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;
- unsigned char id1, id2;
+ volatile unsigned char *bios = flash->virt_addr;
+ unsigned char id1, id2;
#if 0
*(volatile unsigned char *) (bios + 0x5555) = 0xAA;
#endif
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) {
size_t size = flash->total_size * 1024;
// we need to mmap the write-protect space.
- bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- flash->fd_mem, (off_t) (0 - 0x400000 - size));
- if (bios == MAP_FAILED) {
+ bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+ flash->fd_mem, (off_t) (0 - 0x400000 - size));
+ if (bios == MAP_FAILED) {
// it's this part but we can't map it ...
- perror("Error MMAP /dev/mem");
- exit(1);
- }
+ perror("Error MMAP /dev/mem");
+ exit(1);
+ }
flash->virt_addr_2 = bios;
return 1;
return 0;
}
-unsigned char wait_82802ab(volatile unsigned char * bios)
+unsigned char wait_82802ab(volatile unsigned char *bios)
{
unsigned char status;
unsigned char id1, id2;
*bios = 0x70;
- if ((*bios & 0x80) == 0) { // it's busy
- while ((*bios & 0x80) == 0)
- ;
+ if ((*bios & 0x80) == 0) { // it's busy
+ while ((*bios & 0x80) == 0);
}
status = *bios;
// put another command to get out of status register mode
-
+
*bios = 0x90;
myusec_delay(10);
id1 = *(volatile unsigned char *) bios;
id2 = *(volatile unsigned char *) (bios + 0x01);
-
+
// this is needed to jam it out of "read id" mode
*(volatile unsigned char *) (bios + 0x5555) = 0xAA;
*(volatile unsigned char *) (bios + 0x2AAA) = 0x55;
*(volatile unsigned char *) (bios + 0x5555) = 0xF0;
return status;
-
+
}
int erase_82802ab_block(struct flashchip *flash, int offset)
{
- volatile unsigned char * bios = flash->virt_addr + offset;
- volatile unsigned char *wrprotect = flash->virt_addr_2 + offset + 2;
+ volatile unsigned char *bios = flash->virt_addr + offset;
+ volatile unsigned char *wrprotect =
+ flash->virt_addr_2 + offset + 2;
unsigned char status;
// clear status register
status = wait_82802ab(flash->virt_addr);
//print_82802ab_status(status);
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;
unsigned int total_size = flash->total_size * 1024;
- printf("total_size is %d; flash->page_size is %d\n",
- total_size, flash->page_size);
- for(i = 0; i < total_size; i += flash->page_size)
+ printf("total_size is %d; flash->page_size is %d\n",
+ total_size, flash->page_size);
+ for (i = 0; i < total_size; i += flash->page_size)
erase_82802ab_block(flash, i);
printf("DONE ERASE\n");
- return(0);
+ return (0);
}
-void write_page_82802ab (volatile char * bios, char * src, volatile char * dst,
- int page_size)
+void write_page_82802ab(volatile char *bios, char *src, volatile char *dst,
+ int page_size)
{
- int i;
+ int i;
- for (i = 0; i < page_size; i++) {
- /* transfer data from source to destination */
- *dst = 0x40;
- *dst++ = *src++;
+ for (i = 0; i < page_size; i++) {
+ /* transfer data from source to destination */
+ *dst = 0x40;
+ *dst++ = *src++;
wait_82802ab(bios);
- }
+ }
}
-int write_82802ab (struct flashchip * flash, unsigned char * buf)
+int write_82802ab(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;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile unsigned char *bios = flash->virt_addr;
- erase_82802ab (flash);
+ erase_82802ab(flash);
if (*bios != 0xff) {
printf("ERASE FAILED\n");
return -1;
}
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
- printf ("%04d at address: 0x%08x", i, i * page_size);
- write_page_82802ab(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("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
+ printf("%04d at address: 0x%08x", i, i * page_size);
+ write_page_82802ab(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("\n");
- protect_82802ab (bios);
- return(0);
+ protect_82802ab(bios);
+ return (0);
}
#ifndef __82802AB_H__
#define __82802AB_H__ 1
-extern int probe_82802ab (struct flashchip * flash);
-extern int erase_82802ab (struct flashchip * flash);
-extern int write_82802ab (struct flashchip * flash, unsigned char * buf);
+extern int probe_82802ab(struct flashchip *flash);
+extern int erase_82802ab(struct flashchip *flash);
+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;
char tmp1, tmp2;
}
}
-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;
char tmp;
}
}
-extern __inline__ void protect_82802ab (volatile char * bios)
+extern __inline__ void protect_82802ab(volatile char *bios)
{
*(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55;
usleep(200);
}
-#endif /* !__82802AB_H__ */
+#endif /* !__82802AB_H__ */
#include "flash.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 + 0x2AA) = 0x55;
- *(bios + 0x555) = 0x80;
- *(bios + 0x555) = 0xAA;
- *(bios + 0x2AA) = 0x55;
+ *(bios + 0x555) = 0xAA;
+ *(bios + 0x2AA) = 0x55;
+ *(bios + 0x555) = 0x80;
+ *(bios + 0x555) = 0xAA;
+ *(bios + 0x2AA) = 0x55;
*(bios + address) = 0x30;
sleep(2);
/* wait for Toggle bit ready */
toggle_ready_jedec(bios + address);
- return(0);
+ return (0);
}
-static __inline__ int write_sector_29f040b(volatile char * bios, unsigned char * src,
- volatile unsigned char * dst, unsigned int page_size)
+static __inline__ int write_sector_29f040b(volatile char *bios,
+ unsigned char *src,
+ volatile unsigned char *dst,
+ unsigned int page_size)
{
int 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 + 0x2AA) = 0x55;
*(bios + 0x555) = 0xA0;
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;
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0x90;
-
- id1 = * bios;
- id2 = * (bios + 0x01);
+
+ id1 = *bios;
+ id2 = *(bios + 0x01);
*bios = 0xF0;
myusec_delay(10);
-
+
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 == flash->manufacture_id && id2 == flash->model_id)
return 1;
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 + 0x2AA) = 0x55;
myusec_delay(10);
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 total_size = flash->total_size * 1024, page_size = flash->page_size;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile char *bios = flash->virt_addr;
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
+ printf("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */
erase_sector_29f040b(bios, i * page_size);
/* write to the sector */
- printf ("%04d at address: ", i);
- write_sector_29f040b(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");
+ printf("%04d at address: ", i);
+ write_sector_29f040b(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");
}
printf("\n");
- return(0);
+ return (0);
}
#ifndef __AM29F040B_H__
#define __AM29F040B_H__ 1
-extern int probe_29f040b (struct flashchip * flash);
-extern int erase_29f040b (struct flashchip * flash);
-extern int write_29f040b (struct flashchip * flash, unsigned char * buf);
+extern int probe_29f040b(struct flashchip *flash);
+extern int erase_29f040b(struct flashchip *flash);
+extern int write_29f040b(struct flashchip *flash, unsigned char *buf);
-#endif /* !__AM29F040B_H__ */
+#endif /* !__AM29F040B_H__ */
#include <unistd.h>
struct flashchip {
- char * name;
+ char *name;
int manufacture_id;
int model_id;
- volatile char * virt_addr;
+ volatile char *virt_addr;
int total_size;
int page_size;
int (*probe) (struct flashchip * flash);
int (*erase) (struct flashchip * flash);
- int (*write) (struct flashchip * flash, unsigned char * buf);
- int (*read) (struct flashchip * flash, unsigned char * buf);
+ int (*write) (struct flashchip * flash, unsigned char *buf);
+ int (*read) (struct flashchip * flash, unsigned char *buf);
int fd_mem;
volatile char *virt_addr_2;
#define AMD_ID 0x01
#define AM_29F040B 0xA4
-#define ATMEL_ID 0x1F /* Winbond Manufacture ID code */
-#define AT_29C040A 0xA4 /* Winbond w29c020c device code*/
+#define ATMEL_ID 0x1F /* Winbond Manufacture ID code */
+#define AT_29C040A 0xA4 /* Winbond w29c020c device code */
#define MX_ID 0xC2
#define MX_29F002 0xB0
-#define SST_ID 0xBF /* SST Manufacturer ID[B code */
-#define SST_29EE020A 0x10 /* SST 29EE020 device code */
-#define SST_28SF040 0x04 /* SST 29EE040 device code */
-#define SST_39SF020 0xB6 /* SST 39SF020 device */
-#define SST_39VF020 0xD6 /* SST 39VF020 device */
+#define SST_ID 0xBF /* SST Manufacturer ID[B code */
+#define SST_29EE020A 0x10 /* SST 29EE020 device code */
+#define SST_28SF040 0x04 /* SST 29EE040 device code */
+#define SST_39SF020 0xB6 /* SST 39SF020 device */
+#define SST_39VF020 0xD6 /* SST 39VF020 device */
#define SST_49LF040 0x51 /* SST 49LF040 device */
#define SST_49LF080A 0x5B /* SST 48LF080A device */
-#define SST_49LF002A 0x57 /* SST 49LF002A device*/
-#define SST_49LF003A 0x1B /* SST 49LF003A device*/
-#define SST_49LF004A 0x60 /* SST 49LF004A device*/
-#define SST_49LF008A 0x5A /* SST 49LF008A device*/
+#define SST_49LF002A 0x57 /* SST 49LF002A device */
+#define SST_49LF003A 0x1B /* SST 49LF003A device */
+#define SST_49LF004A 0x60 /* SST 49LF004A device */
+#define SST_49LF008A 0x5A /* SST 49LF008A device */
-#define PMC_ID 0x9D /* PMC Manufacturer ID[B code */
-#define PMC_49FL004 0x6E /* PMC 49FL004 device code */
+#define PMC_ID 0x9D /* PMC Manufacturer ID[B code */
+#define PMC_49FL004 0x6E /* PMC 49FL004 device code */
-#define WINBOND_ID 0xDA /* Winbond Manufacture ID code */
-#define W_29C011 0xC1 /* Winbond w29c011 device code*/
-#define W_29C020C 0x45 /* Winbond w29c020c device code*/
-#define W_49F002U 0x0B /* Winbond w29c020c device code*/
+#define WINBOND_ID 0xDA /* Winbond Manufacture ID code */
+#define W_29C011 0xC1 /* Winbond w29c011 device code */
+#define W_29C020C 0x45 /* 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 MSYSTEMS_ID 0x156f
-#define MSYSTEMS_MD2200 0xdb /* ? */
-#define MSYSTEMS_MD2800 0x30 /* hmm -- both 0x30 */
-#define MSYSTEMS_MD2802 0x30 /* hmm -- both 0x30 */
+#define MSYSTEMS_MD2200 0xdb /* ? */
+#define MSYSTEMS_MD2800 0x30 /* hmm -- both 0x30 */
+#define MSYSTEMS_MD2802 0x30 /* hmm -- both 0x30 */
extern void myusec_delay(int time);
extern void myusec_calibrate_delay();
extern int enable_flash_write(void);
-#endif /* !__FLASH_H__ */
+#endif /* !__FLASH_H__ */
#include <pci/pci.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;
outb(0x24, 0x4e);
outb(b, 0x4f);
outb(0x02, 0x4e);
- outb(0x02, 0x4f);
+ outb(0x02, 0x4f);
}
outb(0x24, 0x2e);
/* if it fails, it fails. There are so many variations of broken mobos
* that it is hard to argue that we should quit at this point.
*/
-
+
old = pci_read_byte(dev, 0x4e);
new = old | 1;
pci_write_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",
- 0x4e, new, name);
+ printf
+ ("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x4e, new, name);
return -1;
}
return 0;
unsigned char old, new, val;
unsigned int base;
int ok;
-
+
/* get io privilege access PCI configuration space */
if (iopl(3) != 0) {
perror("Can not set io priviliage");
ok = pci_write_byte(dev, 0x40, new);
if (ok != 0) {
- printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
- old, new, name);
+ printf
+ ("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ old, new, name);
}
/* 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 |= 0x80;
outb(val, base + 0x4d);
static int enable_flash_vt8231(struct pci_dev *dev, char *name)
{
unsigned char val;
-
+
val = pci_read_byte(dev, 0x40);
val |= 0x10;
pci_write_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",
- 0x40, val, name);
+ printf
+ ("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x40, val, name);
return -1;
}
return 0;
static int enable_flash_cs5530(struct pci_dev *dev, char *name)
{
unsigned char new;
-
+
pci_write_byte(dev, 0x52, 0xee);
new = pci_read_byte(dev, 0x52);
if (new != 0xee) {
- printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
- 0x52, new, name);
+ printf
+ ("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x52, new, name);
return -1;
}
return 0;
static int enable_flash_sc1100(struct pci_dev *dev, char *name)
{
unsigned char new;
-
+
pci_write_byte(dev, 0x52, 0xee);
new = pci_read_byte(dev, 0x52);
if (new != 0xee) {
- printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
- 0x52, new, name);
+ printf
+ ("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x52, new, name);
return -1;
}
return 0;
static int enable_flash_sis5595(struct pci_dev *dev, char *name)
{
unsigned char new, newer;
-
+
new = pci_read_byte(dev, 0x45);
/* clear bit 5 */
- new &= (~ 0x20);
+ new &= (~0x20);
/* set bit 2 */
new |= 0x4;
newer = pci_read_byte(dev, 0x45);
if (newer != new) {
- printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
- 0x45, new, name);
+ printf
+ ("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x45, new, name);
printf("Stuck at 0x%x\n", newer);
return -1;
}
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 */
unsigned char old, new;
/* if it fails, it fails. There are so many variations of broken mobos
if (new != old) {
pci_write_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",
- 0x43, new, name);
+ printf
+ ("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x43, new, name);
}
}
- old = pci_read_byte(dev, 0x40);
+ old = pci_read_byte(dev, 0x40);
new = old | 0x01;
if (new == old)
return 0;
pci_write_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",
- 0x40, new, name);
+ printf
+ ("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x40, new, name);
return -1;
}
return 0;
}
typedef struct penable {
- unsigned short vendor, device;
+ unsigned short vendor, device;
char *name;
- int (*doit)(struct pci_dev *dev, char *name);
+ int (*doit) (struct pci_dev * dev, char *name);
} FLASH_ENABLE;
static FLASH_ENABLE enables[] = {
- {0x1039, 0x0630, "sis630", enable_flash_sis630},
- {0x8086, 0x2480, "E7500", enable_flash_e7500},
- {0x1106, 0x8231, "VT8231", enable_flash_vt8231},
- {0x1106, 0x3177, "VT8235", enable_flash_vt8235},
- {0x1078, 0x0100, "CS5530", enable_flash_cs5530},
- {0x100b, 0x0510, "SC1100", enable_flash_sc1100},
+ {0x1039, 0x0630, "sis630", enable_flash_sis630},
+ {0x8086, 0x2480, "E7500", enable_flash_e7500},
+ {0x1106, 0x8231, "VT8231", enable_flash_vt8231},
+ {0x1106, 0x3177, "VT8235", enable_flash_vt8235},
+ {0x1078, 0x0100, "CS5530", enable_flash_cs5530},
+ {0x100b, 0x0510, "SC1100", enable_flash_sc1100},
{0x1039, 0x0008, "SIS5595", enable_flash_sis5595},
{0x1022, 0x7468, "AMD8111", enable_flash_amd8111},
};
-
+
int enable_flash_write()
{
int i;
struct pci_dev *dev = 0;
FLASH_ENABLE *enable = 0;
- pacc = pci_alloc(); /* Get the pci_access structure */
+ pacc = pci_alloc(); /* Get the pci_access structure */
/* Set all options you want -- here we stick with the defaults */
- pci_init(pacc); /* Initialize the PCI library */
- pci_scan_bus(pacc); /* We want to get the list of devices */
+ pci_init(pacc); /* Initialize the PCI library */
+ pci_scan_bus(pacc); /* We want to get the list of devices */
/* 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_dev *z;
/* the first param is unused. */
pci_filter_init((struct pci_access *) 0, &f);
f.vendor = enables[i].vendor;
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)) {
enable = &enables[i];
dev = z;
outb(0x02, 0x2e);
outb(0x02, 0x2f);
- return(0);
+ return (0);
}
#include "mx29f002.h"
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},
- {"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
- probe_jedec, erase_jedec, write_jedec, NULL},
- {"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64*1024,
- probe_29f002, erase_29f002, write_29f002, NULL},
- {"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128,
- probe_jedec, erase_jedec, write_jedec, NULL},
- {"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
+ {"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
+ probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64 * 1024,
+ probe_29f002, erase_29f002, write_29f002, NULL},
+ {"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128,
+ probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
probe_28sf040, erase_28sf040, write_28sf040, NULL},
- {"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
- probe_jedec, erase_jedec, write_39sf020, NULL},
- {"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
- probe_jedec, erase_jedec, write_39sf020, NULL},
- {"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096,
- probe_jedec, erase_jedec, write_49lf040, NULL},
- {"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096,
- probe_jedec, erase_jedec, write_49lf040, NULL},
- {"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096,
- probe_jedec, erase_jedec, write_49lf040, NULL},
- {"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096,
- probe_jedec, erase_jedec, write_49lf040, NULL},
- {"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096,
- probe_jedec, erase_jedec, write_49lf040, NULL},
- {"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096,
- probe_jedec, erase_jedec, write_49lf040, NULL},
- {"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024,
- probe_jedec, erase_jedec, write_49fl004, NULL},
- {"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
- probe_jedec, erase_jedec, write_jedec, NULL},
- {"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
- probe_jedec, erase_jedec, write_jedec, NULL},
- {"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
- probe_jedec, erase_jedec, write_49f002, NULL},
- {"M29F400BT", ST_ID, ST_M29F400BT ,NULL, 512, 64*1024,
- probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL},
- {"82802ab", 137, 173 , NULL, 512, 64*1024,
- probe_82802ab, erase_82802ab, write_82802ab, NULL},
- {"82802ac", 137, 172 , NULL, 1024, 64*1024,
- probe_82802ab, erase_82802ab, write_82802ab, NULL},
+ {"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
+ probe_jedec, erase_chip_jedec, write_39sf020, NULL},
+ {"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
+ probe_jedec, erase_chip_jedec, write_39sf020, NULL},
+ {"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096,
+ probe_jedec, erase_chip_jedec, write_49lf040, NULL},
+ {"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096,
+ probe_jedec, erase_chip_jedec, write_49lf040, NULL},
+ {"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096,
+ probe_jedec, erase_chip_jedec, write_49lf040, NULL},
+ {"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096,
+ probe_jedec, erase_chip_jedec, write_49lf040, NULL},
+ {"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096,
+ probe_jedec, erase_chip_jedec, write_49lf040, NULL},
+ {"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096,
+ probe_jedec, erase_chip_jedec, write_49lf040, NULL},
+ {"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64 * 1024,
+ probe_jedec, erase_chip_jedec, write_49fl004, NULL},
+ {"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
+ probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
+ probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
+ probe_jedec, erase_chip_jedec, write_49f002, NULL},
+ {"M29F400BT", ST_ID, ST_M29F400BT, NULL, 512, 64 * 1024,
+ probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt,
+ NULL},
+ {"82802ab", 137, 173, NULL, 512, 64 * 1024,
+ probe_82802ab, erase_82802ab, write_82802ab, NULL},
+ {"82802ac", 137, 172, NULL, 1024, 64 * 1024,
+ probe_82802ab, erase_82802ab, write_82802ab, NULL},
{"MD-2802 (M-Systems DiskOnChip Millennium Module)",
MSYSTEMS_ID, MSYSTEMS_MD2802,
- NULL, 8, 8*1024,
+ NULL, 8, 8 * 1024,
probe_md2802, erase_md2802, write_md2802, read_md2802},
{NULL,}
};
char *chip_to_probe = NULL;
-struct flashchip * probe_flash(struct flashchip * flash)
+struct flashchip *probe_flash(struct flashchip *flash)
{
int fd_mem;
- volatile char * bios;
+ volatile char *bios;
unsigned long size;
if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
}
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++;
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;
/* BUG? what happens if getpagesize() > size!?
-> ``Error MMAP /dev/mem: Invalid argument'' NIKI */
if (getpagesize() > size) {
size = getpagesize();
- printf("%s: warning: size: %d -> %ld\n", __FUNCTION__,
- flash->total_size * 1024, (unsigned long)size);
+ printf("%s: warning: size: %d -> %ld\n",
+ __FUNCTION__, flash->total_size * 1024,
+ (unsigned long) size);
}
- bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) (0xffffffff - size + 1));
+ bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+ fd_mem, (off_t) (0xffffffff - size + 1));
if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem");
exit(1);
flash->fd_mem = fd_mem;
if (flash->probe(flash) == 1) {
- printf ("%s found at physical address: 0x%lx\n",
- flash->name, (0xffffffff - size + 1));
+ printf("%s found at physical address: 0x%lx\n",
+ flash->name, (0xffffffff - size + 1));
return flash;
}
- munmap ((void *) bios, size);
+ munmap((void *) bios, size);
flash++;
}
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 total_size = flash->total_size *1024;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024;
+ volatile char *bios = flash->virt_addr;
printf("Verifying address: ");
while (i < total_size) {
- if (verbose)
+ if (verbose)
printf("0x%08x", i);
- if (*(bios+i) != *(buf+i)) {
+ if (*(bios + i) != *(buf + i)) {
printf("FAILED\n");
return 0;
}
- if (verbose)
+ if (verbose)
printf("\b\b\b\b\b\b\b\b\b\b");
i++;
}
exit(1);
}
-int main (int argc, char * argv[])
+int main(int argc, char *argv[])
{
- char * buf;
+ char *buf;
unsigned long size;
- FILE * image;
- struct flashchip * flash;
+ FILE *image;
+ struct flashchip *flash;
int opt;
int read_it = 0, write_it = 0, verify_it = 0, verbose = 0;
char *filename = NULL;
if (optind < argc)
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();
printf("OK, calibrated, now do the deed\n");
* really need this to be done, etc., etc. It sucks.
*/
(void) enable_flash_write();
-
- if ((flash = probe_flash (flashchips)) == NULL) {
+
+ if ((flash = probe_flash(flashchips)) == NULL) {
printf("EEPROM not found\n");
exit(1);
}
printf("Part is %s\n", flash->name);
- if (!filename){
- printf("OK, only ENABLING flash write, but NOT FLASHING\n");
+ if (!filename) {
+ printf
+ ("OK, only ENABLING flash write, but NOT FLASHING\n");
return 0;
}
size = flash->total_size * 1024;
- buf = (char *) calloc (size, sizeof(char));
+ buf = (char *) calloc(size, sizeof(char));
if (read_it) {
- if ((image = fopen (filename, "w")) == NULL) {
+ if ((image = fopen(filename, "w")) == NULL) {
perror(filename);
exit(1);
}
if (flash->read == NULL)
memcpy(buf, (const char *) flash->virt_addr, size);
else
- flash->read (flash, buf);
+ flash->read(flash, buf);
fwrite(buf, sizeof(char), size, image);
fclose(image);
printf("done\n");
} else {
- if ((image = fopen (filename, "r")) == NULL) {
+ if ((image = fopen(filename, "r")) == NULL) {
perror(filename);
exit(1);
}
- fread (buf, sizeof(char), size, image);
+ fread(buf, sizeof(char), size, image);
fclose(image);
}
if (write_it || (!read_it && !verify_it))
- flash->write (flash, buf);
+ flash->write(flash, buf);
if (verify_it)
- verify_flash (flash, buf, verbose);
+ verify_flash(flash, buf, verbose);
return 0;
}
#include "flash.h"
#include "jedec.h"
-int probe_jedec (struct flashchip * flash)
+int probe_jedec(struct flashchip *flash)
{
- volatile char * bios = flash->virt_addr;
- unsigned char id1, id2;
-
- *(volatile char *) (bios + 0x5555) = 0xAA;
- myusec_delay(10);
- *(volatile char *) (bios + 0x2AAA) = 0x55;
- myusec_delay(10);
- *(volatile char *) (bios + 0x5555) = 0x90;
- myusec_delay(10);
-
- id1 = *(volatile unsigned char *) bios;
- id2 = *(volatile unsigned char *) (bios + 0x01);
-
- *(volatile char *) (bios + 0x5555) = 0xAA;
- myusec_delay(10);
- *(volatile char *) (bios + 0x2AAA) = 0x55;
- myusec_delay(10);
- *(volatile char *) (bios + 0x5555) = 0xF0;
- myusec_delay(10);
+ volatile char *bios = flash->virt_addr;
+ unsigned char id1, id2;
+
+ /* Issue JEDEC Product ID Entry command */
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ myusec_delay(10);
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ myusec_delay(10);
+ *(volatile char *) (bios + 0x5555) = 0x90;
+ myusec_delay(10);
+
+ /* Read product ID */
+ id1 = *(volatile unsigned char *) bios;
+ id2 = *(volatile unsigned char *) (bios + 0x01);
+
+ /* Issue JEDEC Product ID Exit command */
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ myusec_delay(10);
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ myusec_delay(10);
+ *(volatile char *) (bios + 0x5555) = 0xF0;
+ myusec_delay(10);
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
- if (id1 == flash->manufacture_id && id2 == flash->model_id)
- return 1;
+ if (id1 == flash->manufacture_id && id2 == flash->model_id)
+ return 1;
- 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;
- /* Issue the Sector Erase command to 40LF040 */
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
+ /* Issue the Sector Erase command */
+ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
+ *Temp = 0xAA; /* write data 0xAA to the address */
+ myusec_delay(10);
+ Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */
+ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
+ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
+ *Temp = 0x80; /* write data 0x80 to the address */
myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0x80; /* write data 0x80 to the address */
+ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
+ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
+ Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */
+ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
+ Temp = bios + page; /* set up address to be the current sector */
+ *Temp = 0x30; /* write data 0x30 to the address */
myusec_delay(10);
- Temp = bios + page; /* set up address to be the current sector */
- *Temp = 0x30; /* write data 0x30 to the address */
-
+
/* wait for Toggle bit ready */
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;
- /* Issue the Sector Erase command to 39SF020 */
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
+ /* Issue the JEDEC Chip Erase command */
+ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
+ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
+ Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */
+ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0x80; /* write data 0x80 to the address */
+ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
+ *Temp = 0x80; /* write data 0x80 to the address */
myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
+ Temp = bios + 0x5555; /* set up address to be BASE:5555h */
+ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
+ Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */
+ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0x10; /* write data 0x55 to the address */
+ Temp = bios + 0x5555; /* set up address to be BASEy:5555h */
+ *Temp = 0x10; /* write data 0x10 to the address */
myusec_delay(10);
toggle_ready_jedec(bios);
- return(0);
+ return (0);
+}
+
+void write_page_jedec(volatile char *bios, char *src, volatile char *dst,
+ int page_size)
+{
+ int i;
+
+ /* Issue JEDEC Data Unprotect comand */
+ *(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 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;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile unsigned char *bios = flash->virt_addr;
- erase_jedec (flash);
- if (*bios != (unsigned char ) 0xff) {
+ erase_chip_jedec(flash);
+ if (*bios != (unsigned char) 0xff) {
printf("ERASE FAILED\n");
return -1;
}
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
- printf ("%04d at address: 0x%08x", i, i * page_size);
- write_page_jedec(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("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
+ printf("%04d at address: 0x%08x", i, i * page_size);
+ write_page_jedec(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("\n");
- protect_jedec (bios);
+ protect_jedec(bios);
- return(0);
+ return (0);
}
#ifndef __JEDEC_H__
#define __JEDEC_H__ 1
-extern int probe_jedec (struct flashchip * flash);
-extern int erase_jedec (struct flashchip * flash);
-extern int write_jedec (struct flashchip * flash, unsigned char * buf);
-
-extern __inline__ void toggle_ready_jedec (volatile char * dst)
+extern int probe_jedec(struct flashchip *flash);
+extern int erase_chip_jedec(struct flashchip *flash);
+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)
{
unsigned int i = 0;
char tmp1, tmp2;
}
}
-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;
char tmp;
}
}
-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) = 0xA0;
+ *(volatile char *) (bios + 0x5555) = 0x80;
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ *(volatile char *) (bios + 0x5555) = 0x20;
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)
+extern __inline__ void protect_jedec(volatile char *bios)
{
- 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);
+ usleep(200);
}
-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__ */
#include "flash.h"
#include "m29f400bt.h"
-int probe_m29f400bt (struct flashchip * flash)
+int probe_m29f400bt(struct flashchip *flash)
{
- volatile char * bios = flash->virt_addr;
- unsigned char id1, id2;
+ volatile char *bios = flash->virt_addr;
+ unsigned char id1, id2;
*(volatile char *) (bios + 0xAAA) = 0xAA;
*(volatile char *) (bios + 0x555) = 0x55;
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)
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 + 0x555) = 0x55;
myusec_delay(10);
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;
*(volatile char *) (bios + 0x555) = 0x55;
//*(volatile char *) (bios + 0xAAA) = 0x10;
- *dst = 0x30;
+ *dst = 0x30;
myusec_delay(10);
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 total_size = flash->total_size *1024, page_size = flash->page_size;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile char *bios = flash->virt_addr;
//erase_m29f400bt (flash);
- printf ("Programming Page:\n ");
+ printf("Programming Page:\n ");
/*********************************
*Pages for M29F400BT:
* 16 0x7c000 0x7ffff TOP
* 64 0x10000 0x1ffff
* 64 0x00000 0x0ffff BOTTOM
*********************************/
- printf("total_size/page_size = %d\n",total_size/page_size);
- for (i = 0; i < (total_size/page_size)-1; i++) {
+ printf("total_size/page_size = %d\n", total_size / page_size);
+ for (i = 0; i < (total_size / page_size) - 1; i++) {
printf("%04d at address: 0x%08x\n", i, i * page_size);
block_erase_m29f400bt(bios, bios + i * page_size);
- write_page_m29f400bt(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");
+ write_page_m29f400bt(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("%04d at address: 0x%08x\n",7,0x70000);
- block_erase_m29f400bt(bios , bios + 0x70000);
- write_page_m29f400bt(bios,buf + 0x70000, bios + 0x70000, 32*1024);
-
- printf("%04d at address: 0x%08x\n",8,0x78000);
- block_erase_m29f400bt(bios , bios + 0x78000);
- write_page_m29f400bt(bios,buf + 0x78000, bios + 0x78000, 8*1024);
-
- printf("%04d at address: 0x%08x\n",9,0x7a000);
- block_erase_m29f400bt(bios , bios + 0x7a000);
- write_page_m29f400bt(bios,buf + 0x7a000, bios + 0x7a000, 8*1024);
-
- printf("%04d at address: 0x%08x\n",10,0x7c000);
- block_erase_m29f400bt(bios , bios + 0x7c000);
- write_page_m29f400bt(bios,buf + 0x7c000, bios + 0x7c000, 16*1024);
-
+ printf("%04d at address: 0x%08x\n", 7, 0x70000);
+ block_erase_m29f400bt(bios, bios + 0x70000);
+ write_page_m29f400bt(bios, buf + 0x70000, bios + 0x70000,
+ 32 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 8, 0x78000);
+ block_erase_m29f400bt(bios, bios + 0x78000);
+ write_page_m29f400bt(bios, buf + 0x78000, bios + 0x78000,
+ 8 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 9, 0x7a000);
+ block_erase_m29f400bt(bios, bios + 0x7a000);
+ write_page_m29f400bt(bios, buf + 0x7a000, bios + 0x7a000,
+ 8 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 10, 0x7c000);
+ block_erase_m29f400bt(bios, bios + 0x7c000);
+ write_page_m29f400bt(bios, buf + 0x7c000, bios + 0x7c000,
+ 16 * 1024);
+
printf("\n");
//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:
* 16 0x7c000 0x7ffff TOP
* 64 0x10000 0x1ffff
* 64 0x00000 0x0ffff BOTTOM
*********************************/
- printf("%04d at address: 0x%08x\n",7,0x00000);
- block_erase_m29f400bt(bios , bios + 0x00000);
- write_page_m29f400bt(bios,buf + 0x00000, bios + 0x00000, 64*1024);
-
- printf("%04d at address: 0x%08x\n",7,0x10000);
- block_erase_m29f400bt(bios , bios + 0x10000);
- write_page_m29f400bt(bios,buf + 0x10000, bios + 0x10000, 64*1024);
-
- printf("%04d at address: 0x%08x\n",7,0x20000);
- block_erase_m29f400bt(bios , bios + 0x20000);
- write_page_m29f400bt(bios,buf + 0x20000, bios + 0x20000, 64*1024);
-
- printf("%04d at address: 0x%08x\n",7,0x30000);
- block_erase_m29f400bt(bios , bios + 0x30000);
- write_page_m29f400bt(bios,buf + 0x30000, bios + 0x30000, 64*1024);
-
+ printf("%04d at address: 0x%08x\n", 7, 0x00000);
+ block_erase_m29f400bt(bios, bios + 0x00000);
+ write_page_m29f400bt(bios, buf + 0x00000, bios + 0x00000,
+ 64 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 7, 0x10000);
+ block_erase_m29f400bt(bios, bios + 0x10000);
+ write_page_m29f400bt(bios, buf + 0x10000, bios + 0x10000,
+ 64 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 7, 0x20000);
+ block_erase_m29f400bt(bios, bios + 0x20000);
+ write_page_m29f400bt(bios, buf + 0x20000, bios + 0x20000,
+ 64 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 7, 0x30000);
+ block_erase_m29f400bt(bios, bios + 0x30000);
+ write_page_m29f400bt(bios, buf + 0x30000, bios + 0x30000,
+ 64 * 1024);
+
printf("\n");
//protect_m29f400bt (bios);
- return(0);
+ return (0);
}
#include <stdio.h>
-extern int probe_m29f400bt (struct flashchip * flash);
-extern int erase_m29f400bt (struct flashchip * flash);
-extern int block_erase_m29f400bt (volatile char * bios, volatile char * dst);
-extern int write_m29f400bt (struct flashchip * flash, unsigned char * buf);
-extern int write_linuxbios_m29f400bt (struct flashchip * flash, unsigned char * buf);
+extern int probe_m29f400bt(struct flashchip *flash);
+extern int erase_m29f400bt(struct flashchip *flash);
+extern int block_erase_m29f400bt(volatile char *bios, volatile char *dst);
+extern int write_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;
char tmp1, tmp2;
}
}
-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;
char tmp;
}
}
-extern __inline__ void protect_m29f400bt (volatile char * bios)
+extern __inline__ void protect_m29f400bt(volatile char *bios)
{
*(volatile char *) (bios + 0xAAA) = 0xAA;
*(volatile char *) (bios + 0x555) = 0x55;
usleep(200);
}
-extern __inline__ void write_page_m29f400bt (volatile char * bios, char * src, volatile char * dst,
- int page_size)
+extern __inline__ void write_page_m29f400bt(volatile char *bios, char *src,
+ volatile char *dst,
+ int page_size)
{
int i;
-
+
for (i = 0; i < page_size; i++) {
*(volatile char *) (bios + 0xAAA) = 0xAA;
*(volatile char *) (bios + 0x555) = 0x55;
//*(volatile char *) (bios) = 0xF0;
//usleep(5);
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++;
src++;
}
}
-#endif /* !__M29F400BT_H__ */
+#endif /* !__M29F400BT_H__ */
-int
-probe_md2802(struct flashchip * flash)
+int probe_md2802(struct flashchip *flash)
{
volatile char *bios = flash->virt_addr;
unsigned char chipid;
#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
unsigned char id_0x55, id_0xAA;
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
int i, toggle_a, toggle_b;
printf("%s:\n", __FUNCTION__);
doc_write(0x85, bios, DOCControl);
doc_write(0x85, bios, DOCControl);
doc_read_4nop(bios);
- if(doc_wait(bios, 5000))
- return(-1);
+ if (doc_wait(bios, 5000))
+ return (-1);
printf("%s: switching off reset mode ... done\n", __FUNCTION__);
printf("%s:\n", __FUNCTION__);
printf("%s: switching off write protection ...\n", __FUNCTION__);
- doc_write_cdsncontrol(bios, doc_read_cdsncontrol(bios)&(~0x08));
- printf("%s: switching off write protection ... done\n", __FUNCTION__);
+ doc_write_cdsncontrol(bios, doc_read_cdsncontrol(bios) & (~0x08));
+ printf("%s: switching off write protection ... done\n",
+ __FUNCTION__);
printf("%s:\n", __FUNCTION__);
#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
id_0x55 = doc_read(bios, IPL_0x0000);
id_0xAA = doc_read(bios, IPL_0x0001);
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
printf("%s: IPL_0x0000: 0x%02x\n", __FUNCTION__, id_0x55);
printf("%s: IPL_0x0001: 0x%02x\n", __FUNCTION__, id_0xAA);
printf("%s: IPL_0x0002: 0x%02x\n", __FUNCTION__,
- doc_read(bios, IPL_0x0002));
+ doc_read(bios, IPL_0x0002));
printf("%s: IPL_0x0003: 0x%02x\n", __FUNCTION__,
- doc_read(bios, IPL_0x0003));
+ doc_read(bios, IPL_0x0003));
printf("%s:\n", __FUNCTION__);
printf("%s: ChipID: 0x%02x\n", __FUNCTION__, chipid);
printf("%s: DOCStatus: 0x%02x\n", __FUNCTION__,
- doc_read_docstatus(bios));
+ doc_read_docstatus(bios));
printf("%s: FloorSelect: 0x%02x\n", __FUNCTION__,
- doc_read(bios, FloorSelect));
+ doc_read(bios, FloorSelect));
printf("%s: CDSNControl: 0x%02x\n", __FUNCTION__,
- doc_read_cdsncontrol(bios));
+ doc_read_cdsncontrol(bios));
printf("%s: CDSNDeviceSelect: 0x%02x\n", __FUNCTION__,
- doc_read(bios, CDSNDeviceSelect));
+ doc_read(bios, CDSNDeviceSelect));
printf("%s: ECCConfiguration: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCConfiguration));
+ doc_read(bios, ECCConfiguration));
printf("%s: CDSNSlowIO: 0x%02x\n", __FUNCTION__,
- doc_read(bios, CDSNSlowIO));
+ doc_read(bios, CDSNSlowIO));
printf("%s: ECCSyndrome0: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome0));
+ doc_read(bios, ECCSyndrome0));
printf("%s: ECCSyndrome1: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome1));
+ doc_read(bios, ECCSyndrome1));
printf("%s: ECCSyndrome2: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome2));
+ doc_read(bios, ECCSyndrome2));
printf("%s: ECCSyndrome3: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome3));
+ doc_read(bios, ECCSyndrome3));
printf("%s: ECCSyndrome4: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome4));
+ doc_read(bios, ECCSyndrome4));
printf("%s: ECCSyndrome5: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome5));
+ doc_read(bios, ECCSyndrome5));
printf("%s: AliasResolution: 0x%02x\n", __FUNCTION__,
- doc_read(bios, AliasResolution));
+ doc_read(bios, AliasResolution));
printf("%s: ConfigurationInput: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ConfigurationInput));
+ doc_read(bios, ConfigurationInput));
printf("%s: ReadPipelineInitialization: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ReadPipelineInitialization));
+ doc_read(bios, ReadPipelineInitialization));
printf("%s: LastDataRead: 0x%02x\n", __FUNCTION__,
- doc_read(bios, LastDataRead));
+ doc_read(bios, LastDataRead));
printf("%s:\n", __FUNCTION__);
printf("%s: checking ECCConfiguration toggle bit\n", __FUNCTION__);
printf("%s:", __FUNCTION__);
toggle_a = toggle_b = 0;
- for(i=0; i<10; i++)
- {
+ for (i = 0; i < 10; i++) {
unsigned char toggle = doc_toggle(bios);
printf(" 0x%02x", toggle);
- if(i%2)
+ if (i % 2)
toggle_a += toggle;
else
toggle_b += toggle;
- } /* for(i=0; i<10; i++) */
- printf("\n%s: toggle result: %d/%d\n", __FUNCTION__, toggle_a, toggle_b);
+ } /* for(i=0; i<10; i++) */
+ printf("\n%s: toggle result: %d/%d\n", __FUNCTION__, toggle_a,
+ toggle_b);
- if(chipid == flash->model_id
- && ((toggle_a==5 && toggle_b==0)||(toggle_a==0 && toggle_b==5))
+ if (chipid == flash->model_id
+ && ((toggle_a == 5 && toggle_b == 0)
+ || (toggle_a == 0 && toggle_b == 5))
#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
- && id_0x55 == 0x55 && id_0xAA == 0xaa
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
- )
- {
- return(1);
+ && id_0x55 == 0x55 && id_0xAA == 0xaa
+#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+ ) {
+ return (1);
}
- return(0);
-} /* int probe_md2802(struct flashchip *flash) */
+ return (0);
+} /* int probe_md2802(struct flashchip *flash) */
-int
-read_md2802(struct flashchip *flash, unsigned char *buf)
+int read_md2802(struct flashchip *flash, unsigned char *buf)
{
-
- return(0);
-} /* int read_md2802(struct flashchip *flash, unsigned char *buf) */
+ return (0);
+} /* int read_md2802(struct flashchip *flash, unsigned char *buf) */
-int
-erase_md2802(struct flashchip *flash)
+
+int erase_md2802(struct flashchip *flash)
{
volatile char *bios = flash->virt_addr;
- return(1);
- *(volatile char *)(bios + 0x5555) = 0xAA;
- *(volatile char *)(bios + 0x2AAA) = 0x55;
- *(volatile char *)(bios + 0x5555) = 0x80;
+ return (1);
+ *(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) = 0x10;
-} /* int erase_md2802(struct flashchip *flash) */
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ *(volatile char *) (bios + 0x5555) = 0x10;
+} /* int erase_md2802(struct flashchip *flash) */
-int
-write_md2802(struct flashchip *flash, unsigned char *buf)
+int write_md2802(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;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile unsigned char *bios = flash->virt_addr;
- return(1);
- erase_md2802 (flash);
- if (*bios != (unsigned char ) 0xff) {
+ return (1);
+ erase_md2802(flash);
+ if (*bios != (unsigned char) 0xff) {
printf("ERASE FAILED\n");
return -1;
}
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
- printf ("%04d at address: 0x%08x", i, i * page_size);
+ printf("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
+ printf("%04d at address: 0x%08x", i, i * 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");
//protect_md2802(bios);
-} /* int write_md2802(struct flashchip *flash, char *buf) */
+} /* int write_md2802(struct flashchip *flash, char *buf) */
0: ready
-1: timeout expired
*/
-static int
-doc_wait(volatile char *bios, int timeout)
+static int doc_wait(volatile char *bios, int timeout)
{
int i = 20;
doc_read_4nop(bios);
- while(_doc_busy(bios) && (i != 0))
- {
- usleep(timeout*1000/20);
+ while (_doc_busy(bios) && (i != 0)) {
+ usleep(timeout * 1000 / 20);
i--;
}
doc_read_2nop(bios);
- if(_doc_busy(bios))
- {
+ if (_doc_busy(bios)) {
doc_read_2nop(bios);
- return(-1);
+ return (-1);
}
- return(0);
-} /* static int doc_wait(volatile char *bios, int timeout) */
+ return (0);
+} /* static int doc_wait(volatile char *bios, int timeout) */
-static unsigned char
-doc_read_docstatus(volatile char *bios)
+static unsigned char doc_read_docstatus(volatile char *bios)
{
doc_read(bios, CDSNSlowIO);
doc_read_2nop(bios);
- return(doc_read(bios, _DOCStatus));
-} /* static unsigned char doc_read_docstatus(volatile char *bios) */
+ return (doc_read(bios, _DOCStatus));
+} /* static unsigned char doc_read_docstatus(volatile char *bios) */
-static unsigned char
-doc_read_chipid(volatile char *bios)
+static unsigned char doc_read_chipid(volatile char *bios)
{
doc_read(bios, CDSNSlowIO);
doc_read_2nop(bios);
- return(doc_read(bios, _ChipID));
-} /* static unsigned char doc_read_chipid(volatile char *bios) */
+ return (doc_read(bios, _ChipID));
+} /* static unsigned char doc_read_chipid(volatile char *bios) */
-static unsigned char
-doc_read_cdsncontrol(volatile char *bios)
+static unsigned char doc_read_cdsncontrol(volatile char *bios)
{
unsigned char value;
/* the delays might be necessary when reading the busy bit,
- but because a read to this reg reads the busy bit
- anyway we better do this delays... */
+ but because a read to this reg reads the busy bit
+ anyway we better do this delays... */
doc_read_4nop(bios);
value = doc_read(bios, _CDSNControl);
doc_read_2nop(bios);
- return(value);
-} /* static unsigned char doc_read_chipid(volatile char *bios) */
+ return (value);
+} /* static unsigned char doc_read_chipid(volatile char *bios) */
-static void
-doc_write_cdsncontrol(volatile char *bios, unsigned char data)
+static void doc_write_cdsncontrol(volatile char *bios, unsigned char data)
{
doc_write(data, bios, _CDSNControl);
doc_read_4nop(bios);
-} /* static void doc_write_chipid(volatile char *bios, unsigned char data) */
+} /* static void doc_write_chipid(volatile char *bios, unsigned char data) */
-#endif /* !__MSYS_DOC_H__ */
+#endif /* !__MSYS_DOC_H__ */
#include "jedec.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;
*(bios + 0x5555) = 0xAA;
*(bios + 0x2AAA) = 0x55;
*(bios + 0x5555) = 0x90;
-
+
id1 = *(volatile unsigned char *) bios;
id2 = *(volatile unsigned char *) (bios + 0x01);
-
+
*bios = 0xF0;
myusec_delay(10);
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) = 0xAA;
*(bios + 0x3bfff) = 0x30;
#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 total_size = flash->total_size * 1024;
- volatile char * bios = flash->virt_addr;
- volatile char * dst = bios;
-
- *bios = 0xF0;
- myusec_delay(10);
- erase_29f002(flash);
- //*bios = 0xF0;
-#if 1
- printf ("Programming Page: ");
- for (i = 0; i < total_size; i++) {
- /* write to the sector */
- if ((i & 0xfff) == 0)
- printf ("address: 0x%08lx", (unsigned long)i);
- *(bios + 0x5555) = 0xAA;
- *(bios + 0x2AAA) = 0x55;
- *(bios + 0x5555) = 0xA0;
- *dst++ = *buf++;
+ int i;
+ int total_size = flash->total_size * 1024;
+ volatile char *bios = flash->virt_addr;
+ volatile char *dst = bios;
- /* wait for Toggle bit ready */
- toggle_ready_jedec(dst);
-
- if ((i & 0xfff) == 0)
- printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
- }
+ *bios = 0xF0;
+ myusec_delay(10);
+ erase_29f002(flash);
+ //*bios = 0xF0;
+#if 1
+ printf("Programming Page: ");
+ for (i = 0; i < total_size; i++) {
+ /* write to the sector */
+ if ((i & 0xfff) == 0)
+ printf("address: 0x%08lx", (unsigned long) i);
+ *(bios + 0x5555) = 0xAA;
+ *(bios + 0x2AAA) = 0x55;
+ *(bios + 0x5555) = 0xA0;
+ *dst++ = *buf++;
+
+ /* wait for Toggle bit ready */
+ toggle_ready_jedec(dst);
+
+ if ((i & 0xfff) == 0)
+ printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
+ }
#endif
- printf("\n");
+ printf("\n");
- return(0);
+ return (0);
}
#ifndef __MX29F002_H__
#define __MX29F002_H__ 1
-extern int probe_29f002 (struct flashchip * flash);
-extern int erase_29f002 (struct flashchip * flash);
-extern int write_29f002 (struct flashchip * flash, unsigned char * buf);
+extern int probe_29f002(struct flashchip *flash);
+extern int erase_29f002(struct flashchip *flash);
+extern int write_29f002(struct flashchip *flash, unsigned char *buf);
-#endif /* !__MX29F002_H__ */
+#endif /* !__MX29F002_H__ */
#define RESET 0xFF
#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;
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
- myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
- myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0x80; /* write data 0x80 to the address */
- myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
- myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
- myusec_delay(10);
- Temp = bios + address; /* set up address to be C000:5555h */
- *Temp = 0x50; /* write data 0x50 to the address */
+ Temp = bios + 0x5555; /* set up address to be C000:5555h */
+ *Temp = 0xAA; /* write data 0xAA to the address */
+ myusec_delay(10);
+ Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
+ *Temp = 0x55; /* write data 0x55 to the address */
+ myusec_delay(10);
+ Temp = bios + 0x5555; /* set up address to be C000:5555h */
+ *Temp = 0x80; /* write data 0x80 to the address */
+ myusec_delay(10);
+ Temp = bios + 0x5555; /* set up address to be C000:5555h */
+ *Temp = 0xAA; /* write data 0xAA to the address */
+ myusec_delay(10);
+ Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
+ *Temp = 0x55; /* write data 0x55 to the address */
+ myusec_delay(10);
+ Temp = bios + address; /* set up address to be C000:5555h */
+ *Temp = 0x50; /* write data 0x50 to the address */
/* 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,
- unsigned char * src,
- volatile unsigned char * dst,
+static __inline__ int write_block_49fl004(volatile char *bios,
+ unsigned char *src,
+ volatile unsigned char *dst,
unsigned int page_size)
{
int i;
for (i = 0; i < page_size; i++) {
if (*dst != 0xff) {
- printf("FATAL: dst %p not erased (val 0x%x\n", dst, *dst);
- return(-1);
+ printf("FATAL: dst %p not erased (val 0x%x\n", dst,
+ *dst);
+ return (-1);
}
/* transfer data from source to destination */
if (*src == 0xFF) {
/* 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;
+ 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);
+ (unsigned long) dst, *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 total_size = flash->total_size * 1024, page_size = flash->page_size;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile char *bios = flash->virt_addr;
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
+ printf("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */
erase_block_49fl004(bios, i * page_size);
/* write to the sector */
- printf ("%04d at address: 0x%08x", i, i * page_size);
- write_block_49fl004(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");
- fflush(stdout);
+ printf("%04d at address: 0x%08x", i, i * page_size);
+ write_block_49fl004(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");
+ fflush(stdout);
}
printf("\n");
- return(0);
+ return (0);
}
#ifndef __PM49FL004_H__
#define __PM49FL004_H__ 1
-extern int probe_49fl004 (struct flashchip * flash);
-extern int erase_49fl004 (struct flashchip * flash);
-extern int write_49fl004 (struct flashchip * flash, unsigned char * buf);
+extern int probe_49fl004(struct flashchip *flash);
+extern int erase_49fl004(struct flashchip *flash);
+extern int write_49fl004(struct flashchip *flash, unsigned char *buf);
-#endif
+#endif
#define RESET 0xFF
#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 */
volatile unsigned char tmp;
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 */
volatile unsigned char tmp;
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 + address) = AUTO_PG_ERASE2;
/* wait for Toggle bit ready */
toggle_ready_jedec(bios);
- return(0);
+ return (0);
}
-static __inline__ int write_sector_28sf040(volatile char * bios, unsigned char * src,
- volatile unsigned char * dst, unsigned int page_size)
+static __inline__ int write_sector_28sf040(volatile char *bios,
+ unsigned char *src,
+ volatile unsigned char *dst,
+ unsigned int page_size)
{
int i;
continue;
}
/*issue AUTO PROGRAM command */
- *dst = AUTO_PGRM;
+ *dst = AUTO_PGRM;
*dst++ = *src++;
/* wait for Toggle bit ready */
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;
- unsigned char id1, id2, tmp;
+ volatile char *bios = flash->virt_addr;
+ unsigned char id1, id2, tmp;
/* save the value at the beginning of the Flash */
tmp = *bios;
*bios = RESET;
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)
return 1;
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;
- protect_28sf040 (bios);
+ protect_28sf040(bios);
myusec_delay(10);
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 total_size = flash->total_size * 1024, page_size = flash->page_size;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile char *bios = flash->virt_addr;
- unprotect_28sf040 (bios);
+ unprotect_28sf040(bios);
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
+ printf("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */
erase_sector_28sf040(bios, i * page_size);
/* write to the sector */
- printf ("%04d at address: 0x%08x", i, i * page_size);
- write_sector_28sf040(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("%04d at address: 0x%08x", i, i * page_size);
+ write_sector_28sf040(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("\n");
- protect_28sf040 (bios);
+ protect_28sf040(bios);
- return(0);
+ return (0);
}
#ifndef __SST28SF040_H__
#define __SST28SF040_H__
-extern int probe_28sf040 (struct flashchip * flash);
-extern int erase_28sf040 (struct flashchip * flash);
-extern int write_28sf040 (struct flashchip * flash, unsigned char * buf);
+extern int probe_28sf040(struct flashchip *flash);
+extern int erase_28sf040(struct flashchip *flash);
+extern int write_28sf040(struct flashchip *flash, unsigned char *buf);
-#endif /* !__SST28SF040_H__ */
+#endif /* !__SST28SF040_H__ */
#define RESET 0xFF
#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 + address) = AUTO_PG_ERASE2;
/* wait for Toggle bit ready */
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 total_size = flash->total_size * 1024, page_size = flash->page_size;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile char *bios = flash->virt_addr;
- erase_jedec(flash);
+ erase_chip_jedec(flash);
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
+ printf("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */
//erase_sector_39sf020(bios, i * page_size);
/* write to the sector */
- printf ("%04d at address: 0x%08x", i, i * page_size);
- write_sector_jedec(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");
- fflush(stdout);
+ printf("%04d at address: 0x%08x", i, i * page_size);
+ write_sector_jedec(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");
+ fflush(stdout);
}
printf("\n");
- return(0);
+ return (0);
}
#ifndef __SST39SF020_H__
#define __SST39SF020_H__ 1
-extern int probe_39sf020 (struct flashchip * flash);
-extern int write_39sf020 (struct flashchip * flash, unsigned char * buf);
+extern int probe_39sf020(struct flashchip *flash);
+extern int write_39sf020(struct flashchip *flash, unsigned char *buf);
-#endif /* !__SST39SF020_H__ */
+#endif /* !__SST39SF020_H__ */
#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 total_size = flash->total_size * 1024, page_size = flash->page_size;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile char *bios = flash->virt_addr;
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
+ printf("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming
* Chip erase only works in parallel programming mode for the 49lf040.
* Use sector-erase instead */
erase_sector_jedec(bios, i * page_size);
/* write to the sector */
- printf ("%04d at address: 0x%08x ", i, i * page_size);
- write_sector_jedec(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\b");
- fflush(stdout);
+ printf("%04d at address: 0x%08x ", i, i * page_size);
+ write_sector_jedec(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\b");
+ fflush(stdout);
}
printf("\n");
- return(0);
+ return (0);
}
#ifndef __SST49LF040_H__
#define __SST49LF040_H__ 1
-extern int probe_49lf040 (struct flashchip * flash);
-extern int erase_49lf040 (struct flashchip * flash);
-extern int write_49lf040 (struct flashchip * flash, unsigned char * buf);
+extern int probe_49lf040(struct flashchip *flash);
+extern int erase_49lf040(struct flashchip *flash);
+extern int write_49lf040(struct flashchip *flash, unsigned char *buf);
-#endif /* !__SST49LF040_H__ */
+#endif /* !__SST49LF040_H__ */
void myusec_delay(int time)
{
volatile unsigned long i;
- for (i = 0; i < time * micro; i++)
- ;
+ for (i = 0; i < time * micro; i++);
}
void myusec_calibrate_delay()
gettimeofday(&start, 0);
myusec_delay(count);
gettimeofday(&end, 0);
- timeusec = 1000000 * (end.tv_sec - start.tv_sec ) +
- (end.tv_usec - start.tv_usec);
+ timeusec = 1000000 * (end.tv_sec - start.tv_sec) +
+ (end.tv_usec - start.tv_usec);
count *= 2;
- if (timeusec < 1000000/4)
+ if (timeusec < 1000000 / 4)
continue;
ok = 1;
}
// compute one microsecond. That will be count / time
micro = count / timeusec;
- fprintf(stderr, "%ldM loops per second\n", (unsigned long)micro);
+ fprintf(stderr, "%ldM loops per second\n", (unsigned long) micro);
}
#include "jedec.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 total_size = flash->total_size * 1024;
- volatile char * bios = flash->virt_addr;
- volatile char * dst = bios;
+ volatile char *bios = flash->virt_addr;
+ volatile char *dst = bios;
- erase_jedec(flash);
+ erase_chip_jedec(flash);
- printf ("Programming Page: ");
+ printf("Programming Page: ");
for (i = 0; i < total_size; i++) {
/* write to the sector */
if ((i & 0xfff) == 0)
- printf ("address: 0x%08lx", (unsigned long)i);
+ printf("address: 0x%08lx", (unsigned long) i);
*(bios + 0x5555) = 0xAA;
*(bios + 0x2AAA) = 0x55;
*(bios + 0x5555) = 0xA0;
toggle_ready_jedec(dst);
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");
- return(0);
+ return (0);
}
#ifndef __W49F002U_H__
#define __W49F002U_H__ 1
-extern int probe_49f002 (struct flashchip * flash);
-extern int erase_49f002 (struct flashchip * flash);
-extern int write_49f002 (struct flashchip * flash, unsigned char * buf);
+extern int probe_49f002(struct flashchip *flash);
+extern int erase_49f002(struct flashchip *flash);
+extern int write_49f002(struct flashchip *flash, unsigned char *buf);
-#endif /* !__W49F002U_H__ */
+#endif /* !__W49F002U_H__ */
projects / coreboot.git / commitdiff