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Diffstat (limited to 'cpu/mpc824x/drivers/i2o.h')
| -rw-r--r-- | cpu/mpc824x/drivers/i2o.h | 344 |
1 files changed, 0 insertions, 344 deletions
diff --git a/cpu/mpc824x/drivers/i2o.h b/cpu/mpc824x/drivers/i2o.h deleted file mode 100644 index c47253d..0000000 --- a/cpu/mpc824x/drivers/i2o.h +++ /dev/null @@ -1,344 +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 |