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[Qemu-devel] [PATCH v3 10/10] block/pflash_cfi02: Use the chip erase tim
From: |
Stephen Checkoway |
Subject: |
[Qemu-devel] [PATCH v3 10/10] block/pflash_cfi02: Use the chip erase time specified in the CFI table |
Date: |
Wed, 17 Apr 2019 18:01:47 -0400 |
When erasing the chip, use the typical time specified in the CFI table
rather than arbitrarily selecting 5 seconds.
Since the currently unconfigurable value set in the table is 12, this
means a chip erase takes 4096 ms so this isn't a big change in behavior.
Signed-off-by: Stephen Checkoway <address@hidden>
---
hw/block/pflash_cfi02.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index d9087cafff..76c8af4365 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -633,9 +633,9 @@ static void pflash_write(void *opaque, hwaddr offset,
uint64_t value,
pflash_update(pfl, 0, pfl->total_len);
}
set_dq7(pfl, 0x00);
- /* Let's wait 5 seconds before chip erase is done */
+ /* Wait the time specified at CFI address 0x22. */
timer_mod(&pfl->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
- (NANOSECONDS_PER_SECOND * 5));
+ (1ULL << pfl->cfi_table[0x22]) * SCALE_MS);
break;
case 0x30:
/* Sector erase */
--
2.20.1 (Apple Git-117)
- [Qemu-devel] [PATCH v3 02/10] block/pflash_cfi02: Refactor, NFC intended, (continued)
- [Qemu-devel] [PATCH v3 02/10] block/pflash_cfi02: Refactor, NFC intended, Stephen Checkoway, 2019/04/17
- [Qemu-devel] [PATCH v3 06/10] block/pflash_cfi02: Fix CFI in autoselect mode, Stephen Checkoway, 2019/04/17
- [Qemu-devel] [PATCH v3 07/10] block/pflash_cfi02: Fix reset command not ignored during erase, Stephen Checkoway, 2019/04/17
- [Qemu-devel] [PATCH v3 08/10] block/pflash_cfi02: Implement multi-sector erase, Stephen Checkoway, 2019/04/17
- [Qemu-devel] [PATCH v3 04/10] block/pflash_cfi02: Implement intereleaved flash devices, Stephen Checkoway, 2019/04/17
- [Qemu-devel] [PATCH v3 05/10] block/pflash_cfi02: Implement nonuniform sector sizes, Stephen Checkoway, 2019/04/17
- [Qemu-devel] [PATCH v3 10/10] block/pflash_cfi02: Use the chip erase time specified in the CFI table,
Stephen Checkoway <=
- [Qemu-devel] [PATCH v3 09/10] block/pflash_cfi02: Implement erase suspend/resume, Stephen Checkoway, 2019/04/17