diff options
13 files changed, 1640 insertions, 2 deletions
diff --git a/target/linux/apm821xx/config-4.19 b/target/linux/apm821xx/config-4.19 new file mode 100644 index 0000000000..3f57ec6b83 --- /dev/null +++ b/target/linux/apm821xx/config-4.19 @@ -0,0 +1,337 @@ +# CONFIG_40x is not set +CONFIG_44x=y +CONFIG_460EX=y +CONFIG_4xx=y +CONFIG_4xx_SOC=y +# CONFIG_ADVANCED_OPTIONS is not set +CONFIG_APM821xx=y +CONFIG_APOLLO3G=y +# CONFIG_ARCHES is not set +CONFIG_ARCH_DMA_ADDR_T_64BIT=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_ARCH_HAS_DMA_SET_COHERENT_MASK=y +CONFIG_ARCH_HAS_ELF_RANDOMIZE=y +CONFIG_ARCH_HAS_FORTIFY_SOURCE=y +CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y +CONFIG_ARCH_HAS_MEMBARRIER_CALLBACKS=y +CONFIG_ARCH_HAS_PHYS_TO_DMA=y +CONFIG_ARCH_HAS_PTE_SPECIAL=y +CONFIG_ARCH_HAS_SG_CHAIN=y +CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y +CONFIG_ARCH_HAS_WALK_MEMORY=y +CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y +CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y +CONFIG_ARCH_MMAP_RND_BITS=11 +CONFIG_ARCH_MMAP_RND_BITS_MAX=17 +CONFIG_ARCH_MMAP_RND_BITS_MIN=11 +CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=17 +CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=11 +CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y +CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y +CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y +CONFIG_ARCH_SUPPORTS_UPROBES=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_ARCH_USE_BUILTIN_BSWAP=y +CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y +CONFIG_ARCH_WEAK_RELEASE_ACQUIRE=y +CONFIG_AUDIT_ARCH=y +# CONFIG_BAMBOO is not set +CONFIG_BCH=y +# CONFIG_BLK_DEV_INITRD is not set +CONFIG_BLK_MQ_PCI=y +CONFIG_BLUESTONE=y +CONFIG_BOOKE=y +CONFIG_BOOKE_WDT=y +# CONFIG_BOUNCE is not set +CONFIG_BUILD_SALT="" +# CONFIG_CANYONLANDS is not set +CONFIG_CC_HAS_SANCOV_TRACE_PC=y +CONFIG_CC_HAS_STACKPROTECTOR_NONE=y +CONFIG_CC_IS_GCC=y +CONFIG_CLANG_VERSION=0 +CONFIG_CLONE_BACKWARDS=y +CONFIG_CMDLINE="rootfstype=squashfs noinitrd" +CONFIG_CMDLINE_BOOL=y +CONFIG_CONSISTENT_SIZE=0x00200000 +CONFIG_CONSOLE_LOGLEVEL_QUIET=4 +CONFIG_CPU_BIG_ENDIAN=y +CONFIG_CRC16=y +CONFIG_CRYPTO_ACOMP2=y +CONFIG_CRYPTO_AEAD=y +CONFIG_CRYPTO_AEAD2=y +CONFIG_CRYPTO_AKCIPHER2=y +CONFIG_CRYPTO_CCM=y +CONFIG_CRYPTO_CFB=y +CONFIG_CRYPTO_CTR=y +CONFIG_CRYPTO_DEFLATE=y +CONFIG_CRYPTO_DEV_PPC4XX=y +CONFIG_CRYPTO_DRBG=y +CONFIG_CRYPTO_DRBG_HMAC=y +CONFIG_CRYPTO_DRBG_MENU=y +CONFIG_CRYPTO_ECB=y +CONFIG_CRYPTO_GCM=y +CONFIG_CRYPTO_GF128MUL=y +CONFIG_CRYPTO_GHASH=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_HMAC=y +CONFIG_CRYPTO_HW=y +CONFIG_CRYPTO_JITTERENTROPY=y +CONFIG_CRYPTO_KPP2=y +CONFIG_CRYPTO_LZO=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y +CONFIG_CRYPTO_MD5_PPC=y +CONFIG_CRYPTO_NULL=y +CONFIG_CRYPTO_NULL2=y +CONFIG_CRYPTO_RNG=y +CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_RNG_DEFAULT=y +CONFIG_CRYPTO_SEQIV=y +CONFIG_CRYPTO_SHA1_PPC=y +CONFIG_CRYPTO_SHA256=y +CONFIG_CRYPTO_WORKQUEUE=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_DTC=y +# CONFIG_E200 is not set +CONFIG_EARLY_PRINTK=y +# CONFIG_EBONY is not set +CONFIG_EDAC_ATOMIC_SCRUB=y +CONFIG_EDAC_SUPPORT=y +# CONFIG_EIGER is not set +CONFIG_EXTRA_TARGETS="uImage" +CONFIG_FIXED_PHY=y +CONFIG_FREEZER=y +# CONFIG_FSL_LBC is not set +CONFIG_GCC_VERSION=70300 +CONFIG_GENERIC_ATOMIC64=y +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_CPU=y +CONFIG_GENERIC_CPU_AUTOPROBE=y +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GENERIC_IRQ_SHOW_LEVEL=y +CONFIG_GENERIC_ISA_DMA=y +CONFIG_GENERIC_MSI_IRQ=y +CONFIG_GENERIC_NVRAM=y +CONFIG_GENERIC_PCI_IOMAP=y +CONFIG_GENERIC_SMP_IDLE_THREAD=y +CONFIG_GENERIC_STRNCPY_FROM_USER=y +CONFIG_GENERIC_STRNLEN_USER=y +CONFIG_GENERIC_TIME_VSYSCALL=y +# CONFIG_GEN_RTC is not set +# CONFIG_GLACIER is not set +CONFIG_GPIOLIB=y +CONFIG_GPIOLIB_FASTPATH_LIMIT=512 +CONFIG_GPIO_GENERIC=y +CONFIG_GPIO_GENERIC_PLATFORM=y +CONFIG_GPIO_SYSFS=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT_MAP=y +CONFIG_HAVE_ARCH_AUDITSYSCALL=y +CONFIG_HAVE_ARCH_JUMP_LABEL=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_ARCH_SECCOMP_FILTER=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +CONFIG_HAVE_CBPF_JIT=y +CONFIG_HAVE_DEBUG_KMEMLEAK=y +CONFIG_HAVE_DEBUG_STACKOVERFLOW=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_GENERIC_GUP=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y +CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y +CONFIG_HAVE_KPROBES_ON_FTRACE=y +CONFIG_HAVE_LD_DEAD_CODE_DATA_ELIMINATION=y +CONFIG_HAVE_MEMBLOCK=y +CONFIG_HAVE_MEMBLOCK_NODE_MAP=y +CONFIG_HAVE_MOD_ARCH_SPECIFIC=y +CONFIG_HAVE_NET_DSA=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_HAVE_PERF_REGS=y +CONFIG_HAVE_PERF_USER_STACK_DUMP=y +CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y +CONFIG_HAVE_RSEQ=y +CONFIG_HAVE_SYSCALL_TRACEPOINTS=y +CONFIG_HAVE_VIRT_CPU_ACCOUNTING=y +CONFIG_HW_RANDOM=y +CONFIG_HW_RANDOM_PPC4XX=y +CONFIG_HZ=1000 +# CONFIG_HZ_100 is not set +CONFIG_HZ_1000=y +CONFIG_HZ_PERIODIC=y +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_IBM_IIC=y +CONFIG_IBM_EMAC=y +CONFIG_IBM_EMAC_EMAC4=y +CONFIG_IBM_EMAC_POLL_WEIGHT=32 +CONFIG_IBM_EMAC_RGMII=y +CONFIG_IBM_EMAC_RXB=128 +CONFIG_IBM_EMAC_RX_COPY_THRESHOLD=256 +CONFIG_IBM_EMAC_RX_SKB_HEADROOM=0 +CONFIG_IBM_EMAC_TAH=y +CONFIG_IBM_EMAC_TXB=128 +# CONFIG_ICE is not set +# CONFIG_ICON is not set +CONFIG_ILLEGAL_POINTER_VALUE=0 +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IRQCHIP=y +CONFIG_IRQ_DOMAIN=y +CONFIG_IRQ_FORCED_THREADING=y +CONFIG_IRQ_WORK=y +CONFIG_ISA_DMA_API=y +# CONFIG_JFFS2_FS is not set +# CONFIG_KATMAI is not set +CONFIG_KERNEL_GZIP=y +CONFIG_KERNEL_START=0xc0000000 +CONFIG_LEDS_TRIGGER_MTD=y +CONFIG_LIBFDT=y +CONFIG_LOCK_DEBUGGING_SUPPORT=y +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_LZO_COMPRESS=y +CONFIG_LZO_DECOMPRESS=y +# CONFIG_MATH_EMULATION is not set +CONFIG_MDIO_BUS=y +CONFIG_MDIO_DEVICE=y +CONFIG_MEMFD_CREATE=y +CONFIG_MODULES_USE_ELF_RELA=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +# CONFIG_MTD_CFI_GEOMETRY is not set +CONFIG_MTD_NAND=y +CONFIG_MTD_NAND_BCH=y +CONFIG_MTD_NAND_ECC=y +CONFIG_MTD_NAND_ECC_BCH=y +CONFIG_MTD_NAND_ECC_SMC=y +CONFIG_MTD_NAND_NDFC=y +# CONFIG_MTD_SPLIT_SQUASHFS_ROOT is not set +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_NEED_PER_CPU_KM=y +CONFIG_NEED_SG_DMA_LENGTH=y +# CONFIG_NF_LOG_BRIDGE is not set +CONFIG_NOT_COHERENT_CACHE=y +CONFIG_NO_BOOTMEM=y +CONFIG_NR_IRQS=512 +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_OF_NET=y +CONFIG_OF_RESERVED_MEM=y +CONFIG_OLD_SIGACTION=y +CONFIG_OLD_SIGSUSPEND=y +# CONFIG_OVERLAY_FS_METACOPY is not set +CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW=y +# CONFIG_OVERLAY_FS_XINO_AUTO is not set +CONFIG_PAGE_OFFSET=0xc0000000 +CONFIG_PCI=y +CONFIG_PCIEAER=y +CONFIG_PCIEPORTBUS=y +CONFIG_PCIE_PME=y +CONFIG_PCI_DISABLE_COMMON_QUIRKS=y +CONFIG_PCI_DOMAINS=y +CONFIG_PCI_MSI=y +CONFIG_PGTABLE_LEVELS=2 +CONFIG_PHYLIB=y +CONFIG_PHYSICAL_START=0x00000000 +CONFIG_PHYS_64BIT=y +CONFIG_PHYS_ADDR_T_64BIT=y +CONFIG_PM=y +CONFIG_PM_AUTOSLEEP=y +# CONFIG_PM_DEBUG is not set +CONFIG_PM_SLEEP=y +CONFIG_PM_WAKELOCKS=y +CONFIG_PM_WAKELOCKS_GC=y +CONFIG_PM_WAKELOCKS_LIMIT=100 +CONFIG_PPC=y +CONFIG_PPC32=y +CONFIG_PPC44x_SIMPLE=y +CONFIG_PPC4xx_CPM=y +CONFIG_PPC4xx_GPIO=y +CONFIG_PPC4xx_MSI=y +CONFIG_PPC4xx_OCM=y +CONFIG_PPC4xx_PCI_EXPRESS=y +# CONFIG_PPC64 is not set +# CONFIG_PPC_47x is not set +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_8xx is not set +CONFIG_PPC_ADV_DEBUG_DACS=2 +CONFIG_PPC_ADV_DEBUG_DAC_RANGE=y +CONFIG_PPC_ADV_DEBUG_DVCS=2 +CONFIG_PPC_ADV_DEBUG_IACS=4 +CONFIG_PPC_ADV_DEBUG_REGS=y +# CONFIG_PPC_BOOK3S_32 is not set +CONFIG_PPC_DCR=y +CONFIG_PPC_DCR_NATIVE=y +# CONFIG_PPC_EARLY_DEBUG is not set +CONFIG_PPC_FPU=y +CONFIG_PPC_INDIRECT_PCI=y +# CONFIG_PPC_IRQ_SOFT_MASK_DEBUG is not set +CONFIG_PPC_LIB_RHEAP=y +CONFIG_PPC_MMU_NOHASH=y +CONFIG_PPC_MSI_BITMAP=y +CONFIG_PPC_PCI_CHOICE=y +# CONFIG_PPC_PTDUMP is not set +CONFIG_PPC_UDBG_16550=y +CONFIG_PPC_WERROR=y +CONFIG_PTE_64BIT=y +# CONFIG_RAINIER is not set +# CONFIG_RANDOM_TRUST_CPU is not set +CONFIG_RAS=y +CONFIG_RD_GZIP=y +# CONFIG_RENESAS_PHY is not set +# CONFIG_RPMSG_VIRTIO is not set +CONFIG_RSEQ=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +# CONFIG_SAM440EP is not set +# CONFIG_SEQUOIA is not set +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_FSL=y +CONFIG_SERIAL_8250_SHARE_IRQ=y +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_SGL_ALLOC=y +CONFIG_SIMPLE_GPIO=y +CONFIG_SPARSE_IRQ=y +CONFIG_SRCU=y +CONFIG_SUSPEND=y +CONFIG_SUSPEND_FREEZER=y +CONFIG_SWPHY=y +CONFIG_SYSCTL_EXCEPTION_TRACE=y +# CONFIG_TAISHAN is not set +CONFIG_TASK_SIZE=0xc0000000 +CONFIG_THREAD_SHIFT=13 +CONFIG_TICK_CPU_ACCOUNTING=y +CONFIG_TINY_SRCU=y +CONFIG_USB_SUPPORT=y +CONFIG_VDSO32=y +# CONFIG_VIRTIO_MENU is not set +# CONFIG_VIRT_CPU_ACCOUNTING_NATIVE is not set +# CONFIG_WARP is not set +CONFIG_WATCHDOG_CORE=y +# CONFIG_WNDR4700 is not set +# CONFIG_XILINX_SYSACE is not set +# CONFIG_XILINX_VCU is not set +# CONFIG_XILINX_VIRTEX440_GENERIC_BOARD is not set +# CONFIG_XIL_AXIS_FIFO is not set +CONFIG_XZ_DEC_BCJ=y +CONFIG_XZ_DEC_POWERPC=y +# CONFIG_YOSEMITE is not set +CONFIG_ZLIB_DEFLATE=y +CONFIG_ZLIB_INFLATE=y diff --git a/target/linux/apm821xx/dts/apm82181.dtsi b/target/linux/apm821xx/dts/apm82181.dtsi index bd6786b40e..45d4eac171 100644 --- a/target/linux/apm821xx/dts/apm82181.dtsi +++ b/target/linux/apm821xx/dts/apm82181.dtsi @@ -21,6 +21,7 @@ * */ +#include <dt-bindings/dma/dw-dmac.h> #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/gpio/gpio.h> @@ -384,7 +385,20 @@ interrupt-parent = <&UIC0>; interrupts = <0x19 IRQ_TYPE_LEVEL_HIGH>; #dma-cells = <3>; - /* use autoconfiguration for the dma setup */ + + dma-channels = <2>; + dma-masters = <3>; + block_size = <4095>; + data-width = <4>, <4>, <4>; + multi-block = <1>, <1>; + + chan_allocation_order = <1>; + chan_priority = <1>; + + snps,dma-protection-control = + <(DW_DMAC_HPROT1_PRIVILEGED_MODE | + DW_DMAC_HPROT2_BUFFERABLE)>; + is_memcpy; }; SATA0: sata@bffd1000 { diff --git a/target/linux/apm821xx/patches-4.19/010-dmaengine-dw-dmac-implement-dma-prot.patch b/target/linux/apm821xx/patches-4.19/010-dmaengine-dw-dmac-implement-dma-prot.patch new file mode 100644 index 0000000000..3c4edff3eb --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/010-dmaengine-dw-dmac-implement-dma-prot.patch @@ -0,0 +1,155 @@ +From 7b0c03ecc42fb223baf015877fee9d517c2c8af1 Mon Sep 17 00:00:00 2001 +From: Christian Lamparter <chunkeey@gmail.com> +Date: Sat, 17 Nov 2018 17:17:21 +0100 +Subject: dmaengine: dw-dmac: implement dma protection control setting + +This patch adds a new device-tree property that allows to +specify the dma protection control bits for the all of the +DMA controller's channel uniformly. + +Setting the "correct" bits can have a huge impact on the +PPC460EX and APM82181 that use this DMA engine in combination +with a DesignWare' SATA-II core (sata_dwc_460ex driver). + +In the OpenWrt Forum, the user takimata reported that: +|It seems your patch unleashed the full power of the SATA port. +|Where I was previously hitting a really hard limit at around +|82 MB/s for reading and 27 MB/s for writing, I am now getting this: +| +|root@OpenWrt:/mnt# time dd if=/dev/zero of=tempfile bs=1M count=1024 +|1024+0 records in +|1024+0 records out +|real 0m 13.65s +|user 0m 0.01s +|sys 0m 11.89s +| +|root@OpenWrt:/mnt# time dd if=tempfile of=/dev/null bs=1M count=1024 +|1024+0 records in +|1024+0 records out +|real 0m 8.41s +|user 0m 0.01s +|sys 0m 4.70s +| +|This means: 121 MB/s reading and 75 MB/s writing! +| +|The drive is a WD Green WD10EARX taken from an older MBL Single. +|I repeated the test a few times with even larger files to rule out +|any caching, I'm still seeing the same great performance. OpenWrt is +|now completely on par with the original MBL firmware's performance. + +Another user And.short reported: +|I can report that your fix worked! Boots up fine with two +|drives even with more partitions, and no more reboot on +|concurrent disk access! + +A closer look into the sata_dwc_460ex code revealed that +the driver did initally set the correct protection control +bits. However, this feature was lost when the sata_dwc_460ex +driver was converted to the generic DMA driver framework. + +BugLink: https://forum.openwrt.org/t/wd-mybook-live-duo-two-disks/16195/55 +BugLink: https://forum.openwrt.org/t/wd-mybook-live-duo-two-disks/16195/50 +Fixes: 8b3444852a2b ("sata_dwc_460ex: move to generic DMA driver") +Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> +Signed-off-by: Christian Lamparter <chunkeey@gmail.com> +Signed-off-by: Vinod Koul <vkoul@kernel.org> +--- + +diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c +index d0c3e50b39fb..2c5ca1961256 100644 +--- a/drivers/dma/dw/core.c ++++ b/drivers/dma/dw/core.c +@@ -160,12 +160,14 @@ static void dwc_initialize_chan_idma32(struct dw_dma_chan *dwc) + + static void dwc_initialize_chan_dw(struct dw_dma_chan *dwc) + { ++ struct dw_dma *dw = to_dw_dma(dwc->chan.device); + u32 cfghi = DWC_CFGH_FIFO_MODE; + u32 cfglo = DWC_CFGL_CH_PRIOR(dwc->priority); + bool hs_polarity = dwc->dws.hs_polarity; + + cfghi |= DWC_CFGH_DST_PER(dwc->dws.dst_id); + cfghi |= DWC_CFGH_SRC_PER(dwc->dws.src_id); ++ cfghi |= DWC_CFGH_PROTCTL(dw->pdata->protctl); + + /* Set polarity of handshake interface */ + cfglo |= hs_polarity ? DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL : 0; +diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c +index f01b2c173fa6..31ff8113c3de 100644 +--- a/drivers/dma/dw/platform.c ++++ b/drivers/dma/dw/platform.c +@@ -162,6 +162,12 @@ dw_dma_parse_dt(struct platform_device *pdev) + pdata->multi_block[tmp] = 1; + } + ++ if (!of_property_read_u32(np, "snps,dma-protection-control", &tmp)) { ++ if (tmp > CHAN_PROTCTL_MASK) ++ return NULL; ++ pdata->protctl = tmp; ++ } ++ + return pdata; + } + #else +diff --git a/drivers/dma/dw/regs.h b/drivers/dma/dw/regs.h +index 09e7dfdbb790..646c9c960c07 100644 +--- a/drivers/dma/dw/regs.h ++++ b/drivers/dma/dw/regs.h +@@ -200,6 +200,10 @@ enum dw_dma_msize { + #define DWC_CFGH_FCMODE (1 << 0) + #define DWC_CFGH_FIFO_MODE (1 << 1) + #define DWC_CFGH_PROTCTL(x) ((x) << 2) ++#define DWC_CFGH_PROTCTL_DATA (0 << 2) /* data access - always set */ ++#define DWC_CFGH_PROTCTL_PRIV (1 << 2) /* privileged -> AHB HPROT[1] */ ++#define DWC_CFGH_PROTCTL_BUFFER (2 << 2) /* bufferable -> AHB HPROT[2] */ ++#define DWC_CFGH_PROTCTL_CACHE (4 << 2) /* cacheable -> AHB HPROT[3] */ + #define DWC_CFGH_DS_UPD_EN (1 << 5) + #define DWC_CFGH_SS_UPD_EN (1 << 6) + #define DWC_CFGH_SRC_PER(x) ((x) << 7) +diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h +index 896cb71a382c..1a1d58ebffbf 100644 +--- a/include/linux/platform_data/dma-dw.h ++++ b/include/linux/platform_data/dma-dw.h +@@ -49,6 +49,7 @@ struct dw_dma_slave { + * @data_width: Maximum data width supported by hardware per AHB master + * (in bytes, power of 2) + * @multi_block: Multi block transfers supported by hardware per channel. ++ * @protctl: Protection control signals setting per channel. + */ + struct dw_dma_platform_data { + unsigned int nr_channels; +@@ -65,6 +66,11 @@ struct dw_dma_platform_data { + unsigned char nr_masters; + unsigned char data_width[DW_DMA_MAX_NR_MASTERS]; + unsigned char multi_block[DW_DMA_MAX_NR_CHANNELS]; ++#define CHAN_PROTCTL_PRIVILEGED BIT(0) ++#define CHAN_PROTCTL_BUFFERABLE BIT(1) ++#define CHAN_PROTCTL_CACHEABLE BIT(2) ++#define CHAN_PROTCTL_MASK GENMASK(2, 0) ++ unsigned char protctl; + }; + + #endif /* _PLATFORM_DATA_DMA_DW_H */ +diff --git a/include/dt-bindings/dma/dw-dmac.h b/include/dt-bindings/dma/dw-dmac.h +new file mode 100644 +index 000000000000..d1ca705c95b3 +--- /dev/null ++++ b/include/dt-bindings/dma/dw-dmac.h +@@ -0,0 +1,14 @@ ++/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ ++ ++#ifndef __DT_BINDINGS_DMA_DW_DMAC_H__ ++#define __DT_BINDINGS_DMA_DW_DMAC_H__ ++ ++/* ++ * Protection Control bits provide protection against illegal transactions. ++ * The protection bits[0:2] are one-to-one mapped to AHB HPROT[3:1] signals. ++ */ ++#define DW_DMAC_HPROT1_PRIVILEGED_MODE (1 << 0) /* Privileged Mode */ ++#define DW_DMAC_HPROT2_BUFFERABLE (1 << 1) /* DMA is bufferable */ ++#define DW_DMAC_HPROT3_CACHEABLE (1 << 2) /* DMA is cacheable */ ++ ++#endif /* __DT_BINDINGS_DMA_DW_DMAC_H__ */ +-- +cgit 1.2-0.3.lf.el7 + diff --git a/target/linux/apm821xx/patches-4.19/140-GPIO-add-named-gpio-exports.patch b/target/linux/apm821xx/patches-4.19/140-GPIO-add-named-gpio-exports.patch new file mode 100644 index 0000000000..5a05c6095e --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/140-GPIO-add-named-gpio-exports.patch @@ -0,0 +1,169 @@ +From cc809a441d8f2924f785eb863dfa6aef47a25b0b Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Tue, 12 Aug 2014 20:49:27 +0200 +Subject: [PATCH 30/36] GPIO: add named gpio exports + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/gpio/gpiolib-of.c | 68 +++++++++++++++++++++++++++++++++++++++++ + drivers/gpio/gpiolib.c | 11 +++++-- + include/asm-generic/gpio.h | 5 +++ + include/linux/gpio/consumer.h | 8 +++++ + 4 files changed, 90 insertions(+), 2 deletions(-) + +--- a/drivers/gpio/gpiolib-of.c ++++ b/drivers/gpio/gpiolib-of.c +@@ -23,6 +23,8 @@ + #include <linux/pinctrl/pinctrl.h> + #include <linux/slab.h> + #include <linux/gpio/machine.h> ++#include <linux/init.h> ++#include <linux/platform_device.h> + + #include "gpiolib.h" + +@@ -654,3 +656,72 @@ void of_gpiochip_remove(struct gpio_chip + gpiochip_remove_pin_ranges(chip); + of_node_put(chip->of_node); + } ++ ++#ifdef CONFIG_GPIO_SYSFS ++ ++static struct of_device_id gpio_export_ids[] = { ++ { .compatible = "gpio-export" }, ++ { /* sentinel */ } ++}; ++ ++static int of_gpio_export_probe(struct platform_device *pdev) ++{ ++ struct device_node *np = pdev->dev.of_node; ++ struct device_node *cnp; ++ u32 val; ++ int nb = 0; ++ ++ for_each_child_of_node(np, cnp) { ++ const char *name = NULL; ++ int gpio; ++ bool dmc; ++ int max_gpio = 1; ++ int i; ++ ++ of_property_read_string(cnp, "gpio-export,name", &name); ++ ++ if (!name) ++ max_gpio = of_gpio_count(cnp); ++ ++ for (i = 0; i < max_gpio; i++) { ++ unsigned flags = 0; ++ enum of_gpio_flags of_flags; ++ ++ gpio = of_get_gpio_flags(cnp, i, &of_flags); ++ if (!gpio_is_valid(gpio)) ++ return gpio; ++ ++ if (of_flags == OF_GPIO_ACTIVE_LOW) ++ flags |= GPIOF_ACTIVE_LOW; ++ ++ if (!of_property_read_u32(cnp, "gpio-export,output", &val)) ++ flags |= val ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW; ++ else ++ flags |= GPIOF_IN; ++ ++ if (devm_gpio_request_one(&pdev->dev, gpio, flags, name ? name : of_node_full_name(np))) ++ continue; ++ ++ dmc = of_property_read_bool(cnp, "gpio-export,direction_may_change"); ++ gpio_export_with_name(gpio, dmc, name); ++ nb++; ++ } ++ } ++ ++ dev_info(&pdev->dev, "%d gpio(s) exported\n", nb); ++ ++ return 0; ++} ++ ++static struct platform_driver gpio_export_driver = { ++ .driver = { ++ .name = "gpio-export", ++ .owner = THIS_MODULE, ++ .of_match_table = of_match_ptr(gpio_export_ids), ++ }, ++ .probe = of_gpio_export_probe, ++}; ++ ++module_platform_driver(gpio_export_driver); ++ ++#endif +--- a/include/asm-generic/gpio.h ++++ b/include/asm-generic/gpio.h +@@ -127,6 +127,12 @@ static inline int gpio_export(unsigned g + return gpiod_export(gpio_to_desc(gpio), direction_may_change); + } + ++int __gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name); ++static inline int gpio_export_with_name(unsigned gpio, bool direction_may_change, const char *name) ++{ ++ return __gpiod_export(gpio_to_desc(gpio), direction_may_change, name); ++} ++ + static inline int gpio_export_link(struct device *dev, const char *name, + unsigned gpio) + { +--- a/include/linux/gpio/consumer.h ++++ b/include/linux/gpio/consumer.h +@@ -531,6 +531,7 @@ struct gpio_desc *devm_fwnode_get_gpiod_ + + #if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS) + ++int _gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name); + int gpiod_export(struct gpio_desc *desc, bool direction_may_change); + int gpiod_export_link(struct device *dev, const char *name, + struct gpio_desc *desc); +@@ -538,6 +539,13 @@ void gpiod_unexport(struct gpio_desc *de + + #else /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */ + ++static inline int _gpiod_export(struct gpio_desc *desc, ++ bool direction_may_change, ++ const char *name) ++{ ++ return -ENOSYS; ++} ++ + static inline int gpiod_export(struct gpio_desc *desc, + bool direction_may_change) + { +--- a/drivers/gpio/gpiolib-sysfs.c ++++ b/drivers/gpio/gpiolib-sysfs.c +@@ -568,7 +568,7 @@ static struct class gpio_class = { + * + * Returns zero on success, else an error. + */ +-int gpiod_export(struct gpio_desc *desc, bool direction_may_change) ++int __gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name) + { + struct gpio_chip *chip; + struct gpio_device *gdev; +@@ -630,6 +630,8 @@ int gpiod_export(struct gpio_desc *desc, + offset = gpio_chip_hwgpio(desc); + if (chip->names && chip->names[offset]) + ioname = chip->names[offset]; ++ if (name) ++ ioname = name; + + dev = device_create_with_groups(&gpio_class, &gdev->dev, + MKDEV(0, 0), data, gpio_groups, +@@ -651,6 +653,12 @@ err_unlock: + gpiod_dbg(desc, "%s: status %d\n", __func__, status); + return status; + } ++EXPORT_SYMBOL_GPL(__gpiod_export); ++ ++int gpiod_export(struct gpio_desc *desc, bool direction_may_change) ++{ ++ return __gpiod_export(desc, direction_may_change, NULL); ++} + EXPORT_SYMBOL_GPL(gpiod_export); + + static int match_export(struct device *dev, const void *desc) diff --git a/target/linux/apm821xx/patches-4.19/201-add-amcc-apollo3g-support.patch b/target/linux/apm821xx/patches-4.19/201-add-amcc-apollo3g-support.patch new file mode 100644 index 0000000000..18982392d4 --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/201-add-amcc-apollo3g-support.patch @@ -0,0 +1,30 @@ +--- a/arch/powerpc/platforms/44x/Kconfig ++++ b/arch/powerpc/platforms/44x/Kconfig +@@ -144,6 +144,17 @@ config CANYONLANDS + help + This option enables support for the AMCC PPC460EX evaluation board. + ++config APOLLO3G ++ bool "Apollo3G" ++ depends on 44x ++ default n ++ select PPC44x_SIMPLE ++ select APM821xx ++ select IBM_EMAC_RGMII ++ select 460EX ++ help ++ This option enables support for the AMCC Apollo 3G board. ++ + config GLACIER + bool "Glacier" + depends on 44x +--- a/arch/powerpc/platforms/44x/ppc44x_simple.c ++++ b/arch/powerpc/platforms/44x/ppc44x_simple.c +@@ -50,6 +50,7 @@ machine_device_initcall(ppc44x_simple, p + * board.c file for it rather than adding it to this list. + */ + static char *board[] __initdata = { ++ "amcc,apollo3g", + "amcc,arches", + "amcc,bamboo", + "apm,bluestone", diff --git a/target/linux/apm821xx/patches-4.19/202-add-netgear-wndr4700-support.patch b/target/linux/apm821xx/patches-4.19/202-add-netgear-wndr4700-support.patch new file mode 100644 index 0000000000..77294a8cbd --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/202-add-netgear-wndr4700-support.patch @@ -0,0 +1,32 @@ +--- a/arch/powerpc/platforms/44x/Makefile ++++ b/arch/powerpc/platforms/44x/Makefile +@@ -4,6 +4,7 @@ ifneq ($(CONFIG_PPC4xx_CPM),y) + obj-y += idle.o + endif + obj-$(CONFIG_PPC44x_SIMPLE) += ppc44x_simple.o ++obj-$(CONFIG_WNDR4700) += wndr4700.o + obj-$(CONFIG_EBONY) += ebony.o + obj-$(CONFIG_SAM440EP) += sam440ep.o + obj-$(CONFIG_WARP) += warp.o +--- a/arch/powerpc/platforms/44x/Kconfig ++++ b/arch/powerpc/platforms/44x/Kconfig +@@ -273,6 +273,19 @@ config ICON + help + This option enables support for the AMCC PPC440SPe evaluation board. + ++config WNDR4700 ++ bool "WNDR4700" ++ depends on 44x ++ default n ++ select APM821xx ++ select PCI_MSI ++ select PPC4xx_MSI ++ select PPC4xx_PCI_EXPRESS ++ select IBM_EMAC_RGMII ++ select 460EX ++ help ++ This option enables support for the Netgear WNDR4700/WNDR4720 board. ++ + config XILINX_VIRTEX440_GENERIC_BOARD + bool "Generic Xilinx Virtex 5 FXT board support" + depends on 44x diff --git a/target/linux/apm821xx/patches-4.19/300-fix-atheros-nics-on-apm82181.patch b/target/linux/apm821xx/patches-4.19/300-fix-atheros-nics-on-apm82181.patch new file mode 100644 index 0000000000..110726d258 --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/300-fix-atheros-nics-on-apm82181.patch @@ -0,0 +1,51 @@ +--- a/arch/powerpc/platforms/4xx/pci.c ++++ b/arch/powerpc/platforms/4xx/pci.c +@@ -1060,15 +1060,24 @@ static int __init apm821xx_pciex_init_po + u32 val; + + /* +- * Do a software reset on PCIe ports. +- * This code is to fix the issue that pci drivers doesn't re-assign +- * bus number for PCIE devices after Uboot +- * scanned and configured all the buses (eg. PCIE NIC IntelPro/1000 +- * PT quad port, SAS LSI 1064E) ++ * Only reset the PHY when no link is currently established. ++ * This is for the Atheros PCIe board which has problems to establish ++ * the link (again) after this PHY reset. All other currently tested ++ * PCIe boards don't show this problem. + */ +- +- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x0); +- mdelay(10); ++ val = mfdcri(SDR0, port->sdr_base + PESDRn_LOOP); ++ if (!(val & 0x00001000)) { ++ /* ++ * Do a software reset on PCIe ports. ++ * This code is to fix the issue that pci drivers doesn't re-assign ++ * bus number for PCIE devices after Uboot ++ * scanned and configured all the buses (eg. PCIE NIC IntelPro/1000 ++ * PT quad port, SAS LSI 1064E) ++ */ ++ ++ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x0); ++ mdelay(10); ++ } + + if (port->endpoint) + val = PTYPE_LEGACY_ENDPOINT << 20; +@@ -1085,9 +1094,12 @@ static int __init apm821xx_pciex_init_po + mtdcri(SDR0, PESDR0_460EX_L0DRV, 0x00000130); + mtdcri(SDR0, PESDR0_460EX_L0CLK, 0x00000006); + +- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x10000000); +- mdelay(50); +- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x30000000); ++ val = mfdcri(SDR0, port->sdr_base + PESDRn_LOOP); ++ if (!(val & 0x00001000)) { ++ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x10000000); ++ mdelay(50); ++ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x30000000); ++ } + + mtdcri(SDR0, port->sdr_base + PESDRn_RCSSET, + mfdcri(SDR0, port->sdr_base + PESDRn_RCSSET) | diff --git a/target/linux/apm821xx/patches-4.19/301-fix-memory-map-wndr4700.patch b/target/linux/apm821xx/patches-4.19/301-fix-memory-map-wndr4700.patch new file mode 100644 index 0000000000..6eb04b2c25 --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/301-fix-memory-map-wndr4700.patch @@ -0,0 +1,14 @@ +--- a/arch/powerpc/platforms/4xx/pci.c ++++ b/arch/powerpc/platforms/4xx/pci.c +@@ -1905,9 +1905,9 @@ static void __init ppc4xx_configure_pcie + * if it works + */ + out_le32(mbase + PECFG_PIM0LAL, 0x00000000); +- out_le32(mbase + PECFG_PIM0LAH, 0x00000000); ++ out_le32(mbase + PECFG_PIM0LAH, 0x00000008); + out_le32(mbase + PECFG_PIM1LAL, 0x00000000); +- out_le32(mbase + PECFG_PIM1LAH, 0x00000000); ++ out_le32(mbase + PECFG_PIM1LAH, 0x0000000c); + out_le32(mbase + PECFG_PIM01SAH, 0xffff0000); + out_le32(mbase + PECFG_PIM01SAL, 0x00000000); + diff --git a/target/linux/apm821xx/patches-4.19/801-usb-xhci-add-firmware-loader-for-uPD720201-and-uPD72.patch b/target/linux/apm821xx/patches-4.19/801-usb-xhci-add-firmware-loader-for-uPD720201-and-uPD72.patch new file mode 100644 index 0000000000..b892674c66 --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/801-usb-xhci-add-firmware-loader-for-uPD720201-and-uPD72.patch @@ -0,0 +1,545 @@ +From 419992bae5aaa4e06402e0b7c79fcf7bcb6b4764 Mon Sep 17 00:00:00 2001 +From: Christian Lamparter <chunkeey@googlemail.com> +Date: Thu, 2 Jun 2016 00:48:46 +0200 +Subject: [PATCH] usb: xhci: add firmware loader for uPD720201 and uPD720202 + w/o ROM + +This patch adds a firmware loader for the uPD720201K8-711-BAC-A +and uPD720202K8-711-BAA-A variant. Both of these chips are listed +in Renesas' R19UH0078EJ0500 Rev.5.00 "User's Manual: Hardware" as +devices which need the firmware loader on page 2 in order to +work as they "do not support the External ROM". + +The "Firmware Download Sequence" is describe in chapter +"7.1 FW Download Interface" R19UH0078EJ0500 Rev.5.00 page 131. + +The firmware "K2013080.mem" is available from a USB3.0 Host to +PCIe Adapter (PP2U-E card) "Firmware download" archive. An +alternative version can be sourced from Netgear's WNDR4700 GPL +archives. + +The release notes of the PP2U-E's "Firmware Download" ver 2.0.1.3 +(2012-06-15) state that the firmware is for the following devices: + - uPD720201 ES 2.0 sample whose revision ID is 2. + - uPD720201 ES 2.1 sample & CS sample & Mass product, ID is 3. + - uPD720202 ES 2.0 sample & CS sample & Mass product, ID is 2. + +If someone from Renesas is listening: It would be great, if these +firmwares could be added to linux-firmware.git. + +Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> +Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> +--- + drivers/usb/host/xhci-pci.c | 492 ++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 492 insertions(+) + +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -12,6 +12,8 @@ + #include <linux/slab.h> + #include <linux/module.h> + #include <linux/acpi.h> ++#include <linux/firmware.h> ++#include <asm/unaligned.h> + + #include "xhci.h" + #include "xhci-trace.h" +@@ -248,6 +250,458 @@ static void xhci_pme_acpi_rtd3_enable(st + static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { } + #endif /* CONFIG_ACPI */ + ++static const struct renesas_fw_entry { ++ const char *firmware_name; ++ u16 device; ++ u8 revision; ++ u16 expected_version; ++} renesas_fw_table[] = { ++ /* ++ * Only the uPD720201K8-711-BAC-A or uPD720202K8-711-BAA-A ++ * are listed in R19UH0078EJ0500 Rev.5.00 as devices which ++ * need the software loader. ++ * ++ * PP2U/ReleaseNote_USB3-201-202-FW.txt: ++ * ++ * Note: This firmware is for the following devices. ++ * - uPD720201 ES 2.0 sample whose revision ID is 2. ++ * - uPD720201 ES 2.1 sample & CS sample & Mass product, ID is 3. ++ * - uPD720202 ES 2.0 sample & CS sample & Mass product, ID is 2. ++ */ ++ { "K2013080.mem", 0x0014, 0x02, 0x2013 }, ++ { "K2013080.mem", 0x0014, 0x03, 0x2013 }, ++ { "K2013080.mem", 0x0015, 0x02, 0x2013 }, ++}; ++ ++static const struct renesas_fw_entry *renesas_needs_fw_dl(struct pci_dev *dev) ++{ ++ const struct renesas_fw_entry *entry; ++ size_t i; ++ ++ /* This loader will only work with a RENESAS device. */ ++ if (!(dev->vendor == PCI_VENDOR_ID_RENESAS)) ++ return NULL; ++ ++ for (i = 0; i < ARRAY_SIZE(renesas_fw_table); i++) { ++ entry = &renesas_fw_table[i]; ++ if (entry->device == dev->device && ++ entry->revision == dev->revision) ++ return entry; ++ } ++ ++ return NULL; ++} ++ ++static int renesas_fw_download_image(struct pci_dev *dev, ++ const u32 *fw, ++ size_t step) ++{ ++ size_t i; ++ int err; ++ u8 fw_status; ++ bool data0_or_data1; ++ ++ /* ++ * The hardware does alternate between two 32-bit pages. ++ * (This is because each row of the firmware is 8 bytes). ++ * ++ * for even steps we use DATA0, for odd steps DATA1. ++ */ ++ data0_or_data1 = (step & 1) == 1; ++ ++ /* step+1. Read "Set DATAX" and confirm it is cleared. */ ++ for (i = 0; i < 10000; i++) { ++ err = pci_read_config_byte(dev, 0xF5, &fw_status); ++ if (err) ++ return pcibios_err_to_errno(err); ++ if (!(fw_status & BIT(data0_or_data1))) ++ break; ++ ++ udelay(1); ++ } ++ if (i == 10000) ++ return -ETIMEDOUT; ++ ++ /* ++ * step+2. Write FW data to "DATAX". ++ * "LSB is left" => force little endian ++ */ ++ err = pci_write_config_dword(dev, data0_or_data1 ? 0xFC : 0xF8, ++ (__force u32) cpu_to_le32(fw[step])); ++ if (err) ++ return pcibios_err_to_errno(err); ++ ++ udelay(100); ++ ++ /* step+3. Set "Set DATAX". */ ++ err = pci_write_config_byte(dev, 0xF5, BIT(data0_or_data1)); ++ if (err) ++ return pcibios_err_to_errno(err); ++ ++ return 0; ++} ++ ++static int renesas_fw_verify(struct pci_dev *dev, ++ const void *fw_data, ++ size_t length) ++{ ++ const struct renesas_fw_entry *entry = renesas_needs_fw_dl(dev); ++ u16 fw_version_pointer; ++ u16 fw_version; ++ ++ if (!entry) ++ return -EINVAL; ++ ++ /* ++ * The Firmware's Data Format is describe in ++ * "6.3 Data Format" R19UH0078EJ0500 Rev.5.00 page 124 ++ */ ++ ++ /* "Each row is 8 bytes". => firmware size must be a multiple of 8. */ ++ if (length % 8 != 0) { ++ dev_err(&dev->dev, "firmware size is not a multipe of 8."); ++ return -EINVAL; ++ } ++ ++ /* ++ * The bootrom chips of the big brother have sizes up to 64k, let's ++ * assume that's the biggest the firmware can get. ++ */ ++ if (length < 0x1000 || length >= 0x10000) { ++ dev_err(&dev->dev, "firmware is size %zd is not (4k - 64k).", ++ length); ++ return -EINVAL; ++ } ++ ++ /* The First 2 bytes are fixed value (55aa). "LSB on Left" */ ++ if (get_unaligned_le16(fw_data) != 0x55aa) { ++ dev_err(&dev->dev, "no valid firmware header found."); ++ return -EINVAL; ++ } ++ ++ /* verify the firmware version position and print it. */ ++ fw_version_pointer = get_unaligned_le16(fw_data + 4); ++ if (fw_version_pointer + 2 >= length) { ++ dev_err(&dev->dev, "firmware version pointer is outside of the firmware image."); ++ return -EINVAL; ++ } ++ ++ fw_version = get_unaligned_le16(fw_data + fw_version_pointer); ++ dev_dbg(&dev->dev, "got firmware version: %02x.", fw_version); ++ ++ if (fw_version != entry->expected_version) { ++ dev_err(&dev->dev, "firmware version mismatch, expected version: %02x.", ++ entry->expected_version); ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ ++static int renesas_fw_check_running(struct pci_dev *pdev) ++{ ++ int err; ++ u8 fw_state; ++ ++ /* ++ * Test if the device is actually needing the firmware. As most ++ * BIOSes will initialize the device for us. If the device is ++ * initialized. ++ */ ++ err = pci_read_config_byte(pdev, 0xF4, &fw_state); ++ if (err) ++ return pcibios_err_to_errno(err); ++ ++ /* ++ * Check if "FW Download Lock" is locked. If it is and the FW is ++ * ready we can simply continue. If the FW is not ready, we have ++ * to give up. ++ */ ++ if (fw_state & BIT(1)) { ++ dev_dbg(&pdev->dev, "FW Download Lock is engaged."); ++ ++ if (fw_state & BIT(4)) ++ return 0; ++ ++ dev_err(&pdev->dev, "FW Download Lock is set and FW is not ready. Giving Up."); ++ return -EIO; ++ } ++ ++ /* ++ * Check if "FW Download Enable" is set. If someone (us?) tampered ++ * with it and it can't be resetted, we have to give up too... and ++ * ask for a forgiveness and a reboot. ++ */ ++ if (fw_state & BIT(0)) { ++ dev_err(&pdev->dev, "FW Download Enable is stale. Giving Up (poweroff/reboot needed)."); ++ return -EIO; ++ } ++ ++ /* Otherwise, Check the "Result Code" Bits (6:4) and act accordingly */ ++ switch ((fw_state & 0x70)) { ++ case 0: /* No result yet */ ++ dev_dbg(&pdev->dev, "FW is not ready/loaded yet."); ++ ++ /* tell the caller, that this device needs the firmware. */ ++ return 1; ++ ++ case BIT(4): /* Success, device should be working. */ ++ dev_dbg(&pdev->dev, "FW is ready."); ++ return 0; ++ ++ case BIT(5): /* Error State */ ++ dev_err(&pdev->dev, "hardware is in an error state. Giving up (poweroff/reboot needed)."); ++ return -ENODEV; ++ ++ default: /* All other states are marked as "Reserved states" */ ++ dev_err(&pdev->dev, "hardware is in an invalid state %x. Giving up (poweroff/reboot needed).", ++ (fw_state & 0x70) >> 4); ++ return -EINVAL; ++ } ++} ++ ++static int renesas_hw_check_run_stop_busy(struct pci_dev *pdev) ++{ ++#if 0 ++ u32 val; ++ ++ /* ++ * 7.1.3 Note 3: "... must not set 'FW Download Enable' when ++ * 'RUN/STOP' of USBCMD Register is set" ++ */ ++ val = readl(hcd->regs + 0x20); ++ if (val & BIT(0)) { ++ dev_err(&pdev->dev, "hardware is busy and can't receive a FW."); ++ return -EBUSY; ++ } ++#endif ++ return 0; ++} ++ ++static int renesas_fw_download(struct pci_dev *pdev, ++ const struct firmware *fw, unsigned int retry_counter) ++{ ++ const u32 *fw_data = (const u32 *) fw->data; ++ size_t i; ++ int err; ++ u8 fw_status; ++ ++ /* ++ * For more information and the big picture: please look at the ++ * "Firmware Download Sequence" in "7.1 FW Download Interface" ++ * of R19UH0078EJ0500 Rev.5.00 page 131 ++ */ ++ err = renesas_hw_check_run_stop_busy(pdev); ++ if (err) ++ return err; ++ ++ /* ++ * 0. Set "FW Download Enable" bit in the ++ * "FW Download Control & Status Register" at 0xF4 ++ */ ++ err = pci_write_config_byte(pdev, 0xF4, BIT(0)); ++ if (err) ++ return pcibios_err_to_errno(err); ++ ++ /* 1 - 10 follow one step after the other. */ ++ for (i = 0; i < fw->size / 4; i++) { ++ err = renesas_fw_download_image(pdev, fw_data, i); ++ if (err) { ++ dev_err(&pdev->dev, "Firmware Download Step %zd failed at position %zd bytes with (%d).", ++ i, i * 4, err); ++ return err; ++ } ++ } ++ ++ /* ++ * This sequence continues until the last data is written to ++ * "DATA0" or "DATA1". Naturally, we wait until "SET DATA0/1" ++ * is cleared by the hardware beforehand. ++ */ ++ for (i = 0; i < 10000; i++) { ++ err = pci_read_config_byte(pdev, 0xF5, &fw_status); ++ if (err) ++ return pcibios_err_to_errno(err); ++ if (!(fw_status & (BIT(0) | BIT(1)))) ++ break; ++ ++ udelay(1); ++ } ++ if (i == 10000) ++ dev_warn(&pdev->dev, "Final Firmware Download step timed out."); ++ ++ /* ++ * 11. After finishing writing the last data of FW, the ++ * System Software must clear "FW Download Enable" ++ */ ++ err = pci_write_config_byte(pdev, 0xF4, 0); ++ if (err) ++ return pcibios_err_to_errno(err); ++ ++ /* 12. Read "Result Code" and confirm it is good. */ ++ for (i = 0; i < 10000; i++) { ++ err = pci_read_config_byte(pdev, 0xF4, &fw_status); ++ if (err) ++ return pcibios_err_to_errno(err); ++ if (fw_status & BIT(4)) ++ break; ++ ++ udelay(1); ++ } ++ if (i == 10000) { ++ /* Timed out / Error - let's see if we can fix this */ ++ err = renesas_fw_check_running(pdev); ++ switch (err) { ++ case 0: /* ++ * we shouldn't end up here. ++ * maybe it took a little bit longer. ++ * But all should be well? ++ */ ++ break; ++ ++ case 1: /* (No result yet? - we can try to retry) */ ++ if (retry_counter < 10) { ++ retry_counter++; ++ dev_warn(&pdev->dev, "Retry Firmware download: %d try.", ++ retry_counter); ++ return renesas_fw_download(pdev, fw, ++ retry_counter); ++ } ++ return -ETIMEDOUT; ++ ++ default: ++ return err; ++ } ++ } ++ /* ++ * Optional last step: Engage Firmware Lock ++ * ++ * err = pci_write_config_byte(pdev, 0xF4, BIT(2)); ++ * if (err) ++ * return pcibios_err_to_errno(err); ++ */ ++ ++ return 0; ++} ++ ++struct renesas_fw_ctx { ++ struct pci_dev *pdev; ++ const struct pci_device_id *id; ++ bool resume; ++}; ++ ++static int xhci_pci_probe(struct pci_dev *pdev, ++ const struct pci_device_id *id); ++ ++static void renesas_fw_callback(const struct firmware *fw, ++ void *context) ++{ ++ struct renesas_fw_ctx *ctx = context; ++ struct pci_dev *pdev = ctx->pdev; ++ struct device *parent = pdev->dev.parent; ++ int err = -ENOENT; ++ ++ if (fw) { ++ err = renesas_fw_verify(pdev, fw->data, fw->size); ++ if (!err) { ++ err = renesas_fw_download(pdev, fw, 0); ++ release_firmware(fw); ++ if (!err) { ++ if (ctx->resume) ++ return; ++ ++ err = xhci_pci_probe(pdev, ctx->id); ++ if (!err) { ++ /* everything worked */ ++ devm_kfree(&pdev->dev, ctx); ++ return; ++ } ++ ++ /* in case of an error - fall through */ ++ } else { ++ dev_err(&pdev->dev, "firmware failed to download (%d).", ++ err); ++ } ++ } ++ } else { ++ dev_err(&pdev->dev, "firmware failed to load (%d).", err); ++ } ++ ++ dev_info(&pdev->dev, "Unloading driver"); ++ ++ if (parent) ++ device_lock(parent); ++ ++ device_release_driver(&pdev->dev); ++ ++ if (parent) ++ device_unlock(parent); ++ ++ pci_dev_put(pdev); ++} ++ ++static int renesas_fw_alive_check(struct pci_dev *pdev) ++{ ++ const struct renesas_fw_entry *entry; ++ int err; ++ ++ /* check if we have a eligible RENESAS' uPD720201/2 w/o FW. */ ++ entry = renesas_needs_fw_dl(pdev); ++ if (!entry) ++ return 0; ++ ++ err = renesas_fw_check_running(pdev); ++ /* Also go ahead, if the firmware is running */ ++ if (err == 0) ++ return 0; ++ ++ /* At this point, we can be sure that the FW isn't ready. */ ++ return err; ++} ++ ++static int renesas_fw_download_to_hw(struct pci_dev *pdev, ++ const struct pci_device_id *id, ++ bool do_resume) ++{ ++ const struct renesas_fw_entry *entry; ++ struct renesas_fw_ctx *ctx; ++ int err; ++ ++ /* check if we have a eligible RENESAS' uPD720201/2 w/o FW. */ ++ entry = renesas_needs_fw_dl(pdev); ++ if (!entry) ++ return 0; ++ ++ err = renesas_fw_check_running(pdev); ++ /* Continue ahead, if the firmware is already running. */ ++ if (err == 0) ++ return 0; ++ ++ if (err != 1) ++ return err; ++ ++ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); ++ if (!ctx) ++ return -ENOMEM; ++ ctx->pdev = pdev; ++ ctx->resume = do_resume; ++ ctx->id = id; ++ ++ pci_dev_get(pdev); ++ err = request_firmware_nowait(THIS_MODULE, 1, entry->firmware_name, ++ &pdev->dev, GFP_KERNEL, ctx, renesas_fw_callback); ++ if (err) { ++ pci_dev_put(pdev); ++ return err; ++ } ++ ++ /* ++ * The renesas_fw_callback() callback will continue the probe ++ * process, once it aquires the firmware. ++ */ ++ return 1; ++} ++ + /* called during probe() after chip reset completes */ + static int xhci_pci_setup(struct usb_hcd *hcd) + { +@@ -286,6 +740,22 @@ static int xhci_pci_probe(struct pci_dev + struct hc_driver *driver; + struct usb_hcd *hcd; + ++ /* ++ * Check if this device is a RENESAS uPD720201/2 device. ++ * Otherwise, we can continue with xhci_pci_probe as usual. ++ */ ++ retval = renesas_fw_download_to_hw(dev, id, false); ++ switch (retval) { ++ case 0: ++ break; ++ ++ case 1: /* let it load the firmware and recontinue the probe. */ ++ return 0; ++ ++ default: ++ return retval; ++ }; ++ + driver = (struct hc_driver *)id->driver_data; + + /* Prevent runtime suspending between USB-2 and USB-3 initialization */ +@@ -347,6 +817,16 @@ static void xhci_pci_remove(struct pci_d + { + struct xhci_hcd *xhci; + ++ if (renesas_fw_alive_check(dev)) { ++ /* ++ * bail out early, if this was a renesas device w/o FW. ++ * Else we might hit the NMI watchdog in xhci_handsake ++ * during xhci_reset as part of the driver's unloading. ++ * which we forced in the renesas_fw_callback(). ++ */ ++ return; ++ } ++ + xhci = hcd_to_xhci(pci_get_drvdata(dev)); + xhci->xhc_state |= XHCI_STATE_REMOVING; + if (xhci->shared_hcd) { diff --git a/target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch b/target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch new file mode 100644 index 0000000000..2fba6dcca1 --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch @@ -0,0 +1,53 @@ +From a0dc613140bab907a3d5787a7ae7b0638bf674d0 Mon Sep 17 00:00:00 2001 +From: Christian Lamparter <chunkeey@gmail.com> +Date: Thu, 23 Jun 2016 20:28:20 +0200 +Subject: [PATCH] usb: xhci: force MSI for uPD720201 and + uPD720202 + +The APM82181 does not support MSI-X. When probed, it will +produce a noisy warning. + +--- + drivers/usb/host/pci-quirks.c | 362 ++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 362 insertions(+) + +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -206,6 +206,7 @@ static void xhci_pci_quirks(struct devic + pdev->device == 0x0015) { + xhci->quirks |= XHCI_RESET_ON_RESUME; + xhci->quirks |= XHCI_ZERO_64B_REGS; ++ xhci->quirks |= XHCI_FORCE_MSI; + } + if (pdev->vendor == PCI_VENDOR_ID_VIA) + xhci->quirks |= XHCI_RESET_ON_RESUME; +--- a/drivers/usb/host/xhci.c ++++ b/drivers/usb/host/xhci.c +@@ -424,10 +424,14 @@ static int xhci_try_enable_msi(struct us + free_irq(hcd->irq, hcd); + hcd->irq = 0; + +- ret = xhci_setup_msix(xhci); +- if (ret) +- /* fall back to msi*/ ++ if (xhci->quirks & XHCI_FORCE_MSI) { + ret = xhci_setup_msi(xhci); ++ } else { ++ ret = xhci_setup_msix(xhci); ++ if (ret) ++ /* fall back to msi*/ ++ ret = xhci_setup_msi(xhci); ++ } + + if (!ret) { + hcd->msi_enabled = 1; +--- a/drivers/usb/host/xhci.h ++++ b/drivers/usb/host/xhci.h +@@ -1857,6 +1857,7 @@ struct xhci_hcd { + /* support xHCI 0.96 spec USB2 software LPM */ + unsigned sw_lpm_support:1; + /* support xHCI 1.0 spec USB2 hardware LPM */ ++#define XHCI_FORCE_MSI (1 << 24) + unsigned hw_lpm_support:1; + /* cached usb2 extened protocol capabilites */ + u32 *ext_caps; diff --git a/target/linux/apm821xx/patches-4.19/803-hwmon-tc654-add-detection-routine.patch b/target/linux/apm821xx/patches-4.19/803-hwmon-tc654-add-detection-routine.patch new file mode 100644 index 0000000000..f8b30ae1b3 --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/803-hwmon-tc654-add-detection-routine.patch @@ -0,0 +1,65 @@ +From 694f9bfb8efaef8a33e8992015ff9d0866faf4a2 Mon Sep 17 00:00:00 2001 +From: Christian Lamparter <chunkeey@gmail.com> +Date: Sun, 17 Dec 2017 17:27:15 +0100 +Subject: [PATCH 1/2] hwmon: tc654 add detection routine + +This patch adds a detection routine for the TC654/TC655 +chips. Both IDs are listed in the Datasheet. + +Signed-off-by: Christian Lamparter <chunkeey@gmail.com> +--- + drivers/hwmon/tc654.c | 29 +++++++++++++++++++++++++++++ + 1 file changed, 29 insertions(+) + +--- a/drivers/hwmon/tc654.c ++++ b/drivers/hwmon/tc654.c +@@ -64,6 +64,11 @@ enum tc654_regs { + /* Register data is read (and cached) at most once per second. */ + #define TC654_UPDATE_INTERVAL HZ + ++/* Manufacturer and Version Identification Register Values */ ++#define TC654_MFR_ID_MICROCHIP 0x84 ++#define TC654_VER_ID 0x00 ++#define TC655_VER_ID 0x01 ++ + struct tc654_data { + struct i2c_client *client; + +@@ -497,6 +502,29 @@ static const struct i2c_device_id tc654_ + {} + }; + ++static int ++tc654_detect(struct i2c_client *new_client, struct i2c_board_info *info) ++{ ++ struct i2c_adapter *adapter = new_client->adapter; ++ int manufacturer, product; ++ ++ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) ++ return -ENODEV; ++ ++ manufacturer = i2c_smbus_read_byte_data(new_client, TC654_REG_MFR_ID); ++ if (manufacturer != TC654_MFR_ID_MICROCHIP) ++ return -ENODEV; ++ ++ product = i2c_smbus_read_byte_data(new_client, TC654_REG_VER_ID); ++ if (!((product == TC654_VER_ID) || (product == TC655_VER_ID))) ++ return -ENODEV; ++ ++ strlcpy(info->type, product == TC654_VER_ID ? "tc654" : "tc655", ++ I2C_NAME_SIZE); ++ return 0; ++} ++ ++ + MODULE_DEVICE_TABLE(i2c, tc654_id); + + static struct i2c_driver tc654_driver = { +@@ -505,6 +533,7 @@ static struct i2c_driver tc654_driver = + }, + .probe = tc654_probe, + .id_table = tc654_id, ++ .detect = tc654_detect, + }; + + module_i2c_driver(tc654_driver); diff --git a/target/linux/apm821xx/patches-4.19/804-hwmon-tc654-add-thermal_cooling-device.patch b/target/linux/apm821xx/patches-4.19/804-hwmon-tc654-add-thermal_cooling-device.patch new file mode 100644 index 0000000000..18ed8aecce --- /dev/null +++ b/target/linux/apm821xx/patches-4.19/804-hwmon-tc654-add-thermal_cooling-device.patch @@ -0,0 +1,174 @@ +From 15ae701189744d321d3a1264ff46f8871e8765ee Mon Sep 17 00:00:00 2001 +From: Christian Lamparter <chunkeey@gmail.com> +Date: Sun, 17 Dec 2017 17:29:13 +0100 +Subject: [PATCH] hwmon: tc654: add thermal_cooling device + +This patch adds a thermaL_cooling device to the tc654 driver. +This allows the chip to be used for DT-based cooling. + +Signed-off-by: Christian Lamparter <chunkeey@gmail.com> +--- + drivers/hwmon/tc654.c | 103 +++++++++++++++++++++++++++++++++++++++++--------- + 1 file changed, 86 insertions(+), 17 deletions(-) + +--- a/drivers/hwmon/tc654.c ++++ b/drivers/hwmon/tc654.c +@@ -24,6 +24,7 @@ + #include <linux/module.h> + #include <linux/mutex.h> + #include <linux/slab.h> ++#include <linux/thermal.h> + #include <linux/util_macros.h> + + enum tc654_regs { +@@ -141,6 +142,9 @@ struct tc654_data { + * writable register used to control the duty + * cycle of the V OUT output. + */ ++ ++ /* optional cooling device */ ++ struct thermal_cooling_device *cdev; + }; + + /* helper to grab and cache data, at most one time per second */ +@@ -376,36 +380,30 @@ static ssize_t set_pwm_mode(struct devic + static const int tc654_pwm_map[16] = { 77, 88, 102, 112, 124, 136, 148, 160, + 172, 184, 196, 207, 219, 231, 243, 255}; + ++static int get_pwm(struct tc654_data *data) ++{ ++ if (data->config & TC654_REG_CONFIG_SDM) ++ return 0; ++ else ++ return tc654_pwm_map[data->duty_cycle]; ++} ++ + static ssize_t show_pwm(struct device *dev, struct device_attribute *da, + char *buf) + { + struct tc654_data *data = tc654_update_client(dev); +- int pwm; + + if (IS_ERR(data)) + return PTR_ERR(data); + +- if (data->config & TC654_REG_CONFIG_SDM) +- pwm = 0; +- else +- pwm = tc654_pwm_map[data->duty_cycle]; +- +- return sprintf(buf, "%d\n", pwm); ++ return sprintf(buf, "%d\n", get_pwm(data)); + } + +-static ssize_t set_pwm(struct device *dev, struct device_attribute *da, +- const char *buf, size_t count) ++static int _set_pwm(struct tc654_data *data, unsigned long val) + { +- struct tc654_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; +- unsigned long val; + int ret; + +- if (kstrtoul(buf, 10, &val)) +- return -EINVAL; +- if (val > 255) +- return -EINVAL; +- + mutex_lock(&data->update_lock); + + if (val == 0) +@@ -425,6 +423,22 @@ static ssize_t set_pwm(struct device *de + + out: + mutex_unlock(&data->update_lock); ++ return ret; ++} ++ ++static ssize_t set_pwm(struct device *dev, struct device_attribute *da, ++ const char *buf, size_t count) ++{ ++ struct tc654_data *data = dev_get_drvdata(dev); ++ unsigned long val; ++ int ret; ++ ++ if (kstrtoul(buf, 10, &val)) ++ return -EINVAL; ++ if (val > 255) ++ return -EINVAL; ++ ++ ret = _set_pwm(data, val); + return ret < 0 ? ret : count; + } + +@@ -462,6 +476,47 @@ static struct attribute *tc654_attrs[] = + + ATTRIBUTE_GROUPS(tc654); + ++/* cooling device */ ++ ++static int tc654_get_max_state(struct thermal_cooling_device *cdev, ++ unsigned long *state) ++{ ++ *state = 255; ++ return 0; ++} ++ ++static int tc654_get_cur_state(struct thermal_cooling_device *cdev, ++ unsigned long *state) ++{ ++ struct tc654_data *data = tc654_update_client(cdev->devdata); ++ ++ if (IS_ERR(data)) ++ return PTR_ERR(data); ++ ++ *state = get_pwm(data); ++ return 0; ++} ++ ++static int tc654_set_cur_state(struct thermal_cooling_device *cdev, ++ unsigned long state) ++{ ++ struct tc654_data *data = tc654_update_client(cdev->devdata); ++ ++ if (IS_ERR(data)) ++ return PTR_ERR(data); ++ ++ if (state > 255) ++ return -EINVAL; ++ ++ return _set_pwm(data, state); ++} ++ ++static const struct thermal_cooling_device_ops tc654_fan_cool_ops = { ++ .get_max_state = tc654_get_max_state, ++ .get_cur_state = tc654_get_cur_state, ++ .set_cur_state = tc654_set_cur_state, ++}; ++ + /* + * device probe and removal + */ +@@ -493,7 +548,21 @@ static int tc654_probe(struct i2c_client + hwmon_dev = + devm_hwmon_device_register_with_groups(dev, client->name, data, + tc654_groups); +- return PTR_ERR_OR_ZERO(hwmon_dev); ++ if (IS_ERR(hwmon_dev)) ++ return PTR_ERR(hwmon_dev); ++ ++#if IS_ENABLED(CONFIG_OF) ++ /* Optional cooling device register for Device tree platforms */ ++ data->cdev = thermal_of_cooling_device_register(client->dev.of_node, ++ "tc654", hwmon_dev, ++ &tc654_fan_cool_ops); ++#else /* CONFIG_OF */ ++ /* Optional cooling device register for non Device tree platforms */ ++ data->cdev = thermal_cooling_device_register("tc654", hwmon_dev, ++ &tc654_fan_cool_ops); ++#endif /* CONFIG_OF */ ++ ++ return PTR_ERR_OR_ZERO(data->cdev); + } + + static const struct i2c_device_id tc654_id[] = { diff --git a/target/linux/apm821xx/sata/config-default b/target/linux/apm821xx/sata/config-default index 5af8c338f5..a93466a52e 100644 --- a/target/linux/apm821xx/sata/config-default +++ b/target/linux/apm821xx/sata/config-default @@ -1,4 +1,3 @@ -# CONFIG_IKAREM is not set CONFIG_APOLLO3G=y CONFIG_BROADCOM_PHY=y CONFIG_EXT4_FS=y |