armltd/integrator/pci.c

3  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
21  * SPDX-License-Identifier:	GPL-2.0+
26 #include "integrator-sc.h"
34  * where we read and write stuff - you don't want to try to
47  * range that devices actually use - what would they be doing at
107 		 * Linux calls the thing U-Boot calls "DEV" "SLOT"  in v3_open_config_window()
115 		 * build the PCI configuration "address" with one-hot in  in v3_open_config_window()
116 		 * A31-A11  in v3_open_config_window()
129 			mapaddress |= 1 << (slot - 5);  in v3_open_config_window()
154 	 * prefetchable), this frees up base1 for re-use by  in v3_open_config_window()
173 	 * Reassign base1 for use by prefetchable PCI memory  in v3_close_config_window()
360 	 * Map first 256Mbytes as non-prefetchable via BASE0/MAP0  in pci_init_board()
367 	/* Map second 256 Mbytes as prefetchable via BASE1/MAP1 */  in pci_init_board()
413 	hose->first_busno = 0;  in pci_init_board()
414 	hose->last_busno = 0xff;  in pci_init_board()
416 	/* System memory space, window 0 256 MB non-prefetchable */  in pci_init_board()
417 	pci_set_region(hose->regions + 0,  in pci_init_board()
422 	/* System memory space, window 1 256 MB prefetchable */  in pci_init_board()
423 	pci_set_region(hose->regions + 1,  in pci_init_board()
430 	pci_set_region(hose->regions + 2,  in pci_init_board()
434 	/* PCI Memory - config space */  in pci_init_board()
435 	pci_set_region(hose->regions + 3,  in pci_init_board()
439 	pci_set_region(hose->regions + 4,  in pci_init_board()
443 	hose->region_count = 5;  in pci_init_board()
458 	hose->last_busno = pci_hose_scan(hose);  in pci_init_board()