diff options
Diffstat (limited to 'cpu/mpc824x/drivers/i2o')
| -rw-r--r-- | cpu/mpc824x/drivers/i2o/Makefile | 84 | ||||
| -rw-r--r-- | cpu/mpc824x/drivers/i2o/Makefile_pc | 90 | ||||
| -rw-r--r-- | cpu/mpc824x/drivers/i2o/i2o.h | 345 | ||||
| -rw-r--r-- | cpu/mpc824x/drivers/i2o/i2o1.c | 890 | ||||
| -rw-r--r-- | cpu/mpc824x/drivers/i2o/i2o2.S | 47 |
5 files changed, 0 insertions, 1456 deletions
diff --git a/cpu/mpc824x/drivers/i2o/Makefile b/cpu/mpc824x/drivers/i2o/Makefile deleted file mode 100644 index 3f5ca26..0000000 --- a/cpu/mpc824x/drivers/i2o/Makefile +++ /dev/null @@ -1,84 +0,0 @@ -########################################################################## -# -# Copyright Motorola, Inc. 1997 -# ALL RIGHTS RESERVED -# -# You are hereby granted a copyright license to use, modify, and -# distribute the SOFTWARE so long as this entire notice is retained -# without alteration in any modified and/or redistributed versions, -# and that such modified versions are clearly identified as such. -# No licenses are granted by implication, estoppel or otherwise under -# any patents or trademarks of Motorola, Inc. -# -# The SOFTWARE is provided on an "AS IS" basis and without warranty. -# To the maximum extent permitted by applicable law, MOTOROLA DISCLAIMS -# ALL WARRANTIES WHETHER EXPRESS OR IMPLIED, INCLUDING IMPLIED -# WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR -# PURPOSE AND ANY WARRANTY AGAINST INFRINGEMENT WITH -# REGARD TO THE SOFTWARE (INCLUDING ANY MODIFIED VERSIONS -# THEREOF) AND ANY ACCOMPANYING WRITTEN MATERIALS. -# -# To the maximum extent permitted by applicable law, IN NO EVENT SHALL -# MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER -# (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF -# BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS -# INFORMATION, OR OTHER PECUNIARY LOSS) ARISING OF THE USE OR -# INABILITY TO USE THE SOFTWARE. -# -############################################################################ -TARGET = libi2o.a - -#DEBUG = -g -DEBUG = -LST = -Hanno -S -OPTIM = -CC = /risc/tools/pkgs/metaware/bin/hcppc -CFLAGS = -Hnocopyr -c -Hsds -Hon=Char_default_unsigned -Hon=Char_is_rep -I../inc -I/risc/tools/pkgs/metaware/inc -CCobj = $(CC) $(CFLAGS) $(DEBUG) $(OPTIM) -PREP = $(CC) $(CFLAGS) -P - -# Assembler used to build the .s files (for the board version) - -ASOPT = -big_si -c -ASDEBUG = -l -fm -AS = /risc/tools/pkgs/metaware/bin/asppc - -# Linker to bring .o files together into an executable. - -LKOPT = -Bbase=0 -Qn -q -r -LKCMD = -LINK = /risc/tools/pkgs/metaware/bin/ldppc $(LKCMD) $(LKOPT) - -# DOS Utilities - -DEL = rm -COPY = cp -LIST = ls - -OBJECTS = i2o1.o i2o2.o - -all: $(TARGET) - -$(TARGET): $(OBJECTS) - $(LINK) $(OBJECTS) -o $@ - -objects: i2o1.o - -clean: - $(DEL) -f *.o *.i *.map *.lst $(TARGET) $(OBJECTS) - -.s.o: - $(DEL) -f $*.i - $(PREP) -Hasmcpp $< - $(AS) $(ASOPT) $*.i -# $(AS) $(ASOPT) $(ASDEBUG) $*.i > $*.lst - -.c.o: - $(CCobj) $< - -.c.s: - $(CCobj) $(LST) $< - -i2o1.o: i2o.h i2o1.c - -i2o2.o: i2o.h i2o2.s diff --git a/cpu/mpc824x/drivers/i2o/Makefile_pc b/cpu/mpc824x/drivers/i2o/Makefile_pc deleted file mode 100644 index 6867f58..0000000 --- a/cpu/mpc824x/drivers/i2o/Makefile_pc +++ /dev/null @@ -1,90 +0,0 @@ -########################################################################## -# -# makefile_pc for use with PC mksnt tools dink32/drivers/i2o -# -# Copyright Motorola, Inc. 1997 -# ALL RIGHTS RESERVED -# -# You are hereby granted a copyright license to use, modify, and -# distribute the SOFTWARE so long as this entire notice is retained -# without alteration in any modified and/or redistributed versions, -# and that such modified versions are clearly identified as such. -# No licenses are granted by implication, estoppel or otherwise under -# any patents or trademarks of Motorola, Inc. -# -# The SOFTWARE is provided on an "AS IS" basis and without warranty. -# To the maximum extent permitted by applicable law, MOTOROLA DISCLAIMS -# ALL WARRANTIES WHETHER EXPRESS OR IMPLIED, INCLUDING IMPLIED -# WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR -# PURPOSE AND ANY WARRANTY AGAINST INFRINGEMENT WITH -# REGARD TO THE SOFTWARE (INCLUDING ANY MODIFIED VERSIONS -# THEREOF) AND ANY ACCOMPANYING WRITTEN MATERIALS. -# -# To the maximum extent permitted by applicable law, IN NO EVENT SHALL -# MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER -# (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF -# BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS -# INFORMATION, OR OTHER PECUNIARY LOSS) ARISING OF THE USE OR -# INABILITY TO USE THE SOFTWARE. -# -############################################################################ -TARGET = libi2o.a - -#DEBUG = -g -DEBUG = -LST = -Hanno -S -OPTIM = -CC = m:/old_tools/tools/hcppc/bin/hcppc -CFLAGS = -Hnocopyr -c -Hsds -Hon=Char_default_unsigned -Hon=Char_is_rep -I../inc -I/risc/tools/pkgs/metaware/inc -CCobj = $(CC) $(CFLAGS) $(DEBUG) $(OPTIM) -PREP = $(CC) $(CFLAGS) -P - -# Assembler used to build the .s files (for the board version) - -ASOPT = -big_si -c -ASDEBUG = -l -fm -AS = m:/old_tools/tools/hcppc/bin/asppc - -# Linker to bring .o files together into an executable. - -LKOPT = -Bbase=0 -Qn -q -r -LKCMD = -LINK = m:/old_tools/tools/hcppc/bin/ldppc $(LKCMD) $(LKOPT) - -# DOS Utilities - -DEL = rm -COPY = cp -LIST = ls - -OBJECTS = i2o1.o i2o2.o - -all: $(TARGET) - -$(TARGET): $(OBJECTS) - $(LINK) $(OBJECTS) -o $@ - -objects: i2o1.o - -clean: - $(DEL) -f *.o *.i *.map *.lst $(TARGET) $(OBJECTS) - -.s.o: - $(DEL) -f $*.i - $(PREP) -Hasmcpp $< - $(AS) $(ASOPT) $*.i -# $(AS) $(ASOPT) $(ASDEBUG) $*.i > $*.lst - -.c.o: - $(CCobj) $< - -.c.s: - $(CCobj) $(LST) $< - -i2o1.o: i2o.h i2o1.c - $(CCobj) $< - -i2o2.o: i2o.h i2o2.s - $(DEL) -f $*.i - $(PREP) -Hasmcpp $< - $(AS) $(ASOPT) $*.i diff --git a/cpu/mpc824x/drivers/i2o/i2o.h b/cpu/mpc824x/drivers/i2o/i2o.h deleted file mode 100644 index 71572b2..0000000 --- a/cpu/mpc824x/drivers/i2o/i2o.h +++ /dev/null @@ -1,345 +0,0 @@ -#ifndef I2O_H -#define I2O_H -/********************************************************* - * - * copyright @ Motorola, 1999 - * - *********************************************************/ - -#define I2O_REG_OFFSET 0x0004 - -#define PCI_CFG_CLA 0x0B -#define PCI_CFG_SCL 0x0A -#define PCI_CFG_PIC 0x09 - -#define I2O_IMR0 0x0050 -#define I2O_IMR1 0x0054 -#define I2O_OMR0 0x0058 -#define I2O_OMR1 0x005C - -#define I2O_ODBR 0x0060 -#define I2O_IDBR 0x0068 - -#define I2O_OMISR 0x0030 -#define I2O_OMIMR 0x0034 -#define I2O_IMISR 0x0100 -#define I2O_IMIMR 0x0104 - -/* accessable to PCI master but local processor */ -#define I2O_IFQPR 0x0040 -#define I2O_OFQPR 0x0044 - -/* accessable to local processor */ -#define I2O_IFHPR 0x0120 -#define I2O_IFTPR 0x0128 -#define I2O_IPHPR 0x0130 -#define I2O_IPTPR 0x0138 -#define I2O_OFHPR 0x0140 -#define I2O_OFTPR 0x0148 -#define I2O_OPHPR 0x0150 -#define I2O_OPTPR 0x0158 -#define I2O_MUCR 0x0164 -#define I2O_QBAR 0x0170 - -#define I2O_NUM_MSG 2 - -typedef enum _i2o_status -{ - I2OSUCCESS = 0, - I2OINVALID, - I2OMSGINVALID, - I2ODBINVALID, - I2OQUEINVALID, - I2OQUEEMPTY, - I2OQUEFULL, - I2ONOEVENT, -} I2OSTATUS; - -typedef enum _queue_size -{ - QSIZE_4K = 0x02, - QSIZE_8K = 0x04, - QSIZE_16K = 0x08, - QSIZE_32K = 0x10, - QSIZe_64K = 0x20, -} QUEUE_SIZE; - -typedef enum _location -{ - LOCAL = 0, /* used by local processor to access its own on board device, - local processor's eumbbar is required */ - REMOTE, /* used by PCI master to access the devices on its PCI device, - device's pcsrbar is required */ -} LOCATION; - -/* door bell */ -typedef enum _i2o_in_db -{ - IN_DB = 1, - MC, /* machine check */ -} I2O_IN_DB; - -/* I2O PCI configuration identification */ -typedef struct _i2o_iop -{ - unsigned int base_class : 8; - unsigned int sub_class : 8; - unsigned int prg_code : 8; -} I2OIOP; - -/* I2O Outbound Message Interrupt Status Register */ -typedef struct _i2o_om_stat -{ - unsigned int rsvd0 : 26; - unsigned int opqi : 1; - unsigned int rsvd1 : 1; - unsigned int odi : 1; - unsigned int rsvd2 : 1; - unsigned int om1i : 1; - unsigned int om0i : 1; -} I2OOMSTAT; - -/* I2O inbound Message Interrupt Status Register */ -typedef struct _i2o_im_stat -{ - unsigned int rsvd0 : 23; - unsigned int ofoi : 1; - unsigned int ipoi : 1; - unsigned int rsvd1 : 1; - unsigned int ipqi : 1; - unsigned int mci : 1; - unsigned int idi : 1; - unsigned int rsvd2 : 1; - unsigned int im1i : 1; - unsigned int im0i : 1; -} I2OIMSTAT; - -/** - Enable the interrupt associated with in/out bound msg - - Inbound message interrupt generated by PCI master and serviced by local processor - local processor needs to enable its inbound interrupts it wants to handle (LOCAL) - - Outbound message interrupt generated by local processor and serviced by PCI master - PCI master needs to enable the devices' outbound interrupts it wants to handle (REMOTE) - **/ -extern I2OSTATUS I2OMsgEnable( LOCATION, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned char n ); /* b'1' - msg 0 - * b'10'- msg 1 - * b'11'- both - */ - -/** - Disable the interrupt associated with in/out bound msg - - local processor needs to disable its inbound interrupts it is not interested (LOCAL) - - PCI master needs to disable outbound interrupts of devices it is not interested (REMOTE) - **/ -extern I2OSTATUS I2OMsgDisable( LOCATION, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned char n ); /* b'1' - msg 0 - * b'10'- msg 1 - * b'11'- both - */ - -/** - Read the msg register either from local inbound msg 0/1, - or an outbound msg 0/1 of devices. - - If it is not local, pcsrbar must be passed to the function. - Otherwise eumbbar is passed. - - If it is remote, outbound msg of the device is read. - Otherwise local inbound msg is read. - **/ -extern I2OSTATUS I2OMsgGet ( LOCATION, /* REMOTE/LOCAL */ - unsigned int base, /*pcsrbar/eumbbar */ - unsigned int n, /* 0 or 1 */ - unsigned int *msg ); - -/** - Write to nth Msg register either on local outbound msg 0/1, - or aninbound msg 0/1 of devices - - If it is not local, pcsrbar must be passed to the function. - Otherwise eumbbar is passed. - - If it is remote, inbound msg on the device is written. - Otherwise local outbound msg is written. - **/ -extern I2OSTATUS I2OMsgPost( LOCATION, /* REMOTE/LOCAL */ - unsigned int base, /*pcsrbar/eumbbar */ - unsigned int n, /* 0 or 1 */ - unsigned int msg ); - -/** - Enable the In/Out DoorBell Interrupt - - InDoorBell interrupt is generated by PCI master and serviced by local processor - local processor needs to enable its inbound doorbell interrupts it wants to handle - - OutDoorbell interrupt is generated by local processor and serviced by PCI master - PCI master needs to enable outbound doorbell interrupts of the devices it wants to handle - **/ -extern I2OSTATUS I2ODBEnable( LOCATION, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned int in_db );/* when LOCAL, I2O_IN_DB, MC, I2O_IN_DB|MC */ - -/** - Disable the In/Out DoorBell Interrupt - - local processor needs to disable its inbound doorbell interrupts it is not interested - - PCI master needs to disable outbound doorbell interrupts of devices it is not interested - - **/ -extern I2OSTATUS I2ODBDisable( LOCATION, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned int in_db ); /* when LOCAL, I2O_IN_DB, MC, I2O_IN_DB|MC */ - -/** - Read a local indoorbell register, or an outdoorbell of devices. - Reading a doorbell register, the register will be cleared. - - If it is not local, pcsrbar must be passed to the function. - Otherwise eumbbar is passed. - - If it is remote, outdoorbell register on the device is read. - Otherwise local in doorbell is read - **/ -extern unsigned int I2ODBGet( LOCATION, /* REMOTE/LOCAL */ - unsigned int base); /* pcsrbar/eumbbar */ - -/** - Write to a local outdoorbell register, or an indoorbell register of devices. - - If it is not local, pcsrbar must be passed to the function. - Otherwise eumbbar is passed. - - If it is remote, in doorbell register on the device is written. - Otherwise local out doorbell is written - **/ -extern void I2ODBPost( LOCATION, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned int msg ); /* in / out */ - -/** - Read the outbound msg unit interrupt status of devices. Reading an interrupt status register, - the register will be cleared. - - The outbound interrupt status is AND with the outbound - interrupt mask. The result is returned. - - PCI master must pass the pcsrbar to the function. - **/ -extern I2OSTATUS I2OOutMsgStatGet( unsigned int pcsrbar, I2OOMSTAT * ); - -/** - Read the inbound msg unit interrupt status. Reading an interrupt status register, - the register will be cleared. - - The inbound interrupt status is AND with the inbound - interrupt mask. The result is returned. - - Local process must pass its eumbbar to the function. -**/ -extern I2OSTATUS I2OInMsgStatGet( unsigned int eumbbar, I2OIMSTAT * ); - -/** - Configure the I2O FIFO, including QBAR, IFHPR/IFTPR,IPHPR/IPTPR,OFHPR/OFTPR, OPHPR/OPTPR, - MUCR. - **/ -extern I2OSTATUS I2OFIFOInit( unsigned int eumbbar, - QUEUE_SIZE, - unsigned int qba);/* queue base address that must be aligned at 1M */ -/** - Enable the circular queue - **/ -extern I2OSTATUS I2OFIFOEnable( unsigned int eumbbar ); - -/** - Disable the circular queue - **/ -extern void I2OFIFODisable( unsigned int eumbbar ); - -/** - Enable the circular queue interrupt - PCI master enables outbound FIFO interrupt of device - Device enables its inbound FIFO interrupt - **/ -extern void I2OFIFOIntEnable( LOCATION, unsigned int base ); - -/** - Disable the circular queue interrupt - PCI master disables outbound FIFO interrupt of device - Device disables its inbound FIFO interrupt - **/ -extern void I2OFIFOIntDisable( LOCATION, unsigned int base ); - -/** - Enable the circular queue overflow interrupt - **/ -extern void I2OFIFOOverflowIntEnable( unsigned int eumbbar ); - -/** - Disable the circular queue overflow interrupt - **/ -extern void I2OFIFOOverflowIntDisable( unsigned int eumbbar ); - -/** - Allocate a free msg frame from free FIFO. - - PCI Master allocates a free msg frame through inbound queue port of device(IFQPR) - while local processor allocates a free msg frame from outbound free queue(OFTPR) - - Unless both free queues are initialized, allocating a free MF will return 0xffffffff - **/ -extern I2OSTATUS I2OFIFOAlloc( LOCATION, - unsigned int base, - void **pMsg); -/** - Free a used msg frame back to free queue - PCI Master frees a MFA through outbound queue port of device(OFQPR) - while local processor frees a MFA into its inbound free queue(IFHPR) - - Used msg frame does not need to be recycled in the order they - read - - This function has to be called by PCI master to initialize Inbound free queue - and by device to initialize Outbound free queue before I2OFIFOAlloc can be used. - **/ -extern I2OSTATUS I2OFIFOFree( LOCATION, - unsigned int base, - void *pMsg ); - -/** - Post a msg into FIFO - PCI Master posts a msg through inbound queue port of device(IFQPR) - while local processor post a msg into its outbound post queue(OPHPR) - - The total number of msg must be less than the max size of the queue - Otherwise queue overflow interrupt will assert. - **/ -extern I2OSTATUS I2OFIFOPost( LOCATION, - unsigned int base, - void *pMsg ); - -/** - Read a msg from FIFO - PCI Master reads a msg through outbound queue port of device(OFQPR) - while local processor reads a msg from its inbound post queue(IPTPR) - **/ -extern I2OSTATUS I2OFIFOGet( LOCATION, - unsigned int base, - void **pMsg ); - -/** - Get the I2O PCI configuration identification register - **/ -extern I2OSTATUS I2OPCIConfigGet( LOCATION, - unsigned int base, - I2OIOP *); - -#endif diff --git a/cpu/mpc824x/drivers/i2o/i2o1.c b/cpu/mpc824x/drivers/i2o/i2o1.c deleted file mode 100644 index f058151..0000000 --- a/cpu/mpc824x/drivers/i2o/i2o1.c +++ /dev/null @@ -1,890 +0,0 @@ -/********************************************************* - * $Id - * - * copyright @ Motorola, 1999 - *********************************************************/ -#include "i2o.h" - -extern unsigned int load_runtime_reg( unsigned int eumbbar, unsigned int reg ); -#pragma Alias( load_runtime_reg, "load_runtime_reg" ); - -extern void store_runtime_reg( unsigned int eumbbar, unsigned int reg, unsigned int val ); -#pragma Alias( store_runtime_reg, "store_runtime_reg" ); - -typedef struct _fifo_stat -{ - QUEUE_SIZE qsz; - unsigned int qba; -} FIFOSTAT; - -FIFOSTAT fifo_stat = { QSIZE_4K, 0xffffffff }; - -/********************************************************************************** - * function: I2OMsgEnable - * - * description: Enable the interrupt associated with in/out bound msg - * return I2OSUCCESS if no error, otherwise return I2OMSGINVALID. - * - * All previously enabled interrupts are preserved. - * note: - * Inbound message interrupt generated by PCI master and serviced by local processor - * Outbound message interrupt generated by local processor and serviced by PCI master - * - * local processor needs to enable its inbound interrupts it wants to handle(LOCAL) - * PCI master needs to enable the outbound interrupts of devices it wants to handle(REMOTE) - ************************************************************************************/ -I2OSTATUS I2OMsgEnable ( LOCATION loc, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned char n ) /* b'1' - msg 0 - * b'10'- msg 1 - * b'11'- both - */ -{ - unsigned int reg, val; - if ( ( n & 0x3 ) == 0 ) - { - /* neither msg 0, nor msg 1 */ - return I2OMSGINVALID; - } - - n = (~n) & 0x3; - /* LOCATION - REMOTE : enable outbound message of device, pcsrbar as base - * LOCAL : enable local inbound message, eumbbar as base - */ - reg = ( loc == REMOTE ? I2O_OMIMR : I2O_IMIMR ); - val = load_runtime_reg( base, reg ); - - val &= 0xfffffffc; /* masked out the msg interrupt bits */ - val |= n; /* LSB are the one we want */ - store_runtime_reg( base, reg, val ); - - return I2OSUCCESS; -} - -/********************************************************************************* - * function: I2OMsgDisable - * - * description: Disable the interrupt associated with in/out bound msg - * Other previously enabled interrupts are preserved. - * return I2OSUCCESS if no error otherwise return I2OMSGINVALID - * - * note: - * local processor needs to disable its inbound interrupts it is not interested(LOCAL) - * PCI master needs to disable outbound interrupts of devices it is not interested(REMOTE) - *********************************************************************************/ -I2OSTATUS I2OMsgDisable( LOCATION loc, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned char n ) /* b'1' - msg 0 - * b'10'- msg 1 - * b'11'- both - */ -{ - unsigned int reg, val; - - if ( ( n & 0x3 ) == 0 ) - { - /* neither msg 0, nor msg 1 */ - return I2OMSGINVALID; - } - - /* LOCATION - REMOTE : disable outbound message interrupt of device, pcsrbar as base - * LOCAL : disable local inbound message interrupt, eumbbar as base - */ - reg = ( loc == REMOTE ? I2O_OMIMR : I2O_IMIMR ); - val = load_runtime_reg( base, reg ); - - val &= 0xfffffffc; /* masked out the msg interrupt bits */ - val |= ( n & 0x3 ); - store_runtime_reg( base, reg, val ); - - return I2OSUCCESS; - -} - -/************************************************************************** - * function: I2OMsgGet - * - * description: Local processor reads the nth Msg register from its inbound msg, - * or a PCI Master reads nth outbound msg from device - * - * return I2OSUCCESS if no error, otherwise return I2OMSGINVALID. - * - * note: - * If it is not local, pcsrbar must be passed to the function. Otherwise eumbbar is passed. - * If it is remote, outbound msg on the device is read; otherwise local inbound msg is read - *************************************************************************/ -I2OSTATUS I2OMsgGet ( LOCATION loc, /* REMOTE/LOCAL */ - unsigned int base, /*pcsrbar/eumbbar */ - unsigned int n, /* 0 or 1 */ - unsigned int *msg ) -{ - if ( n >= I2O_NUM_MSG || msg == 0 ) - { - return I2OMSGINVALID; - } - - if ( loc == REMOTE ) - { - /* read the outbound msg of the device, pcsrbar as base */ - *msg = load_runtime_reg( base, I2O_OMR0+n*I2O_REG_OFFSET ); - } - else - { - /* read the inbound msg sent by PCI master, eumbbar as base */ - *msg = load_runtime_reg( base, I2O_IMR0+n*I2O_REG_OFFSET ); - } - - return I2OSUCCESS; -} - -/*************************************************************** - * function: I2OMsgPost - * - * description: Kahlua writes to its nth outbound msg register - * PCI master writes to nth inbound msg register of device - * - * return I2OSUCCESS if no error, otherwise return I2OMSGINVALID. - * - * note: - * If it is not local, pcsrbar must be passed to the function. Otherwise eumbbar is passed. - * - * If it is remote, inbound msg on the device is written; otherwise local outbound msg is written - ***************************************************************/ -I2OSTATUS I2OMsgPost( LOCATION loc, /* REMOTE/LOCAL */ - unsigned int base, /*pcsrbar/eumbbar */ - unsigned int n, /* 0 or 1 */ - unsigned int msg ) -{ - if ( n >= I2O_NUM_MSG ) - { - return I2OMSGINVALID; - } - - if ( loc == REMOTE ) - { - /* write to the inbound msg register of the device, pcsrbar as base */ - store_runtime_reg( base, I2O_IMR0+n*I2O_REG_OFFSET, msg ); - } - else - { - /* write to the outbound msg register for PCI master to read, eumbbar as base */ - store_runtime_reg( base, I2O_OMR0+n*I2O_REG_OFFSET, msg ); - } - - return I2OSUCCESS; -} - -/*********************************************************************** - * function: I2ODBEnable - * - * description: Local processor enables it's inbound doorbell interrupt - * PCI master enables outbound doorbell interrupt of devices - * Other previously enabled interrupts are preserved. - * Return I2OSUCCESS if no error otherwise return I2ODBINVALID - * - * note: - * In DoorBell interrupt is generated by PCI master and serviced by local processor - * Out Doorbell interrupt is generated by local processor and serviced by PCI master - * - * Out Doorbell interrupt is generated by local processor and serviced by PCI master - * PCI master needs to enable the outbound doorbell interrupts of device it wants to handle - **********************************************************************/ -I2OSTATUS I2ODBEnable( LOCATION loc, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned int in_db ) /* when LOCAL, I2O_IN_DB, MC, I2O_IN_DB|MC */ -{ - - /* LOCATION - REMOTE : PCI master initializes outbound doorbell message of device - * LOCAL : Kahlua initializes its inbound doorbell message - */ - unsigned int val; - - if ( loc == LOCAL && ( in_db & 0x3 ) == 0 ) - { - return I2ODBINVALID; - } - - if ( loc == REMOTE ) - { - /* pcsrbar is base */ - val = load_runtime_reg( base, I2O_OMIMR ); - val &= 0xfffffff7; - store_runtime_reg( base, I2O_OMIMR , val ); - } - else - { - /* eumbbar is base */ - val = load_runtime_reg( base, I2O_IMIMR); - in_db = ( (~in_db) & 0x3 ) << 3; - val = ( val & 0xffffffe7) | in_db; - store_runtime_reg( base, I2O_IMIMR, val ); - } - - return I2OSUCCESS; -} - -/********************************************************************************** - * function: I2ODBDisable - * - * description: local processor disables its inbound DoorBell Interrupt - * PCI master disables outbound DoorBell interrupt of device - * Other previously enabled interrupts are preserved. - * return I2OSUCCESS if no error.Otherwise return I2ODBINVALID - * - * note: - * local processor needs to disable its inbound doorbell interrupts it is not interested - * - * PCI master needs to disable outbound doorbell interrupts of device it is not interested - ************************************************************************************/ -I2OSTATUS I2ODBDisable( LOCATION loc, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned int in_db ) /* when LOCAL, I2O_IN_DB, MC, I2O_IN_DB|MC */ -{ - /* LOCATION - REMOTE : handle device's out bound message initialization - * LOCAL : handle local in bound message initialization - */ - unsigned int val; - - if ( loc == LOCAL && ( in_db & 0x3 ) == 0 ) - { - return I2ODBINVALID; - } - - if ( loc == REMOTE ) - { - /* pcsrbar is the base */ - val = load_runtime_reg( base, I2O_OMIMR ); - val |= 0x8; - store_runtime_reg( base, I2O_OMIMR, val ); - } - else - { - val = load_runtime_reg( base, I2O_IMIMR); - in_db = ( in_db & 0x3 ) << 3; - val |= in_db; - store_runtime_reg( base, I2O_IMIMR, val ); - } - - return I2OSUCCESS; -} - -/********************************************************************************** - * function: I2ODBGet - * - * description: Local processor reads its in doorbell register, - * PCI master reads the outdoorbell register of device. - * After a doorbell register is read, the whole register will be cleared. - * Otherwise, HW keeps generating interrupt. - * - * note: - * If it is not local, pcsrbar must be passed to the function. - * Otherwise eumbbar is passed. - * - * If it is remote, out doorbell register on the device is read. - * Otherwise local in doorbell is read - * - * If the register is not cleared by write to it, any remaining bit of b'1's - * will cause interrupt pending. - *********************************************************************************/ -unsigned int I2ODBGet( LOCATION loc, /* REMOTE/LOCAL */ - unsigned int base) /* pcsrbar/eumbbar */ -{ - unsigned int msg, val; - - if ( loc == REMOTE ) - { - /* read outbound doorbell register of device, pcsrbar is the base */ - val = load_runtime_reg( base, I2O_ODBR ); - msg = val & 0xe0000000; - store_runtime_reg( base, I2O_ODBR, val ); /* clear the register */ - } - else - { - /* read the inbound doorbell register, eumbbar is the base */ - val = load_runtime_reg( base, I2O_IDBR ); - store_runtime_reg( base, I2O_IDBR, val ); /* clear the register */ - msg = val; - } - - return msg; -} - -/********************************************************************** - * function: I2ODBPost - * - * description: local processor writes to a outbound doorbell register, - * PCI master writes to the inbound doorbell register of device - * - * note: - * If it is not local, pcsrbar must be passed to the function. - * Otherwise eumbbar is passed. - * - * If it is remote, in doorbell register on the device is written. - * Otherwise local out doorbell is written - *********************************************************************/ -void I2ODBPost( LOCATION loc, /* REMOTE/LOCAL */ - unsigned int base, /* pcsrbar/eumbbar */ - unsigned int msg ) /* in / out */ -{ - if ( loc == REMOTE ) - { - /* write to inbound doorbell register of device, pcsrbar is the base */ - store_runtime_reg( base, I2O_IDBR, msg ); - } - else - { - /* write to local outbound doorbell register, eumbbar is the base */ - store_runtime_reg( base, I2O_ODBR, msg & 0x1fffffff ); - } - -} - -/******************************************************************** - * function: I2OOutMsgStatGet - * - * description: PCI master reads device's outbound msg unit interrupt status. - * Reading an interrupt status register, - * the register will be cleared. - * - * The value of the status register is AND with the outbound - * interrupt mask and result is returned. - * - * note: - * pcsrbar must be passed to the function. - ********************************************************************/ -I2OSTATUS I2OOutMsgStatGet( unsigned int pcsrbar, I2OOMSTAT *val ) -{ - unsigned int stat; - unsigned int mask; - - if ( val == 0 ) - { - return I2OINVALID; - } - - /* read device's outbound status */ - stat = load_runtime_reg( pcsrbar, I2O_OMISR ); - mask = load_runtime_reg( pcsrbar, I2O_OMIMR ); - store_runtime_reg( pcsrbar, I2O_OMISR, stat & 0xffffffd7); - - stat &= mask; - val->rsvd0 = ( stat & 0xffffffc0 ) >> 6; - val->opqi = ( stat & 0x00000020 ) >> 5; - val->rsvd1 = ( stat & 0x00000010 ) >> 4; - val->odi = ( stat & 0x00000008 ) >> 3; - val->rsvd2 = ( stat & 0x00000004 ) >> 2; - val->om1i = ( stat & 0x00000002 ) >> 1; - val->om0i = ( stat & 0x00000001 ); - - return I2OSUCCESS; -} - -/******************************************************************** - * function: I2OInMsgStatGet - * - * description: Local processor reads its inbound msg unit interrupt status. - * Reading an interrupt status register, - * the register will be cleared. - * - * The inbound msg interrupt status is AND with the inbound - * msg interrupt mask and result is returned. - * - * note: - * eumbbar must be passed to the function. - ********************************************************************/ -I2OSTATUS I2OInMsgStatGet(unsigned int eumbbar, I2OIMSTAT *val) -{ - unsigned int stat; - unsigned int mask; - - if ( val == 0 ) - { - return I2OINVALID; - } - - /* read device's outbound status */ - stat = load_runtime_reg( eumbbar, I2O_OMISR ); - mask = load_runtime_reg( eumbbar, I2O_OMIMR ); - store_runtime_reg( eumbbar, I2O_OMISR, stat & 0xffffffe7 ); - - stat &= mask; - val->rsvd0 = ( stat & 0xfffffe00 ) >> 9; - val->ofoi = ( stat & 0x00000100 ) >> 8; - val->ipoi = ( stat & 0x00000080 ) >> 7; - val->rsvd1 = ( stat & 0x00000040 ) >> 6; - val->ipqi = ( stat & 0x00000020 ) >> 5; - val->mci = ( stat & 0x00000010 ) >> 4; - val->idi = ( stat & 0x00000008 ) >> 3; - val->rsvd2 = ( stat & 0x00000004 ) >> 2; - val->im1i = ( stat & 0x00000002 ) >> 1; - val->im0i = ( stat & 0x00000001 ); - - return I2OSUCCESS; - -} - -/*********************************************************** - * function: I2OFIFOInit - * - * description: Configure the I2O FIFO, including QBAR, - * IFHPR/IFTPR, IPHPR/IPTPR, OFHPR/OFTPR, - * OPHPR/OPTPR, MUCR. - * - * return I2OSUCCESS if no error, - * otherwise return I2OQUEINVALID - * - * note: It is NOT this driver's responsibility of initializing - * MFA blocks, i.e., FIFO queue itself. The MFA blocks - * must be initialized before I2O unit can be used. - ***********************************************************/ -I2OSTATUS I2OFIFOInit( unsigned int eumbbar, - QUEUE_SIZE sz, /* value of CQS of MUCR */ - unsigned int qba) /* queue base address that must be aligned at 1M */ -{ - - if ( ( qba & 0xfffff ) != 0 ) - { - /* QBA must be aligned at 1Mbyte boundary */ - return I2OQUEINVALID; - } - - store_runtime_reg( eumbbar, I2O_QBAR, qba ); - store_runtime_reg( eumbbar, I2O_MUCR, (unsigned int)sz ); - store_runtime_reg( eumbbar, I2O_IFHPR, qba ); - store_runtime_reg( eumbbar, I2O_IFTPR, qba ); - store_runtime_reg( eumbbar, I2O_IPHPR, qba + 1 * ( sz << 11 )); - store_runtime_reg( eumbbar, I2O_IPTPR, qba + 1 * ( sz << 11 )); - store_runtime_reg( eumbbar, I2O_OFHPR, qba + 2 * ( sz << 11 )); - store_runtime_reg( eumbbar, I2O_OFTPR, qba + 2 * ( sz << 11 )); - store_runtime_reg( eumbbar, I2O_OPHPR, qba + 3 * ( sz << 11 )); - store_runtime_reg( eumbbar, I2O_OPTPR, qba + 3 * ( sz << 11 )); - - fifo_stat.qsz = sz; - fifo_stat.qba = qba; - - return I2OSUCCESS; -} - -/************************************************** - * function: I2OFIFOEnable - * - * description: Enable the circular queue - * return I2OSUCCESS if no error. - * Otherwise I2OQUEINVALID is returned. - * - * note: - *************************************************/ -I2OSTATUS I2OFIFOEnable( unsigned int eumbbar ) -{ - unsigned int val; - - if ( fifo_stat.qba == 0xfffffff ) - { - return I2OQUEINVALID; - } - - val = load_runtime_reg( eumbbar, I2O_MUCR ); - store_runtime_reg( eumbbar, I2O_MUCR, val | 0x1 ); - - return I2OSUCCESS; -} - -/************************************************** - * function: I2OFIFODisable - * - * description: Disable the circular queue - * - * note: - *************************************************/ -void I2OFIFODisable( unsigned int eumbbar ) -{ - if ( fifo_stat.qba == 0xffffffff ) - { - /* not enabled */ - return; - } - - unsigned int val = load_runtime_reg( eumbbar, I2O_MUCR ); - store_runtime_reg( eumbbar, I2O_MUCR, val & 0xfffffffe ); -} - -/**************************************************** - * function: I2OFIFOAlloc - * - * description: Allocate a free MFA from free FIFO. - * return I2OSUCCESS if no error. - * return I2OQUEEMPTY if no more free MFA. - * return I2OINVALID on other errors. - * - * A free MFA must be allocated before a - * message can be posted. - * - * note: - * PCI Master allocates a free MFA from inbound queue of device - * (pcsrbar is the base,) through the inbound queue port of device - * while local processor allocates a free MFA from its outbound - * queue (eumbbar is the base.) - * - ****************************************************/ -I2OSTATUS I2OFIFOAlloc( LOCATION loc, - unsigned int base, - void **pMsg ) -{ - I2OSTATUS stat = I2OSUCCESS; - void *pHdr, *pTil; - - if ( pMsg == 0 || *pMsg == 0 || fifo_stat.qba == 0xffffffff ) - { - /* not configured */ - return I2OQUEINVALID; - } - - if ( loc == REMOTE ) - { - /* pcsrbar is the base and read the inbound free tail ptr */ - pTil = (void *)load_runtime_reg( base, I2O_IFQPR ); - if ( ( (unsigned int)pTil & 0xFFFFFFF ) == 0xFFFFFFFF ) - { - stat = I2OQUEEMPTY; - } - else - { - *pMsg = pTil; - } - } - else - { - /* eumbbar is the base and read the outbound free tail ptr */ - pHdr = (void *)load_runtime_reg( base, I2O_OFHPR ); /* queue head */ - pTil = (void *)load_runtime_reg( base, I2O_OFTPR ); /* queue tail */ - - /* check underflow */ - if ( pHdr == pTil ) - { - /* hdr and til point to the same fifo item, no free MFA */ - stat = I2OQUEEMPTY; - } - else - { - /* update OFTPR */ - *pMsg = (void *)(*(unsigned char *)pTil); - pTil = (void *)((unsigned int)pTil + 4); - if ( (unsigned int)pTil == fifo_stat.qba + ( 4 * ( fifo_stat.qsz << 11 ) ) ) - { - /* reach the upper limit */ - pTil = (void *)(fifo_stat.qba + ( 3 * (fifo_stat.qsz << 11) )); - } - store_runtime_reg( base, I2O_OFTPR, (unsigned int)pTil ); - } - } - - return stat; -} - -/****************************************************** - * function: I2OFIFOFree - * - * description: Free a used MFA back to free queue after - * use. - * return I2OSUCCESS if no error. - * return I2OQUEFULL if inbound free queue - * overflow - * - * note: PCI Master frees a MFA into device's outbound queue - * (OFQPR) while local processor frees a MFA into its - * inbound queue (IFHPR). - *****************************************************/ -I2OSTATUS I2OFIFOFree( LOCATION loc, - unsigned int base, - void *pMsg ) -{ - void **pHdr, **pTil; - I2OSTATUS stat = I2OSUCCESS; - - if ( fifo_stat.qba == 0xffffffff || pMsg == 0 ) - { - return I2OQUEINVALID; - } - - if ( loc == REMOTE ) - { - /* pcsrbar is the base */ - store_runtime_reg( base, I2O_OFQPR, (unsigned int)pMsg ); - } - else - { - /* eumbbar is the base */ - pHdr = (void **)load_runtime_reg( base, I2O_IFHPR ); - pTil = (void **)load_runtime_reg( base, I2O_IFTPR ); - - /* store MFA */ - *pHdr = pMsg; - - /* update IFHPR */ - pHdr += 4; - - if ( (unsigned int)pHdr == fifo_stat.qba + ( fifo_stat.qsz << 11 ) ) - { - /* reach the upper limit */ - pHdr = (void **)fifo_stat.qba; - } - - /* check inbound free queue overflow */ - if ( pHdr != pTil ) - { - store_runtime_reg( base, I2O_OPHPR, (unsigned int)pHdr); - } - else - { - stat = I2OQUEFULL; - } - - } - - return stat; - -} - -/********************************************* - * function: I2OFIFOPost - * - * description: Post a msg into FIFO post queue - * the value of msg must be the one - * returned by I2OFIFOAlloc - * - * note: PCI Master posts a msg into device's inbound queue - * (IFQPR) while local processor post a msg into device's - * outbound queue (OPHPR) - *********************************************/ -I2OSTATUS I2OFIFOPost( LOCATION loc, - unsigned int base, - void *pMsg ) -{ - void **pHdr, **pTil; - I2OSTATUS stat = I2OSUCCESS; - - if ( fifo_stat.qba == 0xffffffff || pMsg == 0 ) - { - return I2OQUEINVALID; - } - - if ( loc == REMOTE ) - { - /* pcsrbar is the base */ - store_runtime_reg( base, I2O_IFQPR, (unsigned int)pMsg ); - } - else - { - /* eumbbar is the base */ - pHdr = (void **)load_runtime_reg( base, I2O_OPHPR ); - pTil = (void **)load_runtime_reg( base, I2O_OPTPR ); - - /* store MFA */ - *pHdr = pMsg; - - /* update IFHPR */ - pHdr += 4; - - if ( (unsigned int)pHdr == fifo_stat.qba + 3 * ( fifo_stat.qsz << 11 ) ) - { - /* reach the upper limit */ - pHdr = (void **)(fifo_stat.qba + 2 * ( fifo_stat.qsz << 11 ) ); - } - - /* check post queue overflow */ - if ( pHdr != pTil ) - { - store_runtime_reg( base, I2O_OPHPR, (unsigned int)pHdr); - } - else - { - stat = I2OQUEFULL; - } - } - - return stat; -} - -/************************************************ - * function: I2OFIFOGet - * - * description: Read a msg from FIFO - * This function should be called - * only when there is a corresponding - * msg interrupt. - * - * note: PCI Master reads a msg from device's outbound queue - * (OFQPR) while local processor reads a msg from device's - * inbound queue (IPTPR) - ************************************************/ -I2OSTATUS I2OFIFOGet( LOCATION loc, - unsigned int base, - void **pMsg ) -{ - I2OSTATUS stat = I2OSUCCESS; - void *pHdr, *pTil; - - if ( pMsg == 0 || *pMsg == 0 || fifo_stat.qba == 0xffffffff ) - { - /* not configured */ - return I2OQUEINVALID; - } - - if ( loc == REMOTE ) - { - /* pcsrbar is the base */ - pTil = (void *)load_runtime_reg( base, I2O_OFQPR ); - if ( ( (unsigned int)pTil & 0xFFFFFFF ) == 0xFFFFFFFF ) - { - stat = I2OQUEEMPTY; - } - else - { - *pMsg = pTil; - } - } - else - { - /* eumbbar is the base and read the outbound free tail ptr */ - pHdr = (void *)load_runtime_reg( base, I2O_IPHPR ); /* queue head */ - pTil = (void *)load_runtime_reg( base, I2O_IPTPR ); /* queue tail */ - - /* check underflow */ - if ( pHdr == pTil ) - { - /* no free MFA */ - stat = I2OQUEEMPTY; - } - else - { - /* update OFTPR */ - *pMsg = (void *)(*(unsigned char *)pTil); - pTil = (void *)((unsigned int)pTil + 4); - if ( (unsigned int)pTil == fifo_stat.qba + 2 * ( fifo_stat.qsz << 11 ) ) - { - /* reach the upper limit */ - pTil = (void *)(fifo_stat.qba + 1 * (fifo_stat.qsz << 11) ); - } - - store_runtime_reg( base, I2O_IPTPR, (unsigned int)pTil ); - } - } - - return stat; -} - -/******************************************************** - * function: I2OIOP - * - * description: Get the I2O PCI configuration identification - * register. - * - * note: PCI master should pass pcsrbar while local processor - * should pass eumbbar. - *********************************************************/ -I2OSTATUS I2OPCIConfigGet( LOCATION loc, - unsigned int base, - I2OIOP * val) -{ - unsigned int tmp; - if ( val == 0 ) - { - return I2OINVALID; - } - tmp = load_runtime_reg( base, PCI_CFG_CLA ); - val->base_class = ( tmp & 0xFF) << 16; - tmp = load_runtime_reg( base, PCI_CFG_SCL ); - val->sub_class= ( (tmp & 0xFF) << 8 ); - tmp = load_runtime_reg( base, PCI_CFG_PIC ); - val->prg_code = (tmp & 0xFF); - return I2OSUCCESS; -} - -/********************************************************* - * function: I2OFIFOIntEnable - * - * description: Enable the circular post queue interrupt - * - * note: - * PCI master enables outbound FIFO interrupt of device - * pscrbar is the base - * Device enables its inbound FIFO interrupt - * eumbbar is the base - *******************************************************/ -void I2OFIFOIntEnable( LOCATION loc, unsigned int base ) -{ - unsigned int reg, val; - - /* LOCATION - REMOTE : enable outbound message of device, pcsrbar as base - * LOCAL : enable local inbound message, eumbbar as base - */ - reg = ( loc == REMOTE ? I2O_OMIMR : I2O_IMIMR ); - val = load_runtime_reg( base, reg ); - - val &= 0xffffffdf; /* clear the msg interrupt bits */ - store_runtime_reg( base, reg, val ); - -} - -/**************************************************** - * function: I2OFIFOIntDisable - * - * description: Disable the circular post queue interrupt - * - * note: - * PCI master disables outbound FIFO interrupt of device - * (pscrbar is the base) - * Device disables its inbound FIFO interrupt - * (eumbbar is the base) - *****************************************************/ -void I2OFIFOIntDisable( LOCATION loc, unsigned int base ) -{ - - /* LOCATION - REMOTE : disable outbound message interrupt of device, pcsrbar as base - * LOCAL : disable local inbound message interrupt, eumbbar as base - */ - unsigned int reg = ( loc == REMOTE ? I2O_OMIMR : I2O_IMIMR ); - unsigned int val = load_runtime_reg( base, reg ); - - val |= 0x00000020; /* masked out the msg interrupt bits */ - store_runtime_reg( base, reg, val ); - -} - -/********************************************************* - * function: I2OFIFOOverflowIntEnable - * - * description: Enable the circular queue overflow interrupt - * - * note: - * Device enables its inbound FIFO post overflow interrupt - * and outbound free overflow interrupt. - * eumbbar is the base - *******************************************************/ -void I2OFIFOOverflowIntEnable( unsigned int eumbbar ) -{ - unsigned int val = load_runtime_reg( eumbbar, I2O_IMIMR ); - - val &= 0xfffffe7f; /* clear the two overflow interrupt bits */ - store_runtime_reg( eumbbar, I2O_IMIMR, val ); - -} - -/**************************************************** - * function: I2OFIFOOverflowIntDisable - * - * description: Disable the circular queue overflow interrupt - * - * note: - * Device disables its inbound post FIFO overflow interrupt - * and outbound free FIFO overflow interrupt - * (eumbbar is the base) - *****************************************************/ -void I2OFIFOOverflowIntDisable( unsigned int eumbbar ) -{ - - unsigned int val = load_runtime_reg( eumbbar, I2O_IMIMR ); - - val |= 0x00000180; /* masked out the msg overflow interrupt bits */ - store_runtime_reg( eumbbar, I2O_IMIMR, val ); -} diff --git a/cpu/mpc824x/drivers/i2o/i2o2.S b/cpu/mpc824x/drivers/i2o/i2o2.S deleted file mode 100644 index 990f9ef..0000000 --- a/cpu/mpc824x/drivers/i2o/i2o2.S +++ /dev/null @@ -1,47 +0,0 @@ -/************************************** - * - * copyright @ Motorola, 1999 - * - **************************************/ - -/********************************************************** - * function: load_runtime_reg - * - * input: r3 - value of eumbbar - * r4 - register offset in embedded utility space - * - * output: r3 - register content - **********************************************************/ - .text - .align 2 - .global load_runtime_reg - -load_runtime_reg: - - xor r5,r5,r5 - or r5,r5,r3 /* save eumbbar */ - - lwbrx r3,r4,r5 - sync - - bclr 20, 0 - -/**************************************************************** - * function: store_runtime_reg - * - * input: r3 - value of eumbbar - * r4 - register offset in embedded utility space - * r5 - new value to be stored - * - ****************************************************************/ - .text - .align 2 - .global store_runtime_reg -store_runtime_reg: - - xor r0,r0,r0 - - stwbrx r5, r4, r3 - sync - - bclr 20,0 |