lantiq: copy target to kernel 4.19

This just copies the files from the kernel 4.14 specific folders into
the kernel 4.19 specific folder, no changes are done to the files in
this commit.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 220 insertions, 0 deletions

diff --git a/target/linux/lantiq/patches-4.19/0160-owrt-lantiq-multiple-flash.patch b/target/linux/lantiq/patches-4.19/0160-owrt-lantiq-multiple-flash.patch
new file mode 100644
index 0000000000..304ff4bac8
--- /dev/null
+++ b/target/linux/lantiq/patches-4.19/0160-owrt-lantiq-multiple-flash.patch
@@ -0,0 +1,220 @@
+--- a/drivers/mtd/maps/lantiq-flash.c
++++ b/drivers/mtd/maps/lantiq-flash.c
+@@ -19,6 +19,7 @@
+ #include <linux/mtd/cfi.h>
+ #include <linux/platform_device.h>
+ #include <linux/mtd/physmap.h>
++#include <linux/mtd/concat.h>
+ #include <linux/of.h>
+ 
+ #include <lantiq_soc.h>
+@@ -38,13 +39,16 @@ 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";
++static const char * const ltq_probe_types[] = { "cmdlinepart", "ofpart", NULL };
+ 
+ static map_word
+ ltq_read16(struct map_info *map, unsigned long adr)
+@@ -108,11 +112,43 @@ 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 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;
+ 
+ 	ltq_mtd = devm_kzalloc(&pdev->dev, sizeof(struct ltq_mtd), GFP_KERNEL);
+ 	if (!ltq_mtd)
+@@ -120,75 +156,89 @@ 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, &ltq_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;
++	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;
+ 	}
+ 
+-	ltq_mtd->mtd->dev.parent = &pdev->dev;
+-	mtd_set_of_node(ltq_mtd->mtd, pdev->dev.of_node);
+-
+-	cfi = ltq_mtd->map->fldrv_priv;
+-	cfi->addr_unlock1 ^= 1;
+-	cfi->addr_unlock2 ^= 1;
++	ltq_mtd->cmtd->dev.parent = &pdev->dev;
++	mtd_set_of_node(ltq_mtd->cmtd, pdev->dev.of_node);
+ 
+-	err = mtd_device_register(ltq_mtd->mtd, NULL, 0);
++	err = mtd_device_register(ltq_mtd->cmtd, 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" },
+ 	{},