This driver does not have as many options but it's easier to maintain.
And, it turns out AMD never shipped boards with different flash densities.
Signed-off-by: Pete Popov <ppopov@pacbell.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
# drivers/mtd/maps/Kconfig
-# $Id: Kconfig,v 1.44 2005/02/18 11:03:45 bjd Exp $
+# $Id: Kconfig,v 1.45 2005/02/27 21:50:21 ppopov Exp $
menu "Mapping drivers for chip access"
depends on MTD!=n
help
Support for flash chips on NETtel/SecureEdge/SnapGear boards.
-config MTD_PB1XXX
- tristate "Flash devices on Alchemy PB1xxx boards"
- depends on MIPS && ( MIPS_PB1000 || MIPS_PB1100 || MIPS_PB1500 )
+config MTD_ALCHEMY
+ tristate ' AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support'
+ depends on MIPS && SOC_AU1X00
help
- Flash memory access on Alchemy Pb1000/Pb1100/Pb1500 boards
-
-config MTD_PB1XXX_BOOT
- bool "PB1x00 boot flash device"
- depends on MTD_PB1XXX && ( MIPS_PB1100 || MIPS_PB1500 )
- help
- Use the first of the two 32MiB flash banks on Pb1100/Pb1500 board.
- You can say 'Y' to both this and 'MTD_PB1XXX_USER' below, to use
- both banks.
-
-config MTD_PB1XXX_USER
- bool "PB1x00 user flash device"
- depends on MTD_PB1XXX && ( MIPS_PB1100 || MIPS_PB1500 )
- default y if MTD_PB1XX_BOOT = n
- help
- Use the second of the two 32MiB flash banks on Pb1100/Pb1500 board.
- You can say 'Y' to both this and 'MTD_PB1XXX_BOOT' above, to use
- both banks.
-
-config MTD_PB1550
- tristate "Flash devices on Alchemy PB1550 board"
- depends on MIPS && MIPS_PB1550
- help
- Flash memory access on Alchemy Pb1550 board
-
-config MTD_PB1550_BOOT
- bool "PB1550 boot flash device"
- depends on MTD_PB1550
- help
- Use the first of the two 64MiB flash banks on Pb1550 board.
- You can say 'Y' to both this and 'MTD_PB1550_USER' below, to use
- both banks.
-
-config MTD_PB1550_USER
- bool "PB1550 user flash device"
- depends on MTD_PB1550
- default y if MTD_PB1550_BOOT = n
- help
- Use the second of the two 64MiB flash banks on Pb1550 board.
- You can say 'Y' to both this and 'MTD_PB1550_BOOT' above, to use
- both banks.
-
-config MTD_DB1550
- tristate "Flash devices on Alchemy DB1550 board"
- depends on MIPS && MIPS_DB1550
- help
- Flash memory access on Alchemy Db1550 board
-
-config MTD_DB1550_BOOT
- bool "DB1550 boot flash device"
- depends on MTD_DB1550
- help
- Use the first of the two 64MiB flash banks on Db1550 board.
- You can say 'Y' to both this and 'MTD_DB1550_USER' below, to use
- both banks.
-
-config MTD_DB1550_USER
- bool "DB1550 user flash device"
- depends on MTD_DB1550
- default y if MTD_DB1550_BOOT = n
- help
- Use the second of the two 64MiB flash banks on Db1550 board.
- You can say 'Y' to both this and 'MTD_DB1550_BOOT' above, to use
- both banks.
+ Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
config MTD_DILNETPC
tristate "CFI Flash device mapped on DIL/Net PC"
#
# linux/drivers/maps/Makefile
#
-# $Id: Makefile.common,v 1.24 2005/01/24 00:35:21 bjd Exp $
+# $Id: Makefile.common,v 1.25 2005/02/27 21:50:21 ppopov Exp $
ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y)
obj-$(CONFIG_MTD) += map_funcs.o
obj-$(CONFIG_MTD_OCELOT) += ocelot.o
obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o
obj-$(CONFIG_MTD_PCI) += pci.o
-obj-$(CONFIG_MTD_PB1XXX) += pb1xxx-flash.o
-obj-$(CONFIG_MTD_DB1X00) += db1x00-flash.o
-obj-$(CONFIG_MTD_PB1550) += pb1550-flash.o
-obj-$(CONFIG_MTD_DB1550) += db1550-flash.o
+obj-$(CONFIG_MTD_ALCHEMY) += alchemy-flash.o
obj-$(CONFIG_MTD_LASAT) += lasat.o
obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o
obj-$(CONFIG_MTD_EDB7312) += edb7312.o
--- /dev/null
+/*
+ * Flash memory access on AMD Alchemy evaluation boards
+ *
+ * $Id: alchemy-flash.c,v 1.1 2005/02/27 21:50:21 ppopov Exp $
+ *
+ * (C) 2003, 2004 Pete Popov <ppopov@embeddedalley.com>
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/io.h>
+
+#ifdef DEBUG_RW
+#define DBG(x...) printk(x)
+#else
+#define DBG(x...)
+#endif
+
+#ifdef CONFIG_MIPS_PB1000
+#define BOARD_MAP_NAME "Pb1000 Flash"
+#define BOARD_FLASH_SIZE 0x00800000 /* 8MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#endif
+
+#ifdef CONFIG_MIPS_PB1500
+#define BOARD_MAP_NAME "Pb1500 Flash"
+#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#endif
+
+#ifdef CONFIG_MIPS_PB1100
+#define BOARD_MAP_NAME "Pb1100 Flash"
+#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#endif
+
+#ifdef CONFIG_MIPS_PB1550
+#define BOARD_MAP_NAME "Pb1550 Flash"
+#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#endif
+
+#ifdef CONFIG_MIPS_PB1200
+#define BOARD_MAP_NAME "Pb1200 Flash"
+#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
+#define BOARD_FLASH_WIDTH 2 /* 16-bits */
+#endif
+
+#ifdef CONFIG_MIPS_DB1000
+#define BOARD_MAP_NAME "Db1000 Flash"
+#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#endif
+
+#ifdef CONFIG_MIPS_DB1500
+#define BOARD_MAP_NAME "Db1500 Flash"
+#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#endif
+
+#ifdef CONFIG_MIPS_DB1100
+#define BOARD_MAP_NAME "Db1100 Flash"
+#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#endif
+
+#ifdef CONFIG_MIPS_DB1550
+#define BOARD_MAP_NAME "Db1550 Flash"
+#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#endif
+
+#ifdef CONFIG_MIPS_DB1200
+#define BOARD_MAP_NAME "Db1200 Flash"
+#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
+#define BOARD_FLASH_WIDTH 2 /* 16-bits */
+#endif
+
+#ifdef CONFIG_MIPS_HYDROGEN3
+#define BOARD_MAP_NAME "Hydrogen3 Flash"
+#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#define USE_LOCAL_ACCESSORS /* why? */
+#endif
+
+#ifdef CONFIG_MIPS_BOSPORUS
+#define BOARD_MAP_NAME "Bosporus Flash"
+#define BOARD_FLASH_SIZE 0x01000000 /* 16MB */
+#define BOARD_FLASH_WIDTH 2 /* 16-bits */
+#endif
+
+#ifdef CONFIG_MIPS_MIRAGE
+#define BOARD_MAP_NAME "Mirage Flash"
+#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
+#define BOARD_FLASH_WIDTH 4 /* 32-bits */
+#define USE_LOCAL_ACCESSORS /* why? */
+#endif
+
+static struct map_info alchemy_map = {
+ .name = BOARD_MAP_NAME,
+};
+
+static struct mtd_partition alchemy_partitions[] = {
+ {
+ .name = "User FS",
+ .size = BOARD_FLASH_SIZE - 0x00400000,
+ .offset = 0x0000000
+ },{
+ .name = "YAMON",
+ .size = 0x0100000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE
+ },{
+ .name = "raw kernel",
+ .size = (0x300000 - 0x40000), /* last 256KB is yamon env */
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+
+#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
+
+static struct mtd_info *mymtd;
+
+int __init alchemy_mtd_init(void)
+{
+ struct mtd_partition *parts;
+ int nb_parts = 0;
+ unsigned long window_addr;
+ unsigned long window_size;
+
+ /* Default flash buswidth */
+ alchemy_map.bankwidth = BOARD_FLASH_WIDTH;
+
+ window_addr = 0x20000000 - BOARD_FLASH_SIZE;
+ window_size = BOARD_FLASH_SIZE;
+#ifdef CONFIG_MIPS_MIRAGE_WHY
+ /* Boot ROM flash bank only; no user bank */
+ window_addr = 0x1C000000;
+ window_size = 0x04000000;
+ /* USERFS from 0x1C00 0000 to 0x1FC00000 */
+ alchemy_partitions[0].size = 0x03C00000;
+#endif
+
+ /*
+ * Static partition definition selection
+ */
+ parts = alchemy_partitions;
+ nb_parts = NB_OF(alchemy_partitions);
+ alchemy_map.size = window_size;
+
+ /*
+ * Now let's probe for the actual flash. Do it here since
+ * specific machine settings might have been set above.
+ */
+ printk(KERN_NOTICE BOARD_MAP_NAME ": probing %d-bit flash bus\n",
+ alchemy_map.bankwidth*8);
+ alchemy_map.virt = ioremap(window_addr, window_size);
+ mymtd = do_map_probe("cfi_probe", &alchemy_map);
+ if (!mymtd) {
+ iounmap(alchemy_map.virt);
+ return -ENXIO;
+ }
+ mymtd->owner = THIS_MODULE;
+
+ add_mtd_partitions(mymtd, parts, nb_parts);
+ return 0;
+}
+
+static void __exit alchemy_mtd_cleanup(void)
+{
+ if (mymtd) {
+ del_mtd_partitions(mymtd);
+ map_destroy(mymtd);
+ iounmap(alchemy_map.virt);
+ }
+}
+
+module_init(alchemy_mtd_init);
+module_exit(alchemy_mtd_cleanup);
+
+MODULE_AUTHOR("Embedded Alley Solutions, Inc");
+MODULE_DESCRIPTION(BOARD_MAP_NAME " MTD driver");
+MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Flash memory access on Alchemy Db1550 board
- *
- * $Id: db1550-flash.c,v 1.7 2004/11/04 13:24:14 gleixner Exp $
- *
- * (C) 2004 Embedded Edge, LLC, based on db1550-flash.c:
- * (C) 2003, 2004 Pete Popov <ppopov@embeddedalley.com>
- *
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-
-#ifdef DEBUG_RW
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-static unsigned long window_addr;
-static unsigned long window_size;
-
-
-static struct map_info db1550_map = {
- .name = "Db1550 flash",
-};
-
-static unsigned char flash_bankwidth = 4;
-
-/*
- * Support only 64MB NOR Flash parts
- */
-
-#if defined(CONFIG_MTD_DB1550_BOOT) && defined(CONFIG_MTD_DB1550_USER)
-#define DB1550_BOTH_BANKS
-#elif defined(CONFIG_MTD_DB1550_BOOT) && !defined(CONFIG_MTD_DB1550_USER)
-#define DB1550_BOOT_ONLY
-#elif !defined(CONFIG_MTD_DB1550_BOOT) && defined(CONFIG_MTD_DB1550_USER)
-#define DB1550_USER_ONLY
-#endif
-
-#ifdef DB1550_BOTH_BANKS
-/* both banks will be used. Combine the first bank and the first
- * part of the second bank together into a single jffs/jffs2
- * partition.
- */
-static struct mtd_partition db1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
- * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
- */
- {
- .name = "User FS",
- .size = (0x1FC00000 - 0x18000000),
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = (0x300000 - 0x40000), /* last 256KB is yamon env */
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#elif defined(DB1550_BOOT_ONLY)
-static struct mtd_partition db1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
- */
- {
- .name = "User FS",
- .size = 0x03c00000,
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = (0x300000-0x40000), /* last 256KB is yamon env */
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#elif defined(DB1550_USER_ONLY)
-static struct mtd_partition db1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
- */
- {
- .name = "User FS",
- .size = (0x4000000 - 0x200000), /* reserve 2MB for raw kernel */
- .offset = 0x0000000
- },{
- .name = "raw kernel",
- .size = MTDPART_SIZ_FULL,
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#else
-#error MTD_DB1550 define combo error /* should never happen */
-#endif
-
-#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
-
-static struct mtd_info *mymtd;
-
-/*
- * Probe the flash density and setup window address and size
- * based on user CONFIG options. There are times when we don't
- * want the MTD driver to be probing the boot or user flash,
- * so having the option to enable only one bank is important.
- */
-int setup_flash_params(void)
-{
-#if defined(DB1550_BOTH_BANKS)
- window_addr = 0x18000000;
- window_size = 0x8000000;
-#elif defined(DB1550_BOOT_ONLY)
- window_addr = 0x1C000000;
- window_size = 0x4000000;
-#else /* USER ONLY */
- window_addr = 0x18000000;
- window_size = 0x4000000;
-#endif
- return 0;
-}
-
-int __init db1550_mtd_init(void)
-{
- struct mtd_partition *parts;
- int nb_parts = 0;
-
- /* Default flash bankwidth */
- db1550_map.bankwidth = flash_bankwidth;
-
- if (setup_flash_params())
- return -ENXIO;
-
- /*
- * Static partition definition selection
- */
- parts = db1550_partitions;
- nb_parts = NB_OF(db1550_partitions);
- db1550_map.size = window_size;
-
- /*
- * Now let's probe for the actual flash. Do it here since
- * specific machine settings might have been set above.
- */
- printk(KERN_NOTICE "Db1550 flash: probing %d-bit flash bus\n",
- db1550_map.bankwidth*8);
- db1550_map.virt = ioremap(window_addr, window_size);
- mymtd = do_map_probe("cfi_probe", &db1550_map);
- if (!mymtd) return -ENXIO;
- mymtd->owner = THIS_MODULE;
-
- add_mtd_partitions(mymtd, parts, nb_parts);
- return 0;
-}
-
-static void __exit db1550_mtd_cleanup(void)
-{
- if (mymtd) {
- del_mtd_partitions(mymtd);
- map_destroy(mymtd);
- iounmap((void *) db1550_map.virt);
- }
-}
-
-module_init(db1550_mtd_init);
-module_exit(db1550_mtd_cleanup);
-
-MODULE_AUTHOR("Embedded Edge, LLC");
-MODULE_DESCRIPTION("Db1550 mtd map driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Flash memory access on Alchemy Db1xxx boards
- *
- * $Id: db1x00-flash.c,v 1.6 2004/11/04 13:24:14 gleixner Exp $
- *
- * (C) 2003 Pete Popov <ppopov@embeddedalley.com>
- *
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-
-#ifdef DEBUG_RW
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-/* MTD CONFIG OPTIONS */
-#if defined(CONFIG_MTD_DB1X00_BOOT) && defined(CONFIG_MTD_DB1X00_USER)
-#define DB1X00_BOTH_BANKS
-#elif defined(CONFIG_MTD_DB1X00_BOOT) && !defined(CONFIG_MTD_DB1X00_USER)
-#define DB1X00_BOOT_ONLY
-#elif !defined(CONFIG_MTD_DB1X00_BOOT) && defined(CONFIG_MTD_DB1X00_USER)
-#define DB1X00_USER_ONLY
-#endif
-
-static unsigned long window_addr;
-static unsigned long window_size;
-static unsigned long flash_size;
-
-static unsigned short *bcsr = (unsigned short *)0xAE000000;
-static unsigned char flash_bankwidth = 4;
-
-/*
- * The Db1x boards support different flash densities. We setup
- * the mtd_partition structures below for default of 64Mbit
- * flash densities, and override the partitions sizes, if
- * necessary, after we check the board status register.
- */
-
-#ifdef DB1X00_BOTH_BANKS
-/* both banks will be used. Combine the first bank and the first
- * part of the second bank together into a single jffs/jffs2
- * partition.
- */
-static struct mtd_partition db1x00_partitions[] = {
- {
- .name = "User FS",
- .size = 0x1c00000,
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = (0x300000-0x40000), /* last 256KB is env */
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#elif defined(DB1X00_BOOT_ONLY)
-static struct mtd_partition db1x00_partitions[] = {
- {
- .name = "User FS",
- .size = 0x00c00000,
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = (0x300000-0x40000), /* last 256KB is env */
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#elif defined(DB1X00_USER_ONLY)
-static struct mtd_partition db1x00_partitions[] = {
- {
- .name = "User FS",
- .size = 0x0e00000,
- .offset = 0x0000000
- },{
- .name = "raw kernel",
- .size = MTDPART_SIZ_FULL,
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#else
-#error MTD_DB1X00 define combo error /* should never happen */
-#endif
-#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
-
-#define NAME "Db1x00 Linux Flash"
-
-static struct map_info db1xxx_mtd_map = {
- .name = NAME,
-};
-
-static struct mtd_partition *parsed_parts;
-static struct mtd_info *db1xxx_mtd;
-
-/*
- * Probe the flash density and setup window address and size
- * based on user CONFIG options. There are times when we don't
- * want the MTD driver to be probing the boot or user flash,
- * so having the option to enable only one bank is important.
- */
-int setup_flash_params(void)
-{
- switch ((bcsr[2] >> 14) & 0x3) {
- case 0: /* 64Mbit devices */
- flash_size = 0x800000; /* 8MB per part */
-#if defined(DB1X00_BOTH_BANKS)
- window_addr = 0x1E000000;
- window_size = 0x2000000;
-#elif defined(DB1X00_BOOT_ONLY)
- window_addr = 0x1F000000;
- window_size = 0x1000000;
-#else /* USER ONLY */
- window_addr = 0x1E000000;
- window_size = 0x1000000;
-#endif
- break;
- case 1:
- /* 128 Mbit devices */
- flash_size = 0x1000000; /* 16MB per part */
-#if defined(DB1X00_BOTH_BANKS)
- window_addr = 0x1C000000;
- window_size = 0x4000000;
- /* USERFS from 0x1C00 0000 to 0x1FC0 0000 */
- db1x00_partitions[0].size = 0x3C00000;
-#elif defined(DB1X00_BOOT_ONLY)
- window_addr = 0x1E000000;
- window_size = 0x2000000;
- /* USERFS from 0x1E00 0000 to 0x1FC0 0000 */
- db1x00_partitions[0].size = 0x1C00000;
-#else /* USER ONLY */
- window_addr = 0x1C000000;
- window_size = 0x2000000;
- /* USERFS from 0x1C00 0000 to 0x1DE00000 */
- db1x00_partitions[0].size = 0x1DE0000;
-#endif
- break;
- case 2:
- /* 256 Mbit devices */
- flash_size = 0x4000000; /* 64MB per part */
-#if defined(DB1X00_BOTH_BANKS)
- return 1;
-#elif defined(DB1X00_BOOT_ONLY)
- /* Boot ROM flash bank only; no user bank */
- window_addr = 0x1C000000;
- window_size = 0x4000000;
- /* USERFS from 0x1C00 0000 to 0x1FC00000 */
- db1x00_partitions[0].size = 0x3C00000;
-#else /* USER ONLY */
- return 1;
-#endif
- break;
- default:
- return 1;
- }
- db1xxx_mtd_map.size = window_size;
- db1xxx_mtd_map.bankwidth = flash_bankwidth;
- db1xxx_mtd_map.phys = window_addr;
- db1xxx_mtd_map.bankwidth = flash_bankwidth;
- return 0;
-}
-
-int __init db1x00_mtd_init(void)
-{
- struct mtd_partition *parts;
- int nb_parts = 0;
-
- if (setup_flash_params())
- return -ENXIO;
-
- /*
- * Static partition definition selection
- */
- parts = db1x00_partitions;
- nb_parts = NB_OF(db1x00_partitions);
-
- /*
- * Now let's probe for the actual flash. Do it here since
- * specific machine settings might have been set above.
- */
- printk(KERN_NOTICE "Db1xxx flash: probing %d-bit flash bus\n",
- db1xxx_mtd_map.bankwidth*8);
- db1xxx_mtd_map.virt = ioremap(window_addr, window_size);
- db1xxx_mtd = do_map_probe("cfi_probe", &db1xxx_mtd_map);
- if (!db1xxx_mtd) return -ENXIO;
- db1xxx_mtd->owner = THIS_MODULE;
-
- add_mtd_partitions(db1xxx_mtd, parts, nb_parts);
- return 0;
-}
-
-static void __exit db1x00_mtd_cleanup(void)
-{
- if (db1xxx_mtd) {
- del_mtd_partitions(db1xxx_mtd);
- map_destroy(db1xxx_mtd);
- if (parsed_parts)
- kfree(parsed_parts);
- }
-}
-
-module_init(db1x00_mtd_init);
-module_exit(db1x00_mtd_cleanup);
-
-MODULE_AUTHOR("Pete Popov");
-MODULE_DESCRIPTION("Db1x00 mtd map driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Flash memory access on Alchemy Pb1550 board
- *
- * $Id: pb1550-flash.c,v 1.6 2004/11/04 13:24:15 gleixner Exp $
- *
- * (C) 2004 Embedded Edge, LLC, based on pb1550-flash.c:
- * (C) 2003 Pete Popov <ppopov@pacbell.net>
- *
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-#include <asm/au1000.h>
-#include <asm/pb1550.h>
-
-#ifdef DEBUG_RW
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-static unsigned long window_addr;
-static unsigned long window_size;
-
-
-static struct map_info pb1550_map = {
- .name = "Pb1550 flash",
-};
-
-static unsigned char flash_bankwidth = 4;
-
-/*
- * Support only 64MB NOR Flash parts
- */
-
-#ifdef PB1550_BOTH_BANKS
-/* both banks will be used. Combine the first bank and the first
- * part of the second bank together into a single jffs/jffs2
- * partition.
- */
-static struct mtd_partition pb1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
- * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
- */
- {
- .name = "User FS",
- .size = (0x1FC00000 - 0x18000000),
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = (0x300000 - 0x40000), /* last 256KB is yamon env */
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#elif defined(PB1550_BOOT_ONLY)
-static struct mtd_partition pb1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
- */
- {
- .name = "User FS",
- .size = 0x03c00000,
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = (0x300000-0x40000), /* last 256KB is yamon env */
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#elif defined(PB1550_USER_ONLY)
-static struct mtd_partition pb1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
- */
- {
- .name = "User FS",
- .size = (0x4000000 - 0x200000), /* reserve 2MB for raw kernel */
- .offset = 0x0000000
- },{
- .name = "raw kernel",
- .size = MTDPART_SIZ_FULL,
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#else
-#error MTD_PB1550 define combo error /* should never happen */
-#endif
-
-#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
-
-static struct mtd_info *mymtd;
-
-/*
- * Probe the flash density and setup window address and size
- * based on user CONFIG options. There are times when we don't
- * want the MTD driver to be probing the boot or user flash,
- * so having the option to enable only one bank is important.
- */
-int setup_flash_params(void)
-{
- u16 boot_swapboot;
- boot_swapboot = (au_readl(MEM_STSTAT) & (0x7<<1)) |
- ((bcsr->status >> 6) & 0x1);
- printk("Pb1550 MTD: boot:swap %d\n", boot_swapboot);
-
- switch (boot_swapboot) {
- case 0: /* 512Mbit devices, both enabled */
- case 1:
- case 8:
- case 9:
-#if defined(PB1550_BOTH_BANKS)
- window_addr = 0x18000000;
- window_size = 0x8000000;
-#elif defined(PB1550_BOOT_ONLY)
- window_addr = 0x1C000000;
- window_size = 0x4000000;
-#else /* USER ONLY */
- window_addr = 0x1E000000;
- window_size = 0x4000000;
-#endif
- break;
- case 0xC:
- case 0xD:
- case 0xE:
- case 0xF:
- /* 64 MB Boot NOR Flash is disabled */
- /* and the start address is moved to 0x0C00000 */
- window_addr = 0x0C000000;
- window_size = 0x4000000;
- default:
- printk("Pb1550 MTD: unsupported boot:swap setting\n");
- return 1;
- }
- return 0;
-}
-
-int __init pb1550_mtd_init(void)
-{
- struct mtd_partition *parts;
- int nb_parts = 0;
-
- /* Default flash bankwidth */
- pb1550_map.bankwidth = flash_bankwidth;
-
- if (setup_flash_params())
- return -ENXIO;
-
- /*
- * Static partition definition selection
- */
- parts = pb1550_partitions;
- nb_parts = NB_OF(pb1550_partitions);
- pb1550_map.size = window_size;
-
- /*
- * Now let's probe for the actual flash. Do it here since
- * specific machine settings might have been set above.
- */
- printk(KERN_NOTICE "Pb1550 flash: probing %d-bit flash bus\n",
- pb1550_map.bankwidth*8);
- pb1550_map.virt = ioremap(window_addr, window_size);
- mymtd = do_map_probe("cfi_probe", &pb1550_map);
- if (!mymtd) return -ENXIO;
- mymtd->owner = THIS_MODULE;
-
- add_mtd_partitions(mymtd, parts, nb_parts);
- return 0;
-}
-
-static void __exit pb1550_mtd_cleanup(void)
-{
- if (mymtd) {
- del_mtd_partitions(mymtd);
- map_destroy(mymtd);
- }
-}
-
-module_init(pb1550_mtd_init);
-module_exit(pb1550_mtd_cleanup);
-
-MODULE_AUTHOR("Embedded Edge, LLC");
-MODULE_DESCRIPTION("Pb1550 mtd map driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Flash memory access on Alchemy Pb1xxx boards
- *
- * (C) 2001 Pete Popov <ppopov@mvista.com>
- *
- * $Id: pb1xxx-flash.c,v 1.14 2004/11/04 13:24:15 gleixner Exp $
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-
-#ifdef DEBUG_RW
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-#ifdef CONFIG_MIPS_PB1000
-
-#define WINDOW_ADDR 0x1F800000
-#define WINDOW_SIZE 0x800000
-
-static struct mtd_partition pb1xxx_partitions[] = {
- {
- .name = "yamon env",
- .size = 0x00020000,
- .offset = 0,
- .mask_flags = MTD_WRITEABLE},
- {
- .name = "User FS",
- .size = 0x003e0000,
- .offset = 0x20000,},
- {
- .name = "boot code",
- .size = 0x100000,
- .offset = 0x400000,
- .mask_flags = MTD_WRITEABLE},
- {
- .name = "raw/kernel",
- .size = 0x300000,
- .offset = 0x500000}
-};
-
-#elif defined(CONFIG_MIPS_PB1500) || defined(CONFIG_MIPS_PB1100)
-
-#if defined(CONFIG_MTD_PB1500_BOOT) && defined(CONFIG_MTD_PB1500_USER)
-/* both 32MB banks will be used. Combine the first 32MB bank and the
- * first 28MB of the second bank together into a single jffs/jffs2
- * partition.
- */
-#define WINDOW_ADDR 0x1C000000
-#define WINDOW_SIZE 0x4000000
-static struct mtd_partition pb1xxx_partitions[] = {
- {
- .name = "User FS",
- .size = 0x3c00000,
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = 0x3c00000,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = 0x02c0000,
- .offset = 0x3d00000
- }
-};
-#elif defined(CONFIG_MTD_PB1500_BOOT) && !defined(CONFIG_MTD_PB1500_USER)
-#define WINDOW_ADDR 0x1E000000
-#define WINDOW_SIZE 0x2000000
-static struct mtd_partition pb1xxx_partitions[] = {
- {
- .name = "User FS",
- .size = 0x1c00000,
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = 0x1c00000,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = 0x02c0000,
- .offset = 0x1d00000
- }
-};
-#elif !defined(CONFIG_MTD_PB1500_BOOT) && defined(CONFIG_MTD_PB1500_USER)
-#define WINDOW_ADDR 0x1C000000
-#define WINDOW_SIZE 0x2000000
-static struct mtd_partition pb1xxx_partitions[] = {
- {
- .name = "User FS",
- .size = 0x1e00000,
- .offset = 0x0000000
- },{
- .name = "raw kernel",
- .size = 0x0200000,
- .offset = 0x1e00000,
- }
-};
-#else
-#error MTD_PB1500 define combo error /* should never happen */
-#endif
-#else
-#error Unsupported board
-#endif
-
-#define NAME "Pb1x00 Linux Flash"
-#define PADDR WINDOW_ADDR
-#define BUSWIDTH 4
-#define SIZE WINDOW_SIZE
-#define PARTITIONS 4
-
-static struct map_info pb1xxx_mtd_map = {
- .name = NAME,
- .size = SIZE,
- .bankwidth = BUSWIDTH,
- .phys = PADDR,
-};
-
-static struct mtd_info *pb1xxx_mtd;
-
-int __init pb1xxx_mtd_init(void)
-{
- struct mtd_partition *parts;
- int nb_parts = 0;
- char *part_type;
-
- /*
- * Static partition definition selection
- */
- part_type = "static";
- parts = pb1xxx_partitions;
- nb_parts = ARRAY_SIZE(pb1xxx_partitions);
-
- /*
- * Now let's probe for the actual flash. Do it here since
- * specific machine settings might have been set above.
- */
- printk(KERN_NOTICE "Pb1xxx flash: probing %d-bit flash bus\n",
- BUSWIDTH*8);
- pb1xxx_mtd_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
-
- simple_map_init(&pb1xxx_mtd_map);
-
- pb1xxx_mtd = do_map_probe("cfi_probe", &pb1xxx_mtd_map);
- if (!pb1xxx_mtd) return -ENXIO;
- pb1xxx_mtd->owner = THIS_MODULE;
-
- add_mtd_partitions(pb1xxx_mtd, parts, nb_parts);
- return 0;
-}
-
-static void __exit pb1xxx_mtd_cleanup(void)
-{
- if (pb1xxx_mtd) {
- del_mtd_partitions(pb1xxx_mtd);
- map_destroy(pb1xxx_mtd);
- iounmap((void *) pb1xxx_mtd_map.virt);
- }
-}
-
-module_init(pb1xxx_mtd_init);
-module_exit(pb1xxx_mtd_cleanup);
-
-MODULE_AUTHOR("Pete Popov");
-MODULE_DESCRIPTION("Pb1xxx CFI map driver");
-MODULE_LICENSE("GPL");
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff