diff options
-rw-r--r-- | flash_rom.c | 16 | ||||
-rw-r--r-- | jedec.c | 62 | ||||
-rw-r--r-- | pm49fl004.c | 34 | ||||
-rw-r--r-- | sst39sf020.c | 8 | ||||
-rw-r--r-- | sst_fwhub.c | 55 | ||||
-rw-r--r-- | w49f002u.c | 21 |
6 files changed, 49 insertions, 147 deletions
diff --git a/flash_rom.c b/flash_rom.c index bf338ccb..35a9f509 100644 --- a/flash_rom.c +++ b/flash_rom.c @@ -194,7 +194,8 @@ int main(int argc, char *argv[]) FILE *image; struct flashchip *flash; int opt; - int read_it = 0, write_it = 0, verify_it = 0, verbose = 0; + int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0, + verbose = 0; char *filename = NULL; @@ -211,7 +212,7 @@ int main(int argc, char *argv[]) setbuf(stdout, NULL); - while ((opt = getopt(argc, argv, "rwvVc:s:e:")) != EOF) { + while ((opt = getopt(argc, argv, "rwvVEc:s:e:")) != EOF) { switch (opt) { case 'r': read_it = 1; @@ -228,6 +229,9 @@ int main(int argc, char *argv[]) case 'V': verbose = 1; break; + case 'E': + erase_it = 1; + break; case 's': tempstr = strdup(optarg); sscanf(tempstr,"%x",&exclude_start_position); @@ -266,14 +270,18 @@ int main(int argc, char *argv[]) } printf("Part is %s\n", flash->name); - if (!filename) { + if (!filename && !erase_it) { printf("OK, only ENABLING flash write, but NOT FLASHING\n"); return 0; } size = flash->total_size * 1024; buf = (char *) calloc(size, sizeof(char)); - if (read_it) { + if (erase_it) { + printf("Erasing flash chip\n"); + flash->erase(flash); + exit(0); + } else if (read_it) { if ((image = fopen(filename, "w")) == NULL) { perror(filename); exit(1); @@ -62,26 +62,19 @@ int probe_jedec(struct flashchip *flash) int erase_sector_jedec(volatile unsigned char *bios, unsigned int page) { - volatile unsigned char *Temp; - /* Issue the Sector Erase command */ - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0xAA; /* write data 0xAA to the address */ + *(volatile char *) (bios + 0x5555) = 0xAA; myusec_delay(10); - Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */ - *Temp = 0x55; /* write data 0x55 to the address */ + *(volatile char *) (bios + 0x2AAA) = 0x55; myusec_delay(10); - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0x80; /* write data 0x80 to the address */ + *(volatile char *) (bios + 0x5555) = 0x80; myusec_delay(10); - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0xAA; /* write data 0xAA to the address */ + + *(volatile char *) (bios + 0x5555) = 0xAA; myusec_delay(10); - Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */ - *Temp = 0x55; /* write data 0x55 to the address */ + *(volatile char *) (bios + 0x2AAA) = 0x55; myusec_delay(10); - Temp = bios + page; /* set up address to be the current sector */ - *Temp = 0x30; /* write data 0x30 to the address */ + *(volatile char *) (bios + page) = 0x30; myusec_delay(10); /* wait for Toggle bit ready */ @@ -92,26 +85,19 @@ int erase_sector_jedec(volatile unsigned char *bios, unsigned int page) int erase_block_jedec(volatile unsigned char *bios, unsigned int block) { - volatile unsigned char *Temp; - /* Issue the Sector Erase command */ - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0xAA; /* write data 0xAA to the address */ + *(volatile char *) (bios + 0x5555) = 0xAA; myusec_delay(10); - Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */ - *Temp = 0x55; /* write data 0x55 to the address */ + *(volatile char *) (bios + 0x2AAA) = 0x55; myusec_delay(10); - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0x80; /* write data 0x80 to the address */ + *(volatile char *) (bios + 0x5555) = 0x80; myusec_delay(10); - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0xAA; /* write data 0xAA to the address */ + + *(volatile char *) (bios + 0x5555) = 0xAA; myusec_delay(10); - Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */ - *Temp = 0x55; /* write data 0x55 to the address */ + *(volatile char *) (bios + 0x2AAA) = 0x55; myusec_delay(10); - Temp = bios + block; /* set up address to be the current sector */ - *Temp = 0x50; /* write data 0x30 to the address */ + *(volatile char *) (bios + block) = 0x50; myusec_delay(10); /* wait for Toggle bit ready */ @@ -123,26 +109,20 @@ int erase_block_jedec(volatile unsigned char *bios, unsigned int block) int erase_chip_jedec(struct flashchip *flash) { volatile unsigned char *bios = flash->virt_addr; - volatile unsigned char *Temp; /* Issue the JEDEC Chip Erase command */ - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0xAA; /* write data 0xAA to the address */ + *(volatile char *) (bios + 0x5555) = 0xAA; myusec_delay(10); - Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */ - *Temp = 0x55; /* write data 0x55 to the address */ + *(volatile char *) (bios + 0x2AAA) = 0x55; myusec_delay(10); - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0x80; /* write data 0x80 to the address */ + *(volatile char *) (bios + 0x5555) = 0x80; myusec_delay(10); - Temp = bios + 0x5555; /* set up address to be BASE:5555h */ - *Temp = 0xAA; /* write data 0xAA to the address */ + + *(volatile char *) (bios + 0x5555) = 0xAA; myusec_delay(10); - Temp = bios + 0x2AAA; /* set up address to be BASE:2AAAh */ - *Temp = 0x55; /* write data 0x55 to the address */ + *(volatile char *) (bios + 0x2AAA) = 0x55; myusec_delay(10); - Temp = bios + 0x5555; /* set up address to be BASEy:5555h */ - *Temp = 0x10; /* write data 0x10 to the address */ + *(volatile char *) (bios + 0x5555) = 0x10; myusec_delay(10); toggle_ready_jedec(bios); diff --git a/pm49fl004.c b/pm49fl004.c index a3f42faf..afcd55a0 100644 --- a/pm49fl004.c +++ b/pm49fl004.c @@ -27,43 +27,13 @@ #include "jedec.h" #include "pm49fl004.h" -static __inline__ int erase_block_49fl004(volatile unsigned char *bios, - unsigned long address) -{ - 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 */ - - /* wait for Toggle bit ready */ - toggle_ready_jedec(bios); - - return (0); -} - - extern int exclude_start_page, exclude_end_page; int write_49fl004(struct flashchip *flash, unsigned char *buf) { int i; int total_size = flash->total_size * 1024, page_size = - flash->page_size; + flash->page_size; volatile char *bios = flash->virt_addr; printf("Programming Page: "); @@ -72,7 +42,7 @@ int write_49fl004(struct flashchip *flash, unsigned char *buf) continue; /* erase the page before programming */ - erase_block_49fl004(bios, i * page_size); + erase_block_jedec(bios, i * page_size); /* write to the sector */ printf("%04d at address: 0x%08x", i, i * page_size); diff --git a/sst39sf020.c b/sst39sf020.c index 401247a6..97e87a1c 100644 --- a/sst39sf020.c +++ b/sst39sf020.c @@ -51,22 +51,18 @@ int write_39sf020(struct flashchip *flash, unsigned char *buf) { int i; int total_size = flash->total_size * 1024, page_size = - flash->page_size; + flash->page_size; volatile char *bios = flash->virt_addr; erase_chip_jedec(flash); 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"); + 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"); diff --git a/sst_fwhub.c b/sst_fwhub.c index d9dd4670..c064ed66 100644 --- a/sst_fwhub.c +++ b/sst_fwhub.c @@ -47,38 +47,14 @@ void print_sst_fwhub_status(unsigned char status) } /* probe_jedec works fine for probing */ - int probe_sst_fwhub(struct flashchip *flash) { - volatile unsigned char *bios = flash->virt_addr; - unsigned char id1, id2; + volatile unsigned char *bios; size_t size = flash->total_size * 1024; - /* 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) + if (probe_jedec(flash) == 0) return 0; - myusec_delay(10); - bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED, flash->fd_mem, (off_t) (0xFFFFFFFF - 0x400000 - size + 1)); if (bios == MAP_FAILED) { @@ -91,23 +67,15 @@ int probe_sst_fwhub(struct flashchip *flash) return 1; } -unsigned char wait_sst_fwhub(volatile unsigned char *bios) -{ - toggle_ready_jedec(bios); - return 0; -} - int erase_sst_fwhub_block(struct flashchip *flash, int offset) { volatile unsigned char *wrprotect = flash->virt_addr_2 + offset + 2; - unsigned char status; - //printf("Erase at %p\n", bios); // clear write protect *(wrprotect) = 0; erase_block_jedec(flash->virt_addr, offset); - status = wait_sst_fwhub(flash->virt_addr); + toggle_ready_jedec(flash->virt_addr); return (0); } @@ -122,19 +90,6 @@ int erase_sst_fwhub(struct flashchip *flash) return (0); } -void write_page_sst_fwhub(volatile char *bios, char *src, - volatile char *dst, int page_size) -{ - int i; - - for (i = 0; i < page_size; i++) { - /* transfer data from source to destination */ - write_byte_program_jedec(bios, src, dst); - src++; - dst++; - } -} - int write_sst_fwhub(struct flashchip *flash, unsigned char *buf) { int i; @@ -150,8 +105,8 @@ int write_sst_fwhub(struct flashchip *flash, unsigned char *buf) printf("Programming Page: "); for (i = 0; i < total_size / page_size; i++) { printf("%04d at address: 0x%08x", i, i * page_size); - write_page_sst_fwhub(bios, buf + i * page_size, - bios + i * page_size, 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"); } printf("\n"); @@ -35,27 +35,20 @@ int write_49f002(struct flashchip *flash, unsigned char *buf) { int i; - int total_size = flash->total_size * 1024; + int total_size = flash->total_size * 1024, page_size = + flash->page_size; volatile char *bios = flash->virt_addr; - volatile char *dst = bios; erase_chip_jedec(flash); 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"); + 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"); |