brcm63xx: enhance dt partitions support to match upstream more closely
Partitions are supposed to be enclosed in an extra partitions node. Allow the bcm63xxpart parser to cope with that. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
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a41ad1b6f6
commit
85f31afa88
1 changed files with 19 additions and 9 deletions
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@ -89,7 +89,7 @@
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}
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} else {
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pr_warn("CFE boot tag CRC invalid (expected %08x, actual %08x)\n",
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@@ -119,23 +108,139 @@ static int bcm63xx_parse_cfe_partitions(
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@@ -119,23 +108,145 @@ static int bcm63xx_parse_cfe_partitions(
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kernellen = 0;
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rootfslen = 0;
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rootfsaddr = 0;
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@ -133,14 +133,18 @@
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+ struct mtd_partition **pparts,
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+ struct mtd_part_parser_data *data)
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+{
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+ struct device_node *dp = mtd_get_of_node(master);
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+ struct device_node *dp, *mtd_node = mtd_get_of_node(master);
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+ struct device_node *pp;
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+ int i, nr_parts = 0;
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+ const char *partname;
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+ int len;
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+
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+ dp = of_get_child_by_name(mtd_node, "partitions");
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+ if (!dp)
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+ dp = mtd_node;
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+
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+ for_each_child_of_node(dp, pp) {
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+ if (node_has_compatible(pp))
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+ if (node_has_compatible(pp) && dp == mtd_node)
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+ continue;
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+
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+ if (!of_get_property(pp, "reg", &len))
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@ -150,7 +154,8 @@
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+ if (!partname)
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+ partname = of_get_property(pp, "name", &len);
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+
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+ if (!strcmp(partname, "linux"))
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+ if (!strcmp(partname, "linux") ||
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+ of_device_is_compatible(pp, "brcm,bcm963xx-imagetag"))
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+ nr_parts += 2;
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+
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+ nr_parts++;
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@ -166,7 +171,7 @@
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+ int a_cells, s_cells;
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+ size_t size, offset;
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+
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+ if (node_has_compatible(pp))
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+ if (node_has_compatible(pp) && dp == mtd_node)
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+ continue;
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+
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+ reg = of_get_property(pp, "reg", &len);
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@ -181,7 +186,8 @@
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+ if (!partname)
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+ partname = of_get_property(pp, "name", &len);
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+
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+ if (!strcmp(partname, "linux"))
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+ if (!strcmp(partname, "linux") ||
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+ of_device_is_compatible(pp, "brcm,bcm963xx-imagetag"))
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+ i += parse_bcmtag(master, *pparts, i, offset, size);
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+
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+ if (of_get_property(pp, "read-only", &len))
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@ -239,7 +245,7 @@
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/* Start building partition list */
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parts[curpart].name = "CFE";
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@@ -143,29 +248,7 @@ static int bcm63xx_parse_cfe_partitions(
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@@ -143,29 +254,7 @@ static int bcm63xx_parse_cfe_partitions(
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parts[curpart].size = cfelen;
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curpart++;
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@ -270,7 +276,7 @@
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parts[curpart].name = "nvram";
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parts[curpart].offset = master->size - nvramlen;
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@@ -174,25 +257,33 @@ static int bcm63xx_parse_cfe_partitions(
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@@ -174,25 +263,37 @@ static int bcm63xx_parse_cfe_partitions(
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/* Global partition "linux" to make easy firmware upgrade */
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parts[curpart].name = "linux";
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@ -299,7 +305,11 @@
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+ struct mtd_partition **pparts,
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+ struct mtd_part_parser_data *data)
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+{
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+ if (mtd_get_of_node(master) && of_get_child_count(mtd_get_of_node(master)))
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+ struct device_node *np, *mtd_node = mtd_get_of_node(master);
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+ np = of_get_child_by_name(mtd_node, "partitions");
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+
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+ if ((np && of_device_is_compatible(np, "fixed-partitions")) ||
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+ (!np && of_get_child_count(mtd_node)))
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+ return bcm63xx_parse_cfe_partitions_of(master, pparts, data);
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+ else
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+ return bcm63xx_parse_cfe_partitions(master, pparts, data);
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