sandbox: do not register device before barebox is started

This will crash when use registered bus with device registered to it.

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

arch/sandbox/board/Makefile

@@ -2,5 +2,6 @@ obj-y += board.o
 obj-y += clock.o
 obj-y += hostfile.o
 obj-y += console.o
+obj-y += devices.o
 
 extra-y += barebox.lds

arch/sandbox/board/console.c

@@ -47,6 +47,6 @@ int barebox_register_console(char *name, int stdinfd, int stdoutfd)
 	data->stdoutfd = stdoutfd;
 	data->stdinfd  = stdinfd;
 
-	return register_device(dev);
+	return sandbox_add_device(dev);
 }
 

arch/sandbox/board/devices.c

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Under GPLv2 only
+ */
+
+#include <common.h>
+#include <driver.h>
+#include <init.h>
+
+static LIST_HEAD(sandbox_device_list);
+
+int sandbox_add_device(struct device_d *dev)
+{
+	list_add(&dev->list, &sandbox_device_list);
+
+	return 0;
+}
+
+static int sandbox_device_init(void)
+{
+	struct device_d *dev, *tmp;
+
+	list_for_each_entry_safe(dev, tmp, &sandbox_device_list, list) {
+		/* reset the list_head before registering for real */
+		dev->list.prev = NULL;
+		dev->list.next = NULL;
+		register_device(dev);
+	}
+
+	return 0;
+}
+postcore_initcall(sandbox_device_init);

arch/sandbox/board/hostfile.c

@@ -102,7 +102,22 @@ device_initcall(hf_init);
 
 int barebox_register_filedev(struct hf_platform_data *hf)
 {
-	return !add_generic_device("hostfile", DEVICE_ID_DYNAMIC, NULL, hf->base, hf->size,
-			   IORESOURCE_MEM, hf);
+	struct device_d *dev;
+	struct resource *res;
+
+	dev = xzalloc(sizeof(*dev));
+	strcpy(dev->name, "hostfile");
+	dev->id = DEVICE_ID_DYNAMIC;
+	dev->platform_data = hf;
+
+	res = xzalloc(sizeof(struct resource));
+	res[0].start = hf->base;
+	res[0].end = hf->base + hf->size - 1;
+	res[0].flags = IORESOURCE_MEM;
+
+	dev->resource = res;
+	dev->num_resources = 1;
+
+	return sandbox_add_device(dev);
 }
 

arch/sandbox/mach-sandbox/include/mach/linux.h

@@ -1,6 +1,9 @@
 #ifndef __ASM_ARCH_LINUX_H
 #define __ASM_ARCH_LINUX_H
 
+struct device_d;
+
+int sandbox_add_device(struct device_d *dev);
 int linux_register_device(const char *name, void *start, void *end);
 int tap_alloc(char *dev);
 uint64_t linux_get_time(void);