[PATCH 05/12] at91: add sram memory devices
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Sat Dec 31 10:21:31 EST 2011
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
arch/arm/mach-at91/at91rm9200_devices.c | 2 ++
arch/arm/mach-at91/at91sam9260_devices.c | 12 ++++++++++++
arch/arm/mach-at91/at91sam9261_devices.c | 7 +++++++
arch/arm/mach-at91/at91sam9263_devices.c | 4 ++++
arch/arm/mach-at91/at91sam9g45_devices.c | 2 ++
arch/arm/mach-at91/include/mach/at91sam9260.h | 10 ++++++++++
arch/arm/mach-at91/include/mach/at91sam9261.h | 3 +++
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 8c19846..7032789 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 945530f..25a68ca 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 4fd3c79..ff7a938 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 bbadc5d..d447e24 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 1d47dcf..5f1a45a 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 7d166b7..771e756 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 b303e07..c863887 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) */
--
1.7.7
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