From: Mingkai Hu Mingkai.hu@freescale.com
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: Mingkai Hu Mingkai.hu@freescale.com Signed-off-by: Kumar Gala galak@kernel.crashing.org --- V3: * use fsl_setup_hose
board/freescale/mpc8536ds/mpc8536ds.c | 257 +++++++++------------------------ 1 files changed, 66 insertions(+), 191 deletions(-)
diff --git a/board/freescale/mpc8536ds/mpc8536ds.c b/board/freescale/mpc8536ds/mpc8536ds.c index da72916..ce40cdb 100644 --- a/board/freescale/mpc8536ds/mpc8536ds.c +++ b/board/freescale/mpc8536ds/mpc8536ds.c @@ -1,5 +1,5 @@ /* - * Copyright 2008 Freescale Semiconductor. + * Copyright 2008-2009 Freescale Semiconductor, Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -189,20 +189,26 @@ static struct pci_controller pcie2_hose; static struct pci_controller pcie3_hose; #endif
-int first_free_busno=0; - -void -pci_init_board(void) +#ifdef CONFIG_PCI +void pci_init_board(void) { - volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - uint devdisr = gur->devdisr; - uint sdrs2_io_sel = - (gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27; - uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; - uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + struct fsl_pci_info pci_info[4]; + u32 devdisr, pordevsr, io_sel, sdrs2_io_sel; + u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel; + int first_free_busno = 0; + int num = 0; + + int pcie_ep, pcie_configured;
- debug(" pci_init_board: devdisr=%x, sdrs2_io_sel=%x, io_sel=%x,\ - host_agent=%x\n", devdisr, sdrs2_io_sel, io_sel, host_agent); + devdisr = in_be32(&gur->devdisr); + pordevsr = in_be32(&gur->pordevsr); + porpllsr = in_be32(&gur->porpllsr); + io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; + sdrs2_io_sel = (pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27; + + debug(" pci_init_board: devdisr=%x, sdrs2_io_sel=%x, io_sel=%x\n", + devdisr, sdrs2_io_sel, io_sel);
if (sdrs2_io_sel == 7) printf(" Serdes2 disalbed\n"); @@ -212,228 +218,97 @@ pci_init_board(void) } else if (sdrs2_io_sel == 6) printf(" eTSEC1 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; + pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
- if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){ - printf ("\n PCIE3 connected to Slot3 as %s (base address %x)", + if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){ + SET_STD_PCIE_INFO(pci_info[num], 3); + pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs); + printf (" PCIE3 connected to Slot3 as %s (base address %lx)\n", 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); + pci_info[num].regs); + first_free_busno = fsl_pci_init_port(&pci_info[num++], + &pcie3_hose, first_free_busno); } 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_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; + pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){ - printf ("\n PCIE1 connected to Slot1 as %s (base address %x)", + SET_STD_PCIE_INFO(pci_info[num], 1); + pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs); + printf (" PCIE1 connected to Slot1 as %s (base address %lx)\n", 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); - -#ifdef CONFIG_SYS_PCIE1_MEM_BUS2 - /* outbound memory */ - pci_set_region(r++, - CONFIG_SYS_PCIE1_MEM_BUS2, - CONFIG_SYS_PCIE1_MEM_PHYS2, - CONFIG_SYS_PCIE1_MEM_SIZE2, - PCI_REGION_MEM); -#endif - 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); - + 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
#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; + pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
- if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){ - printf ("\n PCIE2 connected to Slot 2 as %s (base address %x)", + if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){ + SET_STD_PCIE_INFO(pci_info[num], 2); + pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs); + printf (" PCIE2 connected to Slot 2 as %s (base address %lx)\n", 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); - -#ifdef CONFIG_SYS_PCIE2_MEM_BUS2 - /* outbound memory */ - pci_set_region(r++, - CONFIG_SYS_PCIE2_MEM_BUS2, - CONFIG_SYS_PCIE2_MEM_PHYS2, - CONFIG_SYS_PCIE2_MEM_SIZE2, - PCI_REGION_MEM); -#endif - 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); - + 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_PCI1 -{ - volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR; - struct pci_controller *hose = &pci1_hose; - struct pci_region *r = hose->regions; - - uint pci_agent = is_fsl_pci_agent(LAW_TRGT_IF_PCI, host_agent); - uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */ - uint pci_32 = 1; - uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */ - uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */ + pci_speed = 66666000; + pci_32 = 1; + pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; + pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { - printf ("\n PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n", + SET_STD_PCI_INFO(pci_info[num], 1); + pci_agent = fsl_setup_hose(&pci1_hose, pci_info[num].regs); + printf ("\n PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n", (pci_32) ? 32 : 64, (pci_speed == 33333000) ? "33" : (pci_speed == 66666000) ? "66" : "unknown", pci_clk_sel ? "sync" : "async", pci_agent ? "agent" : "host", pci_arb ? "arbiter" : "external-arbiter", - (uint)pci - ); - - /* outbound memory */ - pci_set_region(r++, - CONFIG_SYS_PCI1_MEM_BUS, - CONFIG_SYS_PCI1_MEM_PHYS, - CONFIG_SYS_PCI1_MEM_SIZE, - PCI_REGION_MEM); - - /* outbound io */ - pci_set_region(r++, - CONFIG_SYS_PCI1_IO_BUS, - CONFIG_SYS_PCI1_IO_PHYS, - CONFIG_SYS_PCI1_IO_SIZE, - PCI_REGION_IO); - -#ifdef CONFIG_SYS_PCI1_MEM_BUS2 - /* outbound memory */ - pci_set_region(r++, - CONFIG_SYS_PCI1_MEM_BUS2, - CONFIG_SYS_PCI1_MEM_PHYS2, - CONFIG_SYS_PCI1_MEM_SIZE2, - PCI_REGION_MEM); -#endif - hose->region_count = r - hose->regions; - hose->first_busno=first_free_busno; + pci_info[num].regs);
- fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data); - first_free_busno=hose->last_busno+1; - printf ("PCI on bus %02x - %02x\n", - hose->first_busno,hose->last_busno); + first_free_busno = fsl_pci_init_port(&pci_info[num++], + &pci1_hose, first_free_busno); } else { printf (" PCI: disabled\n"); } -} + + puts("\n"); #else - gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ + setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */ #endif } +#endif
int board_early_init_r(void) {