From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/mtd/parsers/ofpart_linksys_ns.c | 50 +++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 drivers/mtd/parsers/ofpart_linksys_ns.c (limited to 'drivers/mtd/parsers/ofpart_linksys_ns.c') diff --git a/drivers/mtd/parsers/ofpart_linksys_ns.c b/drivers/mtd/parsers/ofpart_linksys_ns.c new file mode 100644 index 0000000000..318c42d025 --- /dev/null +++ b/drivers/mtd/parsers/ofpart_linksys_ns.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 Rafał Miłecki + */ + +#include +#include +#include + +#include "ofpart_linksys_ns.h" + +#define NVRAM_BOOT_PART "bootpartition" + +static int ofpart_linksys_ns_bootpartition(void) +{ + char buf[4]; + int bootpartition; + + /* Check CFE environment variable */ + if (bcm47xx_nvram_getenv(NVRAM_BOOT_PART, buf, sizeof(buf)) > 0) { + if (!kstrtoint(buf, 0, &bootpartition)) + return bootpartition; + pr_warn("Failed to parse %s value \"%s\"\n", NVRAM_BOOT_PART, + buf); + } else { + pr_warn("Failed to get NVRAM \"%s\"\n", NVRAM_BOOT_PART); + } + + return 0; +} + +int linksys_ns_partitions_post_parse(struct mtd_info *mtd, + struct mtd_partition *parts, + int nr_parts) +{ + int bootpartition = ofpart_linksys_ns_bootpartition(); + int trx_idx = 0; + int i; + + for (i = 0; i < nr_parts; i++) { + if (of_device_is_compatible(parts[i].of_node, "linksys,ns-firmware")) { + if (trx_idx++ == bootpartition) + parts[i].name = "firmware"; + else + parts[i].name = "backup"; + } + } + + return 0; +} -- cgit v1.2.3