static int rtl8169_init(rtl8169 *r) { //bigtime_t time; int err = -1; //addr_t temp; //int i; hal_mutex_init(&r->lock,DEBUG_MSG_PREFIX); SHOW_FLOW(2, "rtl8169_init: r %p\n", r); /* r->region = vm_map_physical_memory(vm_get_kernel_aspace_id(), "rtl8169_region", (void **)&r->virt_base, REGION_ADDR_ANY_ADDRESS, r->phys_size, LOCK_KERNEL|LOCK_RW, r->phys_base); if(r->region < 0) { SHOW_ERROR0(1, "rtl8169_init: error creating memory mapped region\n"); err = -1; goto err; }*/ size_t n_pages = BYTES_TO_PAGES(r->phys_size); hal_alloc_vaddress( (void **)&r->virt_base, n_pages); // alloc address of a page, but not memory hal_pages_control_etc( r->phys_base, (void *)r->virt_base, n_pages, page_map_io, page_rw, 0 ); SHOW_INFO(2, "rtl8169 mapped at address 0x%lx\n", r->virt_base); #if 0 /* create regions for tx and rx descriptors */ r->rxdesc_region = vm_create_anonymous_region(vm_get_kernel_aspace_id(), "rtl8169_rxdesc", (void **)&r->rxdesc, REGION_ADDR_ANY_ADDRESS, NUM_RX_DESCRIPTORS * DESCRIPTOR_LEN, REGION_WIRING_WIRED_CONTIG, LOCK_KERNEL|LOCK_RW); r->rxdesc_phys = vtophys(r->rxdesc); SHOW_INFO(2, "rtl8169: rx descriptors at %p, phys 0x%x\n", r->rxdesc, r->rxdesc_phys); r->txdesc_region = vm_create_anonymous_region(vm_get_kernel_aspace_id(), "rtl8169_txdesc", (void **)&r->txdesc, REGION_ADDR_ANY_ADDRESS, NUM_TX_DESCRIPTORS * DESCRIPTOR_LEN, REGION_WIRING_WIRED_CONTIG, LOCK_KERNEL|LOCK_RW); r->txdesc_phys = vtophys(r->txdesc); SHOW_INFO(2, "rtl8169: tx descriptors at %p, phys 0x%x\n", r->txdesc, r->txdesc_phys); r->reg_spinlock = 0; /* create a large tx and rx buffer for the descriptors to point to */ r->rxbuf_region = vm_create_anonymous_region(vm_get_kernel_aspace_id(), "rtl8169_rxbuf", (void **)&r->rxbuf, REGION_ADDR_ANY_ADDRESS, NUM_RX_DESCRIPTORS * BUFSIZE_PER_FRAME, REGION_WIRING_WIRED, LOCK_KERNEL|LOCK_RW); r->txbuf_region = vm_create_anonymous_region(vm_get_kernel_aspace_id(), "rtl8169_txbuf", (void **)&r->txbuf, REGION_ADDR_ANY_ADDRESS, NUM_TX_DESCRIPTORS * BUFSIZE_PER_FRAME, REGION_WIRING_WIRED, LOCK_KERNEL|LOCK_RW); #endif hal_pv_alloc( &r->rxdesc_phys, (void**)&r->rxdesc, NUM_RX_DESCRIPTORS * DESCRIPTOR_LEN ); hal_pv_alloc( &r->txdesc_phys, (void**)&r->txdesc, NUM_TX_DESCRIPTORS * DESCRIPTOR_LEN ); SHOW_INFO(2, "rx descriptors at %p, phys 0x%x\n", r->rxdesc, r->rxdesc_phys); SHOW_INFO(2, "tx descriptors at %p, phys 0x%x\n", r->txdesc, r->txdesc_phys); hal_pv_alloc( &r->rxbuf_phys, (void**)&r->rxbuf, NUM_RX_DESCRIPTORS * BUFSIZE_PER_FRAME ); hal_pv_alloc( &r->txbuf_phys, (void**)&r->txbuf, NUM_TX_DESCRIPTORS * BUFSIZE_PER_FRAME ); /* create a receive sem */ hal_sem_init( &r->rx_sem, "rtl8169 rx_sem"); /* transmit sem */ hal_sem_init( &r->tx_sem, "rtl8169 tx_sem"); /* reset the chip */ int repeats = 100; RTL_WRITE_8(r, REG_CR, (1<<4)); // reset the chip, disable tx/rx do { hal_sleep_msec(10); // 10ms if(repeats -- <= 0 ) break; } while(RTL_READ_8(r, REG_CR) & (1<<4)); /* read in the mac address */ r->mac_addr[0] = RTL_READ_8(r, REG_IDR0); r->mac_addr[1] = RTL_READ_8(r, REG_IDR1); r->mac_addr[2] = RTL_READ_8(r, REG_IDR2); r->mac_addr[3] = RTL_READ_8(r, REG_IDR3); r->mac_addr[4] = RTL_READ_8(r, REG_IDR4); r->mac_addr[5] = RTL_READ_8(r, REG_IDR5); SHOW_INFO(2, "rtl8169: mac addr %x:%x:%x:%x:%x:%x\n", r->mac_addr[0], r->mac_addr[1], r->mac_addr[2], r->mac_addr[3], r->mac_addr[4], r->mac_addr[5]); /* some voodoo from BSD driver */ RTL_WRITE_16(r, REG_CCR, RTL_READ_16(r, REG_CCR)); RTL_SETBITS_16(r, REG_CCR, 0x3); /* mask all interrupts */ RTL_WRITE_16(r, REG_IMR, 0); /* set up the tx/rx descriptors */ rtl8169_setup_descriptors(r); /* enable tx/rx */ RTL_SETBITS_8(r, REG_CR, (1<<3)|(1<<2)); /* set up the rx state */ /* 1024 byte dma threshold, 1024 dma max burst, CRC calc 8 byte+, accept all packets */ RTL_WRITE_32(r, REG_RCR, (1<<16) | (6<<13) | (6<<8) | (0xf << 0)); RTL_SETBITS_16(r, REG_CCR, (1<<5)); // rx checksum enable RTL_WRITE_16(r, REG_RMS, 1518); // rx mtu /* set up the tx state */ RTL_WRITE_32(r, REG_TCR, (RTL_READ_32(r, REG_TCR) & ~0x1ff) | (6<<8)); // 1024 max burst dma RTL_WRITE_8(r, REG_MTPS, 0x3f); // max tx packet size (must be careful to not actually transmit more than mtu) /* set up the interrupt handler */ //int_set_io_interrupt_handler(r->irq, &rtl8169_int, r, "rtl8169"); if(hal_irq_alloc( r->irq, &rtl8169_int, r, HAL_IRQ_SHAREABLE )) { SHOW_ERROR( 0, "unable to allocate irq %d", r->irq ); goto err1; } /* clear all pending interrupts */ RTL_WRITE_16(r, REG_ISR, 0xffff); /* unmask interesting interrupts */ RTL_WRITE_16(r, REG_IMR, IMR_SYSERR | IMR_LINKCHG | IMR_TER | IMR_TOK | IMR_RER | IMR_ROK | IMR_RXOVL); return 0; err1: // TODO free what? //vm_delete_region(vm_get_kernel_aspace_id(), r->region); //err: return err; }
int rtl8169_init(rtl8169 *r) { bigtime_t time; int err = -1; addr_t temp; int i; SHOW_FLOW(2, "rtl8169_init: r %p\n", r); r->region = vm_map_physical_memory(vm_get_kernel_aspace_id(), "rtl8169_region", (void **)&r->virt_base, REGION_ADDR_ANY_ADDRESS, r->phys_size, LOCK_KERNEL|LOCK_RW, r->phys_base); if(r->region < 0) { SHOW_ERROR0(1, "rtl8169_init: error creating memory mapped region\n"); err = -1; goto err; } SHOW_INFO(2, "rtl8169 mapped at address 0x%lx\n", r->virt_base); /* create regions for tx and rx descriptors */ r->rxdesc_region = vm_create_anonymous_region(vm_get_kernel_aspace_id(), "rtl8169_rxdesc", (void **)&r->rxdesc, REGION_ADDR_ANY_ADDRESS, NUM_RX_DESCRIPTORS * DESCRIPTOR_LEN, REGION_WIRING_WIRED_CONTIG, LOCK_KERNEL|LOCK_RW); r->rxdesc_phys = vtophys(r->rxdesc); SHOW_INFO(2, "rtl8169: rx descriptors at %p, phys 0x%x\n", r->rxdesc, r->rxdesc_phys); r->txdesc_region = vm_create_anonymous_region(vm_get_kernel_aspace_id(), "rtl8169_txdesc", (void **)&r->txdesc, REGION_ADDR_ANY_ADDRESS, NUM_TX_DESCRIPTORS * DESCRIPTOR_LEN, REGION_WIRING_WIRED_CONTIG, LOCK_KERNEL|LOCK_RW); r->txdesc_phys = vtophys(r->txdesc); SHOW_INFO(2, "rtl8169: tx descriptors at %p, phys 0x%x\n", r->txdesc, r->txdesc_phys); r->reg_spinlock = 0; /* create a large tx and rx buffer for the descriptors to point to */ r->rxbuf_region = vm_create_anonymous_region(vm_get_kernel_aspace_id(), "rtl8169_rxbuf", (void **)&r->rxbuf, REGION_ADDR_ANY_ADDRESS, NUM_RX_DESCRIPTORS * BUFSIZE_PER_FRAME, REGION_WIRING_WIRED, LOCK_KERNEL|LOCK_RW); r->txbuf_region = vm_create_anonymous_region(vm_get_kernel_aspace_id(), "rtl8169_txbuf", (void **)&r->txbuf, REGION_ADDR_ANY_ADDRESS, NUM_TX_DESCRIPTORS * BUFSIZE_PER_FRAME, REGION_WIRING_WIRED, LOCK_KERNEL|LOCK_RW); /* create a receive sem */ r->rx_sem = sem_create(0, "rtl8169 rx_sem"); /* transmit sem */ r->tx_sem = sem_create(1, "rtl8169 tx_sem"); /* reset the chip */ time = system_time(); RTL_WRITE_8(r, REG_CR, (1<<4)); // reset the chip, disable tx/rx do { thread_snooze(10000); // 10ms if(system_time() - time > 1000000) { break; } } while(RTL_READ_8(r, REG_CR) & (1<<4)); /* read in the mac address */ r->mac_addr[0] = RTL_READ_8(r, REG_IDR0); r->mac_addr[1] = RTL_READ_8(r, REG_IDR1); r->mac_addr[2] = RTL_READ_8(r, REG_IDR2); r->mac_addr[3] = RTL_READ_8(r, REG_IDR3); r->mac_addr[4] = RTL_READ_8(r, REG_IDR4); r->mac_addr[5] = RTL_READ_8(r, REG_IDR5); SHOW_INFO(2, "rtl8169: mac addr %x:%x:%x:%x:%x:%x\n", r->mac_addr[0], r->mac_addr[1], r->mac_addr[2], r->mac_addr[3], r->mac_addr[4], r->mac_addr[5]); /* some voodoo from BSD driver */ RTL_WRITE_16(r, REG_CCR, RTL_READ_16(r, REG_CCR)); RTL_SETBITS_16(r, REG_CCR, 0x3); /* mask all interrupts */ RTL_WRITE_16(r, REG_IMR, 0); /* set up the tx/rx descriptors */ rtl8169_setup_descriptors(r); /* enable tx/rx */ RTL_SETBITS_8(r, REG_CR, (1<<3)|(1<<2)); /* set up the rx state */ /* 1024 byte dma threshold, 1024 dma max burst, CRC calc 8 byte+, accept all packets */ RTL_WRITE_32(r, REG_RCR, (1<<16) | (6<<13) | (6<<8) | (0xf << 0)); RTL_SETBITS_16(r, REG_CCR, (1<<5)); // rx checksum enable RTL_WRITE_16(r, REG_RMS, 1518); // rx mtu /* set up the tx state */ RTL_WRITE_32(r, REG_TCR, (RTL_READ_32(r, REG_TCR) & ~0x1ff) | (6<<8)); // 1024 max burst dma RTL_WRITE_8(r, REG_MTPS, 0x3f); // max tx packet size (must be careful to not actually transmit more than mtu) /* set up the interrupt handler */ int_set_io_interrupt_handler(r->irq, &rtl8169_int, r, "rtl8169"); /* clear all pending interrupts */ RTL_WRITE_16(r, REG_ISR, 0xffff); /* unmask interesting interrupts */ RTL_WRITE_16(r, REG_IMR, IMR_SYSERR | IMR_LINKCHG | IMR_TER | IMR_TOK | IMR_RER | IMR_ROK | IMR_RXOVL); return 0; err1: vm_delete_region(vm_get_kernel_aspace_id(), r->region); err: return err; }