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socrates: changes to support FDT
[people/ms/u-boot.git] / board / socrates / socrates.c
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1/*
2 * (C) Copyright 2008
3 * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
4 *
5 * Copyright 2004 Freescale Semiconductor.
6 * (C) Copyright 2002,2003, Motorola Inc.
7 * Xianghua Xiao, (X.Xiao@motorola.com)
8 *
9 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
10 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 */
29
30#include <common.h>
31#include <pci.h>
32#include <asm/processor.h>
33#include <asm/immap_85xx.h>
34#include <ioports.h>
35#include <flash.h>
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36#include <libfdt.h>
37#include <fdt_support.h>
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38
39DECLARE_GLOBAL_DATA_PTR;
40
41extern flash_info_t flash_info[]; /* FLASH chips info */
42
43void local_bus_init (void);
44ulong flash_get_size (ulong base, int banknum);
45
46int checkboard (void)
47{
48 char *s = getenv("serial#");
49
50 puts("Board: Socrates");
51 if (s != NULL) {
52 puts(", serial# ");
53 puts(s);
54 }
55 putc('\n');
56
57#ifdef CONFIG_PCI
58 printf ("PCI1: 32 bit, %d MHz (compiled)\n",
59 CONFIG_SYS_CLK_FREQ / 1000000);
60#else
61 printf ("PCI1: disabled\n");
62#endif
63
64 /*
65 * Initialize local bus.
66 */
67 local_bus_init ();
68
69 return 0;
70}
71
72int misc_init_r (void)
73{
74 volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
75
76 /*
77 * Adjust flash start and offset to detected values
78 */
79 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
80 gd->bd->bi_flashoffset = 0;
81
82 /*
83 * Check if boot FLASH isn't max size
84 */
85 if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) {
86 memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff);
87 memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff);
88
89 /*
90 * Re-check to get correct base address
91 */
92 flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
93 }
94
95 /*
96 * Check if only one FLASH bank is available
97 */
98 if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) {
99 memctl->or1 = 0;
100 memctl->br1 = 0;
101
102 /*
103 * Re-do flash protection upon new addresses
104 */
105 flash_protect (FLAG_PROTECT_CLEAR,
106 gd->bd->bi_flashstart, 0xffffffff,
107 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
108
109 /* Monitor protection ON by default */
110 flash_protect (FLAG_PROTECT_SET,
111 CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1,
112 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
113
114 /* Environment protection ON by default */
115 flash_protect (FLAG_PROTECT_SET,
116 CFG_ENV_ADDR,
117 CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
118 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
119
120 /* Redundant environment protection ON by default */
121 flash_protect (FLAG_PROTECT_SET,
122 CFG_ENV_ADDR_REDUND,
123 CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
124 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
125 }
126
127 return 0;
128}
129
130/*
131 * Initialize Local Bus
132 */
133void local_bus_init (void)
134{
135
136 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
137 volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
138
139 lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
140 lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
141 ecm->eedr = 0xffffffff; /* Clear ecm errors */
142 ecm->eeer = 0xffffffff; /* Enable ecm errors */
143
144}
145
146#if defined(CONFIG_PCI)
147/*
148 * Initialize PCI Devices, report devices found.
149 */
150
151#ifndef CONFIG_PCI_PNP
152static struct pci_config_table pci_mpc85xxads_config_table[] = {
153 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
154 PCI_IDSEL_NUMBER, PCI_ANY_ID,
155 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
156 PCI_ENET0_MEMADDR,
157 PCI_COMMAND_MEMORY |
158 PCI_COMMAND_MASTER}},
159 {}
160};
161#endif
162
163
164static struct pci_controller hose = {
165#ifndef CONFIG_PCI_PNP
166 config_table:pci_mpc85xxads_config_table,
167#endif
168};
169
170#endif /* CONFIG_PCI */
171
172
173void pci_init_board (void)
174{
175#ifdef CONFIG_PCI
176 pci_mpc85xx_init (&hose);
177#endif /* CONFIG_PCI */
178}
179
180#ifdef CONFIG_BOARD_EARLY_INIT_R
181int board_early_init_r (void)
182{
183#ifdef CONFIG_PS2MULT
184 ps2mult_early_init();
185#endif /* CONFIG_PS2MULT */
186 return (0);
187}
188#endif /* CONFIG_BOARD_EARLY_INIT_R */
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189
190#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
191void
192ft_board_setup(void *blob, bd_t *bd)
193{
194 u32 val[4];
195 int rc;
196
197 ft_cpu_setup(blob, bd);
198
199 /* Fixup NOR mapping */
200 val[0] = 0; /* chip select number */
201 val[1] = 0; /* always 0 */
202 val[2] = gd->bd->bi_flashstart;
203 val[3] = gd->bd->bi_flashsize;
204
205 rc = fdt_find_and_setprop(blob, "/localbus", "ranges",
206 val, sizeof(val), 1);
207 if (rc)
208 printf("Unable to update property NOR mapping, err=%s\n",
209 fdt_strerror(rc));
210}
211#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */