void rs780_enable(device_t dev)
{
device_t nb_dev, sb_dev;
int dev_ind;
nb_dev = _pci_make_tag(0, 0, 0);
sb_dev = _pci_make_tag(0, 8, 0);
_pci_break_tag(dev, NULL, &dev_ind, NULL);
switch(dev_ind) {
case 0:
printk_info("enable_pcie_bar3\n");
enable_pcie_bar3(nb_dev); /* PCIEMiscInit */
printk_info("config_gpp_core\n");
config_gpp_core(nb_dev, sb_dev);
printk_info("rs780_gpp_sb_init\n");
rs780_gpp_sb_init(nb_dev, sb_dev, 8);
/* set SB payload size: 64byte */
printk_info("set sb payload size:64byte\n");
set_pcie_enable_bits(nb_dev, 0x10 | PCIE_CORE_INDEX_GPPSB, 3 << 11, 2 << 11);
/* Bus0Dev0Fun1Clock control init, we have to do it here, for dev0 Fun1 doesn't have a vendor or device ID */
//rs780_config_misc_clk(nb_dev);
{ /* BTDC: NBPOR_InitPOR function. */
u8 temp8;
u16 temp16;
u32 temp32;
/* BTDC: Program NB PCI table. */
printk_info("Program NB PCI table\n");
temp16 = pci_read_config16(nb_dev, 0x04);
printk_debug("BTDC: NB_PCI_REG04 = %x.\n", temp16);
temp32 = pci_read_config32(nb_dev, 0x84);
printk_debug("BTDC: NB_PCI_REG84 = %x.\n", temp32);
pci_write_config8(nb_dev, 0x4c, 0x42);
temp8 = pci_read_config8(nb_dev, 0x4e);
temp8 |= 0x05;
pci_write_config8(nb_dev, 0x4e, temp8);
temp32 = pci_read_config32(nb_dev, 0x4c);
printk_debug("BTDC: NB_PCI_REG4C = %x.\n", temp32);
/* BTDC: disable GFX debug. */
printk_info("disable gfx debug\n");
temp8 = pci_read_config8(nb_dev, 0x8d);
temp8 &= ~(1<<1);
pci_write_config8(nb_dev, 0x8d, temp8);
/* BTDC: set temporary NB TOM to 0x40000000. */
//printk_info("set temporary NB TOM to 0xf0000000\n");
//pci_write_config32(nb_dev, 0x90, 0x40000000);
//pci_write_config32(nb_dev, 0x90, 0xf0000000);
printk_info("set temporary NB TOM to 0xffffffff\n");
pci_write_config32(nb_dev, 0x90, 0xffffffff);
/* BTDC: Program NB HTIU table. */
printk_info("Program NB HTIU table\n");
set_htiu_enable_bits(nb_dev, 0x05, 1<<10 | 1<<9, 1<<10|1<<9);
set_htiu_enable_bits(nb_dev, 0x06, 1, 0x4203a202);
set_htiu_enable_bits(nb_dev, 0x07, 1<<1 | 1<<2, 0x8001);
set_htiu_enable_bits(nb_dev, 0x15, 0, 1<<31 | 1<<30 | 1<<27);
set_htiu_enable_bits(nb_dev, 0x1c, 0, 0xfffe0000);
set_htiu_enable_bits(nb_dev, 0x4b, 1<<11, 1<<11);
set_htiu_enable_bits(nb_dev, 0x0c, 0x3f, 1 | 1<<3);
set_htiu_enable_bits(nb_dev, 0x17, 1<<1 | 1<<27, 1<<1);
set_htiu_enable_bits(nb_dev, 0x17, 0, 1<<30);
set_htiu_enable_bits(nb_dev, 0x19, 0xfffff+(1<<31), 0x186a0+(1<<31));
set_htiu_enable_bits(nb_dev, 0x16, 0x3f<<10, 0x7<<10);
set_htiu_enable_bits(nb_dev, 0x23, 0, 1<<28);
/* BTDC: Program NB MISC table. */
printk_info("set NB MISC table\n");
set_nbmisc_enable_bits(nb_dev, 0x0b, 0xffff, 0x00000180);
set_nbmisc_enable_bits(nb_dev, 0x00, 0xffff, 0x00000106);
set_nbmisc_enable_bits(nb_dev, 0x51, 0xffffffff, 0x00100100);
set_nbmisc_enable_bits(nb_dev, 0x53, 0xffffffff, 0x00100100);
set_nbmisc_enable_bits(nb_dev, 0x55, 0xffffffff, 0x00100100);
set_nbmisc_enable_bits(nb_dev, 0x57, 0xffffffff, 0x00100100);
set_nbmisc_enable_bits(nb_dev, 0x59, 0xffffffff, 0x00100100);
set_nbmisc_enable_bits(nb_dev, 0x5b, 0xffffffff, 0x00100100);
set_nbmisc_enable_bits(nb_dev, 0x5d, 0xffffffff, 0x00100100);
set_nbmisc_enable_bits(nb_dev, 0x5f, 0xffffffff, 0x00100100);
set_nbmisc_enable_bits(nb_dev, 0x20, 1<<1, 0);
set_nbmisc_enable_bits(nb_dev, 0x37, 1<<11|1<<12|1<<13|1<<26, 0);
set_nbmisc_enable_bits(nb_dev, 0x68, 1<<5|1<<6, 1<<5);
set_nbmisc_enable_bits(nb_dev, 0x6b, 1<<22, 1<<10);
set_nbmisc_enable_bits(nb_dev, 0x67, 1<<26, 1<<14|1<<10);
set_nbmisc_enable_bits(nb_dev, 0x24, 1<<28|1<<26|1<<25|1<<16, 1<<29|1<<25);
set_nbmisc_enable_bits(nb_dev, 0x38, 1<<24|1<<25, 1<<24);
set_nbmisc_enable_bits(nb_dev, 0x36, 1<<29, 1<<29|1<<28);
set_nbmisc_enable_bits(nb_dev, 0x0c, 0, 1<<13);
set_nbmisc_enable_bits(nb_dev, 0x34, 1<<22, 1<<10);
set_nbmisc_enable_bits(nb_dev, 0x39, 1<<10, 1<<30);
set_nbmisc_enable_bits(nb_dev, 0x22, 1<<3, 0);
set_nbmisc_enable_bits(nb_dev, 0x68, 1<<19, 0);
set_nbmisc_enable_bits(nb_dev, 0x24, 1<<16|1<<17, 1<<17);
set_nbmisc_enable_bits(nb_dev, 0x6a, 1<<22|1<<23, 1<<17|1<<23);
set_nbmisc_enable_bits(nb_dev, 0x35, 1<<21|1<<22, 1<<22);
set_nbmisc_enable_bits(nb_dev, 0x01, 0xffffffff, 0x48);
/* BTDC: the last two step. */
set_nbmisc_enable_bits(nb_dev, 0x01, 1<<8, 1<<8);
set_htiu_enable_bits(nb_dev, 0x2d, 1<<6|1<<4, 1<<6|1<<4);
}
break;
case 1: /* bus0, dev1, APC. */
printk_info("Bus-0, Dev-1, Fun-0.\n");
rs780_internal_gfx_enable(nb_dev,dev);
break;
case 2:
case 3:
set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind,
(1 ? 0 : 1) << dev_ind);
rs780_gfx_init(nb_dev, dev, dev_ind);
break;
case 4: /* bus0, dev4-7, four GPP */
case 5:
case 6:
case 7:
enable_pcie_bar3(nb_dev); /* PCIEMiscInit */
set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind,
(1 ? 0 : 1) << dev_ind);
rs780_gpp_sb_init(nb_dev, dev, dev_ind);
break;
case 8: /* bus0, dev8, SB */
set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 6,
(1 ? 0 : 1) << dev_ind);
rs780_gpp_sb_init(nb_dev, dev, dev_ind);
disable_pcie_bar3(nb_dev);
break;
case 9: /* bus 0, dev 9,10, GPP */
case 10:
enable_pcie_bar3(nb_dev); /* PCIEMiscInit */
set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << (7 + dev_ind),
(1 ? 0 : 1) << (7 + dev_ind));
rs780_gpp_sb_init(nb_dev, dev, dev_ind);
break;
default:
printk_debug("unknown dev: %s\n", dev_ind);
}
}
/***********************************************
* 0:00.0 NBCFG :
* 0:00.1 CLK : bit 0 of nb_cfg 0x4c : 0 - disable, default
* 0:01.0 P2P Internal:
* 0:02.0 P2P : bit 2 of nbmiscind 0x0c : 0 - enable, default + 32 * 2
* 0:03.0 P2P : bit 3 of nbmiscind 0x0c : 0 - enable, default + 32 * 2
* 0:04.0 P2P : bit 4 of nbmiscind 0x0c : 0 - enable, default + 32 * 2
* 0:05.0 P2P : bit 5 of nbmiscind 0x0c : 0 - enable, default + 32 * 2
* 0:06.0 P2P : bit 6 of nbmiscind 0x0c : 0 - enable, default + 32 * 2
* 0:07.0 P2P : bit 7 of nbmiscind 0x0c : 0 - enable, default + 32 * 2
* 0:08.0 NB2SB : bit 6 of nbmiscind 0x00 : 0 - disable, default + 32 * 1
* case 0 will be called twice, one is by cpu in hypertransport.c line458,
* the other is by rs690.
***********************************************/
void rs690_enable(device_t dev)
{
device_t nb_dev = 0, sb_dev = 0;
int dev_ind;
printk(BIOS_INFO, "rs690_enable: dev=%p, VID_DID=0x%x\n", dev, get_vid_did(dev));
nb_dev = dev_find_slot(0, PCI_DEVFN(0, 0));
if (!nb_dev) {
die("rs690_enable: CAN NOT FIND RS690 DEVICE, HALT!\n");
/* NOT REACHED */
}
/* sb_dev (dev 8) is a bridge that links to southbridge. */
sb_dev = dev_find_slot(0, PCI_DEVFN(8, 0));
if (!sb_dev) {
die("rs690_enable: CAN NOT FIND SB bridge, HALT!\n");
/* NOT REACHED */
}
dev_ind = dev->path.pci.devfn >> 3;
switch (dev_ind) {
case 0: /* bus0, dev0, fun0; */
printk(BIOS_INFO, "Bus-0, Dev-0, Fun-0.\n");
enable_pcie_bar3(nb_dev); /* PCIEMiscInit */
config_gpp_core(nb_dev, sb_dev);
rs690_gpp_sb_init(nb_dev, sb_dev, 8);
/* set SB payload size: 64byte */
set_pcie_enable_bits(nb_dev, 0x10 | PCIE_CORE_INDEX_GPPSB, 3 << 11, 2 << 11);
/* Bus0Dev0Fun1Clock control init, we have to do it here, for dev0 Fun1 doesn't have a vendor or device ID */
rs690_config_misc_clk(nb_dev);
break;
case 1: /* bus0, dev1 */
printk(BIOS_INFO, "Bus-0, Dev-1, Fun-0.\n");
break;
case 2: /* bus0, dev2,3, two GFX */
case 3:
printk(BIOS_INFO, "Bus-0, Dev-2,3, Fun-0. enable=%d\n", dev->enabled);
set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind,
(dev->enabled ? 0 : 1) << dev_ind);
if (dev->enabled)
rs690_gfx_init(nb_dev, dev, dev_ind);
break;
case 4: /* bus0, dev4-7, four GPP */
case 5:
case 6:
case 7:
printk(BIOS_INFO, "Bus-0, Dev-4,5,6,7, Fun-0. enable=%d\n",
dev->enabled);
set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind,
(dev->enabled ? 0 : 1) << dev_ind);
if (dev->enabled)
rs690_gpp_sb_init(nb_dev, dev, dev_ind);
break;
case 8: /* bus0, dev8, SB */
printk(BIOS_INFO, "Bus-0, Dev-8, Fun-0. enable=%d\n", dev->enabled);
set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 6,
(dev->enabled ? 1 : 0) << 6);
if (dev->enabled)
rs690_gpp_sb_init(nb_dev, dev, dev_ind);
disable_pcie_bar3(nb_dev);
break;
default:
printk(BIOS_DEBUG, "unknown dev: %s\n", dev_path(dev));
}
}