diff options
| -rw-r--r-- | board/evb64260/zuma_pbb_mbox.c | 256 |
1 files changed, 132 insertions, 124 deletions
diff --git a/board/evb64260/zuma_pbb_mbox.c b/board/evb64260/zuma_pbb_mbox.c index 8e38102..3d7c976 100644 --- a/board/evb64260/zuma_pbb_mbox.c +++ b/board/evb64260/zuma_pbb_mbox.c @@ -12,57 +12,62 @@ struct _zuma_mbox_dev zuma_mbox_dev; static int zuma_mbox_write(struct _zuma_mbox_dev *dev, unsigned int data) { - unsigned int status, count = 0, i; - - status = (volatile int)le32_to_cpu(dev->sip->mbox_status); - - while((status & OUT_PENDING) && count < 1000) { - count++; - for(i=0;i<1000;i++); - status = (volatile int)le32_to_cpu(dev->sip->mbox_status); - } - if(count < 1000) { - /* if SET it means msg pending */ - /* printf("mbox real write %08x\n",data); */ - dev->sip->mbox_out = cpu_to_le32(data); - return 4; - } - - printf("mbox tx timeout\n"); - return 0; + unsigned int status, count = 0, i; + + status = (volatile int) le32_to_cpu(dev->sip->mbox_status); + + while ((status & OUT_PENDING) && count < 1000) { + count++; + for (i = 0; i < 1000; i++) + ; + status = (volatile int) le32_to_cpu(dev->sip->mbox_status); + } + if (count < 1000) { + /* if SET it means msg pending */ + /* printf("mbox real write %08x\n",data); */ + dev->sip->mbox_out = cpu_to_le32(data); + return 4; + } + + printf("mbox tx timeout\n"); + return 0; } static int zuma_mbox_read(struct _zuma_mbox_dev *dev, unsigned int *data) { - unsigned int status, count = 0, i; - - status = (volatile int)le32_to_cpu(dev->sip->mbox_status); - - while(!(status & IN_VALID) && count < 1000) { - count++; - for(i=0;i<1000;i++); - status = (volatile int)le32_to_cpu(dev->sip->mbox_status); - } - if(count < 1000) { - /* if SET it means msg pending */ - *data=le32_to_cpu(dev->sip->mbox_in); - /*printf("mbox real read %08x\n", *data); */ - return 4; - } - printf("mbox rx timeout\n"); - return 0; + unsigned int status, count = 0, i; + + status = (volatile int) le32_to_cpu(dev->sip->mbox_status); + + while (!(status & IN_VALID) && count < 1000) { + count++; + for (i = 0; i < 1000; i++) + ; + status = (volatile int) le32_to_cpu(dev->sip->mbox_status); + } + if (count < 1000) { + /* if SET it means msg pending */ + *data = le32_to_cpu(dev->sip->mbox_in); + /*printf("mbox real read %08x\n", *data); */ + return 4; + } + printf("mbox rx timeout\n"); + return 0; } static int zuma_mbox_do_one_mailbox(unsigned int out, unsigned int *in) { - int ret; - ret=zuma_mbox_write(&zuma_mbox_dev,out); - /*printf("write 0x%08x (%d bytes)\n", out, ret); */ - if(ret!=4) return -1; - ret=zuma_mbox_read(&zuma_mbox_dev,in); - /*printf("read 0x%08x (%d bytes)\n", *in, ret); */ - if(ret!=4) return -1; - return 0; + int ret; + + ret = zuma_mbox_write(&zuma_mbox_dev, out); + /*printf("write 0x%08x (%d bytes)\n", out, ret); */ + if (ret != 4) + return -1; + ret = zuma_mbox_read(&zuma_mbox_dev, in); + /*printf("read 0x%08x (%d bytes)\n", *in, ret); */ + if (ret != 4) + return -1; + return 0; } @@ -70,81 +75,82 @@ static int zuma_mbox_do_one_mailbox(unsigned int out, unsigned int *in) static int zuma_mbox_do_all_mailbox(void) { - unsigned int data_in; - unsigned short sdata_in; + unsigned int data_in; + unsigned short sdata_in; - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_START, &data_in)); + RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_START, &data_in)); - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_MACL, &data_in)); - memcpy(zuma_acc_mac+2,&data_in,4); - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_MACH, &data_in)); - sdata_in=data_in&0xffff; - memcpy(zuma_acc_mac,&sdata_in,2); + RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_MACL, &data_in)); + memcpy(zuma_acc_mac + 2, &data_in, 4); + RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_MACH, &data_in)); + sdata_in = data_in & 0xffff; + memcpy(zuma_acc_mac, &sdata_in, 2); - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_IP, &data_in)); - zuma_ip=data_in; + RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_IP, &data_in)); + zuma_ip = data_in; - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_SLOT, &data_in)); - zuma_slot_bac=data_in>>3; + RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_SLOT, &data_in)); + zuma_slot_bac = data_in >> 3; - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_BAUD, &data_in)); - zuma_console_baud = data_in & 0xffff; - zuma_debug_baud = data_in >> 16; + RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_BAUD, &data_in)); + zuma_console_baud = data_in & 0xffff; + zuma_debug_baud = data_in >> 16; - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_ENG_PRV_MACL, &data_in)); - memcpy(zuma_prv_mac+2,&data_in,4); - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_ENG_PRV_MACH, &data_in)); - sdata_in=data_in&0xffff; - memcpy(zuma_prv_mac,&sdata_in,2); + RET_IF_FAILED(zuma_mbox_do_one_mailbox + (ZUMA_MBOXMSG_ENG_PRV_MACL, &data_in)); + memcpy(zuma_prv_mac + 2, &data_in, 4); + RET_IF_FAILED(zuma_mbox_do_one_mailbox + (ZUMA_MBOXMSG_ENG_PRV_MACH, &data_in)); + sdata_in = data_in & 0xffff; + memcpy(zuma_prv_mac, &sdata_in, 2); - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_DONE, &data_in)); + RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_DONE, &data_in)); - return 0; + return 0; } -static void -zuma_mbox_dump(void) +static void zuma_mbox_dump(void) { - printf("ACC MAC=%04x%08x\n",*(unsigned short *)(&zuma_acc_mac),*(unsigned int *)((char *)&zuma_acc_mac+2)); - printf("PRV MAC=%04x%08x\n",*(unsigned short *)(&zuma_prv_mac),*(unsigned int *)((char *)&zuma_prv_mac+2)); - printf("slot:bac=%d:%d\n",(zuma_slot_bac>>2)&0xf, zuma_slot_bac & 0x3); - printf("BAUD1=%d BAUD2=%d\n",zuma_console_baud,zuma_debug_baud); + printf("ACC MAC=%04x%08x\n", *(unsigned short *) (&zuma_acc_mac), + *(unsigned int *) ((char *) &zuma_acc_mac + 2)); + printf("PRV MAC=%04x%08x\n", *(unsigned short *) (&zuma_prv_mac), + *(unsigned int *) ((char *) &zuma_prv_mac + 2)); + printf("slot:bac=%d:%d\n", (zuma_slot_bac >> 2) & 0xf, + zuma_slot_bac & 0x3); + printf("BAUD1=%d BAUD2=%d\n", zuma_console_baud, zuma_debug_baud); } -static void -zuma_mbox_setenv(void) +static void zuma_mbox_setenv(void) { - char *data, buf[32]; - unsigned char save = 0; - - data = getenv("baudrate"); - - if(!data || (zuma_console_baud != simple_strtoul(data, NULL, 10))) { - sprintf(buf, "%6d", zuma_console_baud); - setenv("baudrate", buf); - save=1; - printf("baudrate doesn't match from mbox\n"); - } - - ip_to_string(zuma_ip, buf); - setenv("ipaddr", buf); - - sprintf(buf,"%02x:%02x:%02x:%02x:%02x:%02x", - zuma_prv_mac[0], - zuma_prv_mac[1], - zuma_prv_mac[2], - zuma_prv_mac[3], - zuma_prv_mac[4], - zuma_prv_mac[5]); - setenv("ethaddr", buf); - - sprintf(buf,"%02x",zuma_slot_bac); - setenv("bacslot", buf); - - if(save) - saveenv(); + char *data, buf[32]; + unsigned char save = 0; + + data = getenv("baudrate"); + + if (!data || (zuma_console_baud != simple_strtoul(data, NULL, 10))) { + sprintf(buf, "%6d", zuma_console_baud); + setenv("baudrate", buf); + save = 1; + printf("baudrate doesn't match from mbox\n"); + } + + ip_to_string(zuma_ip, buf); + setenv("ipaddr", buf); + + sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x", + zuma_prv_mac[0], + zuma_prv_mac[1], + zuma_prv_mac[2], + zuma_prv_mac[3], zuma_prv_mac[4], zuma_prv_mac[5]); + setenv("ethaddr", buf); + + sprintf(buf, "%02x", zuma_slot_bac); + setenv("bacslot", buf); + + if (save) + saveenv(); } /** @@ -153,37 +159,39 @@ zuma_mbox_setenv(void) int zuma_mbox_init(void) { - unsigned int iobase; - memset(&zuma_mbox_dev, 0, sizeof(struct _zuma_mbox_dev)); + unsigned int iobase; + + memset(&zuma_mbox_dev, 0, sizeof(struct _zuma_mbox_dev)); - zuma_mbox_dev.dev = pci_find_device(VENDOR_ID_ZUMA, DEVICE_ID_ZUMA_PBB, 0); + zuma_mbox_dev.dev = + pci_find_device(VENDOR_ID_ZUMA, DEVICE_ID_ZUMA_PBB, 0); - if(zuma_mbox_dev.dev == -1) { - printf("no zuma pbb\n"); - return -1; - } + if (zuma_mbox_dev.dev == -1) { + printf("no zuma pbb\n"); + return -1; + } - pci_read_config_dword(zuma_mbox_dev.dev, PCI_BASE_ADDRESS_0, &iobase); + pci_read_config_dword(zuma_mbox_dev.dev, PCI_BASE_ADDRESS_0, &iobase); - iobase &= PCI_BASE_ADDRESS_MEM_MASK; + iobase &= PCI_BASE_ADDRESS_MEM_MASK; - zuma_mbox_dev.sip = (PBB_DMA_REG_MAP *)iobase; + zuma_mbox_dev.sip = (PBB_DMA_REG_MAP *) iobase; - zuma_mbox_dev.sip->int_mask.word=0; + zuma_mbox_dev.sip->int_mask.word = 0; - printf("pbb @ %p v%d.%d, timestamp %08x\n", zuma_mbox_dev.sip, - zuma_mbox_dev.sip->version.pci_bits.rev_major, - zuma_mbox_dev.sip->version.pci_bits.rev_minor, - zuma_mbox_dev.sip->timestamp); + printf("pbb @ %p v%d.%d, timestamp %08x\n", zuma_mbox_dev.sip, + zuma_mbox_dev.sip->version.pci_bits.rev_major, + zuma_mbox_dev.sip->version.pci_bits.rev_minor, + zuma_mbox_dev.sip->timestamp); - if (zuma_mbox_do_all_mailbox() == -1) { - printf("mailbox failed.. no ACC?\n"); - return -1; - } + if (zuma_mbox_do_all_mailbox() == -1) { + printf("mailbox failed.. no ACC?\n"); + return -1; + } - zuma_mbox_dump(); + zuma_mbox_dump(); - zuma_mbox_setenv(); + zuma_mbox_setenv(); - return 0; + return 0; } |