From 30bf133699fc8f93738ddb6c79a5c4edc645e479 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 4 May 2017 12:57:47 +0200 Subject: [PATCH] octeon: remove linux 4.4 support Signed-off-by: Felix Fietkau --- target/linux/octeon/config-4.4 | 286 --- .../100-ubnt_edgerouter2_support.patch | 31 - .../110-er200-ethernet_probe_order.patch | 34 - ...ost-driver-for-octeon-mmc-controller.patch | 1622 ----------------- .../octeon/patches-4.4/160-cmdline-hack.patch | 47 - .../octeon/patches-4.4/170-cisco-hack.patch | 31 - 6 files changed, 2051 deletions(-) delete mode 100644 target/linux/octeon/config-4.4 delete mode 100644 target/linux/octeon/patches-4.4/100-ubnt_edgerouter2_support.patch delete mode 100644 target/linux/octeon/patches-4.4/110-er200-ethernet_probe_order.patch delete mode 100644 target/linux/octeon/patches-4.4/150-mmc-octeon-add-host-driver-for-octeon-mmc-controller.patch delete mode 100644 target/linux/octeon/patches-4.4/160-cmdline-hack.patch delete mode 100644 target/linux/octeon/patches-4.4/170-cisco-hack.patch diff --git a/target/linux/octeon/config-4.4 b/target/linux/octeon/config-4.4 deleted file mode 100644 index fd2f26f1ea..0000000000 --- a/target/linux/octeon/config-4.4 +++ /dev/null @@ -1,286 +0,0 @@ -CONFIG_64BIT=y -CONFIG_ARCH_BINFMT_ELF_STATE=y -CONFIG_ARCH_CLOCKSOURCE_DATA=y -CONFIG_ARCH_DISCARD_MEMBLOCK=y -CONFIG_ARCH_DMA_ADDR_T_64BIT=y -CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y -CONFIG_ARCH_HAS_ELF_RANDOMIZE=y -# CONFIG_ARCH_HAS_GCOV_PROFILE_ALL is not set -# CONFIG_ARCH_HAS_SG_CHAIN is not set -CONFIG_ARCH_HIBERNATION_POSSIBLE=y -CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y -CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y -CONFIG_ARCH_PHYS_ADDR_T_64BIT=y -CONFIG_ARCH_REQUIRE_GPIOLIB=y -CONFIG_ARCH_SPARSEMEM_ENABLE=y -CONFIG_ARCH_SUPPORTS_UPROBES=y -CONFIG_ARCH_SUSPEND_POSSIBLE=y -CONFIG_ARCH_USE_BUILTIN_BSWAP=y -CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y -CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y -CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y -CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y -CONFIG_BINFMT_ELF32=y -CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_SD=y -CONFIG_BLOCK_COMPAT=y -# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set -CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 -CONFIG_BUILTIN_DTB=y -CONFIG_CAVIUM_CN63XXP1=y -# CONFIG_CAVIUM_OCTEON_2ND_KERNEL is not set -CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE=2 -CONFIG_CAVIUM_OCTEON_LOCK_L2=y -CONFIG_CAVIUM_OCTEON_LOCK_L2_EXCEPTION=y -CONFIG_CAVIUM_OCTEON_LOCK_L2_INTERRUPT=y -CONFIG_CAVIUM_OCTEON_LOCK_L2_LOW_LEVEL_INTERRUPT=y -CONFIG_CAVIUM_OCTEON_LOCK_L2_MEMCPY=y -CONFIG_CAVIUM_OCTEON_LOCK_L2_TLB=y -CONFIG_CAVIUM_OCTEON_SOC=y -CONFIG_CC_OPTIMIZE_FOR_SIZE=y -CONFIG_CEVT_R4K=y -CONFIG_CLONE_BACKWARDS=y -CONFIG_COMPAT=y -CONFIG_COMPAT_BRK=y -CONFIG_COMPAT_NETLINK_MESSAGES=y -CONFIG_CPU_BIG_ENDIAN=y -CONFIG_CPU_CAVIUM_OCTEON=y -CONFIG_CPU_GENERIC_DUMP_TLB=y -CONFIG_CPU_HAS_PREFETCH=y -CONFIG_CPU_HAS_SYNC=y -# CONFIG_CPU_LITTLE_ENDIAN is not set -CONFIG_CPU_MIPSR2=y -CONFIG_CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS=y -CONFIG_CPU_RMAP=y -CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y -CONFIG_CPU_SUPPORTS_HIGHMEM=y -CONFIG_CPU_SUPPORTS_HUGEPAGES=y -CONFIG_CRAMFS=y -CONFIG_CRC16=y -CONFIG_CRYPTO_CRC32C=y -CONFIG_CRYPTO_HASH=y -CONFIG_CRYPTO_HASH2=y -# CONFIG_CRYPTO_MD5_OCTEON is not set -CONFIG_CRYPTO_RNG2=y -# CONFIG_CRYPTO_SHA1_OCTEON is not set -# CONFIG_CRYPTO_SHA256_OCTEON is not set -# CONFIG_CRYPTO_SHA512_OCTEON is not set -CONFIG_CRYPTO_WORKQUEUE=y -CONFIG_DEBUG_INFO=y -CONFIG_DEBUG_SPINLOCK=y -CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120 -CONFIG_DETECT_HUNG_TASK=y -CONFIG_DMA_COHERENT=y -CONFIG_DNOTIFY=y -CONFIG_DTC=y -CONFIG_EARLY_PRINTK=y -CONFIG_EDAC_ATOMIC_SCRUB=y -CONFIG_EDAC_SUPPORT=y -CONFIG_ENABLE_MUST_CHECK=y -CONFIG_EXT4_FS=y -# CONFIG_F2FS_CHECK_FS is not set -CONFIG_F2FS_FS=y -# CONFIG_F2FS_FS_SECURITY is not set -CONFIG_F2FS_FS_XATTR=y -CONFIG_F2FS_STAT_FS=y -CONFIG_FAT_FS=y -CONFIG_FRAME_WARN=2048 -CONFIG_FS_MBCACHE=y -CONFIG_GENERIC_CLOCKEVENTS=y -CONFIG_GENERIC_CMOS_UPDATE=y -CONFIG_GENERIC_IO=y -CONFIG_GENERIC_IRQ_SHOW=y -CONFIG_GENERIC_PCI_IOMAP=y -CONFIG_GENERIC_SMP_IDLE_THREAD=y -CONFIG_GENERIC_TIME_VSYSCALL=y -CONFIG_GPIOLIB=y -CONFIG_GPIO_DEVRES=y -CONFIG_GPIO_OCTEON=y -CONFIG_GPIO_SYSFS=y -CONFIG_HARDWARE_WATCHPOINTS=y -CONFIG_HAS_DMA=y -CONFIG_HAS_IOMEM=y -CONFIG_HAS_IOPORT_MAP=y -CONFIG_HAVE_64BIT_ALIGNED_ACCESS=y -# CONFIG_HAVE_ARCH_BITREVERSE is not set -CONFIG_HAVE_ARCH_JUMP_LABEL=y -CONFIG_HAVE_ARCH_KGDB=y -CONFIG_HAVE_ARCH_SECCOMP_FILTER=y -CONFIG_HAVE_ARCH_TRACEHOOK=y -CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y -# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set -CONFIG_HAVE_BPF_JIT=y -CONFIG_HAVE_CC_STACKPROTECTOR=y -CONFIG_HAVE_CONTEXT_TRACKING=y -CONFIG_HAVE_C_RECORDMCOUNT=y -CONFIG_HAVE_DEBUG_KMEMLEAK=y -CONFIG_HAVE_DEBUG_STACKOVERFLOW=y -CONFIG_HAVE_DMA_API_DEBUG=y -CONFIG_HAVE_DMA_ATTRS=y -CONFIG_HAVE_DMA_CONTIGUOUS=y -CONFIG_HAVE_DYNAMIC_FTRACE=y -CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y -CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y -CONFIG_HAVE_FUNCTION_TRACER=y -CONFIG_HAVE_GENERIC_DMA_COHERENT=y -CONFIG_HAVE_IDE=y -CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y -CONFIG_HAVE_LATENCYTOP_SUPPORT=y -CONFIG_HAVE_MEMBLOCK=y -CONFIG_HAVE_MEMBLOCK_NODE_MAP=y -CONFIG_HAVE_MEMORY_PRESENT=y -CONFIG_HAVE_MOD_ARCH_SPECIFIC=y -CONFIG_HAVE_NET_DSA=y -CONFIG_HAVE_OPROFILE=y -CONFIG_HAVE_PERF_EVENTS=y -CONFIG_HAVE_SYSCALL_TRACEPOINTS=y -CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y -# CONFIG_HIGH_RES_TIMERS is not set -CONFIG_HOLES_IN_ZONE=y -# CONFIG_HUGETLBFS is not set -CONFIG_HW_HAS_PCI=y -CONFIG_HW_RANDOM=y -CONFIG_HW_RANDOM_OCTEON=y -CONFIG_HZ=250 -# CONFIG_HZ_100 is not set -CONFIG_HZ_250=y -CONFIG_HZ_PERIODIC=y -CONFIG_IMAGE_CMDLINE_HACK=y -CONFIG_INITRAMFS_SOURCE="" -CONFIG_IOMMU_HELPER=y -CONFIG_IRQCHIP=y -CONFIG_IRQ_DOMAIN=y -CONFIG_IRQ_FORCED_THREADING=y -CONFIG_IRQ_WORK=y -CONFIG_JBD2=y -CONFIG_KALLSYMS=y -CONFIG_KEXEC=y -CONFIG_KEXEC_CORE=y -CONFIG_LIBFDT=y -# CONFIG_LIQUIDIO is not set -CONFIG_MDIO_BOARDINFO=y -CONFIG_MDIO_OCTEON=y -CONFIG_MIPS=y -CONFIG_MIPS32_COMPAT=y -CONFIG_MIPS32_N32=y -CONFIG_MIPS32_O32=y -# CONFIG_MIPS_CLOCK_VSYSCALL is not set -# CONFIG_MIPS_CMDLINE_DTB_EXTEND is not set -CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER=y -# CONFIG_MIPS_CMDLINE_FROM_DTB is not set -# CONFIG_MIPS_ELF_APPENDED_DTB is not set -# CONFIG_MIPS_HUGE_TLB_SUPPORT is not set -CONFIG_MIPS_L1_CACHE_SHIFT=7 -CONFIG_MIPS_L1_CACHE_SHIFT_7=y -# CONFIG_MIPS_MACHINE is not set -# CONFIG_MIPS_NO_APPENDED_DTB is not set -CONFIG_MIPS_PGD_C0_CONTEXT=y -CONFIG_MIPS_RAW_APPENDED_DTB=y -CONFIG_MIPS_SPRAM=y -CONFIG_MMC=y -CONFIG_MMC_BLOCK=y -CONFIG_MMC_OCTEON=y -# CONFIG_MMC_TIFM_SD is not set -CONFIG_MODULES_USE_ELF_REL=y -CONFIG_MODULES_USE_ELF_RELA=y -# CONFIG_MTD_CFI_INTELEXT is not set -CONFIG_MTD_CMDLINE_PARTS=y -CONFIG_MTD_PHYSMAP=y -CONFIG_NEED_SG_DMA_LENGTH=y -CONFIG_NET_FLOW_LIMIT=y -CONFIG_NLS=y -CONFIG_NLS_CODEPAGE_437=y -CONFIG_NLS_ISO8859_1=y -CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y -# CONFIG_NO_IOPORT_MAP is not set -CONFIG_NR_CPUS=16 -CONFIG_NR_CPUS_DEFAULT_16=y -CONFIG_OCTEON_ETHERNET=y -# CONFIG_OCTEON_ILM is not set -CONFIG_OCTEON_MGMT_ETHERNET=y -CONFIG_OCTEON_USB=y -CONFIG_OCTEON_WDT=y -CONFIG_OF=y -CONFIG_OF_ADDRESS=y -CONFIG_OF_ADDRESS_PCI=y -CONFIG_OF_EARLY_FLATTREE=y -CONFIG_OF_FLATTREE=y -CONFIG_OF_GPIO=y -CONFIG_OF_IRQ=y -CONFIG_OF_MDIO=y -CONFIG_OF_MTD=y -CONFIG_OF_NET=y -CONFIG_OF_PCI=y -CONFIG_OF_PCI_IRQ=y -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_PCI=y -CONFIG_PCI_BUS_ADDR_T_64BIT=y -CONFIG_PCI_DOMAINS=y -CONFIG_PERF_USE_VMALLOC=y -CONFIG_PGTABLE_LEVELS=3 -CONFIG_PHYLIB=y -CONFIG_PHYS_ADDR_T_64BIT=y -CONFIG_POSIX_MQUEUE=y -CONFIG_POSIX_MQUEUE_SYSCTL=y -CONFIG_PROC_PAGE_MONITOR=y -CONFIG_RCU_STALL_COMMON=y -CONFIG_RELAY=y -CONFIG_RFS_ACCEL=y -CONFIG_RPS=y -CONFIG_SCHED_DEBUG=y -# CONFIG_SCHED_HRTICK is not set -# CONFIG_SCHED_INFO is not set -CONFIG_SCSI=y -CONFIG_SECCOMP=y -CONFIG_SECCOMP_FILTER=y -CONFIG_SERIAL_8250_DW=y -# CONFIG_SERIAL_8250_FSL is not set -CONFIG_SMP=y -CONFIG_SPARSEMEM=y -CONFIG_SPARSEMEM_STATIC=y -CONFIG_SRCU=y -CONFIG_SWAP_IO_SPACE=y -CONFIG_SWIOTLB=y -CONFIG_SYSCTL_EXCEPTION_TRACE=y -CONFIG_SYSFS_DEPRECATED=y -CONFIG_SYSFS_DEPRECATED_V2=y -CONFIG_SYSVIPC_COMPAT=y -CONFIG_SYS_HAS_CPU_CAVIUM_OCTEON=y -CONFIG_SYS_HAS_DMA_OPS=y -CONFIG_SYS_HAS_EARLY_PRINTK=y -CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y -CONFIG_SYS_SUPPORTS_ARBIT_HZ=y -CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y -CONFIG_SYS_SUPPORTS_HOTPLUG_CPU=y -CONFIG_SYS_SUPPORTS_HUGETLBFS=y -CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y -CONFIG_SYS_SUPPORTS_SMP=y -# CONFIG_THUNDER_NIC_BGX is not set -# CONFIG_THUNDER_NIC_PF is not set -# CONFIG_THUNDER_NIC_VF is not set -CONFIG_TICK_CPU_ACCOUNTING=y -CONFIG_TREE_RCU=y -CONFIG_UNINLINE_SPIN_UNLOCK=y -CONFIG_USB=y -CONFIG_USB_COMMON=y -CONFIG_USB_EHCI_BIG_ENDIAN_MMIO=y -CONFIG_USB_EHCI_HCD=y -CONFIG_USB_EHCI_HCD_PLATFORM=y -CONFIG_USB_EHCI_PCI=y -CONFIG_USB_OCTEON_EHCI=y -CONFIG_USB_OCTEON_OHCI=y -CONFIG_USB_OHCI_BIG_ENDIAN_MMIO=y -CONFIG_USB_OHCI_HCD=y -CONFIG_USB_OHCI_HCD_PLATFORM=y -CONFIG_USB_STORAGE=y -CONFIG_USB_SUPPORT=y -# CONFIG_USB_UHCI_HCD is not set -CONFIG_USE_OF=y -CONFIG_VFAT_FS=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_WATCHDOG_CORE=y -CONFIG_WEAK_ORDERING=y -CONFIG_XPS=y -CONFIG_ZLIB_INFLATE=y -CONFIG_ZONE_DMA32=y -CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/octeon/patches-4.4/100-ubnt_edgerouter2_support.patch b/target/linux/octeon/patches-4.4/100-ubnt_edgerouter2_support.patch deleted file mode 100644 index 662fbd27f1..0000000000 --- a/target/linux/octeon/patches-4.4/100-ubnt_edgerouter2_support.patch +++ /dev/null @@ -1,31 +0,0 @@ ---- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h -+++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h -@@ -283,6 +283,8 @@ enum cvmx_board_types_enum { - */ - CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001, - CVMX_BOARD_TYPE_UBNT_E100 = 20002, -+ CVMX_BOARD_TYPE_UBNT_E200 = 20003, -+ CVMX_BOARD_TYPE_UBNT_E220 = 20005, - CVMX_BOARD_TYPE_CUST_DSR1000N = 20006, - CVMX_BOARD_TYPE_KONTRON_S1901 = 21901, - CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000, -@@ -384,6 +386,8 @@ static inline const char *cvmx_board_typ - /* Customer private range */ - ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN) - ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100) -+ ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E200) -+ ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E220) - ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N) - ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901) - ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX) ---- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c -+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c -@@ -195,6 +195,8 @@ int cvmx_helper_board_get_mii_address(in - return 8; - else - return -1; -+ case CVMX_BOARD_TYPE_UBNT_E200: -+ return -1; - case CVMX_BOARD_TYPE_KONTRON_S1901: - if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT) - return 1; diff --git a/target/linux/octeon/patches-4.4/110-er200-ethernet_probe_order.patch b/target/linux/octeon/patches-4.4/110-er200-ethernet_probe_order.patch deleted file mode 100644 index 71d45a0f51..0000000000 --- a/target/linux/octeon/patches-4.4/110-er200-ethernet_probe_order.patch +++ /dev/null @@ -1,34 +0,0 @@ ---- a/drivers/staging/octeon/ethernet.c -+++ b/drivers/staging/octeon/ethernet.c -@@ -667,6 +667,7 @@ static int cvm_oct_probe(struct platform - int interface; - int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE; - int qos; -+ int i; - struct device_node *pip; - - octeon_mdiobus_force_mod_depencency(); -@@ -751,13 +752,19 @@ static int cvm_oct_probe(struct platform - } - - num_interfaces = cvmx_helper_get_number_of_interfaces(); -- for (interface = 0; interface < num_interfaces; interface++) { -- cvmx_helper_interface_mode_t imode = -- cvmx_helper_interface_get_mode(interface); -- int num_ports = cvmx_helper_ports_on_interface(interface); -+ for (i = 0; i < num_interfaces; i++) { -+ cvmx_helper_interface_mode_t imode; -+ int interface; -+ int num_ports; - int port; - int port_index; - -+ interface = i; -+ if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_UBNT_E200) -+ interface = num_interfaces - (i + 1); -+ -+ num_ports = cvmx_helper_ports_on_interface(interface); -+ imode = cvmx_helper_interface_get_mode(interface); - for (port_index = 0, - port = cvmx_helper_get_ipd_port(interface, 0); - port < cvmx_helper_get_ipd_port(interface, num_ports); diff --git a/target/linux/octeon/patches-4.4/150-mmc-octeon-add-host-driver-for-octeon-mmc-controller.patch b/target/linux/octeon/patches-4.4/150-mmc-octeon-add-host-driver-for-octeon-mmc-controller.patch deleted file mode 100644 index ba6af4ed9a..0000000000 --- a/target/linux/octeon/patches-4.4/150-mmc-octeon-add-host-driver-for-octeon-mmc-controller.patch +++ /dev/null @@ -1,1622 +0,0 @@ ---- /dev/null -+++ b/Documentation/devicetree/bindings/mmc/octeon-mmc.txt -@@ -0,0 +1,69 @@ -+* OCTEON SD/MMC Host Controller -+ -+This controller is present on some members of the Cavium OCTEON SoC -+family, provide an interface for eMMC, MMC and SD devices. There is a -+single controller that may have several "slots" connected. These -+slots appear as children of the main controller node. -+The DMA engine is an integral part of the controller block. -+ -+Required properties: -+- compatible : Should be "cavium,octeon-6130-mmc" or "cavium,octeon-7890-mmc" -+- reg : Two entries: -+ 1) The base address of the MMC controller register bank. -+ 2) The base address of the MMC DMA engine register bank. -+- interrupts : -+ For "cavium,octeon-6130-mmc": two entries: -+ 1) The MMC controller interrupt line. -+ 2) The MMC DMA engine interrupt line. -+ For "cavium,octeon-7890-mmc": nine entries: -+ 1) The next block transfer of a multiblock transfer has completed (BUF_DONE) -+ 2) Operation completed successfully (CMD_DONE). -+ 3) DMA transfer completed successfully (DMA_DONE). -+ 4) Operation encountered an error (CMD_ERR). -+ 5) DMA transfer encountered an error (DMA_ERR). -+ 6) Switch operation completed successfully (SWITCH_DONE). -+ 7) Switch operation encountered an error (SWITCH_ERR). -+ 8) Internal DMA engine request completion interrupt (DONE). -+ 9) Internal DMA FIFO underflow (FIFO). -+- #address-cells : Must be <1> -+- #size-cells : Must be <0> -+ -+Required properties of child nodes: -+- compatible : Should be "cavium,octeon-6130-mmc-slot". -+- reg : The slot number. -+ -+Optional properties of child nodes: -+- cd-gpios : Specify GPIOs for card detection -+- wp-gpios : Specify GPIOs for write protection -+- power-gpios : Specify GPIOs for power control -+- cavium,bus-max-width : The number of data lines present in the slot. -+ Default is 8. -+- spi-max-frequency : The maximum operating frequency of the slot. -+ Default is 52000000. -+- cavium,cmd-clk-skew : the amount of delay (in pS) past the clock edge -+ to sample the command pin. -+- cavium,dat-clk-skew : the amount of delay (in pS) past the clock edge -+ to sample the data pin. -+ -+Example: -+ mmc@1180000002000 { -+ compatible = "cavium,octeon-6130-mmc"; -+ reg = <0x11800 0x00002000 0x0 0x100>, -+ <0x11800 0x00000168 0x0 0x20>; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ /* EMM irq, DMA irq */ -+ interrupts = <1 19>, <0 63>; -+ -+ /* The board only has a single MMC slot */ -+ mmc-slot@0 { -+ compatible = "cavium,octeon-6130-mmc-slot"; -+ reg = <0>; -+ spi-max-frequency = <20000000>; -+ /* bus width can be 1, 4 or 8 */ -+ cavium,bus-max-width = <8>; -+ cd-gpios = <&gpio 9 0>; -+ wp-gpios = <&gpio 10 0>; -+ power-gpios = <&gpio 8 0>; -+ }; -+ }; ---- a/drivers/mmc/host/Kconfig -+++ b/drivers/mmc/host/Kconfig -@@ -437,6 +437,16 @@ config MMC_MXS - - If unsure, say N. - -+config MMC_OCTEON -+ tristate "Cavium OCTEON Multimedia Card Interface support" -+ depends on CAVIUM_OCTEON_SOC -+ help -+ This selects Cavium OCTEON Multimedia card Interface. -+ If you have an OCTEON board with a Multimedia Card slot, -+ say Y or M here. -+ -+ If unsure, say N. -+ - config MMC_TIFM_SD - tristate "TI Flash Media MMC/SD Interface support" - depends on PCI ---- a/drivers/mmc/host/Makefile -+++ b/drivers/mmc/host/Makefile -@@ -20,6 +20,7 @@ obj-$(CONFIG_MMC_SDHCI_F_SDH30) += sdhci - obj-$(CONFIG_MMC_SDHCI_SPEAR) += sdhci-spear.o - obj-$(CONFIG_MMC_WBSD) += wbsd.o - obj-$(CONFIG_MMC_AU1X) += au1xmmc.o -+obj-$(CONFIG_MMC_OCTEON) += octeon_mmc.o - obj-$(CONFIG_MMC_MTK) += mtk-sd.o - obj-$(CONFIG_MMC_OMAP) += omap.o - obj-$(CONFIG_MMC_OMAP_HS) += omap_hsmmc.o ---- /dev/null -+++ b/drivers/mmc/host/octeon_mmc.c -@@ -0,0 +1,1518 @@ -+/* -+ * Driver for MMC and SSD cards for Cavium OCTEON SOCs. -+ * -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2012-2014 Cavium Inc. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+#include -+#include -+#include -+#include -+ -+#include -+#include -+#include -+ -+#define DRV_NAME "octeon_mmc" -+ -+#define OCTEON_MAX_MMC 4 -+ -+#define OCT_MIO_NDF_DMA_CFG 0x00 -+#define OCT_MIO_EMM_DMA_ADR 0x08 -+ -+#define OCT_MIO_EMM_CFG 0x00 -+#define OCT_MIO_EMM_SWITCH 0x48 -+#define OCT_MIO_EMM_DMA 0x50 -+#define OCT_MIO_EMM_CMD 0x58 -+#define OCT_MIO_EMM_RSP_STS 0x60 -+#define OCT_MIO_EMM_RSP_LO 0x68 -+#define OCT_MIO_EMM_RSP_HI 0x70 -+#define OCT_MIO_EMM_INT 0x78 -+#define OCT_MIO_EMM_INT_EN 0x80 -+#define OCT_MIO_EMM_WDOG 0x88 -+#define OCT_MIO_EMM_SAMPLE 0x90 -+#define OCT_MIO_EMM_STS_MASK 0x98 -+#define OCT_MIO_EMM_RCA 0xa0 -+#define OCT_MIO_EMM_BUF_IDX 0xe0 -+#define OCT_MIO_EMM_BUF_DAT 0xe8 -+ -+#define CVMX_MIO_BOOT_CTL CVMX_ADD_IO_SEG(0x00011800000000D0ull) -+ -+struct octeon_mmc_host { -+ u64 base; -+ u64 ndf_base; -+ u64 emm_cfg; -+ u64 n_minus_one; /* OCTEON II workaround location */ -+ int last_slot; -+ -+ struct semaphore mmc_serializer; -+ struct mmc_request *current_req; -+ unsigned int linear_buf_size; -+ void *linear_buf; -+ struct sg_mapping_iter smi; -+ int sg_idx; -+ bool dma_active; -+ -+ struct platform_device *pdev; -+ int global_pwr_gpio; -+ bool global_pwr_gpio_low; -+ bool dma_err_pending; -+ bool need_bootbus_lock; -+ bool big_dma_addr; -+ bool need_irq_handler_lock; -+ spinlock_t irq_handler_lock; -+ -+ struct octeon_mmc_slot *slot[OCTEON_MAX_MMC]; -+}; -+ -+struct octeon_mmc_slot { -+ struct mmc_host *mmc; /* slot-level mmc_core object */ -+ struct octeon_mmc_host *host; /* common hw for all 4 slots */ -+ -+ unsigned int clock; -+ unsigned int sclock; -+ -+ u64 cached_switch; -+ u64 cached_rca; -+ -+ unsigned int cmd_cnt; /* sample delay */ -+ unsigned int dat_cnt; /* sample delay */ -+ -+ int bus_width; -+ int bus_id; -+ int ro_gpio; -+ int cd_gpio; -+ int pwr_gpio; -+ bool cd_gpio_low; -+ bool ro_gpio_low; -+ bool pwr_gpio_low; -+}; -+ -+static int bb_size = 1 << 16; -+module_param(bb_size, int, S_IRUGO); -+MODULE_PARM_DESC(bb_size, -+ "Size of DMA linearizing buffer (max transfer size)."); -+ -+static int ddr = 2; -+module_param(ddr, int, S_IRUGO); -+MODULE_PARM_DESC(ddr, -+ "enable DoubleDataRate clocking: 0=no, 1=always, 2=at spi-max-frequency/2"); -+ -+#if 0 -+#define octeon_mmc_dbg trace_printk -+#else -+static inline void octeon_mmc_dbg(const char *s, ...) { } -+#endif -+ -+static void octeon_mmc_acquire_bus(struct octeon_mmc_host *host) -+{ -+ if (host->need_bootbus_lock) { -+ down(&octeon_bootbus_sem); -+ /* On cn70XX switch the mmc unit onto the bus. */ -+ if (OCTEON_IS_MODEL(OCTEON_CN70XX)) -+ cvmx_write_csr(CVMX_MIO_BOOT_CTL, 0); -+ } else { -+ down(&host->mmc_serializer); -+ } -+} -+ -+static void octeon_mmc_release_bus(struct octeon_mmc_host *host) -+{ -+ if (host->need_bootbus_lock) -+ up(&octeon_bootbus_sem); -+ else -+ up(&host->mmc_serializer); -+} -+ -+struct octeon_mmc_cr_type { -+ u8 ctype; -+ u8 rtype; -+}; -+ -+/* -+ * The OCTEON MMC host hardware assumes that all commands have fixed -+ * command and response types. These are correct if MMC devices are -+ * being used. However, non-MMC devices like SD use command and -+ * response types that are unexpected by the host hardware. -+ * -+ * The command and response types can be overridden by supplying an -+ * XOR value that is applied to the type. We calculate the XOR value -+ * from the values in this table and the flags passed from the MMC -+ * core. -+ */ -+static struct octeon_mmc_cr_type octeon_mmc_cr_types[] = { -+ {0, 0}, /* CMD0 */ -+ {0, 3}, /* CMD1 */ -+ {0, 2}, /* CMD2 */ -+ {0, 1}, /* CMD3 */ -+ {0, 0}, /* CMD4 */ -+ {0, 1}, /* CMD5 */ -+ {0, 1}, /* CMD6 */ -+ {0, 1}, /* CMD7 */ -+ {1, 1}, /* CMD8 */ -+ {0, 2}, /* CMD9 */ -+ {0, 2}, /* CMD10 */ -+ {1, 1}, /* CMD11 */ -+ {0, 1}, /* CMD12 */ -+ {0, 1}, /* CMD13 */ -+ {1, 1}, /* CMD14 */ -+ {0, 0}, /* CMD15 */ -+ {0, 1}, /* CMD16 */ -+ {1, 1}, /* CMD17 */ -+ {1, 1}, /* CMD18 */ -+ {3, 1}, /* CMD19 */ -+ {2, 1}, /* CMD20 */ -+ {0, 0}, /* CMD21 */ -+ {0, 0}, /* CMD22 */ -+ {0, 1}, /* CMD23 */ -+ {2, 1}, /* CMD24 */ -+ {2, 1}, /* CMD25 */ -+ {2, 1}, /* CMD26 */ -+ {2, 1}, /* CMD27 */ -+ {0, 1}, /* CMD28 */ -+ {0, 1}, /* CMD29 */ -+ {1, 1}, /* CMD30 */ -+ {1, 1}, /* CMD31 */ -+ {0, 0}, /* CMD32 */ -+ {0, 0}, /* CMD33 */ -+ {0, 0}, /* CMD34 */ -+ {0, 1}, /* CMD35 */ -+ {0, 1}, /* CMD36 */ -+ {0, 0}, /* CMD37 */ -+ {0, 1}, /* CMD38 */ -+ {0, 4}, /* CMD39 */ -+ {0, 5}, /* CMD40 */ -+ {0, 0}, /* CMD41 */ -+ {2, 1}, /* CMD42 */ -+ {0, 0}, /* CMD43 */ -+ {0, 0}, /* CMD44 */ -+ {0, 0}, /* CMD45 */ -+ {0, 0}, /* CMD46 */ -+ {0, 0}, /* CMD47 */ -+ {0, 0}, /* CMD48 */ -+ {0, 0}, /* CMD49 */ -+ {0, 0}, /* CMD50 */ -+ {0, 0}, /* CMD51 */ -+ {0, 0}, /* CMD52 */ -+ {0, 0}, /* CMD53 */ -+ {0, 0}, /* CMD54 */ -+ {0, 1}, /* CMD55 */ -+ {0xff, 0xff}, /* CMD56 */ -+ {0, 0}, /* CMD57 */ -+ {0, 0}, /* CMD58 */ -+ {0, 0}, /* CMD59 */ -+ {0, 0}, /* CMD60 */ -+ {0, 0}, /* CMD61 */ -+ {0, 0}, /* CMD62 */ -+ {0, 0} /* CMD63 */ -+}; -+ -+struct octeon_mmc_cr_mods { -+ u8 ctype_xor; -+ u8 rtype_xor; -+}; -+ -+/* -+ * The functions below are used for the EMMC-17978 workaround. -+ * -+ * Due to an imperfection in the design of the MMC bus hardware, -+ * the 2nd to last cache block of a DMA read must be locked into the L2 Cache. -+ * Otherwise, data corruption may occur. -+ */ -+ -+static inline void *phys_to_ptr(u64 address) -+{ -+ return (void *)(address | (1ull<<63)); /* XKPHYS */ -+} -+ -+/** -+ * Lock a single line into L2. The line is zeroed before locking -+ * to make sure no dram accesses are made. -+ * -+ * @addr Physical address to lock -+ */ -+static void l2c_lock_line(u64 addr) -+{ -+ char *addr_ptr = phys_to_ptr(addr); -+ -+ asm volatile ( -+ "cache 31, %[line]" /* Unlock the line */ -+ :: [line] "m" (*addr_ptr)); -+} -+ -+/** -+ * Locks a memory region in the L2 cache -+ * -+ * @start - start address to begin locking -+ * @len - length in bytes to lock -+ */ -+static void l2c_lock_mem_region(u64 start, u64 len) -+{ -+ u64 end; -+ -+ /* Round start/end to cache line boundaries */ -+ end = ALIGN(start + len - 1, CVMX_CACHE_LINE_SIZE); -+ start = ALIGN(start, CVMX_CACHE_LINE_SIZE); -+ -+ while (start <= end) { -+ l2c_lock_line(start); -+ start += CVMX_CACHE_LINE_SIZE; -+ } -+ asm volatile("sync"); -+} -+ -+/** -+ * Unlock a single line in the L2 cache. -+ * -+ * @addr Physical address to unlock -+ * -+ * Return Zero on success -+ */ -+static void l2c_unlock_line(u64 addr) -+{ -+ char *addr_ptr = phys_to_ptr(addr); -+ asm volatile ( -+ "cache 23, %[line]" /* Unlock the line */ -+ :: [line] "m" (*addr_ptr)); -+} -+ -+/** -+ * Unlock a memory region in the L2 cache -+ * -+ * @start - start address to unlock -+ * @len - length to unlock in bytes -+ */ -+static void l2c_unlock_mem_region(u64 start, u64 len) -+{ -+ u64 end; -+ -+ /* Round start/end to cache line boundaries */ -+ end = ALIGN(start + len - 1, CVMX_CACHE_LINE_SIZE); -+ start = ALIGN(start, CVMX_CACHE_LINE_SIZE); -+ -+ while (start <= end) { -+ l2c_unlock_line(start); -+ start += CVMX_CACHE_LINE_SIZE; -+ } -+} -+ -+static struct octeon_mmc_cr_mods octeon_mmc_get_cr_mods(struct mmc_command *cmd) -+{ -+ struct octeon_mmc_cr_type *cr; -+ u8 desired_ctype, hardware_ctype; -+ u8 desired_rtype, hardware_rtype; -+ struct octeon_mmc_cr_mods r; -+ -+ desired_ctype = desired_rtype = 0; -+ -+ cr = octeon_mmc_cr_types + (cmd->opcode & 0x3f); -+ hardware_ctype = cr->ctype; -+ hardware_rtype = cr->rtype; -+ if (cmd->opcode == 56) { /* CMD56 GEN_CMD */ -+ hardware_ctype = (cmd->arg & 1) ? 1 : 2; -+ } -+ -+ switch (mmc_cmd_type(cmd)) { -+ case MMC_CMD_ADTC: -+ desired_ctype = (cmd->data->flags & MMC_DATA_WRITE) ? 2 : 1; -+ break; -+ case MMC_CMD_AC: -+ case MMC_CMD_BC: -+ case MMC_CMD_BCR: -+ desired_ctype = 0; -+ break; -+ } -+ -+ switch (mmc_resp_type(cmd)) { -+ case MMC_RSP_NONE: -+ desired_rtype = 0; -+ break; -+ case MMC_RSP_R1:/* MMC_RSP_R5, MMC_RSP_R6, MMC_RSP_R7 */ -+ case MMC_RSP_R1B: -+ desired_rtype = 1; -+ break; -+ case MMC_RSP_R2: -+ desired_rtype = 2; -+ break; -+ case MMC_RSP_R3: /* MMC_RSP_R4 */ -+ desired_rtype = 3; -+ break; -+ } -+ r.ctype_xor = desired_ctype ^ hardware_ctype; -+ r.rtype_xor = desired_rtype ^ hardware_rtype; -+ return r; -+} -+ -+static bool octeon_mmc_switch_val_changed(struct octeon_mmc_slot *slot, -+ u64 new_val) -+{ -+ /* Match BUS_ID, HS_TIMING, BUS_WIDTH, POWER_CLASS, CLK_HI, CLK_LO */ -+ u64 m = 0x3001070fffffffffull; -+ -+ return (slot->cached_switch & m) != (new_val & m); -+} -+ -+static unsigned int octeon_mmc_timeout_to_wdog(struct octeon_mmc_slot *slot, -+ unsigned int ns) -+{ -+ u64 bt = (u64)slot->clock * (u64)ns; -+ -+ return (unsigned int)(bt / 1000000000); -+} -+ -+static irqreturn_t octeon_mmc_interrupt(int irq, void *dev_id) -+{ -+ struct octeon_mmc_host *host = dev_id; -+ union cvmx_mio_emm_int emm_int; -+ struct mmc_request *req; -+ bool host_done; -+ union cvmx_mio_emm_rsp_sts rsp_sts; -+ unsigned long flags = 0; -+ -+ if (host->need_irq_handler_lock) -+ spin_lock_irqsave(&host->irq_handler_lock, flags); -+ emm_int.u64 = cvmx_read_csr(host->base + OCT_MIO_EMM_INT); -+ req = host->current_req; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_INT, emm_int.u64); -+ -+ octeon_mmc_dbg("Got interrupt: EMM_INT = 0x%llx\n", emm_int.u64); -+ -+ if (!req) -+ goto out; -+ -+ rsp_sts.u64 = cvmx_read_csr(host->base + OCT_MIO_EMM_RSP_STS); -+ octeon_mmc_dbg("octeon_mmc_interrupt MIO_EMM_RSP_STS 0x%llx\n", -+ rsp_sts.u64); -+ -+ if (host->dma_err_pending) { -+ host->current_req = NULL; -+ host->dma_err_pending = false; -+ req->done(req); -+ host_done = true; -+ goto no_req_done; -+ } -+ -+ if (!host->dma_active && emm_int.s.buf_done && req->data) { -+ unsigned int type = (rsp_sts.u64 >> 7) & 3; -+ -+ if (type == 1) { -+ /* Read */ -+ int dbuf = rsp_sts.s.dbuf; -+ struct sg_mapping_iter *smi = &host->smi; -+ unsigned int data_len = -+ req->data->blksz * req->data->blocks; -+ unsigned int bytes_xfered; -+ u64 dat = 0; -+ int shift = -1; -+ -+ /* Auto inc from offset zero */ -+ cvmx_write_csr(host->base + OCT_MIO_EMM_BUF_IDX, -+ (u64)(0x10000 | (dbuf << 6))); -+ -+ for (bytes_xfered = 0; bytes_xfered < data_len;) { -+ if (smi->consumed >= smi->length) { -+ if (!sg_miter_next(smi)) -+ break; -+ smi->consumed = 0; -+ } -+ if (shift < 0) { -+ dat = cvmx_read_csr(host->base + -+ OCT_MIO_EMM_BUF_DAT); -+ shift = 56; -+ } -+ -+ while (smi->consumed < smi->length && -+ shift >= 0) { -+ ((u8 *)(smi->addr))[smi->consumed] = -+ (dat >> shift) & 0xff; -+ bytes_xfered++; -+ smi->consumed++; -+ shift -= 8; -+ } -+ } -+ sg_miter_stop(smi); -+ req->data->bytes_xfered = bytes_xfered; -+ req->data->error = 0; -+ } else if (type == 2) { -+ /* write */ -+ req->data->bytes_xfered = req->data->blksz * -+ req->data->blocks; -+ req->data->error = 0; -+ } -+ } -+ host_done = emm_int.s.cmd_done || emm_int.s.dma_done || -+ emm_int.s.cmd_err || emm_int.s.dma_err; -+ if (host_done && req->done) { -+ if (rsp_sts.s.rsp_bad_sts || -+ rsp_sts.s.rsp_crc_err || -+ rsp_sts.s.rsp_timeout || -+ rsp_sts.s.blk_crc_err || -+ rsp_sts.s.blk_timeout || -+ rsp_sts.s.dbuf_err) { -+ req->cmd->error = -EILSEQ; -+ } else { -+ req->cmd->error = 0; -+ } -+ -+ if (host->dma_active && req->data) { -+ req->data->error = 0; -+ req->data->bytes_xfered = req->data->blocks * -+ req->data->blksz; -+ if (!(req->data->flags & MMC_DATA_WRITE) && -+ req->data->sg_len > 1) { -+ size_t r = sg_copy_from_buffer(req->data->sg, -+ req->data->sg_len, host->linear_buf, -+ req->data->bytes_xfered); -+ WARN_ON(r != req->data->bytes_xfered); -+ } -+ } -+ if (rsp_sts.s.rsp_val) { -+ u64 rsp_hi; -+ u64 rsp_lo = cvmx_read_csr( -+ host->base + OCT_MIO_EMM_RSP_LO); -+ -+ switch (rsp_sts.s.rsp_type) { -+ case 1: -+ case 3: -+ req->cmd->resp[0] = (rsp_lo >> 8) & 0xffffffff; -+ req->cmd->resp[1] = 0; -+ req->cmd->resp[2] = 0; -+ req->cmd->resp[3] = 0; -+ break; -+ case 2: -+ req->cmd->resp[3] = rsp_lo & 0xffffffff; -+ req->cmd->resp[2] = (rsp_lo >> 32) & 0xffffffff; -+ rsp_hi = cvmx_read_csr(host->base + -+ OCT_MIO_EMM_RSP_HI); -+ req->cmd->resp[1] = rsp_hi & 0xffffffff; -+ req->cmd->resp[0] = (rsp_hi >> 32) & 0xffffffff; -+ break; -+ default: -+ octeon_mmc_dbg("octeon_mmc_interrupt unhandled rsp_val %d\n", -+ rsp_sts.s.rsp_type); -+ break; -+ } -+ octeon_mmc_dbg("octeon_mmc_interrupt resp %08x %08x %08x %08x\n", -+ req->cmd->resp[0], req->cmd->resp[1], -+ req->cmd->resp[2], req->cmd->resp[3]); -+ } -+ if (emm_int.s.dma_err && rsp_sts.s.dma_pend) { -+ /* Try to clean up failed DMA */ -+ union cvmx_mio_emm_dma emm_dma; -+ -+ emm_dma.u64 = -+ cvmx_read_csr(host->base + OCT_MIO_EMM_DMA); -+ emm_dma.s.dma_val = 1; -+ emm_dma.s.dat_null = 1; -+ emm_dma.s.bus_id = rsp_sts.s.bus_id; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_DMA, -+ emm_dma.u64); -+ host->dma_err_pending = true; -+ host_done = false; -+ goto no_req_done; -+ } -+ -+ host->current_req = NULL; -+ req->done(req); -+ } -+no_req_done: -+ if (host->n_minus_one) { -+ l2c_unlock_mem_region(host->n_minus_one, 512); -+ host->n_minus_one = 0; -+ } -+ if (host_done) -+ octeon_mmc_release_bus(host); -+out: -+ if (host->need_irq_handler_lock) -+ spin_unlock_irqrestore(&host->irq_handler_lock, flags); -+ return IRQ_RETVAL(emm_int.u64 != 0); -+} -+ -+static void octeon_mmc_switch_to(struct octeon_mmc_slot *slot) -+{ -+ struct octeon_mmc_host *host = slot->host; -+ struct octeon_mmc_slot *old_slot; -+ union cvmx_mio_emm_switch sw; -+ union cvmx_mio_emm_sample samp; -+ -+ if (slot->bus_id == host->last_slot) -+ goto out; -+ -+ if (host->last_slot >= 0) { -+ old_slot = host->slot[host->last_slot]; -+ old_slot->cached_switch = -+ cvmx_read_csr(host->base + OCT_MIO_EMM_SWITCH); -+ old_slot->cached_rca = -+ cvmx_read_csr(host->base + OCT_MIO_EMM_RCA); -+ } -+ cvmx_write_csr(host->base + OCT_MIO_EMM_RCA, slot->cached_rca); -+ sw.u64 = slot->cached_switch; -+ sw.s.bus_id = 0; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_SWITCH, sw.u64); -+ sw.s.bus_id = slot->bus_id; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_SWITCH, sw.u64); -+ -+ samp.u64 = 0; -+ samp.s.cmd_cnt = slot->cmd_cnt; -+ samp.s.dat_cnt = slot->dat_cnt; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_SAMPLE, samp.u64); -+out: -+ host->last_slot = slot->bus_id; -+} -+ -+static void octeon_mmc_dma_request(struct mmc_host *mmc, -+ struct mmc_request *mrq) -+{ -+ struct octeon_mmc_slot *slot; -+ struct octeon_mmc_host *host; -+ struct mmc_command *cmd; -+ struct mmc_data *data; -+ union cvmx_mio_emm_int emm_int; -+ union cvmx_mio_emm_dma emm_dma; -+ union cvmx_mio_ndf_dma_cfg dma_cfg; -+ -+ cmd = mrq->cmd; -+ if (mrq->data == NULL || mrq->data->sg == NULL || !mrq->data->sg_len || -+ mrq->stop == NULL || mrq->stop->opcode != MMC_STOP_TRANSMISSION) { -+ dev_err(&mmc->card->dev, -+ "Error: octeon_mmc_dma_request no data\n"); -+ cmd->error = -EINVAL; -+ if (mrq->done) -+ mrq->done(mrq); -+ return; -+ } -+ -+ slot = mmc_priv(mmc); -+ host = slot->host; -+ -+ /* Only a single user of the bootbus at a time. */ -+ octeon_mmc_acquire_bus(host); -+ -+ octeon_mmc_switch_to(slot); -+ -+ data = mrq->data; -+ -+ if (data->timeout_ns) { -+ cvmx_write_csr(host->base + OCT_MIO_EMM_WDOG, -+ octeon_mmc_timeout_to_wdog(slot, data->timeout_ns)); -+ octeon_mmc_dbg("OCT_MIO_EMM_WDOG %llu\n", -+ cvmx_read_csr(host->base + OCT_MIO_EMM_WDOG)); -+ } -+ -+ WARN_ON(host->current_req); -+ host->current_req = mrq; -+ -+ host->sg_idx = 0; -+ -+ WARN_ON(data->blksz * data->blocks > host->linear_buf_size); -+ -+ if ((data->flags & MMC_DATA_WRITE) && data->sg_len > 1) { -+ size_t r = sg_copy_to_buffer(data->sg, data->sg_len, -+ host->linear_buf, data->blksz * data->blocks); -+ WARN_ON(data->blksz * data->blocks != r); -+ } -+ -+ dma_cfg.u64 = 0; -+ dma_cfg.s.en = 1; -+ dma_cfg.s.rw = (data->flags & MMC_DATA_WRITE) ? 1 : 0; -+#ifdef __LITTLE_ENDIAN -+ dma_cfg.s.endian = 1; -+#endif -+ dma_cfg.s.size = ((data->blksz * data->blocks) / 8) - 1; -+ if (!host->big_dma_addr) { -+ if (data->sg_len > 1) -+ dma_cfg.s.adr = virt_to_phys(host->linear_buf); -+ else -+ dma_cfg.s.adr = sg_phys(data->sg); -+ } -+ cvmx_write_csr(host->ndf_base + OCT_MIO_NDF_DMA_CFG, dma_cfg.u64); -+ octeon_mmc_dbg("MIO_NDF_DMA_CFG: %016llx\n", -+ (unsigned long long)dma_cfg.u64); -+ if (host->big_dma_addr) { -+ u64 addr; -+ -+ if (data->sg_len > 1) -+ addr = virt_to_phys(host->linear_buf); -+ else -+ addr = sg_phys(data->sg); -+ cvmx_write_csr(host->ndf_base + OCT_MIO_EMM_DMA_ADR, addr); -+ octeon_mmc_dbg("MIO_EMM_DMA_ADR: %016llx\n", -+ (unsigned long long)addr); -+ } -+ -+ emm_dma.u64 = 0; -+ emm_dma.s.bus_id = slot->bus_id; -+ emm_dma.s.dma_val = 1; -+ emm_dma.s.sector = mmc_card_blockaddr(mmc->card) ? 1 : 0; -+ emm_dma.s.rw = (data->flags & MMC_DATA_WRITE) ? 1 : 0; -+ if (mmc_card_mmc(mmc->card) || -+ (mmc_card_sd(mmc->card) && -+ (mmc->card->scr.cmds & SD_SCR_CMD23_SUPPORT))) -+ emm_dma.s.multi = 1; -+ emm_dma.s.block_cnt = data->blocks; -+ emm_dma.s.card_addr = cmd->arg; -+ -+ emm_int.u64 = 0; -+ emm_int.s.dma_done = 1; -+ emm_int.s.cmd_err = 1; -+ emm_int.s.dma_err = 1; -+ /* Clear the bit. */ -+ cvmx_write_csr(host->base + OCT_MIO_EMM_INT, emm_int.u64); -+ cvmx_write_csr(host->base + OCT_MIO_EMM_INT_EN, emm_int.u64); -+ host->dma_active = true; -+ -+ if ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || -+ OCTEON_IS_MODEL(OCTEON_CNF7XXX)) && -+ cmd->opcode == MMC_WRITE_MULTIPLE_BLOCK && -+ (data->blksz * data->blocks) > 1024) { -+ host->n_minus_one = dma_cfg.s.adr + -+ (data->blksz * data->blocks) - 1024; -+ l2c_lock_mem_region(host->n_minus_one, 512); -+ } -+ -+ if (mmc->card && mmc_card_sd(mmc->card)) -+ cvmx_write_csr(host->base + OCT_MIO_EMM_STS_MASK, -+ 0x00b00000ull); -+ else -+ cvmx_write_csr(host->base + OCT_MIO_EMM_STS_MASK, -+ 0xe4f90080ull); -+ cvmx_write_csr(host->base + OCT_MIO_EMM_DMA, emm_dma.u64); -+ octeon_mmc_dbg("MIO_EMM_DMA: %llx\n", emm_dma.u64); -+} -+ -+static void octeon_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) -+{ -+ struct octeon_mmc_slot *slot; -+ struct octeon_mmc_host *host; -+ struct mmc_command *cmd; -+ union cvmx_mio_emm_int emm_int; -+ union cvmx_mio_emm_cmd emm_cmd; -+ struct octeon_mmc_cr_mods mods; -+ -+ cmd = mrq->cmd; -+ -+ if (cmd->opcode == MMC_READ_MULTIPLE_BLOCK || -+ cmd->opcode == MMC_WRITE_MULTIPLE_BLOCK) { -+ octeon_mmc_dma_request(mmc, mrq); -+ return; -+ } -+ -+ mods = octeon_mmc_get_cr_mods(cmd); -+ -+ slot = mmc_priv(mmc); -+ host = slot->host; -+ -+ /* Only a single user of the bootbus at a time. */ -+ octeon_mmc_acquire_bus(host); -+ -+ octeon_mmc_switch_to(slot); -+ -+ WARN_ON(host->current_req); -+ host->current_req = mrq; -+ -+ emm_int.u64 = 0; -+ emm_int.s.cmd_done = 1; -+ emm_int.s.cmd_err = 1; -+ if (cmd->data) { -+ octeon_mmc_dbg("command has data\n"); -+ if (cmd->data->flags & MMC_DATA_READ) { -+ sg_miter_start(&host->smi, mrq->data->sg, -+ mrq->data->sg_len, -+ SG_MITER_ATOMIC | SG_MITER_TO_SG); -+ } else { -+ struct sg_mapping_iter *smi = &host->smi; -+ unsigned int data_len = -+ mrq->data->blksz * mrq->data->blocks; -+ unsigned int bytes_xfered; -+ u64 dat = 0; -+ int shift = 56; -+ /* -+ * Copy data to the xmit buffer before -+ * issuing the command -+ */ -+ sg_miter_start(smi, mrq->data->sg, -+ mrq->data->sg_len, SG_MITER_FROM_SG); -+ /* Auto inc from offset zero, dbuf zero */ -+ cvmx_write_csr(host->base + OCT_MIO_EMM_BUF_IDX, -+ 0x10000ull); -+ -+ for (bytes_xfered = 0; bytes_xfered < data_len;) { -+ if (smi->consumed >= smi->length) { -+ if (!sg_miter_next(smi)) -+ break; -+ smi->consumed = 0; -+ } -+ -+ while (smi->consumed < smi->length && -+ shift >= 0) { -+ -+ dat |= (u64)(((u8 *)(smi->addr)) -+ [smi->consumed]) << shift; -+ bytes_xfered++; -+ smi->consumed++; -+ shift -= 8; -+ } -+ if (shift < 0) { -+ cvmx_write_csr(host->base + -+ OCT_MIO_EMM_BUF_DAT, dat); -+ shift = 56; -+ dat = 0; -+ } -+ } -+ sg_miter_stop(smi); -+ } -+ if (cmd->data->timeout_ns) { -+ cvmx_write_csr(host->base + OCT_MIO_EMM_WDOG, -+ octeon_mmc_timeout_to_wdog(slot, -+ cmd->data->timeout_ns)); -+ octeon_mmc_dbg("OCT_MIO_EMM_WDOG %llu\n", -+ cvmx_read_csr(host->base + -+ OCT_MIO_EMM_WDOG)); -+ } -+ } else { -+ cvmx_write_csr(host->base + OCT_MIO_EMM_WDOG, -+ ((u64)slot->clock * 850ull) / 1000ull); -+ octeon_mmc_dbg("OCT_MIO_EMM_WDOG %llu\n", -+ cvmx_read_csr(host->base + OCT_MIO_EMM_WDOG)); -+ } -+ /* Clear the bit. */ -+ cvmx_write_csr(host->base + OCT_MIO_EMM_INT, emm_int.u64); -+ cvmx_write_csr(host->base + OCT_MIO_EMM_INT_EN, emm_int.u64); -+ host->dma_active = false; -+ -+ emm_cmd.u64 = 0; -+ emm_cmd.s.cmd_val = 1; -+ emm_cmd.s.ctype_xor = mods.ctype_xor; -+ emm_cmd.s.rtype_xor = mods.rtype_xor; -+ if (mmc_cmd_type(cmd) == MMC_CMD_ADTC) -+ emm_cmd.s.offset = 64 - -+ ((cmd->data->blksz * cmd->data->blocks) / 8); -+ emm_cmd.s.bus_id = slot->bus_id; -+ emm_cmd.s.cmd_idx = cmd->opcode; -+ emm_cmd.s.arg = cmd->arg; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_STS_MASK, 0); -+ cvmx_write_csr(host->base + OCT_MIO_EMM_CMD, emm_cmd.u64); -+ octeon_mmc_dbg("MIO_EMM_CMD: %llx\n", emm_cmd.u64); -+} -+ -+static void octeon_mmc_reset_bus(struct octeon_mmc_slot *slot, int preserve) -+{ -+ union cvmx_mio_emm_cfg emm_cfg; -+ union cvmx_mio_emm_switch emm_switch; -+ u64 wdog = 0; -+ -+ emm_cfg.u64 = cvmx_read_csr(slot->host->base + OCT_MIO_EMM_CFG); -+ if (preserve) { -+ emm_switch.u64 = cvmx_read_csr(slot->host->base + -+ OCT_MIO_EMM_SWITCH); -+ wdog = cvmx_read_csr(slot->host->base + OCT_MIO_EMM_WDOG); -+ } -+ -+ /* Restore switch settings */ -+ if (preserve) { -+ emm_switch.s.switch_exe = 0; -+ emm_switch.s.switch_err0 = 0; -+ emm_switch.s.switch_err1 = 0; -+ emm_switch.s.switch_err2 = 0; -+ emm_switch.s.bus_id = 0; -+ cvmx_write_csr(slot->host->base + OCT_MIO_EMM_SWITCH, -+ emm_switch.u64); -+ emm_switch.s.bus_id = slot->bus_id; -+ cvmx_write_csr(slot->host->base + OCT_MIO_EMM_SWITCH, -+ emm_switch.u64); -+ -+ slot->cached_switch = emm_switch.u64; -+ -+ msleep(10); -+ cvmx_write_csr(slot->host->base + OCT_MIO_EMM_WDOG, wdog); -+ } else { -+ slot->cached_switch = 0; -+ } -+} -+ -+static void octeon_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) -+{ -+ struct octeon_mmc_slot *slot; -+ struct octeon_mmc_host *host; -+ int bus_width; -+ int clock; -+ bool ddr_clock; -+ int hs_timing; -+ int power_class = 10; -+ int clk_period; -+ int timeout = 2000; -+ union cvmx_mio_emm_switch emm_switch; -+ union cvmx_mio_emm_rsp_sts emm_sts; -+ -+ slot = mmc_priv(mmc); -+ host = slot->host; -+ -+ /* Only a single user of the bootbus at a time. */ -+ octeon_mmc_acquire_bus(host); -+ -+ octeon_mmc_switch_to(slot); -+ -+ octeon_mmc_dbg("Calling set_ios: slot: clk = 0x%x, bus_width = %d\n", -+ slot->clock, slot->bus_width); -+ octeon_mmc_dbg("Calling set_ios: ios: clk = 0x%x, vdd = %u, bus_width = %u, power_mode = %u, timing = %u\n", -+ ios->clock, ios->vdd, ios->bus_width, ios->power_mode, -+ ios->timing); -+ octeon_mmc_dbg("Calling set_ios: mmc: caps = 0x%x, bus_width = %d\n", -+ mmc->caps, mmc->ios.bus_width); -+ -+ /* -+ * Reset the chip on each power off -+ */ -+ if (ios->power_mode == MMC_POWER_OFF) { -+ octeon_mmc_reset_bus(slot, 1); -+ if (slot->pwr_gpio >= 0) -+ gpio_set_value_cansleep(slot->pwr_gpio, -+ slot->pwr_gpio_low); -+ } else { -+ if (slot->pwr_gpio >= 0) -+ gpio_set_value_cansleep(slot->pwr_gpio, -+ !slot->pwr_gpio_low); -+ } -+ -+ switch (ios->bus_width) { -+ case MMC_BUS_WIDTH_8: -+ bus_width = 2; -+ break; -+ case MMC_BUS_WIDTH_4: -+ bus_width = 1; -+ break; -+ case MMC_BUS_WIDTH_1: -+ bus_width = 0; -+ break; -+ default: -+ octeon_mmc_dbg("unknown bus width %d\n", ios->bus_width); -+ bus_width = 0; -+ break; -+ } -+ -+ hs_timing = (ios->timing == MMC_TIMING_MMC_HS); -+ ddr_clock = (bus_width && ios->timing >= MMC_TIMING_UHS_DDR50); -+ -+ if (ddr_clock) -+ bus_width |= 4; -+ -+ if (ios->clock) { -+ slot->clock = ios->clock; -+ slot->bus_width = bus_width; -+ -+ clock = slot->clock; -+ -+ if (clock > 52000000) -+ clock = 52000000; -+ -+ clk_period = (octeon_get_io_clock_rate() + clock - 1) / -+ (2 * clock); -+ -+ /* until clock-renengotiate-on-CRC is in */ -+ if (ddr_clock && ddr > 1) -+ clk_period *= 2; -+ -+ emm_switch.u64 = 0; -+ emm_switch.s.hs_timing = hs_timing; -+ emm_switch.s.bus_width = bus_width; -+ emm_switch.s.power_class = power_class; -+ emm_switch.s.clk_hi = clk_period; -+ emm_switch.s.clk_lo = clk_period; -+ -+ if (!octeon_mmc_switch_val_changed(slot, emm_switch.u64)) { -+ octeon_mmc_dbg("No change from 0x%llx mio_emm_switch, returning.\n", -+ emm_switch.u64); -+ goto out; -+ } -+ -+ octeon_mmc_dbg("Writing 0x%llx to mio_emm_wdog\n", -+ ((u64)clock * 850ull) / 1000ull); -+ cvmx_write_csr(host->base + OCT_MIO_EMM_WDOG, -+ ((u64)clock * 850ull) / 1000ull); -+ octeon_mmc_dbg("Writing 0x%llx to mio_emm_switch\n", -+ emm_switch.u64); -+ -+ cvmx_write_csr(host->base + OCT_MIO_EMM_SWITCH, emm_switch.u64); -+ emm_switch.s.bus_id = slot->bus_id; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_SWITCH, emm_switch.u64); -+ slot->cached_switch = emm_switch.u64; -+ -+ do { -+ emm_sts.u64 = -+ cvmx_read_csr(host->base + OCT_MIO_EMM_RSP_STS); -+ if (!emm_sts.s.switch_val) -+ break; -+ udelay(100); -+ } while (timeout-- > 0); -+ -+ if (timeout <= 0) { -+ octeon_mmc_dbg("switch command timed out, status=0x%llx\n", -+ emm_sts.u64); -+ goto out; -+ } -+ } -+out: -+ octeon_mmc_release_bus(host); -+} -+ -+static int octeon_mmc_get_ro(struct mmc_host *mmc) -+{ -+ struct octeon_mmc_slot *slot = mmc_priv(mmc); -+ -+ if (slot->ro_gpio >= 0) { -+ int pin = gpio_get_value_cansleep(slot->ro_gpio); -+ -+ if (pin < 0) -+ return pin; -+ if (slot->ro_gpio_low) -+ pin = !pin; -+ return pin; -+ } else { -+ return -ENOSYS; -+ } -+} -+ -+static int octeon_mmc_get_cd(struct mmc_host *mmc) -+{ -+ struct octeon_mmc_slot *slot = mmc_priv(mmc); -+ -+ if (slot->cd_gpio >= 0) { -+ int pin = gpio_get_value_cansleep(slot->cd_gpio); -+ -+ if (pin < 0) -+ return pin; -+ if (slot->cd_gpio_low) -+ pin = !pin; -+ return pin; -+ } else { -+ return -ENOSYS; -+ } -+} -+ -+static const struct mmc_host_ops octeon_mmc_ops = { -+ .request = octeon_mmc_request, -+ .set_ios = octeon_mmc_set_ios, -+ .get_ro = octeon_mmc_get_ro, -+ .get_cd = octeon_mmc_get_cd, -+}; -+ -+static void octeon_mmc_set_clock(struct octeon_mmc_slot *slot, -+ unsigned int clock) -+{ -+ struct mmc_host *mmc = slot->mmc; -+ -+ clock = min(clock, mmc->f_max); -+ clock = max(clock, mmc->f_min); -+ slot->clock = clock; -+} -+ -+static int octeon_mmc_initlowlevel(struct octeon_mmc_slot *slot, -+ int bus_width) -+{ -+ union cvmx_mio_emm_switch emm_switch; -+ struct octeon_mmc_host *host = slot->host; -+ -+ host->emm_cfg |= 1ull << slot->bus_id; -+ cvmx_write_csr(slot->host->base + OCT_MIO_EMM_CFG, host->emm_cfg); -+ octeon_mmc_set_clock(slot, 400000); -+ -+ /* Program initial clock speed and power */ -+ emm_switch.u64 = 0; -+ emm_switch.s.power_class = 10; -+ emm_switch.s.clk_hi = (slot->sclock / slot->clock) / 2; -+ emm_switch.s.clk_lo = (slot->sclock / slot->clock) / 2; -+ -+ cvmx_write_csr(host->base + OCT_MIO_EMM_SWITCH, emm_switch.u64); -+ emm_switch.s.bus_id = slot->bus_id; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_SWITCH, emm_switch.u64); -+ slot->cached_switch = emm_switch.u64; -+ -+ cvmx_write_csr(host->base + OCT_MIO_EMM_WDOG, -+ ((u64)slot->clock * 850ull) / 1000ull); -+ cvmx_write_csr(host->base + OCT_MIO_EMM_STS_MASK, 0xe4f90080ull); -+ cvmx_write_csr(host->base + OCT_MIO_EMM_RCA, 1); -+ return 0; -+} -+ -+static int __init octeon_init_slot(struct octeon_mmc_host *host, int id, -+ int bus_width, int max_freq, -+ int ro_gpio, int cd_gpio, int pwr_gpio, -+ bool ro_low, bool cd_low, bool power_low, -+ u32 cmd_skew, u32 dat_skew) -+{ -+ struct mmc_host *mmc; -+ struct octeon_mmc_slot *slot; -+ u64 clock_period; -+ int ret; -+ -+ /* -+ * Allocate MMC structue -+ */ -+ mmc = mmc_alloc_host(sizeof(struct octeon_mmc_slot), &host->pdev->dev); -+ if (!mmc) { -+ dev_err(&host->pdev->dev, "alloc host failed\n"); -+ return -ENOMEM; -+ } -+ -+ slot = mmc_priv(mmc); -+ slot->mmc = mmc; -+ slot->host = host; -+ slot->ro_gpio = ro_gpio; -+ slot->cd_gpio = cd_gpio; -+ slot->pwr_gpio = pwr_gpio; -+ slot->ro_gpio_low = ro_low; -+ slot->cd_gpio_low = cd_low; -+ slot->pwr_gpio_low = power_low; -+ -+ if (slot->ro_gpio >= 0) { -+ ret = gpio_request(slot->ro_gpio, "mmc_ro"); -+ if (ret) { -+ dev_err(&host->pdev->dev, -+ "Could not request mmc_ro GPIO %d\n", -+ slot->ro_gpio); -+ return ret; -+ } -+ gpio_direction_input(slot->ro_gpio); -+ } -+ if (slot->cd_gpio >= 0) { -+ ret = gpio_request(slot->cd_gpio, "mmc_card_detect"); -+ if (ret) { -+ if (slot->ro_gpio >= 0) -+ gpio_free(slot->ro_gpio); -+ dev_err(&host->pdev->dev, "Could not request mmc_card_detect GPIO %d\n", -+ slot->cd_gpio); -+ return ret; -+ } -+ gpio_direction_input(slot->cd_gpio); -+ } -+ if (slot->pwr_gpio >= 0) { -+ ret = gpio_request(slot->pwr_gpio, "mmc_power"); -+ if (ret) { -+ dev_err(&host->pdev->dev, -+ "Could not request mmc_power GPIO %d\n", -+ slot->pwr_gpio); -+ if (slot->ro_gpio >= 0) -+ gpio_free(slot->ro_gpio); -+ if (slot->cd_gpio) -+ gpio_free(slot->cd_gpio); -+ return ret; -+ } -+ octeon_mmc_dbg("%s: Shutting off power to slot %d via gpio %d\n", -+ DRV_NAME, slot->bus_id, slot->pwr_gpio); -+ gpio_direction_output(slot->pwr_gpio, -+ slot->pwr_gpio_low); -+ } -+ /* -+ * Set up host parameters. -+ */ -+ mmc->ops = &octeon_mmc_ops; -+ mmc->f_min = 400000; -+ mmc->f_max = max_freq; -+ mmc->caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | -+ MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA | -+ MMC_CAP_ERASE; -+ mmc->ocr_avail = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30 | -+ MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33 | -+ MMC_VDD_33_34 | MMC_VDD_34_35 | MMC_VDD_35_36; -+ -+ /* post-sdk23 caps */ -+ mmc->caps |= -+ ((mmc->f_max >= 12000000) * MMC_CAP_UHS_SDR12) | -+ ((mmc->f_max >= 25000000) * MMC_CAP_UHS_SDR25) | -+ ((mmc->f_max >= 50000000) * MMC_CAP_UHS_SDR50) | -+ MMC_CAP_CMD23; -+ -+ if (host->global_pwr_gpio >= 0) -+ mmc->caps |= MMC_CAP_POWER_OFF_CARD; -+ -+ /* "1.8v" capability is actually 1.8-or-3.3v */ -+ if (ddr) -+ mmc->caps |= MMC_CAP_UHS_DDR50 | MMC_CAP_1_8V_DDR; -+ -+ mmc->max_segs = 64; -+ mmc->max_seg_size = host->linear_buf_size; -+ mmc->max_req_size = host->linear_buf_size; -+ mmc->max_blk_size = 512; -+ mmc->max_blk_count = mmc->max_req_size / 512; -+ -+ slot->clock = mmc->f_min; -+ slot->sclock = octeon_get_io_clock_rate(); -+ -+ clock_period = 1000000000000ull / slot->sclock; /* period in pS */ -+ slot->cmd_cnt = (cmd_skew + clock_period / 2) / clock_period; -+ slot->dat_cnt = (dat_skew + clock_period / 2) / clock_period; -+ -+ slot->bus_width = bus_width; -+ slot->bus_id = id; -+ slot->cached_rca = 1; -+ -+ /* Only a single user of the bootbus at a time. */ -+ octeon_mmc_acquire_bus(host); -+ host->slot[id] = slot; -+ -+ octeon_mmc_switch_to(slot); -+ /* Initialize MMC Block. */ -+ octeon_mmc_initlowlevel(slot, bus_width); -+ -+ octeon_mmc_release_bus(host); -+ -+ ret = mmc_add_host(mmc); -+ octeon_mmc_dbg("mmc_add_host returned %d\n", ret); -+ -+ return 0; -+} -+ -+static int octeon_mmc_probe(struct platform_device *pdev) -+{ -+ union cvmx_mio_emm_cfg emm_cfg; -+ struct octeon_mmc_host *host; -+ struct resource *res; -+ void __iomem *base; -+ int mmc_irq[9]; -+ int i; -+ int ret = 0; -+ struct device_node *node = pdev->dev.of_node; -+ bool cn78xx_style; -+ u64 t; -+ enum of_gpio_flags f; -+ -+ host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); -+ if (!host) -+ return -ENOMEM; -+ -+ spin_lock_init(&host->irq_handler_lock); -+ sema_init(&host->mmc_serializer, 1); -+ -+ cn78xx_style = of_device_is_compatible(node, "cavium,octeon-7890-mmc"); -+ if (cn78xx_style) { -+ host->need_bootbus_lock = false; -+ host->big_dma_addr = true; -+ host->need_irq_handler_lock = true; -+ /* -+ * First seven are the EMM_INT bits 0..6, then two for -+ * the EMM_DMA_INT bits -+ */ -+ for (i = 0; i < 9; i++) { -+ mmc_irq[i] = platform_get_irq(pdev, i); -+ if (mmc_irq[i] < 0) -+ return mmc_irq[i]; -+ } -+ } else { -+ host->need_bootbus_lock = true; -+ host->big_dma_addr = false; -+ host->need_irq_handler_lock = false; -+ /* First one is EMM second NDF_DMA */ -+ for (i = 0; i < 2; i++) { -+ mmc_irq[i] = platform_get_irq(pdev, i); -+ if (mmc_irq[i] < 0) -+ return mmc_irq[i]; -+ } -+ } -+ host->last_slot = -1; -+ -+ if (bb_size < 512 || bb_size >= (1 << 24)) -+ bb_size = 1 << 16; -+ host->linear_buf_size = bb_size; -+ host->linear_buf = devm_kzalloc(&pdev->dev, host->linear_buf_size, -+ GFP_KERNEL); -+ -+ if (!host->linear_buf) { -+ dev_err(&pdev->dev, "devm_kzalloc failed\n"); -+ return -ENOMEM; -+ } -+ -+ host->pdev = pdev; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!res) { -+ dev_err(&pdev->dev, "Platform resource[0] is missing\n"); -+ return -ENXIO; -+ } -+ base = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(base)) -+ return PTR_ERR(base); -+ host->base = (u64)base; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1); -+ if (!res) { -+ dev_err(&pdev->dev, "Platform resource[1] is missing\n"); -+ ret = -EINVAL; -+ goto err; -+ } -+ base = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(base)) { -+ ret = PTR_ERR(base); -+ goto err; -+ } -+ host->ndf_base = (u64)base; -+ /* -+ * Clear out any pending interrupts that may be left over from -+ * bootloader. -+ */ -+ t = cvmx_read_csr(host->base + OCT_MIO_EMM_INT); -+ cvmx_write_csr(host->base + OCT_MIO_EMM_INT, t); -+ if (cn78xx_style) { -+ /* Only CMD_DONE, DMA_DONE, CMD_ERR, DMA_ERR */ -+ for (i = 1; i <= 4; i++) { -+ ret = devm_request_irq(&pdev->dev, mmc_irq[i], -+ octeon_mmc_interrupt, -+ 0, DRV_NAME, host); -+ if (ret < 0) { -+ dev_err(&pdev->dev, "Error: devm_request_irq %d\n", -+ mmc_irq[i]); -+ goto err; -+ } -+ } -+ } else { -+ ret = devm_request_irq(&pdev->dev, mmc_irq[0], -+ octeon_mmc_interrupt, 0, DRV_NAME, host); -+ if (ret < 0) { -+ dev_err(&pdev->dev, "Error: devm_request_irq %d\n", -+ mmc_irq[0]); -+ goto err; -+ } -+ } -+ -+ ret = of_get_named_gpio_flags(node, "power-gpios", 0, &f); -+ if (ret == -EPROBE_DEFER) -+ goto err; -+ -+ host->global_pwr_gpio = ret; -+ host->global_pwr_gpio_low = -+ (host->global_pwr_gpio >= 0 && f == OF_GPIO_ACTIVE_LOW); -+ -+ if (host->global_pwr_gpio >= 0) { -+ ret = gpio_request(host->global_pwr_gpio, "mmc global power"); -+ if (ret) { -+ dev_err(&pdev->dev, -+ "Could not request mmc global power gpio %d\n", -+ host->global_pwr_gpio); -+ goto err; -+ } -+ dev_dbg(&pdev->dev, "Global power on\n"); -+ gpio_direction_output(host->global_pwr_gpio, -+ !host->global_pwr_gpio_low); -+ } -+ -+ platform_set_drvdata(pdev, host); -+ -+ for_each_child_of_node(pdev->dev.of_node, node) { -+ -+ int r; -+ u32 slot; -+ int ro_gpio, cd_gpio, pwr_gpio; -+ bool ro_low, cd_low, pwr_low; -+ u32 bus_width, max_freq, cmd_skew, dat_skew; -+ -+ if (!of_device_is_compatible(node, -+ "cavium,octeon-6130-mmc-slot")) { -+ pr_warn("Sub node isn't slot: %s\n", -+ of_node_full_name(node)); -+ continue; -+ } -+ -+ if (of_property_read_u32(node, "reg", &slot) != 0) { -+ pr_warn("Missing or invalid reg property on %s\n", -+ of_node_full_name(node)); -+ continue; -+ } -+ -+ r = of_property_read_u32(node, "cavium,bus-max-width", -+ &bus_width); -+ if (r) { -+ bus_width = 8; -+ pr_info("Bus width not found for slot %d, defaulting to %d\n", -+ slot, bus_width); -+ } else { -+ switch (bus_width) { -+ case 1: -+ case 4: -+ case 8: -+ break; -+ default: -+ pr_warn("Invalid bus width property for slot %d\n", -+ slot); -+ continue; -+ } -+ } -+ -+ r = of_property_read_u32(node, "cavium,cmd-clk-skew", -+ &cmd_skew); -+ if (r) -+ cmd_skew = 0; -+ -+ r = of_property_read_u32(node, "cavium,dat-clk-skew", -+ &dat_skew); -+ if (r) -+ dat_skew = 0; -+ -+ r = of_property_read_u32(node, "spi-max-frequency", &max_freq); -+ if (r) { -+ max_freq = 52000000; -+ pr_info("No spi-max-frequency for slot %d, defaulting to %d\n", -+ slot, max_freq); -+ } -+ -+ ro_gpio = of_get_named_gpio_flags(node, "wp-gpios", 0, &f); -+ ro_low = (ro_gpio >= 0 && f == OF_GPIO_ACTIVE_LOW); -+ cd_gpio = of_get_named_gpio_flags(node, "cd-gpios", 0, &f); -+ cd_low = (cd_gpio >= 0 && f == OF_GPIO_ACTIVE_LOW); -+ pwr_gpio = of_get_named_gpio_flags(node, "power-gpios", 0, &f); -+ pwr_low = (pwr_gpio >= 0 && f == OF_GPIO_ACTIVE_LOW); -+ -+ ret = octeon_init_slot(host, slot, bus_width, max_freq, -+ ro_gpio, cd_gpio, pwr_gpio, -+ ro_low, cd_low, pwr_low, -+ cmd_skew, dat_skew); -+ octeon_mmc_dbg("init slot %d, ret = %d\n", slot, ret); -+ if (ret) -+ goto err; -+ } -+ -+ return ret; -+ -+err: -+ dev_err(&pdev->dev, "Probe failed: %d\n", ret); -+ -+ /* Disable MMC controller */ -+ emm_cfg.s.bus_ena = 0; -+ cvmx_write_csr(host->base + OCT_MIO_EMM_CFG, emm_cfg.u64); -+ -+ if (host->global_pwr_gpio >= 0) { -+ dev_dbg(&pdev->dev, "Global power off\n"); -+ gpio_set_value_cansleep(host->global_pwr_gpio, -+ host->global_pwr_gpio_low); -+ gpio_free(host->global_pwr_gpio); -+ } -+ -+ return ret; -+} -+ -+static int octeon_mmc_remove(struct platform_device *pdev) -+{ -+ union cvmx_mio_ndf_dma_cfg ndf_dma_cfg; -+ struct octeon_mmc_host *host = platform_get_drvdata(pdev); -+ struct octeon_mmc_slot *slot; -+ -+ platform_set_drvdata(pdev, NULL); -+ -+ if (host) { -+ int i; -+ -+ /* quench all users */ -+ for (i = 0; i < OCTEON_MAX_MMC; i++) { -+ slot = host->slot[i]; -+ if (slot) -+ mmc_remove_host(slot->mmc); -+ } -+ -+ /* Reset bus_id */ -+ ndf_dma_cfg.u64 = -+ cvmx_read_csr(host->ndf_base + OCT_MIO_NDF_DMA_CFG); -+ ndf_dma_cfg.s.en = 0; -+ cvmx_write_csr(host->ndf_base + OCT_MIO_NDF_DMA_CFG, -+ ndf_dma_cfg.u64); -+ -+ for (i = 0; i < OCTEON_MAX_MMC; i++) { -+ struct octeon_mmc_slot *slot; -+ -+ slot = host->slot[i]; -+ if (!slot) -+ continue; -+ /* Free the GPIOs */ -+ if (slot->ro_gpio >= 0) -+ gpio_free(slot->ro_gpio); -+ if (slot->cd_gpio >= 0) -+ gpio_free(slot->cd_gpio); -+ if (slot->pwr_gpio >= 0) { -+ gpio_set_value_cansleep(slot->pwr_gpio, -+ slot->pwr_gpio_low); -+ gpio_free(slot->pwr_gpio); -+ } -+ } -+ -+ if (host->global_pwr_gpio >= 0) { -+ dev_dbg(&pdev->dev, "Global power off\n"); -+ gpio_set_value_cansleep(host->global_pwr_gpio, -+ host->global_pwr_gpio_low); -+ gpio_free(host->global_pwr_gpio); -+ } -+ -+ for (i = 0; i < OCTEON_MAX_MMC; i++) { -+ slot = host->slot[i]; -+ if (slot) -+ mmc_free_host(slot->mmc); -+ } -+ -+ } -+ return 0; -+} -+ -+static struct of_device_id octeon_mmc_match[] = { -+ { -+ .compatible = "cavium,octeon-6130-mmc", -+ }, -+ { -+ .compatible = "cavium,octeon-7890-mmc", -+ }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, octeon_mmc_match); -+ -+static struct platform_driver octeon_mmc_driver = { -+ .probe = octeon_mmc_probe, -+ .remove = octeon_mmc_remove, -+ .driver = { -+ .name = DRV_NAME, -+ .owner = THIS_MODULE, -+ .of_match_table = octeon_mmc_match, -+ }, -+}; -+ -+static int __init octeon_mmc_init(void) -+{ -+ int ret; -+ -+ octeon_mmc_dbg("calling octeon_mmc_init\n"); -+ -+ ret = platform_driver_register(&octeon_mmc_driver); -+ octeon_mmc_dbg("driver probe returned %d\n", ret); -+ -+ if (ret) -+ pr_err("%s: Failed to register driver\n", DRV_NAME); -+ -+ return ret; -+} -+ -+static void __exit octeon_mmc_cleanup(void) -+{ -+ /* Unregister MMC driver */ -+ platform_driver_unregister(&octeon_mmc_driver); -+} -+ -+module_init(octeon_mmc_init); -+module_exit(octeon_mmc_cleanup); -+ -+MODULE_AUTHOR("Cavium Inc. "); -+MODULE_DESCRIPTION("low-level driver for Cavium OCTEON MMC/SSD card"); -+MODULE_LICENSE("GPL"); diff --git a/target/linux/octeon/patches-4.4/160-cmdline-hack.patch b/target/linux/octeon/patches-4.4/160-cmdline-hack.patch deleted file mode 100644 index 6e042ef714..0000000000 --- a/target/linux/octeon/patches-4.4/160-cmdline-hack.patch +++ /dev/null @@ -1,47 +0,0 @@ ---- a/arch/mips/cavium-octeon/setup.c -+++ b/arch/mips/cavium-octeon/setup.c -@@ -611,6 +611,35 @@ void octeon_user_io_init(void) - write_c0_derraddr1(0); - } - -+#ifdef CONFIG_IMAGE_CMDLINE_HACK -+extern char __image_cmdline[]; -+ -+static int __init octeon_use_image_cmdline(void) -+{ -+ char *p = __image_cmdline; -+ int replace = 0; -+ -+ if (*p == '-') { -+ replace = 1; -+ p++; -+ } -+ -+ if (*p == '\0') -+ return 0; -+ -+ if (replace) { -+ strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline)); -+ } else { -+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); -+ strlcat(arcs_cmdline, p, sizeof(arcs_cmdline)); -+ } -+ -+ return 1; -+} -+#else -+static inline int octeon_use_image_cmdline(void) { return 0; } -+#endif -+ - /** - * Early entry point for arch setup - */ -@@ -842,6 +871,8 @@ void __init prom_init(void) - } - } - -+ octeon_use_image_cmdline(); -+ - if (strstr(arcs_cmdline, "console=") == NULL) { - #ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL - strcat(arcs_cmdline, " console=ttyS0,115200"); diff --git a/target/linux/octeon/patches-4.4/170-cisco-hack.patch b/target/linux/octeon/patches-4.4/170-cisco-hack.patch deleted file mode 100644 index b975eef5f0..0000000000 --- a/target/linux/octeon/patches-4.4/170-cisco-hack.patch +++ /dev/null @@ -1,31 +0,0 @@ -From patchwork Wed Jun 8 13:49:26 2016 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 8bit -Subject: [LEDE-DEV] cavium: Ignore MEM boot param when too small -From: =?utf-8?q?Micha=C5=82_Osowiecki?= -X-Patchwork-Id: 632273 -Message-Id: <57582266.8020105@gmail.com> -To: lede-dev@lists.infradead.org -Date: Wed, 8 Jun 2016 15:49:26 +0200 - -Cisco RV0XX u-boot sets MEM=2048 as boot param. We assume that at least -4MB (mem_alloc_size) of ram is needed to run linux on cavium boards, so -if mem < 4M - ignore it and set default value - - -Signed-off-by: Michał Osowiecki - ---- a/arch/mips/cavium-octeon/setup.c -+++ b/arch/mips/cavium-octeon/setup.c -@@ -944,6 +944,10 @@ void __init plat_mem_setup(void) - if (mem_alloc_size > MAX_MEMORY) - mem_alloc_size = MAX_MEMORY; - -+ /* Ignore bootarg MEM <= 4MB - cisco uses a b0rked uboot env on their products */ -+ if (MAX_MEMORY <= mem_alloc_size) -+ MAX_MEMORY = 512ull << 20; -+ - /* Crashkernel ignores bootmem list. It relies on mem=X@Y option */ - #ifdef CONFIG_CRASH_DUMP - add_memory_region(RESERVE_LOW_MEM, MAX_MEMORY, BOOT_MEM_RAM);