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[Qemu-arm] [PATCH v5 26/28] hw/block/pflash_cfi02: Reduce single byte/wo
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-arm] [PATCH v5 26/28] hw/block/pflash_cfi02: Reduce single byte/word write delay |
Date: |
Thu, 27 Jun 2019 22:27:17 +0200 |
Signed-off-by: Stephen Checkoway <address@hidden>
Message-Id: <address@hidden>
[PMD: Extracted from bigger patch]
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
TODO: Why? To respect the datasheet? Which model is this?
---
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 b2d37c33bb..e9519cbae8 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -857,8 +857,8 @@ static void pflash_cfi02_realize(DeviceState *dev, Error
**errp)
pfl->cfi_table[0x1D] = 0x00;
/* Vpp max (no Vpp pin) */
pfl->cfi_table[0x1E] = 0x00;
- /* Timeout per single byte/word write (128 ms) */
- pfl->cfi_table[0x1F] = 0x07;
+ /* Timeout per single byte/word write (16 us) */
+ pfl->cfi_table[0x1F] = 0x04;
/* Timeout for min size buffer write (NA) */
pfl->cfi_table[0x20] = 0x00;
/* Typical timeout for block erase (512 ms) */
--
2.20.1
- [Qemu-arm] [PATCH v5 20/28] hw/block/pflash_cfi02: Split if() condition, (continued)
- [Qemu-arm] [PATCH v5 20/28] hw/block/pflash_cfi02: Split if() condition, Philippe Mathieu-Daudé, 2019/06/27
- [Qemu-arm] [PATCH v5 22/28] hw/block/pflash_cfi02: Fix reset command not ignored during erase, Philippe Mathieu-Daudé, 2019/06/27
- [Qemu-arm] [PATCH v5 21/28] hw/block/pflash_cfi02: Fix CFI in autoselect mode, Philippe Mathieu-Daudé, 2019/06/27
- [Qemu-arm] [PATCH v5 23/28] hw/block/pflash_cfi02: Implement multi-sector erase, Philippe Mathieu-Daudé, 2019/06/27
- [Qemu-arm] [PATCH v5 24/28] hw/block/pflash_cfi02: Implement erase suspend/resume, Philippe Mathieu-Daudé, 2019/06/27
- [Qemu-arm] [PATCH v5 25/28] hw/block/pflash_cfi02: Use chip erase time specified in the CFI table, Philippe Mathieu-Daudé, 2019/06/27
- [Qemu-arm] [PATCH v5 26/28] hw/block/pflash_cfi02: Reduce single byte/word write delay,
Philippe Mathieu-Daudé <=
- [Qemu-arm] [PATCH v5 28/28] hw/block/pflash_cfi02: Reduce I/O accesses to 16-bit, Philippe Mathieu-Daudé, 2019/06/27
- [Qemu-arm] [PATCH v5 27/28] hw/block/pflash_cfi02: Document commands, Philippe Mathieu-Daudé, 2019/06/27