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 #include <vsc7385.h>
32 #include <ns16550.h>
33 #include <nand.h>
34 
35 DECLARE_GLOBAL_DATA_PTR;
36 
37 int board_early_init_f(void)
38 {
39 #ifndef CONFIG_SYS_8313ERDB_BROKEN_PMC
40 	volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
41 
42 	if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
43 		gd->flags |= GD_FLG_SILENT;
44 #endif
45 
46 	return 0;
47 }
48 
49 int checkboard(void)
50 {
51 	puts("Board: Freescale MPC8313ERDB\n");
52 	return 0;
53 }
54 
55 #ifndef CONFIG_NAND_SPL
56 static struct pci_region pci_regions[] = {
57 	{
58 		bus_start: CONFIG_SYS_PCI1_MEM_BASE,
59 		phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
60 		size: CONFIG_SYS_PCI1_MEM_SIZE,
61 		flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
62 	},
63 	{
64 		bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
65 		phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
66 		size: CONFIG_SYS_PCI1_MMIO_SIZE,
67 		flags: PCI_REGION_MEM
68 	},
69 	{
70 		bus_start: CONFIG_SYS_PCI1_IO_BASE,
71 		phys_start: CONFIG_SYS_PCI1_IO_PHYS,
72 		size: CONFIG_SYS_PCI1_IO_SIZE,
73 		flags: PCI_REGION_IO
74 	}
75 };
76 
77 void pci_init_board(void)
78 {
79 	volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
80 	volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
81 	volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
82 	struct pci_region *reg[] = { pci_regions };
83 	int warmboot;
84 
85 	/* Enable all 3 PCI_CLK_OUTPUTs. */
86 	clk->occr |= 0xe0000000;
87 
88 	/*
89 	 * Configure PCI Local Access Windows
90 	 */
91 	pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
92 	pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
93 
94 	pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
95 	pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
96 
97 	warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
98 #ifndef CONFIG_SYS_8313ERDB_BROKEN_PMC
99 	warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF;
100 #endif
101 
102 	mpc83xx_pci_init(1, reg, warmboot);
103 }
104 
105 /*
106  * Miscellaneous late-boot configurations
107  *
108  * If a VSC7385 microcode image is present, then upload it.
109 */
110 int misc_init_r(void)
111 {
112 	int rc = 0;
113 
114 #ifdef CONFIG_VSC7385_IMAGE
115 	if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
116 		CONFIG_VSC7385_IMAGE_SIZE)) {
117 		puts("Failure uploading VSC7385 microcode.\n");
118 		rc = 1;
119 	}
120 #endif
121 
122 	return rc;
123 }
124 
125 #if defined(CONFIG_OF_BOARD_SETUP)
126 void ft_board_setup(void *blob, bd_t *bd)
127 {
128 	ft_cpu_setup(blob, bd);
129 #ifdef CONFIG_PCI
130 	ft_pci_setup(blob, bd);
131 #endif
132 }
133 #endif
134 #else /* CONFIG_NAND_SPL */
135 void board_init_f(ulong bootflag)
136 {
137 	board_early_init_f();
138 	NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500),
139 	             CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
140 	puts("NAND boot... ");
141 	init_timebase();
142 	initdram(0);
143 	relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC + 0x10000, (gd_t *)gd,
144 	              CONFIG_SYS_NAND_U_BOOT_RELOC);
145 }
146 
147 void board_init_r(gd_t *gd, ulong dest_addr)
148 {
149 	nand_boot();
150 }
151 
152 void putc(char c)
153 {
154 	if (gd->flags & GD_FLG_SILENT)
155 		return;
156 
157 	if (c == '\n')
158 		NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r');
159 
160 	NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c);
161 }
162 #endif
163