bcm4908: drop support for kernel 6.6

Drop support for kernel 6.6 as now kernel 6.12 is set as default kernel
version.

Signed-off-by: Goetz Goerisch <ggoerisch@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/20888
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Goetz Goerisch 2025-11-23 10:04:13 +01:00 committed by Christian Marangi
parent 2830d3b434
commit e9b7a9e42c
No known key found for this signature in database
GPG Key ID: AC001D09ADBFEAD7
6 changed files with 0 additions and 437 deletions

View File

@ -1,277 +0,0 @@
CONFIG_64BIT=y
CONFIG_ARCH_BCM=y
CONFIG_ARCH_BCMBCA=y
CONFIG_ARCH_BINFMT_ELF_EXTRA_PHDRS=y
CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETPROBE=y
CONFIG_ARCH_DEFAULT_KEXEC_IMAGE_VERIFY_SIG=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_ARCH_FORCE_MAX_ORDER=10
CONFIG_ARCH_KEEP_MEMBLOCK=y
CONFIG_ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE=y
CONFIG_ARCH_MMAP_RND_BITS=18
CONFIG_ARCH_MMAP_RND_BITS_MAX=24
CONFIG_ARCH_MMAP_RND_BITS_MIN=18
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=11
CONFIG_ARCH_PROC_KCORE_TEXT=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_STACKWALK=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ARCH_WANTS_NO_INSTR=y
CONFIG_ARCH_WANTS_THP_SWAP=y
CONFIG_ARM64=y
CONFIG_ARM64_4K_PAGES=y
CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843419=y
CONFIG_ARM64_PAGE_SHIFT=12
CONFIG_ARM64_PA_BITS=48
CONFIG_ARM64_PA_BITS_48=y
CONFIG_ARM64_PTR_AUTH=y
CONFIG_ARM64_PTR_AUTH_KERNEL=y
CONFIG_ARM64_SVE=y
CONFIG_ARM64_TAGGED_ADDR_ABI=y
CONFIG_ARM64_VA_BITS=39
CONFIG_ARM64_VA_BITS_39=y
CONFIG_ARM_AMBA=y
CONFIG_ARM_ARCH_TIMER=y
CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y
CONFIG_ARM_GIC=y
CONFIG_ARM_GIC_V3=y
CONFIG_ARM_GIC_V3_ITS=y
CONFIG_ARM_PSCI_FW=y
CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y
CONFIG_B53=y
CONFIG_BCM4908_ENET=y
CONFIG_BCM7038_WDT=y
CONFIG_BCM7XXX_PHY=y
CONFIG_BCM_NET_PHYLIB=y
CONFIG_BCM_PMB=y
# CONFIG_BLK_DEV_INITRD is not set
CONFIG_BLK_PM=y
CONFIG_BUILTIN_RETURN_ADDRESS_STRIPS_PAC=y
CONFIG_CC_HAVE_SHADOW_CALL_STACK=y
CONFIG_CC_HAVE_STACKPROTECTOR_SYSREG=y
CONFIG_CLK_BCM_63XX=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CMDLINE="earlycon=bcm63xx_uart,0xff800640 console=ttyS0,115200"
CONFIG_CMDLINE_FROM_BOOTLOADER=y
CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_IPROC=y
CONFIG_COMPACT_UNEVICTABLE_DEFAULT=1
# CONFIG_COMPAT_32BIT_TIME is not set
CONFIG_CONTEXT_TRACKING=y
CONFIG_CONTEXT_TRACKING_IDLE=y
CONFIG_CPU_LITTLE_ENDIAN=y
CONFIG_CPU_RMAP=y
CONFIG_CRC16=y
CONFIG_CRYPTO_AES_ARM64=y
CONFIG_CRYPTO_AES_ARM64_CE=y
CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
CONFIG_CRYPTO_AES_ARM64_CE_CCM=y
CONFIG_CRYPTO_CRYPTD=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_GHASH_ARM64_CE=y
CONFIG_CRYPTO_HASH_INFO=y
CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
CONFIG_CRYPTO_LIB_GF128MUL=y
CONFIG_CRYPTO_LIB_SHA1=y
CONFIG_CRYPTO_LIB_UTILS=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_ZSTD=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_INFO=y
CONFIG_DMA_BOUNCE_UNALIGNED_KMALLOC=y
CONFIG_DMA_DIRECT_REMAP=y
CONFIG_DTC=y
CONFIG_EDAC_SUPPORT=y
CONFIG_EXCLUSIVE_SYSTEM_RAM=y
CONFIG_FIXED_PHY=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_FRAME_POINTER=y
CONFIG_FS_IOMAP=y
CONFIG_FUNCTION_ALIGNMENT=4
CONFIG_FUNCTION_ALIGNMENT_4B=y
CONFIG_FWNODE_MDIO=y
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_FW_LOADER_SYSFS=y
CONFIG_GCC_ASM_GOTO_OUTPUT_WORKAROUND=y
CONFIG_GCC_SUPPORTS_DYNAMIC_FTRACE_WITH_ARGS=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_GENERIC_ARCH_TOPOLOGY=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_GENERIC_CPU_VULNERABILITIES=y
CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_EARLY_IOREMAP=y
CONFIG_GENERIC_GETTIMEOFDAY=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_GENERIC_IOREMAP=y
CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_PHY=y
CONFIG_GENERIC_PINCONF=y
CONFIG_GENERIC_PINCTRL_GROUPS=y
CONFIG_GENERIC_PINMUX_FUNCTIONS=y
CONFIG_GENERIC_SCHED_CLOCK=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GPIO_CDEV=y
CONFIG_GPIO_GENERIC=y
CONFIG_GPIO_GENERIC_PLATFORM=y
CONFIG_GRO_CELLS=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HZ_PERIODIC=y
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_BRCMSTB=y
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
CONFIG_IRQCHIP=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_WORK=y
CONFIG_LEDS_BCM63138=y
CONFIG_LEDS_GPIO=y
CONFIG_LIBFDT=y
CONFIG_LOCK_DEBUGGING_SUPPORT=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_MDIO_BCM_UNIMAC=y
CONFIG_MDIO_BUS=y
CONFIG_MDIO_DEVICE=y
CONFIG_MDIO_DEVRES=y
CONFIG_MFD_SYSCON=y
CONFIG_MIGRATION=y
# CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY is not set
CONFIG_MMU_LAZY_TLB_REFCOUNT=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_MTD_BRCM_U_BOOT=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_NAND_BRCMNAND=y
CONFIG_MTD_NAND_BRCMNAND_BCMBCA=y
CONFIG_MTD_NAND_CORE=y
CONFIG_MTD_NAND_ECC=y
CONFIG_MTD_NAND_ECC_SW_HAMMING=y
CONFIG_MTD_OF_PARTS_BCM4908=y
# CONFIG_MTD_OF_PARTS_LINKSYS_NS is not set
CONFIG_MTD_RAW_NAND=y
CONFIG_MTD_SPLIT_CFE_BOOTFS=y
# CONFIG_MTD_SPLIT_SQUASHFS_ROOT is not set
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_BEB_LIMIT=20
CONFIG_MTD_UBI_BLOCK=y
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_NET_DEVLINK=y
CONFIG_NET_DSA=y
CONFIG_NET_DSA_BCM_SF2=y
CONFIG_NET_DSA_TAG_BRCM=y
CONFIG_NET_DSA_TAG_BRCM_COMMON=y
CONFIG_NET_DSA_TAG_BRCM_LEGACY=y
CONFIG_NET_DSA_TAG_BRCM_PREPEND=y
CONFIG_NET_DSA_TAG_NONE=y
CONFIG_NET_EGRESS=y
CONFIG_NET_FLOW_LIMIT=y
CONFIG_NET_INGRESS=y
CONFIG_NET_SELFTESTS=y
CONFIG_NET_XGRESS=y
CONFIG_NO_IOPORT_MAP=y
CONFIG_NR_CPUS=4
CONFIG_NVMEM=y
CONFIG_NVMEM_LAYOUTS=y
CONFIG_NVMEM_SYSFS=y
CONFIG_NVMEM_U_BOOT_ENV=y
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_FLATTREE=y
CONFIG_OF_GPIO=y
CONFIG_OF_IRQ=y
CONFIG_OF_KOBJ=y
CONFIG_OF_MDIO=y
CONFIG_PADATA=y
CONFIG_PAGE_POOL=y
CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
CONFIG_PARTITION_PERCPU=y
CONFIG_PER_VMA_LOCK=y
CONFIG_PGTABLE_LEVELS=3
CONFIG_PHYLIB=y
CONFIG_PHYLIB_LEDS=y
CONFIG_PHYLINK=y
CONFIG_PHYS_ADDR_T_64BIT=y
# CONFIG_PHY_BRCM_SATA is not set
CONFIG_PHY_BRCM_USB=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_BCM4908=y
# CONFIG_PINCTRL_SINGLE is not set
CONFIG_PM=y
CONFIG_PM_CLK=y
CONFIG_PM_GENERIC_DOMAINS=y
CONFIG_PM_GENERIC_DOMAINS_OF=y
CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
CONFIG_POWER_SUPPLY=y
CONFIG_PREEMPT_NONE_BUILD=y
CONFIG_PTP_1588_CLOCK_OPTIONAL=y
CONFIG_QUEUED_RWLOCKS=y
CONFIG_QUEUED_SPINLOCKS=y
CONFIG_RANDSTRUCT_NONE=y
CONFIG_RATIONAL=y
CONFIG_REGMAP=y
CONFIG_REGMAP_MMIO=y
CONFIG_RELOCATABLE=y
CONFIG_RFS_ACCEL=y
CONFIG_RODATA_FULL_DEFAULT_ENABLED=y
CONFIG_RPS=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
# CONFIG_SERIAL_8250 is not set
CONFIG_SERIAL_BCM63XX=y
CONFIG_SERIAL_BCM63XX_CONSOLE=y
CONFIG_SGL_ALLOC=y
CONFIG_SMP=y
CONFIG_SOCK_RX_QUEUE_MAPPING=y
CONFIG_SOFTIRQ_ON_OWN_STACK=y
CONFIG_SPARSEMEM=y
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSE_IRQ=y
CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU=y
CONFIG_SWIOTLB=y
CONFIG_SWPHY=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_THREAD_INFO_IN_TASK=y
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TIMER_OF=y
CONFIG_TIMER_PROBE=y
CONFIG_TRACE_IRQFLAGS_NMI_SUPPORT=y
CONFIG_TREE_RCU=y
CONFIG_TREE_SRCU=y
CONFIG_UBIFS_FS=y
CONFIG_UNMAP_KERNEL_AT_EL0=y
CONFIG_USB_SUPPORT=y
CONFIG_VMAP_STACK=y
CONFIG_WATCHDOG_CORE=y
CONFIG_XPS=y
CONFIG_XXHASH=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZONE_DMA32=y
CONFIG_ZSTD_COMMON=y
CONFIG_ZSTD_COMPRESS=y
CONFIG_ZSTD_DECOMPRESS=y

View File

@ -1,31 +0,0 @@
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Thu, 28 Mar 2024 10:24:34 +0100
Subject: [PATCH] arm64: dts: broadcom: bcmbca: bcm4908: set
brcm,wp-not-connected
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Every described BCM4908 board has WP pin not connected. This caused
problems for drivers since day 0 but there was no property to describe
that properly. Projects like OpenWrt were modifying Linux driver to deal
with it.
It's not clear if that is hardware limitation or just reference design
being copied over and over but this applies to all known / supported
BCM4908 boards. Handle it by marking WP as not connected by default.
Fixes: 2961f69f151c ("arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
--- a/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
@@ -594,6 +594,7 @@
reg-names = "nand", "nand-int-base";
interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "nand_ctlrdy";
+ brcm,wp-not-connected;
status = "okay";
nandcs: nand@0 {

View File

@ -1,23 +0,0 @@
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 15 Feb 2021 22:01:03 +0100
Subject: [PATCH] arm64: dts: broadcom: bcmbca: bcm4908: limit amount of GPIOs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Linux driver can't handle more than 64 GPIOs
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
--- a/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
@@ -341,7 +341,7 @@
gpio0: gpio-controller@500 {
compatible = "brcm,bcm6345-gpio";
reg-names = "dirout", "dat";
- reg = <0x500 0x28>, <0x528 0x28>;
+ reg = <0x500 0x8>, <0x528 0x8>;
#gpio-cells = <2>;
gpio-controller;

View File

@ -1,30 +0,0 @@
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Thu, 12 Aug 2021 11:52:42 +0200
Subject: [PATCH] arm64: don't issue HVC on boot
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Broadcom's CFE loader seems to miss setting SCR_EL3.HCE which results in
generating an UNDEF and kernel panic on the first HVC.
HVC gets issued by kernels 5.12+ while booting, by kexec and KVM. Until
someone finds a workaround we have to avoid all above.
Workarounds: 0c93df9622d4 ("arm64: Initialise as nVHE before switching to VHE")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
arch/arm64/kernel/hyp-stub.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/kernel/hyp-stub.S
+++ b/arch/arm64/kernel/hyp-stub.S
@@ -252,7 +252,7 @@ SYM_FUNC_START(finalise_el2)
b.ne 1f
mov x0, #HVC_FINALISE_EL2
- hvc #0
+// hvc #0
1:
ret
SYM_FUNC_END(finalise_el2)

View File

@ -1,46 +0,0 @@
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 15 Feb 2021 23:59:26 +0100
Subject: [PATCH] net: dsa: bcm_sf2: enable GPHY for switch probing
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
GPHY needs to be enabled to succesfully probe & setup switch port
connected to it. Otherwise hardcoding PHY OUI would be required.
Before:
brcm-sf2 80080000.switch lan4 (uninitialized): PHY [800c05c0.mdio--1:08] driver [Generic PHY] (irq=POLL)
brcm-sf2 80080000.switch lan3 (uninitialized): PHY [800c05c0.mdio--1:09] driver [Generic PHY] (irq=POLL)
brcm-sf2 80080000.switch lan2 (uninitialized): PHY [800c05c0.mdio--1:0a] driver [Generic PHY] (irq=POLL)
brcm-sf2 80080000.switch lan1 (uninitialized): PHY [800c05c0.mdio--1:0b] driver [Generic PHY] (irq=POLL)
brcm-sf2 80080000.switch wan (uninitialized): error -5 setting up PHY for tree 0, switch 0, port 7
After:
brcm-sf2 80080000.switch lan4 (uninitialized): PHY [800c05c0.mdio--1:08] driver [Generic PHY] (irq=POLL)
brcm-sf2 80080000.switch lan3 (uninitialized): PHY [800c05c0.mdio--1:09] driver [Generic PHY] (irq=POLL)
brcm-sf2 80080000.switch lan2 (uninitialized): PHY [800c05c0.mdio--1:0a] driver [Generic PHY] (irq=POLL)
brcm-sf2 80080000.switch lan1 (uninitialized): PHY [800c05c0.mdio--1:0b] driver [Generic PHY] (irq=POLL)
brcm-sf2 80080000.switch wan (uninitialized): PHY [800c05c0.mdio--1:0c] driver [Generic PHY] (irq=POLL)
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
drivers/net/dsa/bcm_sf2.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -1524,10 +1524,14 @@ static int bcm_sf2_sw_probe(struct platf
rev = reg_readl(priv, REG_PHY_REVISION);
priv->hw_params.gphy_rev = rev & PHY_REVISION_MASK;
+ bcm_sf2_gphy_enable_set(priv->dev->ds, true);
+
ret = b53_switch_register(dev);
if (ret)
goto out_mdio;
+ bcm_sf2_gphy_enable_set(priv->dev->ds, false);
+
dev_info(&pdev->dev,
"Starfighter 2 top: %x.%02x, core: %x.%02x, IRQs: %d, %d\n",
priv->hw_params.top_rev >> 8, priv->hw_params.top_rev & 0xff,

View File

@ -1,30 +0,0 @@
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Tue, 16 Feb 2021 00:06:35 +0100
Subject: [PATCH] net: dsa: bcm_sf2: keep GPHY enabled on the BCM4908
Trying to access disabled PHY results in MDIO_READ_FAIL and:
[ 11.962886] brcm-sf2 80080000.switch wan: configuring for phy/internal link mode
[ 11.972500] 8021q: adding VLAN 0 to HW filter on device wan
[ 11.980205] ------------[ cut here ]------------
[ 11.984885] WARNING: CPU: 0 PID: 7 at phy_error+0x10/0x58
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
drivers/net/dsa/bcm_sf2.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -1538,6 +1538,12 @@ static int bcm_sf2_sw_probe(struct platf
priv->hw_params.core_rev >> 8, priv->hw_params.core_rev & 0xff,
priv->irq0, priv->irq1);
+ /* BCM4908 has 5 GPHYs which means bcm_sf2_port_setup() will not enable
+ * GPHY when needed. Leave it enabled here.
+ */
+ if (priv->type == BCM4908_DEVICE_ID)
+ bcm_sf2_gphy_enable_set(priv->dev->ds, true);
+
return 0;
out_mdio: