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m25p80: Add the n25q256a SFDP table

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The same values were collected on 4 differents OpenPower systems,
palmettos, romulus and tacoma.

The SFDP table size is defined as being 0x100 bytes but it could be
bigger. Only the mandatory table for basic features is available at
byte 0x30.

Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Message-Id: <20220722063602.128144-3-clg@kaod.org>
Message-Id: <20221013161241.2805140-3-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Cédric Le Goater 2022-10-24 11:20:15 +02:00
parent 2389bcc259
commit 5eb24fbd8c
4 changed files with 66 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
hw/block/m25p80.c
View file

@ -247,13 +247,15 @@ static const FlashPartInfo known_devices[] = {
{ INFO("n25q128a11", 0x20bb18, 0, 64 << 10, 256, ER_4K) },
{ INFO("n25q128a13", 0x20ba18, 0, 64 << 10, 256, ER_4K) },
{ INFO("n25q256a11", 0x20bb19, 0, 64 << 10, 512, ER_4K) },
{ INFO("n25q256a13", 0x20ba19, 0, 64 << 10, 512, ER_4K) },
{ INFO("n25q256a13", 0x20ba19, 0, 64 << 10, 512, ER_4K),
.sfdp_read = m25p80_sfdp_n25q256a },
{ INFO("n25q512a11", 0x20bb20, 0, 64 << 10, 1024, ER_4K) },
{ INFO("n25q512a13", 0x20ba20, 0, 64 << 10, 1024, ER_4K) },
{ INFO("n25q128", 0x20ba18, 0, 64 << 10, 256, 0) },
{ INFO("n25q256a", 0x20ba19, 0, 64 << 10, 512,
ER_4K | HAS_SR_BP3_BIT6 | HAS_SR_TB) },
{ INFO("n25q512a", 0x20ba20, 0, 64 << 10, 1024, ER_4K) },
ER_4K | HAS_SR_BP3_BIT6 | HAS_SR_TB),
.sfdp_read = m25p80_sfdp_n25q256a },
{ INFO("n25q512a", 0x20ba20, 0, 64 << 10, 1024, ER_4K) },
{ INFO("n25q512ax3", 0x20ba20, 0x1000, 64 << 10, 1024, ER_4K) },
{ INFO("mt25ql512ab", 0x20ba20, 0x1044, 64 << 10, 1024, ER_4K | ER_32K) },
{ INFO_STACKED("mt35xu01g", 0x2c5b1b, 0x104100, 128 << 10, 1024,

58
hw/block/m25p80_sfdp.c Normal file
View file

@ -0,0 +1,58 @@
/*
* M25P80 Serial Flash Discoverable Parameter (SFDP)
*
* Copyright (c) 2020, IBM Corporation.
*
* This code is licensed under the GPL version 2 or later. See the
* COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qemu/host-utils.h"
#include "m25p80_sfdp.h"
#define define_sfdp_read(model) \
uint8_t m25p80_sfdp_##model(uint32_t addr) \
{ \
assert(is_power_of_2(sizeof(sfdp_##model))); \
return sfdp_##model[addr & (sizeof(sfdp_##model) - 1)]; \
}
/*
* Micron
*/
static const uint8_t sfdp_n25q256a[] = {
0x53, 0x46, 0x44, 0x50, 0x00, 0x01, 0x00, 0xff,
0x00, 0x00, 0x01, 0x09, 0x30, 0x00, 0x00, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xe5, 0x20, 0xfb, 0xff, 0xff, 0xff, 0xff, 0x0f,
0x29, 0xeb, 0x27, 0x6b, 0x08, 0x3b, 0x27, 0xbb,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x27, 0xbb,
0xff, 0xff, 0x29, 0xeb, 0x0c, 0x20, 0x10, 0xd8,
0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
};
define_sfdp_read(n25q256a);

2
hw/block/m25p80_sfdp.h
View file

@ -15,4 +15,6 @@
*/
#define M25P80_SFDP_MAX_SIZE (1 << 24)
uint8_t m25p80_sfdp_n25q256a(uint32_t addr);
#endif

1
hw/block/meson.build
View file

@ -12,6 +12,7 @@ softmmu_ss.add(when: 'CONFIG_ONENAND', if_true: files('onenand.c'))
softmmu_ss.add(when: 'CONFIG_PFLASH_CFI01', if_true: files('pflash_cfi01.c'))
softmmu_ss.add(when: 'CONFIG_PFLASH_CFI02', if_true: files('pflash_cfi02.c'))
softmmu_ss.add(when: 'CONFIG_SSI_M25P80', if_true: files('m25p80.c'))
softmmu_ss.add(when: 'CONFIG_SSI_M25P80', if_true: files('m25p80_sfdp.c'))
softmmu_ss.add(when: 'CONFIG_SWIM', if_true: files('swim.c'))
softmmu_ss.add(when: 'CONFIG_XEN', if_true: files('xen-block.c'))
softmmu_ss.add(when: 'CONFIG_TC58128', if_true: files('tc58128.c'))