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From 9282e2f4ce89cc3d19a5d1cb32c321dfe1808fc3 Mon Sep 17 00:00:00 2001
From: Mathew Blowers <mathew.blowers@raspberrypi.com>
Date: Tue, 11 Aug 2026 13:56:21 +0100
Subject: [PATCH] flashchips: Add PUYA P25Q40HB
Datasheet: https://datasheet4u.com/pdf/1603105/PY25Q40HB.pdf
Tested: probe, read, write and erase
Tested-with: Raspberry Pi 4
https://paste.flashrom.org/view.php?id=3885
Change-Id: I1bf8ccced1d1d63dfb7ec56eac6c95cbe14ec742
Signed-off-by: Mathew Blowers <mathew.blowers@raspberrypi.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/94903
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Abdelkader Boudih <coreboot@seuros.com>
---
flashchips/puya.c | 38 ++++++++++++++++++++++++++++++++++++++
include/flashchips.h | 1 +
2 files changed, 39 insertions(+)
--- a/flashchips/puya.c
+++ b/flashchips/puya.c
@@ -12,6 +12,44 @@
{
.vendor = "PUYA",
+ .name = "P25Q40HB",
+ .bustype = BUS_SPI,
+ .manufacture_id = PUYA_ID,
+ .model_id = PUYA_P25Q40HB,
+ .total_size = 512,
+ .page_size = 256,
+ .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP,
+ .tested = TEST_OK_PREW,
+ .probe = PROBE_SPI_RDID,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = { {4 * 1024, 128} },
+ .block_erase = SPI_BLOCK_ERASE_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 16} },
+ .block_erase = SPI_BLOCK_ERASE_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 8} },
+ .block_erase = SPI_BLOCK_ERASE_D8,
+ }, {
+ .eraseblocks = { {512 * 1024, 1} },
+ .block_erase = SPI_BLOCK_ERASE_60,
+ }, {
+ .eraseblocks = { {512 * 1024, 1} },
+ .block_erase = SPI_BLOCK_ERASE_C7,
+ }
+ },
+ .printlock = SPI_PRETTYPRINT_STATUS_REGISTER_BP4_SRWD,
+ .unlock = SPI_DISABLE_BLOCKPROTECT_BP4_SRWD,
+ .write = SPI_CHIP_WRITE256,
+ .read = SPI_CHIP_READ,
+ .voltage = {2300, 3600},
+ },
+
+ {
+ .vendor = "PUYA",
.name = "P25Q16HB",
.bustype = BUS_SPI,
.manufacture_id = PUYA_ID,
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -669,6 +669,7 @@
#define PMC_PM49FL004 0x6E
#define PUYA_ID 0x85
+#define PUYA_P25Q40HB 0x2013
#define PUYA_P25Q16HB 0x2015
#define PUYA_P25Q06H 0x4010
#define PUYA_P25Q11H 0x4011
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