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authorOllie Lho <ollie@sis.com.tw>2004-03-19 22:10:07 +0000
committerOllie Lho <ollie@sis.com.tw>2004-03-19 22:10:07 +0000
commit73eca80d9b28bfc38fa4b8d2ef9c580840133a38 (patch)
tree5b23c4ae48b72c02b38f1dac9f074a3b17be2b36 /pm49fl004.c
parent180850e2c05a19e5e160cb32c14c1c5192068130 (diff)
downloadast2050-flashrom-73eca80d9b28bfc38fa4b8d2ef9c580840133a38.zip
ast2050-flashrom-73eca80d9b28bfc38fa4b8d2ef9c580840133a38.tar.gz
Remove duplicated code
Corresponding to flashrom svn r14 and coreboot v2 svn r1456.
Diffstat (limited to 'pm49fl004.c')
-rw-r--r--pm49fl004.c84
1 files changed, 12 insertions, 72 deletions
diff --git a/pm49fl004.c b/pm49fl004.c
index 3e4e877..25921c6 100644
--- a/pm49fl004.c
+++ b/pm49fl004.c
@@ -35,23 +35,23 @@ static __inline__ int erase_block_49fl004 ( volatile unsigned char * bios ,unsig
{
volatile unsigned char *Temp;
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
+ Temp = bios + 0x5555; /* set up address to be C000:5555h */
+ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
+ Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
+ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0x80; /* write data 0x80 to the address */
+ Temp = bios + 0x5555; /* set up address to be C000:5555h */
+ *Temp = 0x80; /* write data 0x80 to the address */
myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
+ Temp = bios + 0x5555; /* set up address to be C000:5555h */
+ *Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
+ Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
+ *Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
- Temp = bios + address; /* set up address to be C000:5555h */
- *Temp = 0x50; /* write data 0x55 to the address */
+ Temp = bios + address; /* set up address to be C000:5555h */
+ *Temp = 0x50; /* write data 0x50 to the address */
/* wait for Toggle bit ready */
toggle_ready_jedec(bios);
@@ -95,66 +95,6 @@ static __inline__ int write_block_49fl004(volatile char * bios,
return(0);
}
-int probe_49fl004 (struct flashchip * flash)
-{
- volatile char * bios = flash->virt_addr;
- unsigned char id1, id2;
-
- *(volatile char *) (bios + 0x5555) = 0xAA;
- myusec_delay(10);
- *(volatile char *) (bios + 0x2AAA) = 0x55;
- myusec_delay(10);
- *(volatile char *) (bios + 0x5555) = 0x90;
-
- myusec_delay(10);
-
- id1 = *(volatile unsigned char *) bios;
- id2 = *(volatile unsigned char *) (bios + 0x01);
-
- *(volatile char *) (bios + 0x5555) = 0xAA;
- *(volatile char *) (bios + 0x2AAA) = 0x55;
- *(volatile char *) (bios + 0x5555) = 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;
-
- return 0;
-}
-
-int erase_49fl004 (struct flashchip * flash)
-{
- volatile unsigned char * bios = flash->virt_addr;
- volatile unsigned char *Temp;
-
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
- myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
- myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0x80; /* write data 0x80 to the address */
- myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0xAA; /* write data 0xAA to the address */
- myusec_delay(10);
- Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
- *Temp = 0x55; /* write data 0x55 to the address */
- myusec_delay(10);
- Temp = bios + 0x5555; /* set up address to be C000:5555h */
- *Temp = 0x10; /* write data 0x10 to the address */
-
-
- /* wait for Toggle bit ready */
- toggle_ready_jedec(bios);
-
- return(0);
-}
-
int write_49fl004 (struct flashchip * flash, unsigned char * buf)
{
int i;
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