To make saic redirect code sharing with other SoCs, move the
saic redirect code from SAMA5D4 particular file,
mach-at91/armv7/sama5d4_devices.c to a separate file,
mach-at91/atmel_sfr.c
Move ATMEL_SFR_AICREDIR_KEY definition to sama5d4.h, because each
SoC has its own value.
Signed-off-by: Wenyou Yang
---
Changes in v2:
1./ split the version 1 [PATCH 2/3] into three patches for
more legible.
arch/arm/mach-at91/Makefile |2 +-
arch/arm/mach-at91/armv7/sama5d4_devices.c | 13 -
arch/arm/mach-at91/atmel_sfr.c | 21 +
arch/arm/mach-at91/include/mach/sama5_sfr.h |1 -
arch/arm/mach-at91/include/mach/sama5d4.h |3 +++
5 files changed, 25 insertions(+), 15 deletions(-)
create mode 100644 arch/arm/mach-at91/atmel_sfr.c
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 649aff2..ca60397 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -6,7 +6,7 @@ obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o
obj-$(CONFIG_AT91SAM9N12) += mpddrc.o spl_at91.o
obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o
obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o
-obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o matrix.o
+obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
obj-y += spl.o
endif
diff --git a/arch/arm/mach-at91/armv7/sama5d4_devices.c
b/arch/arm/mach-at91/armv7/sama5d4_devices.c
index 52f4862..ce33cd4 100644
--- a/arch/arm/mach-at91/armv7/sama5d4_devices.c
+++ b/arch/arm/mach-at91/armv7/sama5d4_devices.c
@@ -45,16 +45,3 @@ void at91_udp_hw_init(void)
at91_periph_clk_enable(ATMEL_ID_UDPHS);
}
#endif
-
-#ifdef CONFIG_SPL_BUILD
-void redirect_int_from_saic_to_aic(void)
-{
- struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
- u32 key32;
-
- if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) {
- key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY;
- writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir);
- }
-}
-#endif
diff --git a/arch/arm/mach-at91/atmel_sfr.c b/arch/arm/mach-at91/atmel_sfr.c
new file mode 100644
index 000..2bccb84
--- /dev/null
+++ b/arch/arm/mach-at91/atmel_sfr.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2015 Atmel Corporation
+ * Wenyou Yang
+ *
+ * SPDX-License-Identifier:GPL-2.0+
+ */
+
+#include
+#include
+#include
+
+void redirect_int_from_saic_to_aic(void)
+{
+ struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
+ u32 key32;
+
+ if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) {
+ key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY;
+ writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir);
+ }
+}
diff --git a/arch/arm/mach-at91/include/mach/sama5_sfr.h
b/arch/arm/mach-at91/include/mach/sama5_sfr.h
index 3081d37..7b19a20 100644
--- a/arch/arm/mach-at91/include/mach/sama5_sfr.h
+++ b/arch/arm/mach-at91/include/mach/sama5_sfr.h
@@ -32,7 +32,6 @@ struct atmel_sfr {
#define ATMEL_SFR_DDRCFG_FDQSIEN 0x0002
/* Bit field in AICREDIR */
-#define ATMEL_SFR_AICREDIR_KEY 0x5F67B102
#define ATMEL_SFR_AICREDIR_NSAIC 0x0001
#endif
diff --git a/arch/arm/mach-at91/include/mach/sama5d4.h
b/arch/arm/mach-at91/include/mach/sama5d4.h
index 449cf0e..90085da 100644
--- a/arch/arm/mach-at91/include/mach/sama5d4.h
+++ b/arch/arm/mach-at91/include/mach/sama5d4.h
@@ -204,6 +204,9 @@
#define H32MX_SLAVE_USB5 /* USB Device & Host */
#define H32MX_SLAVE_SMD6 /* Soft Modem (SMD) */
+/* AICREDIR Unlock Key */
+#define ATMEL_SFR_AICREDIR_KEY 0x5F67B102
+
/* sama5d4 series chip id definitions */
#define ARCH_ID_SAMA5D40x8a5c07c0
#define ARCH_EXID_SAMA5D41 0x0001
--
1.7.9.5
___
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