brcm63xx: remove linux 4.4 support

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 0 insertions, 157 deletions

diff --git a/target/linux/brcm63xx/patches-4.4/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch b/target/linux/brcm63xx/patches-4.4/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
deleted file mode 100644
index 608ad8e39a..0000000000
--- a/target/linux/brcm63xx/patches-4.4/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
+++ /dev/null
@@ -1,157 +0,0 @@
-From d135d94b3d1fe599d13e7198d5f502912d694c13 Mon Sep 17 00:00:00 2001
-From: Jonas Gorski <jonas.gorski@gmail.com>
-Date: Sun, 3 Jul 2011 15:00:38 +0200
-Subject: [PATCH 29/60] MIPS: BCM63XX: Register SPI flash if present
-
-Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
----
- arch/mips/bcm63xx/dev-flash.c                     |   35 +++++++++++++++++++-
- arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h |    2 +
- 2 files changed, 33 insertions(+), 2 deletions(-)
-
---- a/arch/mips/bcm63xx/dev-flash.c
-+++ b/arch/mips/bcm63xx/dev-flash.c
-@@ -17,6 +17,9 @@
- #include <linux/mtd/partitions.h>
- #include <linux/mtd/physmap.h>
- #include <linux/mtd/spi-nor.h>
-+#include <linux/of.h>
-+#include <linux/spi/spi.h>
-+#include <linux/spi/flash.h>
- 
- #include <bcm63xx_cpu.h>
- #include <bcm63xx_dev_flash.h>
-@@ -66,6 +69,41 @@ void __init bcm63xx_flash_force_phys_bas
- 	mtd_resources[0].end = end;
- }
- 
-+static struct spi_board_info bcm63xx_spi_flash_info[] = {
-+	{
-+		.bus_num	= 0,
-+		.chip_select	= 0,
-+		.mode		= 0,
-+		.max_speed_hz	= 781000,
-+		.modalias	= "m25p80",
-+	},
-+};
-+
-+static void bcm63xx_of_update_spi_flash_speed(struct device_node *np,
-+					       unsigned int new_hz)
-+{
-+	struct property *max_hz;
-+	__be32 *hz;
-+
-+	max_hz = kzalloc(sizeof(*max_hz) + sizeof(*hz), GFP_KERNEL);
-+	if (!max_hz)
-+		return;
-+
-+	max_hz->name = kstrdup("spi-max-frequency", GFP_KERNEL);
-+	if (!max_hz->name) {
-+		kfree(max_hz);
-+		return;
-+	}
-+
-+	max_hz->value = max_hz + 1;
-+	max_hz->length = sizeof(*hz);
-+
-+	hz = max_hz->value;
-+	*hz = cpu_to_be32(new_hz);
-+
-+	of_update_property(np, max_hz);
-+}
-+
- static int __init bcm63xx_detect_flash_type(void)
- {
- 	u32 val;
-@@ -73,9 +111,15 @@ static int __init bcm63xx_detect_flash_t
- 	switch (bcm63xx_get_cpu_id()) {
- 	case BCM6318_CPU_ID:
- 		/* only support serial flash */
-+		bcm63xx_spi_flash_info[0].max_speed_hz = 62500000;
- 		return BCM63XX_FLASH_TYPE_SERIAL;
- 	case BCM6328_CPU_ID:
- 		val = bcm_misc_readl(MISC_STRAPBUS_6328_REG);
-+		if (val & STRAPBUS_6328_HSSPI_CLK_FAST)
-+			bcm63xx_spi_flash_info[0].max_speed_hz = 33333334;
-+		else
-+			bcm63xx_spi_flash_info[0].max_speed_hz = 16666667;
-+
- 		if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
- 			return BCM63XX_FLASH_TYPE_SERIAL;
- 		else
-@@ -94,12 +138,20 @@ static int __init bcm63xx_detect_flash_t
- 			return BCM63XX_FLASH_TYPE_SERIAL;
- 	case BCM6362_CPU_ID:
- 		val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
-+		if (val & STRAPBUS_6362_HSSPI_CLK_FAST)
-+			bcm63xx_spi_flash_info[0].max_speed_hz = 50000000;
-+		else
-+			bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
-+
- 		if (val & STRAPBUS_6362_BOOT_SEL_SERIAL)
- 			return BCM63XX_FLASH_TYPE_SERIAL;
- 		else
- 			return BCM63XX_FLASH_TYPE_NAND;
- 	case BCM6368_CPU_ID:
- 		val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
-+		if (val & STRAPBUS_6368_SPI_CLK_FAST)
-+			bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
-+
- 		switch (val & STRAPBUS_6368_BOOT_SEL_MASK) {
- 		case STRAPBUS_6368_BOOT_SEL_NAND:
- 			return BCM63XX_FLASH_TYPE_NAND;
-@@ -110,6 +162,11 @@ static int __init bcm63xx_detect_flash_t
- 		}
- 	case BCM63268_CPU_ID:
- 		val = bcm_misc_readl(MISC_STRAPBUS_63268_REG);
-+		if (val & STRAPBUS_63268_HSSPI_CLK_FAST)
-+			bcm63xx_spi_flash_info[0].max_speed_hz = 50000000;
-+		else
-+			bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
-+
- 		if (val & STRAPBUS_63268_BOOT_SEL_SERIAL)
- 			return BCM63XX_FLASH_TYPE_SERIAL;
- 		else
-@@ -176,6 +233,7 @@ void __init bcm63xx_flash_detect(void)
- 
- int __init bcm63xx_flash_register(void)
- {
-+	struct device_node *np;
- 	u32 val;
- 
- 	switch (flash_type) {
-@@ -195,8 +253,14 @@ int __init bcm63xx_flash_register(void)
- 
- 		return platform_device_register(&mtd_dev);
- 	case BCM63XX_FLASH_TYPE_SERIAL:
--		pr_warn("unsupported serial flash detected\n");
--		return -ENODEV;
-+		np = of_find_compatible_node(NULL, NULL, "jedec,spi-nor");
-+		if (np) {
-+			bcm63xx_of_update_spi_flash_speed(np, bcm63xx_spi_flash_info[0].max_speed_hz);
-+			of_node_put(np);
-+			return 0;
-+		} else {
-+			return -ENODEV;
-+		}
- 	case BCM63XX_FLASH_TYPE_NAND:
- 		pr_warn("unsupported NAND flash detected\n");
- 		return -ENODEV;
---- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
-+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
-@@ -708,6 +708,7 @@
- #define GPIO_STRAPBUS_REG		0x40
- #define STRAPBUS_6358_BOOT_SEL_PARALLEL (1 << 1)
- #define STRAPBUS_6358_BOOT_SEL_SERIAL	(0 << 1)
-+#define STRAPBUS_6368_SPI_CLK_FAST	(1 << 6)
- #define STRAPBUS_6368_BOOT_SEL_MASK	0x3
- #define STRAPBUS_6368_BOOT_SEL_NAND	0
- #define STRAPBUS_6368_BOOT_SEL_SERIAL	1
-@@ -1564,6 +1565,7 @@
- #define IDDQ_CTRL_63268_USBH		(1 << 4)
- 
- #define MISC_STRAPBUS_6328_REG		0x240
-+#define STRAPBUS_6328_HSSPI_CLK_FAST	(1 << 4)
- #define STRAPBUS_6328_FCVO_SHIFT	7
- #define STRAPBUS_6328_FCVO_MASK		(0x1f << STRAPBUS_6328_FCVO_SHIFT)
- #define STRAPBUS_6328_BOOT_SEL_SERIAL	(1 << 28)