ARM: at91: introduce basic SAMA5D4 support

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

2 files changed, 42 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index 86c71debab5b..d77572e8cb15 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -86,6 +86,9 @@ enum at91_soc_type {
         /* SAMA5D3 */
         AT91_SOC_SAMA5D3,
 
+        /* SAMA5D4 */
+        AT91_SOC_SAMA5D4,
+
         /* Unknown type */
         AT91_SOC_UNKNOWN,
 };
@@ -211,6 +214,12 @@ static inline int at91_soc_is_detected(void)
 #define cpu_is_sama5d3()        (0)
 #endif
 
+#ifdef CONFIG_SOC_SAMA5D4
+#define cpu_is_sama5d4()        (at91_soc_initdata.type == AT91_SOC_SAMA5D4)
+#else
+#define cpu_is_sama5d4()        (0)
+#endif
+
 /*
  * Since this is ARM, we will never run on any AVR32 CPU. But these
  * definitions may reduce clutter in common drivers.
diff --git a/arch/arm/mach-at91/include/mach/sama5d4.h b/arch/arm/mach-at91/include/mach/sama5d4.h
new file mode 100644
index 000000000000..f256a45d9854
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/sama5d4.h
@@ -0,0 +1,33 @@
+/*
+ * Chip-specific header file for the SAMA5D4 family
+ *
+ *  Copyright (C) 2013 Atmel Corporation,
+ *                     Nicolas Ferre <nicolas.ferre@atmel.com>
+ *
+ * Common definitions.
+ * Based on SAMA5D4 datasheet.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#ifndef SAMA5D4_H
+#define SAMA5D4_H
+
+/*
+ * User Peripheral physical base addresses.
+ */
+#define SAMA5D4_BASE_USART3     0xfc00c000 /* (USART3 non-secure) Base Address */
+#define SAMA5D4_BASE_PMC        0xf0018000 /* (PMC) Base Address */
+#define SAMA5D4_BASE_MPDDRC     0xf0010000 /* (MPDDRC) Base Address */
+#define SAMA5D4_BASE_PIOD       0xfc068000 /* (PIOD) Base Address */
+
+/* Some other peripherals */
+#define SAMA5D4_BASE_SYS2       SAMA5D4_BASE_PIOD
+
+/*
+ * Internal Memory.
+ */
+#define SAMA5D4_NS_SRAM_BASE     0x00210000      /* Internal SRAM base address Non-Secure */
+#define SAMA5D4_NS_SRAM_SIZE     (64 * SZ_1K)   /* Internal SRAM size Non-Secure part (64Kb) */
+
+#endif