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d6b785d477
This adds Kernel 5.10 support for the generic, nand and tiny subtargets. The following patch is not contained, as it needs to be reworked: platform/920-mikrotik-rb4xx.patch Tested-on: - Siemens WS-AP3610 - Enterasys WS-AP3710 - Aerohive HiveAP 121 - TP-Link TL-WA901 v2 - TP-Link TL-WR741 v1 Signed-off-by: David Bauer <mail@david-bauer.net>
86 lines
3.8 KiB
Diff
86 lines
3.8 KiB
Diff
From 59f88b8d4447be809d0b5e7a283290d06848d3bc Mon Sep 17 00:00:00 2001
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From: David Bauer <mail@david-bauer.net>
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Date: Sun, 25 Oct 2020 01:14:22 +0200
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Subject: [PATCH 2/2] mtd: spi-nor: use 4 bit BP for large Macronix flash
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Macronix SPI-NOR chips with 128 or more 64k blocks have 4 block
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protection bits in their status register. Add the corresponding
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flag in order to clear these bits when unloking the flash.
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Otherwise, the flash might not be writable depending on the state the
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bootloader left the flash in.
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Fixes commit 62593cf40b23 ("mtd: spi-nor: refactor block protection functions")
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Signed-off-by: David Bauer <mail@david-bauer.net>
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---
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drivers/mtd/spi-nor/macronix.c | 31 ++++++++++++++++++-------------
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1 file changed, 18 insertions(+), 13 deletions(-)
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--- a/drivers/mtd/spi-nor/macronix.c
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+++ b/drivers/mtd/spi-nor/macronix.c
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@@ -50,8 +50,8 @@ static const struct flash_info macronix_
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{ "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8, SECT_4K) },
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{ "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16, SECT_4K) },
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{ "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) },
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- { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, SECT_4K) },
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- { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
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+ { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_4BIT_BP) },
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+ { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, SPI_NOR_4BIT_BP) },
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{ "mx25r1635f", INFO(0xc22815, 0, 64 * 1024, 32,
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SECT_4K | SPI_NOR_DUAL_READ |
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SPI_NOR_QUAD_READ) },
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@@ -60,36 +60,41 @@ static const struct flash_info macronix_
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SPI_NOR_QUAD_READ) },
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{ "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256,
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SECT_4K | SPI_NOR_DUAL_READ |
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- SPI_NOR_QUAD_READ) },
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+ SPI_NOR_QUAD_READ | SPI_NOR_4BIT_BP) },
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{ "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512,
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- SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
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+ SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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+ SPI_NOR_4BIT_BP)
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.fixups = &mx25l25635_fixups },
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{ "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512,
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- SECT_4K | SPI_NOR_4B_OPCODES) },
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+ SECT_4K | SPI_NOR_4B_OPCODES |
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+ SPI_NOR_4BIT_BP) },
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{ "mx25u51245g", INFO(0xc2253a, 0, 64 * 1024, 1024,
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SECT_4K | SPI_NOR_DUAL_READ |
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- SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
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+ SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES |
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+ SPI_NOR_4BIT_BP) },
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{ "mx25v8035f", INFO(0xc22314, 0, 64 * 1024, 16,
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SECT_4K | SPI_NOR_DUAL_READ |
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SPI_NOR_QUAD_READ) },
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- { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
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+ { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, SPI_NOR_4BIT_BP) },
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{ "mx25l51245g", INFO(0xc2201a, 0, 64 * 1024, 1024,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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- SPI_NOR_4B_OPCODES) },
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+ SPI_NOR_4B_OPCODES | SPI_NOR_4BIT_BP) },
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{ "mx66l51235l", INFO(0xc2201a, 0, 64 * 1024, 1024,
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SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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- SPI_NOR_4B_OPCODES) },
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+ SPI_NOR_4B_OPCODES | SPI_NOR_4BIT_BP) },
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{ "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024,
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SECT_4K | SPI_NOR_DUAL_READ |
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- SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
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+ SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES |
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+ SPI_NOR_4BIT_BP) },
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{ "mx66l1g45g", INFO(0xc2201b, 0, 64 * 1024, 2048,
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SECT_4K | SPI_NOR_DUAL_READ |
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- SPI_NOR_QUAD_READ) },
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+ SPI_NOR_QUAD_READ | SPI_NOR_4BIT_BP) },
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{ "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048,
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- SPI_NOR_QUAD_READ) },
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+ SPI_NOR_QUAD_READ | SPI_NOR_4BIT_BP) },
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{ "mx66u2g45g", INFO(0xc2253c, 0, 64 * 1024, 4096,
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SECT_4K | SPI_NOR_DUAL_READ |
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- SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
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+ SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES |
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+ SPI_NOR_4BIT_BP) },
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};
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static void macronix_default_init(struct spi_nor *nor)
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