1 /* 2 * Copyright (C) 2007,2008 3 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation; either version 2 of 8 * the License, or (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 18 * MA 02111-1307 USA 19 */ 20 21 #include <common.h> 22 #include <command.h> 23 #include <malloc.h> 24 #include <stdio_dev.h> 25 #include <timestamp.h> 26 #include <version.h> 27 #include <watchdog.h> 28 #include <net.h> 29 #include <environment.h> 30 31 #ifdef CONFIG_BITBANGMII 32 #include <miiphy.h> 33 #endif 34 35 extern int cpu_init(void); 36 extern int board_init(void); 37 extern int dram_init(void); 38 extern int timer_init(void); 39 40 const char version_string[] = U_BOOT_VERSION" ("U_BOOT_DATE" - "U_BOOT_TIME")"; 41 42 unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN; 43 44 static int sh_flash_init(void) 45 { 46 DECLARE_GLOBAL_DATA_PTR; 47 48 gd->bd->bi_flashsize = flash_init(); 49 printf("FLASH: %ldMB\n", gd->bd->bi_flashsize / (1024*1024)); 50 51 return 0; 52 } 53 54 #if defined(CONFIG_CMD_NAND) 55 # include <nand.h> 56 # define INIT_FUNC_NAND_INIT nand_init, 57 #else 58 # define INIT_FUNC_NAND_INIT 59 #endif /* CONFIG_CMD_NAND */ 60 61 #if defined(CONFIG_WATCHDOG) 62 extern int watchdog_init(void); 63 extern int watchdog_disable(void); 64 # define INIT_FUNC_WATCHDOG_INIT watchdog_init, 65 # define WATCHDOG_DISABLE watchdog_disable 66 #else 67 # define INIT_FUNC_WATCHDOG_INIT 68 # define WATCHDOG_DISABLE 69 #endif /* CONFIG_WATCHDOG */ 70 71 #if defined(CONFIG_CMD_IDE) 72 # include <ide.h> 73 # define INIT_FUNC_IDE_INIT ide_init, 74 #else 75 # define INIT_FUNC_IDE_INIT 76 #endif /* CONFIG_CMD_IDE */ 77 78 #if defined(CONFIG_PCI) 79 #include <pci.h> 80 static int sh_pci_init(void) 81 { 82 pci_init(); 83 return 0; 84 } 85 # define INIT_FUNC_PCI_INIT sh_pci_init, 86 #else 87 # define INIT_FUNC_PCI_INIT 88 #endif /* CONFIG_PCI */ 89 90 static int sh_mem_env_init(void) 91 { 92 mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE - 93 CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16); 94 env_relocate(); 95 jumptable_init(); 96 return 0; 97 } 98 99 #if defined(CONFIG_CMD_NET) 100 static int sh_net_init(void) 101 { 102 DECLARE_GLOBAL_DATA_PTR; 103 gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr"); 104 return 0; 105 } 106 #endif 107 108 typedef int (init_fnc_t) (void); 109 110 init_fnc_t *init_sequence[] = 111 { 112 cpu_init, /* basic cpu dependent setup */ 113 board_init, /* basic board dependent setup */ 114 interrupt_init, /* set up exceptions */ 115 env_init, /* event init */ 116 serial_init, /* SCIF init */ 117 INIT_FUNC_WATCHDOG_INIT /* watchdog init */ 118 console_init_f, 119 display_options, 120 checkcpu, 121 checkboard, /* Check support board */ 122 dram_init, /* SDRAM init */ 123 timer_init, /* SuperH Timer (TCNT0 only) init */ 124 sh_mem_env_init, 125 sh_flash_init, /* Flash memory(NOR) init*/ 126 INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */ 127 INIT_FUNC_PCI_INIT /* PCI init */ 128 stdio_init, 129 console_init_r, 130 interrupt_init, 131 #ifdef BOARD_LATE_INIT 132 board_late_init, 133 #endif 134 #if defined(CONFIG_CMD_NET) 135 sh_net_init, /* SH specific eth init */ 136 #endif 137 NULL /* Terminate this list */ 138 }; 139 140 void sh_generic_init(void) 141 { 142 DECLARE_GLOBAL_DATA_PTR; 143 144 bd_t *bd; 145 init_fnc_t **init_fnc_ptr; 146 147 memset(gd, 0, GENERATED_GBL_DATA_SIZE); 148 149 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ 150 151 gd->bd = (bd_t *)(gd + 1); /* At end of global data */ 152 gd->baudrate = CONFIG_BAUDRATE; 153 154 gd->cpu_clk = CONFIG_SYS_CLK_FREQ; 155 156 bd = gd->bd; 157 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; 158 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; 159 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; 160 #if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE) 161 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; 162 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; 163 #endif 164 bd->bi_baudrate = CONFIG_BAUDRATE; 165 166 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { 167 WATCHDOG_RESET(); 168 if ((*init_fnc_ptr) () != 0) 169 hang(); 170 } 171 172 #ifdef CONFIG_WATCHDOG 173 /* disable watchdog if environment is set */ 174 { 175 char *s = getenv("watchdog"); 176 if (s != NULL) 177 if (strncmp(s, "off", 3) == 0) 178 WATCHDOG_DISABLE(); 179 } 180 #endif /* CONFIG_WATCHDOG*/ 181 182 183 #ifdef CONFIG_BITBANGMII 184 bb_miiphy_init(); 185 #endif 186 #if defined(CONFIG_CMD_NET) 187 { 188 char *s; 189 puts("Net: "); 190 eth_initialize(gd->bd); 191 192 s = getenv("bootfile"); 193 if (s != NULL) 194 copy_filename(BootFile, s, sizeof(BootFile)); 195 } 196 #endif /* CONFIG_CMD_NET */ 197 198 while (1) { 199 WATCHDOG_RESET(); 200 main_loop(); 201 } 202 } 203 204 /***********************************************************************/ 205 206 void hang(void) 207 { 208 puts("Board ERROR\n"); 209 for (;;) 210 ; 211 } 212