consolidate more jedec standard code

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1457 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo 2004-03-20 16:46:10 +00:00
parent 6a1a1102ea
commit fbf43ac5a6
27 changed files with 762 additions and 695 deletions

View File

@ -47,9 +47,9 @@ void print_82802ab_status(unsigned char status)
printf("%s", status & 0x2 ? "WP|TBL#|WP#,ABORT:" : "UNLOCK:"); printf("%s", status & 0x2 ? "WP|TBL#|WP#,ABORT:" : "UNLOCK:");
} }
int probe_82802ab (struct flashchip * flash) int probe_82802ab(struct flashchip *flash)
{ {
volatile unsigned char * bios = flash->virt_addr; volatile unsigned char *bios = flash->virt_addr;
unsigned char id1, id2; unsigned char id1, id2;
#if 0 #if 0
@ -79,7 +79,7 @@ int probe_82802ab (struct flashchip * flash)
if (id1 == flash->manufacture_id && id2 == flash->model_id) { if (id1 == flash->manufacture_id && id2 == flash->model_id) {
size_t size = flash->total_size * 1024; size_t size = flash->total_size * 1024;
// we need to mmap the write-protect space. // we need to mmap the write-protect space.
bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED, bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
flash->fd_mem, (off_t) (0 - 0x400000 - size)); flash->fd_mem, (off_t) (0 - 0x400000 - size));
if (bios == MAP_FAILED) { if (bios == MAP_FAILED) {
// it's this part but we can't map it ... // it's this part but we can't map it ...
@ -94,7 +94,7 @@ int probe_82802ab (struct flashchip * flash)
return 0; return 0;
} }
unsigned char wait_82802ab(volatile unsigned char * bios) unsigned char wait_82802ab(volatile unsigned char *bios)
{ {
unsigned char status; unsigned char status;
@ -102,8 +102,7 @@ unsigned char wait_82802ab(volatile unsigned char * bios)
*bios = 0x70; *bios = 0x70;
if ((*bios & 0x80) == 0) { // it's busy if ((*bios & 0x80) == 0) { // it's busy
while ((*bios & 0x80) == 0) while ((*bios & 0x80) == 0);
;
} }
status = *bios; status = *bios;
@ -125,8 +124,9 @@ unsigned char wait_82802ab(volatile unsigned char * bios)
} }
int erase_82802ab_block(struct flashchip *flash, int offset) int erase_82802ab_block(struct flashchip *flash, int offset)
{ {
volatile unsigned char * bios = flash->virt_addr + offset; volatile unsigned char *bios = flash->virt_addr + offset;
volatile unsigned char *wrprotect = flash->virt_addr_2 + offset + 2; volatile unsigned char *wrprotect =
flash->virt_addr_2 + offset + 2;
unsigned char status; unsigned char status;
// clear status register // clear status register
@ -146,22 +146,22 @@ int erase_82802ab_block(struct flashchip *flash, int offset)
status = wait_82802ab(flash->virt_addr); status = wait_82802ab(flash->virt_addr);
//print_82802ab_status(status); //print_82802ab_status(status);
printf("DONE BLOCK 0x%x\n", offset); printf("DONE BLOCK 0x%x\n", offset);
return(0); return (0);
} }
int erase_82802ab (struct flashchip * flash) int erase_82802ab(struct flashchip *flash)
{ {
int i; int i;
unsigned int total_size = flash->total_size * 1024; unsigned int total_size = flash->total_size * 1024;
printf("total_size is %d; flash->page_size is %d\n", printf("total_size is %d; flash->page_size is %d\n",
total_size, flash->page_size); total_size, flash->page_size);
for(i = 0; i < total_size; i += flash->page_size) for (i = 0; i < total_size; i += flash->page_size)
erase_82802ab_block(flash, i); erase_82802ab_block(flash, i);
printf("DONE ERASE\n"); printf("DONE ERASE\n");
return(0); return (0);
} }
void write_page_82802ab (volatile char * bios, char * src, volatile char * dst, void write_page_82802ab(volatile char *bios, char *src, volatile char *dst,
int page_size) int page_size)
{ {
int i; int i;
@ -175,25 +175,27 @@ void write_page_82802ab (volatile char * bios, char * src, volatile char * dst,
} }
int write_82802ab (struct flashchip * flash, unsigned char * buf) int write_82802ab(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size *1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size =
volatile unsigned char * bios = flash->virt_addr; flash->page_size;
volatile unsigned char *bios = flash->virt_addr;
erase_82802ab (flash); erase_82802ab(flash);
if (*bios != 0xff) { if (*bios != 0xff) {
printf("ERASE FAILED\n"); printf("ERASE FAILED\n");
return -1; return -1;
} }
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
printf ("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
write_page_82802ab(bios, buf + i * page_size, bios + i * page_size, write_page_82802ab(bios, buf + i * page_size,
page_size); bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
} }
printf("\n"); printf("\n");
protect_82802ab (bios); protect_82802ab(bios);
return(0); return (0);
} }

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@ -1,11 +1,11 @@
#ifndef __82802AB_H__ #ifndef __82802AB_H__
#define __82802AB_H__ 1 #define __82802AB_H__ 1
extern int probe_82802ab (struct flashchip * flash); extern int probe_82802ab(struct flashchip *flash);
extern int erase_82802ab (struct flashchip * flash); extern int erase_82802ab(struct flashchip *flash);
extern int write_82802ab (struct flashchip * flash, unsigned char * buf); extern int write_82802ab(struct flashchip *flash, unsigned char *buf);
extern __inline__ void toggle_ready_82802ab (volatile char * dst) extern __inline__ void toggle_ready_82802ab(volatile char *dst)
{ {
unsigned int i = 0; unsigned int i = 0;
char tmp1, tmp2; char tmp1, tmp2;
@ -21,7 +21,7 @@ extern __inline__ void toggle_ready_82802ab (volatile char * dst)
} }
} }
extern __inline__ void data_polling_82802ab (volatile char * dst, char data) extern __inline__ void data_polling_82802ab(volatile char *dst, char data)
{ {
unsigned int i = 0; unsigned int i = 0;
char tmp; char tmp;
@ -36,7 +36,7 @@ extern __inline__ void data_polling_82802ab (volatile char * dst, char data)
} }
} }
extern __inline__ void protect_82802ab (volatile char * bios) extern __inline__ void protect_82802ab(volatile char *bios)
{ {
*(volatile char *) (bios + 0x5555) = 0xAA; *(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55; *(volatile char *) (bios + 0x2AAA) = 0x55;

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@ -28,7 +28,8 @@
#include "flash.h" #include "flash.h"
#include "jedec.h" #include "jedec.h"
static __inline__ int erase_sector_29f040b (volatile char * bios, unsigned long address) static __inline__ int erase_sector_29f040b(volatile char *bios,
unsigned long address)
{ {
*(bios + 0x555) = 0xAA; *(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55; *(bios + 0x2AA) = 0x55;
@ -42,16 +43,19 @@ static __inline__ int erase_sector_29f040b (volatile char * bios, unsigned long
/* wait for Toggle bit ready */ /* wait for Toggle bit ready */
toggle_ready_jedec(bios + address); toggle_ready_jedec(bios + address);
return(0); return (0);
} }
static __inline__ int write_sector_29f040b(volatile char * bios, unsigned char * src, static __inline__ int write_sector_29f040b(volatile char *bios,
volatile unsigned char * dst, unsigned int page_size) unsigned char *src,
volatile unsigned char *dst,
unsigned int page_size)
{ {
int i; int i;
for (i = 0; i < page_size; i++) { for (i = 0; i < page_size; i++) {
printf("0x%08lx", (unsigned long) dst - (unsigned long) bios); printf("0x%08lx",
(unsigned long) dst - (unsigned long) bios);
*(bios + 0x555) = 0xAA; *(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55; *(bios + 0x2AA) = 0x55;
@ -64,20 +68,20 @@ static __inline__ int write_sector_29f040b(volatile char * bios, unsigned char *
printf("\b\b\b\b\b\b\b\b\b\b"); printf("\b\b\b\b\b\b\b\b\b\b");
} }
return(0); return (0);
} }
int probe_29f040b (struct flashchip * flash) int probe_29f040b(struct flashchip *flash)
{ {
volatile unsigned char * bios = flash->virt_addr; volatile unsigned char *bios = flash->virt_addr;
unsigned char id1, id2; unsigned char id1, id2;
*(bios + 0x555) = 0xAA; *(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55; *(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0x90; *(bios + 0x555) = 0x90;
id1 = * bios; id1 = *bios;
id2 = * (bios + 0x01); id2 = *(bios + 0x01);
*bios = 0xF0; *bios = 0xF0;
@ -90,9 +94,9 @@ int probe_29f040b (struct flashchip * flash)
return 0; return 0;
} }
int erase_29f040b (struct flashchip * flash) int erase_29f040b(struct flashchip *flash)
{ {
volatile unsigned char * bios = flash->virt_addr; volatile unsigned char *bios = flash->virt_addr;
*(bios + 0x555) = 0xAA; *(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55; *(bios + 0x2AA) = 0x55;
@ -104,27 +108,28 @@ int erase_29f040b (struct flashchip * flash)
myusec_delay(10); myusec_delay(10);
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
return(0); return (0);
} }
int write_29f040b (struct flashchip * flash, unsigned char * buf) int write_29f040b(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size =
volatile char * bios = flash->virt_addr; flash->page_size;
volatile char *bios = flash->virt_addr;
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */ /* erase the page before programming */
erase_sector_29f040b(bios, i * page_size); erase_sector_29f040b(bios, i * page_size);
/* write to the sector */ /* write to the sector */
printf ("%04d at address: ", i); printf("%04d at address: ", i);
write_sector_29f040b(bios, buf + i * page_size, bios + i * page_size, write_sector_29f040b(bios, buf + i * page_size,
page_size); bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
} }
printf("\n"); printf("\n");
return(0); return (0);
} }

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@ -1,8 +1,8 @@
#ifndef __AM29F040B_H__ #ifndef __AM29F040B_H__
#define __AM29F040B_H__ 1 #define __AM29F040B_H__ 1
extern int probe_29f040b (struct flashchip * flash); extern int probe_29f040b(struct flashchip *flash);
extern int erase_29f040b (struct flashchip * flash); extern int erase_29f040b(struct flashchip *flash);
extern int write_29f040b (struct flashchip * flash, unsigned char * buf); extern int write_29f040b(struct flashchip *flash, unsigned char *buf);
#endif /* !__AM29F040B_H__ */ #endif /* !__AM29F040B_H__ */

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@ -5,18 +5,18 @@
#include <unistd.h> #include <unistd.h>
struct flashchip { struct flashchip {
char * name; char *name;
int manufacture_id; int manufacture_id;
int model_id; int model_id;
volatile char * virt_addr; volatile char *virt_addr;
int total_size; int total_size;
int page_size; int page_size;
int (*probe) (struct flashchip * flash); int (*probe) (struct flashchip * flash);
int (*erase) (struct flashchip * flash); int (*erase) (struct flashchip * flash);
int (*write) (struct flashchip * flash, unsigned char * buf); int (*write) (struct flashchip * flash, unsigned char *buf);
int (*read) (struct flashchip * flash, unsigned char * buf); int (*read) (struct flashchip * flash, unsigned char *buf);
int fd_mem; int fd_mem;
volatile char *virt_addr_2; volatile char *virt_addr_2;
@ -26,7 +26,7 @@ struct flashchip {
#define AM_29F040B 0xA4 #define AM_29F040B 0xA4
#define ATMEL_ID 0x1F /* Winbond Manufacture ID code */ #define ATMEL_ID 0x1F /* Winbond Manufacture ID code */
#define AT_29C040A 0xA4 /* Winbond w29c020c device code*/ #define AT_29C040A 0xA4 /* Winbond w29c020c device code */
#define MX_ID 0xC2 #define MX_ID 0xC2
#define MX_29F002 0xB0 #define MX_29F002 0xB0
@ -38,18 +38,18 @@ struct flashchip {
#define SST_39VF020 0xD6 /* SST 39VF020 device */ #define SST_39VF020 0xD6 /* SST 39VF020 device */
#define SST_49LF040 0x51 /* SST 49LF040 device */ #define SST_49LF040 0x51 /* SST 49LF040 device */
#define SST_49LF080A 0x5B /* SST 48LF080A device */ #define SST_49LF080A 0x5B /* SST 48LF080A device */
#define SST_49LF002A 0x57 /* SST 49LF002A device*/ #define SST_49LF002A 0x57 /* SST 49LF002A device */
#define SST_49LF003A 0x1B /* SST 49LF003A device*/ #define SST_49LF003A 0x1B /* SST 49LF003A device */
#define SST_49LF004A 0x60 /* SST 49LF004A device*/ #define SST_49LF004A 0x60 /* SST 49LF004A device */
#define SST_49LF008A 0x5A /* SST 49LF008A device*/ #define SST_49LF008A 0x5A /* SST 49LF008A device */
#define PMC_ID 0x9D /* PMC Manufacturer ID[B code */ #define PMC_ID 0x9D /* PMC Manufacturer ID[B code */
#define PMC_49FL004 0x6E /* PMC 49FL004 device code */ #define PMC_49FL004 0x6E /* PMC 49FL004 device code */
#define WINBOND_ID 0xDA /* Winbond Manufacture ID code */ #define WINBOND_ID 0xDA /* Winbond Manufacture ID code */
#define W_29C011 0xC1 /* Winbond w29c011 device code*/ #define W_29C011 0xC1 /* Winbond w29c011 device code */
#define W_29C020C 0x45 /* Winbond w29c020c device code*/ #define W_29C020C 0x45 /* Winbond w29c020c device code */
#define W_49F002U 0x0B /* Winbond w29c020c device code*/ #define W_49F002U 0x0B /* Winbond w29c020c device code */
#define ST_ID 0x20 #define ST_ID 0x20
#define ST_M29F400BT 0xD5 #define ST_M29F400BT 0xD5

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@ -3,7 +3,7 @@
#include <pci/pci.h> #include <pci/pci.h>
#include <stdlib.h> #include <stdlib.h>
static int enable_flash_sis630 (struct pci_dev *dev, char *name) static int enable_flash_sis630(struct pci_dev *dev, char *name)
{ {
char b; char b;
@ -75,7 +75,8 @@ static int enable_flash_e7500(struct pci_dev *dev, char *name)
pci_write_byte(dev, 0x4e, new); pci_write_byte(dev, 0x4e, new);
if (pci_read_byte(dev, 0x4e) != new) { if (pci_read_byte(dev, 0x4e) != new) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", printf
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x4e, new, name); 0x4e, new, name);
return -1; return -1;
} }
@ -103,12 +104,15 @@ static int enable_flash_vt8235(struct pci_dev *dev, char *name)
ok = pci_write_byte(dev, 0x40, new); ok = pci_write_byte(dev, 0x40, new);
if (ok != 0) { if (ok != 0) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", printf
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
old, new, name); old, new, name);
} }
/* enable GPIO15 which is connected to write protect. */ /* enable GPIO15 which is connected to write protect. */
base = ((pci_read_byte(dev, 0x88) & 0x80) | pci_read_byte(dev, 0x89) << 8); base =
((pci_read_byte(dev, 0x88) & 0x80) | pci_read_byte(dev, 0x89)
<< 8);
val = inb(base + 0x4d); val = inb(base + 0x4d);
val |= 0x80; val |= 0x80;
outb(val, base + 0x4d); outb(val, base + 0x4d);
@ -129,7 +133,8 @@ static int enable_flash_vt8231(struct pci_dev *dev, char *name)
pci_write_byte(dev, 0x40, val); pci_write_byte(dev, 0x40, val);
if (pci_read_byte(dev, 0x40) != val) { if (pci_read_byte(dev, 0x40) != val) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", printf
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x40, val, name); 0x40, val, name);
return -1; return -1;
} }
@ -145,7 +150,8 @@ static int enable_flash_cs5530(struct pci_dev *dev, char *name)
new = pci_read_byte(dev, 0x52); new = pci_read_byte(dev, 0x52);
if (new != 0xee) { if (new != 0xee) {
printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n", printf
("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x52, new, name); 0x52, new, name);
return -1; return -1;
} }
@ -161,7 +167,8 @@ static int enable_flash_sc1100(struct pci_dev *dev, char *name)
new = pci_read_byte(dev, 0x52); new = pci_read_byte(dev, 0x52);
if (new != 0xee) { if (new != 0xee) {
printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n", printf
("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x52, new, name); 0x52, new, name);
return -1; return -1;
} }
@ -175,7 +182,7 @@ static int enable_flash_sis5595(struct pci_dev *dev, char *name)
new = pci_read_byte(dev, 0x45); new = pci_read_byte(dev, 0x45);
/* clear bit 5 */ /* clear bit 5 */
new &= (~ 0x20); new &= (~0x20);
/* set bit 2 */ /* set bit 2 */
new |= 0x4; new |= 0x4;
@ -183,7 +190,8 @@ static int enable_flash_sis5595(struct pci_dev *dev, char *name)
newer = pci_read_byte(dev, 0x45); newer = pci_read_byte(dev, 0x45);
if (newer != new) { if (newer != new) {
printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n", printf
("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x45, new, name); 0x45, new, name);
printf("Stuck at 0x%x\n", newer); printf("Stuck at 0x%x\n", newer);
return -1; return -1;
@ -191,7 +199,8 @@ static int enable_flash_sis5595(struct pci_dev *dev, char *name)
return 0; return 0;
} }
static int enable_flash_amd8111(struct pci_dev *dev, char *name) { static int enable_flash_amd8111(struct pci_dev *dev, char *name)
{
/* register 4e.b gets or'ed with one */ /* register 4e.b gets or'ed with one */
unsigned char old, new; unsigned char old, new;
/* if it fails, it fails. There are so many variations of broken mobos /* if it fails, it fails. There are so many variations of broken mobos
@ -205,7 +214,8 @@ static int enable_flash_amd8111(struct pci_dev *dev, char *name) {
if (new != old) { if (new != old) {
pci_write_byte(dev, 0x43, new); pci_write_byte(dev, 0x43, new);
if (pci_read_byte(dev, 0x43) != new) { if (pci_read_byte(dev, 0x43) != new) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", printf
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x43, new, name); 0x43, new, name);
} }
} }
@ -217,7 +227,8 @@ static int enable_flash_amd8111(struct pci_dev *dev, char *name) {
pci_write_byte(dev, 0x40, new); pci_write_byte(dev, 0x40, new);
if (pci_read_byte(dev, 0x40) != new) { if (pci_read_byte(dev, 0x40) != new) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", printf
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x40, new, name); 0x40, new, name);
return -1; return -1;
} }
@ -227,7 +238,7 @@ static int enable_flash_amd8111(struct pci_dev *dev, char *name) {
typedef struct penable { typedef struct penable {
unsigned short vendor, device; unsigned short vendor, device;
char *name; char *name;
int (*doit)(struct pci_dev *dev, char *name); int (*doit) (struct pci_dev * dev, char *name);
} FLASH_ENABLE; } FLASH_ENABLE;
static FLASH_ENABLE enables[] = { static FLASH_ENABLE enables[] = {
@ -254,14 +265,15 @@ int enable_flash_write()
pci_scan_bus(pacc); /* We want to get the list of devices */ pci_scan_bus(pacc); /* We want to get the list of devices */
/* now let's try to find the chipset we have ... */ /* now let's try to find the chipset we have ... */
for (i = 0; i < sizeof(enables)/sizeof(enables[0]) && (! dev); i++) { for (i = 0; i < sizeof(enables) / sizeof(enables[0]) && (!dev);
i++) {
struct pci_filter f; struct pci_filter f;
struct pci_dev *z; struct pci_dev *z;
/* the first param is unused. */ /* the first param is unused. */
pci_filter_init((struct pci_access *) 0, &f); pci_filter_init((struct pci_access *) 0, &f);
f.vendor = enables[i].vendor; f.vendor = enables[i].vendor;
f.device = enables[i].device; f.device = enables[i].device;
for (z=pacc->devices; z; z=z->next) for (z = pacc->devices; z; z = z->next)
if (pci_filter_match(&f, z)) { if (pci_filter_match(&f, z)) {
enable = &enables[i]; enable = &enables[i];
dev = z; dev = z;

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@ -73,5 +73,5 @@ int main()
outb(0x02, 0x2e); outb(0x02, 0x2e);
outb(0x02, 0x2f); outb(0x02, 0x2f);
return(0); return (0);
} }

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@ -48,59 +48,60 @@
#include "mx29f002.h" #include "mx29f002.h"
struct flashchip flashchips[] = { struct flashchip flashchips[] = {
{"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024, {"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64 * 1024,
probe_29f040b, erase_29f040b, write_29f040b, NULL}, probe_29f040b, erase_29f040b, write_29f040b, NULL},
{"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256, {"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
probe_jedec, erase_jedec, write_jedec, NULL}, probe_jedec, erase_chip_jedec, write_jedec, NULL},
{"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64*1024, {"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64 * 1024,
probe_29f002, erase_29f002, write_29f002, NULL}, probe_29f002, erase_29f002, write_29f002, NULL},
{"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128, {"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128,
probe_jedec, erase_jedec, write_jedec, NULL}, probe_jedec, erase_chip_jedec, write_jedec, NULL},
{"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256, {"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
probe_28sf040, erase_28sf040, write_28sf040, NULL}, probe_28sf040, erase_28sf040, write_28sf040, NULL},
{"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096, {"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
probe_jedec, erase_jedec, write_39sf020, NULL}, probe_jedec, erase_chip_jedec, write_39sf020, NULL},
{"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096, {"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
probe_jedec, erase_jedec, write_39sf020, NULL}, probe_jedec, erase_chip_jedec, write_39sf020, NULL},
{"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096, {"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096,
probe_jedec, erase_jedec, write_49lf040, NULL}, probe_jedec, erase_chip_jedec, write_49lf040, NULL},
{"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096, {"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096,
probe_jedec, erase_jedec, write_49lf040, NULL}, probe_jedec, erase_chip_jedec, write_49lf040, NULL},
{"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096, {"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096,
probe_jedec, erase_jedec, write_49lf040, NULL}, probe_jedec, erase_chip_jedec, write_49lf040, NULL},
{"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096, {"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096,
probe_jedec, erase_jedec, write_49lf040, NULL}, probe_jedec, erase_chip_jedec, write_49lf040, NULL},
{"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096, {"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096,
probe_jedec, erase_jedec, write_49lf040, NULL}, probe_jedec, erase_chip_jedec, write_49lf040, NULL},
{"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096, {"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096,
probe_jedec, erase_jedec, write_49lf040, NULL}, probe_jedec, erase_chip_jedec, write_49lf040, NULL},
{"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024, {"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64 * 1024,
probe_jedec, erase_jedec, write_49fl004, NULL}, probe_jedec, erase_chip_jedec, write_49fl004, NULL},
{"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128, {"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
probe_jedec, erase_jedec, write_jedec, NULL}, probe_jedec, erase_chip_jedec, write_jedec, NULL},
{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128, {"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
probe_jedec, erase_jedec, write_jedec, NULL}, probe_jedec, erase_chip_jedec, write_jedec, NULL},
{"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128, {"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
probe_jedec, erase_jedec, write_49f002, NULL}, probe_jedec, erase_chip_jedec, write_49f002, NULL},
{"M29F400BT", ST_ID, ST_M29F400BT ,NULL, 512, 64*1024, {"M29F400BT", ST_ID, ST_M29F400BT, NULL, 512, 64 * 1024,
probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL}, probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt,
{"82802ab", 137, 173 , NULL, 512, 64*1024, NULL},
{"82802ab", 137, 173, NULL, 512, 64 * 1024,
probe_82802ab, erase_82802ab, write_82802ab, NULL}, probe_82802ab, erase_82802ab, write_82802ab, NULL},
{"82802ac", 137, 172 , NULL, 1024, 64*1024, {"82802ac", 137, 172, NULL, 1024, 64 * 1024,
probe_82802ab, erase_82802ab, write_82802ab, NULL}, probe_82802ab, erase_82802ab, write_82802ab, NULL},
{"MD-2802 (M-Systems DiskOnChip Millennium Module)", {"MD-2802 (M-Systems DiskOnChip Millennium Module)",
MSYSTEMS_ID, MSYSTEMS_MD2802, MSYSTEMS_ID, MSYSTEMS_MD2802,
NULL, 8, 8*1024, NULL, 8, 8 * 1024,
probe_md2802, erase_md2802, write_md2802, read_md2802}, probe_md2802, erase_md2802, write_md2802, read_md2802},
{NULL,} {NULL,}
}; };
char *chip_to_probe = NULL; char *chip_to_probe = NULL;
struct flashchip * probe_flash(struct flashchip * flash) struct flashchip *probe_flash(struct flashchip *flash)
{ {
int fd_mem; int fd_mem;
volatile char * bios; volatile char *bios;
unsigned long size; unsigned long size;
if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) { if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
@ -109,20 +110,23 @@ struct flashchip * probe_flash(struct flashchip * flash)
} }
while (flash->name != NULL) { while (flash->name != NULL) {
if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0) { if (chip_to_probe
&& strcmp(flash->name, chip_to_probe) != 0) {
flash++; flash++;
continue; continue;
} }
printf("Trying %s, %d KB\n", flash->name, flash->total_size); printf("Trying %s, %d KB\n", flash->name,
flash->total_size);
size = flash->total_size * 1024; size = flash->total_size * 1024;
/* BUG? what happens if getpagesize() > size!? /* BUG? what happens if getpagesize() > size!?
-> ``Error MMAP /dev/mem: Invalid argument'' NIKI */ -> ``Error MMAP /dev/mem: Invalid argument'' NIKI */
if (getpagesize() > size) { if (getpagesize() > size) {
size = getpagesize(); size = getpagesize();
printf("%s: warning: size: %d -> %ld\n", __FUNCTION__, printf("%s: warning: size: %d -> %ld\n",
flash->total_size * 1024, (unsigned long)size); __FUNCTION__, flash->total_size * 1024,
(unsigned long) size);
} }
bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED, bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0xffffffff - size + 1)); fd_mem, (off_t) (0xffffffff - size + 1));
if (bios == MAP_FAILED) { if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem"); perror("Error MMAP /dev/mem");
@ -132,27 +136,27 @@ struct flashchip * probe_flash(struct flashchip * flash)
flash->fd_mem = fd_mem; flash->fd_mem = fd_mem;
if (flash->probe(flash) == 1) { if (flash->probe(flash) == 1) {
printf ("%s found at physical address: 0x%lx\n", printf("%s found at physical address: 0x%lx\n",
flash->name, (0xffffffff - size + 1)); flash->name, (0xffffffff - size + 1));
return flash; return flash;
} }
munmap ((void *) bios, size); munmap((void *) bios, size);
flash++; flash++;
} }
return NULL; return NULL;
} }
int verify_flash (struct flashchip * flash, char * buf, int verbose) int verify_flash(struct flashchip *flash, char *buf, int verbose)
{ {
int i = 0; int i = 0;
int total_size = flash->total_size *1024; int total_size = flash->total_size * 1024;
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
printf("Verifying address: "); printf("Verifying address: ");
while (i < total_size) { while (i < total_size) {
if (verbose) if (verbose)
printf("0x%08x", i); printf("0x%08x", i);
if (*(bios+i) != *(buf+i)) { if (*(bios + i) != *(buf + i)) {
printf("FAILED\n"); printf("FAILED\n");
return 0; return 0;
} }
@ -180,12 +184,12 @@ void usage(const char *name)
exit(1); exit(1);
} }
int main (int argc, char * argv[]) int main(int argc, char *argv[])
{ {
char * buf; char *buf;
unsigned long size; unsigned long size;
FILE * image; FILE *image;
struct flashchip * flash; struct flashchip *flash;
int opt; int opt;
int read_it = 0, write_it = 0, verify_it = 0, verbose = 0; int read_it = 0, write_it = 0, verify_it = 0, verbose = 0;
char *filename = NULL; char *filename = NULL;
@ -222,7 +226,8 @@ int main (int argc, char * argv[])
if (optind < argc) if (optind < argc)
filename = argv[optind++]; filename = argv[optind++];
printf("Calibrating timer since microsleep sucks ... takes a second\n"); printf
("Calibrating timer since microsleep sucks ... takes a second\n");
myusec_calibrate_delay(); myusec_calibrate_delay();
printf("OK, calibrated, now do the deed\n"); printf("OK, calibrated, now do the deed\n");
@ -231,21 +236,22 @@ int main (int argc, char * argv[])
*/ */
(void) enable_flash_write(); (void) enable_flash_write();
if ((flash = probe_flash (flashchips)) == NULL) { if ((flash = probe_flash(flashchips)) == NULL) {
printf("EEPROM not found\n"); printf("EEPROM not found\n");
exit(1); exit(1);
} }
printf("Part is %s\n", flash->name); printf("Part is %s\n", flash->name);
if (!filename){ if (!filename) {
printf("OK, only ENABLING flash write, but NOT FLASHING\n"); printf
("OK, only ENABLING flash write, but NOT FLASHING\n");
return 0; return 0;
} }
size = flash->total_size * 1024; size = flash->total_size * 1024;
buf = (char *) calloc (size, sizeof(char)); buf = (char *) calloc(size, sizeof(char));
if (read_it) { if (read_it) {
if ((image = fopen (filename, "w")) == NULL) { if ((image = fopen(filename, "w")) == NULL) {
perror(filename); perror(filename);
exit(1); exit(1);
} }
@ -253,22 +259,22 @@ int main (int argc, char * argv[])
if (flash->read == NULL) if (flash->read == NULL)
memcpy(buf, (const char *) flash->virt_addr, size); memcpy(buf, (const char *) flash->virt_addr, size);
else else
flash->read (flash, buf); flash->read(flash, buf);
fwrite(buf, sizeof(char), size, image); fwrite(buf, sizeof(char), size, image);
fclose(image); fclose(image);
printf("done\n"); printf("done\n");
} else { } else {
if ((image = fopen (filename, "r")) == NULL) { if ((image = fopen(filename, "r")) == NULL) {
perror(filename); perror(filename);
exit(1); exit(1);
} }
fread (buf, sizeof(char), size, image); fread(buf, sizeof(char), size, image);
fclose(image); fclose(image);
} }
if (write_it || (!read_it && !verify_it)) if (write_it || (!read_it && !verify_it))
flash->write (flash, buf); flash->write(flash, buf);
if (verify_it) if (verify_it)
verify_flash (flash, buf, verbose); verify_flash(flash, buf, verbose);
return 0; return 0;
} }

View File

@ -28,11 +28,12 @@
#include "flash.h" #include "flash.h"
#include "jedec.h" #include "jedec.h"
int probe_jedec (struct flashchip * flash) int probe_jedec(struct flashchip *flash)
{ {
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
unsigned char id1, id2; unsigned char id1, id2;
/* Issue JEDEC Product ID Entry command */
*(volatile char *) (bios + 0x5555) = 0xAA; *(volatile char *) (bios + 0x5555) = 0xAA;
myusec_delay(10); myusec_delay(10);
*(volatile char *) (bios + 0x2AAA) = 0x55; *(volatile char *) (bios + 0x2AAA) = 0x55;
@ -40,9 +41,11 @@ int probe_jedec (struct flashchip * flash)
*(volatile char *) (bios + 0x5555) = 0x90; *(volatile char *) (bios + 0x5555) = 0x90;
myusec_delay(10); myusec_delay(10);
/* Read product ID */
id1 = *(volatile unsigned char *) bios; id1 = *(volatile unsigned char *) bios;
id2 = *(volatile unsigned char *) (bios + 0x01); id2 = *(volatile unsigned char *) (bios + 0x01);
/* Issue JEDEC Product ID Exit command */
*(volatile char *) (bios + 0x5555) = 0xAA; *(volatile char *) (bios + 0x5555) = 0xAA;
myusec_delay(10); myusec_delay(10);
*(volatile char *) (bios + 0x2AAA) = 0x55; *(volatile char *) (bios + 0x2AAA) = 0x55;
@ -57,87 +60,144 @@ int probe_jedec (struct flashchip * flash)
return 0; return 0;
} }
int erase_sector_jedec (volatile char * bios, unsigned int page) int erase_sector_jedec(volatile char *bios, unsigned int page)
{ {
/* Chip erase function does not exist for LPC mode on 49lf040.
* Erase sector-by-sector instead. */
volatile unsigned char *Temp; volatile unsigned char *Temp;
/* Issue the Sector Erase command to 40LF040 */ /* Issue the Sector Erase command */
Temp = bios + 0x5555; /* set up address to be C000:5555h */ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
*Temp = 0xAA; /* write data 0xAA to the address */ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */ Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */
*Temp = 0x55; /* write data 0x55 to the address */ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
*Temp = 0x80; /* write data 0x80 to the address */ *Temp = 0x80; /* write data 0x80 to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
*Temp = 0xAA; /* write data 0xAA to the address */ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */ Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */
*Temp = 0x55; /* write data 0x55 to the address */ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + page; /* set up address to be the current sector */ Temp = bios + page; /* set up address to be the current sector */
*Temp = 0x30; /* write data 0x30 to the address */ *Temp = 0x30; /* write data 0x30 to the address */
myusec_delay(10);
/* wait for Toggle bit ready */ /* wait for Toggle bit ready */
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
return(0); return (0);
} }
int erase_jedec (struct flashchip * flash) int erase_chip_jedec(struct flashchip *flash)
{ {
volatile unsigned char * bios = flash->virt_addr; volatile unsigned char *bios = flash->virt_addr;
volatile unsigned char *Temp; volatile unsigned char *Temp;
/* Issue the Sector Erase command to 39SF020 */ /* Issue the JEDEC Chip Erase command */
Temp = bios + 0x5555; /* set up address to be C000:5555h */ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
*Temp = 0xAA; /* write data 0xAA to the address */ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */ Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */
*Temp = 0x55; /* write data 0x55 to the address */ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
*Temp = 0x80; /* write data 0x80 to the address */ *Temp = 0x80; /* write data 0x80 to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
*Temp = 0xAA; /* write data 0xAA to the address */ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */ Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */
*Temp = 0x55; /* write data 0x55 to the address */ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10); myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */ Temp = bios + 0x5555; /* set up address to be BASEy:5555h */
*Temp = 0x10; /* write data 0x55 to the address */ *Temp = 0x10; /* write data 0x10 to the address */
myusec_delay(10); myusec_delay(10);
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
return(0); return (0);
} }
int write_jedec (struct flashchip * flash, unsigned char * buf) void write_page_jedec(volatile char *bios, char *src, volatile char *dst,
int page_size)
{ {
int i; int i;
int total_size = flash->total_size *1024, page_size = flash->page_size;
volatile unsigned char * bios = flash->virt_addr;
erase_jedec (flash); /* Issue JEDEC Data Unprotect comand */
if (*bios != (unsigned char ) 0xff) { *(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55;
*(volatile char *) (bios + 0x5555) = 0xA0;
for (i = 0; i < page_size; i++) {
/* transfer data from source to destination */
*dst++ = *src++;
}
usleep(100);
toggle_ready_jedec(dst - 1);
}
int write_sector_jedec(volatile char *bios,
unsigned char *src,
volatile unsigned char *dst, unsigned int page_size)
{
int i;
volatile char *Temp;
for (i = 0; i < page_size; i++) {
if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x\n", dst,
*dst);
return (-1);
}
/* transfer data from source to destination */
if (*src == 0xFF) {
dst++, src++;
/* If the data is 0xFF, don't program it */
continue;
}
/* Issue JEDEC Byte Program command */
Temp = bios + 0x5555;
*Temp = 0xAA;
Temp = bios + 0x2AAA;
*Temp = 0x55;
Temp = bios + 0x5555;
*Temp = 0xA0;
*dst = *src;
toggle_ready_jedec(bios);
if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long) dst, *dst, *src);
dst++, src++;
}
return (0);
}
int write_jedec(struct flashchip *flash, unsigned char *buf)
{
int i;
int total_size = flash->total_size * 1024, page_size =
flash->page_size;
volatile unsigned char *bios = flash->virt_addr;
erase_chip_jedec(flash);
if (*bios != (unsigned char) 0xff) {
printf("ERASE FAILED\n"); printf("ERASE FAILED\n");
return -1; return -1;
} }
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
printf ("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
write_page_jedec(bios, buf + i * page_size, bios + i * page_size, write_page_jedec(bios, buf + i * page_size,
page_size); bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
} }
printf("\n"); printf("\n");
protect_jedec (bios); protect_jedec(bios);
return(0); return (0);
} }

View File

@ -1,11 +1,16 @@
#ifndef __JEDEC_H__ #ifndef __JEDEC_H__
#define __JEDEC_H__ 1 #define __JEDEC_H__ 1
extern int probe_jedec (struct flashchip * flash); extern int probe_jedec(struct flashchip *flash);
extern int erase_jedec (struct flashchip * flash); extern int erase_chip_jedec(struct flashchip *flash);
extern int write_jedec (struct flashchip * flash, unsigned char * buf); extern int write_jedec(struct flashchip *flash, unsigned char *buf);
extern int erase_sector_jedec(volatile char *bios, unsigned int page);
extern int write_sector_jedec(volatile char *bios,
unsigned char *src,
volatile unsigned char *dst,
unsigned int page_size);
extern __inline__ void toggle_ready_jedec (volatile char * dst) extern __inline__ void toggle_ready_jedec(volatile char *dst)
{ {
unsigned int i = 0; unsigned int i = 0;
char tmp1, tmp2; char tmp1, tmp2;
@ -21,7 +26,7 @@ extern __inline__ void toggle_ready_jedec (volatile char * dst)
} }
} }
extern __inline__ void data_polling_jedec (volatile char * dst, char data) extern __inline__ void data_polling_jedec(volatile char *dst, char data)
{ {
unsigned int i = 0; unsigned int i = 0;
char tmp; char tmp;
@ -36,7 +41,19 @@ extern __inline__ void data_polling_jedec (volatile char * dst, char data)
} }
} }
extern __inline__ void protect_jedec (volatile char * bios) extern __inline__ void unprotect_jedec(volatile char *bios)
{
*(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55;
*(volatile char *) (bios + 0x5555) = 0x80;
*(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55;
*(volatile char *) (bios + 0x5555) = 0x20;
usleep(200);
}
extern __inline__ void protect_jedec(volatile char *bios)
{ {
*(volatile char *) (bios + 0x5555) = 0xAA; *(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55; *(volatile char *) (bios + 0x2AAA) = 0x55;
@ -45,60 +62,5 @@ extern __inline__ void protect_jedec (volatile char * bios)
usleep(200); usleep(200);
} }
extern int erase_sector_jedec (volatile char * bios, unsigned int page);
extern __inline__ void write_page_jedec (volatile char * bios, char * src, volatile char * dst,
int page_size)
{
int i;
*(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55;
*(volatile char *) (bios + 0x5555) = 0xA0;
for (i = 0; i < page_size; i++) {
/* transfer data from source to destination */
*dst++ = *src++;
}
usleep(100);
toggle_ready_jedec(dst-1);
}
static __inline__ int write_sector_jedec(volatile char * bios,
unsigned char * src,
volatile unsigned char * dst,
unsigned int page_size)
{
int i;
volatile char *Temp;
for (i = 0; i < page_size; i++) {
if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x\n", dst, *dst);
return(-1);
}
/* transfer data from source to destination */
if (*src == 0xFF) {
dst++, src++;
/* If the data is 0xFF, don't program it */
continue;
}
Temp = (bios + 0x5555);
*Temp = 0xAA;
Temp = bios + 0x2AAA;
*Temp = 0x55;
Temp = bios + 0x5555;
*Temp = 0xA0;
*dst = *src;
toggle_ready_jedec(bios);
if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long)dst, *dst, *src);
dst++, src++;
}
return(0);
}
#endif /* !__JEDEC_H__ */ #endif /* !__JEDEC_H__ */

View File

@ -27,9 +27,9 @@
#include "flash.h" #include "flash.h"
#include "m29f400bt.h" #include "m29f400bt.h"
int probe_m29f400bt (struct flashchip * flash) int probe_m29f400bt(struct flashchip *flash)
{ {
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
unsigned char id1, id2; unsigned char id1, id2;
*(volatile char *) (bios + 0xAAA) = 0xAA; *(volatile char *) (bios + 0xAAA) = 0xAA;
@ -56,9 +56,9 @@ int probe_m29f400bt (struct flashchip * flash)
return 0; return 0;
} }
int erase_m29f400bt (struct flashchip * flash) int erase_m29f400bt(struct flashchip *flash)
{ {
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
*(volatile char *) (bios + 0xAAA) = 0xAA; *(volatile char *) (bios + 0xAAA) = 0xAA;
*(volatile char *) (bios + 0x555) = 0x55; *(volatile char *) (bios + 0x555) = 0x55;
@ -71,10 +71,10 @@ int erase_m29f400bt (struct flashchip * flash)
myusec_delay(10); myusec_delay(10);
toggle_ready_m29f400bt(bios); toggle_ready_m29f400bt(bios);
return(0); return (0);
} }
int block_erase_m29f400bt (volatile char * bios ,volatile char * dst) int block_erase_m29f400bt(volatile char *bios, volatile char *dst)
{ {
*(volatile char *) (bios + 0xAAA) = 0xAA; *(volatile char *) (bios + 0xAAA) = 0xAA;
@ -89,17 +89,18 @@ int block_erase_m29f400bt (volatile char * bios ,volatile char * dst)
myusec_delay(10); myusec_delay(10);
toggle_ready_m29f400bt(bios); toggle_ready_m29f400bt(bios);
return(0); return (0);
} }
int write_m29f400bt (struct flashchip * flash, unsigned char * buf) int write_m29f400bt(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size *1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size =
volatile char * bios = flash->virt_addr; flash->page_size;
volatile char *bios = flash->virt_addr;
//erase_m29f400bt (flash); //erase_m29f400bt (flash);
printf ("Programming Page:\n "); printf("Programming Page:\n ");
/********************************* /*********************************
*Pages for M29F400BT: *Pages for M29F400BT:
* 16 0x7c000 0x7ffff TOP * 16 0x7c000 0x7ffff TOP
@ -115,42 +116,47 @@ int write_m29f400bt (struct flashchip * flash, unsigned char * buf)
* 64 0x10000 0x1ffff * 64 0x10000 0x1ffff
* 64 0x00000 0x0ffff BOTTOM * 64 0x00000 0x0ffff BOTTOM
*********************************/ *********************************/
printf("total_size/page_size = %d\n",total_size/page_size); printf("total_size/page_size = %d\n", total_size / page_size);
for (i = 0; i < (total_size/page_size)-1; i++) { for (i = 0; i < (total_size / page_size) - 1; i++) {
printf("%04d at address: 0x%08x\n", i, i * page_size); printf("%04d at address: 0x%08x\n", i, i * page_size);
block_erase_m29f400bt(bios, bios + i * page_size); block_erase_m29f400bt(bios, bios + i * page_size);
write_page_m29f400bt(bios, buf + i * page_size, bios + i * page_size, write_page_m29f400bt(bios, buf + i * page_size,
page_size); bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
} }
printf("%04d at address: 0x%08x\n",7,0x70000); printf("%04d at address: 0x%08x\n", 7, 0x70000);
block_erase_m29f400bt(bios , bios + 0x70000); block_erase_m29f400bt(bios, bios + 0x70000);
write_page_m29f400bt(bios,buf + 0x70000, bios + 0x70000, 32*1024); write_page_m29f400bt(bios, buf + 0x70000, bios + 0x70000,
32 * 1024);
printf("%04d at address: 0x%08x\n",8,0x78000); printf("%04d at address: 0x%08x\n", 8, 0x78000);
block_erase_m29f400bt(bios , bios + 0x78000); block_erase_m29f400bt(bios, bios + 0x78000);
write_page_m29f400bt(bios,buf + 0x78000, bios + 0x78000, 8*1024); write_page_m29f400bt(bios, buf + 0x78000, bios + 0x78000,
8 * 1024);
printf("%04d at address: 0x%08x\n",9,0x7a000); printf("%04d at address: 0x%08x\n", 9, 0x7a000);
block_erase_m29f400bt(bios , bios + 0x7a000); block_erase_m29f400bt(bios, bios + 0x7a000);
write_page_m29f400bt(bios,buf + 0x7a000, bios + 0x7a000, 8*1024); write_page_m29f400bt(bios, buf + 0x7a000, bios + 0x7a000,
8 * 1024);
printf("%04d at address: 0x%08x\n",10,0x7c000); printf("%04d at address: 0x%08x\n", 10, 0x7c000);
block_erase_m29f400bt(bios , bios + 0x7c000); block_erase_m29f400bt(bios, bios + 0x7c000);
write_page_m29f400bt(bios,buf + 0x7c000, bios + 0x7c000, 16*1024); write_page_m29f400bt(bios, buf + 0x7c000, bios + 0x7c000,
16 * 1024);
printf("\n"); printf("\n");
//protect_m29f400bt (bios); //protect_m29f400bt (bios);
return(0); return (0);
} }
int write_linuxbios_m29f400bt (struct flashchip * flash, unsigned char * buf) int write_linuxbios_m29f400bt(struct flashchip *flash, unsigned char *buf)
{ {
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
printf ("Programming Page:\n "); printf("Programming Page:\n ");
/********************************* /*********************************
*Pages for M29F400BT: *Pages for M29F400BT:
* 16 0x7c000 0x7ffff TOP * 16 0x7c000 0x7ffff TOP
@ -166,24 +172,28 @@ int write_linuxbios_m29f400bt (struct flashchip * flash, unsigned char * buf)
* 64 0x10000 0x1ffff * 64 0x10000 0x1ffff
* 64 0x00000 0x0ffff BOTTOM * 64 0x00000 0x0ffff BOTTOM
*********************************/ *********************************/
printf("%04d at address: 0x%08x\n",7,0x00000); printf("%04d at address: 0x%08x\n", 7, 0x00000);
block_erase_m29f400bt(bios , bios + 0x00000); block_erase_m29f400bt(bios, bios + 0x00000);
write_page_m29f400bt(bios,buf + 0x00000, bios + 0x00000, 64*1024); write_page_m29f400bt(bios, buf + 0x00000, bios + 0x00000,
64 * 1024);
printf("%04d at address: 0x%08x\n",7,0x10000); printf("%04d at address: 0x%08x\n", 7, 0x10000);
block_erase_m29f400bt(bios , bios + 0x10000); block_erase_m29f400bt(bios, bios + 0x10000);
write_page_m29f400bt(bios,buf + 0x10000, bios + 0x10000, 64*1024); write_page_m29f400bt(bios, buf + 0x10000, bios + 0x10000,
64 * 1024);
printf("%04d at address: 0x%08x\n",7,0x20000); printf("%04d at address: 0x%08x\n", 7, 0x20000);
block_erase_m29f400bt(bios , bios + 0x20000); block_erase_m29f400bt(bios, bios + 0x20000);
write_page_m29f400bt(bios,buf + 0x20000, bios + 0x20000, 64*1024); write_page_m29f400bt(bios, buf + 0x20000, bios + 0x20000,
64 * 1024);
printf("%04d at address: 0x%08x\n",7,0x30000); printf("%04d at address: 0x%08x\n", 7, 0x30000);
block_erase_m29f400bt(bios , bios + 0x30000); block_erase_m29f400bt(bios, bios + 0x30000);
write_page_m29f400bt(bios,buf + 0x30000, bios + 0x30000, 64*1024); write_page_m29f400bt(bios, buf + 0x30000, bios + 0x30000,
64 * 1024);
printf("\n"); printf("\n");
//protect_m29f400bt (bios); //protect_m29f400bt (bios);
return(0); return (0);
} }

View File

@ -3,13 +3,14 @@
#include <stdio.h> #include <stdio.h>
extern int probe_m29f400bt (struct flashchip * flash); extern int probe_m29f400bt(struct flashchip *flash);
extern int erase_m29f400bt (struct flashchip * flash); extern int erase_m29f400bt(struct flashchip *flash);
extern int block_erase_m29f400bt (volatile char * bios, volatile char * dst); extern int block_erase_m29f400bt(volatile char *bios, volatile char *dst);
extern int write_m29f400bt (struct flashchip * flash, unsigned char * buf); extern int write_m29f400bt(struct flashchip *flash, unsigned char *buf);
extern int write_linuxbios_m29f400bt (struct flashchip * flash, unsigned char * buf); extern int write_linuxbios_m29f400bt(struct flashchip *flash,
unsigned char *buf);
extern __inline__ void toggle_ready_m29f400bt (volatile char * dst) extern __inline__ void toggle_ready_m29f400bt(volatile char *dst)
{ {
unsigned int i = 0; unsigned int i = 0;
char tmp1, tmp2; char tmp1, tmp2;
@ -25,7 +26,8 @@ extern __inline__ void toggle_ready_m29f400bt (volatile char * dst)
} }
} }
extern __inline__ void data_polling_m29f400bt (volatile char * dst, unsigned char data) extern __inline__ void data_polling_m29f400bt(volatile char *dst,
unsigned char data)
{ {
unsigned int i = 0; unsigned int i = 0;
char tmp; char tmp;
@ -40,7 +42,7 @@ extern __inline__ void data_polling_m29f400bt (volatile char * dst, unsigned cha
} }
} }
extern __inline__ void protect_m29f400bt (volatile char * bios) extern __inline__ void protect_m29f400bt(volatile char *bios)
{ {
*(volatile char *) (bios + 0xAAA) = 0xAA; *(volatile char *) (bios + 0xAAA) = 0xAA;
*(volatile char *) (bios + 0x555) = 0x55; *(volatile char *) (bios + 0x555) = 0x55;
@ -49,7 +51,8 @@ extern __inline__ void protect_m29f400bt (volatile char * bios)
usleep(200); usleep(200);
} }
extern __inline__ void write_page_m29f400bt (volatile char * bios, char * src, volatile char * dst, extern __inline__ void write_page_m29f400bt(volatile char *bios, char *src,
volatile char *dst,
int page_size) int page_size)
{ {
int i; int i;
@ -64,7 +67,9 @@ extern __inline__ void write_page_m29f400bt (volatile char * bios, char * src, v
//*(volatile char *) (bios) = 0xF0; //*(volatile char *) (bios) = 0xF0;
//usleep(5); //usleep(5);
toggle_ready_m29f400bt(dst); toggle_ready_m29f400bt(dst);
printf("Value in the flash at address %p = %#x, want %#x\n",(char *)(dst-bios), *dst, *src); printf
("Value in the flash at address %p = %#x, want %#x\n",
(char *) (dst - bios), *dst, *src);
dst++; dst++;
src++; src++;
} }

View File

@ -40,8 +40,7 @@ static void doc_write_cdsncontrol(volatile char *bios, unsigned char data);
int int probe_md2802(struct flashchip *flash)
probe_md2802(struct flashchip * flash)
{ {
volatile char *bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
unsigned char chipid; unsigned char chipid;
@ -66,14 +65,15 @@ probe_md2802(struct flashchip * flash)
doc_write(0x85, bios, DOCControl); doc_write(0x85, bios, DOCControl);
doc_write(0x85, bios, DOCControl); doc_write(0x85, bios, DOCControl);
doc_read_4nop(bios); doc_read_4nop(bios);
if(doc_wait(bios, 5000)) if (doc_wait(bios, 5000))
return(-1); return (-1);
printf("%s: switching off reset mode ... done\n", __FUNCTION__); printf("%s: switching off reset mode ... done\n", __FUNCTION__);
printf("%s:\n", __FUNCTION__); printf("%s:\n", __FUNCTION__);
printf("%s: switching off write protection ...\n", __FUNCTION__); printf("%s: switching off write protection ...\n", __FUNCTION__);
doc_write_cdsncontrol(bios, doc_read_cdsncontrol(bios)&(~0x08)); doc_write_cdsncontrol(bios, doc_read_cdsncontrol(bios) & (~0x08));
printf("%s: switching off write protection ... done\n", __FUNCTION__); printf("%s: switching off write protection ... done\n",
__FUNCTION__);
printf("%s:\n", __FUNCTION__); printf("%s:\n", __FUNCTION__);
@ -127,78 +127,77 @@ probe_md2802(struct flashchip * flash)
printf("%s: checking ECCConfiguration toggle bit\n", __FUNCTION__); printf("%s: checking ECCConfiguration toggle bit\n", __FUNCTION__);
printf("%s:", __FUNCTION__); printf("%s:", __FUNCTION__);
toggle_a = toggle_b = 0; toggle_a = toggle_b = 0;
for(i=0; i<10; i++) for (i = 0; i < 10; i++) {
{
unsigned char toggle = doc_toggle(bios); unsigned char toggle = doc_toggle(bios);
printf(" 0x%02x", toggle); printf(" 0x%02x", toggle);
if(i%2) if (i % 2)
toggle_a += toggle; toggle_a += toggle;
else else
toggle_b += toggle; toggle_b += toggle;
} /* for(i=0; i<10; i++) */ } /* for(i=0; i<10; i++) */
printf("\n%s: toggle result: %d/%d\n", __FUNCTION__, toggle_a, toggle_b); printf("\n%s: toggle result: %d/%d\n", __FUNCTION__, toggle_a,
toggle_b);
if(chipid == flash->model_id if (chipid == flash->model_id
&& ((toggle_a==5 && toggle_b==0)||(toggle_a==0 && toggle_b==5)) && ((toggle_a == 5 && toggle_b == 0)
|| (toggle_a == 0 && toggle_b == 5))
#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING #ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
&& id_0x55 == 0x55 && id_0xAA == 0xaa && id_0x55 == 0x55 && id_0xAA == 0xaa
#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */ #endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
) ) {
{ return (1);
return(1);
} }
return(0); return (0);
} /* int probe_md2802(struct flashchip *flash) */ } /* int probe_md2802(struct flashchip *flash) */
int int read_md2802(struct flashchip *flash, unsigned char *buf)
read_md2802(struct flashchip *flash, unsigned char *buf)
{ {
return(0); return (0);
} /* int read_md2802(struct flashchip *flash, unsigned char *buf) */ } /* int read_md2802(struct flashchip *flash, unsigned char *buf) */
int int erase_md2802(struct flashchip *flash)
erase_md2802(struct flashchip *flash)
{ {
volatile char *bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
return(1); return (1);
*(volatile char *)(bios + 0x5555) = 0xAA; *(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *)(bios + 0x2AAA) = 0x55; *(volatile char *) (bios + 0x2AAA) = 0x55;
*(volatile char *)(bios + 0x5555) = 0x80; *(volatile char *) (bios + 0x5555) = 0x80;
*(volatile char *)(bios + 0x5555) = 0xAA; *(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *)(bios + 0x2AAA) = 0x55; *(volatile char *) (bios + 0x2AAA) = 0x55;
*(volatile char *)(bios + 0x5555) = 0x10; *(volatile char *) (bios + 0x5555) = 0x10;
} /* int erase_md2802(struct flashchip *flash) */ } /* int erase_md2802(struct flashchip *flash) */
int int write_md2802(struct flashchip *flash, unsigned char *buf)
write_md2802(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size *1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size =
volatile unsigned char * bios = flash->virt_addr; flash->page_size;
volatile unsigned char *bios = flash->virt_addr;
return(1); return (1);
erase_md2802 (flash); erase_md2802(flash);
if (*bios != (unsigned char ) 0xff) { if (*bios != (unsigned char) 0xff) {
printf("ERASE FAILED\n"); printf("ERASE FAILED\n");
return -1; return -1;
} }
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
printf ("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
//write_page_md2802(bios, buf + i * page_size, bios + i * page_size, page_size); //write_page_md2802(bios, buf + i * page_size, bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
} }
printf("\n"); printf("\n");
//protect_md2802(bios); //protect_md2802(bios);
@ -216,56 +215,50 @@ write_md2802(struct flashchip *flash, unsigned char *buf)
0: ready 0: ready
-1: timeout expired -1: timeout expired
*/ */
static int static int doc_wait(volatile char *bios, int timeout)
doc_wait(volatile char *bios, int timeout)
{ {
int i = 20; int i = 20;
doc_read_4nop(bios); doc_read_4nop(bios);
while(_doc_busy(bios) && (i != 0)) while (_doc_busy(bios) && (i != 0)) {
{ usleep(timeout * 1000 / 20);
usleep(timeout*1000/20);
i--; i--;
} }
doc_read_2nop(bios); doc_read_2nop(bios);
if(_doc_busy(bios)) if (_doc_busy(bios)) {
{
doc_read_2nop(bios); doc_read_2nop(bios);
return(-1); return (-1);
} }
return(0); return (0);
} /* static int doc_wait(volatile char *bios, int timeout) */ } /* static int doc_wait(volatile char *bios, int timeout) */
static unsigned char static unsigned char doc_read_docstatus(volatile char *bios)
doc_read_docstatus(volatile char *bios)
{ {
doc_read(bios, CDSNSlowIO); doc_read(bios, CDSNSlowIO);
doc_read_2nop(bios); doc_read_2nop(bios);
return(doc_read(bios, _DOCStatus)); return (doc_read(bios, _DOCStatus));
} /* static unsigned char doc_read_docstatus(volatile char *bios) */ } /* static unsigned char doc_read_docstatus(volatile char *bios) */
static unsigned char static unsigned char doc_read_chipid(volatile char *bios)
doc_read_chipid(volatile char *bios)
{ {
doc_read(bios, CDSNSlowIO); doc_read(bios, CDSNSlowIO);
doc_read_2nop(bios); doc_read_2nop(bios);
return(doc_read(bios, _ChipID)); return (doc_read(bios, _ChipID));
} /* static unsigned char doc_read_chipid(volatile char *bios) */ } /* static unsigned char doc_read_chipid(volatile char *bios) */
static unsigned char static unsigned char doc_read_cdsncontrol(volatile char *bios)
doc_read_cdsncontrol(volatile char *bios)
{ {
unsigned char value; unsigned char value;
@ -276,13 +269,12 @@ doc_read_cdsncontrol(volatile char *bios)
value = doc_read(bios, _CDSNControl); value = doc_read(bios, _CDSNControl);
doc_read_2nop(bios); doc_read_2nop(bios);
return(value); return (value);
} /* static unsigned char doc_read_chipid(volatile char *bios) */ } /* static unsigned char doc_read_chipid(volatile char *bios) */
static void static void doc_write_cdsncontrol(volatile char *bios, unsigned char data)
doc_write_cdsncontrol(volatile char *bios, unsigned char data)
{ {
doc_write(data, bios, _CDSNControl); doc_write(data, bios, _CDSNControl);
doc_read_4nop(bios); doc_read_4nop(bios);

View File

@ -30,9 +30,9 @@
#include "jedec.h" #include "jedec.h"
#include "mx29f002.h" #include "mx29f002.h"
int probe_29f002 (struct flashchip * flash) int probe_29f002(struct flashchip *flash)
{ {
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
unsigned char id1, id2; unsigned char id1, id2;
*(bios + 0x5555) = 0xAA; *(bios + 0x5555) = 0xAA;
@ -53,9 +53,9 @@ int probe_29f002 (struct flashchip * flash)
return 0; return 0;
} }
int erase_29f002 (struct flashchip * flash) int erase_29f002(struct flashchip *flash)
{ {
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
*(bios + 0x555) = 0xF0; *(bios + 0x555) = 0xF0;
*(bios + 0x555) = 0xAA; *(bios + 0x555) = 0xAA;
@ -81,26 +81,26 @@ int erase_29f002 (struct flashchip * flash)
*(bios + 0x3bfff) = 0x30; *(bios + 0x3bfff) = 0x30;
#endif #endif
return(0); return (0);
} }
int write_29f002 (struct flashchip * flash, unsigned char * buf) int write_29f002(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size * 1024; int total_size = flash->total_size * 1024;
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
volatile char * dst = bios; volatile char *dst = bios;
*bios = 0xF0; *bios = 0xF0;
myusec_delay(10); myusec_delay(10);
erase_29f002(flash); erase_29f002(flash);
//*bios = 0xF0; //*bios = 0xF0;
#if 1 #if 1
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size; i++) { for (i = 0; i < total_size; i++) {
/* write to the sector */ /* write to the sector */
if ((i & 0xfff) == 0) if ((i & 0xfff) == 0)
printf ("address: 0x%08lx", (unsigned long)i); printf("address: 0x%08lx", (unsigned long) i);
*(bios + 0x5555) = 0xAA; *(bios + 0x5555) = 0xAA;
*(bios + 0x2AAA) = 0x55; *(bios + 0x2AAA) = 0x55;
*(bios + 0x5555) = 0xA0; *(bios + 0x5555) = 0xA0;
@ -110,10 +110,10 @@ int write_29f002 (struct flashchip * flash, unsigned char * buf)
toggle_ready_jedec(dst); toggle_ready_jedec(dst);
if ((i & 0xfff) == 0) if ((i & 0xfff) == 0)
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
} }
#endif #endif
printf("\n"); printf("\n");
return(0); return (0);
} }

View File

@ -1,8 +1,8 @@
#ifndef __MX29F002_H__ #ifndef __MX29F002_H__
#define __MX29F002_H__ 1 #define __MX29F002_H__ 1
extern int probe_29f002 (struct flashchip * flash); extern int probe_29f002(struct flashchip *flash);
extern int erase_29f002 (struct flashchip * flash); extern int erase_29f002(struct flashchip *flash);
extern int write_29f002 (struct flashchip * flash, unsigned char * buf); extern int write_29f002(struct flashchip *flash, unsigned char *buf);
#endif /* !__MX29F002_H__ */ #endif /* !__MX29F002_H__ */

View File

@ -31,7 +31,8 @@
#define RESET 0xFF #define RESET 0xFF
#define READ_ID 0x90 #define READ_ID 0x90
static __inline__ int erase_block_49fl004 ( volatile unsigned char * bios ,unsigned long address) static __inline__ int erase_block_49fl004(volatile unsigned char *bios,
unsigned long address)
{ {
volatile unsigned char *Temp; volatile unsigned char *Temp;
@ -56,12 +57,12 @@ static __inline__ int erase_block_49fl004 ( volatile unsigned char * bios ,unsig
/* wait for Toggle bit ready */ /* wait for Toggle bit ready */
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
return(0); return (0);
} }
static __inline__ int write_block_49fl004(volatile char * bios, static __inline__ int write_block_49fl004(volatile char *bios,
unsigned char * src, unsigned char *src,
volatile unsigned char * dst, volatile unsigned char *dst,
unsigned int page_size) unsigned int page_size)
{ {
int i; int i;
@ -69,8 +70,9 @@ static __inline__ int write_block_49fl004(volatile char * bios,
for (i = 0; i < page_size; i++) { for (i = 0; i < page_size; i++) {
if (*dst != 0xff) { if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x\n", dst, *dst); printf("FATAL: dst %p not erased (val 0x%x\n", dst,
return(-1); *dst);
return (-1);
} }
/* transfer data from source to destination */ /* transfer data from source to destination */
if (*src == 0xFF) { if (*src == 0xFF) {
@ -88,32 +90,34 @@ static __inline__ int write_block_49fl004(volatile char * bios,
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
if (*dst != *src) if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n", printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long)dst, *dst, *src); (unsigned long) dst, *dst, *src);
dst++, src++; dst++, src++;
} }
return(0); return (0);
} }
int write_49fl004 (struct flashchip * flash, unsigned char * buf) int write_49fl004(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size =
volatile char * bios = flash->virt_addr; flash->page_size;
volatile char *bios = flash->virt_addr;
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */ /* erase the page before programming */
erase_block_49fl004(bios, i * page_size); erase_block_49fl004(bios, i * page_size);
/* write to the sector */ /* write to the sector */
printf ("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
write_block_49fl004(bios, buf + i * page_size, bios + i * page_size, write_block_49fl004(bios, buf + i * page_size,
page_size); bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout); fflush(stdout);
} }
printf("\n"); printf("\n");
return(0); return (0);
} }

View File

@ -1,8 +1,8 @@
#ifndef __PM49FL004_H__ #ifndef __PM49FL004_H__
#define __PM49FL004_H__ 1 #define __PM49FL004_H__ 1
extern int probe_49fl004 (struct flashchip * flash); extern int probe_49fl004(struct flashchip *flash);
extern int erase_49fl004 (struct flashchip * flash); extern int erase_49fl004(struct flashchip *flash);
extern int write_49fl004 (struct flashchip * flash, unsigned char * buf); extern int write_49fl004(struct flashchip *flash, unsigned char *buf);
#endif #endif

View File

@ -36,7 +36,7 @@
#define RESET 0xFF #define RESET 0xFF
#define READ_ID 0x90 #define READ_ID 0x90
static __inline__ void protect_28sf040 (volatile char * bios) static __inline__ void protect_28sf040(volatile char *bios)
{ {
/* ask compiler not to optimize this */ /* ask compiler not to optimize this */
volatile unsigned char tmp; volatile unsigned char tmp;
@ -50,7 +50,7 @@ static __inline__ void protect_28sf040 (volatile char * bios)
tmp = *(volatile unsigned char *) (bios + 0x040A); tmp = *(volatile unsigned char *) (bios + 0x040A);
} }
static __inline__ void unprotect_28sf040 (volatile char * bios) static __inline__ void unprotect_28sf040(volatile char *bios)
{ {
/* ask compiler not to optimize this */ /* ask compiler not to optimize this */
volatile unsigned char tmp; volatile unsigned char tmp;
@ -64,7 +64,8 @@ static __inline__ void unprotect_28sf040 (volatile char * bios)
tmp = *(volatile unsigned char *) (bios + 0x041A); tmp = *(volatile unsigned char *) (bios + 0x041A);
} }
static __inline__ int erase_sector_28sf040 (volatile char * bios, unsigned long address) static __inline__ int erase_sector_28sf040(volatile char *bios,
unsigned long address)
{ {
*bios = AUTO_PG_ERASE1; *bios = AUTO_PG_ERASE1;
*(bios + address) = AUTO_PG_ERASE2; *(bios + address) = AUTO_PG_ERASE2;
@ -72,11 +73,13 @@ static __inline__ int erase_sector_28sf040 (volatile char * bios, unsigned long
/* wait for Toggle bit ready */ /* wait for Toggle bit ready */
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
return(0); return (0);
} }
static __inline__ int write_sector_28sf040(volatile char * bios, unsigned char * src, static __inline__ int write_sector_28sf040(volatile char *bios,
volatile unsigned char * dst, unsigned int page_size) unsigned char *src,
volatile unsigned char *dst,
unsigned int page_size)
{ {
int i; int i;
@ -95,12 +98,12 @@ static __inline__ int write_sector_28sf040(volatile char * bios, unsigned char *
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
} }
return(0); return (0);
} }
int probe_28sf040 (struct flashchip * flash) int probe_28sf040(struct flashchip *flash)
{ {
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
unsigned char id1, id2, tmp; unsigned char id1, id2, tmp;
/* save the value at the beginning of the Flash */ /* save the value at the beginning of the Flash */
@ -118,7 +121,7 @@ int probe_28sf040 (struct flashchip * flash)
*bios = RESET; *bios = RESET;
myusec_delay(10); myusec_delay(10);
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__ , id1, id2); printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 == flash->manufacture_id && id2 == flash->model_id) if (id1 == flash->manufacture_id && id2 == flash->model_id)
return 1; return 1;
@ -127,43 +130,45 @@ int probe_28sf040 (struct flashchip * flash)
return 0; return 0;
} }
int erase_28sf040 (struct flashchip * flash) int erase_28sf040(struct flashchip *flash)
{ {
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
unprotect_28sf040 (bios); unprotect_28sf040(bios);
*bios = CHIP_ERASE; *bios = CHIP_ERASE;
*bios = CHIP_ERASE; *bios = CHIP_ERASE;
protect_28sf040 (bios); protect_28sf040(bios);
myusec_delay(10); myusec_delay(10);
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
return(0); return (0);
} }
int write_28sf040 (struct flashchip * flash, unsigned char * buf) int write_28sf040(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size =
volatile char * bios = flash->virt_addr; flash->page_size;
volatile char *bios = flash->virt_addr;
unprotect_28sf040 (bios); unprotect_28sf040(bios);
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */ /* erase the page before programming */
erase_sector_28sf040(bios, i * page_size); erase_sector_28sf040(bios, i * page_size);
/* write to the sector */ /* write to the sector */
printf ("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
write_sector_28sf040(bios, buf + i * page_size, bios + i * page_size, write_sector_28sf040(bios, buf + i * page_size,
page_size); bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
} }
printf("\n"); printf("\n");
protect_28sf040 (bios); protect_28sf040(bios);
return(0); return (0);
} }

View File

@ -1,8 +1,8 @@
#ifndef __SST28SF040_H__ #ifndef __SST28SF040_H__
#define __SST28SF040_H__ #define __SST28SF040_H__
extern int probe_28sf040 (struct flashchip * flash); extern int probe_28sf040(struct flashchip *flash);
extern int erase_28sf040 (struct flashchip * flash); extern int erase_28sf040(struct flashchip *flash);
extern int write_28sf040 (struct flashchip * flash, unsigned char * buf); extern int write_28sf040(struct flashchip *flash, unsigned char *buf);
#endif /* !__SST28SF040_H__ */ #endif /* !__SST28SF040_H__ */

View File

@ -39,7 +39,8 @@
#define RESET 0xFF #define RESET 0xFF
#define READ_ID 0x90 #define READ_ID 0x90
static __inline__ int erase_sector_39sf020 (volatile char * bios, unsigned long address) static __inline__ int erase_sector_39sf020(volatile char *bios,
unsigned long address)
{ {
*bios = AUTO_PG_ERASE1; *bios = AUTO_PG_ERASE1;
*(bios + address) = AUTO_PG_ERASE2; *(bios + address) = AUTO_PG_ERASE2;
@ -47,30 +48,32 @@ static __inline__ int erase_sector_39sf020 (volatile char * bios, unsigned long
/* wait for Toggle bit ready */ /* wait for Toggle bit ready */
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
return(0); return (0);
} }
int write_39sf020 (struct flashchip * flash, unsigned char * buf) int write_39sf020(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size =
volatile char * bios = flash->virt_addr; flash->page_size;
volatile char *bios = flash->virt_addr;
erase_jedec(flash); erase_chip_jedec(flash);
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */ /* erase the page before programming */
//erase_sector_39sf020(bios, i * page_size); //erase_sector_39sf020(bios, i * page_size);
/* write to the sector */ /* write to the sector */
printf ("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
write_sector_jedec(bios, buf + i * page_size, bios + i * page_size, write_sector_jedec(bios, buf + i * page_size,
page_size); bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout); fflush(stdout);
} }
printf("\n"); printf("\n");
return(0); return (0);
} }

View File

@ -1,7 +1,7 @@
#ifndef __SST39SF020_H__ #ifndef __SST39SF020_H__
#define __SST39SF020_H__ 1 #define __SST39SF020_H__ 1
extern int probe_39sf020 (struct flashchip * flash); extern int probe_39sf020(struct flashchip *flash);
extern int write_39sf020 (struct flashchip * flash, unsigned char * buf); extern int write_39sf020(struct flashchip *flash, unsigned char *buf);
#endif /* !__SST39SF020_H__ */ #endif /* !__SST39SF020_H__ */

View File

@ -38,27 +38,29 @@
#define READ_ID 0x90 #define READ_ID 0x90
int write_49lf040 (struct flashchip * flash, unsigned char * buf) int write_49lf040(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size =
volatile char * bios = flash->virt_addr; flash->page_size;
volatile char *bios = flash->virt_addr;
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming /* erase the page before programming
* Chip erase only works in parallel programming mode for the 49lf040. * Chip erase only works in parallel programming mode for the 49lf040.
* Use sector-erase instead */ * Use sector-erase instead */
erase_sector_jedec(bios, i * page_size); erase_sector_jedec(bios, i * page_size);
/* write to the sector */ /* write to the sector */
printf ("%04d at address: 0x%08x ", i, i * page_size); printf("%04d at address: 0x%08x ", i, i * page_size);
write_sector_jedec(bios, buf + i * page_size, bios + i * page_size, write_sector_jedec(bios, buf + i * page_size,
page_size); bios + i * page_size, page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout); fflush(stdout);
} }
printf("\n"); printf("\n");
return(0); return (0);
} }

View File

@ -1,8 +1,8 @@
#ifndef __SST49LF040_H__ #ifndef __SST49LF040_H__
#define __SST49LF040_H__ 1 #define __SST49LF040_H__ 1
extern int probe_49lf040 (struct flashchip * flash); extern int probe_49lf040(struct flashchip *flash);
extern int erase_49lf040 (struct flashchip * flash); extern int erase_49lf040(struct flashchip *flash);
extern int write_49lf040 (struct flashchip * flash, unsigned char * buf); extern int write_49lf040(struct flashchip *flash, unsigned char *buf);
#endif /* !__SST49LF040_H__ */ #endif /* !__SST49LF040_H__ */

View File

@ -7,8 +7,7 @@ unsigned long micro = 1;
void myusec_delay(int time) void myusec_delay(int time)
{ {
volatile unsigned long i; volatile unsigned long i;
for (i = 0; i < time * micro; i++) for (i = 0; i < time * micro; i++);
;
} }
void myusec_calibrate_delay() void myusec_calibrate_delay()
@ -23,10 +22,10 @@ void myusec_calibrate_delay()
gettimeofday(&start, 0); gettimeofday(&start, 0);
myusec_delay(count); myusec_delay(count);
gettimeofday(&end, 0); gettimeofday(&end, 0);
timeusec = 1000000 * (end.tv_sec - start.tv_sec ) + timeusec = 1000000 * (end.tv_sec - start.tv_sec) +
(end.tv_usec - start.tv_usec); (end.tv_usec - start.tv_usec);
count *= 2; count *= 2;
if (timeusec < 1000000/4) if (timeusec < 1000000 / 4)
continue; continue;
ok = 1; ok = 1;
} }
@ -34,5 +33,5 @@ void myusec_calibrate_delay()
// compute one microsecond. That will be count / time // compute one microsecond. That will be count / time
micro = count / timeusec; micro = count / timeusec;
fprintf(stderr, "%ldM loops per second\n", (unsigned long)micro); fprintf(stderr, "%ldM loops per second\n", (unsigned long) micro);
} }

View File

@ -32,20 +32,20 @@
#include "jedec.h" #include "jedec.h"
#include "w49f002u.h" #include "w49f002u.h"
int write_49f002 (struct flashchip * flash, unsigned char * buf) int write_49f002(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size * 1024; int total_size = flash->total_size * 1024;
volatile char * bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
volatile char * dst = bios; volatile char *dst = bios;
erase_jedec(flash); erase_chip_jedec(flash);
printf ("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size; i++) { for (i = 0; i < total_size; i++) {
/* write to the sector */ /* write to the sector */
if ((i & 0xfff) == 0) if ((i & 0xfff) == 0)
printf ("address: 0x%08lx", (unsigned long)i); printf("address: 0x%08lx", (unsigned long) i);
*(bios + 0x5555) = 0xAA; *(bios + 0x5555) = 0xAA;
*(bios + 0x2AAA) = 0x55; *(bios + 0x2AAA) = 0x55;
*(bios + 0x5555) = 0xA0; *(bios + 0x5555) = 0xA0;
@ -55,9 +55,9 @@ int write_49f002 (struct flashchip * flash, unsigned char * buf)
toggle_ready_jedec(dst); toggle_ready_jedec(dst);
if ((i & 0xfff) == 0) if ((i & 0xfff) == 0)
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
} }
printf("\n"); printf("\n");
return(0); return (0);
} }

View File

@ -1,8 +1,8 @@
#ifndef __W49F002U_H__ #ifndef __W49F002U_H__
#define __W49F002U_H__ 1 #define __W49F002U_H__ 1
extern int probe_49f002 (struct flashchip * flash); extern int probe_49f002(struct flashchip *flash);
extern int erase_49f002 (struct flashchip * flash); extern int erase_49f002(struct flashchip *flash);
extern int write_49f002 (struct flashchip * flash, unsigned char * buf); extern int write_49f002(struct flashchip *flash, unsigned char *buf);
#endif /* !__W49F002U_H__ */ #endif /* !__W49F002U_H__ */