Consolidate more jedec standard code
Corresponding to flashrom svn r15 and coreboot v2 svn r1457.
diff --git a/jedec.h b/jedec.h
index 0b00c26..b62223b 100644
--- a/jedec.h
+++ b/jedec.h
@@ -1,11 +1,16 @@
#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 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)
+extern __inline__ void toggle_ready_jedec(volatile char *dst)
{
unsigned int i = 0;
char tmp1, tmp2;
@@ -21,7 +26,7 @@
}
}
-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;
@@ -36,7 +41,19 @@
}
}
-extern __inline__ void protect_jedec (volatile char * bios)
+extern __inline__ void unprotect_jedec(volatile char *bios)
+{
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ *(volatile char *) (bios + 0x5555) = 0x80;
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ *(volatile char *) (bios + 0x5555) = 0x20;
+
+ usleep(200);
+}
+
+extern __inline__ void protect_jedec(volatile char *bios)
{
*(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55;
@@ -45,60 +62,5 @@
usleep(200);
}
-extern int erase_sector_jedec (volatile char * bios, unsigned int page);
-extern __inline__ void write_page_jedec (volatile char * bios, char * src, volatile char * dst,
- int page_size)
-{
- int i;
-
- *(volatile char *) (bios + 0x5555) = 0xAA;
- *(volatile char *) (bios + 0x2AAA) = 0x55;
- *(volatile char *) (bios + 0x5555) = 0xA0;
-
- for (i = 0; i < page_size; i++) {
- /* transfer data from source to destination */
- *dst++ = *src++;
- }
-
- usleep(100);
- toggle_ready_jedec(dst-1);
-}
-
-static __inline__ int write_sector_jedec(volatile char * bios,
- unsigned char * src,
- volatile unsigned char * dst,
- unsigned int page_size)
-{
- int i;
- volatile char *Temp;
-
- for (i = 0; i < page_size; i++) {
- if (*dst != 0xff) {
- printf("FATAL: dst %p not erased (val 0x%x\n", dst, *dst);
- return(-1);
- }
- /* transfer data from source to destination */
- if (*src == 0xFF) {
- dst++, src++;
- /* If the data is 0xFF, don't program it */
- continue;
- }
- Temp = (bios + 0x5555);
- *Temp = 0xAA;
- Temp = bios + 0x2AAA;
- *Temp = 0x55;
- Temp = bios + 0x5555;
- *Temp = 0xA0;
- *dst = *src;
- toggle_ready_jedec(bios);
- if (*dst != *src)
- printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
- (unsigned long)dst, *dst, *src);
- dst++, src++;
- }
-
- return(0);
-}
-
-#endif /* !__JEDEC_H__ */
+#endif /* !__JEDEC_H__ */