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Commit | Line | Data |
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91e25769 PG |
1 | /* |
2 | * pci.c -- WindRiver SBC8349 PCI board support. | |
3 | * Copyright (c) 2006 Wind River Systems, Inc. | |
9993e196 | 4 | * Copyright (C) 2006-2009 Freescale Semiconductor, Inc. |
91e25769 PG |
5 | * |
6 | * Based on MPC8349 PCI support but w/o PIB related code. | |
7 | * | |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
91e25769 PG |
9 | */ |
10 | ||
11 | #include <asm/mmu.h> | |
9993e196 | 12 | #include <asm/io.h> |
91e25769 | 13 | #include <common.h> |
9993e196 | 14 | #include <mpc83xx.h> |
91e25769 | 15 | #include <pci.h> |
91e25769 | 16 | #include <i2c.h> |
9993e196 | 17 | #include <asm/fsl_i2c.h> |
91e25769 PG |
18 | |
19 | DECLARE_GLOBAL_DATA_PTR; | |
20 | ||
9993e196 KP |
21 | static struct pci_region pci1_regions[] = { |
22 | { | |
23 | bus_start: CONFIG_SYS_PCI1_MEM_BASE, | |
24 | phys_start: CONFIG_SYS_PCI1_MEM_PHYS, | |
25 | size: CONFIG_SYS_PCI1_MEM_SIZE, | |
26 | flags: PCI_REGION_MEM | PCI_REGION_PREFETCH | |
27 | }, | |
28 | { | |
29 | bus_start: CONFIG_SYS_PCI1_IO_BASE, | |
30 | phys_start: CONFIG_SYS_PCI1_IO_PHYS, | |
31 | size: CONFIG_SYS_PCI1_IO_SIZE, | |
32 | flags: PCI_REGION_IO | |
33 | }, | |
34 | { | |
35 | bus_start: CONFIG_SYS_PCI1_MMIO_BASE, | |
36 | phys_start: CONFIG_SYS_PCI1_MMIO_PHYS, | |
37 | size: CONFIG_SYS_PCI1_MMIO_SIZE, | |
38 | flags: PCI_REGION_MEM | |
91e25769 | 39 | }, |
91e25769 PG |
40 | }; |
41 | ||
9993e196 | 42 | /* |
91e25769 PG |
43 | * pci_init_board() |
44 | * | |
45 | * NOTICE: PCI2 is not supported. There is only one | |
46 | * physical PCI slot on the board. | |
47 | * | |
48 | */ | |
49 | void | |
50 | pci_init_board(void) | |
51 | { | |
9993e196 KP |
52 | volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; |
53 | volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; | |
54 | volatile law83xx_t *pci_law = immr->sysconf.pcilaw; | |
55 | struct pci_region *reg[] = { pci1_regions }; | |
91e25769 | 56 | |
9993e196 | 57 | /* Enable all 8 PCI_CLK_OUTPUTS */ |
91e25769 PG |
58 | clk->occr = 0xff000000; |
59 | udelay(2000); | |
60 | ||
9993e196 | 61 | /* Configure PCI Local Access Windows */ |
6d0f6bcf | 62 | pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR; |
91e25769 PG |
63 | pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G; |
64 | ||
6d0f6bcf | 65 | pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR; |
91e25769 PG |
66 | pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M; |
67 | ||
9993e196 | 68 | udelay(2000); |
5b8bc606 | 69 | |
6aa3d3bf | 70 | mpc83xx_pci_init(1, reg); |
5b8bc606 | 71 | } |