mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2025-09-11 15:29:40 +00:00
ac4516d64f
Add support for FudanMicro FM25S01A SPI NAND.
Datasheet: http://eng.fmsh.com/nvm/FM25S01A_ds_eng.pdf
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
[add lore.kernel.org link to the patch files]
Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/19760
(cherry picked from commit a140bcbc7c)
[drop patches for kernel 6.12, refresh patches]
Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/19991
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
58 lines
1.6 KiB
Diff
58 lines
1.6 KiB
Diff
From f3fe3b15eca7908eaac57f9b8387a5dbc45ec5b2 Mon Sep 17 00:00:00 2001
|
|
From: "SkyLake.Huang" <skylake.huang@mediatek.com>
|
|
Date: Thu, 23 Jun 2022 18:40:59 +0800
|
|
Subject: [PATCH 6/6] drivers: mtd: spi-nor: Add calibration support for
|
|
spi-nor
|
|
|
|
Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
|
|
---
|
|
drivers/mtd/nand/spi/core.c | 5 ++++-
|
|
drivers/mtd/spi-nor/core.c | 15 +++++++++++++++
|
|
2 files changed, 19 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/mtd/nand/spi/core.c
|
|
+++ b/drivers/mtd/nand/spi/core.c
|
|
@@ -1025,7 +1025,10 @@ int spinand_cal_read(void *priv, u32 *ad
|
|
if (ret)
|
|
return ret;
|
|
|
|
- ret = spinand_wait(spinand, &status);
|
|
+ ret = spinand_wait(spinand,
|
|
+ SPINAND_READ_INITIAL_DELAY_US,
|
|
+ SPINAND_READ_POLL_DELAY_US,
|
|
+ &status);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
--- a/drivers/mtd/spi-nor/core.c
|
|
+++ b/drivers/mtd/spi-nor/core.c
|
|
@@ -3378,6 +3378,18 @@ static const struct flash_info *spi_nor_
|
|
return NULL;
|
|
}
|
|
|
|
+static int spi_nor_cal_read(void *priv, u32 *addr, int addrlen, u8 *buf, int readlen)
|
|
+{
|
|
+ struct spi_nor *nor = (struct spi_nor *)priv;
|
|
+
|
|
+ nor->reg_proto = SNOR_PROTO_1_1_1;
|
|
+ nor->read_proto = SNOR_PROTO_1_1_1;
|
|
+ nor->read_opcode = SPINOR_OP_READ;
|
|
+ nor->read_dummy = 0;
|
|
+
|
|
+ return nor->controller_ops->read(nor, *addr, readlen, buf);
|
|
+}
|
|
+
|
|
static const struct flash_info *spi_nor_get_flash_info(struct spi_nor *nor,
|
|
const char *name)
|
|
{
|
|
@@ -3506,6 +3518,9 @@ int spi_nor_scan(struct spi_nor *nor, co
|
|
if (ret)
|
|
return ret;
|
|
|
|
+ if(nor->spimem)
|
|
+ spi_mem_do_calibration(nor->spimem, spi_nor_cal_read, nor);
|
|
+
|
|
info = spi_nor_get_flash_info(nor, name);
|
|
if (IS_ERR(info))
|
|
return PTR_ERR(info);
|