Only OMAP3 would work.
Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
---
arch/arm/mach-omap2/devices.c | 103 +++++----------------------
arch/arm/mach-omap2/mailbox.c | 14 +---
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 45 ++++++++++++
arch/arm/plat-omap/include/plat/mailbox.h | 4 +
4 files changed, 72 insertions(+), 94 deletions(-)
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index d9ac853..89f6cbc 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -20,12 +20,14 @@
#include <asm/mach-types.h>
#include <asm/mach/map.h>
+#include <plat/omap_device.h>
#include <plat/control.h>
#include <plat/tc.h>
#include <plat/board.h>
#include <plat/mux.h>
#include <mach/gpio.h>
#include <plat/mmc.h>
+#include <plat/mailbox.h>
#include "mux.h"
@@ -137,95 +139,28 @@ static inline void omap_init_camera(void)
#endif
#if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
+static inline void omap_init_mbox(void)
+{
+ struct omap_hwmod *hwmod;
+ struct omap_device *odev;
+ struct omap_mbox_platform_data pdata;
-#define MBOX_REG_SIZE 0x120
-
-#ifdef CONFIG_ARCH_OMAP2
-static struct resource omap2_mbox_resources[] = {
- {
- .start = OMAP24XX_MAILBOX_BASE,
- .end = OMAP24XX_MAILBOX_BASE + MBOX_REG_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = INT_24XX_MAIL_U0_MPU,
- .flags = IORESOURCE_IRQ,
- .name = "dsp",
- },
- {
- .start = INT_24XX_MAIL_U3_MPU,
- .flags = IORESOURCE_IRQ,
- .name = "iva",
- },
-};
-static int omap2_mbox_resources_sz = ARRAY_SIZE(omap2_mbox_resources);
-#else
-#define omap2_mbox_resources NULL
-#define omap2_mbox_resources_sz 0
-#endif
-
-#ifdef CONFIG_ARCH_OMAP3
-static struct resource omap3_mbox_resources[] = {
- {
- .start = OMAP34XX_MAILBOX_BASE,
- .end = OMAP34XX_MAILBOX_BASE + MBOX_REG_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = INT_24XX_MAIL_U0_MPU,
- .flags = IORESOURCE_IRQ,
- .name = "dsp",
- },
-};
-static int omap3_mbox_resources_sz = ARRAY_SIZE(omap3_mbox_resources);
-#else
-#define omap3_mbox_resources NULL
-#define omap3_mbox_resources_sz 0
-#endif
-
-#ifdef CONFIG_ARCH_OMAP4
-
-#define OMAP4_MBOX_REG_SIZE 0x130
-static struct resource omap4_mbox_resources[] = {
- {
- .start = OMAP44XX_MAILBOX_BASE,
- .end = OMAP44XX_MAILBOX_BASE +
- OMAP4_MBOX_REG_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = OMAP44XX_IRQ_MAIL_U0,
- .flags = IORESOURCE_IRQ,
- .name = "mbox",
- },
-};
-static int omap4_mbox_resources_sz = ARRAY_SIZE(omap4_mbox_resources);
-#else
-#define omap4_mbox_resources NULL
-#define omap4_mbox_resources_sz 0
-#endif
+ hwmod = omap_hwmod_lookup("mailbox");
+ if (!hwmod) {
+ pr_err("%s: unable to find hwmod\n", __func__);
+ return;
+ }
-static struct platform_device mbox_device = {
- .name = "omap-mailbox",
- .id = -1,
-};
+ pdata.base_addr = hwmod->_rt_va;
-static inline void omap_init_mbox(void)
-{
- if (cpu_is_omap24xx()) {
- mbox_device.resource = omap2_mbox_resources;
- mbox_device.num_resources = omap2_mbox_resources_sz;
- } else if (cpu_is_omap34xx()) {
- mbox_device.resource = omap3_mbox_resources;
- mbox_device.num_resources = omap3_mbox_resources_sz;
- } else if (cpu_is_omap44xx()) {
- mbox_device.resource = omap4_mbox_resources;
- mbox_device.num_resources = omap4_mbox_resources_sz;
- } else {
- pr_err("%s: platform not supported\n", __func__);
+ odev = omap_device_build("omap-mailbox", -1, hwmod,
+ &pdata, sizeof(pdata),
+ NULL, 0,
+ 0);
+ if (!odev) {
+ pr_err("%s: could not build device\n", __func__);
return;
}
- platform_device_register(&mbox_device);
}
#else
static inline void omap_init_mbox(void) { }
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index d46e439..baaaa5a 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <plat/mailbox.h>
+#include <plat/omap_hwmod.h>
#include <mach/irqs.h>
#define MAILBOX_REVISION 0x000
@@ -388,11 +389,9 @@ struct omap_mbox *omap4_mboxes[] = { &mbox_1_info, &mbox_2_info, NULL };
static int __devinit omap2_mbox_probe(struct platform_device *pdev)
{
- struct resource *res;
int ret;
struct omap_mbox **list;
-
- res = pdev->resource;
+ struct omap_mbox_platform_data *pdata = pdev->dev.platform_data;
if (false);
#if defined(CONFIG_ARCH_OMAP3430)
@@ -423,15 +422,11 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
return -ENODEV;
}
- mbox_base = ioremap(res[0].start, resource_size(&res[0]));
- if (!mbox_base)
- return -ENOMEM;
+ mbox_base = pdata->base_addr;
ret = omap_mbox_register(&pdev->dev, list);
- if (ret) {
- iounmap(mbox_base);
+ if (ret)
return ret;
- }
return 0;
return ret;
@@ -440,7 +435,6 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
static int __devexit omap2_mbox_remove(struct platform_device *pdev)
{
omap_mbox_unregister();
- iounmap(mbox_base);
return 0;
}
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index ed60840..62b8fa8 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -164,12 +164,57 @@ static struct omap_hwmod omap3xxx_mpu_hwmod = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
+/* mailbox */
+
+static struct omap_hwmod_class omap3xxx_mailbox_hwmod_class = {
+ .name = "mailbox",
+};
+
+static struct omap_hwmod omap3xxx_mailbox_hwmod;
+static struct omap_hwmod_irq_info omap3xxx_mailbox_irqs[] = {
+ { .name = "dsp", .irq = 26 },
+};
+
+static struct omap_hwmod_addr_space omap3xxx_mailbox_addrs[] = {
+ {
+ .pa_start = 0x48094000,
+ .pa_end = 0x48094120,
+ .flags = ADDR_TYPE_RT
+ },
+};
+
+/* L4_CORE -> mailbox */
+static struct omap_hwmod_ocp_if omap3xxx_l4_core__mailbox = {
+ .master = &omap3xxx_l4_core_hwmod,
+ .slave = &omap3xxx_mailbox_hwmod,
+ .addr = omap3xxx_mailbox_addrs,
+ .addr_cnt = ARRAY_SIZE(omap3xxx_mailbox_addrs),
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* mailbox slave ports */
+static struct omap_hwmod_ocp_if *omap3xxx_mailbox_slaves[] = {
+ &omap3xxx_l4_core__mailbox,
+};
+
+static struct omap_hwmod omap3xxx_mailbox_hwmod = {
+ .name = "mailbox",
+ .class = &omap3xxx_mailbox_hwmod_class,
+ .main_clk = "mailboxes_ick",
+ .mpu_irqs = omap3xxx_mailbox_irqs,
+ .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_mailbox_irqs),
+ .slaves = omap3xxx_mailbox_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap3xxx_mailbox_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
&omap3xxx_l3_hwmod,
&omap3xxx_l4_core_hwmod,
&omap3xxx_l4_per_hwmod,
&omap3xxx_l4_wkup_hwmod,
&omap3xxx_mpu_hwmod,
+ &omap3xxx_mailbox_hwmod,
NULL,
};
diff --git a/arch/arm/plat-omap/include/plat/mailbox.h b/arch/arm/plat-omap/include/plat/mailbox.h
index 9976565..78060bd 100644
--- a/arch/arm/plat-omap/include/plat/mailbox.h
+++ b/arch/arm/plat-omap/include/plat/mailbox.h
@@ -59,6 +59,10 @@ struct omap_mbox {
void *priv;
};
+struct omap_mbox_platform_data {
+ void __iomem *base_addr;
+};
+
int omap_mbox_msg_send(struct omap_mbox *, mbox_msg_t msg);
void omap_mbox_init_seq(struct omap_mbox *);
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
