kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 194 deletions

diff --git a/target/linux/bcm63xx/patches-5.4/026-v5.8-mtd-rawnand-brcmnand-support-v2.1-v2.2-controllers.patch b/target/linux/bcm63xx/patches-5.4/026-v5.8-mtd-rawnand-brcmnand-support-v2.1-v2.2-controllers.patch
deleted file mode 100644
index fe86584d0d..0000000000
--- a/target/linux/bcm63xx/patches-5.4/026-v5.8-mtd-rawnand-brcmnand-support-v2.1-v2.2-controllers.patch
+++ /dev/null
@@ -1,194 +0,0 @@
-From 7e7c7df5d50fe06469be106967fc5b5d62be8868 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
-Date: Fri, 22 May 2020 14:15:24 +0200
-Subject: [PATCH] mtd: rawnand: brcmnand: support v2.1-v2.2 controllers
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-v2.1: tested on Netgear DGND3700v1 (BCM6368)
-v2.2: tested on Netgear DGND3700v2 (BCM6362)
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
-Acked-by: Florian Fainelli <f.fainelli@gmail.com>
-Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
-Link: https://lore.kernel.org/linux-mtd/20200522121524.4161539-6-noltari@gmail.com
----
- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 85 +++++++++++++++++++++---
- 1 file changed, 76 insertions(+), 9 deletions(-)
-
---- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
-+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
-@@ -196,6 +196,7 @@ struct brcmnand_controller {
- 	const unsigned int	*block_sizes;
- 	unsigned int		max_page_size;
- 	const unsigned int	*page_sizes;
-+	unsigned int		page_size_shift;
- 	unsigned int		max_oob;
- 	u32			features;
- 
-@@ -269,6 +270,36 @@ enum brcmnand_reg {
- 	BRCMNAND_FC_BASE,
- };
- 
-+/* BRCMNAND v2.1-v2.2 */
-+static const u16 brcmnand_regs_v21[] = {
-+	[BRCMNAND_CMD_START]		=  0x04,
-+	[BRCMNAND_CMD_EXT_ADDRESS]	=  0x08,
-+	[BRCMNAND_CMD_ADDRESS]		=  0x0c,
-+	[BRCMNAND_INTFC_STATUS]		=  0x5c,
-+	[BRCMNAND_CS_SELECT]		=  0x14,
-+	[BRCMNAND_CS_XOR]		=  0x18,
-+	[BRCMNAND_LL_OP]		=     0,
-+	[BRCMNAND_CS0_BASE]		=  0x40,
-+	[BRCMNAND_CS1_BASE]		=     0,
-+	[BRCMNAND_CORR_THRESHOLD]	=     0,
-+	[BRCMNAND_CORR_THRESHOLD_EXT]	=     0,
-+	[BRCMNAND_UNCORR_COUNT]		=     0,
-+	[BRCMNAND_CORR_COUNT]		=     0,
-+	[BRCMNAND_CORR_EXT_ADDR]	=  0x60,
-+	[BRCMNAND_CORR_ADDR]		=  0x64,
-+	[BRCMNAND_UNCORR_EXT_ADDR]	=  0x68,
-+	[BRCMNAND_UNCORR_ADDR]		=  0x6c,
-+	[BRCMNAND_SEMAPHORE]		=  0x50,
-+	[BRCMNAND_ID]			=  0x54,
-+	[BRCMNAND_ID_EXT]		=     0,
-+	[BRCMNAND_LL_RDATA]		=     0,
-+	[BRCMNAND_OOB_READ_BASE]	=  0x20,
-+	[BRCMNAND_OOB_READ_10_BASE]	=     0,
-+	[BRCMNAND_OOB_WRITE_BASE]	=  0x30,
-+	[BRCMNAND_OOB_WRITE_10_BASE]	=     0,
-+	[BRCMNAND_FC_BASE]		= 0x200,
-+};
-+
- /* BRCMNAND v3.3-v4.0 */
- static const u16 brcmnand_regs_v33[] = {
- 	[BRCMNAND_CMD_START]		=  0x04,
-@@ -467,6 +498,9 @@ enum {
- 	CFG_BUS_WIDTH			= BIT(CFG_BUS_WIDTH_SHIFT),
- 	CFG_DEVICE_SIZE_SHIFT		= 24,
- 
-+	/* Only for v2.1 */
-+	CFG_PAGE_SIZE_SHIFT_v2_1	= 30,
-+
- 	/* Only for pre-v7.1 (with no CFG_EXT register) */
- 	CFG_PAGE_SIZE_SHIFT		= 20,
- 	CFG_BLK_SIZE_SHIFT		= 28,
-@@ -502,12 +536,16 @@ static int brcmnand_revision_init(struct
- {
- 	static const unsigned int block_sizes_v6[] = { 8, 16, 128, 256, 512, 1024, 2048, 0 };
- 	static const unsigned int block_sizes_v4[] = { 16, 128, 8, 512, 256, 1024, 2048, 0 };
-+	static const unsigned int block_sizes_v2_2[] = { 16, 128, 8, 512, 256, 0 };
-+	static const unsigned int block_sizes_v2_1[] = { 16, 128, 8, 512, 0 };
- 	static const unsigned int page_sizes_v3_4[] = { 512, 2048, 4096, 8192, 0 };
-+	static const unsigned int page_sizes_v2_2[] = { 512, 2048, 4096, 0 };
-+	static const unsigned int page_sizes_v2_1[] = { 512, 2048, 0 };
- 
- 	ctrl->nand_version = nand_readreg(ctrl, 0) & 0xffff;
- 
--	/* Only support v4.0+? */
--	if (ctrl->nand_version < 0x0400) {
-+	/* Only support v2.1+ */
-+	if (ctrl->nand_version < 0x0201) {
- 		dev_err(ctrl->dev, "version %#x not supported\n",
- 			ctrl->nand_version);
- 		return -ENODEV;
-@@ -524,6 +562,8 @@ static int brcmnand_revision_init(struct
- 		ctrl->reg_offsets = brcmnand_regs_v50;
- 	else if (ctrl->nand_version >= 0x0303)
- 		ctrl->reg_offsets = brcmnand_regs_v33;
-+	else if (ctrl->nand_version >= 0x0201)
-+		ctrl->reg_offsets = brcmnand_regs_v21;
- 
- 	/* Chip-select stride */
- 	if (ctrl->nand_version >= 0x0701)
-@@ -549,14 +589,32 @@ static int brcmnand_revision_init(struct
- 		ctrl->max_page_size = 16 * 1024;
- 		ctrl->max_block_size = 2 * 1024 * 1024;
- 	} else {
--		ctrl->page_sizes = page_sizes_v3_4;
-+		if (ctrl->nand_version >= 0x0304)
-+			ctrl->page_sizes = page_sizes_v3_4;
-+		else if (ctrl->nand_version >= 0x0202)
-+			ctrl->page_sizes = page_sizes_v2_2;
-+		else
-+			ctrl->page_sizes = page_sizes_v2_1;
-+
-+		if (ctrl->nand_version >= 0x0202)
-+			ctrl->page_size_shift = CFG_PAGE_SIZE_SHIFT;
-+		else
-+			ctrl->page_size_shift = CFG_PAGE_SIZE_SHIFT_v2_1;
-+
- 		if (ctrl->nand_version >= 0x0600)
- 			ctrl->block_sizes = block_sizes_v6;
--		else
-+		else if (ctrl->nand_version >= 0x0400)
- 			ctrl->block_sizes = block_sizes_v4;
-+		else if (ctrl->nand_version >= 0x0202)
-+			ctrl->block_sizes = block_sizes_v2_2;
-+		else
-+			ctrl->block_sizes = block_sizes_v2_1;
- 
- 		if (ctrl->nand_version < 0x0400) {
--			ctrl->max_page_size = 4096;
-+			if (ctrl->nand_version < 0x0202)
-+				ctrl->max_page_size = 2048;
-+			else
-+				ctrl->max_page_size = 4096;
- 			ctrl->max_block_size = 512 * 1024;
- 		}
- 	}
-@@ -724,6 +782,9 @@ static void brcmnand_wr_corr_thresh(stru
- 	enum brcmnand_reg reg = BRCMNAND_CORR_THRESHOLD;
- 	int cs = host->cs;
- 
-+	if (!ctrl->reg_offsets[reg])
-+		return;
-+
- 	if (ctrl->nand_version == 0x0702)
- 		bits = 7;
- 	else if (ctrl->nand_version >= 0x0600)
-@@ -782,8 +843,10 @@ static inline u32 brcmnand_spare_area_ma
- 		return GENMASK(7, 0);
- 	else if (ctrl->nand_version >= 0x0600)
- 		return GENMASK(6, 0);
--	else
-+	else if (ctrl->nand_version >= 0x0303)
- 		return GENMASK(5, 0);
-+	else
-+		return GENMASK(4, 0);
- }
- 
- #define NAND_ACC_CONTROL_ECC_SHIFT	16
-@@ -2146,7 +2209,7 @@ static int brcmnand_set_cfg(struct brcmn
- 		(!!(cfg->device_width == 16) << CFG_BUS_WIDTH_SHIFT) |
- 		(device_size << CFG_DEVICE_SIZE_SHIFT);
- 	if (cfg_offs == cfg_ext_offs) {
--		tmp |= (page_size << CFG_PAGE_SIZE_SHIFT) |
-+		tmp |= (page_size << ctrl->page_size_shift) |
- 		       (block_size << CFG_BLK_SIZE_SHIFT);
- 		nand_writereg(ctrl, cfg_offs, tmp);
- 	} else {
-@@ -2158,9 +2221,11 @@ static int brcmnand_set_cfg(struct brcmn
- 
- 	tmp = nand_readreg(ctrl, acc_control_offs);
- 	tmp &= ~brcmnand_ecc_level_mask(ctrl);
--	tmp |= cfg->ecc_level << NAND_ACC_CONTROL_ECC_SHIFT;
- 	tmp &= ~brcmnand_spare_area_mask(ctrl);
--	tmp |= cfg->spare_area_size;
-+	if (ctrl->nand_version >= 0x0302) {
-+		tmp |= cfg->ecc_level << NAND_ACC_CONTROL_ECC_SHIFT;
-+		tmp |= cfg->spare_area_size;
-+	}
- 	nand_writereg(ctrl, acc_control_offs, tmp);
- 
- 	brcmnand_set_sector_size_1k(host, cfg->sector_size_1k);
-@@ -2530,6 +2595,8 @@ const struct dev_pm_ops brcmnand_pm_ops
- EXPORT_SYMBOL_GPL(brcmnand_pm_ops);
- 
- static const struct of_device_id brcmnand_of_match[] = {
-+	{ .compatible = "brcm,brcmnand-v2.1" },
-+	{ .compatible = "brcm,brcmnand-v2.2" },
- 	{ .compatible = "brcm,brcmnand-v4.0" },
- 	{ .compatible = "brcm,brcmnand-v5.0" },
- 	{ .compatible = "brcm,brcmnand-v6.0" },