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 #include <asm/io.h> 39 40 #if defined(CFG_FPGA_BASE) 41 #include "upm_table.h" 42 #endif 43 DECLARE_GLOBAL_DATA_PTR; 44 45 extern flash_info_t flash_info[]; /* FLASH chips info */ 46 47 void local_bus_init (void); 48 ulong flash_get_size (ulong base, int banknum); 49 50 int checkboard (void) 51 { 52 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); 53 char *src; 54 int f; 55 char *s = getenv("serial#"); 56 57 puts("Board: Socrates"); 58 if (s != NULL) { 59 puts(", serial# "); 60 puts(s); 61 } 62 putc('\n'); 63 64 #ifdef CONFIG_PCI 65 /* Check the PCI_clk sel bit */ 66 if (in_be32(&gur->porpllsr) & (1<<15)) { 67 src = "SYSCLK"; 68 f = CONFIG_SYS_CLK_FREQ; 69 } else { 70 src = "PCI_CLK"; 71 f = CONFIG_PCI_CLK_FREQ; 72 } 73 printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src); 74 #else 75 printf ("PCI1: disabled\n"); 76 #endif 77 78 /* 79 * Initialize local bus. 80 */ 81 local_bus_init (); 82 #if defined(CFG_FPGA_BASE) 83 /* Init UPMA for FPGA access */ 84 upmconfig(UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int)); 85 #endif 86 return 0; 87 } 88 89 int misc_init_r (void) 90 { 91 volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR); 92 93 /* 94 * Adjust flash start and offset to detected values 95 */ 96 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; 97 gd->bd->bi_flashoffset = 0; 98 99 /* 100 * Check if boot FLASH isn't max size 101 */ 102 if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) { 103 memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff); 104 memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff); 105 106 /* 107 * Re-check to get correct base address 108 */ 109 flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1); 110 } 111 112 /* 113 * Check if only one FLASH bank is available 114 */ 115 if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) { 116 memctl->or1 = 0; 117 memctl->br1 = 0; 118 119 /* 120 * Re-do flash protection upon new addresses 121 */ 122 flash_protect (FLAG_PROTECT_CLEAR, 123 gd->bd->bi_flashstart, 0xffffffff, 124 &flash_info[CFG_MAX_FLASH_BANKS - 1]); 125 126 /* Monitor protection ON by default */ 127 flash_protect (FLAG_PROTECT_SET, 128 CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1, 129 &flash_info[CFG_MAX_FLASH_BANKS - 1]); 130 131 /* Environment protection ON by default */ 132 flash_protect (FLAG_PROTECT_SET, 133 CFG_ENV_ADDR, 134 CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, 135 &flash_info[CFG_MAX_FLASH_BANKS - 1]); 136 137 /* Redundant environment protection ON by default */ 138 flash_protect (FLAG_PROTECT_SET, 139 CFG_ENV_ADDR_REDUND, 140 CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1, 141 &flash_info[CFG_MAX_FLASH_BANKS - 1]); 142 } 143 144 return 0; 145 } 146 147 /* 148 * Initialize Local Bus 149 */ 150 void local_bus_init (void) 151 { 152 153 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); 154 volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR); 155 156 lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */ 157 lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */ 158 ecm->eedr = 0xffffffff; /* Clear ecm errors */ 159 ecm->eeer = 0xffffffff; /* Enable ecm errors */ 160 161 } 162 163 #if defined(CONFIG_PCI) 164 /* 165 * Initialize PCI Devices, report devices found. 166 */ 167 168 #ifndef CONFIG_PCI_PNP 169 static struct pci_config_table pci_mpc85xxads_config_table[] = { 170 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 171 PCI_IDSEL_NUMBER, PCI_ANY_ID, 172 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, 173 PCI_ENET0_MEMADDR, 174 PCI_COMMAND_MEMORY | 175 PCI_COMMAND_MASTER}}, 176 {} 177 }; 178 #endif 179 180 181 static struct pci_controller hose = { 182 #ifndef CONFIG_PCI_PNP 183 config_table:pci_mpc85xxads_config_table, 184 #endif 185 }; 186 187 #endif /* CONFIG_PCI */ 188 189 190 void pci_init_board (void) 191 { 192 #ifdef CONFIG_PCI 193 pci_mpc85xx_init (&hose); 194 #endif /* CONFIG_PCI */ 195 } 196 197 #ifdef CONFIG_BOARD_EARLY_INIT_R 198 int board_early_init_r (void) 199 { 200 #ifdef CONFIG_PS2MULT 201 ps2mult_early_init(); 202 #endif /* CONFIG_PS2MULT */ 203 return (0); 204 } 205 #endif /* CONFIG_BOARD_EARLY_INIT_R */ 206 207 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) 208 void 209 ft_board_setup(void *blob, bd_t *bd) 210 { 211 u32 val[4]; 212 int rc; 213 214 ft_cpu_setup(blob, bd); 215 216 /* Fixup NOR mapping */ 217 val[0] = 0; /* chip select number */ 218 val[1] = 0; /* always 0 */ 219 val[2] = gd->bd->bi_flashstart; 220 val[3] = gd->bd->bi_flashsize; 221 222 rc = fdt_find_and_setprop(blob, "/localbus", "ranges", 223 val, sizeof(val), 1); 224 if (rc) 225 printf("Unable to update property NOR mapping, err=%s\n", 226 fdt_strerror(rc)); 227 228 #if defined (CFG_FPGA_BASE) 229 memset(val, 0, sizeof(val)); 230 val[0] = CFG_FPGA_BASE; 231 rc = fdt_find_and_setprop(blob, "/localbus/fpga", "virtual-reg", 232 val, sizeof(val), 1); 233 if (rc) 234 printf("Unable to update property \"fpga\", err=%s\n", 235 fdt_strerror(rc)); 236 #endif 237 } 238 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ 239