at91: add sram memory devices

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

7 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 8c198464bc..7032789b03 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -23,6 +23,8 @@
 void at91_add_device_sdram(u32 size)
 {
 	arm_add_mem_device("ram0", AT91_CHIPSELECT_1, size);
+	add_mem_device("sram0", AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE,
+			IORESOURCE_MEM_WRITEABLE);
 }
 
 /* --------------------------------------------------------------------
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 945530f5b1..25a68caedd 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -18,12 +18,24 @@
 #include <mach/at91sam9260_matrix.h>
 #include <mach/gpio.h>
 #include <mach/io.h>
+#include <mach/cpu.h>
 
 #include "generic.h"
 
 void at91_add_device_sdram(u32 size)
 {
 	arm_add_mem_device("ram0", AT91_CHIPSELECT_1, size);
+	if (cpu_is_at91sam9g20()) {
+		add_mem_device("sram0", AT91SAM9G20_SRAM0_BASE,
+			AT91SAM9G20_SRAM0_SIZE, IORESOURCE_MEM_WRITEABLE);
+		add_mem_device("sram1", AT91SAM9G20_SRAM1_BASE,
+			AT91SAM9G20_SRAM1_SIZE, IORESOURCE_MEM_WRITEABLE);
+	} else {
+		add_mem_device("sram0", AT91SAM9260_SRAM0_BASE,
+			AT91SAM9260_SRAM0_SIZE, IORESOURCE_MEM_WRITEABLE);
+		add_mem_device("sram1", AT91SAM9260_SRAM1_BASE,
+			AT91SAM9260_SRAM1_SIZE, IORESOURCE_MEM_WRITEABLE);
+	}
 }
 
 #if defined(CONFIG_USB_OHCI)
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 4fd3c79322..ff7a938109 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -18,12 +18,19 @@
 #include <mach/board.h>
 #include <mach/gpio.h>
 #include <mach/io.h>
+#include <mach/cpu.h>
 
 #include "generic.h"
 
 void at91_add_device_sdram(u32 size)
 {
 	arm_add_mem_device("ram0", AT91_CHIPSELECT_1, size);
+	if (cpu_is_at91sam9g10())
+		add_mem_device("sram0", AT91SAM9G10_SRAM_BASE,
+			AT91SAM9G10_SRAM_SIZE, IORESOURCE_MEM_WRITEABLE);
+	else
+		add_mem_device("sram0", AT91SAM9261_SRAM_BASE,
+			AT91SAM9261_SRAM_SIZE, IORESOURCE_MEM_WRITEABLE);
 }
 
 /* --------------------------------------------------------------------
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index bbadc5d7b2..d447e242bb 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -24,6 +24,10 @@
 void at91_add_device_sdram(u32 size)
 {
 	arm_add_mem_device("ram0", AT91_CHIPSELECT_1, size);
+	add_mem_device("sram0", AT91SAM9263_SRAM0_BASE,
+			AT91SAM9263_SRAM0_SIZE, IORESOURCE_MEM_WRITEABLE);
+	add_mem_device("sram1", AT91SAM9263_SRAM1_BASE,
+			AT91SAM9263_SRAM1_SIZE, IORESOURCE_MEM_WRITEABLE);
 }
 
 /* --------------------------------------------------------------------
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 1d47dcfa10..5f1a45a16d 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -24,6 +24,8 @@
 void at91_add_device_sdram(u32 size)
 {
 	arm_add_mem_device("ram0", AT91_CHIPSELECT_6, size);
+	add_mem_device("sram0", AT91SAM9G45_SRAM_BASE,
+			AT91SAM9G45_SRAM_SIZE, IORESOURCE_MEM_WRITEABLE);
 }
 
 /* --------------------------------------------------------------------
diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h
index 7d166b7a89..771e7563c9 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9260.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9260.h
@@ -126,6 +126,16 @@
 #define AT91SAM9XE_FLASH_BASE	0x00200000	/* Internal FLASH base address */
 #define AT91SAM9XE_SRAM_BASE	0x00300000	/* Internal SRAM base address */
 
+#define AT91SAM9G20_ROM_BASE	0x00100000	/* Internal ROM base address */
+#define AT91SAM9G20_ROM_SIZE	SZ_32K		/* Internal ROM size (32Kb) */
+
+#define AT91SAM9G20_SRAM0_BASE	0x00200000	/* Internal SRAM 0 base address */
+#define AT91SAM9G20_SRAM0_SIZE	SZ_16K		/* Internal SRAM 0 size (16Kb) */
+#define AT91SAM9G20_SRAM1_BASE	0x00300000	/* Internal SRAM 1 base address */
+#define AT91SAM9G20_SRAM1_SIZE	SZ_16K		/* Internal SRAM 1 size (16Kb) */
+
+#define AT91SAM9G20_UHP_BASE	0x00500000	/* USB Host controller */
+
 /*
  * Cpu Name
  */
diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h
index b303e07bbc..c863887326 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9261.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9261.h
@@ -95,6 +95,9 @@
 #define AT91SAM9261_SRAM_BASE	0x00300000	/* Internal SRAM base address */
 #define AT91SAM9261_SRAM_SIZE	0x00028000	/* Internal SRAM size (160Kb) */
 
+#define AT91SAM9G10_SRAM_BASE	AT91SAM9261_SRAM_BASE	/* Internal SRAM base address */
+#define AT91SAM9G10_SRAM_SIZE	0x00004000	/* Internal SRAM size (16Kb) */
+
 #define AT91SAM9261_ROM_BASE	0x00400000	/* Internal ROM base address */
 #define AT91SAM9261_ROM_SIZE	SZ_32K		/* Internal ROM size (32Kb) */