Add a helper function for boards to register their memory
devices. This makes the board code smaller and also helps
getting rid of map_base.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
commands/mem.c | 25 +++++++++++++++++++++++++
include/driver.h | 6 ++++++
2 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/commands/mem.c b/commands/mem.c
index 8df5f0a..745eec4 100644
--- a/commands/mem.c
+++ b/commands/mem.c
@@ -587,6 +587,31 @@ static struct file_operations memops = {
.lseek = dev_lseek_default,
};
+struct device_d *add_mem_device(const char *name, unsigned long start, size_t size,
+ unsigned int flags)
+{
+ struct device_d *dev;
+ struct memory_platform_data *pdata;
+
+ dev = xzalloc(sizeof(*dev));
+ strcpy(dev->name, "mem");
+ dev->id = -1;
+ dev->resource = xzalloc(sizeof(struct resource));
+ dev->num_resources = 1;
+ dev->resource[0].start = start;
+ dev->resource[0].size = size;
+ dev->resource[0].flags = IORESOURCE_MEM;
+ pdata = xzalloc(sizeof(*pdata));
+ dev->platform_data = pdata;
+
+ pdata->flags = flags;
+ pdata->name = xstrdup(name);
+
+ register_device(dev);
+
+ return dev;
+}
+
static int mem_probe(struct device_d *dev)
{
struct memory_platform_data *pdata = dev->platform_data;
diff --git a/include/driver.h b/include/driver.h
index 0fc254d..5d5544f 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -202,6 +202,12 @@ static inline void __iomem *dev_request_mem_region(struct device_d *dev, int num
return dev_get_mem_region(dev, num);
}
+/*
+ * register a memory device
+ */
+struct device_d *add_mem_device(const char *name, unsigned long start,
+ size_t size, unsigned int flags);
+
/* linear list over all available devices
*/
extern struct list_head device_list;
--
1.7.5.4
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