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fixed 32bit v.s. 64bit long int arithematics 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1434 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo 2004-03-18 19:40:07 +00:00
parent 698f23db22
commit 26b237ee18
6 changed files with 14 additions and 43 deletions
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5
util/flash_and_burn/flash_rom.c
View File

@ -115,8 +115,7 @@ struct flashchip * probe_flash(struct flashchip * flash)
flash->total_size * 1024, (unsigned long)size); 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) (0x100000000-size)); 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");
exit(1); exit(1);
@ -126,7 +125,7 @@ struct flashchip * probe_flash(struct flashchip * flash)
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, (0 - size)); flash->name, (0xffffffff - size + 1));
return flash; return flash;
} }
munmap ((void *) bios, size); munmap ((void *) bios, size);

34
util/flash_and_burn/sst39sf020.c
View File

@ -22,6 +22,8 @@
* Reference: * Reference:
* 4 MEgabit (512K x 8) SuperFlash EEPROM, SST28SF040 data sheet * 4 MEgabit (512K x 8) SuperFlash EEPROM, SST28SF040 data sheet
* *
* ToDo: Consilidated to standard JEDEC code.
*
* $Id$ * $Id$
*/ */
@ -37,34 +39,6 @@
#define RESET 0xFF #define RESET 0xFF
#define READ_ID 0x90 #define READ_ID 0x90
static __inline__ void protect_39sf020 (volatile char * bios)
{
/* ask compiler not to optimize this */
volatile unsigned char tmp;
tmp = *(volatile unsigned char *) (bios + 0x1823);
tmp = *(volatile unsigned char *) (bios + 0x1820);
tmp = *(volatile unsigned char *) (bios + 0x1822);
tmp = *(volatile unsigned char *) (bios + 0x0418);
tmp = *(volatile unsigned char *) (bios + 0x041B);
tmp = *(volatile unsigned char *) (bios + 0x0419);
tmp = *(volatile unsigned char *) (bios + 0x040A);
}
static __inline__ void unprotect_39sf020 (volatile char * bios)
{
/* ask compiler not to optimize this */
volatile unsigned char tmp;
tmp = *(volatile unsigned char *) (bios + 0x1823);
tmp = *(volatile unsigned char *) (bios + 0x1820);
tmp = *(volatile unsigned char *) (bios + 0x1822);
tmp = *(volatile unsigned char *) (bios + 0x0418);
tmp = *(volatile unsigned char *) (bios + 0x041B);
tmp = *(volatile unsigned char *) (bios + 0x0419);
tmp = *(volatile unsigned char *) (bios + 0x041A);
}
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;
@ -177,8 +151,8 @@ int write_39sf020 (struct flashchip * flash, unsigned char * buf)
int total_size = flash->total_size * 1024, page_size = flash->page_size; int total_size = flash->total_size * 1024, page_size = flash->page_size;
volatile char * bios = flash->virt_addr; volatile char * bios = flash->virt_addr;
// unprotect_39sf020 (bios);
erase_39sf020(flash); erase_39sf020(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 */
@ -193,7 +167,5 @@ int write_39sf020 (struct flashchip * flash, unsigned char * buf)
} }
printf("\n"); printf("\n");
// protect_39sf020 (bios);
return(0); return(0);
} }

4
util/flash_and_burn/sst49lf040.c
View File

@ -21,6 +21,8 @@
* Reference: * Reference:
* 4 MEgabit (512K x 8) SuperFlash EEPROM, SST49lF040 data sheet * 4 MEgabit (512K x 8) SuperFlash EEPROM, SST49lF040 data sheet
* *
* ToDo: Consilidated to standard JEDEC code.
*
* $Id$ * $Id$
*/ */
#include <stdio.h> #include <stdio.h>
@ -59,7 +61,7 @@ static int erase_sector_49lf040 (volatile char * bios, unsigned int page)
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(25000); myusec_delay(50000);
/* wait for Toggle bit ready */ /* wait for Toggle bit ready */
toggle_ready_jedec(bios); toggle_ready_jedec(bios);

3
util/flash_and_burn/udelay.c
View File

@ -17,17 +17,14 @@ void myusec_calibrate_delay()
unsigned long timeusec; unsigned long timeusec;
struct timeval start, end; struct timeval start, end;
int ok = 0; int ok = 0;
void myusec_delay(int time);
printf("Setting up microsecond timing loop\n"); printf("Setting up microsecond timing loop\n");
while (!ok) { while (!ok) {
//fprintf(stderr, "Try %d\n", count);
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);
//fprintf(stderr, "timeusec is %d\n", timeusec);
count *= 2; count *= 2;
if (timeusec < 1000000/4) if (timeusec < 1000000/4)
continue; continue;

3
util/flash_and_burn/w49f002u.c
View File

@ -22,6 +22,8 @@
* Reference: * Reference:
* W49F002U data sheet * W49F002U data sheet
* *
* ToDo: Consilidated to standard JEDEC code.
*
* $Id$ * $Id$
*/ */
@ -80,7 +82,6 @@ int write_49f002 (struct flashchip * flash, unsigned char * buf)
volatile char * bios = flash->virt_addr; volatile char * bios = flash->virt_addr;
volatile char * dst = bios; volatile char * dst = bios;
myusec_delay(10);
erase_49f002(flash); erase_49f002(flash);
printf ("Programming Page: "); printf ("Programming Page: ");