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-rw-r--r--drivers/crypto/caam/Kconfig8
-rw-r--r--drivers/crypto/caam/ctrl.c4
-rw-r--r--drivers/crypto/caam/desc.h8
-rw-r--r--drivers/crypto/caam/regs.h19
4 files changed, 29 insertions, 10 deletions
diff --git a/drivers/crypto/caam/Kconfig b/drivers/crypto/caam/Kconfig
index 66ef0c09af73..5652a53415dc 100644
--- a/drivers/crypto/caam/Kconfig
+++ b/drivers/crypto/caam/Kconfig
@@ -112,6 +112,14 @@ config CRYPTO_DEV_FSL_CAAM_RNG_API
To compile this as a module, choose M here: the module
will be called caamrng.
+config CRYPTO_DEV_FSL_CAAM_IMX
+ def_bool SOC_IMX6 || SOC_IMX7D
+ depends on CRYPTO_DEV_FSL_CAAM
+
+config CRYPTO_DEV_FSL_CAAM_LE
+ def_bool CRYPTO_DEV_FSL_CAAM_IMX || SOC_LS1021A
+ depends on CRYPTO_DEV_FSL_CAAM
+
config CRYPTO_DEV_FSL_CAAM_DEBUG
bool "Enable debug output in CAAM driver"
depends on CRYPTO_DEV_FSL_CAAM
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 4f174ee8a347..81b552d1ad91 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -16,10 +16,10 @@
#include "error.h"
/*
- * ARM targets tend to have clock control subsystems that can
+ * i.MX targets tend to have clock control subsystems that can
* enable/disable clocking to our device.
*/
-#ifdef CONFIG_ARM
+#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_IMX
static inline struct clk *caam_drv_identify_clk(struct device *dev,
char *clk_name)
{
diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h
index 405acbf13dac..983d663ef671 100644
--- a/drivers/crypto/caam/desc.h
+++ b/drivers/crypto/caam/desc.h
@@ -23,12 +23,12 @@
#define SEC4_SG_OFFS_MASK 0x00001fff
struct sec4_sg_entry {
-#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
- dma_addr_t ptr;
-#else
+#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_IMX
u32 rsvd1;
dma_addr_t ptr;
-#endif
+#else
+ u64 ptr;
+#endif /* CONFIG_CRYPTO_DEV_FSL_CAAM_IMX */
u32 len;
u8 rsvd2;
u8 buf_pool_id;
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
index d7c3579af791..a8a79975682f 100644
--- a/drivers/crypto/caam/regs.h
+++ b/drivers/crypto/caam/regs.h
@@ -108,20 +108,31 @@
/*
* The only users of these wr/rd_reg64 functions is the Job Ring (JR).
- * The DMA address registers in the JR are a pair of 32-bit registers.
- * The layout is:
+ * The DMA address registers in the JR are handled differently depending on
+ * platform:
+ *
+ * 1. All BE CAAM platforms and i.MX platforms (LE CAAM):
*
* base + 0x0000 : most-significant 32 bits
* base + 0x0004 : least-significant 32 bits
*
* The 32-bit version of this core therefore has to write to base + 0x0004
- * to set the 32-bit wide DMA address. This seems to be independent of the
- * endianness of the written/read data.
+ * to set the 32-bit wide DMA address.
+ *
+ * 2. All other LE CAAM platforms (LS1021A etc.)
+ * base + 0x0000 : least-significant 32 bits
+ * base + 0x0004 : most-significant 32 bits
*/
#ifndef CONFIG_64BIT
+#if !defined(CONFIG_CRYPTO_DEV_FSL_CAAM_LE) || \
+ defined(CONFIG_CRYPTO_DEV_FSL_CAAM_IMX)
#define REG64_MS32(reg) ((u32 __iomem *)(reg))
#define REG64_LS32(reg) ((u32 __iomem *)(reg) + 1)
+#else
+#define REG64_MS32(reg) ((u32 __iomem *)(reg) + 1)
+#define REG64_LS32(reg) ((u32 __iomem *)(reg))
+#endif
static inline void wr_reg64(u64 __iomem *reg, u64 data)
{