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Diffstat (limited to 'target/linux/bcm53xx/patches-4.14/900-mtd-bcm47xxpart-add-device-specific-workarounds.patch')
-rw-r--r--target/linux/bcm53xx/patches-4.14/900-mtd-bcm47xxpart-add-device-specific-workarounds.patch56
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.14/900-mtd-bcm47xxpart-add-device-specific-workarounds.patch b/target/linux/bcm53xx/patches-4.14/900-mtd-bcm47xxpart-add-device-specific-workarounds.patch
new file mode 100644
index 0000000000..b4a25a39d0
--- /dev/null
+++ b/target/linux/bcm53xx/patches-4.14/900-mtd-bcm47xxpart-add-device-specific-workarounds.patch
@@ -0,0 +1,56 @@
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Subject: [PATCH] mtd: bcm47xxpart: add device specific workarounds
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+
+--- a/drivers/mtd/bcm47xxpart.c
++++ b/drivers/mtd/bcm47xxpart.c
+@@ -15,6 +15,7 @@
+ #include <linux/slab.h>
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/partitions.h>
++#include <linux/of.h>
+
+ #include <uapi/linux/magic.h>
+
+@@ -134,6 +135,36 @@ static int bcm47xxpart_parse(struct mtd_
+ break;
+ }
+
++ /*
++ * Device specific workarounds (hacks). We should use DT to
++ * define partitions but we need a working TRX firmware splitter
++ * first.
++ */
++ if (of_machine_is_compatible("asus,rt-ac87u") && offset == 0x7ec0000) {
++ /*
++ * "asus" partition uses JFFS2 which we don't detect and
++ * we don't want to as this could affect other devices.
++ */
++ bcm47xxpart_add_part(&parts[curr_part++], "asus", offset, MTD_WRITEABLE);
++ continue;
++ } else if (of_machine_is_compatible("tplink,archer-c5-v2") && offset == 0xe40000) {
++ /*
++ * There is a whole set of partitions (not even listed
++ * by original firmware): "default-mac", "pin",
++ * "partition-table", etc.
++ */
++ bcm47xxpart_add_part(&parts[curr_part++], "tplink", offset, MTD_WRITEABLE);
++ continue;
++ } else if (of_machine_is_compatible("tplink,archer-c9-v1") && offset == 0xe40000) {
++ /*
++ * There is a whole set of partitions (not even listed
++ * by original firmware): "default-mac", "pin",
++ * "partition-table", etc.
++ */
++ bcm47xxpart_add_part(&parts[curr_part++], "tplink", offset, MTD_WRITEABLE);
++ continue;
++ }
++
+ /* Read beginning of the block */
+ err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
+ &bytes_read, (uint8_t *)buf);