3 * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
5 * Copyright 2004 Freescale Semiconductor.
6 * (C) Copyright 2002,2003, Motorola Inc.
7 * Xianghua Xiao, (X.Xiao@motorola.com)
9 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
11 * See file CREDITS for list of people who contributed to this
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.
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.
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,
32 #include <asm/processor.h>
33 #include <asm/immap_85xx.h>
37 #include <fdt_support.h>
40 DECLARE_GLOBAL_DATA_PTR;
42 extern flash_info_t flash_info[]; /* FLASH chips info */
44 void local_bus_init (void);
45 ulong flash_get_size (ulong base, int banknum);
49 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
52 char *s = getenv("serial#");
54 puts("Board: Socrates");
62 /* Check the PCI_clk sel bit */
63 if (in_be32(&gur->porpllsr) & (1<<15)) {
65 f = CONFIG_SYS_CLK_FREQ;
68 f = CONFIG_PCI_CLK_FREQ;
70 printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src);
72 printf ("PCI1: disabled\n");
76 * Initialize local bus.
83 int misc_init_r (void)
85 volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
88 * Adjust flash start and offset to detected values
90 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
91 gd->bd->bi_flashoffset = 0;
94 * Check if boot FLASH isn't max size
96 if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) {
97 memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff);
98 memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff);
101 * Re-check to get correct base address
103 flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
107 * Check if only one FLASH bank is available
109 if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) {
114 * Re-do flash protection upon new addresses
116 flash_protect (FLAG_PROTECT_CLEAR,
117 gd->bd->bi_flashstart, 0xffffffff,
118 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
120 /* Monitor protection ON by default */
121 flash_protect (FLAG_PROTECT_SET,
122 CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1,
123 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
125 /* Environment protection ON by default */
126 flash_protect (FLAG_PROTECT_SET,
128 CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
129 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
131 /* Redundant environment protection ON by default */
132 flash_protect (FLAG_PROTECT_SET,
134 CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
135 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
142 * Initialize Local Bus
144 void local_bus_init (void)
147 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
148 volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
150 lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
151 lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
152 ecm->eedr = 0xffffffff; /* Clear ecm errors */
153 ecm->eeer = 0xffffffff; /* Enable ecm errors */
157 #if defined(CONFIG_PCI)
159 * Initialize PCI Devices, report devices found.
162 #ifndef CONFIG_PCI_PNP
163 static struct pci_config_table pci_mpc85xxads_config_table[] = {
164 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
165 PCI_IDSEL_NUMBER, PCI_ANY_ID,
166 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
169 PCI_COMMAND_MASTER}},
175 static struct pci_controller hose = {
176 #ifndef CONFIG_PCI_PNP
177 config_table:pci_mpc85xxads_config_table,
181 #endif /* CONFIG_PCI */
184 void pci_init_board (void)
187 pci_mpc85xx_init (&hose);
188 #endif /* CONFIG_PCI */
191 #ifdef CONFIG_BOARD_EARLY_INIT_R
192 int board_early_init_r (void)
194 #ifdef CONFIG_PS2MULT
195 ps2mult_early_init();
196 #endif /* CONFIG_PS2MULT */
199 #endif /* CONFIG_BOARD_EARLY_INIT_R */
201 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
203 ft_board_setup(void *blob, bd_t *bd)
208 ft_cpu_setup(blob, bd);
210 /* Fixup NOR mapping */
211 val[0] = 0; /* chip select number */
212 val[1] = 0; /* always 0 */
213 val[2] = gd->bd->bi_flashstart;
214 val[3] = gd->bd->bi_flashsize;
216 rc = fdt_find_and_setprop(blob, "/localbus", "ranges",
217 val, sizeof(val), 1);
219 printf("Unable to update property NOR mapping, err=%s\n",
222 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */