diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/xscale/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/net/ethernet/xscale/Makefile | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/xscale/ixp4xx_eth.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/xscale/ptp_ixp46x.c (renamed from drivers/ptp/ptp_ixp46x.c) | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/xscale/ptp_ixp46x.h | 68 | ||||
| -rw-r--r-- | drivers/ptp/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/ptp/Makefile | 3 |
7 files changed, 89 insertions, 19 deletions
diff --git a/drivers/net/ethernet/xscale/Kconfig b/drivers/net/ethernet/xscale/Kconfig index cd0a8f46e7c6..98aa7b8ddb06 100644 --- a/drivers/net/ethernet/xscale/Kconfig +++ b/drivers/net/ethernet/xscale/Kconfig @@ -27,4 +27,18 @@ config IXP4XX_ETH Say Y here if you want to use built-in Ethernet ports on IXP4xx processor. +config PTP_1588_CLOCK_IXP46X + tristate "Intel IXP46x as PTP clock" + depends on IXP4XX_ETH + depends on PTP_1588_CLOCK + default y + help + This driver adds support for using the IXP46X as a PTP + clock. This clock is only useful if your PTP programs are + getting hardware time stamps on the PTP Ethernet packets + using the SO_TIMESTAMPING API. + + To compile this driver as a module, choose M here: the module + will be called ptp_ixp46x. + endif # NET_VENDOR_XSCALE diff --git a/drivers/net/ethernet/xscale/Makefile b/drivers/net/ethernet/xscale/Makefile index 794a519d07b3..607f91b1e878 100644 --- a/drivers/net/ethernet/xscale/Makefile +++ b/drivers/net/ethernet/xscale/Makefile @@ -3,4 +3,5 @@ # Makefile for the Intel XScale IXP device drivers. # -obj-$(CONFIG_IXP4XX_ETH) += ixp4xx_eth.o +obj-$(CONFIG_IXP4XX_ETH) += ixp4xx_eth.o +obj-$(CONFIG_PTP_1588_CLOCK_IXP46X) += ptp_ixp46x.o diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index 6fc04ffb22c2..0075ecdb21f4 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -33,10 +33,11 @@ #include <linux/ptp_classify.h> #include <linux/slab.h> #include <linux/module.h> -#include <mach/ixp46x_ts.h> #include <linux/soc/ixp4xx/npe.h> #include <linux/soc/ixp4xx/qmgr.h> +#include "ixp46x_ts.h" + #define DEBUG_DESC 0 #define DEBUG_RX 0 #define DEBUG_TX 0 diff --git a/drivers/ptp/ptp_ixp46x.c b/drivers/net/ethernet/xscale/ptp_ixp46x.c index 67028484e9a0..9ecc395239e9 100644 --- a/drivers/ptp/ptp_ixp46x.c +++ b/drivers/net/ethernet/xscale/ptp_ixp46x.c @@ -15,7 +15,8 @@ #include <linux/module.h> #include <linux/ptp_clock_kernel.h> -#include <mach/ixp46x_ts.h> + +#include "ixp46x_ts.h" #define DRIVER "ptp_ixp46x" #define N_EXT_TS 2 diff --git a/drivers/net/ethernet/xscale/ptp_ixp46x.h b/drivers/net/ethernet/xscale/ptp_ixp46x.h new file mode 100644 index 000000000000..d792130e27b0 --- /dev/null +++ b/drivers/net/ethernet/xscale/ptp_ixp46x.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * PTP 1588 clock using the IXP46X + * + * Copyright (C) 2010 OMICRON electronics GmbH + */ + +#ifndef _IXP46X_TS_H_ +#define _IXP46X_TS_H_ + +#define DEFAULT_ADDEND 0xF0000029 +#define TICKS_NS_SHIFT 4 + +struct ixp46x_channel_ctl { + u32 ch_control; /* 0x40 Time Synchronization Channel Control */ + u32 ch_event; /* 0x44 Time Synchronization Channel Event */ + u32 tx_snap_lo; /* 0x48 Transmit Snapshot Low Register */ + u32 tx_snap_hi; /* 0x4C Transmit Snapshot High Register */ + u32 rx_snap_lo; /* 0x50 Receive Snapshot Low Register */ + u32 rx_snap_hi; /* 0x54 Receive Snapshot High Register */ + u32 src_uuid_lo; /* 0x58 Source UUID0 Low Register */ + u32 src_uuid_hi; /* 0x5C Sequence Identifier/Source UUID0 High */ +}; + +struct ixp46x_ts_regs { + u32 control; /* 0x00 Time Sync Control Register */ + u32 event; /* 0x04 Time Sync Event Register */ + u32 addend; /* 0x08 Time Sync Addend Register */ + u32 accum; /* 0x0C Time Sync Accumulator Register */ + u32 test; /* 0x10 Time Sync Test Register */ + u32 unused; /* 0x14 */ + u32 rsystime_lo; /* 0x18 RawSystemTime_Low Register */ + u32 rsystime_hi; /* 0x1C RawSystemTime_High Register */ + u32 systime_lo; /* 0x20 SystemTime_Low Register */ + u32 systime_hi; /* 0x24 SystemTime_High Register */ + u32 trgt_lo; /* 0x28 TargetTime_Low Register */ + u32 trgt_hi; /* 0x2C TargetTime_High Register */ + u32 asms_lo; /* 0x30 Auxiliary Slave Mode Snapshot Low */ + u32 asms_hi; /* 0x34 Auxiliary Slave Mode Snapshot High */ + u32 amms_lo; /* 0x38 Auxiliary Master Mode Snapshot Low */ + u32 amms_hi; /* 0x3C Auxiliary Master Mode Snapshot High */ + + struct ixp46x_channel_ctl channel[3]; +}; + +/* 0x00 Time Sync Control Register Bits */ +#define TSCR_AMM (1<<3) +#define TSCR_ASM (1<<2) +#define TSCR_TTM (1<<1) +#define TSCR_RST (1<<0) + +/* 0x04 Time Sync Event Register Bits */ +#define TSER_SNM (1<<3) +#define TSER_SNS (1<<2) +#define TTIPEND (1<<1) + +/* 0x40 Time Synchronization Channel Control Register Bits */ +#define MASTER_MODE (1<<0) +#define TIMESTAMP_ALL (1<<1) + +/* 0x44 Time Synchronization Channel Event Register Bits */ +#define TX_SNAPSHOT_LOCKED (1<<0) +#define RX_SNAPSHOT_LOCKED (1<<1) + +/* The ptp_ixp46x module will set this variable */ +extern int ixp46x_phc_index; + +#endif diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig index c382158f587d..475c60dccaa4 100644 --- a/drivers/ptp/Kconfig +++ b/drivers/ptp/Kconfig @@ -56,20 +56,6 @@ config PTP_1588_CLOCK_QORIQ To compile this driver as a module, choose M here: the module will be called ptp-qoriq. -config PTP_1588_CLOCK_IXP46X - tristate "Intel IXP46x as PTP clock" - depends on IXP4XX_ETH - depends on PTP_1588_CLOCK - default y - help - This driver adds support for using the IXP46X as a PTP - clock. This clock is only useful if your PTP programs are - getting hardware time stamps on the PTP Ethernet packets - using the SO_TIMESTAMPING API. - - To compile this driver as a module, choose M here: the module - will be called ptp_ixp46x. - comment "Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks." depends on PHYLIB=n || NETWORK_PHY_TIMESTAMPING=n diff --git a/drivers/ptp/Makefile b/drivers/ptp/Makefile index 3fb91bebbaf7..8c830336f178 100644 --- a/drivers/ptp/Makefile +++ b/drivers/ptp/Makefile @@ -7,10 +7,9 @@ ptp-y := ptp_clock.o ptp_chardev.o ptp_sysfs.o obj-$(CONFIG_PTP_1588_CLOCK) += ptp.o obj-$(CONFIG_PTP_1588_CLOCK_DTE) += ptp_dte.o obj-$(CONFIG_PTP_1588_CLOCK_INES) += ptp_ines.o -obj-$(CONFIG_PTP_1588_CLOCK_IXP46X) += ptp_ixp46x.o obj-$(CONFIG_PTP_1588_CLOCK_PCH) += ptp_pch.o obj-$(CONFIG_PTP_1588_CLOCK_KVM) += ptp_kvm.o obj-$(CONFIG_PTP_1588_CLOCK_QORIQ) += ptp-qoriq.o ptp-qoriq-y += ptp_qoriq.o ptp-qoriq-$(CONFIG_DEBUG_FS) += ptp_qoriq_debugfs.o -obj-$(CONFIG_PTP_1588_CLOCK_IDTCM) += ptp_clockmatrix.o
\ No newline at end of file +obj-$(CONFIG_PTP_1588_CLOCK_IDTCM) += ptp_clockmatrix.o |