diff options
| author | hailfinger <hailfinger@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1> | 2009-12-17 04:22:40 +0000 |
|---|---|---|
| committer | hailfinger <hailfinger@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1> | 2009-12-17 04:22:40 +0000 |
| commit | 79128a97257fcf4c2d03daac2c704ddec36c9f87 (patch) | |
| tree | 66e4f1e680d327f72cb10ec350aaced0dbe9c62a /jedec.c | |
| parent | 31f3ec604545e989fb71e7f350537e7a0c6473a9 (diff) | |
| download | flashrom-79128a97257fcf4c2d03daac2c704ddec36c9f87.tar.gz | |
probe_jedec() checks the delay value and issues programmer_delay based
on the value except for delays between single chip_writeb.
If a chip has zero probe_delay, delays between chip_writeb should be
skipped as well.
Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
git-svn-id: https://code.coreboot.org/svn/flashrom/trunk@805 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'jedec.c')
| -rw-r--r-- | jedec.c | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -96,11 +96,14 @@ int probe_jedec(struct flashchip *flash) /* Issue JEDEC Product ID Entry command */ chip_writeb(0xAA, bios + 0x5555); - programmer_delay(10); + if (probe_timing_enter) + programmer_delay(10); chip_writeb(0x55, bios + 0x2AAA); - programmer_delay(10); + if (probe_timing_enter) + programmer_delay(10); chip_writeb(0x90, bios + 0x5555); - programmer_delay(probe_timing_enter); + if (probe_timing_enter) + programmer_delay(probe_timing_enter); /* Read product ID */ id1 = chip_readb(bios); @@ -122,11 +125,14 @@ int probe_jedec(struct flashchip *flash) /* Issue JEDEC Product ID Exit command */ chip_writeb(0xAA, bios + 0x5555); - programmer_delay(10); + if (probe_timing_exit) + programmer_delay(10); chip_writeb(0x55, bios + 0x2AAA); - programmer_delay(10); + if (probe_timing_exit) + programmer_delay(10); chip_writeb(0xF0, bios + 0x5555); - programmer_delay(probe_timing_exit); + if (probe_timing_exit) + programmer_delay(probe_timing_exit); printf_debug("%s: id1 0x%02x, id2 0x%02x", __func__, largeid1, largeid2); if (!oddparity(id1)) |