diff options
Diffstat (limited to 'board/evb64260/zuma_pbb_mbox.c')
| -rw-r--r-- | board/evb64260/zuma_pbb_mbox.c | 245 | 
1 files changed, 132 insertions, 113 deletions
| diff --git a/board/evb64260/zuma_pbb_mbox.c b/board/evb64260/zuma_pbb_mbox.c index 8e381024b..621c64cd8 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; +	unsigned int status, count = 0, i; -  status = (volatile int)le32_to_cpu(dev->sip->mbox_status); +	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; -  } +	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; +	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; +	unsigned int status, count = 0, i; -  status = (volatile int)le32_to_cpu(dev->sip->mbox_status); +	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; +	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 +75,93 @@ 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); +	unsigned short s; +	unsigned int i; + +	memcpy(&s, &zuma_acc_mac,    sizeof(s)); +	memcpy(&i, &zuma_acc_mac[2], sizeof(i)); +	printf("ACC MAC=%04x%08x\n", s, i); + +	memcpy(&s, &zuma_prv_mac,    sizeof(s)); +	memcpy(&s, &zuma_prv_mac[2], sizeof(i)); +	printf("PRV MAC=%04x%08x\n", s, i); + +	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; +	char *data, buf[32]; +	unsigned char save = 0; -  data = getenv("baudrate"); +	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"); -  } +	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); +	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:%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); +	sprintf(buf, "%02x", zuma_slot_bac); +	setenv("bacslot", buf); -  if(save) -    saveenv(); +	if (save) +		saveenv();  }  /** @@ -153,37 +170,39 @@ 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;  } |