[PATCH 3/8] mtd: netsc520: Remove mapping since board is no longer supported
Sean Young
sean at mess.org
Wed May 6 07:42:48 PDT 2026
Since commit 8b793a92d862 ("x86/cpu: Remove M486/M486SX/ELAN support"),
this board is no longer supported. Remove the mtd map too.
Signed-off-by: Sean Young <sean at mess.org>
---
drivers/mtd/maps/Kconfig | 8 ---
drivers/mtd/maps/Makefile | 1 -
drivers/mtd/maps/netsc520.c | 127 ------------------------------------
3 files changed, 136 deletions(-)
delete mode 100644 drivers/mtd/maps/netsc520.c
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index e48221e97f8d..b34f3c34c626 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -133,14 +133,6 @@ config MTD_SC520CDP
Dual-in-line JEDEC chip. This 'mapping' driver supports that
arrangement, implementing three MTD devices.
-config MTD_NETSC520
- tristate "CFI Flash device mapped on AMD NetSc520"
- depends on (MELAN || COMPILE_TEST) && MTD_CFI
- help
- This enables access routines for the flash chips on the AMD NetSc520
- demonstration board. If you have one of these boards and would like
- to use the flash chips on it, say 'Y'.
-
config MTD_SBC_GXX
tristate "CFI Flash device mapped on Arcom SBC-GXx boards"
depends on X86 && MTD_CFI_INTELEXT && MTD_COMPLEX_MAPPINGS
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 46ff278006a7..e8b5caa17ccc 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -27,7 +27,6 @@ obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o
obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o
obj-$(CONFIG_MTD_SBC_GXX) += sbc_gxx.o
obj-$(CONFIG_MTD_SC520CDP) += sc520cdp.o
-obj-$(CONFIG_MTD_NETSC520) += netsc520.o
obj-$(CONFIG_MTD_SUN_UFLASH) += sun_uflash.o
obj-$(CONFIG_MTD_SCx200_DOCFLASH)+= scx200_docflash.o
obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o
diff --git a/drivers/mtd/maps/netsc520.c b/drivers/mtd/maps/netsc520.c
deleted file mode 100644
index 0bb651624f05..000000000000
--- a/drivers/mtd/maps/netsc520.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/* netsc520.c -- MTD map driver for AMD NetSc520 Demonstration Board
- *
- * Copyright (C) 2001 Mark Langsdorf (mark.langsdorf at amd.com)
- * based on sc520cdp.c by Sysgo Real-Time Solutions GmbH
- *
- * The NetSc520 is a demonstration board for the Elan Sc520 processor available
- * from AMD. It has a single back of 16 megs of 32-bit Flash ROM and another
- * 16 megs of SDRAM.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <asm/io.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-
-/*
-** The single, 16 megabyte flash bank is divided into four virtual
-** partitions. The first partition is 768 KiB and is intended to
-** store the kernel image loaded by the bootstrap loader. The second
-** partition is 256 KiB and holds the BIOS image. The third
-** partition is 14.5 MiB and is intended for the flash file system
-** image. The last partition is 512 KiB and contains another copy
-** of the BIOS image and the reset vector.
-**
-** Only the third partition should be mounted. The first partition
-** should not be mounted, but it can erased and written to using the
-** MTD character routines. The second and fourth partitions should
-** not be touched - it is possible to corrupt the BIOS image by
-** mounting these partitions, and potentially the board will not be
-** recoverable afterwards.
-*/
-
-/* partition_info gives details on the logical partitions that the split the
- * single flash device into. If the size if zero we use up to the end of the
- * device. */
-static const struct mtd_partition partition_info[] = {
- {
- .name = "NetSc520 boot kernel",
- .offset = 0,
- .size = 0xc0000
- },
- {
- .name = "NetSc520 Low BIOS",
- .offset = 0xc0000,
- .size = 0x40000
- },
- {
- .name = "NetSc520 file system",
- .offset = 0x100000,
- .size = 0xe80000
- },
- {
- .name = "NetSc520 High BIOS",
- .offset = 0xf80000,
- .size = 0x80000
- },
-};
-#define NUM_PARTITIONS ARRAY_SIZE(partition_info)
-
-#define WINDOW_SIZE 0x00100000
-#define WINDOW_ADDR 0x00200000
-
-static struct map_info netsc520_map = {
- .name = "netsc520 Flash Bank",
- .size = WINDOW_SIZE,
- .bankwidth = 4,
- .phys = WINDOW_ADDR,
-};
-
-#define NUM_FLASH_BANKS ARRAY_SIZE(netsc520_map)
-
-static struct mtd_info *mymtd;
-
-static int __init init_netsc520(void)
-{
- printk(KERN_NOTICE "NetSc520 flash device: 0x%Lx at 0x%Lx\n",
- (unsigned long long)netsc520_map.size,
- (unsigned long long)netsc520_map.phys);
- netsc520_map.virt = ioremap(netsc520_map.phys, netsc520_map.size);
-
- if (!netsc520_map.virt) {
- printk("Failed to ioremap\n");
- return -EIO;
- }
-
- simple_map_init(&netsc520_map);
-
- mymtd = do_map_probe("cfi_probe", &netsc520_map);
- if(!mymtd)
- mymtd = do_map_probe("map_ram", &netsc520_map);
- if(!mymtd)
- mymtd = do_map_probe("map_rom", &netsc520_map);
-
- if (!mymtd) {
- iounmap(netsc520_map.virt);
- return -ENXIO;
- }
-
- mymtd->owner = THIS_MODULE;
- mtd_device_register(mymtd, partition_info, NUM_PARTITIONS);
- return 0;
-}
-
-static void __exit cleanup_netsc520(void)
-{
- if (mymtd) {
- mtd_device_unregister(mymtd);
- map_destroy(mymtd);
- }
- if (netsc520_map.virt) {
- iounmap(netsc520_map.virt);
- netsc520_map.virt = NULL;
- }
-}
-
-module_init(init_netsc520);
-module_exit(cleanup_netsc520);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mark Langsdorf <mark.langsdorf at amd.com>");
-MODULE_DESCRIPTION("MTD map driver for AMD NetSc520 Demonstration Board");
--
2.54.0
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