diff options
Diffstat (limited to 'cpu/mpc85xx/pci.c')
| -rw-r--r-- | cpu/mpc85xx/pci.c | 102 |
1 files changed, 55 insertions, 47 deletions
diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c index 5732c29eb..11f0c3e45 100644 --- a/cpu/mpc85xx/pci.c +++ b/cpu/mpc85xx/pci.c @@ -1,4 +1,5 @@ /* + * Copyright 2004 Freescale Semiconductor. * Copyright (C) 2003 Motorola Inc. * Xianghua Xiao (x.xiao@motorola.com) * @@ -28,17 +29,23 @@ #include <asm/cpm_85xx.h> #include <pci.h> + #if defined(CONFIG_PCI) + + /* * Initialize PCI Devices, report devices found. */ + #ifndef CONFIG_PCI_PNP static struct pci_config_table pci_mpc85xxads_config_table[] = { - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_IDSEL_NUMBER, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, - { } + {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_IDSEL_NUMBER, PCI_ANY_ID, + pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER}}, + {} }; #endif @@ -48,60 +55,61 @@ struct pci_controller local_hose = { #endif }; -void pci_init_board(void) + +void pci_init_board (void) { - struct pci_controller* hose = (struct pci_controller *)&local_hose; - volatile immap_t *immap = (immap_t *)CFG_CCSRBAR; - volatile ccsr_pcix_t *pcix = &immap->im_pcix; + struct pci_controller *hose = (struct pci_controller *) &local_hose; + volatile immap_t *immap = (immap_t *) CFG_CCSRBAR; + volatile ccsr_pcix_t *pcix = &immap->im_pcix; - u16 reg16; + u16 reg16; - hose->first_busno = 0; - hose->last_busno = 0xff; + hose->first_busno = 0; + hose->last_busno = 0xff; - pci_set_region(hose->regions + 0, - CFG_PCI_MEM_BASE, - CFG_PCI_MEM_PHYS, - (CFG_PCI_MEM_SIZE/2), - PCI_REGION_MEM); + pci_set_region (hose->regions + 0, + CFG_PCI1_MEM_BASE, + CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_SIZE, PCI_REGION_MEM); - pci_set_region(hose->regions + 1, - (CFG_PCI_MEM_BASE+0x08000000), - (CFG_PCI_MEM_PHYS+0x08000000), - 0x1000000, /* 16M */ - PCI_REGION_IO); + pci_set_region (hose->regions + 1, + CFG_PCI1_IO_BASE, + CFG_PCI1_IO_PHYS, CFG_PCI1_IO_SIZE, PCI_REGION_IO); - hose->region_count = 2; + hose->region_count = 2; - pci_setup_indirect(hose, - (CFG_IMMR+0x8000), - (CFG_IMMR+0x8004)); + pci_setup_indirect (hose, (CFG_IMMR + 0x8000), (CFG_IMMR + 0x8004)); - pci_register_hose(hose); + pci_read_config_word (PCI_BDF (0, 0, 0), PCI_COMMAND, ®16); + reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_write_config_word (PCI_BDF (0, 0, 0), PCI_COMMAND, reg16); - hose->last_busno = pci_hose_scan(hose); + /* + * Clear non-reserved bits in status register. + */ + pci_write_config_word (PCI_BDF (0, 0, 0), PCI_STATUS, 0xffff); + pci_write_config_byte (PCI_BDF (0, 0, 0), PCI_LATENCY_TIMER, 0x80); - pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16); - reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16); + pcix->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff; + pcix->potear1 = 0x00000000; + pcix->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff; + pcix->powbear1 = 0x00000000; + pcix->powar1 = 0x8004401c; /* 512M MEM space */ - /* Clear non-reserved bits in status register */ - pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff); - pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80); + pcix->potar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff; + pcix->potear2 = 0x00000000; + pcix->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff; + pcix->powbear2 = 0x00000000; + pcix->powar2 = 0x80088017; /* 16M IO space */ - pcix->potar1 = (CFG_PCI_MEM_BASE >> 12) & 0x000fffff; - pcix->potear1 = 0x00000000; - pcix->powbar1 = (CFG_PCI_MEM_BASE >> 12) & 0x000fffff; - pcix->powbear1 = 0x00000000; - pcix->powar1 = 0x8004401a; /* 128M MEM space */ - pcix->potar2 = ((CFG_PCI_MEM_BASE + 0x08000000) >> 12) & 0x000fffff; - pcix->potear2 = 0x00000000; - pcix->powbar2 = ((CFG_PCI_MEM_BASE + 0x08000000) >> 12) && 0x000fffff; - pcix->powbear2 = 0x00000000; - pcix->powar2 = 0x80088017; /* 16M IO space */ - pcix->pitar1 = 0x00000000; - pcix->piwbar1 = 0x00000000; - pcix->piwar1 = 0xa0F5501f; + pcix->pitar1 = 0x00000000; + pcix->piwbar1 = 0x00000000; + pcix->piwar1 = 0xa0F5501f; + /* + * Hose scan. + */ + pci_register_hose (hose); + hose->last_busno = pci_hose_scan (hose); } + #endif /* CONFIG_PCI */ |