efHeterogeneousSynchronization alarmDataOperation.c 袁明明 commit at 2021-02-10

efHeterogeneousSynchronization/databaseOperation/alarmDataOperation.c

@@ -222,3 +222,82 @@ titan_pci_tbi(struct pci_controller *hose, dma_addr_t start, dma_addr_t end)
 		csr = &port->port_specific.g.gtlbiv.csr;
 
 	/* For TBIA, it doesn't matter what value we write.  For TBI, 
+	   it's the shifted tag bits.  */
+	value = (start & 0xffff0000) >> 12;
+
+	wmb();
+	*csr = value;
+	mb();
+	*csr;
+}
+
+static int
+titan_query_agp(titan_pachip_port *port)
+{
+	union TPAchipPCTL pctl;
+
+	/* set up APCTL */
+	pctl.pctl_q_whole = port->pctl.csr;
+
+	return pctl.pctl_r_bits.apctl_v_agp_present;
+
+}
+
+static void __init
+titan_init_one_pachip_port(titan_pachip_port *port, int index)
+{
+	struct pci_controller *hose;
+
+	hose = alloc_pci_controller();
+	if (index == 0)
+		pci_isa_hose = hose;
+	hose->io_space = alloc_resource();
+	hose->mem_space = alloc_resource();
+
+	/*
+	 * This is for userland consumption.  The 40-bit PIO bias that we 
+	 * use in the kernel through KSEG doesn't work in the page table 
+	 * based user mappings. (43-bit KSEG sign extends the physical
+	 * address from bit 40 to hit the I/O bit - mapped addresses don't).
+	 * So make sure we get the 43-bit PIO bias.  
+	 */
+	hose->sparse_mem_base = 0;
+	hose->sparse_io_base = 0;
+	hose->dense_mem_base
+	  = (TITAN_MEM(index) & 0xffffffffffUL) | 0x80000000000UL;
+	hose->dense_io_base
+	  = (TITAN_IO(index) & 0xffffffffffUL) | 0x80000000000UL;
+
+	hose->config_space_base = TITAN_CONF(index);
+	hose->index = index;
+
+	hose->io_space->start = TITAN_IO(index) - TITAN_IO_BIAS;
+	hose->io_space->end = hose->io_space->start + TITAN_IO_SPACE - 1;
+	hose->io_space->name = pci_io_names[index];
+	hose->io_space->flags = IORESOURCE_IO;
+
+	hose->mem_space->start = TITAN_MEM(index) - TITAN_MEM_BIAS;
+	hose->mem_space->end = hose->mem_space->start + 0xffffffff;
+	hose->mem_space->name = pci_mem_names[index];
+	hose->mem_space->flags = IORESOURCE_MEM;
+
+	if (request_resource(&ioport_resource, hose->io_space) < 0)
+		printk(KERN_ERR "Failed to request IO on hose %d\n", index);
+	if (request_resource(&iomem_resource, hose->mem_space) < 0)
+		printk(KERN_ERR "Failed to request MEM on hose %d\n", index);
+
+	/*
+	 * Save the existing PCI window translations.  SRM will 
+	 * need them when we go to reboot.
+	 */
+	saved_config[index].wsba[0] = port->wsba[0].csr;
+	saved_config[index].wsm[0]  = port->wsm[0].csr;
+	saved_config[index].tba[0]  = port->tba[0].csr;
+
+	saved_config[index].wsba[1] = port->wsba[1].csr;
+	saved_config[index].wsm[1]  = port->wsm[1].csr;
+	saved_config[index].tba[1]  = port->tba[1].csr;
+
+	saved_config[index].wsba[2] = port->wsba[2].csr;
+	saved_config[index].wsm[2]  = port->wsm[2].csr;
+	saved_config[index].tba[2]  = port->tba[2].csr;