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Add -E option for chip erase, remove duplicated code

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Corresponding to flashrom svn r30 and coreboot v2 svn r1815.
This commit is contained in:
Ollie Lho
2004-12-08 20:10:01 +00:00
parent 1b8b66000f
commit efa28589b1
6 changed files with 49 additions and 147 deletions
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34
pm49fl004.c
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@ -27,43 +27,13 @@
#include "jedec.h"
#include "pm49fl004.h"
static __inline__ int erase_block_49fl004(volatile unsigned char *bios,
unsigned long address)
{
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 + 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);
return (0);
}
extern int exclude_start_page, exclude_end_page;
int write_49fl004(struct flashchip *flash, unsigned char *buf)
{
int i;
int total_size = flash->total_size * 1024, page_size =
flash->page_size;
flash->page_size;
volatile char *bios = flash->virt_addr;
printf("Programming Page: ");
@ -72,7 +42,7 @@ int write_49fl004(struct flashchip *flash, unsigned char *buf)
continue;
/* erase the page before programming */
erase_block_49fl004(bios, i * page_size);
erase_block_jedec(bios, i * page_size);
/* write to the sector */
printf("%04d at address: 0x%08x", i, i * page_size);