ARM: at91: introduce basic SAMA5D4 support
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b11ad54..7b44db2 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -101,6 +101,10 @@
bool "Kernel low-level debugging on 9263 and 9g45"
depends on HAVE_AT91_DBGU1
+ config AT91_DEBUG_LL_DBGU2
+ bool "Kernel low-level debugging on sama5d4"
+ depends on HAVE_AT91_DBGU2
+
config DEBUG_BCM2835
bool "Kernel low-level debugging on BCM2835 PL011 UART"
depends on ARCH_BCM2835
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 321210c..807b22da 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -12,6 +12,9 @@
config HAVE_AT91_DBGU1
bool
+config HAVE_AT91_DBGU2
+ bool
+
config AT91_USE_OLD_CLK
bool
@@ -106,6 +109,21 @@
help
Select this if you are using one of Atmel's SAMA5D3 family SoC.
This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
+
+config SOC_SAMA5D4
+ bool "SAMA5D4 family"
+ select SOC_SAMA5
+ select HAVE_AT91_DBGU2
+ select CLKSRC_MMIO
+ select CACHE_L2X0
+ select CACHE_PL310
+ select HAVE_FB_ATMEL
+ select HAVE_AT91_UTMI
+ select HAVE_AT91_SMD
+ select HAVE_AT91_USB_CLK
+ select HAVE_AT91_H32MX
+ help
+ Select this if you are using one of Atmel's SAMA5D4 family SoC.
endif
if SOC_SAM_V4_V5
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index c677f96..3e9f01c 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -23,6 +23,7 @@
obj-$(CONFIG_SOC_AT91SAM9X5) += at91sam9x5.o
obj-$(CONFIG_SOC_AT91SAM9RL) += at91sam9rl.o
obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o
+obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o
obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200_devices.o
obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260_devices.o
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index 86c71de..d77572e 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -86,6 +86,9 @@
/* SAMA5D3 */
AT91_SOC_SAMA5D3,
+ /* SAMA5D4 */
+ AT91_SOC_SAMA5D4,
+
/* Unknown type */
AT91_SOC_UNKNOWN,
};
@@ -211,6 +214,12 @@
#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 0000000..f256a45
--- /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
diff --git a/arch/arm/mach-at91/sama5d4.c b/arch/arm/mach-at91/sama5d4.c
new file mode 100644
index 0000000..f81f11e
--- /dev/null
+++ b/arch/arm/mach-at91/sama5d4.c
@@ -0,0 +1,36 @@
+/*
+ * Chip-specific setup code for the SAMA5D4 family
+ *
+ * Copyright (C) 2013 Atmel Corporation,
+ * Nicolas Ferre <nicolas.ferre@atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/dma-mapping.h>
+#include <linux/clk/at91_pmc.h>
+
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/sama5d4.h>
+#include <mach/cpu.h>
+#include <mach/hardware.h>
+
+#include "soc.h"
+#include "generic.h"
+#include "sam9_smc.h"
+
+/* --------------------------------------------------------------------
+ * Processor initialization
+ * -------------------------------------------------------------------- */
+
+static void __init sama5d4_map_io(void)
+{
+ at91_init_sram(0, SAMA5D4_NS_SRAM_BASE, SAMA5D4_NS_SRAM_SIZE);
+}
+
+AT91_SOC_START(sama5d4)
+ .map_io = sama5d4_map_io,
+AT91_SOC_END
diff --git a/arch/arm/mach-at91/soc.h b/arch/arm/mach-at91/soc.h
index a1e1482..8ecaee6 100644
--- a/arch/arm/mach-at91/soc.h
+++ b/arch/arm/mach-at91/soc.h
@@ -24,6 +24,7 @@
extern struct at91_init_soc at91sam9x5_soc;
extern struct at91_init_soc at91sam9n12_soc;
extern struct at91_init_soc sama5d3_soc;
+extern struct at91_init_soc sama5d4_soc;
#define AT91_SOC_START(_name) \
struct at91_init_soc __initdata _name##_soc \
@@ -74,3 +75,7 @@
#if !defined(CONFIG_SOC_SAMA5D3)
#define sama5d3_soc at91_boot_soc
#endif
+
+#if !defined(CONFIG_SOC_SAMA5D4)
+#define sama5d4_soc at91_boot_soc
+#endif