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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 /mx29f002.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 'mx29f002.c')
-rw-r--r--mx29f002.c70
1 files changed, 35 insertions, 35 deletions
diff --git a/mx29f002.c b/mx29f002.c
index 4c22cd4..2e69173 100644
--- a/mx29f002.c
+++ b/mx29f002.c
@@ -30,18 +30,18 @@
#include "jedec.h"
#include "mx29f002.h"
-int probe_29f002 (struct flashchip * flash)
+int probe_29f002(struct flashchip *flash)
{
- volatile char * bios = flash->virt_addr;
+ volatile char *bios = flash->virt_addr;
unsigned char id1, id2;
*(bios + 0x5555) = 0xAA;
*(bios + 0x2AAA) = 0x55;
*(bios + 0x5555) = 0x90;
-
+
id1 = *(volatile unsigned char *) bios;
id2 = *(volatile unsigned char *) (bios + 0x01);
-
+
*bios = 0xF0;
myusec_delay(10);
@@ -53,9 +53,9 @@ int probe_29f002 (struct flashchip * flash)
return 0;
}
-int erase_29f002 (struct flashchip * flash)
+int erase_29f002(struct flashchip *flash)
{
- volatile char * bios = flash->virt_addr;
+ volatile char *bios = flash->virt_addr;
*(bios + 0x555) = 0xF0;
*(bios + 0x555) = 0xAA;
@@ -81,39 +81,39 @@ int erase_29f002 (struct flashchip * flash)
*(bios + 0x3bfff) = 0x30;
#endif
- return(0);
+ return (0);
}
-int write_29f002 (struct flashchip * flash, unsigned char * buf)
+int write_29f002(struct flashchip *flash, unsigned char *buf)
{
- int i;
- int total_size = flash->total_size * 1024;
- volatile char * bios = flash->virt_addr;
- volatile char * dst = bios;
-
- *bios = 0xF0;
- myusec_delay(10);
- erase_29f002(flash);
- //*bios = 0xF0;
-#if 1
- printf ("Programming Page: ");
- for (i = 0; i < total_size; i++) {
- /* write to the sector */
- if ((i & 0xfff) == 0)
- printf ("address: 0x%08lx", (unsigned long)i);
- *(bios + 0x5555) = 0xAA;
- *(bios + 0x2AAA) = 0x55;
- *(bios + 0x5555) = 0xA0;
- *dst++ = *buf++;
+ int i;
+ int total_size = flash->total_size * 1024;
+ volatile char *bios = flash->virt_addr;
+ volatile char *dst = bios;
- /* wait for Toggle bit ready */
- toggle_ready_jedec(dst);
-
- if ((i & 0xfff) == 0)
- printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
- }
+ *bios = 0xF0;
+ myusec_delay(10);
+ erase_29f002(flash);
+ //*bios = 0xF0;
+#if 1
+ printf("Programming Page: ");
+ for (i = 0; i < total_size; i++) {
+ /* write to the sector */
+ if ((i & 0xfff) == 0)
+ printf("address: 0x%08lx", (unsigned long) i);
+ *(bios + 0x5555) = 0xAA;
+ *(bios + 0x2AAA) = 0x55;
+ *(bios + 0x5555) = 0xA0;
+ *dst++ = *buf++;
+
+ /* wait for Toggle bit ready */
+ toggle_ready_jedec(dst);
+
+ if ((i & 0xfff) == 0)
+ printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
+ }
#endif
- printf("\n");
+ printf("\n");
- return(0);
+ return (0);
}
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