diff options
Diffstat (limited to 'board/netstal/hcu5/hcu5.c')
| -rw-r--r-- | board/netstal/hcu5/hcu5.c | 114 |
1 files changed, 6 insertions, 108 deletions
diff --git a/board/netstal/hcu5/hcu5.c b/board/netstal/hcu5/hcu5.c index 946c3f3..c545cc0 100644 --- a/board/netstal/hcu5/hcu5.c +++ b/board/netstal/hcu5/hcu5.c @@ -22,6 +22,8 @@ #include <asm/processor.h> #include <ppc440.h> #include <asm/io.h> +#include <asm/4xx_pci.h> + #include "../common/nm.h" DECLARE_GLOBAL_DATA_PTR; @@ -377,121 +379,17 @@ int pci_pre_init(struct pci_controller *hose) } /* - * 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. - * - */ -void pci_target_init(struct pci_controller *hose) -{ - if (!board_with_pci()) { return; } - /* - * Set up Direct MMIO registers - * - * PowerPC440EPX PCI Master configuration. - * Map one 1Gig range of PLB/processor addresses to PCI memory space. - * PLB address 0xA0000000-0xDFFFFFFF ==> PCI address - * 0xA0000000-0xDFFFFFFF - * Use byte reversed out routines to handle endianess. - * Make this region non-prefetchable. - */ - /* PMM0 Mask/Attribute - disabled b4 setting */ - out32r(PCIL0_PMM0MA, 0x00000000); - out32r(PCIL0_PMM0LA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 Local Address */ - /* PMM0 PCI Low Address */ - out32r(PCIL0_PMM0PCILA, CONFIG_SYS_PCI_MEMBASE); - out32r(PCIL0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */ - /* 512M + No prefetching, and enable region */ - out32r(PCIL0_PMM0MA, 0xE0000001); - - /* PMM0 Mask/Attribute - disabled b4 setting */ - out32r(PCIL0_PMM1MA, 0x00000000); - out32r(PCIL0_PMM1LA, CONFIG_SYS_PCI_MEMBASE2); /* PMM0 Local Address */ - /* PMM0 PCI Low Address */ - out32r(PCIL0_PMM1PCILA, CONFIG_SYS_PCI_MEMBASE2); - out32r(PCIL0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */ - /* 512M + No prefetching, and enable region */ - out32r(PCIL0_PMM1MA, 0xE0000001); - - out32r(PCIL0_PTM1MS, 0x00000001); /* Memory Size/Attribute */ - out32r(PCIL0_PTM1LA, 0); /* Local Addr. Reg */ - out32r(PCIL0_PTM2MS, 0); /* Memory Size/Attribute */ - out32r(PCIL0_PTM2LA, 0); /* Local Addr. Reg */ - - /* - * Set up Configuration registers - */ - - /* Program the board's subsystem id/vendor id */ - pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID, - CONFIG_SYS_PCI_SUBSYS_VENDORID); - pci_write_config_word(0, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_ID); - - /* Configure command register as bus master */ - pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER); - - /* 240nS PCI clock */ - pci_write_config_word(0, PCI_LATENCY_TIMER, 1); - - /* No error reporting */ - pci_write_config_word(0, PCI_ERREN, 0); - - pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101); -} - -/* - * pci_master_init - * + * Override weak default pci_master_init() */ void pci_master_init(struct pci_controller *hose) { - unsigned short temp_short; - if (!board_with_pci()) { return; } - - /*--------------------------------------------------------------- - * Write the PowerPC440 EP PCI Configuration regs. - * Enable PowerPC440 EP to be a master on the PCI bus (PMM). - * Enable PowerPC440 EP to act as a PCI memory target (PTM). - *--------------------------------------------------------------*/ - pci_read_config_word(0, PCI_COMMAND, &temp_short); - pci_write_config_word(0, PCI_COMMAND, - temp_short | PCI_COMMAND_MASTER | - PCI_COMMAND_MEMORY); -} + if (!board_with_pci()) + return; -/* - * 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) -{ - return 1; + __pci_master_init(hose); } #endif /* defined(CONFIG_PCI) */ -#if defined(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 0; /* No hotkeys supported */ -} -#endif /* CONFIG_POST */ - #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) void ft_board_setup(void *blob, bd_t *bd) { |