diff -urN linux/Makefile uClinux-2.0.38.1pre7-mtd/Makefile --- linux/Makefile Fri Feb 2 12:52:30 2001 +++ uClinux-2.0.38.1pre7-mtd/Makefile Fri Feb 2 12:57:59 2001 @@ -162,6 +162,10 @@ DRIVERS := $(DRIVERS) drivers/sbus/sbus.a endif +ifdef CONFIG_MTD +DRIVERS := $(DRIVERS) drivers/mtd/mtdlink.o +endif + include arch/$(ARCH)/Makefile .S.s: diff -urN linux/arch/armnommu/config.in uClinux-2.0.38.1pre7-mtd/arch/armnommu/config.in --- linux/arch/armnommu/config.in Fri Feb 2 12:52:30 2001 +++ uClinux-2.0.38.1pre7-mtd/arch/armnommu/config.in Fri Feb 2 12:57:59 2001 @@ -72,6 +72,8 @@ fi endmenu +source drivers/mtd/Config.in + source arch/armnommu/drivers/block/Config.in if [ "$CONFIG_NET" = "y" ]; then diff -urN linux/arch/m68knommu/config.in uClinux-2.0.38.1pre7-mtd/arch/m68knommu/config.in --- linux/arch/m68knommu/config.in Fri Feb 2 12:52:38 2001 +++ uClinux-2.0.38.1pre7-mtd/arch/m68knommu/config.in Fri Feb 2 13:19:07 2001 @@ -143,6 +143,8 @@ endmenu +source drivers/mtd/Config.in + # # Block device driver configuration # diff -urN linux/drivers/Makefile uClinux-2.0.38.1pre7-mtd/drivers/Makefile --- linux/drivers/Makefile Mon Apr 22 09:59:39 1996 +++ uClinux-2.0.38.1pre7-mtd/drivers/Makefile Fri Feb 2 12:57:59 2001 @@ -9,7 +9,7 @@ SUB_DIRS := block char net #streams MOD_SUB_DIRS := $(SUB_DIRS) -ALL_SUB_DIRS := $(SUB_DIRS) pci sbus scsi sound cdrom isdn +ALL_SUB_DIRS := $(SUB_DIRS) pci sbus scsi sound cdrom isdn mtd ifdef CONFIG_PCI SUB_DIRS += pci @@ -55,6 +55,15 @@ ifeq ($(CONFIG_AP1000),y) SUB_DIRS += ap1000 ALL_SUB_DIRS += ap1000 +endif + +ifeq ($(CONFIG_MTD),y) +SUB_DIRS += mtd +MOD_SUB_DIRS += mtd +else + ifeq ($(CONFIG_MTD),m) + MOD_SUB_DIRS += mtd + endif endif include $(TOPDIR)/Rules.make diff -urN linux/drivers/block/genhd.c uClinux-2.0.38.1pre7-mtd/drivers/block/genhd.c --- linux/drivers/block/genhd.c Fri Feb 2 12:52:41 2001 +++ uClinux-2.0.38.1pre7-mtd/drivers/block/genhd.c Fri Feb 2 13:06:07 2001 @@ -51,6 +51,8 @@ extern int chr_dev_init(void); extern int blk_dev_init(void); +extern void init_mtd(void); + #ifdef CONFIG_BLK_DEV_DAC960 extern void DAC960_Initialize(void); #endif @@ -775,6 +777,9 @@ chr_dev_init(); blk_dev_init(); +#ifdef CONFIG_MTD + init_mtd(); +#endif sti(); #ifdef CONFIG_BLK_DEV_DAC960 DAC960_Initialize(); diff -urN linux/include/linux/list.h uClinux-2.0.38.1pre7-mtd/include/linux/list.h --- linux/include/linux/list.h Thu Jan 1 01:00:00 1970 +++ uClinux-2.0.38.1pre7-mtd/include/linux/list.h Fri Feb 2 12:57:59 2001 @@ -0,0 +1,154 @@ +#ifndef _LINUX_LIST_H +#define _LINUX_LIST_H + +#ifdef __KERNEL__ + +/* + * Simple doubly linked list implementation. + * + * Some of the internal functions ("__xxx") are useful when + * manipulating whole lists rather than single entries, as + * sometimes we already know the next/prev entries and we can + * generate better code by using them directly rather than + * using the generic single-entry routines. + */ + +struct list_head { + struct list_head *next, *prev; +}; + +#define LIST_HEAD_INIT(name) { &(name), &(name) } + +#define LIST_HEAD(name) \ + struct list_head name = LIST_HEAD_INIT(name) + +#define INIT_LIST_HEAD(ptr) do { \ + (ptr)->next = (ptr); (ptr)->prev = (ptr); \ +} while (0) + +/* + * Insert a new entry between two known consecutive entries. + * + * This is only for internal list manipulation where we know + * the prev/next entries already! + */ +static __inline__ void __list_add(struct list_head * new, + struct list_head * prev, + struct list_head * next) +{ + next->prev = new; + new->next = next; + new->prev = prev; + prev->next = new; +} + +/** + * list_add - add a new entry + * @new: new entry to be added + * @head: list head to add it after + * + * Insert a new entry after the specified head. + * This is good for implementing stacks. + */ +static __inline__ void list_add(struct list_head *new, struct list_head *head) +{ + __list_add(new, head, head->next); +} + +/** + * list_add_tail - add a new entry + * @new: new entry to be added + * @head: list head to add it before + * + * Insert a new entry before the specified head. + * This is useful for implementing queues. + */ +static __inline__ void list_add_tail(struct list_head *new, struct list_head *head) +{ + __list_add(new, head->prev, head); +} + +/* + * Delete a list entry by making the prev/next entries + * point to each other. + * + * This is only for internal list manipulation where we know + * the prev/next entries already! + */ +static __inline__ void __list_del(struct list_head * prev, + struct list_head * next) +{ + next->prev = prev; + prev->next = next; +} + +/** + * list_del - deletes entry from list. + * @entry: the element to delete from the list. + * Note: list_empty on entry does not return true after this, the entry is in an undefined state. + */ +static __inline__ void list_del(struct list_head *entry) +{ + __list_del(entry->prev, entry->next); +} + +/** + * list_del_init - deletes entry from list and reinitialize it. + * @entry: the element to delete from the list. + */ +static __inline__ void list_del_init(struct list_head *entry) +{ + __list_del(entry->prev, entry->next); + INIT_LIST_HEAD(entry); +} + +/** + * list_empty - tests whether a list is empty + * @head: the list to test. + */ +static __inline__ int list_empty(struct list_head *head) +{ + return head->next == head; +} + +/** + * list_splice - join two lists + * @list: the new list to add. + * @head: the place to add it in the first list. + */ +static __inline__ void list_splice(struct list_head *list, struct list_head *head) +{ + struct list_head *first = list->next; + + if (first != list) { + struct list_head *last = list->prev; + struct list_head *at = head->next; + + first->prev = head; + head->next = first; + + last->next = at; + at->prev = last; + } +} + +/** + * list_entry - get the struct for this entry + * @ptr: the &struct list_head pointer. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_struct within the struct. + */ +#define list_entry(ptr, type, member) \ + ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member))) + +/** + * list_for_each - iterate over a list + * @pos: the &struct list_head to use as a loop counter. + * @head: the head for your list. + */ +#define list_for_each(pos, head) \ + for (pos = (head)->next; pos != (head); pos = pos->next) + +#endif /* __KERNEL__ */ + +#endif diff -urN kernel/include/asm-m68knommu/io.h kernel-mtd/include/asm-m68knommu/io.h --- kernel/include/asm-m68knommu/io.h Mon Oct 30 22:40:06 2000 +++ kernel-mtd/include/asm-m68knommu/io.h Sun Mar 11 18:14:49 2001 @@ -21,6 +21,15 @@ #define writew(b,addr) ((*(volatile unsigned short *) (addr)) = (b)) #define writel(b,addr) ((*(volatile unsigned int *) (addr)) = (b)) +/* needed for MTD */ +#define __raw_writeb(val,addr) writeb(val,addr) +#define __raw_writew(val,addr) writew(val,addr) +#define __raw_writel(val,addr) writel(val,addr) + +#define __raw_readb(addr) readb(addr) +#define __raw_readw(addr) readw(addr) +#define __raw_readl(addr) readl(addr) + #if 0 /* There is no difference between I/O and memory on 68k, these are the same */