ppc/85xx: Clean up mpc8572DS PCI setup code
authorKumar Gala <galak@kernel.crashing.org>
Thu, 3 Sep 2009 15:20:09 +0000 (10:20 -0500)
committerTom Rix <Tom.Rix@windriver.com>
Sat, 3 Oct 2009 14:04:34 +0000 (09:04 -0500)
Use new fsl_pci_init_port() that reduces amount of duplicated code in the
board ports, use IO accessors and clean up printing of status info.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
board/freescale/mpc8572ds/mpc8572ds.c

index c69934ca62d708ed4fa73c485a8e3eb51b2ec59e..933dd127ec922d68b0a008cfaf3f25183a795c50 100644 (file)
@@ -160,189 +160,105 @@ static struct pci_controller pcie2_hose;
 static struct pci_controller pcie3_hose;
 #endif
 
-int first_free_busno=0;
 #ifdef CONFIG_PCI
 void pci_init_board(void)
 {
        volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
-       uint devdisr = gur->devdisr;
-       uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
-       uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+       struct fsl_pci_info pci_info[3];
+       u32 devdisr, pordevsr, io_sel, host_agent, temp32;
+       int first_free_busno = 0;
+       int num = 0;
+
+       int pcie_ep, pcie_configured;
+
+       devdisr = in_be32(&gur->devdisr);
+       pordevsr = in_be32(&gur->pordevsr);
+       io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
+       host_agent = (in_be32(&gur->porbmsr) & MPC85xx_PORBMSR_HA) >> 16;
 
        debug ("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
                        devdisr, io_sel, host_agent);
 
-       if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
+       if (!(pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
                printf ("    eTSEC1 is in sgmii mode.\n");
-       if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
+       if (!(pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
                printf ("    eTSEC2 is in sgmii mode.\n");
-       if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
+       if (!(pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
                printf ("    eTSEC3 is in sgmii mode.\n");
-       if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
+       if (!(pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
                printf ("    eTSEC4 is in sgmii mode.\n");
 
-
+       puts("\n");
 #ifdef CONFIG_PCIE3
-       {
-               volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
-               struct pci_controller *hose = &pcie3_hose;
-               int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_3, host_agent);
-               int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
-               struct pci_region *r = hose->regions;
-               u32 temp32;
-
-               if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
-                       printf ("\n    PCIE3 connected to ULI as %s (base address %x)",
-                                       pcie_ep ? "End Point" : "Root Complex",
-                                       (uint)pci);
-                       if (pci->pme_msg_det) {
-                               pci->pme_msg_det = 0xffffffff;
-                               debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
-                       }
-                       printf ("\n");
-
-                       /* outbound memory */
-                       pci_set_region(r++,
-                                       CONFIG_SYS_PCIE3_MEM_BUS,
-                                       CONFIG_SYS_PCIE3_MEM_PHYS,
-                                       CONFIG_SYS_PCIE3_MEM_SIZE,
-                                       PCI_REGION_MEM);
-
-                       /* outbound io */
-                       pci_set_region(r++,
-                                       CONFIG_SYS_PCIE3_IO_BUS,
-                                       CONFIG_SYS_PCIE3_IO_PHYS,
-                                       CONFIG_SYS_PCIE3_IO_SIZE,
-                                       PCI_REGION_IO);
-
-                       hose->region_count = r - hose->regions;
-                       hose->first_busno=first_free_busno;
-
-                       fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
-
-                       first_free_busno=hose->last_busno+1;
-                       printf ("    PCIE3 on bus %02x - %02x\n",
-                                       hose->first_busno,hose->last_busno);
-
-                       /*
-                        * Activate ULI1575 legacy chip by performing a fake
-                        * memory access.  Needed to make ULI RTC work.
-                        * Device 1d has the first on-board memory BAR.
-                        */
-
-                       pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0 ),
-                                       PCI_BASE_ADDRESS_1, &temp32);
-                       if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
-                               void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
-                                                               temp32, 4, 0);
-                               debug(" uli1572 read to %p\n", p);
-                               in_be32(p);
-                       }
-               } else {
-                       printf ("    PCIE3: disabled\n");
+       pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_3, host_agent);
+       pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
+
+       if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
+               SET_STD_PCIE_INFO(pci_info[num], 3);
+               printf ("    PCIE3 connected to ULI as %s (base addr %lx)\n",
+                               pcie_ep ? "End Point" : "Root Complex",
+                               pci_info[num].regs);
+               first_free_busno = fsl_pci_init_port(&pci_info[num++],
+                                       &pcie3_hose, first_free_busno);
+               /*
+                * Activate ULI1575 legacy chip by performing a fake
+                * memory access.  Needed to make ULI RTC work.
+                * Device 1d has the first on-board memory BAR.
+                */
+               pci_hose_read_config_dword(&pcie3_hose, PCI_BDF(2, 0x1d, 0),
+                               PCI_BASE_ADDRESS_1, &temp32);
+               if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
+                       void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
+                                       temp32, 4, 0);
+                       debug(" uli1572 read to %p\n", p);
+                       in_be32(p);
                }
-
+       } else {
+               printf ("    PCIE3: disabled\n");
        }
+       puts("\n");
 #else
-       gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
+       setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
 #endif
 
 #ifdef CONFIG_PCIE2
-       {
-               volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
-               struct pci_controller *hose = &pcie2_hose;
-               int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_2, host_agent);
-               int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
-               struct pci_region *r = hose->regions;
-
-               if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
-                       printf ("\n    PCIE2 connected to Slot 1 as %s (base address %x)",
-                                       pcie_ep ? "End Point" : "Root Complex",
-                                       (uint)pci);
-                       if (pci->pme_msg_det) {
-                               pci->pme_msg_det = 0xffffffff;
-                               debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
-                       }
-                       printf ("\n");
-
-                       /* outbound memory */
-                       pci_set_region(r++,
-                                       CONFIG_SYS_PCIE2_MEM_BUS,
-                                       CONFIG_SYS_PCIE2_MEM_PHYS,
-                                       CONFIG_SYS_PCIE2_MEM_SIZE,
-                                       PCI_REGION_MEM);
-
-                       /* outbound io */
-                       pci_set_region(r++,
-                                       CONFIG_SYS_PCIE2_IO_BUS,
-                                       CONFIG_SYS_PCIE2_IO_PHYS,
-                                       CONFIG_SYS_PCIE2_IO_SIZE,
-                                       PCI_REGION_IO);
-
-                       hose->region_count = r - hose->regions;
-                       hose->first_busno=first_free_busno;
-
-                       fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
-                       first_free_busno=hose->last_busno+1;
-                       printf ("    PCIE2 on bus %02x - %02x\n",
-                                       hose->first_busno,hose->last_busno);
-
-               } else {
-                       printf ("    PCIE2: disabled\n");
-               }
-
+       pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_2, host_agent);
+       pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
+
+       if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
+               SET_STD_PCIE_INFO(pci_info[num], 2);
+               printf ("    PCIE2 connected to Slot 1 as %s (base addr %lx)\n",
+                               pcie_ep ? "End Point" : "Root Complex",
+                               pci_info[num].regs);
+               first_free_busno = fsl_pci_init_port(&pci_info[num++],
+                                       &pcie2_hose, first_free_busno);
+       } else {
+               printf ("    PCIE2: disabled\n");
        }
+
+       puts("\n");
 #else
-       gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
+       setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
 #endif
-#ifdef CONFIG_PCIE1
-       {
-               volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
-               struct pci_controller *hose = &pcie1_hose;
-               int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
-               int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
-               struct pci_region *r = hose->regions;
-
-               if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
-                       printf ("\n    PCIE1 connected to Slot 2 as %s (base address %x)",
-                                       pcie_ep ? "End Point" : "Root Complex",
-                                       (uint)pci);
-                       if (pci->pme_msg_det) {
-                               pci->pme_msg_det = 0xffffffff;
-                               debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
-                       }
-                       printf ("\n");
-
-                       /* outbound memory */
-                       pci_set_region(r++,
-                                       CONFIG_SYS_PCIE1_MEM_BUS,
-                                       CONFIG_SYS_PCIE1_MEM_PHYS,
-                                       CONFIG_SYS_PCIE1_MEM_SIZE,
-                                       PCI_REGION_MEM);
-
-                       /* outbound io */
-                       pci_set_region(r++,
-                                       CONFIG_SYS_PCIE1_IO_BUS,
-                                       CONFIG_SYS_PCIE1_IO_PHYS,
-                                       CONFIG_SYS_PCIE1_IO_SIZE,
-                                       PCI_REGION_IO);
-
-                       hose->region_count = r - hose->regions;
-                       hose->first_busno=first_free_busno;
-
-                       fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
-
-                       first_free_busno=hose->last_busno+1;
-                       printf("    PCIE1 on bus %02x - %02x\n",
-                                       hose->first_busno,hose->last_busno);
-
-               } else {
-                       printf ("    PCIE1: disabled\n");
-               }
 
+#ifdef CONFIG_PCIE1
+       pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
+       pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+
+       if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
+               SET_STD_PCIE_INFO(pci_info[num], 1);
+               printf ("    PCIE1 connected to Slot 2 as %s (base addr %lx)\n",
+                               pcie_ep ? "End Point" : "Root Complex",
+                               pci_info[num].regs);
+               first_free_busno = fsl_pci_init_port(&pci_info[num++],
+                                       &pcie1_hose, first_free_busno);
+       } else {
+               printf ("    PCIE1: disabled\n");
        }
+
+       puts("\n");
 #else
-       gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+       setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
 #endif
 }
 #endif