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* Patch by Nicolas Lacressonnire, 12 Nov 2003:

Browse Source 
update for for Atmel AT91RM9200DK development kit:
  - support for environment variables in DataFlash
  - Atmel DataFlash AT45DB1282 support

* Patch by Jeff Carr, 11 Nov 2003:
  add support for new version of 8270 processors

* Patches by George G. Davis, 05 Nov 2003:
  - only pass the ARM linux initrd tag to the kernel when an initrd
    is actually present
  - update omap1510inn configuration file
This commit is contained in:
wdenk
2003-12-06 23:55:10 +00:00
parent 8bf3b005dd
commit 5779d8d985
16 changed files with 662 additions and 281 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
include/dataflash.h
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@@ -37,16 +37,15 @@
#include <asm/arch/hardware.h>
#include "config.h"
/*number of protected area*/
#define NB_DATAFLASH_AREA 4
/*define the area structure*/
typedef struct {
unsigned long base; /* logical base address for a bank */
unsigned long size; /* total bank size */
unsigned long page_count;
unsigned long page_size;
unsigned long id; /* device id */
unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
} dataflash_info_t;
unsigned long start;
unsigned long end;
unsigned char protected;
} dataflash_protect_t;
typedef unsigned int AT91S_DataFlashStatus;
@@ -80,6 +79,7 @@ typedef struct _AT91S_Dataflash {
int page_offset; /* page offset in command */
int byte_mask; /* byte mask in command */
int cs;
dataflash_protect_t area_list[NB_DATAFLASH_AREA]; /* area protection status */
} AT91S_DataflashFeatures, *AT91PS_DataflashFeatures;
/*---------------------------------------------*/
@@ -91,13 +91,13 @@ typedef struct _AT91S_DataFlash {
} AT91S_DataFlash, *AT91PS_DataFlash;
typedef struct _AT91S_DATAFLASH_INFO {
AT91S_DataflashDesc Desc;
AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */
unsigned long logical_address;
unsigned int id; /* device id */
unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
} AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;
@@ -106,6 +106,7 @@ typedef struct _AT91S_DATAFLASH_INFO {
#define AT45DB161 0x2c
#define AT45DB321 0x34
#define AT45DB642 0x3c
#define AT45DB128 0x10
#define AT91C_DATAFLASH_TIMEOUT 10000 /* For AT91F_DataFlashWaitReady */
@@ -166,6 +167,9 @@ typedef struct _AT91S_DATAFLASH_INFO {
/*-------------------------------------------------------------------------------------------------*/
extern int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size);
extern int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr);
extern int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr);
extern int addr_dataflash (unsigned long addr);
extern int read_dataflash (unsigned long addr, unsigned long size, char *result);
extern int write_dataflash (unsigned long addr, unsigned long dest, unsigned long size);