diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.18/417-MTD-bcm63xxpart-allow-passing-a-caldata-offset.patch')
-rw-r--r-- | target/linux/brcm63xx/patches-3.18/417-MTD-bcm63xxpart-allow-passing-a-caldata-offset.patch | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/target/linux/brcm63xx/patches-3.18/417-MTD-bcm63xxpart-allow-passing-a-caldata-offset.patch b/target/linux/brcm63xx/patches-3.18/417-MTD-bcm63xxpart-allow-passing-a-caldata-offset.patch deleted file mode 100644 index 3b02c072cd..0000000000 --- a/target/linux/brcm63xx/patches-3.18/417-MTD-bcm63xxpart-allow-passing-a-caldata-offset.patch +++ /dev/null @@ -1,120 +0,0 @@ -Allow bcm63xxpart to receive a caldata offset if calibration data is -contained in flash. ---- - drivers/mtd/bcm63xxpart.c | 51 ++++++++++++++++++++++++++++++++++++--- - include/linux/mtd/partitions.h | 2 + - 2 files changed, 49 insertions(+), 4 deletions(-) - ---- a/drivers/mtd/bcm63xxpart.c -+++ b/drivers/mtd/bcm63xxpart.c -@@ -53,10 +53,12 @@ static int bcm63xx_parse_cfe_partitions( - struct mtd_partition *parts; - int ret; - size_t retlen; -- unsigned int rootfsaddr, kerneladdr, spareaddr; -+ unsigned int rootfsaddr, kerneladdr, spareaddr, nvramaddr; - unsigned int rootfslen, kernellen, sparelen, totallen; - unsigned int cfelen, nvramlen; - unsigned int cfe_erasesize; -+ unsigned int caldatalen1 = 0, caldataaddr1 = 0; -+ unsigned int caldatalen2 = 0, caldataaddr2 = 0; - int i; - u32 computed_crc; - bool rootfs_first = false; -@@ -70,6 +72,24 @@ static int bcm63xx_parse_cfe_partitions( - cfelen = cfe_erasesize; - nvramlen = bcm63xx_nvram_get_psi_size() * SZ_1K; - nvramlen = roundup(nvramlen, cfe_erasesize); -+ nvramaddr = master->size - nvramlen; -+ -+ if (data) { -+ if (data->caldata[0]) { -+ caldatalen1 = cfe_erasesize; -+ caldataaddr1 = rounddown(data->caldata[0], -+ cfe_erasesize); -+ } -+ if (data->caldata[1]) { -+ caldatalen2 = cfe_erasesize; -+ caldataaddr2 = rounddown(data->caldata[1], -+ cfe_erasesize); -+ } -+ if (caldataaddr1 == caldataaddr2) { -+ caldataaddr2 = 0; -+ caldatalen2 = 0; -+ } -+ } - - /* Allocate memory for buffer */ - buf = vmalloc(sizeof(struct bcm_tag)); -@@ -121,7 +141,7 @@ static int bcm63xx_parse_cfe_partitions( - rootfsaddr = 0; - spareaddr = cfelen; - } -- sparelen = master->size - spareaddr - nvramlen; -+ sparelen = min_not_zero(nvramaddr, caldataaddr1) - spareaddr; - - /* Determine number of partitions */ - if (rootfslen > 0) -@@ -130,6 +150,12 @@ static int bcm63xx_parse_cfe_partitions( - if (kernellen > 0) - nrparts++; - -+ if (caldatalen1 > 0) -+ nrparts++; -+ -+ if (caldatalen2 > 0) -+ nrparts++; -+ - /* Ask kernel for more memory */ - parts = kzalloc(sizeof(*parts) * nrparts + 10 * nrparts, GFP_KERNEL); - if (!parts) { -@@ -167,15 +193,32 @@ static int bcm63xx_parse_cfe_partitions( - curpart++; - } - -+ if (caldatalen1 > 0) { -+ if (caldatalen2 > 0) -+ parts[curpart].name = "cal_data1"; -+ else -+ parts[curpart].name = "cal_data"; -+ parts[curpart].offset = caldataaddr1; -+ parts[curpart].size = caldatalen1; -+ curpart++; -+ } -+ -+ if (caldatalen2 > 0) { -+ parts[curpart].name = "cal_data2"; -+ parts[curpart].offset = caldataaddr2; -+ parts[curpart].size = caldatalen2; -+ curpart++; -+ } -+ - parts[curpart].name = "nvram"; -- parts[curpart].offset = master->size - nvramlen; -+ parts[curpart].offset = nvramaddr; - parts[curpart].size = nvramlen; - curpart++; - - /* Global partition "linux" to make easy firmware upgrade */ - parts[curpart].name = "linux"; - parts[curpart].offset = cfelen; -- parts[curpart].size = master->size - cfelen - nvramlen; -+ parts[curpart].size = min_not_zero(nvramaddr, caldataaddr1) - cfelen; - - for (i = 0; i < nrparts; i++) - pr_info("Partition %d is %s offset %llx and length %llx\n", i, ---- a/include/linux/mtd/partitions.h -+++ b/include/linux/mtd/partitions.h -@@ -56,10 +56,12 @@ struct device_node; - /** - * struct mtd_part_parser_data - used to pass data to MTD partition parsers. - * @origin: for RedBoot, start address of MTD device -+ * @caldata: for CFE, start address of wifi calibration data - * @of_node: for OF parsers, device node containing partitioning information - */ - struct mtd_part_parser_data { - unsigned long origin; -+ unsigned long caldata[2]; - struct device_node *of_node; - }; - |