obj-$(CONFIG_MTD_CK804XROM) += ck804xrom.o
obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o
obj-$(CONFIG_MTD_PXA2XX) += pxa2xx-flash.o
+physmap-objs-y += physmap-core.o
+physmap-objs := $(physmap-objs-y)
obj-$(CONFIG_MTD_PHYSMAP) += physmap.o
physmap_of-objs-y += physmap_of_core.o
physmap_of-objs-$(CONFIG_MTD_PHYSMAP_OF_VERSATILE) += physmap_of_versatile.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Normal mappings of chips in physical memory
+ *
+ * Copyright (C) 2003 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * 031022 - [jsun] add run-time configure and partition setup
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/concat.h>
+#include <linux/io.h>
+
+struct physmap_flash_info {
+ unsigned int nmaps;
+ struct mtd_info **mtds;
+ struct mtd_info *cmtd;
+ struct map_info *maps;
+ spinlock_t vpp_lock;
+ int vpp_refcnt;
+};
+
+static int physmap_flash_remove(struct platform_device *dev)
+{
+ struct physmap_flash_info *info;
+ struct physmap_flash_data *physmap_data;
+ int i, err;
+
+ info = platform_get_drvdata(dev);
+ if (!info)
+ return 0;
+
+ physmap_data = dev_get_platdata(&dev->dev);
+
+ if (info->cmtd) {
+ err = mtd_device_unregister(info->cmtd);
+ if (err)
+ return err;
+
+ if (info->cmtd != info->mtds[0])
+ mtd_concat_destroy(info->cmtd);
+ }
+
+ for (i = 0; i < info->nmaps; i++) {
+ if (info->mtds[i])
+ map_destroy(info->mtds[i]);
+ }
+
+ if (physmap_data->exit)
+ physmap_data->exit(dev);
+
+ return 0;
+}
+
+static void physmap_set_vpp(struct map_info *map, int state)
+{
+ struct platform_device *pdev;
+ struct physmap_flash_data *physmap_data;
+ struct physmap_flash_info *info;
+ unsigned long flags;
+
+ pdev = (struct platform_device *)map->map_priv_1;
+ physmap_data = dev_get_platdata(&pdev->dev);
+
+ if (!physmap_data->set_vpp)
+ return;
+
+ info = platform_get_drvdata(pdev);
+
+ spin_lock_irqsave(&info->vpp_lock, flags);
+ if (state) {
+ if (++info->vpp_refcnt == 1) /* first nested 'on' */
+ physmap_data->set_vpp(pdev, 1);
+ } else {
+ if (--info->vpp_refcnt == 0) /* last nested 'off' */
+ physmap_data->set_vpp(pdev, 0);
+ }
+ spin_unlock_irqrestore(&info->vpp_lock, flags);
+}
+
+static const char * const rom_probe_types[] = {
+ "cfi_probe", "jedec_probe", "qinfo_probe", "map_rom", NULL
+};
+
+static const char * const part_probe_types[] = {
+ "cmdlinepart", "RedBoot", "afs", NULL
+};
+
+static int physmap_flash_probe(struct platform_device *dev)
+{
+ struct physmap_flash_data *physmap_data;
+ struct physmap_flash_info *info;
+ const char * const *probe_type;
+ const char * const *part_types;
+ int err = 0;
+ int i;
+
+ physmap_data = dev_get_platdata(&dev->dev);
+ if (!physmap_data)
+ return -ENODEV;
+
+ info = devm_kzalloc(&dev->dev, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ while (platform_get_resource(dev, IORESOURCE_MEM, info->nmaps))
+ info->nmaps++;
+
+ if (!info->nmaps)
+ return -ENODEV;
+
+ info->maps = devm_kzalloc(&dev->dev,
+ sizeof(*info->maps) * info->nmaps,
+ GFP_KERNEL);
+ if (!info->maps)
+ return -ENOMEM;
+
+ info->mtds = devm_kzalloc(&dev->dev,
+ sizeof(*info->mtds) * info->nmaps,
+ GFP_KERNEL);
+ if (!info->mtds)
+ return -ENOMEM;
+
+ if (physmap_data->init) {
+ err = physmap_data->init(dev);
+ if (err)
+ goto err_out;
+ }
+
+ platform_set_drvdata(dev, info);
+
+ for (i = 0; i < info->nmaps; i++) {
+ struct resource *res;
+
+ res = platform_get_resource(dev, IORESOURCE_MEM, i);
+ info->maps[i].virt = devm_ioremap_resource(&dev->dev, res);
+ if (IS_ERR(info->maps[i].virt)) {
+ err = PTR_ERR(info->maps[i].virt);
+ goto err_out;
+ }
+
+ dev_notice(&dev->dev, "physmap platform flash device: %pR\n",
+ res);
+
+ info->maps[i].name = dev_name(&dev->dev);
+ info->maps[i].phys = res->start;
+ info->maps[i].size = resource_size(res);
+ info->maps[i].bankwidth = physmap_data->width;
+ info->maps[i].set_vpp = physmap_set_vpp;
+ info->maps[i].pfow_base = physmap_data->pfow_base;
+ info->maps[i].map_priv_1 = (unsigned long)dev;
+
+ simple_map_init(&info->maps[i]);
+
+ probe_type = rom_probe_types;
+ if (!physmap_data->probe_type) {
+ for (; !info->mtds[i] && *probe_type; probe_type++)
+ info->mtds[i] = do_map_probe(*probe_type,
+ &info->maps[i]);
+ } else {
+ info->mtds[i] = do_map_probe(physmap_data->probe_type,
+ &info->maps[i]);
+ }
+
+ if (!info->mtds[i]) {
+ dev_err(&dev->dev, "map_probe failed\n");
+ err = -ENXIO;
+ goto err_out;
+ }
+ info->mtds[i]->dev.parent = &dev->dev;
+ }
+
+ if (info->nmaps == 1) {
+ info->cmtd = info->mtds[0];
+ } else {
+ /*
+ * We detected multiple devices. Concatenate them together.
+ */
+ info->cmtd = mtd_concat_create(info->mtds, info->nmaps,
+ dev_name(&dev->dev));
+ if (!info->cmtd)
+ err = -ENXIO;
+ }
+ if (err)
+ goto err_out;
+
+ spin_lock_init(&info->vpp_lock);
+
+ part_types = physmap_data->part_probe_types ? : part_probe_types;
+
+ err = mtd_device_parse_register(info->cmtd, part_types, NULL,
+ physmap_data->parts,
+ physmap_data->nr_parts);
+ if (err)
+ goto err_out;
+
+ return 0;
+
+err_out:
+ physmap_flash_remove(dev);
+ return err;
+}
+
+#ifdef CONFIG_PM
+static void physmap_flash_shutdown(struct platform_device *dev)
+{
+ struct physmap_flash_info *info = platform_get_drvdata(dev);
+ int i;
+
+ for (i = 0; i < info->nmaps && info->mtds[i]; i++)
+ if (mtd_suspend(info->mtds[i]) == 0)
+ mtd_resume(info->mtds[i]);
+}
+#else
+#define physmap_flash_shutdown NULL
+#endif
+
+static struct platform_driver physmap_flash_driver = {
+ .probe = physmap_flash_probe,
+ .remove = physmap_flash_remove,
+ .shutdown = physmap_flash_shutdown,
+ .driver = {
+ .name = "physmap-flash",
+ },
+};
+
+#ifdef CONFIG_MTD_PHYSMAP_COMPAT
+static struct physmap_flash_data physmap_flash_data = {
+ .width = CONFIG_MTD_PHYSMAP_BANKWIDTH,
+};
+
+static struct resource physmap_flash_resource = {
+ .start = CONFIG_MTD_PHYSMAP_START,
+ .end = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device physmap_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &physmap_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &physmap_flash_resource,
+};
+#endif
+
+static int __init physmap_init(void)
+{
+ int err;
+
+ err = platform_driver_register(&physmap_flash_driver);
+#ifdef CONFIG_MTD_PHYSMAP_COMPAT
+ if (err == 0) {
+ err = platform_device_register(&physmap_flash);
+ if (err)
+ platform_driver_unregister(&physmap_flash_driver);
+ }
+#endif
+
+ return err;
+}
+
+static void __exit physmap_exit(void)
+{
+#ifdef CONFIG_MTD_PHYSMAP_COMPAT
+ platform_device_unregister(&physmap_flash);
+#endif
+ platform_driver_unregister(&physmap_flash_driver);
+}
+
+module_init(physmap_init);
+module_exit(physmap_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
+MODULE_DESCRIPTION("Generic configurable MTD map driver");
+
+/* legacy platform drivers can't hotplug or coldplg */
+#ifndef CONFIG_MTD_PHYSMAP_COMPAT
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:physmap-flash");
+#endif
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Normal mappings of chips in physical memory
- *
- * Copyright (C) 2003 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * 031022 - [jsun] add run-time configure and partition setup
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/physmap.h>
-#include <linux/mtd/concat.h>
-#include <linux/io.h>
-
-struct physmap_flash_info {
- unsigned int nmaps;
- struct mtd_info **mtds;
- struct mtd_info *cmtd;
- struct map_info *maps;
- spinlock_t vpp_lock;
- int vpp_refcnt;
-};
-
-static int physmap_flash_remove(struct platform_device *dev)
-{
- struct physmap_flash_info *info;
- struct physmap_flash_data *physmap_data;
- int i, err;
-
- info = platform_get_drvdata(dev);
- if (!info)
- return 0;
-
- physmap_data = dev_get_platdata(&dev->dev);
-
- if (info->cmtd) {
- err = mtd_device_unregister(info->cmtd);
- if (err)
- return err;
-
- if (info->cmtd != info->mtds[0])
- mtd_concat_destroy(info->cmtd);
- }
-
- for (i = 0; i < info->nmaps; i++) {
- if (info->mtds[i])
- map_destroy(info->mtds[i]);
- }
-
- if (physmap_data->exit)
- physmap_data->exit(dev);
-
- return 0;
-}
-
-static void physmap_set_vpp(struct map_info *map, int state)
-{
- struct platform_device *pdev;
- struct physmap_flash_data *physmap_data;
- struct physmap_flash_info *info;
- unsigned long flags;
-
- pdev = (struct platform_device *)map->map_priv_1;
- physmap_data = dev_get_platdata(&pdev->dev);
-
- if (!physmap_data->set_vpp)
- return;
-
- info = platform_get_drvdata(pdev);
-
- spin_lock_irqsave(&info->vpp_lock, flags);
- if (state) {
- if (++info->vpp_refcnt == 1) /* first nested 'on' */
- physmap_data->set_vpp(pdev, 1);
- } else {
- if (--info->vpp_refcnt == 0) /* last nested 'off' */
- physmap_data->set_vpp(pdev, 0);
- }
- spin_unlock_irqrestore(&info->vpp_lock, flags);
-}
-
-static const char * const rom_probe_types[] = {
- "cfi_probe", "jedec_probe", "qinfo_probe", "map_rom", NULL
-};
-
-static const char * const part_probe_types[] = {
- "cmdlinepart", "RedBoot", "afs", NULL
-};
-
-static int physmap_flash_probe(struct platform_device *dev)
-{
- struct physmap_flash_data *physmap_data;
- struct physmap_flash_info *info;
- const char * const *probe_type;
- const char * const *part_types;
- int err = 0;
- int i;
-
- physmap_data = dev_get_platdata(&dev->dev);
- if (!physmap_data)
- return -ENODEV;
-
- info = devm_kzalloc(&dev->dev, sizeof(*info), GFP_KERNEL);
- if (!info)
- return -ENOMEM;
-
- while (platform_get_resource(dev, IORESOURCE_MEM, info->nmaps))
- info->nmaps++;
-
- if (!info->nmaps)
- return -ENODEV;
-
- info->maps = devm_kzalloc(&dev->dev,
- sizeof(*info->maps) * info->nmaps,
- GFP_KERNEL);
- if (!info->maps)
- return -ENOMEM;
-
- info->mtds = devm_kzalloc(&dev->dev,
- sizeof(*info->mtds) * info->nmaps,
- GFP_KERNEL);
- if (!info->mtds)
- return -ENOMEM;
-
- if (physmap_data->init) {
- err = physmap_data->init(dev);
- if (err)
- goto err_out;
- }
-
- platform_set_drvdata(dev, info);
-
- for (i = 0; i < info->nmaps; i++) {
- struct resource *res;
-
- res = platform_get_resource(dev, IORESOURCE_MEM, i);
- info->maps[i].virt = devm_ioremap_resource(&dev->dev, res);
- if (IS_ERR(info->maps[i].virt)) {
- err = PTR_ERR(info->maps[i].virt);
- goto err_out;
- }
-
- dev_notice(&dev->dev, "physmap platform flash device: %pR\n",
- res);
-
- info->maps[i].name = dev_name(&dev->dev);
- info->maps[i].phys = res->start;
- info->maps[i].size = resource_size(res);
- info->maps[i].bankwidth = physmap_data->width;
- info->maps[i].set_vpp = physmap_set_vpp;
- info->maps[i].pfow_base = physmap_data->pfow_base;
- info->maps[i].map_priv_1 = (unsigned long)dev;
-
- simple_map_init(&info->maps[i]);
-
- probe_type = rom_probe_types;
- if (!physmap_data->probe_type) {
- for (; !info->mtds[i] && *probe_type; probe_type++)
- info->mtds[i] = do_map_probe(*probe_type,
- &info->maps[i]);
- } else {
- info->mtds[i] = do_map_probe(physmap_data->probe_type,
- &info->maps[i]);
- }
-
- if (!info->mtds[i]) {
- dev_err(&dev->dev, "map_probe failed\n");
- err = -ENXIO;
- goto err_out;
- }
- info->mtds[i]->dev.parent = &dev->dev;
- }
-
- if (info->nmaps == 1) {
- info->cmtd = info->mtds[0];
- } else {
- /*
- * We detected multiple devices. Concatenate them together.
- */
- info->cmtd = mtd_concat_create(info->mtds, info->nmaps,
- dev_name(&dev->dev));
- if (!info->cmtd)
- err = -ENXIO;
- }
- if (err)
- goto err_out;
-
- spin_lock_init(&info->vpp_lock);
-
- part_types = physmap_data->part_probe_types ? : part_probe_types;
-
- err = mtd_device_parse_register(info->cmtd, part_types, NULL,
- physmap_data->parts,
- physmap_data->nr_parts);
- if (err)
- goto err_out;
-
- return 0;
-
-err_out:
- physmap_flash_remove(dev);
- return err;
-}
-
-#ifdef CONFIG_PM
-static void physmap_flash_shutdown(struct platform_device *dev)
-{
- struct physmap_flash_info *info = platform_get_drvdata(dev);
- int i;
-
- for (i = 0; i < info->nmaps && info->mtds[i]; i++)
- if (mtd_suspend(info->mtds[i]) == 0)
- mtd_resume(info->mtds[i]);
-}
-#else
-#define physmap_flash_shutdown NULL
-#endif
-
-static struct platform_driver physmap_flash_driver = {
- .probe = physmap_flash_probe,
- .remove = physmap_flash_remove,
- .shutdown = physmap_flash_shutdown,
- .driver = {
- .name = "physmap-flash",
- },
-};
-
-#ifdef CONFIG_MTD_PHYSMAP_COMPAT
-static struct physmap_flash_data physmap_flash_data = {
- .width = CONFIG_MTD_PHYSMAP_BANKWIDTH,
-};
-
-static struct resource physmap_flash_resource = {
- .start = CONFIG_MTD_PHYSMAP_START,
- .end = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device physmap_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &physmap_flash_data,
- },
- .num_resources = 1,
- .resource = &physmap_flash_resource,
-};
-#endif
-
-static int __init physmap_init(void)
-{
- int err;
-
- err = platform_driver_register(&physmap_flash_driver);
-#ifdef CONFIG_MTD_PHYSMAP_COMPAT
- if (err == 0) {
- err = platform_device_register(&physmap_flash);
- if (err)
- platform_driver_unregister(&physmap_flash_driver);
- }
-#endif
-
- return err;
-}
-
-static void __exit physmap_exit(void)
-{
-#ifdef CONFIG_MTD_PHYSMAP_COMPAT
- platform_device_unregister(&physmap_flash);
-#endif
- platform_driver_unregister(&physmap_flash_driver);
-}
-
-module_init(physmap_init);
-module_exit(physmap_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
-MODULE_DESCRIPTION("Generic configurable MTD map driver");
-
-/* legacy platform drivers can't hotplug or coldplg */
-#ifndef CONFIG_MTD_PHYSMAP_COMPAT
-/* work with hotplug and coldplug */
-MODULE_ALIAS("platform:physmap-flash");
-#endif
projects / openwrt / staging / blogic.git / commitdiff