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> 36 #include <libfdt.h> 37 #include <fdt_support.h> 38 39 DECLARE_GLOBAL_DATA_PTR; 40 41 extern flash_info_t flash_info[]; /* FLASH chips info */ 42 43 void local_bus_init (void); 44 ulong flash_get_size (ulong base, int banknum); 45 46 int checkboard (void) 47 { 48 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); 49 char *src; 50 int f; 51 char *s = getenv("serial#"); 52 53 puts("Board: Socrates"); 54 if (s != NULL) { 55 puts(", serial# "); 56 puts(s); 57 } 58 putc('\n'); 59 60 #ifdef CONFIG_PCI 61 if (gur->porpllsr & (1<<15)) { 62 src = "SYSCLK"; 63 f = CONFIG_SYS_CLK_FREQ; 64 } else { 65 src = "PCI_CLK"; 66 f = CONFIG_PCI_CLK_FREQ; 67 } 68 printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src); 69 #else 70 printf ("PCI1: disabled\n"); 71 #endif 72 73 /* 74 * Initialize local bus. 75 */ 76 local_bus_init (); 77 78 return 0; 79 } 80 81 int misc_init_r (void) 82 { 83 volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR); 84 85 /* 86 * Adjust flash start and offset to detected values 87 */ 88 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; 89 gd->bd->bi_flashoffset = 0; 90 91 /* 92 * Check if boot FLASH isn't max size 93 */ 94 if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) { 95 memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff); 96 memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff); 97 98 /* 99 * Re-check to get correct base address 100 */ 101 flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1); 102 } 103 104 /* 105 * Check if only one FLASH bank is available 106 */ 107 if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) { 108 memctl->or1 = 0; 109 memctl->br1 = 0; 110 111 /* 112 * Re-do flash protection upon new addresses 113 */ 114 flash_protect (FLAG_PROTECT_CLEAR, 115 gd->bd->bi_flashstart, 0xffffffff, 116 &flash_info[CFG_MAX_FLASH_BANKS - 1]); 117 118 /* Monitor protection ON by default */ 119 flash_protect (FLAG_PROTECT_SET, 120 CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1, 121 &flash_info[CFG_MAX_FLASH_BANKS - 1]); 122 123 /* Environment protection ON by default */ 124 flash_protect (FLAG_PROTECT_SET, 125 CFG_ENV_ADDR, 126 CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, 127 &flash_info[CFG_MAX_FLASH_BANKS - 1]); 128 129 /* Redundant environment protection ON by default */ 130 flash_protect (FLAG_PROTECT_SET, 131 CFG_ENV_ADDR_REDUND, 132 CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1, 133 &flash_info[CFG_MAX_FLASH_BANKS - 1]); 134 } 135 136 return 0; 137 } 138 139 /* 140 * Initialize Local Bus 141 */ 142 void local_bus_init (void) 143 { 144 145 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); 146 volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR); 147 148 lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */ 149 lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */ 150 ecm->eedr = 0xffffffff; /* Clear ecm errors */ 151 ecm->eeer = 0xffffffff; /* Enable ecm errors */ 152 153 } 154 155 #if defined(CONFIG_PCI) 156 /* 157 * Initialize PCI Devices, report devices found. 158 */ 159 160 #ifndef CONFIG_PCI_PNP 161 static struct pci_config_table pci_mpc85xxads_config_table[] = { 162 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 163 PCI_IDSEL_NUMBER, PCI_ANY_ID, 164 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, 165 PCI_ENET0_MEMADDR, 166 PCI_COMMAND_MEMORY | 167 PCI_COMMAND_MASTER}}, 168 {} 169 }; 170 #endif 171 172 173 static struct pci_controller hose = { 174 #ifndef CONFIG_PCI_PNP 175 config_table:pci_mpc85xxads_config_table, 176 #endif 177 }; 178 179 #endif /* CONFIG_PCI */ 180 181 182 void pci_init_board (void) 183 { 184 #ifdef CONFIG_PCI 185 pci_mpc85xx_init (&hose); 186 #endif /* CONFIG_PCI */ 187 } 188 189 #ifdef CONFIG_BOARD_EARLY_INIT_R 190 int board_early_init_r (void) 191 { 192 #ifdef CONFIG_PS2MULT 193 ps2mult_early_init(); 194 #endif /* CONFIG_PS2MULT */ 195 return (0); 196 } 197 #endif /* CONFIG_BOARD_EARLY_INIT_R */ 198 199 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) 200 void 201 ft_board_setup(void *blob, bd_t *bd) 202 { 203 u32 val[4]; 204 int rc; 205 206 ft_cpu_setup(blob, bd); 207 208 /* Fixup NOR mapping */ 209 val[0] = 0; /* chip select number */ 210 val[1] = 0; /* always 0 */ 211 val[2] = gd->bd->bi_flashstart; 212 val[3] = gd->bd->bi_flashsize; 213 214 rc = fdt_find_and_setprop(blob, "/localbus", "ranges", 215 val, sizeof(val), 1); 216 if (rc) 217 printf("Unable to update property NOR mapping, err=%s\n", 218 fdt_strerror(rc)); 219 } 220 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ 221