypto/caam in Linux
*/
@@ -11,7 +11,6 @@
#include
#include
#include
-#include "fsl_sec.h"
#include "jr.h"
#include "jobdesc.h"
#include "desc_constr.h"
@@ -21,8 +20,11 @@
#include
#include
#endif
+#include
#include
#include
+#include
+#include
#define CIRC_CNT(head, tail, size) (((head) - (tail)) & (size - 1))
#define CIRC_SPACE(head, tail, size) CIRC_CNT((tail), (head) + 1, (size))
@@ -35,20 +37,30 @@ uint32_t sec_offset[CONFIG_SYS_FSL_MAX_NUM_OF_SEC] = {
#endif
};
+#if CONFIG_IS_ENABLED(DM)
+struct udevice *caam_dev;
+#else
#define SEC_ADDR(idx) \
(ulong)((CONFIG_SYS_FSL_SEC_ADDR + sec_offset[idx]))
#define SEC_JR0_ADDR(idx) \
(ulong)(SEC_ADDR(idx) + \
(CONFIG_SYS_FSL_JR0_OFFSET - CONFIG_SYS_FSL_SEC_OFFSET))
+struct caam_regs caam_st;
+#endif
-struct jobring jr0[CONFIG_SYS_FSL_MAX_NUM_OF_SEC];
+static inline u32 jr_start_reg(u8 jrid)
+{
+ return (1 << jrid);
+}
-static inline void start_jr0(uint8_t sec_idx)
+#ifndef CONFIG_ARCH_IMX8
+static inline void start_jr(struct caam_regs *caam)
{
- ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx);
+ ccsr_sec_t *sec = caam->sec;
u32 ctpr_ms = sec_in32(>ctpr_ms);
u32 scfgr = sec_in32(>scfgr);
+ u32 jrstart = jr_start_reg(caam->jrid);
if (ctpr_ms & SEC_CTPR_MS_VIRT_EN_INCL) {
/* VIRT_EN_INCL = 1 & VIRT_EN_POR = 1 or
@@ -56,23 +68,17 @@ static inline void start_jr0(uint8_t sec_idx)
*/
if ((ctpr_ms & SEC_CTPR_MS_VIRT_EN_POR) ||
(scfgr & SEC_SCFGR_VIRT_EN))
- sec_out32(>jrstartr, CONFIG_JRSTARTR_JR0);
+ sec_out32(>jrstartr, jrstart);
} else {
/* VIRT_EN_INCL = 0 && VIRT_EN_POR_VALUE = 1 */
if (ctpr_ms & SEC_CTPR_MS_VIRT_EN_POR)
- sec_out32(>jrstartr, CONFIG_JRSTARTR_JR0);
+ sec_out32(>jrstartr, jrstart);
}
}
+#endif
-static inline void jr_reset_liodn(uint8_t sec_idx)
-{
- ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx);
- sec_out32(>jrliodnr[0].ls, 0);
-}
-
-static inline void jr_disable_irq(uint8_t sec_idx)
+static inline void jr_disable_irq(struct jr_regs *regs)
{
- struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx);
uint32_t jrcfg = sec_in32(>jrcfg1);
jrcfg = jrcfg | JR_INTMASK;
@@ -80,10 +86,10 @@ static inline void
