diff options
Diffstat (limited to 'target/linux/lantiq/patches/210-nor.patch')
| -rw-r--r-- | target/linux/lantiq/patches/210-nor.patch | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/target/linux/lantiq/patches/210-nor.patch b/target/linux/lantiq/patches/210-nor.patch deleted file mode 100644 index fe2ce6de2b..0000000000 --- a/target/linux/lantiq/patches/210-nor.patch +++ /dev/null @@ -1,208 +0,0 @@ ---- a/drivers/mtd/maps/Kconfig -+++ b/drivers/mtd/maps/Kconfig -@@ -260,6 +260,12 @@ - Support for parsing CFE image tag and creating MTD partitions on - Broadcom BCM63xx boards. - -+config MTD_LANTIQ -+ bool "Lantiq SoC NOR support" -+ depends on LANTIQ && MTD_PARTITIONS -+ help -+ Support for NOR flsh chips on Lantiq SoC -+ - config MTD_DILNETPC - tristate "CFI Flash device mapped on DIL/Net PC" - depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN ---- a/drivers/mtd/maps/Makefile -+++ b/drivers/mtd/maps/Makefile -@@ -59,3 +59,4 @@ - obj-$(CONFIG_MTD_VMU) += vmu-flash.o - obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o - obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o -+obj-$(CONFIG_MTD_LANTIQ) += lantiq.o ---- /dev/null -+++ b/drivers/mtd/maps/lantiq.c -@@ -0,0 +1,183 @@ -+/* -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published -+ * by the Free Software Foundation. -+ * -+ * Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE -+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/types.h> -+#include <linux/kernel.h> -+#include <linux/io.h> -+#include <linux/init.h> -+#include <linux/mtd/mtd.h> -+#include <linux/mtd/map.h> -+#include <linux/mtd/partitions.h> -+#include <linux/mtd/cfi.h> -+#include <linux/magic.h> -+#include <linux/platform_device.h> -+#include <linux/mtd/physmap.h> -+#include <linux/mtd/cfi.h> -+ -+#include <lantiq.h> -+#include <lantiq_platform.h> -+ -+#ifdef CONFIG_SOC_LANTIQ_XWAY -+#include <xway.h> -+#endif -+static int ltq_mtd_probing; -+ -+static map_word -+lq_read16(struct map_info *map, unsigned long adr) -+{ -+ unsigned long flags; -+ map_word temp; -+ spin_lock_irqsave(&ebu_lock, flags); -+ if (ltq_mtd_probing) -+ adr ^= 2; -+ temp.x[0] = *((__u16 *)(map->virt + adr)); -+ spin_unlock_irqrestore(&ebu_lock, flags); -+ return temp; -+} -+ -+static void -+lq_write16(struct map_info *map, map_word d, unsigned long adr) -+{ -+ unsigned long flags; -+ spin_lock_irqsave(&ebu_lock, flags); -+ if (ltq_mtd_probing) -+ adr ^= 2; -+ *((__u16 *)(map->virt + adr)) = d.x[0]; -+ spin_unlock_irqrestore(&ebu_lock, flags); -+} -+ -+void -+lq_copy_from(struct map_info *map, void *to, -+ unsigned long from, ssize_t len) -+{ -+ unsigned char *p; -+ unsigned char *to_8; -+ unsigned long flags; -+ spin_lock_irqsave(&ebu_lock, flags); -+ from = (unsigned long)(from + map->virt); -+ p = (unsigned char *) from; -+ to_8 = (unsigned char *) to; -+ while (len--) -+ *to_8++ = *p++; -+ spin_unlock_irqrestore(&ebu_lock, flags); -+} -+ -+void -+lq_copy_to(struct map_info *map, unsigned long to, -+ const void *from, ssize_t len) -+{ -+ unsigned char *p = (unsigned char *)from; -+ unsigned char *to_8; -+ unsigned long flags; -+ spin_lock_irqsave(&ebu_lock, flags); -+ to += (unsigned long) map->virt; -+ to_8 = (unsigned char *)to; -+ while (len--) -+ *p++ = *to_8++; -+ spin_unlock_irqrestore(&ebu_lock, flags); -+} -+ -+static const char *part_probe_types[] = { "cmdlinepart", NULL }; -+ -+static struct map_info lq_map = { -+ .name = "lq_nor", -+ .bankwidth = 2, -+ .read = lq_read16, -+ .write = lq_write16, -+ .copy_from = lq_copy_from, -+ .copy_to = lq_copy_to, -+}; -+ -+static int -+lq_mtd_probe(struct platform_device *pdev) -+{ -+ struct physmap_flash_data *lq_mtd_data = -+ (struct physmap_flash_data*) dev_get_platdata(&pdev->dev); -+ struct mtd_info *lq_mtd = NULL; -+ struct mtd_partition *parts = NULL; -+ struct resource *res = 0; -+ int nr_parts = 0; -+ struct cfi_private *cfi; -+ -+#ifdef CONFIG_SOC_LANTIQ_XWAY -+ lq_w32(lq_r32(LQ_EBU_BUSCON0) & ~EBU_WRDIS, LQ_EBU_BUSCON0); -+#endif -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if(!res) -+ { -+ dev_err(&pdev->dev, "failed to get memory resource"); -+ return -ENOENT; -+ } -+ res = request_mem_region(res->start, resource_size(res), -+ dev_name(&pdev->dev)); -+ if(!res) -+ { -+ dev_err(&pdev->dev, "failed to request mem resource"); -+ return -EBUSY; -+ } -+ -+ lq_map.phys = res->start; -+ lq_map.size = resource_size(res); -+ lq_map.virt = ioremap_nocache(lq_map.phys, lq_map.size); -+ -+ if (!lq_map.virt ) { -+ dev_err(&pdev->dev, "failed to ioremap!\n"); -+ return -EIO; -+ } -+ -+ ltq_mtd_probing = 1; -+ lq_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &lq_map); -+ ltq_mtd_probing = 0; -+ if (!lq_mtd) { -+ iounmap(lq_map.virt); -+ dev_err(&pdev->dev, "probing failed\n"); -+ return -ENXIO; -+ } -+ -+ lq_mtd->owner = THIS_MODULE; -+ cfi = lq_map.fldrv_priv; -+ cfi->addr_unlock1 ^= 1; -+ cfi->addr_unlock2 ^= 1; -+ -+ nr_parts = parse_mtd_partitions(lq_mtd, part_probe_types, &parts, 0); -+ if (nr_parts > 0) { -+ dev_info(&pdev->dev, "using %d partitions from cmdline", nr_parts); -+ } else { -+ nr_parts = lq_mtd_data->nr_parts; -+ parts = lq_mtd_data->parts; -+ } -+ -+ add_mtd_partitions(lq_mtd, parts, nr_parts); -+ return 0; -+} -+ -+static struct platform_driver lq_mtd_driver = { -+ .probe = lq_mtd_probe, -+ .driver = { -+ .name = "lq_nor", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+int __init -+init_lq_mtd(void) -+{ -+ int ret = platform_driver_register(&lq_mtd_driver); -+ if (ret) -+ printk(KERN_INFO "lq_nor: error registering platfom driver"); -+ return ret; -+} -+ -+module_init(init_lq_mtd); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -+MODULE_DESCRIPTION("Lantiq SoC NOR"); |