}
/*
+ * Override weak 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.
* (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)
{
return 0;
#if defined(CONFIG_SYS_PCI_FORCE_PCI_CONV)
- /* Setup System Device Register PCIX0_XCR */
+ /* Setup System Device Register PCIL0_XCR */
mfsdr(SDR0_XCR, strap);
strap &= 0x0f000000;
mtsdr(SDR0_XCR, strap);
}
#endif /* defined(CONFIG_PCI) */
-#if defined(CONFIG_PCI) && defined(CONFIG_SYS_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)
-{
- /* Disable everything */
- out32r(PCIX0_PIM0SA, 0);
- out32r(PCIX0_PIM1SA, 0);
- out32r(PCIX0_PIM2SA, 0);
- out32r(PCIX0_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(PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE);
- out32r(PCIX0_PIM0LAH, 0);
- out32r(PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1);
-
- out32r(PCIX0_BAR0, 0);
-
- /* Program the board's subsystem id/vendor id */
- out16r(PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID);
- out16r(PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
-
- out16r(PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY);
-}
-#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
-
#if defined(CONFIG_PCI)
/*
+ * Override weak 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