openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-08-17 04:14:42 +02:00
Code Issues Releases Wiki Activity

Fix 32bit vs. 64bit long int arithematics

Browse Source 
Corresponding to flashrom svn r8 and coreboot v2 svn r1434.
This commit is contained in:
Ollie Lho
2004-03-18 19:40:07 +00:00
parent cec287936c
commit cf29de8798
6 changed files with 14 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
sst39sf020.c
View File

@@ -22,6 +22,8 @@
* Reference:
* 4 MEgabit (512K x 8) SuperFlash EEPROM, SST28SF040 data sheet
*
* ToDo: Consilidated to standard JEDEC code.
*
* $Id$
*/
@@ -37,34 +39,6 @@
#define RESET 0xFF
#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)
{
*bios = AUTO_PG_ERASE1;
@@ -77,9 +51,9 @@ static __inline__ int erase_sector_39sf020 (volatile char * bios, unsigned long
}
static __inline__ int write_sector_39sf020(volatile char * bios,
unsigned char * src,
volatile unsigned char * dst,
unsigned int page_size)
unsigned char * src,
volatile unsigned char * dst,
unsigned int page_size)
{
int i;
volatile char *Temp;
@@ -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;
volatile char * bios = flash->virt_addr;
// unprotect_39sf020 (bios);
erase_39sf020(flash);
printf ("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) {
/* erase the page before programming */
@@ -193,7 +167,5 @@ int write_39sf020 (struct flashchip * flash, unsigned char * buf)
}
printf("\n");
// protect_39sf020 (bios);
return(0);
}