diff options
Diffstat (limited to 'board/amcc/katmai/katmai.c')
| -rw-r--r-- | board/amcc/katmai/katmai.c | 177 |
1 files changed, 2 insertions, 175 deletions
diff --git a/board/amcc/katmai/katmai.c b/board/amcc/katmai/katmai.c index 908f1a5..54e2a39 100644 --- a/board/amcc/katmai/katmai.c +++ b/board/amcc/katmai/katmai.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2007-2008 + * (C) Copyright 2007-2009 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * See file CREDITS for list of people who contributed to this @@ -260,98 +260,8 @@ u32 ddr_clktr(u32 default_val) { return (SDRAM_CLKTR_CLKP_90_DEG_ADV); } -/************************************************************************* - * pci_pre_init - * - * This routine is called just prior to registering the hose and gives - * the board the opportunity to check things. Returning a value of zero - * indicates that things are bad & PCI initialization should be aborted. - * - * Different boards may wish to customize the pci controller structure - * (add regions, override default access routines, etc) or perform - * certain pre-initialization actions. - * - ************************************************************************/ -#if defined(CONFIG_PCI) -int pci_pre_init(struct pci_controller * hose ) -{ - unsigned long strap; - - /*-------------------------------------------------------------------+ - * The katmai board is always configured as the host & requires the - * PCI arbiter to be enabled. - *-------------------------------------------------------------------*/ - mfsdr(SDR0_SDSTP1, strap); - if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ) { - printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap); - return 0; - } - - return 1; -} -#endif /* defined(CONFIG_PCI) */ - -/************************************************************************* - * pci_target_init - * - * The bootstrap configuration provides default settings for the pci - * inbound map (PIM). But the bootstrap config choices are limited and - * may not be sufficient for a given board. - * - ************************************************************************/ -#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) -void pci_target_init(struct pci_controller * hose ) -{ - /*-------------------------------------------------------------------+ - * Disable everything - *-------------------------------------------------------------------*/ - out32r( PCIL0_PIM0SA, 0 ); /* disable */ - out32r( PCIL0_PIM1SA, 0 ); /* disable */ - out32r( PCIL0_PIM2SA, 0 ); /* disable */ - out32r( PCIL0_EROMBA, 0 ); /* disable expansion rom */ - - /*-------------------------------------------------------------------+ - * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 - * strapping options to not support sizes such as 128/256 MB. - *-------------------------------------------------------------------*/ - out32r( PCIL0_PIM0LAL, CONFIG_SYS_SDRAM_BASE ); - out32r( PCIL0_PIM0LAH, 0 ); - out32r( PCIL0_PIM0SA, ~(gd->ram_size - 1) | 1 ); - out32r( PCIL0_BAR0, 0 ); - - /*-------------------------------------------------------------------+ - * Program the board's subsystem id/vendor id - *-------------------------------------------------------------------*/ - out16r( PCIL0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID ); - out16r( PCIL0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID ); - - out16r( PCIL0_CMD, in16r(PCIL0_CMD) | PCI_COMMAND_MEMORY ); -} -#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */ - #if defined(CONFIG_PCI) -/************************************************************************* - * is_pci_host - * - * This routine is called to determine if a pci scan should be - * performed. With various hardware environments (especially cPCI and - * PPMC) it's insufficient to depend on the state of the arbiter enable - * bit in the strap register, or generic host/adapter assumptions. - * - * Rather than hard-code a bad assumption in the general 440 code, the - * 440 pci code requires the board to decide at runtime. - * - * Return 0 for adapter mode, non-zero for host (monarch) mode. - * - * - ************************************************************************/ -int is_pci_host(struct pci_controller *hose) -{ - /* The katmai board is always configured as host. */ - return 1; -} - -static int katmai_pcie_card_present(int port) +int board_pcie_card_present(int port) { u32 val; @@ -367,91 +277,8 @@ static int katmai_pcie_card_present(int port) return 0; } } - -static struct pci_controller pcie_hose[3] = {{0},{0},{0}}; - -void pcie_setup_hoses(int busno) -{ - struct pci_controller *hose; - int i, bus; - int ret = 0; - char *env; - unsigned int delay; - - /* - * assume we're called after the PCIX hose is initialized, which takes - * bus ID 0 and therefore start numbering PCIe's from 1. - */ - bus = busno; - for (i = 0; i <= 2; i++) { - /* Check for katmai card presence */ - if (!katmai_pcie_card_present(i)) - continue; - - if (is_end_point(i)) - ret = ppc4xx_init_pcie_endport(i); - else - ret = ppc4xx_init_pcie_rootport(i); - if (ret == -ENODEV) - continue; - if (ret) { - printf("PCIE%d: initialization as %s failed\n", i, - is_end_point(i) ? "endpoint" : "root-complex"); - continue; - } - - hose = &pcie_hose[i]; - hose->first_busno = bus; - hose->last_busno = bus; - hose->current_busno = bus; - - /* setup mem resource */ - pci_set_region(hose->regions + 0, - CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE, - CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE, - CONFIG_SYS_PCIE_MEMSIZE, - PCI_REGION_MEM); - hose->region_count = 1; - pci_register_hose(hose); - - if (is_end_point(i)) { - ppc4xx_setup_pcie_endpoint(hose, i); - /* - * Reson for no scanning is endpoint can not generate - * upstream configuration accesses. - */ - } else { - ppc4xx_setup_pcie_rootpoint(hose, i); - env = getenv ("pciscandelay"); - if (env != NULL) { - delay = simple_strtoul(env, NULL, 10); - if (delay > 5) - printf("Warning, expect noticable delay before " - "PCIe scan due to 'pciscandelay' value!\n"); - mdelay(delay * 1000); - } - - /* - * Config access can only go down stream - */ - hose->last_busno = pci_hose_scan(hose); - bus = hose->last_busno + 1; - } - } -} #endif /* defined(CONFIG_PCI) */ -#ifdef CONFIG_POST -/* - * Returns 1 if keys pressed to start the power-on long-running tests - * Called from board_init_f(). - */ -int post_hotkeys_pressed(void) -{ - return (ctrlc()); -} -#endif - int board_eth_init(bd_t *bis) { cpu_eth_init(bis); |