X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=target%2Flinux%2Flantiq%2Fpatches-4.1%2F0160-owrt-lantiq-multiple-flash.patch;fp=target%2Flinux%2Flantiq%2Fpatches-4.1%2F0160-owrt-lantiq-multiple-flash.patch;h=0000000000000000000000000000000000000000;hp=c09323104d1bc859ceec9e7e72bc86329b35d8ae;hb=e7846156f23b109fd8789d60a4827171b06553a7;hpb=9b4b2b4e17f10492798b14f7bb7e943ad86b4515 diff --git a/target/linux/lantiq/patches-4.1/0160-owrt-lantiq-multiple-flash.patch b/target/linux/lantiq/patches-4.1/0160-owrt-lantiq-multiple-flash.patch deleted file mode 100644 index c09323104d..0000000000 --- a/target/linux/lantiq/patches-4.1/0160-owrt-lantiq-multiple-flash.patch +++ /dev/null @@ -1,217 +0,0 @@ ---- a/drivers/mtd/maps/lantiq-flash.c -+++ b/drivers/mtd/maps/lantiq-flash.c -@@ -19,6 +19,7 @@ - #include - #include - #include -+#include - #include - - #include -@@ -38,10 +39,12 @@ enum { - LTQ_NOR_NORMAL - }; - -+#define MAX_RESOURCES 4 -+ - struct ltq_mtd { -- struct resource *res; -- struct mtd_info *mtd; -- struct map_info *map; -+ struct mtd_info *mtd[MAX_RESOURCES]; -+ struct mtd_info *cmtd; -+ struct map_info map[MAX_RESOURCES]; - }; - - static const char ltq_map_name[] = "ltq_nor"; -@@ -109,12 +112,44 @@ ltq_copy_to(struct map_info *map, unsign - } - - static int -+ltq_mtd_remove(struct platform_device *pdev) -+{ -+ struct ltq_mtd *ltq_mtd = platform_get_drvdata(pdev); -+ int i; -+ -+ if (ltq_mtd == NULL) -+ return 0; -+ -+ if (ltq_mtd->cmtd) { -+ mtd_device_unregister(ltq_mtd->cmtd); -+ if (ltq_mtd->cmtd != ltq_mtd->mtd[0]) -+ mtd_concat_destroy(ltq_mtd->cmtd); -+ } -+ -+ for (i = 0; i < MAX_RESOURCES; i++) { -+ if (ltq_mtd->mtd[i] != NULL) -+ map_destroy(ltq_mtd->mtd[i]); -+ } -+ -+ kfree(ltq_mtd); -+ -+ return 0; -+} -+ -+static int - ltq_mtd_probe(struct platform_device *pdev) - { - struct mtd_part_parser_data ppdata; - struct ltq_mtd *ltq_mtd; - struct cfi_private *cfi; -- int err; -+ int err = 0; -+ int i; -+ int devices_found = 0; -+ -+ static const char *rom_probe_types[] = { -+ "cfi_probe", "jedec_probe", NULL -+ }; -+ const char **type; - - if (of_machine_is_compatible("lantiq,falcon") && - (ltq_boot_select() != BS_FLASH)) { -@@ -128,76 +163,88 @@ ltq_mtd_probe(struct platform_device *pd - - platform_set_drvdata(pdev, ltq_mtd); - -- ltq_mtd->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -- if (!ltq_mtd->res) { -- dev_err(&pdev->dev, "failed to get memory resource\n"); -- return -ENOENT; -+ for (i = 0; i < pdev->num_resources; i++) { -+ printk(KERN_NOTICE "lantiq nor flash device: %.8llx at %.8llx\n", -+ (unsigned long long)resource_size(&pdev->resource[i]), -+ (unsigned long long)pdev->resource[i].start); -+ -+ if (!devm_request_mem_region(&pdev->dev, -+ pdev->resource[i].start, -+ resource_size(&pdev->resource[i]), -+ dev_name(&pdev->dev))) { -+ dev_err(&pdev->dev, "Could not reserve memory region\n"); -+ return -ENOMEM; -+ } -+ -+ ltq_mtd->map[i].name = ltq_map_name; -+ ltq_mtd->map[i].bankwidth = 2; -+ ltq_mtd->map[i].read = ltq_read16; -+ ltq_mtd->map[i].write = ltq_write16; -+ ltq_mtd->map[i].copy_from = ltq_copy_from; -+ ltq_mtd->map[i].copy_to = ltq_copy_to; -+ -+ if (of_find_property(pdev->dev.of_node, "lantiq,noxip", NULL)) -+ ltq_mtd->map[i].phys = NO_XIP; -+ else -+ ltq_mtd->map[i].phys = pdev->resource[i].start; -+ ltq_mtd->map[i].size = resource_size(&pdev->resource[i]); -+ ltq_mtd->map[i].virt = devm_ioremap(&pdev->dev, pdev->resource[i].start, -+ ltq_mtd->map[i].size); -+ if (IS_ERR(ltq_mtd->map[i].virt)) -+ return PTR_ERR(ltq_mtd->map[i].virt); -+ -+ if (ltq_mtd->map[i].virt == NULL) { -+ dev_err(&pdev->dev, "Failed to ioremap flash region\n"); -+ err = PTR_ERR(ltq_mtd->map[i].virt); -+ goto err_out; -+ } -+ -+ ltq_mtd->map[i].map_priv_1 = LTQ_NOR_PROBING; -+ for (type = rom_probe_types; !ltq_mtd->mtd[i] && *type; type++) -+ ltq_mtd->mtd[i] = do_map_probe(*type, <q_mtd->map[i]); -+ ltq_mtd->map[i].map_priv_1 = LTQ_NOR_NORMAL; -+ -+ if (!ltq_mtd->mtd[i]) { -+ dev_err(&pdev->dev, "probing failed\n"); -+ return -ENXIO; -+ } else { -+ devices_found++; -+ } -+ -+ ltq_mtd->mtd[i]->owner = THIS_MODULE; -+ ltq_mtd->mtd[i]->dev.parent = &pdev->dev; -+ -+ cfi = ltq_mtd->map[i].fldrv_priv; -+ cfi->addr_unlock1 ^= 1; -+ cfi->addr_unlock2 ^= 1; - } - -- ltq_mtd->map = devm_kzalloc(&pdev->dev, sizeof(struct map_info), -- GFP_KERNEL); -- if (!ltq_mtd->map) -- return -ENOMEM; -- -- if (of_find_property(pdev->dev.of_node, "lantiq,noxip", NULL)) -- ltq_mtd->map->phys = NO_XIP; -- else -- ltq_mtd->map->phys = ltq_mtd->res->start; -- ltq_mtd->res->start; -- ltq_mtd->map->size = resource_size(ltq_mtd->res); -- ltq_mtd->map->virt = devm_ioremap_resource(&pdev->dev, ltq_mtd->res); -- if (IS_ERR(ltq_mtd->map->virt)) -- return PTR_ERR(ltq_mtd->map->virt); -- -- ltq_mtd->map->name = ltq_map_name; -- ltq_mtd->map->bankwidth = 2; -- ltq_mtd->map->read = ltq_read16; -- ltq_mtd->map->write = ltq_write16; -- ltq_mtd->map->copy_from = ltq_copy_from; -- ltq_mtd->map->copy_to = ltq_copy_to; -- -- ltq_mtd->map->map_priv_1 = LTQ_NOR_PROBING; -- ltq_mtd->mtd = do_map_probe("cfi_probe", ltq_mtd->map); -- ltq_mtd->map->map_priv_1 = LTQ_NOR_NORMAL; -- -- if (!ltq_mtd->mtd) { -- dev_err(&pdev->dev, "probing failed\n"); -- return -ENXIO; -- } -- -- ltq_mtd->mtd->owner = THIS_MODULE; -- -- cfi = ltq_mtd->map->fldrv_priv; -- cfi->addr_unlock1 ^= 1; -- cfi->addr_unlock2 ^= 1; -+ if (devices_found == 1) { -+ ltq_mtd->cmtd = ltq_mtd->mtd[0]; -+ } else if (devices_found > 1) { -+ /* -+ * We detected multiple devices. Concatenate them together. -+ */ -+ ltq_mtd->cmtd = mtd_concat_create(ltq_mtd->mtd, devices_found, dev_name(&pdev->dev)); -+ if (ltq_mtd->cmtd == NULL) -+ err = -ENXIO; -+ } - - ppdata.of_node = pdev->dev.of_node; -- err = mtd_device_parse_register(ltq_mtd->mtd, ltq_probe_types, -+ err = mtd_device_parse_register(ltq_mtd->cmtd, ltq_probe_types, - &ppdata, NULL, 0); - if (err) { - dev_err(&pdev->dev, "failed to add partitions\n"); -- goto err_destroy; -+ goto err_out; - } - - return 0; - --err_destroy: -- map_destroy(ltq_mtd->mtd); -+err_out: -+ ltq_mtd_remove(pdev); - return err; - } - --static int --ltq_mtd_remove(struct platform_device *pdev) --{ -- struct ltq_mtd *ltq_mtd = platform_get_drvdata(pdev); -- -- if (ltq_mtd && ltq_mtd->mtd) { -- mtd_device_unregister(ltq_mtd->mtd); -- map_destroy(ltq_mtd->mtd); -- } -- return 0; --} -- - static const struct of_device_id ltq_mtd_match[] = { - { .compatible = "lantiq,nor" }, - {},