openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-04-27 23:22:37 +02:00
Code Issues Releases Wiki Activity

Make sure we delay writing the next byte long enough in SPI byte programming

Browse Source 
Minor formatting changes.

Corresponding to flashrom svn r184 and coreboot v2 svn r3069.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Harald Gutmann <harald.gutmann@gmx.net>
This commit is contained in:
Carl-Daniel Hailfinger 2008-01-22 14:37:31 +00:00
parent d4554c5d73
commit d3568adfe1
1 changed files with 19 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
spi.c
View File

@ -519,12 +519,8 @@ int it8716f_over512k_spi_chip_write(struct flashchip *flash, uint8_t *buf)
for (i = 0; i < total_size; i++) { for (i = 0; i < total_size; i++) {
generic_spi_write_enable(); generic_spi_write_enable();
spi_byte_program(i, buf[i]); spi_byte_program(i, buf[i]);
/* FIXME: We really should read the status register and delay while (generic_spi_read_status_register() & JEDEC_RDSR_BIT_WIP)
* accordingly.
*/
//while (generic_spi_read_status_register() & JEDEC_RDSR_BIT_WIP)
myusec_delay(10); myusec_delay(10);
//if (i%1024==0) fputc('b',stderr);
} }
/* resume normal ops... */ /* resume normal ops... */
outb(0x20, it8716f_flashport); outb(0x20, it8716f_flashport);
@ -556,7 +552,8 @@ int generic_spi_chip_read(struct flashchip *flash, uint8_t *buf)
if (total_size > 512 * 1024) { if (total_size > 512 * 1024) {
for (i = 0; i < total_size; i += 3) { for (i = 0; i < total_size; i += 3) {
int toread = 3; int toread = 3;
if (total_size-i < toread) toread=total_size-i; if (total_size - i < toread)
toread = total_size - i;
spi_3byte_read(i, buf + i, toread); spi_3byte_read(i, buf + i, toread);
} }
} else { } else {