oxnas: bring in new oxnas target

Reboot the oxnas target based on Linux 4.14 by rebasing our support on
top of the now-existing upstream kernel support.
This commit brings oxnas support to the level of v4.17 having upstream
drivers for Ethernet, Serial and NAND flash.
Botch up OpenWrt's local drivers for EHCI, SATA and PCIe based on the
new platform code and device-tree.
Re-introduce base-files from old oxnas target which works for now but
needs further clean-up towards generic board support.

Functional issues:
 * PCIe won't come up (hence no USB3 on Shuttle KD20)
 * I2C bus of Akitio myCloud device is likely not to work (missing
   debounce support in new pinctrl driver)

Code-style issues:
 * plla/pllb needs further cleanup -- currently their users or writing
   into the syscon regmap after acquireling the clk instead of using
   defined clk_*_*() functions to setup multipliers and dividors.
 * PCIe phy needs its own little driver.
 * SATA driver is a monster and should be split into an mfd having
   a raidctrl regmap, sata controller, sata ports and sata phy.

Tested on MitraStar STG-212 aka. Medion Akoya MD86xxx and Shuttle KD20.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
v19.07.3_mercusys_ac12_duma
Daniel Golle 6 years ago
parent d44b7b7d31
commit dcc34574ef

@ -350,6 +350,7 @@
#define CONFIG_CMD_GETTIME
#define CONFIG_CMD_BOOTMENU
#define CONFIG_CMD_ELF
#define CONFIG_CMD_BOOZ
#define CONFIG_DOS_PARTITION
#define CONFIG_EFI_PARTITION

@ -0,0 +1,22 @@
include $(TOPDIR)/rules.mk
ARCH:=arm
BOARD:=oxnas
BOARDNAME:=PLXTECH/Oxford NAS782x/OX8xx
SUBTARGETS:=ox810se ox820
FEATURES:=gpio ramdisk rtc squashfs
DEVICE_TYPE:=nas
MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
KERNEL_PATCHVER:=4.14
include $(INCLUDE_DIR)/target.mk
DEFAULT_PACKAGES += \
kmod-button-hotplug kmod-input-gpio-keys-polled \
kmod-ledtrig-timer kmod-leds-gpio uboot-envtools
KERNELNAME:=zImage dtbs
$(eval $(call BuildTarget))

@ -0,0 +1,27 @@
#!/bin/sh
. /lib/functions/uci-defaults.sh
board=$(board_name)
board_config_update
case $board in
akitio)
ucidef_set_led_default "status" "status" "akitio:red:status" "0"
;;
stg212)
ucidef_set_led_default "power" "power" "zyxel:blue:status" "1"
ucidef_set_led_usbdev "usb" "USB" "zyxel:orange:copy" "1-1"
;;
kd20)
ucidef_set_led_default "power" "power" "kd20:blue:status" "1"
;;
pogoplug-pro | pogoplug-v3)
ucidef_set_led_default "power" "power" "pogoplug:blue:internal" "1"
;;
esac
board_config_flush
exit 0

@ -0,0 +1,22 @@
#!/bin/sh
. /lib/functions/uci-defaults.sh
. /lib/functions/system.sh
. /lib/oxnas.sh
board_config_update
lan_mac=""
case "$(board_name)" in
kd20)
lan_mac="$(legacy_boot_mac_adr)"
;;
esac
ucidef_set_interface_lan "eth0" "dhcp"
[ -n "$lan_mac" ] && ucidef_set_interface_macaddr "lan" "$lan_mac"
board_config_flush
exit 0

@ -0,0 +1,41 @@
#!/bin/sh
# Copyright (C) 2009-2013 OpenWrt.org
. /lib/functions.sh
. /lib/functions/leds.sh
get_status_led() {
case $(board_name) in
akitio)
status_led="akitio:red:status"
;;
stg212)
status_led="zyxel:blue:status"
;;
kd20)
status_led="kd20:blue:status"
;;
pogoplug-pro | pogoplug-v3)
status_led="pogoplug:blue:internal"
;;
esac
}
set_state() {
get_status_led
case "$1" in
preinit)
status_led_blink_preinit
;;
failsafe)
status_led_blink_failsafe
;;
preinit_regular)
status_led_blink_preinit_regular
;;
done)
status_led_on
;;
esac
}

@ -0,0 +1,22 @@
#!/bin/sh /etc/rc.common
START=99
get_irq() {
local name="$1"
grep -m 1 "$name" /proc/interrupts | cut -d: -f1 | sed 's, *,,'
}
set_irq_affinity() {
local name="$1"
local val="$2"
local irq="$(get_irq "$name")"
[ -n "$irq" ] || return
echo "$val" > "/proc/irq/$irq/smp_affinity"
}
start() {
set_irq_affinity ehci_hcd 2
set_irq_affinity xhci_hcd 2
set_irq_affinity sata 2
}

@ -0,0 +1,66 @@
#!/bin/sh
#
# Copyright (C) 2013 OpenWrt.org
#
OXNAS_BOARD_NAME=
OXNAS_MODEL=
bootloader_cmdline_var() {
local param
local pval
for arg in $(cat /proc/device-tree/chosen/bootloader-args); do
param="$(echo $arg | cut -d'=' -f 1)"
pval="$(echo $arg | cut -d'=' -f 2-)"
if [ "$param" = "$1" ]; then
echo "$pval"
fi
done
}
legacy_boot_mac_adr() {
local macstr
local oIFS
macstr="$(bootloader_cmdline_var mac_adr)"
oIFS="$IFS"
IFS=","
set -- $macstr
printf "%02x:%02x:%02x:%02x:%02x:%02x" $1 $2 $3 $4 $5 $6
IFS="$oIFS"
}
oxnas_board_detect() {
local machine
local name
machine=$(cat /proc/device-tree/model)
case "$machine" in
*"Akitio MyCloud mini"*)
name="akitio"
;;
*"MitraStar Technology Corp. STG-212"*)
name="stg212"
;;
*"Shuttle KD20"*)
name="kd20"
;;
*"Pogoplug Pro"*)
name="pogoplug-pro"
;;
*"Pogoplug V3"*)
name="pogoplug-v3"
;;
esac
[ -z "$name" ] && name="unknown"
[ -z "$OXNAS_BOARD_NAME" ] && OXNAS_BOARD_NAME="$name"
[ -z "$OXNAS_MODEL" ] && OXNAS_MODEL="$machine"
[ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
echo "$OXNAS_BOARD_NAME" > /tmp/sysinfo/board_name
echo "$OXNAS_MODEL" > /tmp/sysinfo/model
}

@ -0,0 +1,9 @@
#!/bin/sh
do_oxnas() {
. /lib/oxnas.sh
oxnas_board_detect
}
boot_hook_add preinit_main do_oxnas

@ -0,0 +1,18 @@
#
# Copyright (C) 2014 OpenWrt.org
#
REQUIRE_IMAGE_METADATA=1
platform_check_image() {
local board=$(board_name)
[ "$ARGC" -gt 1 ] && return 1
nand_do_platform_check $board $1
return $?
}
platform_do_upgrade() {
nand_do_upgrade $1
}

@ -0,0 +1,359 @@
CONFIG_ALIGNMENT_TRAP=y
CONFIG_ARCH_CLOCKSOURCE_DATA=y
CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
CONFIG_ARCH_HAS_RESET_CONTROLLER=y
CONFIG_ARCH_HAS_SET_MEMORY=y
CONFIG_ARCH_HAS_SG_CHAIN=y
CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_ARCH_MULTIPLATFORM=y
CONFIG_ARCH_NR_GPIO=0
CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
# CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set
CONFIG_ARCH_OXNAS=y
# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=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_GENERAL_HUGETLB=y
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
CONFIG_ARM=y
CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND is not set
# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER is not set
CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE=y
CONFIG_ARM_CPUIDLE=y
CONFIG_ARM_CPU_SUSPEND=y
CONFIG_ARM_HAS_SG_CHAIN=y
CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_PATCH_PHYS_VIRT=y
CONFIG_ARM_PMU=y
# CONFIG_ARM_SMMU is not set
CONFIG_ARM_THUMB=y
CONFIG_ARM_TIMER_SP804=y
CONFIG_ARM_UNWIND=y
CONFIG_ATAGS=y
CONFIG_AUTO_ZRELADDR=y
CONFIG_BINARY_PRINTF=y
CONFIG_BLK_CMDLINE_PARSER=y
CONFIG_BLK_DEBUG_FS=y
CONFIG_BLK_DEV_BSG=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=65536
CONFIG_BLK_MQ_PCI=y
CONFIG_BLK_SCSI_REQUEST=y
# CONFIG_BPF_SYSCALL is not set
CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLKSRC_MMIO=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CMA=y
CONFIG_CMA_ALIGNMENT=8
CONFIG_CMA_AREAS=7
# CONFIG_CMA_DEBUG is not set
# CONFIG_CMA_DEBUGFS is not set
CONFIG_CMA_SIZE_MBYTES=64
# CONFIG_CMA_SIZE_SEL_MAX is not set
CONFIG_CMA_SIZE_SEL_MBYTES=y
# CONFIG_CMA_SIZE_SEL_MIN is not set
# CONFIG_CMA_SIZE_SEL_PERCENTAGE is not set
CONFIG_CMDLINE_PARTITION=y
CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_OXNAS=y
CONFIG_COMPACTION=y
CONFIG_COMPAT_BRK=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_COREDUMP=y
CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
CONFIG_CRASH_CORE=y
CONFIG_CRC16=y
# CONFIG_CRC32_SARWATE is not set
CONFIG_CRC32_SLICEBY8=y
CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_CRYPTO_ACOMP2=y
# CONFIG_CRYPTO_ARC4 is not set
CONFIG_CRYPTO_CRC32C=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_HW=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_WORKQUEUE=y
CONFIG_DEBUG_ALIGN_RODATA=y
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_USER is not set
CONFIG_DECOMPRESS_BZIP2=y
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_LZ4=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_DECOMPRESS_XZ=y
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_IOSCHED="cfq"
CONFIG_DEVMEM=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_DMA_CMA=y
CONFIG_DNOTIFY=y
CONFIG_DTC=y
CONFIG_DT_IDLE_STATES=y
CONFIG_DUMMY_CONSOLE=y
# CONFIG_DWMAC_DWC_QOS_ETH is not set
CONFIG_DWMAC_GENERIC=y
CONFIG_DWMAC_OXNAS=y
CONFIG_EARLY_PRINTK=y
# CONFIG_EDAC_SUPPORT is not set
CONFIG_ELF_CORE=y
CONFIG_FIXED_PHY=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_GENERIC_EARLY_IOREMAP=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_GENERIC_IO=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_PINCONF=y
CONFIG_GENERIC_SCHED_CLOCK=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GLOB=y
CONFIG_GPIOLIB=y
CONFIG_GPIOLIB_IRQCHIP=y
CONFIG_GPIO_GENERIC=y
CONFIG_GPIO_GENERIC_PLATFORM=y
CONFIG_GRO_CELLS=y
CONFIG_HANDLE_DOMAIN_IRQ=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
CONFIG_HAVE_ARCH_AUDITSYSCALL=y
# CONFIG_HAVE_ARCH_BITREVERSE is not set
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_HAVE_ARCH_PFN_VALID=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
CONFIG_HAVE_CC_STACKPROTECTOR=y
CONFIG_HAVE_CLK=y
CONFIG_HAVE_CLK_PREPARE=y
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_HAVE_DEBUG_KMEMLEAK=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y
CONFIG_HAVE_EBPF_JIT=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_MEMBLOCK=y
CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
CONFIG_HAVE_NET_DSA=y
CONFIG_HAVE_OPROFILE=y
CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_UID16=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_HID=y
CONFIG_HID_GENERIC=y
CONFIG_HWMON=y
CONFIG_HW_CONSOLE=y
CONFIG_HZ_FIXED=0
CONFIG_ICPLUS_PHY=y
CONFIG_INET_DIAG=y
# CONFIG_INET_DIAG_DESTROY is not set
# CONFIG_INET_RAW_DIAG is not set
CONFIG_INET_TCP_DIAG=y
CONFIG_INET_XFRM_MODE_BEET=y
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_INPUT=y
CONFIG_IOMMU_HELPER=y
# CONFIG_IOMMU_IO_PGTABLE_ARMV7S is not set
# CONFIG_IOMMU_IO_PGTABLE_LPAE is not set
CONFIG_IOMMU_SUPPORT=y
CONFIG_IOSCHED_CFQ=y
CONFIG_IRQCHIP=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_WORK=y
# CONFIG_ISDN is not set
CONFIG_JBD2=y
# CONFIG_JFFS2_FS is not set
CONFIG_KALLSYMS=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_XZ is not set
CONFIG_KEXEC=y
CONFIG_KEXEC_CORE=y
# CONFIG_LEDS_BRIGHTNESS_HW_CHANGED is not set
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_TRIGGER_CPU=y
CONFIG_LEDS_TRIGGER_GPIO=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
# CONFIG_LEDS_TRIGGER_NETDEV is not set
CONFIG_LEDS_TRIGGER_ONESHOT=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
CONFIG_LIBFDT=y
CONFIG_LOCALVERSION_AUTO=y
CONFIG_LZ4_DECOMPRESS=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_MDIO_BUS=y
CONFIG_MDIO_DEVICE=y
CONFIG_MEMORY_ISOLATION=y
CONFIG_MFD_SYSCON=y
CONFIG_MIGRATION=y
CONFIG_MODULES_TREE_LOOKUP=y
CONFIG_MODULES_USE_ELF_REL=y
CONFIG_MULTI_IRQ_HANDLER=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NET_PTP_CLASSIFY=y
CONFIG_NLS=y
CONFIG_NOP_TRACER=y
CONFIG_NO_BOOTMEM=y
CONFIG_NO_HZ=y
CONFIG_NO_HZ_COMMON=y
CONFIG_NO_HZ_IDLE=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_NET=y
CONFIG_OF_PCI=y
CONFIG_OF_PCI_IRQ=y
CONFIG_OF_RESERVED_MEM=y
CONFIG_OLD_SIGACTION=y
CONFIG_OLD_SIGSUSPEND3=y
CONFIG_OXNAS_RPS_TIMER=y
CONFIG_PAGE_OFFSET=0xC0000000
# CONFIG_PANIC_ON_OOPS is not set
CONFIG_PANIC_ON_OOPS_VALUE=0
CONFIG_PANIC_TIMEOUT=0
CONFIG_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PGTABLE_LEVELS=2
CONFIG_PHYLIB=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_OXNAS=y
# CONFIG_PINCTRL_SINGLE is not set
CONFIG_PM=y
CONFIG_PM_CLK=y
# CONFIG_PM_DEBUG is not set
CONFIG_PM_SLEEP=y
CONFIG_PPS=y
CONFIG_PROBE_EVENTS=y
CONFIG_PTP_1588_CLOCK=y
CONFIG_RAS=y
CONFIG_RATIONAL=y
CONFIG_RCU_TRACE=y
CONFIG_RD_BZIP2=y
CONFIG_RD_GZIP=y
CONFIG_RD_LZ4=y
CONFIG_RD_LZMA=y
CONFIG_RD_LZO=y
CONFIG_RD_XZ=y
CONFIG_REALTEK_PHY=y
CONFIG_REGMAP=y
CONFIG_REGMAP_MMIO=y
CONFIG_RESET_CONTROLLER=y
CONFIG_RESET_OXNAS=y
CONFIG_RING_BUFFER=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_SCHED_DEBUG=y
# CONFIG_SCHED_INFO is not set
# CONFIG_SCSI_DMA is not set
CONFIG_SERIAL_8250_DEPRECATED_OPTIONS=y
CONFIG_SERIAL_8250_FSL=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_SERIO=y
CONFIG_SERIO_LIBPS2=y
CONFIG_SERIO_SERPORT=y
CONFIG_SIMPLE_PM_BUS=y
CONFIG_SLUB_DEBUG=y
CONFIG_SOCK_DIAG=y
CONFIG_SPARSE_IRQ=y
CONFIG_SRCU=y
CONFIG_STACKTRACE=y
# CONFIG_STAGING is not set
CONFIG_STMMAC_ETH=y
CONFIG_STMMAC_PLATFORM=y
# CONFIG_STRIP_ASM_SYMS is not set
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
CONFIG_SWIOTLB=y
CONFIG_SWPHY=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TIMER_OF=y
CONFIG_TIMER_PROBE=y
CONFIG_UEVENT_HELPER_PATH=""
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_UPROBES=y
CONFIG_UPROBE_EVENTS=y
CONFIG_USB_SUPPORT=y
# CONFIG_USERIO is not set
CONFIG_USE_OF=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_VERSATILE_FPGA_IRQ=y
CONFIG_VERSATILE_FPGA_IRQ_NR=4
CONFIG_VFAT_FS=y
# CONFIG_VFP is not set
# CONFIG_VLAN_8021Q is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_VT_CONSOLE_SLEEP=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
# CONFIG_WATCHDOG is not set
# CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_BCJ=y
CONFIG_XZ_DEC_IA64=y
CONFIG_XZ_DEC_POWERPC=y
CONFIG_XZ_DEC_SPARC=y
CONFIG_XZ_DEC_X86=y
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZLIB_DEFLATE=y
CONFIG_ZLIB_INFLATE=y

@ -0,0 +1,157 @@
/dts-v1/;
#include "ox820.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "Akitio MyCloud";
compatible = "akitio,mycloud", "oxsemi,ox820";
chosen {
bootargs = "earlyprintk";
stdout-path = "serial0:115200n8";
};
memory {
/* 128Mbytes DDR */
reg = <0x60000000 0x8000000>;
};
aliases {
serial0 = &uart0;
gpio0 = &gpio0;
gpio1 = &gpio1;
};
i2c-gpio {
compatible = "i2c-gpio";
gpios = <&gpio1 9 0 &gpio1 10 0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c>;
i2c-gpio,delay-us = <10>;
#address-cells = <1>;
#size-cells = <0>;
ds1307: rtc@68 {
compatible = "dallas,ds1307";
reg = <0x68>;
};
};
gpio-keys-polled {
compatible = "gpio-keys-polled";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_buttons>;
#address-cells = <1>;
#size-cells = <0>;
poll-interval = <100>;
power {
label = "power";
gpios = <&gpio0 11 1>;
linux,code = <KEY_POWER>;
};
reset {
label = "reset";
gpios = <&gpio1 6 1>;
linux,code = <KEY_RESTART>;
};
};
gpio-leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_leds>;
status {
label = "akitio:red:status";
gpios = <&gpio0 29 0>;
};
};
gpio-poweroff {
compatible = "gpio-poweroff";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_poweroff>;
gpios = <&gpio1 13 2>;
};
};
&pinctrl {
pinctrl_i2c: i2c-0 {
i2c {
pins = "gpio41", "gpio42"; /* MF_B9, MF_B10 */
function = "gpio";
/* ToDo: find a way to set debounce for those pins */
};
};
pinctrl_buttons: buttons-0 {
buttons {
pins = "gpio11", "gpio38"; /* MF_A11, MF_B6 GPIO */
function = "gpio";
};
};
pinctrl_leds: leds-0 {
leds {
pins = "gpio29"; /* MF_A29 GPIO */
function = "gpio";
};
};
pinctrl_poweroff: poweroff-0 {
poweroff {
pins = "gpio45"; /* MF_B13 GPIO */
function = "gpio";
};
};
};
&uart0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
};
&nandc {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand>;
nand@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <1>;
nand-ecc-mode = "soft";
nand-ecc-algo = "hamming";
partition@0 {
label = "boot";
reg = <0x0 0x26c0000>;
};
partition@26c0000 {
label = "ubi";
reg = <0x26c0000 0xd940000>;
};
};
};
&etha {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_etha_mdio>;
};
&ehci {
status = "okay";
};
&sata {
status = "okay";
nr-ports = <2>;
};
&pcie0 {
status = "okay";
};

@ -0,0 +1,98 @@
/*
* cloudengines-pogoplug-series-3.dtsi - Device tree file for Cloud Engines PogoPlug Series 3
*
* Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
*
* Licensed under GPLv2 or later
*/
/dts-v1/;
#include "ox820.dtsi"
/ {
model = "Cloud Engines PogoPlug Pro";
compatible = "cloudengines,pogoplugpro", "oxsemi,ox820";
chosen {
bootargs = "earlyprintk";
stdout-path = "serial0:115200n8";
};
memory {
/* 128Mbytes DDR */
reg = <0x60000000 0x8000000>;
};
aliases {
serial0 = &uart0;
gpio0 = &gpio0;
gpio1 = &gpio1;
};
leds {
compatible = "gpio-leds";
blue {
label = "pogoplug:blue";
gpios = <&gpio0 2 0>;
default-state = "keep";
};
orange {
label = "pogoplug:orange";
gpios = <&gpio1 16 1>;
default-state = "keep";
};
green {
label = "pogoplug:green";
gpios = <&gpio1 17 1>;
default-state = "keep";
};
};
};
&uart0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
};
&nandc {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand>;
nand@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <1>;
nand-ecc-mode = "soft";
nand-ecc-algo = "hamming";
partition@0 {
label = "boot";
reg = <0x00000000 0x00e00000>;
read-only;
};
partition@e00000 {
label = "ubi";
reg = <0x00e00000 0x07200000>;
};
};
};
&etha {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_etha_mdio>;
};
&pcie0 {
status = "okay";
};

@ -0,0 +1,116 @@
/dts-v1/;
#include "ox820.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "MitraStar Technology Corp. STG-212";
compatible = "mitrastar,stg-212", "oxsemi,ox820";
chosen {
bootargs = "earlyprintk";
stdout-path = "serial0:115200n8";
};
memory {
/* 128Mbytes DDR */
reg = <0x60000000 0x8000000>;
};
aliases {
serial0 = &uart0;
gpio0 = &gpio0;
gpio1 = &gpio1;
};
gpio-keys-polled {
compatible = "gpio-keys-polled";
#address-cells = <1>;
#size-cells = <0>;
poll-interval = <100>;
reset {
label = "reset";
gpios = <&gpio1 11 1>;
linux,code = <KEY_RESTART>;
};
copy {
label = "copy";
gpios = <&gpio1 13 1>;
linux,code = <KEY_COPY>;
};
};
gpio-leds {
compatible = "gpio-leds";
status {
label = "zyxel:blue:status";
gpios = <&gpio1 5 0>;
};
status2 {
label = "zyxel:red:status";
gpios = <&gpio1 6 1>;
};
copy {
label = "zyxel:orange:copy";
gpios = <&gpio1 8 1>;
};
};
i2c-gpio {
compatible = "i2c-gpio";
gpios = <&gpio1 9 0 &gpio1 10 0>;
i2c-gpio,delay-us = <10>;
};
};
&uart0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
};
&nandc {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand>;
nand@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <1>;
nand-ecc-mode = "soft";
nand-ecc-algo = "hamming";
partition@0 {
label = "boot";
reg = <0x00000000 0x00e00000>;
read-only;
};
partition@e00000 {
label = "ubi";
reg = <0x00e00000 0x07200000>;
};
};
};
&etha {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_etha_mdio>;
};
&ehci {
status = "okay";
};
&sata {
status = "okay";
};

@ -0,0 +1,187 @@
/dts-v1/;
#include "ox820.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "Shuttle KD20";
compatible = "shuttle,kd20", "oxsemi,ox820";
chosen {
bootargs = "earlyprintk";
stdout-path = "serial0:115200n8";
};
memory {
/* 128Mbytes DDR */
reg = <0x60000000 0x8000000>;
};
aliases {
serial0 = &uart0;
gpio0 = &gpio0;
gpio1 = &gpio1;
};
i2c-gpio {
compatible = "i2c-gpio";
gpios = <&gpio1 9 0 &gpio1 10 0>;
i2c-gpio,delay-us = <10>;
#address-cells = <1>;
#size-cells = <0>;
rtc0: rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
};
};
gpio-keys-polled {
compatible = "gpio-keys-polled";
#address-cells = <1>;
#size-cells = <0>;
poll-interval = <100>;
power {
label = "power";
gpios = <&gpio0 10 1>;
linux,code = <KEY_POWER>;
};
reset {
label = "reset";
gpios = <&gpio0 11 1>;
linux,code = <KEY_RESTART>;
};
eject1 {
label = "eject1";
gpios = <&gpio0 5 1>;
linux,code = <KEY_EJECTCD>;
};
eject2 {
label = "eject2";
gpios = <&gpio0 6 1>;
linux,code = <162>;
};
};
gpio-leds {
compatible = "gpio-leds";
status {
label = "kd20:blue:status";
gpios = <&gpio1 16 0>;
};
status2 {
label = "kd20:red:status";
gpios = <&gpio1 17 0>;
};
hdd1blue {
label = "kd20:blue:hdd1";
gpios = <&gpio0 27 0>;
linux,default-trigger = "ata1";
};
hdd1red {
label = "kd20:red:hdd1";
gpios = <&gpio1 4 0>;
};
hdd2blue {
label = "kd20:blue:hdd2";
gpios = <&gpio1 6 0>;
linux,default-trigger = "ata2";
};
hdd2red {
label = "kd20:red:hdd2";
gpios = <&gpio1 7 0>;
};
usb {
label = "kd20:blue:usb";
gpios = <&gpio1 8 0>;
};
};
beeper: beeper {
compatible = "gpio-beeper";
gpios = <&gpio1 11 0>;
};
gpio-fan {
compatible = "gpio-fan";
gpios = <&gpio0 2 1>;
gpio-fan,speed-map = <0 0
3000 1>;
};
gpio-poweroff {
compatible = "gpio-poweroff";
gpios = <&gpio0 9 0>;
};
};
&uart0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
};
&nandc {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand>;
nand@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <1>;
nand-ecc-mode = "soft";
nand-ecc-algo = "hamming";
partition@0 {
label = "stage1";
reg = <0x00000000 0x00040000>;
read-only;
};
partition@40000 {
label = "u-boot";
reg = <0x00040000 0x00200000>;
read-only;
};
partition@240000 {
label = "initrd";
reg = <0x00240000 0x00600000>;
};
partition@840000 {
label = "kernel";
reg = <0x00840000 0x007C0000>;
};
partition@e00000 {
label = "ubi";
reg = <0x01000000 0x07000000>;
};
};
};
&etha {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_etha_mdio>;
};
&ehci {
status = "okay";
};
&sata {
status = "okay";
nr-ports = <2>;
};
&pcie0 {
status = "okay";
};

@ -0,0 +1,32 @@
/* linux/include/asm-arm/arch-oxnas/uncompress.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_UNCOMPRESS_H
#define __ASM_ARCH_UNCOMPRESS_H
#define OXNAS_UART1_BASE 0x44200000
static inline void putc(int c)
{
static volatile unsigned char *uart =
(volatile unsigned char *)OXNAS_UART1_BASE;
while (!(uart[5] & 0x20)) { /* LSR reg THR empty bit */
barrier();
}
uart[0] = c; /* THR register */
}
static inline void flush(void)
{
}
#define arch_decomp_setup()
#define arch_decomp_wdog()
#endif /* __ASM_ARCH_UNCOMPRESS_H */

File diff suppressed because it is too large Load Diff

@ -0,0 +1,946 @@
/*
* PCIe driver for PLX NAS782X SoCs
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/mbus.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/of_address.h>
#include <linux/of_pci.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/reset.h>
#include <linux/io.h>
#include <linux/sizes.h>
#define OXNAS_UART1_BASE 0x44200000
#define OXNAS_UART1_SIZE SZ_32
#define OXNAS_UART1_BASE_VA 0xF0000000
#define OXNAS_UART2_BASE 0x44300000
#define OXNAS_UART2_SIZE SZ_32
#define OXNAS_PERCPU_BASE 0x47000000
#define OXNAS_PERCPU_SIZE SZ_8K
#define OXNAS_PERCPU_BASE_VA 0xF0002000
#define OXNAS_SYSCRTL_BASE 0x44E00000
#define OXNAS_SYSCRTL_SIZE SZ_4K
#define OXNAS_SYSCRTL_BASE_VA 0xF0004000
#define OXNAS_SECCRTL_BASE 0x44F00000
#define OXNAS_SECCRTL_SIZE SZ_4K
#define OXNAS_SECCRTL_BASE_VA 0xF0005000
#define OXNAS_RPSA_BASE 0x44400000
#define OXNAS_RPSA_SIZE SZ_4K
#define OXNAS_RPSA_BASE_VA 0xF0006000
#define OXNAS_RPSC_BASE 0x44500000
#define OXNAS_RPSC_SIZE SZ_4K
#define OXNAS_RPSC_BASE_VA 0xF0007000
/*
* Location of flags and vectors in SRAM for controlling the booting of the
* secondary ARM11 processors.
*/
#define OXNAS_SCU_BASE_VA OXNAS_PERCPU_BASE_VA
#define OXNAS_GICN_BASE_VA(n) (OXNAS_PERCPU_BASE_VA + 0x200 + n*0x100)
#define HOLDINGPEN_CPU IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xc8)
#define HOLDINGPEN_LOCATION IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xc4)
/**
* System block reset and clock control
*/
#define SYS_CTRL_PCI_STAT IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x20)
#define SYSCTRL_CLK_STAT IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x24)
#define SYS_CTRL_CLK_SET_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x2C)
#define SYS_CTRL_CLK_CLR_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x30)
#define SYS_CTRL_RST_SET_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x34)
#define SYS_CTRL_RST_CLR_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x38)
#define SYS_CTRL_PLLSYS_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x48)
#define SYS_CTRL_CLK_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x64)
#define SYS_CTRL_PLLSYS_KEY_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x6C)
#define SYS_CTRL_GMAC_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x78)
#define SYS_CTRL_GMAC_DELAY_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x100)
/* Scratch registers */
#define SYS_CTRL_SCRATCHWORD0 IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xc4)
#define SYS_CTRL_SCRATCHWORD1 IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xc8)
#define SYS_CTRL_SCRATCHWORD2 IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xcc)
#define SYS_CTRL_SCRATCHWORD3 IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xd0)
#define SYS_CTRL_PLLA_CTRL0 IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x1F0)
#define SYS_CTRL_PLLA_CTRL1 IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x1F4)
#define SYS_CTRL_PLLA_CTRL2 IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x1F8)
#define SYS_CTRL_PLLA_CTRL3 IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x1FC)
#define SYS_CTRL_USBHSMPH_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x40)
#define SYS_CTRL_USBHSMPH_STAT IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x44)
#define SYS_CTRL_REF300_DIV IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xF8)
#define SYS_CTRL_USBHSPHY_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x84)
#define SYS_CTRL_USB_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x90)
/* pcie */
#define SYS_CTRL_HCSL_CTRL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x114)
/* System control multi-function pin function selection */
#define SYS_CTRL_SECONDARY_SEL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x14)
#define SYS_CTRL_TERTIARY_SEL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x8c)
#define SYS_CTRL_QUATERNARY_SEL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x94)
#define SYS_CTRL_DEBUG_SEL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0x9c)
#define SYS_CTRL_ALTERNATIVE_SEL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xa4)
#define SYS_CTRL_PULLUP_SEL IOMEM(OXNAS_SYSCRTL_BASE_VA + 0xac)
/* Secure control multi-function pin function selection */
#define SEC_CTRL_SECONDARY_SEL IOMEM(OXNAS_SECCRTL_BASE_VA + 0x14)
#define SEC_CTRL_TERTIARY_SEL IOMEM(OXNAS_SECCRTL_BASE_VA + 0x8c)
#define SEC_CTRL_QUATERNARY_SEL IOMEM(OXNAS_SECCRTL_BASE_VA + 0x94)
#define SEC_CTRL_DEBUG_SEL IOMEM(OXNAS_SECCRTL_BASE_VA + 0x9c)
#define SEC_CTRL_ALTERNATIVE_SEL IOMEM(OXNAS_SECCRTL_BASE_VA + 0xa4)
#define SEC_CTRL_PULLUP_SEL IOMEM(OXNAS_SECCRTL_BASE_VA + 0xac)
#define SEC_CTRL_COPRO_CTRL IOMEM(OXNAS_SECCRTL_BASE_VA + 0x68)
#define SEC_CTRL_SECURE_CTRL IOMEM(OXNAS_SECCRTL_BASE_VA + 0x98)
#define SEC_CTRL_LEON_DEBUG IOMEM(OXNAS_SECCRTL_BASE_VA + 0xF0)
#define SEC_CTRL_PLLB_DIV_CTRL IOMEM(OXNAS_SECCRTL_BASE_VA + 0xF8)
#define SEC_CTRL_PLLB_CTRL0 IOMEM(OXNAS_SECCRTL_BASE_VA + 0x1F0)
#define SEC_CTRL_PLLB_CTRL1 IOMEM(OXNAS_SECCRTL_BASE_VA + 0x1F4)
#define SEC_CTRL_PLLB_CTRL8 IOMEM(OXNAS_SECCRTL_BASE_VA + 0x1F4)
#define RPSA_IRQ_SOFT IOMEM(OXNAS_RPSA_BASE_VA + 0x10)
#define RPSA_FIQ_ENABLE IOMEM(OXNAS_RPSA_BASE_VA + 0x108)
#define RPSA_FIQ_DISABLE IOMEM(OXNAS_RPSA_BASE_VA + 0x10C)
#define RPSA_FIQ_IRQ_TO_FIQ IOMEM(OXNAS_RPSA_BASE_VA + 0x1FC)
#define RPSC_IRQ_SOFT IOMEM(OXNAS_RPSC_BASE_VA + 0x10)
#define RPSC_FIQ_ENABLE IOMEM(OXNAS_RPSC_BASE_VA + 0x108)
#define RPSC_FIQ_DISABLE IOMEM(OXNAS_RPSC_BASE_VA + 0x10C)
#define RPSC_FIQ_IRQ_TO_FIQ IOMEM(OXNAS_RPSC_BASE_VA + 0x1FC)
#define RPSA_TIMER2_VAL IOMEM(OXNAS_RPSA_BASE_VA + 0x224)
#define REF300_DIV_INT_SHIFT 8
#define REF300_DIV_FRAC_SHIFT 0
#define REF300_DIV_INT(val) ((val) << REF300_DIV_INT_SHIFT)
#define REF300_DIV_FRAC(val) ((val) << REF300_DIV_FRAC_SHIFT)
#define USBHSPHY_SUSPENDM_MANUAL_ENABLE 16
#define USBHSPHY_SUSPENDM_MANUAL_STATE 15
#define USBHSPHY_ATE_ESET 14
#define USBHSPHY_TEST_DIN 6
#define USBHSPHY_TEST_ADD 2
#define USBHSPHY_TEST_DOUT_SEL 1
#define USBHSPHY_TEST_CLK 0
#define USB_CTRL_USBAPHY_CKSEL_SHIFT 5
#define USB_CLK_XTAL0_XTAL1 (0 << USB_CTRL_USBAPHY_CKSEL_SHIFT)
#define USB_CLK_XTAL0 (1 << USB_CTRL_USBAPHY_CKSEL_SHIFT)
#define USB_CLK_INTERNAL (2 << USB_CTRL_USBAPHY_CKSEL_SHIFT)
#define USBAMUX_DEVICE BIT(4)
#define USBPHY_REFCLKDIV_SHIFT 2
#define USB_PHY_REF_12MHZ (0 << USBPHY_REFCLKDIV_SHIFT)
#define USB_PHY_REF_24MHZ (1 << USBPHY_REFCLKDIV_SHIFT)
#define USB_PHY_REF_48MHZ (2 << USBPHY_REFCLKDIV_SHIFT)
#define USB_CTRL_USB_CKO_SEL_BIT 0
#define USB_INT_CLK_XTAL 0
#define USB_INT_CLK_REF300 2
#define USB_INT_CLK_PLLB 3
#define SYS_CTRL_GMAC_CKEN_RX_IN 14
#define SYS_CTRL_GMAC_CKEN_RXN_OUT 13
#define SYS_CTRL_GMAC_CKEN_RX_OUT 12
#define SYS_CTRL_GMAC_CKEN_TX_IN 10
#define SYS_CTRL_GMAC_CKEN_TXN_OUT 9
#define SYS_CTRL_GMAC_CKEN_TX_OUT 8
#define SYS_CTRL_GMAC_RX_SOURCE 7
#define SYS_CTRL_GMAC_TX_SOURCE 6
#define SYS_CTRL_GMAC_LOW_TX_SOURCE 4
#define SYS_CTRL_GMAC_AUTO_TX_SOURCE 3
#define SYS_CTRL_GMAC_RGMII 2
#define SYS_CTRL_GMAC_SIMPLE_MUX 1
#define SYS_CTRL_GMAC_CKEN_GTX 0
#define SYS_CTRL_GMAC_TX_VARDELAY_SHIFT 0
#define SYS_CTRL_GMAC_TXN_VARDELAY_SHIFT 8
#define SYS_CTRL_GMAC_RX_VARDELAY_SHIFT 16
#define SYS_CTRL_GMAC_RXN_VARDELAY_SHIFT 24
#define SYS_CTRL_GMAC_TX_VARDELAY(d) ((d)<<SYS_CTRL_GMAC_TX_VARDELAY_SHIFT)
#define SYS_CTRL_GMAC_TXN_VARDELAY(d) ((d)<<SYS_CTRL_GMAC_TXN_VARDELAY_SHIFT)
#define SYS_CTRL_GMAC_RX_VARDELAY(d) ((d)<<SYS_CTRL_GMAC_RX_VARDELAY_SHIFT)
#define SYS_CTRL_GMAC_RXN_VARDELAY(d) ((d)<<SYS_CTRL_GMAC_RXN_VARDELAY_SHIFT)
#define PLLB_BYPASS 1
#define PLLB_ENSAT 3
#define PLLB_OUTDIV 4
#define PLLB_REFDIV 8
#define PLLB_DIV_INT_SHIFT 8
#define PLLB_DIV_FRAC_SHIFT 0
#define PLLB_DIV_INT(val) ((val) << PLLB_DIV_INT_SHIFT)
#define PLLB_DIV_FRAC(val) ((val) << PLLB_DIV_FRAC_SHIFT)
#define SYS_CTRL_CKCTRL_PCI_DIV_BIT 0
#define SYS_CTRL_CKCTRL_SLOW_BIT 8
#define SYS_CTRL_UART2_DEQ_EN 0
#define SYS_CTRL_UART3_DEQ_EN 1
#define SYS_CTRL_UART3_IQ_EN 2
#define SYS_CTRL_UART4_IQ_EN 3
#define SYS_CTRL_UART4_NOT_PCI_MODE 4
#define SYS_CTRL_PCI_CTRL1_PCI_STATIC_RQ_BIT 11
#define PLLA_REFDIV_MASK 0x3F
#define PLLA_REFDIV_SHIFT 8
#define PLLA_OUTDIV_MASK 0x7
#define PLLA_OUTDIV_SHIFT 4
/* bit numbers of clock control register */
#define SYS_CTRL_CLK_COPRO 0
#define SYS_CTRL_CLK_DMA 1
#define SYS_CTRL_CLK_CIPHER 2
#define SYS_CTRL_CLK_SD 3
#define SYS_CTRL_CLK_SATA 4
#define SYS_CTRL_CLK_I2S 5
#define SYS_CTRL_CLK_USBHS 6
#define SYS_CTRL_CLK_MACA 7
#define SYS_CTRL_CLK_MAC SYS_CTRL_CLK_MACA
#define SYS_CTRL_CLK_PCIEA 8
#define SYS_CTRL_CLK_STATIC 9
#define SYS_CTRL_CLK_MACB 10
#define SYS_CTRL_CLK_PCIEB 11
#define SYS_CTRL_CLK_REF600 12
#define SYS_CTRL_CLK_USBDEV 13
#define SYS_CTRL_CLK_DDR 14
#define SYS_CTRL_CLK_DDRPHY 15
#define SYS_CTRL_CLK_DDRCK 16
/* bit numbers of reset control register */
#define SYS_CTRL_RST_SCU 0
#define SYS_CTRL_RST_COPRO 1
#define SYS_CTRL_RST_ARM0 2
#define SYS_CTRL_RST_ARM1 3
#define SYS_CTRL_RST_USBHS 4
#define SYS_CTRL_RST_USBHSPHYA 5
#define SYS_CTRL_RST_MACA 6
#define SYS_CTRL_RST_MAC SYS_CTRL_RST_MACA
#define SYS_CTRL_RST_PCIEA 7
#define SYS_CTRL_RST_SGDMA 8
#define SYS_CTRL_RST_CIPHER 9
#define SYS_CTRL_RST_DDR 10
#define SYS_CTRL_RST_SATA 11
#define SYS_CTRL_RST_SATA_LINK 12
#define SYS_CTRL_RST_SATA_PHY 13
#define SYS_CTRL_RST_PCIEPHY 14
#define SYS_CTRL_RST_STATIC 15
#define SYS_CTRL_RST_GPIO 16
#define SYS_CTRL_RST_UART1 17
#define SYS_CTRL_RST_UART2 18
#define SYS_CTRL_RST_MISC 19
#define SYS_CTRL_RST_I2S 20
#define SYS_CTRL_RST_SD 21
#define SYS_CTRL_RST_MACB 22
#define SYS_CTRL_RST_PCIEB 23
#define SYS_CTRL_RST_VIDEO 24
#define SYS_CTRL_RST_DDR_PHY 25
#define SYS_CTRL_RST_USBHSPHYB 26
#define SYS_CTRL_RST_USBDEV 27
#define SYS_CTRL_RST_ARMDBG 29
#define SYS_CTRL_RST_PLLA 30
#define SYS_CTRL_RST_PLLB 31
static inline void oxnas_register_clear_mask(void __iomem *p, unsigned mask)
{
u32 val = readl_relaxed(p);
val &= ~mask;
writel_relaxed(val, p);
}
static inline void oxnas_register_set_mask(void __iomem *p, unsigned mask)
{
u32 val = readl_relaxed(p);
val |= mask;
writel_relaxed(val, p);
}
static inline void oxnas_register_value_mask(void __iomem *p,
unsigned mask, unsigned new_value)
{
/* TODO sanity check mask & new_value = new_value */
u32 val = readl_relaxed(p);
val &= ~mask;
val |= new_value;
writel_relaxed(val, p);
}
#define VERSION_ID_MAGIC 0x082510b5
#define LINK_UP_TIMEOUT_SECONDS 1
#define NUM_CONTROLLERS 1
enum {
PCIE_DEVICE_TYPE_MASK = 0x0F,
PCIE_DEVICE_TYPE_ENDPOINT = 0,
PCIE_DEVICE_TYPE_LEGACY_ENDPOINT = 1,
PCIE_DEVICE_TYPE_ROOT = 4,
PCIE_LTSSM = BIT(4),
PCIE_READY_ENTR_L23 = BIT(9),
PCIE_LINK_UP = BIT(11),
PCIE_OBTRANS = BIT(12),
};
enum {
HCSL_BIAS_ON = BIT(0),
HCSL_PCIE_EN = BIT(1),
HCSL_PCIEA_EN = BIT(2),
HCSL_PCIEB_EN = BIT(3),
};
enum {
/* pcie phy reg offset */
PHY_ADDR = 0,
PHY_DATA = 4,
/* phy data reg bits */
READ_EN = BIT(16),
WRITE_EN = BIT(17),
CAP_DATA = BIT(18),
};
/* core config registers */
enum {
PCI_CONFIG_VERSION_DEVICEID = 0,
PCI_CONFIG_COMMAND_STATUS = 4,
};
/* inbound config registers */
enum {
IB_ADDR_XLATE_ENABLE = 0xFC,
/* bits */
ENABLE_IN_ADDR_TRANS = BIT(0),
};
/* outbound config registers, offset relative to PCIE_POM0_MEM_ADDR */
enum {
PCIE_POM0_MEM_ADDR = 0,
PCIE_POM1_MEM_ADDR = 4,
PCIE_IN0_MEM_ADDR = 8,
PCIE_IN1_MEM_ADDR = 12,
PCIE_IN_IO_ADDR = 16,
PCIE_IN_CFG0_ADDR = 20,
PCIE_IN_CFG1_ADDR = 24,
PCIE_IN_MSG_ADDR = 28,
PCIE_IN0_MEM_LIMIT = 32,
PCIE_IN1_MEM_LIMIT = 36,
PCIE_IN_IO_LIMIT = 40,
PCIE_IN_CFG0_LIMIT = 44,
PCIE_IN_CFG1_LIMIT = 48,
PCIE_IN_MSG_LIMIT = 52,
PCIE_AHB_SLAVE_CTRL = 56,
PCIE_SLAVE_BE_SHIFT = 22,
};
#define ADDR_VAL(val) ((val) & 0xFFFF)
#define DATA_VAL(val) ((val) & 0xFFFF)
#define PCIE_SLAVE_BE(val) ((val) << PCIE_SLAVE_BE_SHIFT)
#define PCIE_SLAVE_BE_MASK PCIE_SLAVE_BE(0xF)
struct oxnas_pcie_shared {
/* seems all access are serialized, no lock required */
int refcount;
};
/* Structure representing one PCIe interfaces */
struct oxnas_pcie {
void __iomem *cfgbase;
void __iomem *base;
void __iomem *inbound;
void __iomem *outbound;
void __iomem *pcie_ctrl;
int haslink;
struct platform_device *pdev;
struct resource io;
struct resource cfg;
struct resource pre_mem; /* prefetchable */
struct resource non_mem; /* non-prefetchable */
struct resource busn; /* max available bus numbers */
int card_reset; /* gpio pin, optional */
unsigned hcsl_en; /* hcsl pci enable bit */
struct clk *clk;
struct clk *busclk; /* for pcie bus, actually the PLLB */
void *private_data[1];
spinlock_t lock;
};
static struct oxnas_pcie_shared pcie_shared = {
.refcount = 0,
};
static inline struct oxnas_pcie *sys_to_pcie(struct pci_sys_data *sys)
{
return sys->private_data;
}
static inline void set_out_lanes(struct oxnas_pcie *pcie, unsigned lanes)
{
oxnas_register_value_mask(pcie->outbound + PCIE_AHB_SLAVE_CTRL,
PCIE_SLAVE_BE_MASK, PCIE_SLAVE_BE(lanes));
wmb();
}
static int oxnas_pcie_link_up(struct oxnas_pcie *pcie)
{
unsigned long end;
/* Poll for PCIE link up */
end = jiffies + (LINK_UP_TIMEOUT_SECONDS * HZ);
while (!time_after(jiffies, end)) {
if (readl(pcie->pcie_ctrl) & PCIE_LINK_UP)
return 1;
}
return 0;
}
static void __init oxnas_pcie_setup_hw(struct oxnas_pcie *pcie)
{
/* We won't have any inbound address translation. This allows PCI
* devices to access anywhere in the AHB address map. Might be regarded
* as a bit dangerous, but let's get things working before we worry
* about that
*/
oxnas_register_clear_mask(pcie->inbound + IB_ADDR_XLATE_ENABLE,
ENABLE_IN_ADDR_TRANS);
wmb();
/*
* Program outbound translation windows
*
* Outbound window is what is referred to as "PCI client" region in HRM
*
* Could use the larger alternative address space to get >>64M regions
* for graphics cards etc., but will not bother at this point.
*
* IP bug means that AMBA window size must be a power of 2
*
* Set mem0 window for first 16MB of outbound window non-prefetchable
* Set mem1 window for second 16MB of outbound window prefetchable
* Set io window for next 16MB of outbound window
* Set cfg0 for final 1MB of outbound window
*
* Ignore mem1, cfg1 and msg windows for now as no obvious use cases for
* 820 that would need them
*
* Probably ideally want no offset between mem0 window start as seen by
* ARM and as seen on PCI bus and get Linux to assign memory regions to
* PCI devices using the same "PCI client" region start address as seen
* by ARM
*/
/* Set PCIeA mem0 region to be 1st 16MB of the 64MB PCIeA window */
writel_relaxed(pcie->non_mem.start, pcie->outbound + PCIE_IN0_MEM_ADDR);
writel_relaxed(pcie->non_mem.end, pcie->outbound + PCIE_IN0_MEM_LIMIT);
writel_relaxed(pcie->non_mem.start, pcie->outbound + PCIE_POM0_MEM_ADDR);
/* Set PCIeA mem1 region to be 2nd 16MB of the 64MB PCIeA window */
writel_relaxed(pcie->pre_mem.start, pcie->outbound + PCIE_IN1_MEM_ADDR);
writel_relaxed(pcie->pre_mem.end, pcie->outbound + PCIE_IN1_MEM_LIMIT);
writel_relaxed(pcie->pre_mem.start, pcie->outbound + PCIE_POM1_MEM_ADDR);
/* Set PCIeA io to be third 16M region of the 64MB PCIeA window*/
writel_relaxed(pcie->io.start, pcie->outbound + PCIE_IN_IO_ADDR);
writel_relaxed(pcie->io.end, pcie->outbound + PCIE_IN_IO_LIMIT);
/* Set PCIeA cgf0 to be last 16M region of the 64MB PCIeA window*/
writel_relaxed(pcie->cfg.start, pcie->outbound + PCIE_IN_CFG0_ADDR);
writel_relaxed(pcie->cfg.end, pcie->outbound + PCIE_IN_CFG0_LIMIT);
wmb();
/* Enable outbound address translation */
oxnas_register_set_mask(pcie->pcie_ctrl, PCIE_OBTRANS);
wmb();
/*
* Program PCIe command register for core to:
* enable memory space
* enable bus master
* enable io
*/
writel_relaxed(7, pcie->base + PCI_CONFIG_COMMAND_STATUS);
/* which is which */
wmb();
}
static unsigned oxnas_pcie_cfg_to_offset(
struct pci_sys_data *sys,
unsigned char bus_number,
unsigned int devfn,
int where)
{
unsigned int function = PCI_FUNC(devfn);
unsigned int slot = PCI_SLOT(devfn);
unsigned char bus_number_offset;
bus_number_offset = bus_number - sys->busnr;
/*
* We'll assume for now that the offset, function, slot, bus encoding
* should map onto linear, contiguous addresses in PCIe config space,
* albeit that the majority will be unused as only slot 0 is valid for
* any PCIe bus and most devices have only function 0
*
* Could be that PCIe in fact works by not encoding the slot number into
* the config space address as it's known that only slot 0 is valid.
* We'll have to experiment if/when we get a PCIe switch connected to
* the PCIe host
*/
return (bus_number_offset << 20) | (slot << 15) | (function << 12) |
(where & ~3);
}
/* PCI configuration space write function */
static int oxnas_pcie_wr_conf(struct pci_bus *bus, u32 devfn,
int where, int size, u32 val)
{
unsigned long flags;
struct oxnas_pcie *pcie = sys_to_pcie(bus->sysdata);
unsigned offset;
u32 value;
u32 lanes;
/* Only a single device per bus for PCIe point-to-point links */
if (PCI_SLOT(devfn) > 0)
return PCIBIOS_DEVICE_NOT_FOUND;
if (!pcie->haslink)
return PCIBIOS_DEVICE_NOT_FOUND;
offset = oxnas_pcie_cfg_to_offset(bus->sysdata, bus->number, devfn,
where);
value = val << (8 * (where & 3));
lanes = (0xf >> (4-size)) << (where & 3);
/* it race with mem and io write, but the possibility is low, normally
* all config writes happens at driver initialize stage, wont interleave
* with others.
* and many pcie cards use dword (4bytes) access mem/io access only,
* so not bother to copy that ugly work-around now. */
spin_lock_irqsave(&pcie->lock, flags);
set_out_lanes(pcie, lanes);
writel_relaxed(value, pcie->cfgbase + offset);
set_out_lanes(pcie, 0xf);
spin_unlock_irqrestore(&pcie->lock, flags);
return PCIBIOS_SUCCESSFUL;
}
/* PCI configuration space read function */
static int oxnas_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
int size, u32 *val)
{
struct oxnas_pcie *pcie = sys_to_pcie(bus->sysdata);
unsigned offset;
u32 value;
u32 left_bytes, right_bytes;
/* Only a single device per bus for PCIe point-to-point links */
if (PCI_SLOT(devfn) > 0) {
*val = 0xffffffff;
return PCIBIOS_DEVICE_NOT_FOUND;
}
if (!pcie->haslink) {
*val = 0xffffffff;
return PCIBIOS_DEVICE_NOT_FOUND;
}
offset = oxnas_pcie_cfg_to_offset(bus->sysdata, bus->number, devfn,
where);
value = readl_relaxed(pcie->cfgbase + offset);
left_bytes = where & 3;
right_bytes = 4 - left_bytes - size;
value <<= right_bytes * 8;
value >>= (left_bytes + right_bytes) * 8;
*val = value;
return PCIBIOS_SUCCESSFUL;
}
static struct pci_ops oxnas_pcie_ops = {
.read = oxnas_pcie_rd_conf,
.write = oxnas_pcie_wr_conf,
};
static int __init oxnas_pcie_setup(int nr, struct pci_sys_data *sys)
{
struct oxnas_pcie *pcie = sys_to_pcie(sys);
pci_add_resource_offset(&sys->resources, &pcie->non_mem, sys->mem_offset);
pci_add_resource_offset(&sys->resources, &pcie->pre_mem, sys->mem_offset);
pci_add_resource_offset(&sys->resources, &pcie->io, sys->io_offset);
pci_add_resource(&sys->resources, &pcie->busn);
if (sys->busnr == 0) { /* default one */
sys->busnr = pcie->busn.start;
}
/* do not use devm_ioremap_resource, it does not like cfg resource */
pcie->cfgbase = devm_ioremap(&pcie->pdev->dev, pcie->cfg.start,
resource_size(&pcie->cfg));
if (!pcie->cfgbase)
return -ENOMEM;
oxnas_pcie_setup_hw(pcie);
return 1;
}
static void __init oxnas_pcie_enable(struct device *dev, struct oxnas_pcie *pcie)
{
struct hw_pci hw;
int i;
memset(&hw, 0, sizeof(hw));
for (i = 0; i < NUM_CONTROLLERS; i++)
pcie->private_data[i] = pcie;
hw.nr_controllers = NUM_CONTROLLERS;
/* I think use stack pointer is a bad idea though it is valid in this case */
hw.private_data = pcie->private_data;
hw.setup = oxnas_pcie_setup;
hw.map_irq = of_irq_parse_and_map_pci;
hw.ops = &oxnas_pcie_ops;
/* pass dev to maintain of tree, interrupt mapping rely on this */
pci_common_init_dev(dev, &hw);
}
void oxnas_pcie_init_shared_hw(struct platform_device *pdev,
void __iomem *phybase)
{
struct reset_control *rstc;
int ret;
/* generate clocks from HCSL buffers, shared parts */
writel(HCSL_BIAS_ON|HCSL_PCIE_EN, SYS_CTRL_HCSL_CTRL);
/* Ensure PCIe PHY is properly reset */
rstc = reset_control_get(&pdev->dev, "phy");
if (IS_ERR(rstc)) {
ret = PTR_ERR(rstc);
} else {
ret = reset_control_reset(rstc);
reset_control_put(rstc);
}
if (ret) {
dev_err(&pdev->dev, "phy reset failed %d\n", ret);
return;
}
/* Enable PCIe Pre-Emphasis: What these value means? */
writel(ADDR_VAL(0x0014), phybase + PHY_ADDR);
writel(DATA_VAL(0xce10) | CAP_DATA, phybase + PHY_DATA);
writel(DATA_VAL(0xce10) | WRITE_EN, phybase + PHY_DATA);
writel(ADDR_VAL(0x2004), phybase + PHY_ADDR);
writel(DATA_VAL(0x82c7) | CAP_DATA, phybase + PHY_DATA);
writel(DATA_VAL(0x82c7) | WRITE_EN, phybase + PHY_DATA);
}
static int oxnas_pcie_shared_init(struct platform_device *pdev)
{
if (++pcie_shared.refcount == 1) {
/* we are the first */
struct device_node *np = pdev->dev.of_node;
void __iomem *phy = of_iomap(np, 2);
if (!phy) {
--pcie_shared.refcount;
return -ENOMEM;
}
oxnas_pcie_init_shared_hw(pdev, phy);
iounmap(phy);
return 0;
} else {
return 0;
}
}
#if 0
/* maybe we will call it when enter low power state */
static void oxnas_pcie_shared_deinit(struct platform_device *pdev)
{
if (--pcie_shared.refcount == 0) {
/* no cleanup needed */;
}
}
#endif
static int __init
oxnas_pcie_map_registers(struct platform_device *pdev,
struct device_node *np,
struct oxnas_pcie *pcie)
{
struct resource regs;
int ret = 0;
u32 outbound_ctrl_offset;
u32 pcie_ctrl_offset;
/* 2 is reserved for shared phy */
ret = of_address_to_resource(np, 0, &regs);
if (ret)
return -EINVAL;
pcie->base = devm_ioremap_resource(&pdev->dev, &regs);
if (!pcie->base)
return -ENOMEM;
ret = of_address_to_resource(np, 1, &regs);
if (ret)
return -EINVAL;
pcie->inbound = devm_ioremap_resource(&pdev->dev, &regs);
if (!pcie->inbound)
return -ENOMEM;
if (of_property_read_u32(np, "plxtech,pcie-outbound-offset",
&outbound_ctrl_offset))
return -EINVAL;
/* SYSCRTL is shared by too many drivers, so is mapped by board file */
pcie->outbound = IOMEM(OXNAS_SYSCRTL_BASE_VA + outbound_ctrl_offset);
if (of_property_read_u32(np, "plxtech,pcie-ctrl-offset",
&pcie_ctrl_offset))
return -EINVAL;
pcie->pcie_ctrl = IOMEM(OXNAS_SYSCRTL_BASE_VA + pcie_ctrl_offset);
return 0;
}
static int __init oxnas_pcie_init_res(struct platform_device *pdev,
struct oxnas_pcie *pcie,
struct device_node *np)
{
struct of_pci_range range;
struct of_pci_range_parser parser;
int ret;
if (of_pci_range_parser_init(&parser, np))
return -EINVAL;
/* Get the I/O and memory ranges from DT */
for_each_of_pci_range(&parser, &range) {
unsigned long restype = range.flags & IORESOURCE_TYPE_BITS;
if (restype == IORESOURCE_IO) {
of_pci_range_to_resource(&range, np, &pcie->io);
pcie->io.name = "I/O";
}
if (restype == IORESOURCE_MEM) {
if (range.flags & IORESOURCE_PREFETCH) {
of_pci_range_to_resource(&range, np, &pcie->pre_mem);
pcie->pre_mem.name = "PRE MEM";
} else {
of_pci_range_to_resource(&range, np, &pcie->non_mem);
pcie->non_mem.name = "NON MEM";
}
}
if (restype == 0)
of_pci_range_to_resource(&range, np, &pcie->cfg);
}
/* Get the bus range */
ret = of_pci_parse_bus_range(np, &pcie->busn);
if (ret) {
dev_err(&pdev->dev, "failed to parse bus-range property: %d\n",
ret);
return ret;
}
pcie->card_reset = of_get_gpio(np, 0);
if (pcie->card_reset < 0)
dev_info(&pdev->dev, "card reset gpio pin not exists\n");
if (of_property_read_u32(np, "plxtech,pcie-hcsl-bit", &pcie->hcsl_en))
return -EINVAL;
pcie->clk = of_clk_get_by_name(np, "pcie");
if (IS_ERR(pcie->clk)) {
return PTR_ERR(pcie->clk);
}
pcie->busclk = of_clk_get_by_name(np, "busclk");
if (IS_ERR(pcie->busclk)) {
clk_put(pcie->clk);
return PTR_ERR(pcie->busclk);
}
return 0;
}
static void oxnas_pcie_init_hw(struct platform_device *pdev,
struct oxnas_pcie *pcie)
{
u32 version_id;
int ret;
clk_prepare_enable(pcie->busclk);
/* reset PCIe cards use hard-wired gpio pin */
if (pcie->card_reset >= 0 &&
!gpio_direction_output(pcie->card_reset, 0)) {
wmb();
mdelay(10);
/* must tri-state the pin to pull it up */
gpio_direction_input(pcie->card_reset);
wmb();
mdelay(100);
}
oxnas_register_set_mask(SYS_CTRL_HCSL_CTRL, BIT(pcie->hcsl_en));
/* core */
ret = device_reset(&pdev->dev);
if (ret) {
dev_err(&pdev->dev, "core reset failed %d\n", ret);
return;
}
/* Start PCIe core clocks */
clk_prepare_enable(pcie->clk);
version_id = readl_relaxed(pcie->base + PCI_CONFIG_VERSION_DEVICEID);
dev_info(&pdev->dev, "PCIe version/deviceID 0x%x\n", version_id);
if (version_id != VERSION_ID_MAGIC) {
dev_info(&pdev->dev, "PCIe controller not found\n");
pcie->haslink = 0;
return;
}
/* allow entry to L23 state */
oxnas_register_set_mask(pcie->pcie_ctrl, PCIE_READY_ENTR_L23);
/* Set PCIe core into RootCore mode */
oxnas_register_value_mask(pcie->pcie_ctrl, PCIE_DEVICE_TYPE_MASK,
PCIE_DEVICE_TYPE_ROOT);
wmb();
/* Bring up the PCI core */
oxnas_register_set_mask(pcie->pcie_ctrl, PCIE_LTSSM);
wmb();
}
static int __init oxnas_pcie_probe(struct platform_device *pdev)
{
struct oxnas_pcie *pcie;
struct device_node *np = pdev->dev.of_node;
int ret;
pcie = devm_kzalloc(&pdev->dev, sizeof(struct oxnas_pcie),
GFP_KERNEL);
if (!pcie)
return -ENOMEM;
pcie->pdev = pdev;
pcie->haslink = 1;
spin_lock_init(&pcie->lock);
ret = oxnas_pcie_init_res(pdev, pcie, np);
if (ret)
return ret;
if (pcie->card_reset >= 0) {
ret = gpio_request_one(pcie->card_reset, GPIOF_DIR_IN,
dev_name(&pdev->dev));
if (ret) {
dev_err(&pdev->dev, "cannot request gpio pin %d\n",
pcie->card_reset);
return ret;
}
}
ret = oxnas_pcie_map_registers(pdev, np, pcie);
if (ret) {
dev_err(&pdev->dev, "cannot map registers\n");
goto err_free_gpio;
}
ret = oxnas_pcie_shared_init(pdev);
if (ret)
goto err_free_gpio;
/* if hw not found, haslink cleared */
oxnas_pcie_init_hw(pdev, pcie);
if (pcie->haslink && oxnas_pcie_link_up(pcie)) {
pcie->haslink = 1;
dev_info(&pdev->dev, "link up\n");
} else {
pcie->haslink = 0;
dev_info(&pdev->dev, "link down\n");
}
/* should we register our controller even when pcie->haslink is 0 ? */
/* register the controller with framework */
oxnas_pcie_enable(&pdev->dev, pcie);
return 0;
err_free_gpio:
if (pcie->card_reset)
gpio_free(pcie->card_reset);
return ret;
}
static const struct of_device_id oxnas_pcie_of_match_table[] = {
{ .compatible = "plxtech,nas782x-pcie", },
{},
};
MODULE_DEVICE_TABLE(of, oxnas_pcie_of_match_table);
static struct platform_driver oxnas_pcie_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "oxnas-pcie",
.of_match_table =
of_match_ptr(oxnas_pcie_of_match_table),
},
};
static int __init oxnas_pcie_init(void)
{
return platform_driver_probe(&oxnas_pcie_driver,
oxnas_pcie_probe);
}
subsys_initcall(oxnas_pcie_init);
MODULE_AUTHOR("Ma Haijun <mahaijuns@gmail.com>");
MODULE_DESCRIPTION("NAS782x PCIe driver");
MODULE_LICENSE("GPLv2");

@ -0,0 +1,368 @@
/*
* drivers/usb/host/ehci-oxnas.c
*
* Tzachi Perelstein <tzachi@marvell.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/mfd/syscon.h>
#include <linux/usb.h>
#include <linux/usb/hcd.h>
#include <linux/dma-mapping.h>
#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#define USBHSMPH_CTRL_REGOFFSET 0x40
#define USBHSMPH_STAT_REGOFFSET 0x44
#define REF300_DIV_REGOFFSET 0xF8
#define USBHSPHY_CTRL_REGOFFSET 0x84
#define USB_CTRL_REGOFFSET 0x90
#define PLLB_DIV_CTRL_REGOFFSET 0x1000F8
#define USBHSPHY_SUSPENDM_MANUAL_ENABLE 16
#define USBHSPHY_SUSPENDM_MANUAL_STATE 15
#define USBHSPHY_ATE_ESET 14
#define USBHSPHY_TEST_DIN 6
#define USBHSPHY_TEST_ADD 2
#define USBHSPHY_TEST_DOUT_SEL 1
#define USBHSPHY_TEST_CLK 0
#define USB_CTRL_USBAPHY_CKSEL_SHIFT 5
#define USB_CLK_XTAL0_XTAL1 (0 << USB_CTRL_USBAPHY_CKSEL_SHIFT)
#define USB_CLK_XTAL0 (1 << USB_CTRL_USBAPHY_CKSEL_SHIFT)
#define USB_CLK_INTERNAL (2 << USB_CTRL_USBAPHY_CKSEL_SHIFT)
#define USBAMUX_DEVICE BIT(4)
#define USBPHY_REFCLKDIV_SHIFT 2
#define USB_PHY_REF_12MHZ (0 << USBPHY_REFCLKDIV_SHIFT)
#define USB_PHY_REF_24MHZ (1 << USBPHY_REFCLKDIV_SHIFT)
#define USB_PHY_REF_48MHZ (2 << USBPHY_REFCLKDIV_SHIFT)
#define USB_CTRL_USB_CKO_SEL_BIT 0
#define USB_INT_CLK_XTAL 0
#define USB_INT_CLK_REF300 2
#define USB_INT_CLK_PLLB 3
#define REF300_DIV_INT_SHIFT 8
#define REF300_DIV_FRAC_SHIFT 0
#define REF300_DIV_INT(val) ((val) << REF300_DIV_INT_SHIFT)
#define REF300_DIV_FRAC(val) ((val) << REF300_DIV_FRAC_SHIFT)
#define PLLB_BYPASS 1
#define PLLB_ENSAT 3
#define PLLB_OUTDIV 4
#define PLLB_REFDIV 8
#define PLLB_DIV_INT_SHIFT 8
#define PLLB_DIV_FRAC_SHIFT 0
#define PLLB_DIV_INT(val) ((val) << PLLB_DIV_INT_SHIFT)
#define PLLB_DIV_FRAC(val) ((val) << PLLB_DIV_FRAC_SHIFT)
#include "ehci.h"
struct oxnas_hcd {
struct clk *clk;
struct clk *refsrc;
struct clk *phyref;
int use_pllb;
int use_phya;
struct reset_control *rst_host;
struct reset_control *rst_phya;
struct reset_control *rst_phyb;
struct regmap *syscon;
};
#define DRIVER_DESC "Oxnas On-Chip EHCI Host Controller"
static struct hc_driver __read_mostly oxnas_hc_driver;
static void start_oxnas_usb_ehci(struct oxnas_hcd *oxnas)
{
if (oxnas->use_pllb) {
/* enable pllb */
clk_prepare_enable(oxnas->refsrc);
/* enable ref600 */
clk_prepare_enable(oxnas->phyref);
/* 600MHz pllb divider for 12MHz */
regmap_write_bits(oxnas->syscon, PLLB_DIV_CTRL_REGOFFSET, 0xffff, PLLB_DIV_INT(50) | PLLB_DIV_FRAC(0));
} else {
/* ref 300 divider for 12MHz */
regmap_write_bits(oxnas->syscon, REF300_DIV_REGOFFSET, 0xffff, REF300_DIV_INT(25) | REF300_DIV_FRAC(0));
}
/* Ensure the USB block is properly reset */
reset_control_reset(oxnas->rst_host);
reset_control_reset(oxnas->rst_phya);
reset_control_reset(oxnas->rst_phyb);
/* Force the high speed clock to be generated all the time, via serial
programming of the USB HS PHY */
regmap_write_bits(oxnas->syscon, USBHSPHY_CTRL_REGOFFSET, 0xffff,
(2UL << USBHSPHY_TEST_ADD) |
(0xe0UL << USBHSPHY_TEST_DIN));
regmap_write_bits(oxnas->syscon, USBHSPHY_CTRL_REGOFFSET, 0xffff,
(1UL << USBHSPHY_TEST_CLK) |
(2UL << USBHSPHY_TEST_ADD) |
(0xe0UL << USBHSPHY_TEST_DIN));
regmap_write_bits(oxnas->syscon, USBHSPHY_CTRL_REGOFFSET, 0xffff,
(0xfUL << USBHSPHY_TEST_ADD) |
(0xaaUL << USBHSPHY_TEST_DIN));
regmap_write_bits(oxnas->syscon, USBHSPHY_CTRL_REGOFFSET, 0xffff,
(1UL << USBHSPHY_TEST_CLK) |
(0xfUL << USBHSPHY_TEST_ADD) |
(0xaaUL << USBHSPHY_TEST_DIN));
if (oxnas->use_pllb) /* use pllb clock */
regmap_write_bits(oxnas->syscon, USB_CTRL_REGOFFSET, 0xffff,
USB_CLK_INTERNAL | USB_INT_CLK_PLLB);
else /* use ref300 derived clock */
regmap_write_bits(oxnas->syscon, USB_CTRL_REGOFFSET, 0xffff,
USB_CLK_INTERNAL | USB_INT_CLK_REF300);
if (oxnas->use_phya) {
/* Configure USB PHYA as a host */
regmap_update_bits(oxnas->syscon, USB_CTRL_REGOFFSET, USBAMUX_DEVICE, 0);
}
/* Enable the clock to the USB block */
clk_prepare_enable(oxnas->clk);
}
static void stop_oxnas_usb_ehci(struct oxnas_hcd *oxnas)
{
reset_control_assert(oxnas->rst_host);
reset_control_assert(oxnas->rst_phya);
reset_control_assert(oxnas->rst_phyb);
if (oxnas->use_pllb) {
clk_disable_unprepare(oxnas->phyref);
clk_disable_unprepare(oxnas->refsrc);
}
clk_disable_unprepare(oxnas->clk);
}
static int ehci_oxnas_reset(struct usb_hcd *hcd)
{
#define txttfill_tuning reserved2[0]
struct ehci_hcd *ehci;
u32 tmp;
int retval = ehci_setup(hcd);
if (retval)
return retval;
ehci = hcd_to_ehci(hcd);
tmp = ehci_readl(ehci, &ehci->regs->txfill_tuning);
tmp &= ~0x00ff0000;
tmp |= 0x003f0000; /* set burst pre load count to 0x40 (63 * 4 bytes) */
tmp |= 0x16; /* set sheduler overhead to 22 * 1.267us (HS) or 22 * 6.33us (FS/LS)*/
ehci_writel(ehci, tmp, &ehci->regs->txfill_tuning);
tmp = ehci_readl(ehci, &ehci->regs->txttfill_tuning);
tmp |= 0x2; /* set sheduler overhead to 2 * 6.333us */
ehci_writel(ehci, tmp, &ehci->regs->txttfill_tuning);
return retval;
}
static int ehci_oxnas_drv_probe(struct platform_device *ofdev)
{
struct device_node *np = ofdev->dev.of_node;
struct usb_hcd *hcd;
struct ehci_hcd *ehci;
struct resource res;
struct oxnas_hcd *oxnas;
int irq, err;
struct reset_control *rstc;
if (usb_disabled())
return -ENODEV;
if (!ofdev->dev.dma_mask)
ofdev->dev.dma_mask = &ofdev->dev.coherent_dma_mask;
if (!ofdev->dev.coherent_dma_mask)
ofdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
hcd = usb_create_hcd(&oxnas_hc_driver, &ofdev->dev,
dev_name(&ofdev->dev));
if (!hcd)
return -ENOMEM;
err = of_address_to_resource(np, 0, &res);
if (err)
goto err_res;
hcd->rsrc_start = res.start;
hcd->rsrc_len = resource_size(&res);
hcd->regs = devm_ioremap_resource(&ofdev->dev, &res);
if (IS_ERR(hcd->regs)) {
dev_err(&ofdev->dev, "devm_ioremap_resource failed\n");
err = PTR_ERR(hcd->regs);
goto err_ioremap;
}
oxnas = (struct oxnas_hcd *)hcd_to_ehci(hcd)->priv;
oxnas->use_pllb = of_property_read_bool(np, "oxsemi,ehci_use_pllb");
oxnas->use_phya = of_property_read_bool(np, "oxsemi,ehci_use_phya");
oxnas->syscon = syscon_regmap_lookup_by_phandle(np, "oxsemi,sys-ctrl");
if (IS_ERR(oxnas->syscon)) {
err = PTR_ERR(oxnas->syscon);
goto err_syscon;
}
oxnas->clk = of_clk_get_by_name(np, "usb");
if (IS_ERR(oxnas->clk)) {
err = PTR_ERR(oxnas->clk);
goto err_clk;
}
if (oxnas->use_pllb) {
oxnas->refsrc = of_clk_get_by_name(np, "refsrc");
if (IS_ERR(oxnas->refsrc)) {
err = PTR_ERR(oxnas->refsrc);
goto err_refsrc;
}
oxnas->phyref = of_clk_get_by_name(np, "phyref");
if (IS_ERR(oxnas->refsrc)) {
err = PTR_ERR(oxnas->refsrc);
goto err_phyref;
}
} else {
oxnas->refsrc = NULL;
oxnas->phyref = NULL;
}
rstc = devm_reset_control_get(&ofdev->dev, "host");
if (IS_ERR(rstc)) {
err = PTR_ERR(rstc);
goto err_rst;
}
oxnas->rst_host = rstc;
rstc = devm_reset_control_get(&ofdev->dev, "phya");
if (IS_ERR(rstc)) {
err = PTR_ERR(rstc);
goto err_rst;
}
oxnas->rst_phya = rstc;
rstc = devm_reset_control_get(&ofdev->dev, "phyb");
if (IS_ERR(rstc)) {
err = PTR_ERR(rstc);
goto err_rst;
}
oxnas->rst_phyb = rstc;
irq = irq_of_parse_and_map(np, 0);
if (!irq) {
dev_err(&ofdev->dev, "irq_of_parse_and_map failed\n");
err = -EBUSY;
goto err_irq;
}
hcd->has_tt = 1;
ehci = hcd_to_ehci(hcd);
ehci->caps = hcd->regs;
start_oxnas_usb_ehci(oxnas);
err = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (err)
goto err_hcd;
return 0;
err_hcd:
stop_oxnas_usb_ehci(oxnas);
err_irq:
err_rst:
if (oxnas->phyref)
clk_put(oxnas->phyref);
err_phyref:
if (oxnas->refsrc)
clk_put(oxnas->refsrc);
err_refsrc:
clk_put(oxnas->clk);
err_syscon:
err_clk:
err_ioremap:
err_res:
usb_put_hcd(hcd);
return err;
}
static int ehci_oxnas_drv_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
struct oxnas_hcd *oxnas = (struct oxnas_hcd *)hcd_to_ehci(hcd)->priv;
usb_remove_hcd(hcd);
if (oxnas->use_pllb) {
clk_disable_unprepare(oxnas->phyref);
clk_put(oxnas->phyref);
clk_disable_unprepare(oxnas->refsrc);
clk_put(oxnas->refsrc);
}
clk_disable_unprepare(oxnas->clk);
usb_put_hcd(hcd);
return 0;
}
static const struct of_device_id oxnas_ehci_dt_ids[] = {
{ .compatible = "plxtech,nas782x-ehci" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, oxnas_ehci_dt_ids);
static struct platform_driver ehci_oxnas_driver = {
.probe = ehci_oxnas_drv_probe,
.remove = ehci_oxnas_drv_remove,
.shutdown = usb_hcd_platform_shutdown,
.driver.name = "oxnas-ehci",
.driver.of_match_table = oxnas_ehci_dt_ids,
};
static const struct ehci_driver_overrides oxnas_overrides __initconst = {
.reset = ehci_oxnas_reset,
.extra_priv_size = sizeof(struct oxnas_hcd),
};
static int __init ehci_oxnas_init(void)
{
if (usb_disabled())
return -ENODEV;
ehci_init_driver(&oxnas_hc_driver, &oxnas_overrides);
return platform_driver_register(&ehci_oxnas_driver);
}
module_init(ehci_oxnas_init);
static void __exit ehci_oxnas_cleanup(void)
{
platform_driver_unregister(&ehci_oxnas_driver);
}
module_exit(ehci_oxnas_cleanup);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_ALIAS("platform:oxnas-ehci");
MODULE_LICENSE("GPL");

@ -0,0 +1,15 @@
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
VMLINUX:=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux
UIMAGE:=$(BIN_DIR)/$(IMG_PREFIX)-uImage
ifeq ($(SUBTARGET),ox810se)
include ox810se.mk
endif
ifeq ($(SUBTARGET),ox820)
include ox820.mk
endif
$(eval $(call BuildImage))

@ -0,0 +1,18 @@
KERNEL_LOADADDR := 0x48008000
define Device/Default
KERNEL_NAME := zImage
KERNEL_SUFFIX := -uImage
KERNEL_INSTALL := 1
FILESYSTEMS := squashfs ext4
PROFILES = Default $$(DTS)
IMAGES := sysupgrade.tar
IMAGE/sysupgrade.tar := sysupgrade-tar | append-metadata
endef
define Device/wd-mbwe
DEVICE_DTS := ox810se-wd-mbwe
DEVICE_TITLE := Western Digital My Book World Edition
KERNEL := kernel-bin | append-dtb | uImage none
endef
TARGET_DEVICES += wd-mbwe

@ -0,0 +1,81 @@
UBIFS_OPTS = -m 2048 -e 126KiB -c 4096
DEVICE_VARS += DTS UBIFS_OPTS
KERNEL_LOADADDR := 0x60008000
define Device/Default
KERNEL_NAME := zImage
KERNEL_SUFFIX := -uImage
KERNEL_INSTALL := 1
BLOCKSIZE := 128k
PAGESIZE := 2048
SUBPAGESIZE := 512
FILESYSTEMS := squashfs ubifs
PROFILES = Default $$(DTS)
KERNEL := kernel-bin | append-dtb | uImage none
IMAGES := ubinized.bin sysupgrade.tar
IMAGE/ubinized.bin := append-ubi
IMAGE/sysupgrade.tar := sysupgrade-tar | append-metadata
endef
define Build/omninas-factory
rm -rf $@.tmp $@.dummy $@.dummy.gz
mkdir -p $@.tmp
$(CP) $@ $@.tmp/uImage
dd if=/dev/zero bs=64k count=4 of=$@.dummy
gzip $@.dummy
mkimage -A arm -T ramdisk -C gzip -n "dummy" \
-d $@.dummy.gz \
$@.tmp/rdimg.gz
echo 2.35.20140102 > $@.tmp/version ; echo >> $@.tmp/version
chmod 0744 $@.tmp/*
$(TAR) -C $@.tmp -czvf $@ \
$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") .
endef
define Build/encrypt-3des
openssl enc -des3 -a -k $(1) -in $@ -out $@.new && mv $@.new $@
endef
define Device/akitio-mycloud
DEVICE_DTS := ox820-akitio-mycloud
DEVICE_TITLE := Akition myCloud (mini) / SilverStone DC01
DEVICE_PACKAGES := kmod-usb2-oxnas kmod-ata-oxnas-sata kmod-ledtrig-usbdev \
kmod-i2c-gpio kmod-rtc-ds1307
endef
TARGET_DEVICES += akitio-mycloud
define Device/cloudengines-pogoplug-pro
DEVICE_DTS := ox820-cloudengines-pogoplug-pro
DEVICE_TITLE := Cloud Engines PogoPlug Pro (with mPCIe)
DEVICE_PACKAGES := kmod-usb2-oxnas kmod-ledtrig-usbdev
endef
TARGET_DEVICES += cloudengines-pogoplug-pro
define Device/cloudengines-pogoplug-series-3
DEVICE_DTS := ox820-cloudengines-pogoplug-series-3
DEVICE_TITLE := Cloud Engines PogoPlug Series V3 (without mPCIe)
DEVICE_PACKAGES := kmod-usb2-oxnas kmod-ledtrig-usbdev
endef
TARGET_DEVICES += cloudengines-pogoplug-series-3
define Device/shuttle-kd20
DEVICE_DTS := ox820-shuttle-kd20
DEVICE_TITLE := Shuttle KD20
KERNEL := kernel-bin | append-dtb | uImage none
KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-factory
KERNEL_INITRAMFS_SUFFIX := .tar.gz
KERNEL_INITRAMFS = kernel-bin | append-dtb | uImage none | omninas-factory | encrypt-3des sohmuntitnlaes
DEVICE_PACKAGES := kmod-usb2-oxnas kmod-ata-oxnas-sata kmod-ledtrig-usbdev \
kmod-usb3 kmod-i2c-gpio kmod-rtc-pcf8563 kmod-gpio-beeper \
kmod-hwmon-core kmod-hwmon-gpiofan \
kmod-md-mod kmod-md-raid0 kmod-md-raid1 kmod-fs-ext4 kmod-fs-xfs
endef
TARGET_DEVICES += shuttle-kd20
define Device/mitrastar-stg212
DEVICE_DTS := ox820-mitrastar-stg212
DEVICE_TITLE := MitraStar STG-212
KERNEL := kernel-bin | append-dtb | uImage none
DEVICE_PACKAGES := kmod-usb2-oxnas kmod-ata-oxnas-sata kmod-ledtrig-usbdev
endef
TARGET_DEVICES += mitrastar-stg212

@ -0,0 +1,33 @@
define KernelPackage/ata-oxnas-sata
SUBMENU:=$(BLOCK_MENU)
TITLE:=oxnas Serial ATA support
KCONFIG:=CONFIG_SATA_OXNAS
DEPENDS:=@TARGET_oxnas
FILES:=$(LINUX_DIR)/drivers/ata/sata_oxnas.ko
AUTOLOAD:=$(call AutoLoad,41,sata_oxnas,1)
$(call AddDepends/ata)
endef
define KernelPackage/ata-oxnas-sata/description
SATA support for OX934 core found in the OX8xx/PLX782x SoCs
endef
$(eval $(call KernelPackage,ata-oxnas-sata))
define KernelPackage/usb2-oxnas
SUBMENU:=$(BLOCK_MENU)
TITLE:=OX820 EHCI driver
DEPENDS:=@TARGET_oxnas_ox820 +kmod-usb2
KCONFIG:=CONFIG_USB_EHCI_OXNAS
FILES:=$(LINUX_DIR)/drivers/usb/host/ehci-oxnas.ko
AUTOLOAD:=$(call AutoLoad,55,ehci-oxnas,1)
$(call AddDepends/usb)
endef
define KernelPackage/usb2-oxnas/description
This driver provides USB Device Controller support for the
EHCI USB host built-in to the OX820 SoC.
endef
$(eval $(call KernelPackage,usb2-oxnas))

@ -0,0 +1,39 @@
CONFIG_ARCH_MULTI_CPU_AUTO=y
# CONFIG_ARCH_MULTI_V4 is not set
# CONFIG_ARCH_MULTI_V4T is not set
CONFIG_ARCH_MULTI_V4_V5=y
CONFIG_ARCH_MULTI_V5=y
# CONFIG_CACHE_L2X0 is not set
CONFIG_CPU_32v5=y
CONFIG_CPU_ABRT_EV5TJ=y
CONFIG_CPU_ARM926T=y
# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
CONFIG_CPU_CACHE_VIVT=y
CONFIG_CPU_COPY_V4WB=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
# CONFIG_CPU_ICACHE_DISABLE is not set
CONFIG_CPU_IDLE=y
# CONFIG_CPU_IDLE_GOV_LADDER is not set
CONFIG_CPU_IDLE_GOV_MENU=y
CONFIG_CPU_IDLE_MULTIPLE_DRIVERS=y
CONFIG_CPU_PABRT_LEGACY=y
CONFIG_CPU_PM=y
CONFIG_CPU_THUMB_CAPABLE=y
CONFIG_CPU_TLB_V4WBI=y
CONFIG_CPU_USE_DOMAINS=y
# CONFIG_DEBUG_LL is not set
# CONFIG_DEBUG_UNCOMPRESS is not set
CONFIG_GENERIC_ATOMIC64=y
CONFIG_MACH_OX810SE=y
CONFIG_NEED_KUSER_HELPERS=y
CONFIG_NEED_PER_CPU_KM=y
# CONFIG_RCU_EXPERT is not set
# CONFIG_RCU_NEED_SEGCBLIST is not set
# CONFIG_RCU_STALL_COMMON is not set
CONFIG_SPLIT_PTLOCK_CPUS=999999
CONFIG_TINY_SRCU=y
CONFIG_EXT4_FS=y
CONFIG_FAT_FS=y
CONFIG_FS_MBCACHE=y

@ -0,0 +1,10 @@
define Profile/Default
NAME:=Default Profile
PRIORITY:=1
endef
define Profile/Default/Description
Default package set compatible with most boards.
endef
$(eval $(call Profile,Default))

@ -0,0 +1,9 @@
FEATURES+=source-only
SUBTARGET:=ox810se
BOARDNAME:=OX810SE
CPU_TYPE:=arm926ej-s
define Target/Description
Oxford OX810SE
endef

@ -0,0 +1,106 @@
CONFIG_ARCH_HAS_TICK_BROADCAST=y
# CONFIG_ARCH_MULTI_CPU_AUTO is not set
CONFIG_ARCH_MULTI_V6=y
CONFIG_ARCH_MULTI_V6_V7=y
CONFIG_ARM_GIC=y
CONFIG_ARM_HEAVY_MB=y
CONFIG_CACHE_L2X0=y
# CONFIG_CACHE_L2X0_PMU is not set
CONFIG_CPU_32v6=y
CONFIG_CPU_32v6K=y
CONFIG_CPU_ABRT_EV6=y
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_CPU_CACHE_V6=y
CONFIG_CPU_CACHE_VIPT=y
CONFIG_CPU_COPY_V6=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
CONFIG_CPU_HAS_ASID=y
# CONFIG_CPU_HOTPLUG_STATE_CONTROL is not set
# CONFIG_CPU_ICACHE_DISABLE is not set
CONFIG_CPU_IDLE=y
# CONFIG_CPU_IDLE_GOV_LADDER is not set
CONFIG_CPU_IDLE_GOV_MENU=y
CONFIG_CPU_IDLE_MULTIPLE_DRIVERS=y
CONFIG_CPU_PABRT_V6=y
CONFIG_CPU_PM=y
CONFIG_CPU_RMAP=y
CONFIG_CPU_THUMB_CAPABLE=y
CONFIG_CPU_TLB_V6=y
CONFIG_CPU_V6K=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_LL=y
CONFIG_DEBUG_LL_INCLUDE="debug/8250.S"
CONFIG_DEBUG_LL_UART_8250=y
# CONFIG_DEBUG_UART_8250 is not set
# CONFIG_DEBUG_UART_8250_FLOW_CONTROL is not set
CONFIG_DEBUG_UART_8250_SHIFT=0
CONFIG_DEBUG_UART_PHYS=0x44200000
CONFIG_DEBUG_UART_VIRT=0xf4200000
CONFIG_DEBUG_UNCOMPRESS=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress-ox820.h"
CONFIG_DMA_CACHE_RWFO=y
CONFIG_FIXED_PHY=y
CONFIG_FORCE_MAX_ZONEORDER=12
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
CONFIG_HAVE_ARM_SCU=y
CONFIG_HAVE_ARM_TWD=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_HAVE_HW_BREAKPOINT=y
CONFIG_HAVE_SMP=y
CONFIG_HOTPLUG_CPU=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_MACH_OX820=y
CONFIG_MIGHT_HAVE_CACHE_L2X0=y
CONFIG_MIGHT_HAVE_PCI=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_NET_FLOW_LIMIT=y
CONFIG_NR_CPUS=16
CONFIG_OUTER_CACHE=y
CONFIG_OUTER_CACHE_SYNC=y
# CONFIG_PL310_ERRATA_588369 is not set
# CONFIG_PL310_ERRATA_727915 is not set
# CONFIG_PL310_ERRATA_753970 is not set
# CONFIG_PL310_ERRATA_769419 is not set
CONFIG_PM_SLEEP_SMP=y
CONFIG_RCU_CPU_STALL_TIMEOUT=21
# CONFIG_RCU_EXPERT is not set
CONFIG_RCU_NEED_SEGCBLIST=y
CONFIG_RCU_STALL_COMMON=y
CONFIG_RFS_ACCEL=y
CONFIG_RPS=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_SMP=y
CONFIG_SMP_ON_UP=y
CONFIG_TREE_RCU=y
CONFIG_TREE_SRCU=y
CONFIG_XPS=y
CONFIG_PCI=y
CONFIG_PCIEAER=y
CONFIG_PCIEPORTBUS=y
CONFIG_PCIE_OXNAS=y
CONFIG_PCIE_PME=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_DOMAINS_GENERIC=y
CONFIG_PCI_MSI=y
CONFIG_PCI_MSI_IRQ_DOMAIN=y
# CONFIG_MTD_CFI is not set
CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
CONFIG_MTD_NAND=y
CONFIG_MTD_NAND_ECC=y
CONFIG_MTD_NAND_OXNAS=y
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_BEB_LIMIT=20
CONFIG_MTD_UBI_BLOCK=y
# CONFIG_MTD_UBI_FASTMAP is not set
# CONFIG_MTD_UBI_GLUEBI is not set
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
CONFIG_UBIFS_FS_SECURITY=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_ARCH_WANT_LIBATA_LEDS=y
CONFIG_ATA_LEDS=y

@ -0,0 +1,21 @@
#
# Copyright (C) 2016 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
define Profile/Default
NAME:=Default Profile
PRIORITY:=1
PACKAGES:=\
kmod-i2c-gpio kmod-gpio-beeper kmod-hwmon-core \
kmod-hwmon-gpiofan kmod-rtc-pcf8563 kmod-rtc-ds1307 \
kmod-usb3
endef
define Profile/Default/Description
Default package set compatible with most boards.
endef
$(eval $(call Profile,Default))

@ -0,0 +1,12 @@
SUBTARGET:=ox820
BOARDNAME:=OX820/NAS782x
CPU_TYPE:=mpcore
FEATURES+=nand pci pcie ubifs usb
DEFAULT_PACKAGES += \
uboot-oxnas-ox820
define Target/Description
Oxford/PLXTECH OX820/NAS782x
endef

@ -0,0 +1,48 @@
From a9d2b105ccd23e07e3dd99d010a34bd5d1c95b42 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Sat, 13 Jan 2018 18:35:59 +0100
Subject: [PATCH 1/3] ARM: dts: rename oxnas dts files
Other platforms' device-tree files start with a platform prefix, such as
sun7i-a20-*.dts or at91-*.dts.
This naming scheme turns out to be handy when using multi-platform build
systems such as OpenWrt.
Prepend oxnas files with their platform prefix to comply with the naming
scheme already used for most other platforms.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/arm/boot/dts/Makefile | 4 ++--
arch/arm/boot/dts/{wd-mbwe.dts => ox810se-wd-mbwe.dts} | 0
...-series-3.dts => ox820-cloudengines-pogoplug-series-3.dts} | 0
3 files changed, 2 insertions(+), 2 deletions(-)
rename arch/arm/boot/dts/{wd-mbwe.dts => ox810se-wd-mbwe.dts} (100%)
rename arch/arm/boot/dts/{cloudengines-pogoplug-series-3.dts => ox820-cloudengines-pogoplug-series-3.dts} (100%)
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index eff87a344566..1ae23ffa6ff4 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -685,8 +685,8 @@ dtb-$(CONFIG_ARCH_ACTIONS) += \
dtb-$(CONFIG_ARCH_PRIMA2) += \
prima2-evb.dtb
dtb-$(CONFIG_ARCH_OXNAS) += \
- wd-mbwe.dtb \
- cloudengines-pogoplug-series-3.dtb
+ ox810se-wd-mbwe.dtb \
+ ox820-cloudengines-pogoplug-series-3.dtb
dtb-$(CONFIG_ARCH_QCOM) += \
qcom-apq8060-dragonboard.dtb \
qcom-apq8064-arrow-sd-600eval.dtb \
diff --git a/arch/arm/boot/dts/wd-mbwe.dts b/arch/arm/boot/dts/ox810se-wd-mbwe.dts
similarity index 100%
rename from arch/arm/boot/dts/wd-mbwe.dts
rename to arch/arm/boot/dts/ox810se-wd-mbwe.dts
diff --git a/arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts b/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts
similarity index 100%
rename from arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
rename to arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts
--
2.17.1

@ -0,0 +1,39 @@
From a018141970d80677d2822fef9d391b85bf9cf99f Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Tue, 6 Feb 2018 15:42:33 -0800
Subject: [PATCH 2/3] MAINTAINERS: update "ARM/OXNAS platform support" patterns
Commit 9e6c62b05c1b ("ARM: dts: rename oxnas dts files") renamed the
files, update the patterns.
[akpm@linux-foundation.org: crunch into a single globbed term, per Arnd]
Link: http://lkml.kernel.org/r/b39d779e143b3c0a4e7dff827346e509447e3e8e.1517147485.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Daniel Golle <daniel@makrotopia.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
MAINTAINERS | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 546beb6b0176..6ecdaed0a3ef 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1677,9 +1677,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-oxnas@lists.tuxfamily.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/mach-oxnas/
-F: arch/arm/boot/dts/ox8*.dtsi
-F: arch/arm/boot/dts/wd-mbwe.dts
-F: arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
+F: arch/arm/boot/dts/ox8*.dts*
N: oxnas
ARM/PALM TREO SUPPORT
--
2.17.1

@ -0,0 +1,117 @@
From 22c1774af921a1cdb33bd37b44977b5b34ea58d0 Mon Sep 17 00:00:00 2001
From: Neil Armstrong <narmstrong@baylibre.com>
Date: Wed, 14 Mar 2018 09:35:44 +0100
Subject: [PATCH 3/3] ARM: configs: add OXNAS v6 defconfig
This patchs adds the minimal defconfig for the OXNAS ARMv6 SoCs
including the OX820 SoC and needed minimal configurations.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/arm/configs/oxnas_v6_defconfig | 93 +++++++++++++++++++++++++++++
1 file changed, 93 insertions(+)
create mode 100644 arch/arm/configs/oxnas_v6_defconfig
diff --git a/arch/arm/configs/oxnas_v6_defconfig b/arch/arm/configs/oxnas_v6_defconfig
new file mode 100644
index 000000000000..f6ba32c9d173
--- /dev/null
+++ b/arch/arm/configs/oxnas_v6_defconfig
@@ -0,0 +1,93 @@
+CONFIG_SYSVIPC=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_CGROUPS=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_EMBEDDED=y
+CONFIG_PERF_EVENTS=y
+CONFIG_STRICT_KERNEL_RWX=y
+CONFIG_STRICT_MODULE_RWX=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_CMDLINE_PARTITION=y
+CONFIG_ARCH_MULTI_V6=y
+CONFIG_ARCH_OXNAS=y
+CONFIG_MACH_OX820=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=16
+CONFIG_CMA=y
+CONFIG_FORCE_MAX_ZONEORDER=12
+CONFIG_SECCOMP=y
+CONFIG_ARM_APPENDED_DTB=y
+CONFIG_ARM_ATAG_DTB_COMPAT=y
+CONFIG_KEXEC=y
+CONFIG_EFI=y
+CONFIG_CPU_IDLE=y
+CONFIG_ARM_CPUIDLE=y
+CONFIG_VFP=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_OPTIMISTIC_DAD=y
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_MIP6=m
+CONFIG_IPV6_TUNNEL=m
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_DMA_CMA=y
+CONFIG_CMA_SIZE_MBYTES=64
+CONFIG_SIMPLE_PM_BUS=y
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_OXNAS=y
+CONFIG_MTD_UBI=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=65536
+CONFIG_NETDEVICES=y
+CONFIG_STMMAC_ETH=y
+CONFIG_REALTEK_PHY=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_GPIO_GENERIC_PLATFORM=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_CLASS_FLASH=m
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_ONESHOT=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_CPU=y
+CONFIG_LEDS_TRIGGER_GPIO=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+CONFIG_ARM_TIMER_SP804=y
+CONFIG_EXT4_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_UBIFS_FS=y
+CONFIG_PSTORE=y
+CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_PMSG=y
+CONFIG_PSTORE_RAM=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_UTF8=y
+CONFIG_PRINTK_TIME=y
+CONFIG_MAGIC_SYSRQ=y
--
2.17.1

@ -0,0 +1,70 @@
From 552ed4955c1fee1109bf5ba137dc35a411a1448c Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Fri, 1 Jun 2018 02:41:15 +0200
Subject: [PATCH] arm: ox820: remove left-overs
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
drivers/clk/clk-oxnas.c | 2 --
include/dt-bindings/clock/oxsemi,ox820.h | 32 +++++++++++-------------
2 files changed, 14 insertions(+), 20 deletions(-)
diff --git a/drivers/clk/clk-oxnas.c b/drivers/clk/clk-oxnas.c
index e51e0023fc6e..da6af71649de 100644
--- a/drivers/clk/clk-oxnas.c
+++ b/drivers/clk/clk-oxnas.c
@@ -40,8 +40,6 @@ struct oxnas_stdclk_data {
struct clk_hw_onecell_data *onecell_data;
struct clk_oxnas_gate **gates;
unsigned int ngates;
- struct clk_oxnas_pll **plls;
- unsigned int nplls;
};
/* Regmap offsets */
diff --git a/include/dt-bindings/clock/oxsemi,ox820.h b/include/dt-bindings/clock/oxsemi,ox820.h
index f661ecc8d760..35b44ca1b104 100644
--- a/include/dt-bindings/clock/oxsemi,ox820.h
+++ b/include/dt-bindings/clock/oxsemi,ox820.h
@@ -17,24 +17,20 @@
#ifndef DT_CLOCK_OXSEMI_OX820_H
#define DT_CLOCK_OXSEMI_OX820_H
-/* PLLs */
-#define CLK_820_PLLA 0
-#define CLK_820_PLLB 1
-
/* Gate Clocks */
-#define CLK_820_LEON 2
-#define CLK_820_DMA_SGDMA 3
-#define CLK_820_CIPHER 4
-#define CLK_820_SD 5
-#define CLK_820_SATA 6
-#define CLK_820_AUDIO 7
-#define CLK_820_USBMPH 8
-#define CLK_820_ETHA 9
-#define CLK_820_PCIEA 10
-#define CLK_820_NAND 11
-#define CLK_820_PCIEB 12
-#define CLK_820_ETHB 13
-#define CLK_820_REF600 14
-#define CLK_820_USBDEV 15
+#define CLK_820_LEON 0
+#define CLK_820_DMA_SGDMA 1
+#define CLK_820_CIPHER 2
+#define CLK_820_SD 3
+#define CLK_820_SATA 4
+#define CLK_820_AUDIO 5
+#define CLK_820_USBMPH 6
+#define CLK_820_ETHA 7
+#define CLK_820_PCIEA 8
+#define CLK_820_NAND 9
+#define CLK_820_PCIEB 10
+#define CLK_820_ETHB 11
+#define CLK_820_REF600 12
+#define CLK_820_USBDEV 13
#endif /* DT_CLOCK_OXSEMI_OX820_H */
--
2.17.1

@ -0,0 +1,273 @@
--- a/drivers/clk/clk-oxnas.c
+++ b/drivers/clk/clk-oxnas.c
@@ -16,19 +16,42 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/clk.h>
+#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/delay.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/stringify.h>
#include <linux/regmap.h>
#include <linux/mfd/syscon.h>
+#include <linux/reset.h>
#include <dt-bindings/clock/oxsemi,ox810se.h>
#include <dt-bindings/clock/oxsemi,ox820.h>
+#define REF300_DIV_INT_SHIFT 8
+#define REF300_DIV_FRAC_SHIFT 0
+#define REF300_DIV_INT(val) ((val) << REF300_DIV_INT_SHIFT)
+#define REF300_DIV_FRAC(val) ((val) << REF300_DIV_FRAC_SHIFT)
+
+#define PLLB_BYPASS 1
+#define PLLB_ENSAT 3
+#define PLLB_OUTDIV 4
+#define PLLB_REFDIV 8
+#define PLLB_DIV_INT_SHIFT 8
+#define PLLB_DIV_FRAC_SHIFT 0
+#define PLLB_DIV_INT(val) ((val) << PLLB_DIV_INT_SHIFT)
+#define PLLB_DIV_FRAC(val) ((val) << PLLB_DIV_FRAC_SHIFT)
+
+#define PLLA_REFDIV_MASK 0x3F
+#define PLLA_REFDIV_SHIFT 8
+#define PLLA_OUTDIV_MASK 0x7
+#define PLLA_OUTDIV_SHIFT 4
+
/* Standard regmap gate clocks */
struct clk_oxnas_gate {
struct clk_hw hw;
@@ -49,6 +70,135 @@ struct oxnas_stdclk_data {
#define CLK_SET_REGOFFSET 0x2c
#define CLK_CLR_REGOFFSET 0x30
+#define PLLA_CTRL0_REGOFFSET 0x1f0
+#define PLLA_CTRL1_REGOFFSET 0x1f4
+#define PLLB_CTRL0_REGOFFSET 0x1001f0
+#define MHZ (1000 * 1000)
+
+struct clk_oxnas_pll {
+ struct clk_hw hw;
+ struct device_node *devnode;
+ struct reset_control *rstc;
+ struct regmap *syscon;
+};
+
+#define to_clk_oxnas_pll(_hw) container_of(_hw, struct clk_oxnas_pll, hw)
+
+static unsigned long plla_clk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_oxnas_pll *plla = to_clk_oxnas_pll(hw);
+ unsigned long fin = parent_rate;
+ unsigned long refdiv, outdiv;
+ unsigned int pll0, fbdiv;
+
+ BUG_ON(regmap_read(plla->syscon, PLLA_CTRL0_REGOFFSET, &pll0));
+
+ refdiv = (pll0 >> PLLA_REFDIV_SHIFT) & PLLA_REFDIV_MASK;
+ refdiv += 1;
+ outdiv = (pll0 >> PLLA_OUTDIV_SHIFT) & PLLA_OUTDIV_MASK;
+ outdiv += 1;
+
+ BUG_ON(regmap_read(plla->syscon, PLLA_CTRL1_REGOFFSET, &fbdiv));
+ /* seems we will not be here when pll is bypassed, so ignore this
+ * case */
+
+ return fin / MHZ * fbdiv / (refdiv * outdiv) / 32768 * MHZ;
+}
+
+static const char *pll_clk_parents[] = {
+ "oscillator",
+};
+
+static struct clk_ops plla_ops = {
+ .recalc_rate = plla_clk_recalc_rate,
+};
+
+static struct clk_init_data clk_plla_init = {
+ .name = "plla",
+ .ops = &plla_ops,
+ .parent_names = pll_clk_parents,
+ .num_parents = ARRAY_SIZE(pll_clk_parents),
+};
+
+static int pllb_clk_is_prepared(struct clk_hw *hw)
+{
+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw);
+
+ return !!pllb->rstc;
+}
+
+static int pllb_clk_prepare(struct clk_hw *hw)
+{
+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw);
+
+ pllb->rstc = of_reset_control_get(pllb->devnode, NULL);
+
+ return IS_ERR(pllb->rstc) ? PTR_ERR(pllb->rstc) : 0;
+}
+
+static void pllb_clk_unprepare(struct clk_hw *hw)
+{
+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw);
+
+ BUG_ON(IS_ERR(pllb->rstc));
+
+ reset_control_put(pllb->rstc);
+ pllb->rstc = NULL;
+}
+
+static int pllb_clk_enable(struct clk_hw *hw)
+{
+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw);
+
+ BUG_ON(IS_ERR(pllb->rstc));
+
+ /* put PLL into bypass */
+ regmap_update_bits(pllb->syscon, PLLB_CTRL0_REGOFFSET, BIT(PLLB_BYPASS), BIT(PLLB_BYPASS));
+ wmb();
+ udelay(10);
+ reset_control_assert(pllb->rstc);
+ udelay(10);
+ /* set PLL B control information */
+ regmap_write_bits(pllb->syscon, PLLB_CTRL0_REGOFFSET, 0xffff,
+ (1 << PLLB_ENSAT) | (1 << PLLB_OUTDIV) | (2 << PLLB_REFDIV));
+ reset_control_deassert(pllb->rstc);
+ udelay(100);
+ regmap_update_bits(pllb->syscon, PLLB_CTRL0_REGOFFSET, BIT(PLLB_BYPASS), 0);
+
+ return 0;
+}
+
+static void pllb_clk_disable(struct clk_hw *hw)
+{
+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw);
+
+ BUG_ON(IS_ERR(pllb->rstc));
+
+ /* put PLL into bypass */
+ regmap_update_bits(pllb->syscon, PLLB_CTRL0_REGOFFSET, BIT(PLLB_BYPASS), BIT(PLLB_BYPASS));
+
+ wmb();
+ udelay(10);
+
+ reset_control_assert(pllb->rstc);
+}
+
+static struct clk_ops pllb_ops = {
+ .prepare = pllb_clk_prepare,
+ .unprepare = pllb_clk_unprepare,
+ .is_prepared = pllb_clk_is_prepared,
+ .enable = pllb_clk_enable,
+ .disable = pllb_clk_disable,
+};
+
+static struct clk_init_data clk_pllb_init = {
+ .name = "pllb",
+ .ops = &pllb_ops,
+ .parent_names = pll_clk_parents,
+ .num_parents = ARRAY_SIZE(pll_clk_parents),
+};
+
static inline struct clk_oxnas_gate *to_clk_oxnas_gate(struct clk_hw *hw)
{
return container_of(hw, struct clk_oxnas_gate, hw);
@@ -262,3 +412,42 @@ static struct platform_driver oxnas_stdc
},
};
builtin_platform_driver(oxnas_stdclk_driver);
+
+void __init oxnas_init_plla(struct device_node *np)
+{
+ struct clk *clk;
+ struct clk_oxnas_pll *plla;
+
+ plla = kmalloc(sizeof(*plla), GFP_KERNEL);
+ BUG_ON(!plla);
+
+ plla->syscon = syscon_node_to_regmap(of_get_parent(np));
+ plla->hw.init = &clk_plla_init;
+ plla->devnode = np;
+ plla->rstc = NULL;
+ clk = clk_register(NULL, &plla->hw);
+ BUG_ON(IS_ERR(clk));
+ /* mark it as enabled */
+ clk_prepare_enable(clk);
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+}
+CLK_OF_DECLARE(oxnas_plla, "plxtech,nas782x-plla", oxnas_init_plla);
+
+void __init oxnas_init_pllb(struct device_node *np)
+{
+ struct clk *clk;
+ struct clk_oxnas_pll *pllb;
+
+ pllb = kmalloc(sizeof(*pllb), GFP_KERNEL);
+ BUG_ON(!pllb);
+
+ pllb->syscon = syscon_node_to_regmap(of_get_parent(np));
+ pllb->hw.init = &clk_pllb_init;
+ pllb->devnode = np;
+ pllb->rstc = NULL;
+
+ clk = clk_register(NULL, &pllb->hw);
+ BUG_ON(IS_ERR(clk));
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+}
+CLK_OF_DECLARE(oxnas_pllb, "plxtech,nas782x-pllb", oxnas_init_pllb);
--- a/arch/arm/boot/dts/ox820.dtsi
+++ b/arch/arm/boot/dts/ox820.dtsi
@@ -60,12 +60,6 @@
clocks = <&osc>;
};
- plla: plla {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <850000000>;
- };
-
armclk: armclk {
compatible = "fixed-factor-clock";
#clock-cells = <0>;
@@ -265,6 +259,19 @@
compatible = "oxsemi,ox820-stdclk", "oxsemi,ox810se-stdclk";
#clock-cells = <1>;
};
+
+ plla: plla {
+ compatible = "plxtech,nas782x-plla";
+ #clock-cells = <0>;
+ clocks = <&osc>;
+ };
+
+ pllb: pllb {
+ compatible = "plxtech,nas782x-pllb";
+ #clock-cells = <0>;
+ clocks = <&osc>;
+ resets = <&reset RESET_PLLB>;
+ };
};
};
@@ -286,6 +293,13 @@
clocks = <&armclk>;
};
+ watchdog@620 {
+ compatible = "mpcore_wdt";
+ reg = <0x620 0x20>;
+ interrupts = <GIC_PPI 14 (GIC_CPU_MASK_RAW(3)|IRQ_TYPE_LEVEL_HIGH)>;
+ clocks = <&armclk>;
+ };
+
gic: gic@1000 {
compatible = "arm,arm11mp-gic";
interrupt-controller;

@ -0,0 +1,108 @@
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -220,4 +220,9 @@ config VMD
To compile this driver as a module, choose M here: the
module will be called vmd.
+config PCIE_OXNAS
+ bool "PLX Oxnas PCIe controller"
+ depends on ARCH_OXNAS
+ select PCIEPORTBUS
+
endmenu
--- a/drivers/pci/host/Makefile
+++ b/drivers/pci/host/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_PCIE_ALTERA) += pcie-altera
obj-$(CONFIG_PCIE_ALTERA_MSI) += pcie-altera-msi.o
obj-$(CONFIG_PCIE_ROCKCHIP) += pcie-rockchip.o
obj-$(CONFIG_PCIE_MEDIATEK) += pcie-mediatek.o
+obj-$(CONFIG_PCIE_OXNAS) += pcie-oxnas.o
obj-$(CONFIG_PCIE_TANGO_SMP8759) += pcie-tango.o
obj-$(CONFIG_VMD) += vmd.o
--- a/arch/arm/boot/dts/ox820.dtsi
+++ b/arch/arm/boot/dts/ox820.dtsi
@@ -302,6 +302,83 @@
reg = <0x1000 0x1000>,
<0x100 0x500>;
};
+
+ pcie0: pcie-controller@c00000 {
+ compatible = "plxtech,nas782x-pcie";
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ /* flag & space bus address host address size */
+ ranges = < 0x82000000 0 0x48000000 0x48000000 0 0x2000000
+ 0xC2000000 0 0x4A000000 0x4A000000 0 0x1E00000
+ 0x81000000 0 0x4BE00000 0x4BE00000 0 0x0100000
+ 0x80000000 0 0x4BF00000 0x4BF00000 0 0x0100000>;
+
+ bus-range = <0x00 0x7f>;
+
+ /* cfg inbound translator phy*/
+ reg = <0x47C00000 0x1000>, <0x47D00000 0x100>, <0x44A00000 0x10>;
+
+ #interrupt-cells = <1>;
+ /* wild card mask, match all bus address & interrupt specifier */
+ /* format: bus address mask, interrupt specifier mask */
+ /* each bit 1 means need match, 0 means ignored when match */
+ interrupt-map-mask = <0 0 0 0>;
+ /* format: a list of: bus address, interrupt specifier,
+ * parent interrupt controller & specifier */
+ interrupt-map = <0 0 0 0 &gic 0 19 0x304>;
+
+ gpios = <&gpio1 12 0>;
+ clocks = <&stdclk CLK_820_PCIEA>, <&pllb>;
+ clock-names = "pcie", "busclk";
+ resets = <&reset RESET_PCIEA>, <&reset RESET_PCIEPHY>;
+ reset-names = "pcie", "phy";
+
+ plxtech,pcie-hcsl-bit = <2>;
+ plxtech,pcie-ctrl-offset = <0x120>;
+ plxtech,pcie-outbound-offset = <0x138>;
+ status = "disabled";
+ };
+
+ pcie1: pcie-controller@e00000 {
+ compatible = "plxtech,nas782x-pcie";
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ /* flag & space bus address host address size */
+ ranges = < 0x82000000 0 0x4C000000 0x4C000000 0 0x2000000
+ 0xC2000000 0 0x4E000000 0x4E000000 0 0x1E00000
+ 0x81000000 0 0x4FE00000 0x4FE00000 0 0x0100000
+ 0x80000000 0 0x4FF00000 0x4FF00000 0 0x0100000>;
+
+ bus-range = <0x80 0xff>;
+
+ /* cfg inbound translator phy*/
+ reg = <0x47E00000 0x1000>, <0x47F00000 0x100>, <0x44A00000 0x10>;
+
+ #interrupt-cells = <1>;
+ /* wild card mask, match all bus address & interrupt specifier */
+ /* format: bus address mask, interrupt specifier mask */
+ /* each bit 1 means need match, 0 means ignored when match */
+ interrupt-map-mask = <0 0 0 0>;
+ /* format: a list of: bus address, interrupt specifier,
+ * parent interrupt controller & specifier */
+ interrupt-map = <0 0 0 0 &gic 0 20 0x304>;
+
+ /* gpios = <&gpio1 12 0>; */
+ clocks = <&stdclk CLK_820_PCIEB>, <&pllb>;
+ clock-names = "pcie", "busclk";
+ resets = <&reset RESET_PCIEB>, <&reset RESET_PCIEPHY>;
+ reset-names = "pcie", "phy";
+
+ plxtech,pcie-hcsl-bit = <3>;
+ plxtech,pcie-ctrl-offset = <0x124>;
+ plxtech,pcie-outbound-offset = <0x174>;
+ status = "disabled";
+ };
+
};
};
};

@ -0,0 +1,49 @@
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -492,6 +492,13 @@ config SATA_VITESSE
If unsure, say N.
+config SATA_OXNAS
+ tristate "PLXTECH NAS782X SATA support"
+ help
+ This option enables support for Nas782x Serial ATA controller.
+
+ If unsure, say N.
+
comment "PATA SFF controllers with BMDMA"
config PATA_ALI
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -46,6 +46,7 @@ obj-$(CONFIG_SATA_SVW) += sata_svw.o
obj-$(CONFIG_SATA_ULI) += sata_uli.o
obj-$(CONFIG_SATA_VIA) += sata_via.o
obj-$(CONFIG_SATA_VITESSE) += sata_vsc.o
+obj-$(CONFIG_SATA_OXNAS) += sata_oxnas.o
# SFF PATA w/ BMDMA
obj-$(CONFIG_PATA_ALI) += pata_ali.o
--- a/arch/arm/boot/dts/ox820.dtsi
+++ b/arch/arm/boot/dts/ox820.dtsi
@@ -380,5 +380,20 @@
};
};
+
+ sata: sata@45900000 {
+ compatible = "plxtech,nas782x-sata";
+ /* ports dmactl sgdma */
+ reg = <0x45900000 0x20000>, <0x459A0000 0x40>, <0x459B0000 0x20>,
+ /* core phy descriptors (optional) */
+ <0x459E0000 0x2000>, <0x44900000 0x0C>, <0x50000000 0x1000>;
+ interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&stdclk CLK_820_SATA>;
+ resets = <&reset RESET_SATA>, <&reset RESET_SATA_LINK>, <&reset RESET_SATA_PHY>;
+ reset-names = "sata", "link", "phy";
+ nr-ports = <1>;
+ status = "disabled";
+ };
+
};
};

@ -0,0 +1,10 @@
--- linux-4.14.44.orig/arch/arm/mach-oxnas/Kconfig
+++ linux-4.14.44/arch/arm/mach-oxnas/Kconfig
@@ -1,6 +1,7 @@
menuconfig ARCH_OXNAS
bool "Oxford Semiconductor OXNAS Family SoCs"
select ARCH_HAS_RESET_CONTROLLER
+ select ARCH_WANT_LIBATA_LEDS
select COMMON_CLK_OXNAS
select GPIOLIB
select MFD_SYSCON

@ -0,0 +1,51 @@
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -334,6 +334,13 @@ config USB_OCTEON_EHCI
USB 2.0 device support. All CN6XXX based chips with USB are
supported.
+config USB_EHCI_OXNAS
+ tristate "OXNAS EHCI Module"
+ depends on USB_EHCI_HCD && ARCH_OXNAS
+ select USB_EHCI_ROOT_HUB_TT
+ ---help---
+ Enable support for the OX820 SOC's on-chip EHCI controller.
+
endif # USB_EHCI_HCD
config USB_OXU210HP_HCD
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -43,6 +43,7 @@ obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-
obj-$(CONFIG_USB_EHCI_MSM) += ehci-msm.o
obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o
obj-$(CONFIG_USB_W90X900_EHCI) += ehci-w90x900.o
+obj-$(CONFIG_USB_EHCI_OXNAS) += ehci-oxnas.o
obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o
obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o
--- a/arch/arm/boot/dts/ox820.dtsi
+++ b/arch/arm/boot/dts/ox820.dtsi
@@ -120,6 +120,22 @@
status = "disabled";
};
+ ehci: ehci@40200100 {
+ compatible = "plxtech,nas782x-ehci";
+ reg = <0x40200100 0xf00>;
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&stdclk CLK_820_USBMPH>, <&pllb>, <&stdclk CLK_820_REF600>;
+ clock-names = "usb", "refsrc", "phyref";
+ resets = <&reset RESET_USBHS>, <&reset RESET_USBPHYA>, <&reset RESET_USBPHYB>;
+ reset-names = "host", "phya", "phyb";
+ oxsemi,sys-ctrl = <&sys>;
+ /* Otherwise ref300 is used, which is derived from sata phy
+ * in that case, usb depends on sata initialization */
+ /* FIXME: how to make this dependency explicit ? */
+ oxsemi,ehci_use_pllb;
+ status = "disabled";
+ };
+
apb-bridge@44000000 {
#address-cells = <1>;
#size-cells = <1>;

@ -0,0 +1,189 @@
From 71270226b14733a4b1f2cde58ea9265caa50b38d Mon Sep 17 00:00:00 2001
From: Adrian Panella <ianchi74@outlook.com>
Date: Thu, 9 Mar 2017 09:37:17 +0100
Subject: [PATCH 67/69] generic: Mangle bootloader's kernel arguments
The command-line arguments provided by the boot loader will be
appended to a new device tree property: bootloader-args.
If there is a property "append-rootblock" in DT under /chosen
and a root= option in bootloaders command line it will be parsed
and added to DT bootargs with the form: <append-rootblock>XX.
Only command line ATAG will be processed, the rest of the ATAGs
sent by bootloader will be ignored.
This is usefull in dual boot systems, to get the current root partition
without afecting the rest of the system.
Signed-off-by: Adrian Panella <ianchi74@outlook.com>
---
arch/arm/Kconfig | 11 +++++
arch/arm/boot/compressed/atags_to_fdt.c | 72 ++++++++++++++++++++++++++++++++-
init/main.c | 16 ++++++++
3 files changed, 98 insertions(+), 1 deletion(-)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1938,6 +1938,17 @@ config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEN
The command-line arguments provided by the boot loader will be
appended to the the device tree bootargs property.
+config ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE
+ bool "Append rootblock parsing bootloader's kernel arguments"
+ help
+ The command-line arguments provided by the boot loader will be
+ appended to a new device tree property: bootloader-args.
+ If there is a property "append-rootblock" in DT under /chosen
+ and a root= option in bootloaders command line it will be parsed
+ and added to DT bootargs with the form: <append-rootblock>XX.
+ Only command line ATAG will be processed, the rest of the ATAGs
+ sent by bootloader will be ignored.
+
endchoice
config CMDLINE
--- a/arch/arm/boot/compressed/atags_to_fdt.c
+++ b/arch/arm/boot/compressed/atags_to_fdt.c
@@ -4,6 +4,8 @@
#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND)
#define do_extend_cmdline 1
+#elif defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE)
+#define do_extend_cmdline 1
#else
#define do_extend_cmdline 0
#endif
@@ -67,6 +69,59 @@ static uint32_t get_cell_size(const void
return cell_size;
}
+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE)
+
+static char *append_rootblock(char *dest, const char *str, int len, void *fdt)
+{
+ char *ptr, *end;
+ char *root="root=";
+ int i, l;
+ const char *rootblock;
+
+ //ARM doesn't have __HAVE_ARCH_STRSTR, so search manually
+ ptr = str - 1;
+
+ do {
+ //first find an 'r' at the begining or after a space
+ do {
+ ptr++;
+ ptr = strchr(ptr, 'r');
+ if(!ptr) return dest;
+
+ } while (ptr != str && *(ptr-1) != ' ');
+
+ //then check for the rest
+ for(i = 1; i <= 4; i++)
+ if(*(ptr+i) != *(root+i)) break;
+
+ } while (i != 5);
+
+ end = strchr(ptr, ' ');
+ end = end ? (end - 1) : (strchr(ptr, 0) - 1);
+
+ //find partition number (assumes format root=/dev/mtdXX | /dev/mtdblockXX | yy:XX )
+ for( i = 0; end >= ptr && *end >= '0' && *end <= '9'; end--, i++);
+ ptr = end + 1;
+
+ /* if append-rootblock property is set use it to append to command line */
+ rootblock = getprop(fdt, "/chosen", "append-rootblock", &l);
+ if(rootblock != NULL) {
+ if(*dest != ' ') {
+ *dest = ' ';
+ dest++;
+ len++;
+ }
+ if (len + l + i <= COMMAND_LINE_SIZE) {
+ memcpy(dest, rootblock, l);
+ dest += l - 1;
+ memcpy(dest, ptr, i);
+ dest += i;
+ }
+ }
+ return dest;
+}
+#endif
+
static void merge_fdt_bootargs(void *fdt, const char *fdt_cmdline)
{
char cmdline[COMMAND_LINE_SIZE];
@@ -86,12 +141,21 @@ static void merge_fdt_bootargs(void *fdt
/* and append the ATAG_CMDLINE */
if (fdt_cmdline) {
+
+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE)
+ //save original bootloader args
+ //and append ubi.mtd with root partition number to current cmdline
+ setprop_string(fdt, "/chosen", "bootloader-args", fdt_cmdline);
+ ptr = append_rootblock(ptr, fdt_cmdline, len, fdt);
+
+#else
len = strlen(fdt_cmdline);
if (ptr - cmdline + len + 2 < COMMAND_LINE_SIZE) {
*ptr++ = ' ';
memcpy(ptr, fdt_cmdline, len);
ptr += len;
}
+#endif
}
*ptr = '\0';
@@ -148,7 +212,9 @@ int atags_to_fdt(void *atag_list, void *
else
setprop_string(fdt, "/chosen", "bootargs",
atag->u.cmdline.cmdline);
- } else if (atag->hdr.tag == ATAG_MEM) {
+ }
+#ifndef CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE
+ else if (atag->hdr.tag == ATAG_MEM) {
if (memcount >= sizeof(mem_reg_property)/4)
continue;
if (!atag->u.mem.size)
@@ -187,6 +253,10 @@ int atags_to_fdt(void *atag_list, void *
setprop(fdt, "/memory", "reg", mem_reg_property,
4 * memcount * memsize);
}
+#else
+
+ }
+#endif
return fdt_pack(fdt);
}
--- a/init/main.c
+++ b/init/main.c
@@ -96,6 +96,10 @@
#include <asm/sections.h>
#include <asm/cacheflush.h>
+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE)
+#include <linux/of.h>
+#endif
+
static int kernel_init(void *);
extern void init_IRQ(void);
@@ -575,6 +579,18 @@ asmlinkage __visible void __init start_k
page_alloc_init();
pr_notice("Kernel command line: %s\n", boot_command_line);
+
+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE)
+ //Show bootloader's original command line for reference
+ if(of_chosen) {
+ const char *prop = of_get_property(of_chosen, "bootloader-args", NULL);
+ if(prop)
+ pr_notice("Bootloader command line (ignored): %s\n", prop);
+ else
+ pr_notice("Bootloader command line not present\n");
+ }
+#endif
+
parse_early_param();
after_dashes = parse_args("Booting kernel",
static_command_line, __start___param,

@ -0,0 +1,57 @@
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1599,6 +1599,14 @@ unsigned ata_exec_internal_sg(struct ata
return AC_ERR_SYSTEM;
}
+ if (ap->ops->acquire_hw && !ap->ops->acquire_hw(ap, 0, 0)) {
+ spin_unlock_irqrestore(ap->lock, flags);
+ if (!ap->ops->acquire_hw(ap, 1, (2*HZ))) {
+ return AC_ERR_TIMEOUT;
+ }
+ spin_lock_irqsave(ap->lock, flags);
+ }
+
/* initialize internal qc */
/* XXX: Tag 0 is used for drivers with legacy EH as some
@@ -5096,6 +5104,9 @@ struct ata_queued_cmd *ata_qc_new_init(s
if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
return NULL;
+ if (ap->ops->qc_new && ap->ops->qc_new(ap))
+ return NULL;
+
/* libsas case */
if (ap->flags & ATA_FLAG_SAS_HOST) {
tag = ata_sas_allocate_tag(ap);
@@ -5141,6 +5152,8 @@ void ata_qc_free(struct ata_queued_cmd *
qc->tag = ATA_TAG_POISON;
if (ap->flags & ATA_FLAG_SAS_HOST)
ata_sas_free_tag(tag, ap);
+ if (ap->ops->qc_free)
+ ap->ops->qc_free(qc);
}
}
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -918,6 +918,8 @@ struct ata_port_operations {
void (*qc_prep)(struct ata_queued_cmd *qc);
unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
bool (*qc_fill_rtf)(struct ata_queued_cmd *qc);
+ int (*qc_new)(struct ata_port *ap);
+ void (*qc_free)(struct ata_queued_cmd *qc);
/*
* Configuration and exception handling
@@ -1008,6 +1010,9 @@ struct ata_port_operations {
void (*phy_reset)(struct ata_port *ap);
void (*eng_timeout)(struct ata_port *ap);
+ int (*acquire_hw)(struct ata_port *ap, int may_sleep,
+ int timeout_jiffies);
+
/*
* ->inherits must be the last field and all the preceding
* fields must be pointers.
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