fc61e795ee
The kernel has two helper defines that guide about hardware characteristics. MIPS_L1_CACHE_SHIFT defines the cache line sizes (1<<x) of the target. It defaults to 5 - so it is assumed that the device has a cache line size of 32 bytes. This is not true for MIPS 4KEc cores that are driving the RTL838x SOCs. These cores have 16 byte cache line sizes. Adapt the CONFIG properties for this target to match the hardware. ARCH_DMA_MINALIGN definies the alignment for memory allocations. Other than its name suggests on MIPS devices that have non coherent DMA kmalloc() respects this configuration. This ensures that no normal memory is corrupted by DMA blocks that share the same cache line. The default for this is 128 bytes. And kernel states itself "Total overkill for most systems but need as a safe default. Set this one if any device in the system might do non-coherent DMA". Realtek devices use non coherent DMA so they are affected by the setting of ARCH_DMA_MINALIGN. Set this to cache line size for all devices to reduce memory waste. Link: https://github.com/openwrt/openwrt/pull/23492 Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
261 lines
6.6 KiB
Plaintext
261 lines
6.6 KiB
Plaintext
CONFIG_ARCH_32BIT_OFF_T=y
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CONFIG_ARCH_HIBERNATION_POSSIBLE=y
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CONFIG_ARCH_KEEP_MEMBLOCK=y
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CONFIG_ARCH_MMAP_RND_BITS_MAX=15
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CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=15
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CONFIG_ARCH_SUSPEND_POSSIBLE=y
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CONFIG_BLK_DEV_RAM=y
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CONFIG_BLK_DEV_RAM_COUNT=16
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CONFIG_BLK_DEV_RAM_SIZE=4096
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# CONFIG_BMIPS_CPUFREQ is not set
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CONFIG_CLONE_BACKWARDS=y
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CONFIG_COMMON_CLK=y
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CONFIG_COMMON_CLK_REALTEK=y
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CONFIG_COMMON_CLK_RTL83XX=y
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CONFIG_COMPACT_UNEVICTABLE_DEFAULT=1
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CONFIG_COMPAT_32BIT_TIME=y
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CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15
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CONFIG_CPUFREQ_DT=y
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CONFIG_CPUFREQ_DT_PLATDEV=y
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CONFIG_CPU_BIG_ENDIAN=y
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CONFIG_CPU_FREQ=y
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# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
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CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
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CONFIG_CPU_FREQ_GOV_ATTR_SET=y
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CONFIG_CPU_FREQ_GOV_COMMON=y
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# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
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CONFIG_CPU_FREQ_GOV_ONDEMAND=y
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CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
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CONFIG_CPU_FREQ_GOV_POWERSAVE=y
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CONFIG_CPU_FREQ_GOV_USERSPACE=y
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CONFIG_CPU_FREQ_STAT=y
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CONFIG_CPU_GENERIC_DUMP_TLB=y
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CONFIG_CPU_HAS_DIEI=y
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CONFIG_CPU_HAS_PREFETCH=y
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CONFIG_CPU_HAS_RIXI=y
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CONFIG_CPU_HAS_SYNC=y
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CONFIG_CPU_MIPS32=y
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# CONFIG_CPU_MIPS32_R1 is not set
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CONFIG_CPU_MIPS32_R2=y
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CONFIG_CPU_MIPSR2=y
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CONFIG_CPU_MITIGATIONS=y
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CONFIG_CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS=y
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CONFIG_CPU_R4K_CACHE_TLB=y
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CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
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CONFIG_CPU_SUPPORTS_CPUFREQ=y
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CONFIG_CPU_SUPPORTS_HIGHMEM=y
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CONFIG_CPU_SUPPORTS_MSA=y
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CONFIG_CRYPTO_ECB=y
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CONFIG_CRYPTO_LIB_GF128MUL=y
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CONFIG_CRYPTO_LIB_POLY1305_RSIZE=2
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CONFIG_CRYPTO_LIB_UTILS=y
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CONFIG_DEBUG_INFO=y
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CONFIG_DEBUG_SECTION_MISMATCH=y
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CONFIG_DMA_NEED_SYNC=y
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CONFIG_DMA_NONCOHERENT=y
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CONFIG_DTC=y
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CONFIG_EARLY_PRINTK=y
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CONFIG_EARLY_PRINTK_8250=y
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CONFIG_EXCLUSIVE_SYSTEM_RAM=y
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CONFIG_FIXED_PHY=y
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CONFIG_FORCE_NR_CPUS=y
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CONFIG_FS_IOMAP=y
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CONFIG_FUNCTION_ALIGNMENT=0
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CONFIG_FWNODE_MDIO=y
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CONFIG_FW_LOADER_PAGED_BUF=y
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CONFIG_FW_LOADER_SYSFS=y
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CONFIG_GENERIC_ALLOCATOR=y
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CONFIG_GENERIC_ATOMIC64=y
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CONFIG_GENERIC_CLOCKEVENTS=y
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CONFIG_GENERIC_CMOS_UPDATE=y
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CONFIG_GENERIC_CPU_AUTOPROBE=y
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CONFIG_GENERIC_GETTIMEOFDAY=y
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CONFIG_GENERIC_IDLE_POLL_SETUP=y
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CONFIG_GENERIC_IRQ_CHIP=y
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CONFIG_GENERIC_IRQ_SHOW=y
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CONFIG_GENERIC_LIB_ASHLDI3=y
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CONFIG_GENERIC_LIB_ASHRDI3=y
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CONFIG_GENERIC_LIB_CMPDI2=y
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CONFIG_GENERIC_LIB_LSHRDI3=y
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CONFIG_GENERIC_LIB_UCMPDI2=y
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CONFIG_GENERIC_PCI_IOMAP=y
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CONFIG_GENERIC_PHY=y
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CONFIG_GENERIC_PINCONF=y
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CONFIG_GENERIC_PINCTRL_GROUPS=y
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CONFIG_GENERIC_PINMUX_FUNCTIONS=y
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CONFIG_GENERIC_SCHED_CLOCK=y
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CONFIG_GENERIC_SMP_IDLE_THREAD=y
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CONFIG_GENERIC_TIME_VSYSCALL=y
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CONFIG_GPIOLIB_IRQCHIP=y
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CONFIG_GPIO_CDEV=y
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CONFIG_GPIO_GENERIC=y
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CONFIG_GPIO_PCA953X=y
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CONFIG_GPIO_PCA953X_IRQ=y
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CONFIG_GPIO_REALTEK_OTTO=y
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CONFIG_GPIO_REGMAP=y
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CONFIG_GPIO_WATCHDOG=y
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# CONFIG_GPIO_WATCHDOG_ARCH_INITCALL is not set
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CONFIG_GRO_CELLS=y
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CONFIG_HARDWARE_WATCHPOINTS=y
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CONFIG_HAS_DMA=y
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CONFIG_HAS_IOMEM=y
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CONFIG_HAS_IOPORT=y
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CONFIG_HAS_IOPORT_MAP=y
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CONFIG_HWMON=y
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CONFIG_HZ_PERIODIC=y
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CONFIG_I2C=y
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CONFIG_I2C_ALGOBIT=y
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CONFIG_I2C_BOARDINFO=y
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CONFIG_I2C_CHARDEV=y
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CONFIG_I2C_GPIO=y
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CONFIG_I2C_GPIO_SHARED=y
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CONFIG_I2C_MUX=y
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# CONFIG_I2C_RTL9300 is not set
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CONFIG_INITRAMFS_SOURCE=""
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CONFIG_IRQCHIP=y
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CONFIG_IRQ_DOMAIN=y
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CONFIG_IRQ_FORCED_THREADING=y
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CONFIG_IRQ_MIPS_CPU=y
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CONFIG_IRQ_WORK=y
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CONFIG_JFFS2_ZLIB=y
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CONFIG_LEDS_GPIO=y
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# CONFIG_LEDS_RTL8231 is not set
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CONFIG_LIBFDT=y
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CONFIG_LOCK_DEBUGGING_SUPPORT=y
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CONFIG_MACH_REALTEK_RTL=y
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CONFIG_MARVELL_PHY=y
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CONFIG_MDIO_BITBANG=y
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CONFIG_MDIO_BUS=y
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CONFIG_MDIO_GPIO=y
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CONFIG_MDIO_I2C=y
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CONFIG_MDIO_REALTEK_OTTO=y
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CONFIG_MDIO_REALTEK_OTTO_AUX=y
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CONFIG_MDIO_REALTEK_OTTO_SERDES=y
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# CONFIG_MDIO_REALTEK_RTL9300 is not set
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CONFIG_MDIO_SMBUS=y
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CONFIG_MFD_CORE=y
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# CONFIG_MFD_HASIVO_STC8 is not set
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CONFIG_MFD_RTL8231=y
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CONFIG_MFD_SYSCON=y
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CONFIG_MIGRATION=y
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CONFIG_MIPS=y
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CONFIG_MIPS_ASID_BITS=8
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CONFIG_MIPS_ASID_SHIFT=0
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# CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER is not set
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CONFIG_MIPS_CMDLINE_FROM_DTB=y
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CONFIG_MIPS_EXTERNAL_TIMER=y
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CONFIG_MIPS_L1_CACHE_SHIFT=4
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CONFIG_MIPS_L1_CACHE_SHIFT_4=y
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# CONFIG_MIPS_NO_APPENDED_DTB is not set
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CONFIG_MIPS_RAW_APPENDED_DTB=y
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CONFIG_MIPS_SPRAM=y
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CONFIG_MMU_LAZY_TLB_REFCOUNT=y
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CONFIG_MODULES_USE_ELF_REL=y
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CONFIG_MTD_CFI_ADV_OPTIONS=y
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CONFIG_MTD_CFI_GEOMETRY=y
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CONFIG_MTD_CMDLINE_PARTS=y
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CONFIG_MTD_JEDECPROBE=y
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# CONFIG_MTD_NAND_ECC_REALTEK is not set
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CONFIG_MTD_SPI_NOR=y
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CONFIG_MTD_SPLIT_BRNIMAGE_FW=y
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CONFIG_MTD_SPLIT_EVA_FW=y
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CONFIG_MTD_SPLIT_FIRMWARE=y
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CONFIG_MTD_SPLIT_H3C_VFS=y
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CONFIG_MTD_SPLIT_TPLINK_FW=y
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CONFIG_MTD_SPLIT_UIMAGE_FW=y
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CONFIG_MTD_VIRT_CONCAT=y
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CONFIG_NEED_DMA_MAP_STATE=y
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CONFIG_NEED_PER_CPU_KM=y
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CONFIG_NET_DEVLINK=y
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CONFIG_NET_DSA=y
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CONFIG_NET_DSA_RTL83XX=y
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# CONFIG_NET_DSA_RTL83XX_RTL930X_L3_OFFLOAD is not set
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CONFIG_NET_DSA_TAG_RTL_OTTO=y
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CONFIG_NET_EGRESS=y
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CONFIG_NET_INGRESS=y
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CONFIG_NET_RTL838X=y
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CONFIG_NET_SELFTESTS=y
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CONFIG_NET_XGRESS=y
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CONFIG_NO_EXCEPT_FILL=y
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CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
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CONFIG_NVMEM=y
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CONFIG_NVMEM_LAYOUTS=y
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CONFIG_NVMEM_LAYOUT_U_BOOT_ENV=y
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CONFIG_OF=y
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CONFIG_OF_ADDRESS=y
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CONFIG_OF_EARLY_FLATTREE=y
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CONFIG_OF_FLATTREE=y
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CONFIG_OF_GPIO=y
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CONFIG_OF_IRQ=y
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CONFIG_OF_KOBJ=y
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CONFIG_OF_MDIO=y
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CONFIG_PAGE_BLOCK_MAX_ORDER=10
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CONFIG_PAGE_POOL=y
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CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
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CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
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CONFIG_PCI_DRIVERS_LEGACY=y
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CONFIG_PCS_RTL_OTTO=y
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CONFIG_PERF_USE_VMALLOC=y
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CONFIG_PGTABLE_LEVELS=2
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CONFIG_PHYLIB=y
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CONFIG_PHYLIB_LEDS=y
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CONFIG_PHYLINK=y
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CONFIG_PHY_PACKAGE=y
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CONFIG_PINCTRL=y
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CONFIG_PINCTRL_RTL8231=y
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CONFIG_PM_OPP=y
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CONFIG_POWER_RESET=y
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CONFIG_POWER_RESET_GPIO_RESTART=y
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CONFIG_POWER_RESET_SYSCON=y
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CONFIG_PTP_1588_CLOCK_OPTIONAL=y
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CONFIG_RANDSTRUCT_NONE=y
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CONFIG_RATIONAL=y
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CONFIG_REALTEK_OTTO_TIMER=y
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CONFIG_REALTEK_OTTO_WDT=y
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CONFIG_REALTEK_PHY=y
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CONFIG_REALTEK_PHY_HWMON=y
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CONFIG_REALTEK_PHY_MULTIPORT=y
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CONFIG_REALTEK_THERMAL=y
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CONFIG_REGMAP=y
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CONFIG_REGMAP_I2C=y
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CONFIG_REGMAP_MDIO=y
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CONFIG_REGMAP_MMIO=y
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CONFIG_RESET_CONTROLLER=y
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CONFIG_RTL838X=y
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# CONFIG_RTL839X is not set
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# CONFIG_RTL930X is not set
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CONFIG_SERIAL_MCTRL_GPIO=y
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CONFIG_SERIAL_OF_PLATFORM=y
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CONFIG_SFP=y
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CONFIG_SPI=y
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CONFIG_SPI_MASTER=y
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CONFIG_SPI_MEM=y
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# CONFIG_SPI_REALTEK_SNAND is not set
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CONFIG_SRAM=y
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CONFIG_SWPHY=y
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CONFIG_SYSCTL_EXCEPTION_TRACE=y
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CONFIG_SYS_HAS_CPU_MIPS32_R1=y
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CONFIG_SYS_HAS_CPU_MIPS32_R2=y
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CONFIG_SYS_HAS_EARLY_PRINTK=y
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CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
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CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
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CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
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CONFIG_SYS_SUPPORTS_HIGHMEM=y
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CONFIG_SYS_SUPPORTS_MIPS16=y
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CONFIG_TARGET_ISA_REV=2
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CONFIG_THERMAL=y
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CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y
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CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=0
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CONFIG_THERMAL_GOV_STEP_WISE=y
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CONFIG_THERMAL_HWMON=y
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CONFIG_THERMAL_OF=y
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CONFIG_TICK_CPU_ACCOUNTING=y
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CONFIG_TIMER_OF=y
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CONFIG_TIMER_PROBE=y
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CONFIG_TINY_SRCU=y
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CONFIG_USE_GENERIC_EARLY_PRINTK_8250=y
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CONFIG_USE_OF=y
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CONFIG_WATCHDOG_CORE=y
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CONFIG_ZLIB_DEFLATE=y
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CONFIG_ZLIB_INFLATE=y
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