consolidate more jedec standard code

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1457 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 19 insertions, 57 deletions

diff --git a/util/flash_and_burn/jedec.h b/util/flash_and_burn/jedec.h
index 0b00c26698..b62223b1c1 100644
--- a/util/flash_and_burn/jedec.h
+++ b/util/flash_and_burn/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 __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;
@@ -21,7 +26,7 @@ extern __inline__ void toggle_ready_jedec (volatile char * dst)
 	}
 }
 
-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;
@@ -36,69 +41,26 @@ extern __inline__ void data_polling_jedec (volatile char * dst, char data)
 	}
 }
 
-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__ */