64773fd5660a38045f2f13e2c34650f2b31f7595
[openwrt/openwrt.git] / target / linux / layerscape / patches-4.4 / 1109-drivers-mtd-spi-nor-Enable-QSPI-Flash-in-Kernel.patch
1 From 70516f60de441829e7813c0b26567c8bda39c011 Mon Sep 17 00:00:00 2001
2 From: Pratiyush Mohan Srivastava <pratiyush.srivastava@nxp.com>
3 Date: Sun, 24 Apr 2016 23:20:26 +0530
4 Subject: [PATCH 109/113] drivers: mtd: spi-nor: Enable QSPI Flash in Kernel
5
6 Enable read from QSPI flash, Write onto QSPI Flash and
7 erase QSPI Flash in Fast mode in Kernel.
8
9 Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@nxp.com>
10 Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
11 ---
12 drivers/mtd/spi-nor/spi-nor.c | 3 +++
13 1 file changed, 3 insertions(+)
14
15 --- a/drivers/mtd/spi-nor/spi-nor.c
16 +++ b/drivers/mtd/spi-nor/spi-nor.c
17 @@ -797,6 +797,7 @@ static const struct flash_info spi_nor_i
18 { "s25sl032p", INFO(0x010215, 0x4d00, 64 * 1024, 64, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
19 { "s25sl064p", INFO(0x010216, 0x4d00, 64 * 1024, 128, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
20 { "s25fs256s1", INFO6(0x010219, 0x4d0181, 64 * 1024, 512, 0)},
21 + { "s25fs512s", INFO6(0x010220, 0x4d0081, 128 * 1024, 512, 0)},
22 { "s25fl256s0", INFO(0x010219, 0x4d00, 256 * 1024, 128, 0) },
23 { "s25fl256s1", INFO(0x010219, 0x4d01, 64 * 1024, 512, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
24 { "s25fl512s", INFO(0x010220, 0x4d00, 256 * 1024, 256, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
25 @@ -963,9 +964,11 @@ static int spansion_s25fs_disable_4kb_er
26 ret = nor->read_reg(nor, SPINOR_OP_SPANSION_RDAR, &cr3v, 1);
27 if (ret)
28 return ret;
29 +/*
30 if (!(cr3v & CR3V_4KB_ERASE_UNABLE))
31 return -EPERM;
32
33 +*/
34 return 0;
35 }
36