projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a2334a4 YG |
1 | /* |
| 2 | * SH4 PCI Controller (PCIC) for U-Boot. | |
| 3 | * (C) Dustin McIntire (dustin@sensoria.com) | |
| ab8f4d40 | 4 | * (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
| 1a2334a4 YG |
5 | * (C) 2008 Yusuke Goda <goda.yusuke@renesas.com> |
| 6 | * | |
| 8f0fec74 | 7 | * u-boot/arch/sh/cpu/sh4/pci-sh4.c |
| 1a2334a4 | 8 | * |
| 1a459660 | 9 | * SPDX-License-Identifier: GPL-2.0+ |
| 1a2334a4 YG |
10 | */ |
| 11 | ||
| 12 | #include <common.h> | |
| 13 | ||
| 1a2334a4 YG |
14 | #include <asm/processor.h> |
| 15 | #include <asm/io.h> | |
| 16 | #include <asm/pci.h> | |
| 17 | #include <pci.h> | |
| 18 | ||
| 19 | int pci_sh4_init(struct pci_controller *hose) | |
| 20 | { | |
| 21 | hose->first_busno = 0; | |
| 22 | hose->region_count = 0; | |
| 23 | hose->last_busno = 0xff; | |
| 24 | ||
| 25 | /* PCI memory space */ | |
| 26 | pci_set_region(hose->regions + 0, | |
| 27 | CONFIG_PCI_MEM_BUS, | |
| 28 | CONFIG_PCI_MEM_PHYS, | |
| 29 | CONFIG_PCI_MEM_SIZE, | |
| 30 | PCI_REGION_MEM); | |
| 31 | hose->region_count++; | |
| 32 | ||
| 33 | /* PCI IO space */ | |
| 34 | pci_set_region(hose->regions + 1, | |
| 35 | CONFIG_PCI_IO_BUS, | |
| 36 | CONFIG_PCI_IO_PHYS, | |
| 37 | CONFIG_PCI_IO_SIZE, | |
| 38 | PCI_REGION_IO); | |
| 39 | hose->region_count++; | |
| 40 | ||
| 06e2735e YS |
41 | #if defined(CONFIG_PCI_SYS_BUS) |
| 42 | /* PCI System Memory space */ | |
| 43 | pci_set_region(hose->regions + 2, | |
| 44 | CONFIG_PCI_SYS_BUS, | |
| 45 | CONFIG_PCI_SYS_PHYS, | |
| 46 | CONFIG_PCI_SYS_SIZE, | |
| 47 | PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); | |
| 48 | hose->region_count++; | |
| 49 | #endif | |
| 50 | ||
| 1a2334a4 YG |
51 | udelay(1000); |
| 52 | ||
| 53 | pci_set_ops(hose, | |
| 54 | pci_hose_read_config_byte_via_dword, | |
| 55 | pci_hose_read_config_word_via_dword, | |
| 56 | pci_sh4_read_config_dword, | |
| 57 | pci_hose_write_config_byte_via_dword, | |
| 58 | pci_hose_write_config_word_via_dword, | |
| 59 | pci_sh4_write_config_dword); | |
| 60 | ||
| 61 | pci_register_hose(hose); | |
| 62 | ||
| 63 | udelay(1000); | |
| 64 | ||
| 65 | #ifdef CONFIG_PCI_SCAN_SHOW | |
| 66 | printf("PCI: Bus Dev VenId DevId Class Int\n"); | |
| 67 | #endif | |
| 68 | hose->last_busno = pci_hose_scan(hose); | |
| 69 | return 0; | |
| 70 | } | |
| d85f46a2 NI |
71 | |
| 72 | int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) | |
| 73 | { | |
| 74 | return 0; | |
| 75 | } | |
| 76 | ||
| 77 | #ifdef CONFIG_PCI_SCAN_SHOW | |
| 78 | int pci_print_dev(struct pci_controller *hose, pci_dev_t dev) | |
| 79 | { | |
| 80 | return 1; | |
| 81 | } | |
| 82 | #endif /* CONFIG_PCI_SCAN_SHOW */ |