/* int init_module(void) */
int can_init(void)
{
int i;
#if LDDK_USE_BLKREQUEST
extern int Can_request ();
#endif
DBGin("init_module");
printk("Init can\n");
//while(1);
#ifdef LDDK_USE_REGISTER
if( register_chrdev(Can_major, "Can", &can_fops) ) {
printk("can't get Major %d\n", Can_major);
return(-EIO);
}
#endif
{
printk("CAN Driver for Open Cores CAN MAC (c) " __DATE__ " " __TIME__ "\n");
//printk(__CAN_TYPE__ "CAN Driver " VERSION " (c) " __DATE__ " " __TIME__ "\n");
printk(" H. Obereder (gleichmann)\n");
/* printk(" H.J. Oertel ([email protected])\n");*/
/* printk(" C.Schroeter ([email protected]), H.D. Stich\n"); */
}
/*
initialize the variables layed down in /proc/sys/Can
*/
for (i = 0; i < MAX_CHANNELS; i++) {
IOModel[i] = IO_MODEL;
Baud[i] = 500;
AccCode[i] = AccMask[i] = STD_MASK;
Timeout[i] = 100;
Outc[i] = CAN_OUTC_VAL;
IRQ_requested[i] = 0;
Can_minors[i] = i; /* used as IRQ dev_id */
/*Byte access for LEON3 Sparc */
/*changed by hobe */
#define LEON3 1
#ifdef LEON3
Base[i] = (0xFFFC0000);
IRQ[i] = 13;
#endif
#if defined(MCF5282)
/* we have a really fixed address here */
Base[i] = (MCF_MBAR + 0x1c0000);
/* Because the MCF FlexCAN is using more then 1 Interrupt vector,
* what should be specified here ?
* For information purpose let's only specify the first used here
*/
IRQ[i] = 136;
#endif
#if defined(CCPC104)
pc104_irqsetup();
IRQ[i] = 67; /* The only possible vector on CTRLink's 5282 CPU */
Base[i] = 0x40000280;
#endif
}
/* after initializing channel based parameters
* finisch some entries
* and do drivers specific initialization
*/
IOModel[i] = '\0';
/* CAN_register_dump(); */
#if CAN4LINUX_PCI
/* make some sysctl entries read only
* IRQ number
* Base address
* and access mode
* are fixed and provided by the PCI BIOS
*/
Can_sysctl_table[SYSCTL_IRQ - 1].mode = 0444;
Can_sysctl_table[SYSCTL_BASE - 1].mode = 0444;
/* printk("CAN pci test loaded\n"); */
/* dbgMask = 0; */
pcimod_scan();
#endif
#if defined(CCPC104)
/* The only possible interrupt could be IRQ4 on the PC104 Board */
Can_sysctl_table[SYSCTL_IRQ - 1].mode = 0444;
#endif
#if defined(MCF5282)
Can_sysctl_table[SYSCTL_BASE - 1].mode = 0444;
#endif
/* #if LDDK_USE_PROCINFO */
/* #error procinfo */
/* register_procinfo(); */
/* #endif */
/* #if LDDK_USE_SYSCTL */
register_systables();
/* #endif */
#if LDDK_USE_BLKREQUEST
blk_dev[Can_major].request_fn = Can_request ;
#endif
DBGout();
return 0;
}
/* int init_module(void) */
static int __init can_init(void)
{
int i;
#if LDDK_USE_BLKREQUEST
extern int Can_request ();
#endif
DBGin("init_module");
#ifdef CONFIG_DEVFS_FS
devfs_mk_cdev (MKDEV(Can_MAJOR, 0), S_IRUSR | S_IWUSR | S_IFCHR, "can0", 0);
#endif
#if LDDK_USE_REGISTER
if( register_chrdev(Can_major, "can", &can_fops) ) {
printk("can't get Major %d\n", Can_major);
return(-EIO);
}
#endif
{
printk(__CAN_TYPE__ "CAN Driver " VERSION " (c) " __DATE__ " " __TIME__ "\n");
}
/*
initialize the variables layed down in /proc/sys/Can
*/
for (i = 0; i < MAX_CHANNELS; i++) {
IOModel[i] = IO_MODEL;
Baud[i] = 125;
AccCode[i] = AccMask[i] = STD_MASK;
Timeout[i] = 100;
Outc[i] = CAN_OUTC_VAL;
IRQ_requested[i] = 0;
Can_minors[i] = i; /* used as IRQ dev_id */
#if defined(CONFIG_FIRE_ENGINE)
/* we have a really fixed address here */
Base[i] = (MCF_MBAR + 0xa000 + CAN_MODULE*(0x0800));
/* Because the MCF FlexCAN is using more then 1 Interrupt vector,
* what should be specified here ?
* For information purpose let's only specify the first used here
*/
IRQ[i] = 64 + ISC_CANn_MBOR(CAN_MODULE);
#endif
#if defined(CONFIG_M528x)
Base[i] = (MCF_MBAR + 0x1c0000);
IRQ[i] = 136;
#endif
#if defined(CONFIG_M532x)
/* we have a really fixed address here */
Base[i] = MCF_FLEXCAN_BASEADDR(CAN_MODULE);
/* Because the MCF FlexCAN is using more then 1 Interrupt vector,
* what should be specified here ?
* For information purpose let's only specify the first used here
*/
IRQ[i] = 128;
/* Enable GPIO pins for CANTX, CANRX */
#if defined(CONFIG_M5329EVB)
/* On Freescale 5329 EVB CAN pins are muxed with I2C pins */
MCF_GPIO_PAR_FECI2C &= 0xF0;
MCF_GPIO_PAR_FECI2C |= MCF_GPIO_PAR_FECI2C_PAR_SDA(0x2) | MCF_GPIO_PAR_FECI2C_PAR_SCL(0x2);
#elif defined(CONFIG_UC532X) || defined(CONFIG_UC53281EVM)
#ifdef CONFIG_PAR_LCDDATA_FOR_CAN
/* we may use these pins for CAN signal */
MCF_GPIO_PAR_LCDDATA &= 0x0F;
MCF_GPIO_PAR_LCDDATA |= MCF_GPIO_PAR_LCDDATA_PAR_LD17(0x2) | MCF_GPIO_PAR_LCDDATA_PAR_LD16(0x2);
#else
MCF_GPIO_PAR_FECI2C &= 0xF0;
MCF_GPIO_PAR_FECI2C |= MCF_GPIO_PAR_FECI2C_PAR_SDA(0x2) | MCF_GPIO_PAR_FECI2C_PAR_SCL(0x2);
#endif
#else
/* Could be changed for other boards. Depends on board design */
MCF_GPIO_PDDR_SSI = 0;
MCF_GPIO_PAR_SSI = MCF_GPIO_PAR_SSI_PAR_RXD(0x1) | MCF_GPIO_PAR_SSI_PAR_TXD(0x1);
#endif
#endif
#if defined(CONFIG_M5253EVB)
/* we have a really fixed address here */
Base[i] = MCF_FLEXCAN_BASEADDR(i);
/* Because the MCF FlexCAN is using more then 1 Interrupt vector,
* what should be specified here ?
* For information purpose let's only specify the first used here
*/
IRQ[i] = 128 + i;
#endif
#if defined(CCPC104)
pc104_irqsetup();
IRQ[i] = 67; /* The only possible vector on CTRLink's 5282 CPU */
Base[i] = 0x40000280;
#endif
}
/* after initializing channel based parameters
* finisch some entries
* and do drivers specific initialization
*/
IOModel[i] = '\0';
/* CAN_register_dump(); */
#if CAN4LINUX_PCI
/* make some sysctl entries read only
* IRQ number
* Base address
* and access mode
* are fixed and provided by the PCI BIOS
*/
Can_sysctl_table[SYSCTL_IRQ - 1].mode = 0444;
Can_sysctl_table[SYSCTL_BASE - 1].mode = 0444;
/* printk("CAN pci test loaded\n"); */
/* dbgMask = 0; */
pcimod_scan();
#endif
#if defined(CCPC104)
/* The only possible interrupt could be IRQ4 on the PC104 Board */
Can_sysctl_table[SYSCTL_IRQ - 1].mode = 0444;
#endif
#if defined(CONFIG_FIRE_ENGINE)
Can_sysctl_table[SYSCTL_BASE - 1].mode = 0444;
#endif
#if defined(CONFIG_M532x) || defined(CONFIG_M5253) || defined(CONFIG_M528x)
Can_sysctl_table[SYSCTL_BASE - 1].mode = 0444;
#endif
#if LDDK_USE_PROCINFO
/* #error procinfo */
register_procinfo();
#endif
#if LDDK_USE_SYSCTL
register_systables();
#endif
#if LDDK_USE_BLKREQUEST
blk_dev[Can_major].request_fn = Can_request;
#endif
DBGout();
return 0;
}
