omap: mailbox: Add resources and mailbox register base address for OMAP4 mailbox

This patch adds resource information of mailbox driver for
OMAP4 mailbox module. Register base address also added

Signed-off-by: C A Subramaniam <subramaniam.ca@ti.com>
Signed-off-by: Ramesh Gupta G <grgupta@ti.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 8b6cd8c..733d3dc 100644 (file)
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -136,9 +136,10 @@ static inline void omap_init_camera(void)
 
 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
 
-#define MBOX_REG_SIZE  0x120
+#define MBOX_REG_SIZE   0x120
 
-static struct resource omap2_mbox_resources[] = {
+#ifdef CONFIG_ARCH_OMAP2
+static struct resource omap_mbox_resources[] = {
        {
                .start          = OMAP24XX_MAILBOX_BASE,
                .end            = OMAP24XX_MAILBOX_BASE + MBOX_REG_SIZE - 1,
@@ -153,8 +154,10 @@ static struct resource omap2_mbox_resources[] = {
                .flags          = IORESOURCE_IRQ,
        },
 };
+#endif
 
-static struct resource omap3_mbox_resources[] = {
+#ifdef CONFIG_ARCH_OMAP3
+static struct resource omap_mbox_resources[] = {
        {
                .start          = OMAP34XX_MAILBOX_BASE,
                .end            = OMAP34XX_MAILBOX_BASE + MBOX_REG_SIZE - 1,
@@ -165,6 +168,24 @@ static struct resource omap3_mbox_resources[] = {
                .flags          = IORESOURCE_IRQ,
        },
 };
+#endif
+
+#ifdef CONFIG_ARCH_OMAP4
+
+#define OMAP4_MBOX_REG_SIZE    0x130
+static struct resource omap_mbox_resources[] = {
+       {
+               .start          = OMAP44XX_MAILBOX_BASE,
+               .end            = OMAP44XX_MAILBOX_BASE +
+                                       OMAP4_MBOX_REG_SIZE - 1,
+               .flags          = IORESOURCE_MEM,
+       },
+       {
+               .start          = INT_44XX_MAIL_U0_MPU,
+               .flags          = IORESOURCE_IRQ,
+       },
+};
+#endif
 
 static struct platform_device mbox_device = {
        .name           = "omap2-mailbox",
@@ -173,12 +194,9 @@ static struct platform_device mbox_device = {
 
 static inline void omap_init_mbox(void)
 {
-       if (cpu_is_omap2420()) {
-               mbox_device.num_resources = ARRAY_SIZE(omap2_mbox_resources);
-               mbox_device.resource = omap2_mbox_resources;
-       } else if (cpu_is_omap3430()) {
-               mbox_device.num_resources = ARRAY_SIZE(omap3_mbox_resources);
-               mbox_device.resource = omap3_mbox_resources;
+       if (cpu_is_omap2420() || cpu_is_omap3430() || cpu_is_omap44xx()) {
+               mbox_device.num_resources = ARRAY_SIZE(omap_mbox_resources);
+               mbox_device.resource = omap_mbox_resources;
        } else {
                pr_err("%s: platform not supported\n", __func__);
                return;

diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h
index 3361897..e52902a 100644 (file)
--- a/arch/arm/plat-omap/include/plat/omap44xx.h
+++ b/arch/arm/plat-omap/include/plat/omap44xx.h
@@ -40,5 +40,7 @@
 #define OMAP44XX_LOCAL_TWD_BASE                0x48240600
 #define OMAP44XX_WKUPGEN_BASE          0x48281000
 
+#define OMAP44XX_MAILBOX_BASE          (L4_44XX_BASE + 0xF4000)
+
 #endif /* __ASM_ARCH_OMAP44XX_H */