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authorOllie Lho <ollie@sis.com.tw>2004-03-20 16:46:10 +0000
committerOllie Lho <ollie@sis.com.tw>2004-03-20 16:46:10 +0000
commit761bf1bdb7268f8818dd22b15e944365afdf1459 (patch)
treeecbd632c87d64c6651f84a705ce4c3861108069d /am29f040b.c
parent73eca80d9b28bfc38fa4b8d2ef9c580840133a38 (diff)
downloadast2050-flashrom-761bf1bdb7268f8818dd22b15e944365afdf1459.zip
ast2050-flashrom-761bf1bdb7268f8818dd22b15e944365afdf1459.tar.gz
Consolidate more jedec standard code
Corresponding to flashrom svn r15 and coreboot v2 svn r1457.
Diffstat (limited to 'am29f040b.c')
-rw-r--r--am29f040b.c67
1 files changed, 36 insertions, 31 deletions
diff --git a/am29f040b.c b/am29f040b.c
index 9d770cf..3ebfe86 100644
--- a/am29f040b.c
+++ b/am29f040b.c
@@ -28,13 +28,14 @@
#include "flash.h"
#include "jedec.h"
-static __inline__ int erase_sector_29f040b (volatile char * bios, unsigned long address)
+static __inline__ int erase_sector_29f040b(volatile char *bios,
+ unsigned long address)
{
- *(bios + 0x555) = 0xAA;
- *(bios + 0x2AA) = 0x55;
- *(bios + 0x555) = 0x80;
- *(bios + 0x555) = 0xAA;
- *(bios + 0x2AA) = 0x55;
+ *(bios + 0x555) = 0xAA;
+ *(bios + 0x2AA) = 0x55;
+ *(bios + 0x555) = 0x80;
+ *(bios + 0x555) = 0xAA;
+ *(bios + 0x2AA) = 0x55;
*(bios + address) = 0x30;
sleep(2);
@@ -42,17 +43,20 @@ static __inline__ int erase_sector_29f040b (volatile char * bios, unsigned long
/* wait for Toggle bit ready */
toggle_ready_jedec(bios + address);
- return(0);
+ return (0);
}
-static __inline__ int write_sector_29f040b(volatile char * bios, unsigned char * src,
- volatile unsigned char * dst, unsigned int page_size)
+static __inline__ int write_sector_29f040b(volatile char *bios,
+ unsigned char *src,
+ volatile unsigned char *dst,
+ unsigned int page_size)
{
int i;
for (i = 0; i < page_size; i++) {
- printf("0x%08lx", (unsigned long) dst - (unsigned long) bios);
-
+ printf("0x%08lx",
+ (unsigned long) dst - (unsigned long) bios);
+
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0xA0;
@@ -64,25 +68,25 @@ static __inline__ int write_sector_29f040b(volatile char * bios, unsigned char *
printf("\b\b\b\b\b\b\b\b\b\b");
}
- return(0);
+ return (0);
}
-int probe_29f040b (struct flashchip * flash)
+int probe_29f040b(struct flashchip *flash)
{
- volatile unsigned char * bios = flash->virt_addr;
+ volatile unsigned char *bios = flash->virt_addr;
unsigned char id1, id2;
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0x90;
-
- id1 = * bios;
- id2 = * (bios + 0x01);
+
+ id1 = *bios;
+ id2 = *(bios + 0x01);
*bios = 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)
return 1;
@@ -90,9 +94,9 @@ int probe_29f040b (struct flashchip * flash)
return 0;
}
-int erase_29f040b (struct flashchip * flash)
+int erase_29f040b(struct flashchip *flash)
{
- volatile unsigned char * bios = flash->virt_addr;
+ volatile unsigned char *bios = flash->virt_addr;
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
@@ -104,27 +108,28 @@ int erase_29f040b (struct flashchip * flash)
myusec_delay(10);
toggle_ready_jedec(bios);
- return(0);
+ return (0);
}
-int write_29f040b (struct flashchip * flash, unsigned char * buf)
+int write_29f040b(struct flashchip *flash, unsigned char *buf)
{
int i;
- int total_size = flash->total_size * 1024, page_size = flash->page_size;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile char *bios = flash->virt_addr;
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
+ printf("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */
erase_sector_29f040b(bios, i * page_size);
/* write to the sector */
- printf ("%04d at address: ", i);
- write_sector_29f040b(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");
+ printf("%04d at address: ", i);
+ write_sector_29f040b(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");
}
printf("\n");
- return(0);
+ return (0);
}
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