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of: make of_add_memory available for other board 

so when the first stage booloader of firmware provide the dtb
we can use it to probe the memory

also allow to print what we probe

Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2013-02-13 11:06:40 +01:00 committed by Sascha Hauer
parent a40e76cebc
commit 9acb6113f0
2 changed files with 20 additions and 6 deletions
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20
drivers/of/base.c
View File

@ -689,18 +689,23 @@ u64 dt_mem_next_cell(int s, const __be32 **cellp)
return of_read_number(p, s);
}
static int of_add_memory(struct device_node *node)
int of_add_memory(struct device_node *node, bool dump)
{
int na, nc;
const __be32 *reg, *endp;
int len, r = 0;
static char str[6];
struct property *type;
type = of_find_property(node, "device_type");
if (!type)
return -ENXIO;
of_bus_count_cells(node, &na, &nc);
reg = of_get_property(node, "reg", &len);
if (!reg)
return 0;
return -EINVAL;
endp = reg + (len / sizeof(__be32));
@ -717,6 +722,9 @@ static int of_add_memory(struct device_node *node)
barebox_add_memory_bank(str, base, size);
if (dump)
pr_info("%s: %s: 0x%llx@0x%llx\n", node->name, str, size, base);
r++;
}
@ -725,7 +733,7 @@ static int of_add_memory(struct device_node *node)
static int add_of_device_resource(struct device_node *node)
{
struct property *reg, *type;
struct property *reg;
u64 address, size;
struct resource *res;
struct device_d *dev;
@ -738,9 +746,9 @@ static int add_of_device_resource(struct device_node *node)
list_add_tail(&node->phandles, &phandle_list);
}
type = of_find_property(node, "device_type");
if (type)
return of_add_memory(node);
ret = of_add_memory(node, false);
if (ret != -ENXIO)
return ret;
reg = of_find_property(node, "reg");
if (!reg)

6
include/of.h
View File

@ -124,6 +124,7 @@ int of_alias_get_id(struct device_node *np, const char *stem);
int of_device_is_stdout_path(struct device_d *dev);
const char *of_get_model(void);
void *of_flatten_dtb(void);
int of_add_memory(struct device_node *node, bool dump);
#else
static inline int of_parse_partitions(const char *cdevname,
struct device_node *node)
@ -155,6 +156,11 @@ static inline void *of_flatten_dtb(void)
{
return NULL;
}
static inline int of_add_memory(struct device_node *node, bool dump)
{
return -EINVAL;
}
#endif
#endif /* __OF_H */