diff options
-rw-r--r-- | share/man/man4/scc.4 | 4 | ||||
-rw-r--r-- | sys/conf/NOTES | 4 | ||||
-rw-r--r-- | sys/conf/files | 2 | ||||
-rw-r--r-- | sys/dev/ic/sab82532.h | 327 | ||||
-rw-r--r-- | sys/dev/scc/scc_bfe.h | 1 | ||||
-rw-r--r-- | sys/dev/scc/scc_bus.h | 2 | ||||
-rw-r--r-- | sys/dev/scc/scc_dev_sab82532.c | 154 | ||||
-rw-r--r-- | sys/dev/uart/uart.h | 1 | ||||
-rw-r--r-- | sys/dev/uart/uart_bus_scc.c | 3 | ||||
-rw-r--r-- | sys/dev/uart/uart_dev_sab82532.c | 762 | ||||
-rw-r--r-- | sys/dev/uart/uart_subr.c | 1 | ||||
-rw-r--r-- | sys/modules/scc/Makefile | 2 | ||||
-rw-r--r-- | sys/modules/uart/Makefile | 2 |
13 files changed, 6 insertions, 1259 deletions
diff --git a/share/man/man4/scc.4 b/share/man/man4/scc.4 index 45f6a5e6d596..e03f43011b07 100644 --- a/share/man/man4/scc.4 +++ b/share/man/man4/scc.4 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd December 25, 2020 +.Dd December 26, 2020 .Dt SCC 4 .Os .\" @@ -56,8 +56,6 @@ driver supports the following classes of SCCs: .It QUICC: Freescale/NXP QUad Integrated Communications Controllers. .It -SAB82532: Siemens SAB 82532 based serial communications controllers. -.It Z8530: Zilog 8530 based serial communications controllers. .El .\" diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 22fb430a76c7..657f51c2abb1 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -1771,8 +1771,8 @@ options BREAK_TO_DEBUGGER # A BREAK/DBG on the console goes to options ALT_BREAK_TO_DEBUGGER # Serial Communications Controller -# Supports the Freescale/NXP QUad Integrated, Siemens SAB 82532 and Zilog Z8530 -# multi-channel communications controllers. +# Supports the Freescale/NXP QUad Integrated and Zilog Z8530 multi-channel +# communications controllers. device scc # PCI Universal Communications driver diff --git a/sys/conf/files b/sys/conf/files index 86dce97eb5e8..dc4cadb36c14 100644 --- a/sys/conf/files +++ b/sys/conf/files @@ -3066,7 +3066,6 @@ dev/scc/scc_if.m optional scc dev/scc/scc_bfe_quicc.c optional scc quicc dev/scc/scc_core.c optional scc dev/scc/scc_dev_quicc.c optional scc quicc -dev/scc/scc_dev_sab82532.c optional scc dev/scc/scc_dev_z8530.c optional scc dev/sdhci/sdhci.c optional sdhci dev/sdhci/sdhci_fdt.c optional sdhci fdt @@ -3240,7 +3239,6 @@ dev/uart/uart_dev_mvebu.c optional uart uart_mvebu dev/uart/uart_dev_ns8250.c optional uart uart_ns8250 | uart uart_snps dev/uart/uart_dev_pl011.c optional uart pl011 dev/uart/uart_dev_quicc.c optional uart quicc -dev/uart/uart_dev_sab82532.c optional uart uart_sab82532 | uart scc dev/uart/uart_dev_snps.c optional uart uart_snps fdt dev/uart/uart_dev_z8530.c optional uart uart_z8530 | uart scc dev/uart/uart_if.m optional uart diff --git a/sys/dev/ic/sab82532.h b/sys/dev/ic/sab82532.h deleted file mode 100644 index 4cc723b6464c..000000000000 --- a/sys/dev/ic/sab82532.h +++ /dev/null @@ -1,327 +0,0 @@ -/* $OpenBSD: sab82532reg.h,v 1.2 2002/04/08 17:49:42 jason Exp $ */ - -/*- - * SPDX-License-Identifier: BSD-4-Clause - * - * Copyright (c) 2001 Jason L. Wright (jason@thought.net) - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Jason L. Wright - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * Effort sponsored in part by the Defense Advanced Research Projects - * Agency (DARPA) and Air Force Research Laboratory, Air Force - * Materiel Command, USAF, under agreement number F30602-01-2-0537. - * - * $FreeBSD$ - */ - -#ifndef _DEV_IC_SAB82532_H_ -#define _DEV_IC_SAB82532_H_ - -/* - * Register definitions for SAB82532 based on "Enhanced Serial Communication - * Controller ESCC2 Version 3.2 User's Manual 07.96" from: - * http://www.infineon.com - */ - -#define SAB_NCHAN 2 /* number of channels */ -#define SAB_CHANLEN 0x40 /* length of channel register set */ - -#define SAB_CHAN_A 0x00 /* channel A register offset */ -#define SAB_CHAN_B 0x40 /* channel B register offset */ - -#define SAB_RFIFO 0x00 /* r: rx fifo */ -#define SAB_XFIFO 0x00 /* w: tx fifo */ -#define SAB_STAR 0x20 /* r: status register */ -#define SAB_CMDR 0x20 /* w: command register */ -#define SAB_MODE 0x22 /* rw: mode register */ -#define SAB_TIMR 0x23 /* rw: timer register */ -#define SAB_XON 0x24 /* rw: xon character */ -#define SAB_XOFF 0x25 /* rw: xoff character */ -#define SAB_TCR 0x26 /* rw: termination character */ -#define SAB_DAFO 0x27 /* rw: data format */ -#define SAB_RFC 0x28 /* rw: rfifo control register */ -#define SAB_RBCL 0x2a /* r: rx byte count low */ -#define SAB_TBCL 0x2a /* w: tx byte count low */ -#define SAB_RBCH 0x2b /* r: rx byte count high */ -#define SAB_XBCH 0x2b /* w: tx byte count high */ -#define SAB_CCR0 0x2c /* rw: channel configuration register 0 */ -#define SAB_CCR1 0x2d /* rw: channel configuration register 1 */ -#define SAB_CCR2 0x2e /* rw: channel configuration register 2 */ -#define SAB_CCR3 0x2f /* rw: channel configuration register 3 */ -#define SAB_TSAX 0x30 /* w: time-slot assignment register tx */ -#define SAB_TSAR 0x31 /* w: time-slot assignment register rx */ -#define SAB_XCCR 0x32 /* w: tx channel capacity register */ -#define SAB_RCCR 0x33 /* w: receive channel capacity register */ -#define SAB_VSTR 0x34 /* r: version status */ -#define SAB_BGR 0x34 /* w: baud rate generator */ -#define SAB_TIC 0x35 /* w: transmit immediate character */ -#define SAB_MXN 0x36 /* w: mask xon character */ -#define SAB_MXF 0x37 /* w: mask xoff character */ -#define SAB_GIS 0x38 /* r: global interrupt status */ -#define SAB_IVA 0x38 /* w: interrupt vector address */ -#define SAB_IPC 0x39 /* rw: interrupt port configuration */ -#define SAB_ISR0 0x3a /* r: interrupt status 0 */ -#define SAB_IMR0 0x3a /* w: interrupt mask 0 */ -#define SAB_ISR1 0x3b /* r: interrupt status 1 */ -#define SAB_IMR1 0x3b /* w: interrupt mask 1 */ -#define SAB_PVR 0x3c /* rw: port value register */ -#define SAB_PIS 0x3d /* r: port interrupt status */ -#define SAB_PIM 0x3d /* w: port interrupt mask */ -#define SAB_PCR 0x3e /* w: port configuration register */ -#define SAB_CCR4 0x3f /* rw: channel configuration register 4 */ - -/* SAB_STAR: status register */ -#define SAB_STAR_XDOV 0x80 /* transmit data overflow */ -#define SAB_STAR_XFW 0x40 /* transmit fifo write enable */ -#define SAB_STAR_RFNE 0x20 /* rfifo not empty */ -#define SAB_STAR_FCS 0x10 /* flow control status */ -#define SAB_STAR_TEC 0x08 /* tx immediate char is executing */ -#define SAB_STAR_CEC 0x04 /* command is executing */ -#define SAB_STAR_CTS 0x02 /* cts status: 0:inactive/high,1:active/low */ - -/* SAB_CMDR: command register */ -#define SAB_CMDR_RMC 0x80 /* receive message complete */ -#define SAB_CMDR_RRES 0x40 /* receiver reset */ -#define SAB_CMDR_RFRD 0x20 /* receive fifo read enable */ -#define SAB_CMDR_STI 0x10 /* start timer */ -#define SAB_CMDR_XF 0x08 /* transmit frame */ -#define SAB_CMDR_XRES 0x01 /* transmit reset */ - -/* SAB_MODE: mode register */ -#define SAB_MODE_FRTS 0x40 /* flow control using rts */ -#define SAB_MODE_FCTS 0x20 /* flow control using cts */ -#define SAB_MODE_FLON 0x10 /* flow control on */ -#define SAB_MODE_RAC 0x08 /* receiver active */ -#define SAB_MODE_RTS 0x04 /* request to send */ -#define SAB_MODE_TRS 0x02 /* timer resolution */ -#define SAB_MODE_TLP 0x01 /* test loop */ - -/* SAB_TIMR: timer register */ -#define SAB_TIMR_CNT 0xe0 /* count mask */ -#define SAB_TIMR_VAL 0x1f /* value mask */ - -/* SAB_DAFO: data format */ -#define SAB_DAFO_XBRK 0x40 /* transmit break */ -#define SAB_DAFO_STOP 0x20 /* stop bit: 0:1 bit, 1:2 bits */ -#define SAB_DAFO_PAR1 0x10 /* parity 1, see below */ -#define SAB_DAFO_PAR0 0x08 /* parity 0, see below */ -#define SAB_DAFO_PARE 0x04 /* parity enable */ -#define SAB_DAFO_CHL1 0x02 /* character length 1, see below */ -#define SAB_DAFO_CHL0 0x01 /* character length 0, see below */ - -#define SAB_DAFO_CHL_CSIZE (SAB_DAFO_CHL1|SAB_DAFO_CHL0) -#define SAB_DAFO_CHL_CS5 (SAB_DAFO_CHL1|SAB_DAFO_CHL0) -#define SAB_DAFO_CHL_CS6 (SAB_DAFO_CHL1) -#define SAB_DAFO_CHL_CS7 (SAB_DAFO_CHL0) -#define SAB_DAFO_CHL_CS8 (0) - -#define SAB_DAFO_PARMASK (SAB_DAFO_PAR1|SAB_DAFO_PAR0|SAB_DAFO_PARE) -#define SAB_DAFO_PAR_MARK (SAB_DAFO_PAR1|SAB_DAFO_PAR0|SAB_DAFO_PARE) -#define SAB_DAFO_PAR_EVEN (SAB_DAFO_PAR1|SAB_DAFO_PARE) -#define SAB_DAFO_PAR_ODD (SAB_DAFO_PAR0|SAB_DAFO_PARE) -#define SAB_DAFO_PAR_SPACE (SAB_DAFO_PARE) -#define SAB_DAFO_PAR_NONE (0) - -/* SAB_RFC: rfifo control register */ -#define SAB_RFC_DPS 0x40 /* disable parity storage */ -#define SAB_RFC_DXS 0x20 /* disable storage of xon/xoff characters */ -#define SAB_RFC_RFDF 0x10 /* rfifo data format: 0 data,1 data+stat */ -#define SAB_RFC_RFTH1 0x08 /* rfifo threshold level 1, see below */ -#define SAB_RFC_RFTH0 0x04 /* rfifo threshold level 0, see below */ -#define SAB_RFC_TCDE 0x01 /* termination character detection enable */ - -#define SAB_RFC_RFTH_MASK (SAB_RFC_RFTH1|SAB_RFC_RFTH0) -#define SAB_RFC_RFTH_32CHAR (SAB_RFC_RFTH1|SAB_RFC_RFTH0) -#define SAB_RFC_RFTH_16CHAR (SAB_RFC_RFTH1) -#define SAB_RFC_RFTH_4CHAR (SAB_RFC_RFTH0) -#define SAB_RFC_RFTH_1CHAR (0) - -/* SAB_RBCH: received byte count high */ -#define SAB_RBCH_DMA 0x80 /* read back of XBCH DMA bit */ -#define SAB_RBCH_CAS 0x20 /* read back of XBCH CAS bit */ -#define SAB_RBCH_CNT 0x0f /* ms 4 bits of rx byte count (not used) */ - -/* SAB_XBCH: transmit byte count high */ -#define SAB_XBCH_DMA 0x80 /* dma mode: 1:dma, 0:interrupt */ -#define SAB_XBCH_CAS 0x20 /* carrier detect auto-start */ -#define SAB_XBCH_XC 0x10 /* transmit continuously */ -#define SAB_XBCH_CNT 0x0f /* ms 4 bits of tx byte count */ - -/* SAB_CCR0: channel configuration register 0 */ -#define SAB_CCR0_PU 0x80 /* 0:power-down, 1:power-up */ -#define SAB_CCR0_MCE 0x40 /* master clock enable */ -#define SAB_CCR0_SC2 0x10 /* serial port config 2, see below */ -#define SAB_CCR0_SC1 0x08 /* serial port config 1, see below */ -#define SAB_CCR0_SC0 0x04 /* serial port config 0, see below */ -#define SAB_CCR0_SM1 0x02 /* serial mode 1, see below */ -#define SAB_CCR0_SM0 0x01 /* serial mode 0, see below */ - -#define SAB_CCR0_SC_MASK (SAB_CCR0_SC2|SAB_CCR0_SC1|SAB_CCR0_SC0) -#define SAB_CCR0_SC_NRZ (0) -#define SAB_CCR0_SC_NRZI (SAB_CCR0_SC1) -#define SAB_CCR0_SC_FM0 (SAB_CCR0_SC2) -#define SAB_CCR0_SC_FM1 (SAB_CCR0_SC2|SAB_CCR0_SC0) -#define SAB_CCR0_SC_MANCHESTER (SAB_CCR0_SC2|SAB_CCR0_SC1) - -#define SAB_CCR0_SM_MASK (SAB_CCR0_SM1|SAB_CCR0_SM0) -#define SAB_CCR0_SM_DLC (0) -#define SAB_CCR0_SM_DLCLOOP (SAB_CCR0_SM0) -#define SAB_CCR0_SM_BISYNC (SAB_CCR0_SM1) -#define SAB_CCR0_SM_ASYNC (SAB_CCR0_SM1|SAB_CCR0_SM0) - -/* SAB_CCR1: channel configuration register 1 */ -#define SAB_CCR1_ODS 0x10 /* Output driver select:1:pushpull,0:odrain */ -#define SAB_CCR1_BCR 0x08 /* bit clock rate: 1:async, 0:isochronous */ -#define SAB_CCR1_CM2 0x04 /* clock mode 2, see below */ -#define SAB_CCR1_CM1 0x02 /* clock mode 1, see below */ -#define SAB_CCR1_CM0 0x01 /* clock mode 0, see below */ - -#define SAB_CCR1_CM_MASK (SAB_CCR1_CM2|SAB_CCR1_CM1|SAB_CCR1_CM0) -#define SAB_CCR1_CM_7 (SAB_CCR1_CM2|SAB_CCR1_CM1|SAB_CCR1_CM0) - -/* SAB_CCR2: channel configuration register 2, depends on clock mode above */ -/* clock mode 0a, 1, 4, 5 */ -#define SAB_CCR2_SOC1 0x80 /* special output 1, below */ -#define SAB_CCR2_SOC0 0x40 /* special output 0, below */ -#define SAB_CCR2_SOC_MASK (SAB_CCR2_SOC1|SAB_CCR2_SOC0) -#define SAB_CCR2_SOC_RTSHIGH (SAB_CCR2_SOC1) -#define SAB_CCR2_SOC_RTSNORM (0) -#define SAB_CCR2_SOC_RTSRX (SAB_CCR2_SOC1|SAB_CCR2_SOC0) -/* clock mode 0b, 2, 3, 6, 7 */ -#define SAB_CCR2_BR9 0x80 /* baud rate bit 9 */ -#define SAB_CCR2_BR8 0x40 /* baud rate bit 8 */ -#define SAB_CCR2_BDF 0x20 /* baud rate division factor: 0:1: 1:BRG */ -#define SAB_CCR2_SSEL 0x10 /* clock source select */ -/* clock mode 5 */ -#define SAB_CCR2_XCS0 0x20 /* tx clock shift, bit 0 */ -#define SAB_CCR2_RCS0 0x10 /* rx clock shift, bit 0 */ -/* clock mode 0b, 2, 3, 4, 5, 6, 7 */ -#define SAB_CCR2_TOE 0x08 /* tx clock output enable */ -/* clock mode 0a, 0b, 1, 2, 3, 4, 5, 6, 7 */ -#define SAB_CCR2_RWX 0x04 /* read/write exchange (dma mode only) */ -#define SAB_CCR2_DIV 0x01 /* data inversion (nrz) */ - -/* SAB_CCR3: channel configuration register 3 (v2 or greater) */ -#define SAB_CCR3_PSD 0x01 /* dpll phase shift disable (nrz/nrzi) */ - -/* SAB_TSAX: time-slot assignment register transmit (clock mode 5 only) */ -#define SAB_TSAX_TSNX 0xfc /* time-slot number transmit */ -#define SAB_TSAX_XCS2 0x02 /* transmit clock shift bit 2 */ -#define SAB_TSAX_XCS1 0x01 /* transmit clock shift bit 1 */ - -/* SAB_TSAR: time-slot assignment register receive (clock mode 5 only) */ -#define SAB_TSAR_TSNR 0xfc /* time-slot number receive */ -#define SAB_TSAR_RCS2 0x02 /* receive clock shift bit 2 */ -#define SAB_TSAR_RCS1 0x01 /* receive clock shift bit 1 */ - -/* SAB_VSTR: version status register */ -#define SAB_VSTR_CD 0x80 /* carrier detect status */ -#define SAB_VSTR_DPLA 0x40 /* dpll asynchronous */ -#define SAB_VSTR_VMASK 0x0f /* chip version mask: */ -#define SAB_VSTR_V_1 0x00 /* version 1 */ -#define SAB_VSTR_V_2 0x01 /* version 2 */ -#define SAB_VSTR_V_32 0x02 /* version 3.2 */ - -/* SAB_GIS: global interrupt status register */ -#define SAB_GIS_PI 0x80 /* universal port interrupt */ -#define SAB_GIS_ISA1 0x08 /* interrupt status a1 */ -#define SAB_GIS_ISA0 0x04 /* interrupt status a0 */ -#define SAB_GIS_ISB1 0x02 /* interrupt status b1 */ -#define SAB_GIS_ISB0 0x01 /* interrupt status b0 */ - -/* SAB_IVA: interrupt vector address */ -#define SAB_IVA_MASK 0xf8 /* interrupt vector address mask */ - -/* SAB_IPC: interrupt port configuration */ -#define SAB_IPC_VIS 0x80 /* masked interrupt bits visible */ -#define SAB_IPC_SLAMASK 0x18 /* slave address mask */ -#define SAB_IPC_CASM 0x04 /* cascading mode */ -#define SAB_IPC_ICMASK 0x03 /* port config mask: */ -#define SAB_IPC_ICOD 0x00 /* open drain output */ -#define SAB_IPC_ICPL 0x01 /* push/pull active low output */ -#define SAB_IPC_ICPH 0x03 /* push/pull active high output */ - -/* SAB_ISR0: interrupt status 0 */ -#define SAB_ISR0_TCD 0x80 /* termination character detected */ -#define SAB_ISR0_TIME 0x40 /* time-out limit exceeded */ -#define SAB_ISR0_PERR 0x20 /* parity error */ -#define SAB_ISR0_FERR 0x10 /* framing error */ -#define SAB_ISR0_PLLA 0x08 /* dpll asynchronous */ -#define SAB_ISR0_CDSC 0x04 /* carrier detect status change */ -#define SAB_ISR0_RFO 0x02 /* rfifo overflow */ -#define SAB_ISR0_RPF 0x01 /* receive pool full */ - -/* SAB_ISR1: interrupt status 1 */ -#define SAB_ISR1_BRK 0x80 /* break detected */ -#define SAB_ISR1_BRKT 0x40 /* break terminated */ -#define SAB_ISR1_ALLS 0x20 /* all sent */ -#define SAB_ISR1_XOFF 0x10 /* xoff detected */ -#define SAB_ISR1_TIN 0x08 /* timer interrupt */ -#define SAB_ISR1_CSC 0x04 /* clear to send status change */ -#define SAB_ISR1_XON 0x02 /* xon detected */ -#define SAB_ISR1_XPR 0x01 /* transmit pool ready */ - -/* SAB_IMR0: interrupt mask 0 */ -#define SAB_IMR0_TCD 0x80 /* termination character detected */ -#define SAB_IMR0_TIME 0x40 /* time-out limit exceeded */ -#define SAB_IMR0_PERR 0x20 /* parity error */ -#define SAB_IMR0_FERR 0x10 /* framing error */ -#define SAB_IMR0_PLLA 0x08 /* dpll asynchronous */ -#define SAB_IMR0_CDSC 0x04 /* carrier detect status change */ -#define SAB_IMR0_RFO 0x02 /* rfifo overflow */ -#define SAB_IMR0_RPF 0x01 /* receive pool full */ - -/* SAB_ISR1: interrupt mask 1 */ -#define SAB_IMR1_BRK 0x80 /* break detected */ -#define SAB_IMR1_BRKT 0x40 /* break terminated */ -#define SAB_IMR1_ALLS 0x20 /* all sent */ -#define SAB_IMR1_XDU 0x10 /* xoff detected */ -#define SAB_IMR1_TIN 0x08 /* timer interrupt */ -#define SAB_IMR1_CSC 0x04 /* clear to send status change */ -#define SAB_IMR1_XMR 0x02 /* xon detected */ -#define SAB_IMR1_XPR 0x01 /* transmit pool ready */ - -/* SAB_PVR: port value register */ -#define SAB_PVR_DSR_A 0x01 /* port A DSR */ -#define SAB_PVR_DTR_A 0x02 /* port A DTR */ -#define SAB_PVR_DTR_B 0x04 /* port B DTR */ -#define SAB_PVR_DSR_B 0x08 /* port B DSR */ -#define SAB_PVR_MAGIC 0x10 /* dunno... */ - -/* SAB_CCR4: channel configuration register 4 */ -#define SAB_CCR4_MCK4 0x80 /* master clock divide by 4 */ -#define SAB_CCR4_EBRG 0x40 /* enhanced baud rate generator mode */ -#define SAB_CCR4_TST1 0x20 /* test pin */ -#define SAB_CCR4_ICD 0x10 /* invert polarity of carrier detect */ - -/* Receive status byte */ -#define SAB_RSTAT_PE 0x80 /* parity error */ -#define SAB_RSTAT_FE 0x40 /* framing error */ -#define SAB_RSTAT_PAR 0x01 /* parity bit */ - -#endif /* _DEV_IC_SAB82532_H_ */ diff --git a/sys/dev/scc/scc_bfe.h b/sys/dev/scc/scc_bfe.h index 0b7f91f83f99..1ccd176e5539 100644 --- a/sys/dev/scc/scc_bfe.h +++ b/sys/dev/scc/scc_bfe.h @@ -113,7 +113,6 @@ struct scc_class { }; extern struct scc_class scc_quicc_class; -extern struct scc_class scc_sab82532_class; extern struct scc_class scc_z8530_escc_class; extern struct scc_class scc_z8530_legacy_class; diff --git a/sys/dev/scc/scc_bus.h b/sys/dev/scc/scc_bus.h index 47a43db01a65..08fcd2626fa5 100644 --- a/sys/dev/scc/scc_bus.h +++ b/sys/dev/scc/scc_bus.h @@ -42,7 +42,7 @@ #define SCC_IVAR_HWMTX 5 /* Hardware class -- the SCC type. */ -#define SCC_CLASS_SAB82532 0 +#define SCC_CLASS_UNUSED 0 #define SCC_CLASS_Z8530 1 #define SCC_CLASS_QUICC 2 diff --git a/sys/dev/scc/scc_dev_sab82532.c b/sys/dev/scc/scc_dev_sab82532.c deleted file mode 100644 index 9bf02198552f..000000000000 --- a/sys/dev/scc/scc_dev_sab82532.c +++ /dev/null @@ -1,154 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2004-2006 Marcel Moolenaar - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/conf.h> -#include <machine/bus.h> -#include <sys/lock.h> -#include <sys/mutex.h> -#include <sys/rman.h> -#include <sys/serial.h> - -#include <dev/scc/scc_bfe.h> -#include <dev/scc/scc_bus.h> - -#include <dev/ic/sab82532.h> - -#include "scc_if.h" - -static int sab82532_bfe_attach(struct scc_softc *, int); -static int sab82532_bfe_iclear(struct scc_softc *, struct scc_chan *); -static int sab82532_bfe_ipend(struct scc_softc *); -static int sab82532_bfe_probe(struct scc_softc *); - -static kobj_method_t sab82532_methods[] = { - KOBJMETHOD(scc_attach, sab82532_bfe_attach), - KOBJMETHOD(scc_iclear, sab82532_bfe_iclear), - KOBJMETHOD(scc_ipend, sab82532_bfe_ipend), - KOBJMETHOD(scc_probe, sab82532_bfe_probe), - KOBJMETHOD_END -}; - -struct scc_class scc_sab82532_class = { - "sab82532 class", - sab82532_methods, - sizeof(struct scc_softc), - .cl_channels = SAB_NCHAN, - .cl_class = SCC_CLASS_SAB82532, - .cl_modes = SCC_MODE_ASYNC | SCC_MODE_BISYNC | SCC_MODE_HDLC, - .cl_range = SAB_CHANLEN, -}; - -static int -sab82532_bfe_attach(struct scc_softc *sc __unused, int reset __unused) -{ - - return (0); -} - -static int -sab82532_bfe_iclear(struct scc_softc *sc, struct scc_chan *ch) -{ - struct scc_bas *bas; - int i, ofs, rbcl; - - bas = &sc->sc_bas; - ofs = (ch->ch_nr - 1) * SAB_CHANLEN; - mtx_lock_spin(&sc->sc_hwmtx); - if (ch->ch_ipend & SER_INT_RXREADY) { - if (scc_getreg(bas, ofs + SAB_STAR) & SAB_STAR_RFNE) { - rbcl = scc_getreg(bas, ofs + SAB_RBCL) & 31; - if (rbcl == 0) - rbcl = 32; - for (i = 0; i < rbcl; i += 2) { - (void)scc_getreg(bas, ofs + SAB_RFIFO); - (void)scc_getreg(bas, ofs + SAB_RFIFO + 1); - } - } - while (scc_getreg(bas, ofs + SAB_STAR) & SAB_STAR_CEC) - ; - scc_setreg(bas, ofs + SAB_CMDR, SAB_CMDR_RMC); - scc_barrier(bas); - } - mtx_unlock_spin(&sc->sc_hwmtx); - return (0); -} - -static int -sab82532_bfe_ipend(struct scc_softc *sc) -{ - struct scc_bas *bas; - struct scc_chan *ch; - int ipend; - int c, ofs; - uint8_t isr0, isr1; - - bas = &sc->sc_bas; - ipend = 0; - for (c = 0; c < SAB_NCHAN; c++) { - ch = &sc->sc_chan[c]; - ofs = c * SAB_CHANLEN; - mtx_lock_spin(&sc->sc_hwmtx); - isr0 = scc_getreg(bas, ofs + SAB_ISR0); - isr1 = scc_getreg(bas, ofs + SAB_ISR1); - scc_barrier(bas); - if (isr0 & SAB_ISR0_TIME) { - while (scc_getreg(bas, ofs + SAB_STAR) & SAB_STAR_CEC) - ; - scc_setreg(bas, ofs + SAB_CMDR, SAB_CMDR_RFRD); - scc_barrier(bas); - } - mtx_unlock_spin(&sc->sc_hwmtx); - - ch->ch_ipend = 0; - if (isr1 & SAB_ISR1_BRKT) - ch->ch_ipend |= SER_INT_BREAK; - if (isr0 & SAB_ISR0_RFO) - ch->ch_ipend |= SER_INT_OVERRUN; - if (isr0 & (SAB_ISR0_TCD|SAB_ISR0_RPF)) - ch->ch_ipend |= SER_INT_RXREADY; - if ((isr0 & SAB_ISR0_CDSC) || (isr1 & SAB_ISR1_CSC)) - ch->ch_ipend |= SER_INT_SIGCHG; - if (isr1 & SAB_ISR1_ALLS) - ch->ch_ipend |= SER_INT_TXIDLE; - ipend |= ch->ch_ipend; - } - return (ipend); -} - -static int -sab82532_bfe_probe(struct scc_softc *sc __unused) -{ - - return (0); -} diff --git a/sys/dev/uart/uart.h b/sys/dev/uart/uart.h index 4ef6af3d901b..ed3b7017d746 100644 --- a/sys/dev/uart/uart.h +++ b/sys/dev/uart/uart.h @@ -104,7 +104,6 @@ struct uart_class; extern struct uart_class uart_ns8250_class __attribute__((weak)); extern struct uart_class uart_quicc_class __attribute__((weak)); extern struct uart_class uart_s3c2410_class __attribute__((weak)); -extern struct uart_class uart_sab82532_class __attribute__((weak)); extern struct uart_class uart_sbbc_class __attribute__((weak)); extern struct uart_class uart_z8530_class __attribute__((weak)); diff --git a/sys/dev/uart/uart_bus_scc.c b/sys/dev/uart/uart_bus_scc.c index 6666a35e272e..3b643524825e 100644 --- a/sys/dev/uart/uart_bus_scc.c +++ b/sys/dev/uart/uart_bus_scc.c @@ -100,9 +100,6 @@ uart_scc_probe(device_t dev) case SCC_CLASS_QUICC: sc->sc_class = &uart_quicc_class; break; - case SCC_CLASS_SAB82532: - sc->sc_class = &uart_sab82532_class; - break; case SCC_CLASS_Z8530: sc->sc_class = &uart_z8530_class; break; diff --git a/sys/dev/uart/uart_dev_sab82532.c b/sys/dev/uart/uart_dev_sab82532.c deleted file mode 100644 index 9cf41be5d7ab..000000000000 --- a/sys/dev/uart/uart_dev_sab82532.c +++ /dev/null @@ -1,762 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2003 Marcel Moolenaar - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/conf.h> -#include <machine/bus.h> - -#include <dev/uart/uart.h> -#include <dev/uart/uart_cpu.h> -#include <dev/uart/uart_bus.h> - -#include <dev/ic/sab82532.h> - -#include "uart_if.h" - -#define DEFAULT_RCLK 29491200 - -/* - * NOTE: To allow us to read the baudrate divisor from the chip, we - * copy the value written to the write-only BGR register to an unused - * read-write register. We use TCR for that. - */ - -static int -sab82532_delay(struct uart_bas *bas) -{ - int divisor, m, n; - uint8_t bgr, ccr2; - - bgr = uart_getreg(bas, SAB_TCR); - ccr2 = uart_getreg(bas, SAB_CCR2); - n = (bgr & 0x3f) + 1; - m = (bgr >> 6) | ((ccr2 >> 4) & 0xC); - divisor = n * (1<<m); - - /* 1/10th the time to transmit 1 character (estimate). */ - return (16000000 * divisor / bas->rclk); -} - -static int -sab82532_divisor(int rclk, int baudrate) -{ - int act_baud, act_div, divisor; - int error, m, n; - - if (baudrate == 0) - return (0); - - divisor = (rclk / (baudrate << 3) + 1) >> 1; - if (divisor < 2 || divisor >= 1048576) - return (0); - - /* Find the best (N+1,M) pair. */ - for (m = 1; m < 15; m++) { - n = divisor / (1<<m); - if (n < 1 || n > 63) - continue; - act_div = n * (1<<m); - act_baud = rclk / (act_div << 4); - - /* 10 times error in percent: */ - error = ((act_baud - baudrate) * 2000 / baudrate + 1) >> 1; - - /* 3.0% maximum error tolerance: */ - if (error < -30 || error > 30) - continue; - - /* Got it. */ - return ((n - 1) | (m << 6)); - } - - return (0); -} - -static void -sab82532_flush(struct uart_bas *bas, int what) -{ - - if (what & UART_FLUSH_TRANSMITTER) { - while (uart_getreg(bas, SAB_STAR) & SAB_STAR_CEC) - ; - uart_setreg(bas, SAB_CMDR, SAB_CMDR_XRES); - uart_barrier(bas); - } - if (what & UART_FLUSH_RECEIVER) { - while (uart_getreg(bas, SAB_STAR) & SAB_STAR_CEC) - ; - uart_setreg(bas, SAB_CMDR, SAB_CMDR_RRES); - uart_barrier(bas); - } -} - -static int -sab82532_param(struct uart_bas *bas, int baudrate, int databits, int stopbits, - int parity) -{ - int divisor; - uint8_t ccr2, dafo; - - if (databits >= 8) - dafo = SAB_DAFO_CHL_CS8; - else if (databits == 7) - dafo = SAB_DAFO_CHL_CS7; - else if (databits == 6) - dafo = SAB_DAFO_CHL_CS6; - else - dafo = SAB_DAFO_CHL_CS5; - if (stopbits > 1) - dafo |= SAB_DAFO_STOP; - switch (parity) { - case UART_PARITY_EVEN: dafo |= SAB_DAFO_PAR_EVEN; break; - case UART_PARITY_MARK: dafo |= SAB_DAFO_PAR_MARK; break; - case UART_PARITY_NONE: dafo |= SAB_DAFO_PAR_NONE; break; - case UART_PARITY_ODD: dafo |= SAB_DAFO_PAR_ODD; break; - case UART_PARITY_SPACE: dafo |= SAB_DAFO_PAR_SPACE; break; - default: return (EINVAL); - } - - /* Set baudrate. */ - if (baudrate > 0) { - divisor = sab82532_divisor(bas->rclk, baudrate); - if (divisor == 0) - return (EINVAL); - uart_setreg(bas, SAB_BGR, divisor & 0xff); - uart_barrier(bas); - /* Allow reading the (n-1,m) tuple from the chip. */ - uart_setreg(bas, SAB_TCR, divisor & 0xff); - uart_barrier(bas); - ccr2 = uart_getreg(bas, SAB_CCR2); - ccr2 &= ~(SAB_CCR2_BR9 | SAB_CCR2_BR8); - ccr2 |= (divisor >> 2) & (SAB_CCR2_BR9 | SAB_CCR2_BR8); - uart_setreg(bas, SAB_CCR2, ccr2); - uart_barrier(bas); - } - - uart_setreg(bas, SAB_DAFO, dafo); - uart_barrier(bas); - return (0); -} - -/* - * Low-level UART interface. - */ -static int sab82532_probe(struct uart_bas *bas); -static void sab82532_init(struct uart_bas *bas, int, int, int, int); -static void sab82532_term(struct uart_bas *bas); -static void sab82532_putc(struct uart_bas *bas, int); -static int sab82532_rxready(struct uart_bas *bas); -static int sab82532_getc(struct uart_bas *bas, struct mtx *); - -static struct uart_ops uart_sab82532_ops = { - .probe = sab82532_probe, - .init = sab82532_init, - .term = sab82532_term, - .putc = sab82532_putc, - .rxready = sab82532_rxready, - .getc = sab82532_getc, -}; - -static int -sab82532_probe(struct uart_bas *bas) -{ - - return (0); -} - -static void -sab82532_init(struct uart_bas *bas, int baudrate, int databits, int stopbits, - int parity) -{ - uint8_t ccr0, pvr; - - if (bas->rclk == 0) - bas->rclk = DEFAULT_RCLK; - - /* - * Set all pins, except the DTR pins (pin 1 and 2) to be inputs. - * Pin 4 is magical, meaning that I don't know what it does, but - * it too has to be set to output. - */ - uart_setreg(bas, SAB_PCR, - ~(SAB_PVR_DTR_A|SAB_PVR_DTR_B|SAB_PVR_MAGIC)); - uart_barrier(bas); - /* Disable port interrupts. */ - uart_setreg(bas, SAB_PIM, 0xff); - uart_barrier(bas); - /* Interrupts are active low. */ - uart_setreg(bas, SAB_IPC, SAB_IPC_ICPL); - uart_barrier(bas); - /* Set DTR. */ - pvr = uart_getreg(bas, SAB_PVR); - switch (bas->chan) { - case 1: - pvr &= ~SAB_PVR_DTR_A; - break; - case 2: - pvr &= ~SAB_PVR_DTR_B; - break; - } - uart_setreg(bas, SAB_PVR, pvr | SAB_PVR_MAGIC); - uart_barrier(bas); - - /* power down */ - uart_setreg(bas, SAB_CCR0, 0); - uart_barrier(bas); - - /* set basic configuration */ - ccr0 = SAB_CCR0_MCE|SAB_CCR0_SC_NRZ|SAB_CCR0_SM_ASYNC; - uart_setreg(bas, SAB_CCR0, ccr0); - uart_barrier(bas); - uart_setreg(bas, SAB_CCR1, SAB_CCR1_ODS|SAB_CCR1_BCR|SAB_CCR1_CM_7); - uart_barrier(bas); - uart_setreg(bas, SAB_CCR2, SAB_CCR2_BDF|SAB_CCR2_SSEL|SAB_CCR2_TOE); - uart_barrier(bas); - uart_setreg(bas, SAB_CCR3, 0); - uart_barrier(bas); - uart_setreg(bas, SAB_CCR4, SAB_CCR4_MCK4|SAB_CCR4_EBRG|SAB_CCR4_ICD); - uart_barrier(bas); - uart_setreg(bas, SAB_MODE, SAB_MODE_FCTS|SAB_MODE_RTS|SAB_MODE_RAC); - uart_barrier(bas); - uart_setreg(bas, SAB_RFC, SAB_RFC_DPS|SAB_RFC_RFDF| - SAB_RFC_RFTH_32CHAR); - uart_barrier(bas); - - sab82532_param(bas, baudrate, databits, stopbits, parity); - - /* Clear interrupts. */ - uart_setreg(bas, SAB_IMR0, (unsigned char)~SAB_IMR0_TCD); - uart_setreg(bas, SAB_IMR1, 0xff); - uart_barrier(bas); - uart_getreg(bas, SAB_ISR0); - uart_getreg(bas, SAB_ISR1); - uart_barrier(bas); - - sab82532_flush(bas, UART_FLUSH_TRANSMITTER|UART_FLUSH_RECEIVER); - - /* Power up. */ - uart_setreg(bas, SAB_CCR0, ccr0|SAB_CCR0_PU); - uart_barrier(bas); -} - -static void -sab82532_term(struct uart_bas *bas) -{ - uint8_t pvr; - - pvr = uart_getreg(bas, SAB_PVR); - switch (bas->chan) { - case 1: - pvr |= SAB_PVR_DTR_A; - break; - case 2: - pvr |= SAB_PVR_DTR_B; - break; - } - uart_setreg(bas, SAB_PVR, pvr); - uart_barrier(bas); -} - -static void -sab82532_putc(struct uart_bas *bas, int c) -{ - int delay, limit; - - /* 1/10th the time to transmit 1 character (estimate). */ - delay = sab82532_delay(bas); - - limit = 20; - while ((uart_getreg(bas, SAB_STAR) & SAB_STAR_TEC) && --limit) - DELAY(delay); - uart_setreg(bas, SAB_TIC, c); - limit = 20; - while ((uart_getreg(bas, SAB_STAR) & SAB_STAR_TEC) && --limit) - DELAY(delay); -} - -static int -sab82532_rxready(struct uart_bas *bas) -{ - - return ((uart_getreg(bas, SAB_STAR) & SAB_STAR_RFNE) != 0 ? 1 : 0); -} - -static int -sab82532_getc(struct uart_bas *bas, struct mtx *hwmtx) -{ - int c, delay; - - uart_lock(hwmtx); - - /* 1/10th the time to transmit 1 character (estimate). */ - delay = sab82532_delay(bas); - - while (!(uart_getreg(bas, SAB_STAR) & SAB_STAR_RFNE)) { - uart_unlock(hwmtx); - DELAY(delay); - uart_lock(hwmtx); - } - - while (uart_getreg(bas, SAB_STAR) & SAB_STAR_CEC) - ; - uart_setreg(bas, SAB_CMDR, SAB_CMDR_RFRD); - uart_barrier(bas); - - while (!(uart_getreg(bas, SAB_ISR0) & SAB_ISR0_TCD)) - DELAY(delay); - - c = uart_getreg(bas, SAB_RFIFO); - uart_barrier(bas); - - /* Blow away everything left in the FIFO... */ - while (uart_getreg(bas, SAB_STAR) & SAB_STAR_CEC) - ; - uart_setreg(bas, SAB_CMDR, SAB_CMDR_RMC); - uart_barrier(bas); - - uart_unlock(hwmtx); - - return (c); -} - -/* - * High-level UART interface. - */ -struct sab82532_softc { - struct uart_softc base; -}; - -static int sab82532_bus_attach(struct uart_softc *); -static int sab82532_bus_detach(struct uart_softc *); -static int sab82532_bus_flush(struct uart_softc *, int); -static int sab82532_bus_getsig(struct uart_softc *); -static int sab82532_bus_ioctl(struct uart_softc *, int, intptr_t); -static int sab82532_bus_ipend(struct uart_softc *); -static int sab82532_bus_param(struct uart_softc *, int, int, int, int); -static int sab82532_bus_probe(struct uart_softc *); -static int sab82532_bus_receive(struct uart_softc *); -static int sab82532_bus_setsig(struct uart_softc *, int); -static int sab82532_bus_transmit(struct uart_softc *); -static void sab82532_bus_grab(struct uart_softc *); -static void sab82532_bus_ungrab(struct uart_softc *); - -static kobj_method_t sab82532_methods[] = { - KOBJMETHOD(uart_attach, sab82532_bus_attach), - KOBJMETHOD(uart_detach, sab82532_bus_detach), - KOBJMETHOD(uart_flush, sab82532_bus_flush), - KOBJMETHOD(uart_getsig, sab82532_bus_getsig), - KOBJMETHOD(uart_ioctl, sab82532_bus_ioctl), - KOBJMETHOD(uart_ipend, sab82532_bus_ipend), - KOBJMETHOD(uart_param, sab82532_bus_param), - KOBJMETHOD(uart_probe, sab82532_bus_probe), - KOBJMETHOD(uart_receive, sab82532_bus_receive), - KOBJMETHOD(uart_setsig, sab82532_bus_setsig), - KOBJMETHOD(uart_transmit, sab82532_bus_transmit), - KOBJMETHOD(uart_grab, sab82532_bus_grab), - KOBJMETHOD(uart_ungrab, sab82532_bus_ungrab), - { 0, 0 } -}; - -struct uart_class uart_sab82532_class = { - "sab82532", - sab82532_methods, - sizeof(struct sab82532_softc), - .uc_ops = &uart_sab82532_ops, - .uc_range = 64, - .uc_rclk = DEFAULT_RCLK, - .uc_rshift = 0 -}; - -#define SIGCHG(c, i, s, d) \ - if (c) { \ - i |= (i & s) ? s : s | d; \ - } else { \ - i = (i & s) ? (i & ~s) | d : i; \ - } - -static int -sab82532_bus_attach(struct uart_softc *sc) -{ - struct uart_bas *bas; - uint8_t imr0, imr1; - - bas = &sc->sc_bas; - if (sc->sc_sysdev == NULL) - sab82532_init(bas, 9600, 8, 1, UART_PARITY_NONE); - - imr0 = SAB_IMR0_TCD|SAB_IMR0_TIME|SAB_IMR0_CDSC|SAB_IMR0_RFO| - SAB_IMR0_RPF; - uart_setreg(bas, SAB_IMR0, 0xff & ~imr0); - imr1 = SAB_IMR1_BRKT|SAB_IMR1_ALLS|SAB_IMR1_CSC; - uart_setreg(bas, SAB_IMR1, 0xff & ~imr1); - uart_barrier(bas); - - if (sc->sc_sysdev == NULL) - sab82532_bus_setsig(sc, SER_DDTR|SER_DRTS); - (void)sab82532_bus_getsig(sc); - return (0); -} - -static int -sab82532_bus_detach(struct uart_softc *sc) -{ - struct uart_bas *bas; - - bas = &sc->sc_bas; - uart_setreg(bas, SAB_IMR0, 0xff); - uart_setreg(bas, SAB_IMR1, 0xff); - uart_barrier(bas); - uart_getreg(bas, SAB_ISR0); - uart_getreg(bas, SAB_ISR1); - uart_barrier(bas); - uart_setreg(bas, SAB_CCR0, 0); - uart_barrier(bas); - return (0); -} - -static int -sab82532_bus_flush(struct uart_softc *sc, int what) -{ - - uart_lock(sc->sc_hwmtx); - sab82532_flush(&sc->sc_bas, what); - uart_unlock(sc->sc_hwmtx); - return (0); -} - -static int -sab82532_bus_getsig(struct uart_softc *sc) -{ - struct uart_bas *bas; - uint32_t new, old, sig; - uint8_t pvr, star, vstr; - - bas = &sc->sc_bas; - do { - old = sc->sc_hwsig; - sig = old; - uart_lock(sc->sc_hwmtx); - star = uart_getreg(bas, SAB_STAR); - SIGCHG(star & SAB_STAR_CTS, sig, SER_CTS, SER_DCTS); - vstr = uart_getreg(bas, SAB_VSTR); - SIGCHG(vstr & SAB_VSTR_CD, sig, SER_DCD, SER_DDCD); - pvr = ~uart_getreg(bas, SAB_PVR); - switch (bas->chan) { - case 1: - pvr &= SAB_PVR_DSR_A; - break; - case 2: - pvr &= SAB_PVR_DSR_B; - break; - } - SIGCHG(pvr, sig, SER_DSR, SER_DDSR); - uart_unlock(sc->sc_hwmtx); - new = sig & ~SER_MASK_DELTA; - } while (!atomic_cmpset_32(&sc->sc_hwsig, old, new)); - return (sig); -} - -static int -sab82532_bus_ioctl(struct uart_softc *sc, int request, intptr_t data) -{ - struct uart_bas *bas; - uint8_t dafo, mode; - int error; - - bas = &sc->sc_bas; - error = 0; - uart_lock(sc->sc_hwmtx); - switch (request) { - case UART_IOCTL_BREAK: - dafo = uart_getreg(bas, SAB_DAFO); - if (data) - dafo |= SAB_DAFO_XBRK; - else - dafo &= ~SAB_DAFO_XBRK; - uart_setreg(bas, SAB_DAFO, dafo); - uart_barrier(bas); - break; - case UART_IOCTL_IFLOW: - mode = uart_getreg(bas, SAB_MODE); - if (data) { - mode &= ~SAB_MODE_RTS; - mode |= SAB_MODE_FRTS; - } else { - mode |= SAB_MODE_RTS; - mode &= ~SAB_MODE_FRTS; - } - uart_setreg(bas, SAB_MODE, mode); - uart_barrier(bas); - break; - case UART_IOCTL_OFLOW: - mode = uart_getreg(bas, SAB_MODE); - if (data) - mode &= ~SAB_MODE_FCTS; - else - mode |= SAB_MODE_FCTS; - uart_setreg(bas, SAB_MODE, mode); - uart_barrier(bas); - break; - default: - error = EINVAL; - break; - } - uart_unlock(sc->sc_hwmtx); - return (error); -} - -static int -sab82532_bus_ipend(struct uart_softc *sc) -{ - struct uart_bas *bas; - int ipend; - uint8_t isr0, isr1; - - bas = &sc->sc_bas; - uart_lock(sc->sc_hwmtx); - isr0 = uart_getreg(bas, SAB_ISR0); - isr1 = uart_getreg(bas, SAB_ISR1); - uart_barrier(bas); - if (isr0 & SAB_ISR0_TIME) { - while (uart_getreg(bas, SAB_STAR) & SAB_STAR_CEC) - ; - uart_setreg(bas, SAB_CMDR, SAB_CMDR_RFRD); - uart_barrier(bas); - } - uart_unlock(sc->sc_hwmtx); - - ipend = 0; - if (isr1 & SAB_ISR1_BRKT) - ipend |= SER_INT_BREAK; - if (isr0 & SAB_ISR0_RFO) - ipend |= SER_INT_OVERRUN; - if (isr0 & (SAB_ISR0_TCD|SAB_ISR0_RPF)) - ipend |= SER_INT_RXREADY; - if ((isr0 & SAB_ISR0_CDSC) || (isr1 & SAB_ISR1_CSC)) - ipend |= SER_INT_SIGCHG; - if (isr1 & SAB_ISR1_ALLS) - ipend |= SER_INT_TXIDLE; - - return (ipend); -} - -static int -sab82532_bus_param(struct uart_softc *sc, int baudrate, int databits, - int stopbits, int parity) -{ - struct uart_bas *bas; - int error; - - bas = &sc->sc_bas; - uart_lock(sc->sc_hwmtx); - error = sab82532_param(bas, baudrate, databits, stopbits, parity); - uart_unlock(sc->sc_hwmtx); - return (error); -} - -static int -sab82532_bus_probe(struct uart_softc *sc) -{ - char buf[80]; - const char *vstr; - int error; - char ch; - - error = sab82532_probe(&sc->sc_bas); - if (error) - return (error); - - sc->sc_rxfifosz = 32; - sc->sc_txfifosz = 32; - - ch = sc->sc_bas.chan - 1 + 'A'; - - switch (uart_getreg(&sc->sc_bas, SAB_VSTR) & SAB_VSTR_VMASK) { - case SAB_VSTR_V_1: - vstr = "v1"; - break; - case SAB_VSTR_V_2: - vstr = "v2"; - break; - case SAB_VSTR_V_32: - vstr = "v3.2"; - sc->sc_hwiflow = 0; /* CTS doesn't work with RFC:RFDF. */ - sc->sc_hwoflow = 1; - break; - default: - vstr = "v4?"; - break; - } - - snprintf(buf, sizeof(buf), "SAB 82532 %s, channel %c", vstr, ch); - device_set_desc_copy(sc->sc_dev, buf); - return (0); -} - -static int -sab82532_bus_receive(struct uart_softc *sc) -{ - struct uart_bas *bas; - int i, rbcl, xc; - uint8_t s; - - bas = &sc->sc_bas; - uart_lock(sc->sc_hwmtx); - if (uart_getreg(bas, SAB_STAR) & SAB_STAR_RFNE) { - rbcl = uart_getreg(bas, SAB_RBCL) & 31; - if (rbcl == 0) - rbcl = 32; - for (i = 0; i < rbcl; i += 2) { - if (uart_rx_full(sc)) { - sc->sc_rxbuf[sc->sc_rxput] = UART_STAT_OVERRUN; - break; - } - xc = uart_getreg(bas, SAB_RFIFO); - s = uart_getreg(bas, SAB_RFIFO + 1); - if (s & SAB_RSTAT_FE) - xc |= UART_STAT_FRAMERR; - if (s & SAB_RSTAT_PE) - xc |= UART_STAT_PARERR; - uart_rx_put(sc, xc); - } - } - - while (uart_getreg(bas, SAB_STAR) & SAB_STAR_CEC) - ; - uart_setreg(bas, SAB_CMDR, SAB_CMDR_RMC); - uart_barrier(bas); - uart_unlock(sc->sc_hwmtx); - return (0); -} - -static int -sab82532_bus_setsig(struct uart_softc *sc, int sig) -{ - struct uart_bas *bas; - uint32_t new, old; - uint8_t mode, pvr; - - bas = &sc->sc_bas; - do { - old = sc->sc_hwsig; - new = old; - if (sig & SER_DDTR) { - SIGCHG(sig & SER_DTR, new, SER_DTR, - SER_DDTR); - } - if (sig & SER_DRTS) { - SIGCHG(sig & SER_RTS, new, SER_RTS, - SER_DRTS); - } - } while (!atomic_cmpset_32(&sc->sc_hwsig, old, new)); - - uart_lock(sc->sc_hwmtx); - /* Set DTR pin. */ - pvr = uart_getreg(bas, SAB_PVR); - switch (bas->chan) { - case 1: - if (new & SER_DTR) - pvr &= ~SAB_PVR_DTR_A; - else - pvr |= SAB_PVR_DTR_A; - break; - case 2: - if (new & SER_DTR) - pvr &= ~SAB_PVR_DTR_B; - else - pvr |= SAB_PVR_DTR_B; - break; - } - uart_setreg(bas, SAB_PVR, pvr); - - /* Set RTS pin. */ - mode = uart_getreg(bas, SAB_MODE); - if (new & SER_RTS) - mode &= ~SAB_MODE_FRTS; - else - mode |= SAB_MODE_FRTS; - uart_setreg(bas, SAB_MODE, mode); - uart_barrier(bas); - uart_unlock(sc->sc_hwmtx); - return (0); -} - -static int -sab82532_bus_transmit(struct uart_softc *sc) -{ - struct uart_bas *bas; - int i; - - bas = &sc->sc_bas; - uart_lock(sc->sc_hwmtx); - while (!(uart_getreg(bas, SAB_STAR) & SAB_STAR_XFW)) - ; - for (i = 0; i < sc->sc_txdatasz; i++) - uart_setreg(bas, SAB_XFIFO + i, sc->sc_txbuf[i]); - uart_barrier(bas); - while (uart_getreg(bas, SAB_STAR) & SAB_STAR_CEC) - ; - uart_setreg(bas, SAB_CMDR, SAB_CMDR_XF); - sc->sc_txbusy = 1; - uart_unlock(sc->sc_hwmtx); - return (0); -} - -static void -sab82532_bus_grab(struct uart_softc *sc) -{ - struct uart_bas *bas; - uint8_t imr0; - - bas = &sc->sc_bas; - imr0 = SAB_IMR0_TIME|SAB_IMR0_CDSC|SAB_IMR0_RFO; /* No TCD or RPF */ - uart_lock(sc->sc_hwmtx); - uart_setreg(bas, SAB_IMR0, 0xff & ~imr0); - uart_barrier(bas); - uart_unlock(sc->sc_hwmtx); -} - -static void -sab82532_bus_ungrab(struct uart_softc *sc) -{ - struct uart_bas *bas; - uint8_t imr0; - - bas = &sc->sc_bas; - imr0 = SAB_IMR0_TCD|SAB_IMR0_TIME|SAB_IMR0_CDSC|SAB_IMR0_RFO| - SAB_IMR0_RPF; - uart_lock(sc->sc_hwmtx); - uart_setreg(bas, SAB_IMR0, 0xff & ~imr0); - uart_barrier(bas); - uart_unlock(sc->sc_hwmtx); -} diff --git a/sys/dev/uart/uart_subr.c b/sys/dev/uart/uart_subr.c index 2dd10d9f4a2d..96d7735ea0ed 100644 --- a/sys/dev/uart/uart_subr.c +++ b/sys/dev/uart/uart_subr.c @@ -53,7 +53,6 @@ __FBSDID("$FreeBSD$"); static struct uart_class *uart_classes[] = { &uart_ns8250_class, - &uart_sab82532_class, &uart_z8530_class, #if defined(__arm__) &uart_s3c2410_class, diff --git a/sys/modules/scc/Makefile b/sys/modules/scc/Makefile index d138bcd3c8f2..7d5efd33d515 100644 --- a/sys/modules/scc/Makefile +++ b/sys/modules/scc/Makefile @@ -8,7 +8,7 @@ scc_bfe= scc_bfe_macio.c scc_bfe_quicc.c scc_dev_quicc.c KMOD= scc SRCS= ${scc_bfe} scc_core.c scc_if.c scc_if.h \ - scc_dev_sab82532.c scc_dev_z8530.c + scc_dev_z8530.c SRCS+= bus_if.h device_if.h ofw_bus_if.h serdev_if.c serdev_if.h .include <bsd.kmod.mk> diff --git a/sys/modules/uart/Makefile b/sys/modules/uart/Makefile index 5832f4c1696d..821fff46763e 100644 --- a/sys/modules/uart/Makefile +++ b/sys/modules/uart/Makefile @@ -32,7 +32,7 @@ SRCS= ${uart_bus_acpi} uart_bus_isa.c uart_bus_pccard.c \ uart_bus_pci.c uart_bus_puc.c uart_bus_scc.c \ uart_core.c ${uart_cpu_acpi} ${uart_cpu_machine} uart_dbg.c \ ${uart_dev_mvebu} uart_dev_ns8250.c ${uart_dev_mu} \ - uart_dev_quicc.c uart_dev_sab82532.c uart_dev_z8530.c \ + uart_dev_quicc.c uart_dev_z8530.c \ uart_if.c uart_if.h uart_subr.c uart_tty.c SRCS+= acpi_if.h bus_if.h card_if.h device_if.h isa_if.h ${ofw_bus_if} \ |