1 /*
2  * Copyright (C) Freescale Semiconductor, Inc. 2006-2007
3  *
4  * Author: Scott Wood <scottwood@freescale.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #include <common.h>
26 #if defined(CONFIG_OF_LIBFDT)
27 #include <libfdt.h>
28 #endif
29 #include <pci.h>
30 #include <mpc83xx.h>
31 
32 DECLARE_GLOBAL_DATA_PTR;
33 
34 int board_early_init_f(void)
35 {
36 #ifndef CFG_8313ERDB_BROKEN_PMC
37 	volatile immap_t *im = (immap_t *)CFG_IMMR;
38 
39 	if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
40 		gd->flags |= GD_FLG_SILENT;
41 #endif
42 
43 	return 0;
44 }
45 
46 int checkboard(void)
47 {
48 	puts("Board: Freescale MPC8313ERDB\n");
49 	return 0;
50 }
51 
52 static struct pci_region pci_regions[] = {
53 	{
54 		bus_start: CFG_PCI1_MEM_BASE,
55 		phys_start: CFG_PCI1_MEM_PHYS,
56 		size: CFG_PCI1_MEM_SIZE,
57 		flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
58 	},
59 	{
60 		bus_start: CFG_PCI1_MMIO_BASE,
61 		phys_start: CFG_PCI1_MMIO_PHYS,
62 		size: CFG_PCI1_MMIO_SIZE,
63 		flags: PCI_REGION_MEM
64 	},
65 	{
66 		bus_start: CFG_PCI1_IO_BASE,
67 		phys_start: CFG_PCI1_IO_PHYS,
68 		size: CFG_PCI1_IO_SIZE,
69 		flags: PCI_REGION_IO
70 	}
71 };
72 
73 void pci_init_board(void)
74 {
75 	volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
76 	volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
77 	volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
78 	struct pci_region *reg[] = { pci_regions };
79 	int warmboot;
80 
81 	/* Enable all 3 PCI_CLK_OUTPUTs. */
82 	clk->occr |= 0xe0000000;
83 
84 	/*
85 	 * Configure PCI Local Access Windows
86 	 */
87 	pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
88 	pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
89 
90 	pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
91 	pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
92 
93 	warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
94 #ifndef CFG_8313ERDB_BROKEN_PMC
95 	warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF;
96 #endif
97 
98 	mpc83xx_pci_init(1, reg, warmboot);
99 }
100 
101 #if defined(CONFIG_OF_BOARD_SETUP)
102 void ft_board_setup(void *blob, bd_t *bd)
103 {
104 	ft_cpu_setup(blob, bd);
105 #ifdef CONFIG_PCI
106 	ft_pci_setup(blob, bd);
107 #endif
108 }
109 #endif
110