1 /* 2 * Copyright (C) 2007, 2008, 2010 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 <version.h> 26 #include <watchdog.h> 27 #include <net.h> 28 #include <environment.h> 29 30 #ifdef CONFIG_BITBANGMII 31 #include <miiphy.h> 32 #endif 33 34 DECLARE_GLOBAL_DATA_PTR; 35 36 extern int cpu_init(void); 37 extern int board_init(void); 38 extern int dram_init(void); 39 extern int timer_init(void); 40 41 unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN; 42 43 #ifndef CONFIG_SYS_NO_FLASH 44 static int sh_flash_init(void) 45 { 46 gd->bd->bi_flashsize = flash_init(); 47 48 if (gd->bd->bi_flashsize >= (1024 * 1024)) 49 printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024)); 50 else 51 printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024); 52 53 return 0; 54 } 55 #endif /* CONFIG_SYS_NO_FLASH */ 56 57 #if defined(CONFIG_CMD_NAND) 58 # include <nand.h> 59 # define INIT_FUNC_NAND_INIT nand_init, 60 #else 61 # define INIT_FUNC_NAND_INIT 62 #endif /* CONFIG_CMD_NAND */ 63 64 #if defined(CONFIG_WATCHDOG) 65 extern int watchdog_init(void); 66 extern int watchdog_disable(void); 67 # define INIT_FUNC_WATCHDOG_INIT watchdog_init, 68 # define WATCHDOG_DISABLE watchdog_disable 69 #else 70 # define INIT_FUNC_WATCHDOG_INIT 71 # define WATCHDOG_DISABLE 72 #endif /* CONFIG_WATCHDOG */ 73 74 #if defined(CONFIG_CMD_IDE) 75 # include <ide.h> 76 # define INIT_FUNC_IDE_INIT ide_init, 77 #else 78 # define INIT_FUNC_IDE_INIT 79 #endif /* CONFIG_CMD_IDE */ 80 81 #if defined(CONFIG_PCI) 82 #include <pci.h> 83 static int sh_pci_init(void) 84 { 85 pci_init(); 86 return 0; 87 } 88 # define INIT_FUNC_PCI_INIT sh_pci_init, 89 #else 90 # define INIT_FUNC_PCI_INIT 91 #endif /* CONFIG_PCI */ 92 93 static int sh_mem_env_init(void) 94 { 95 mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE - 96 CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16); 97 env_relocate(); 98 jumptable_init(); 99 return 0; 100 } 101 102 #if defined(CONFIG_CMD_NET) 103 static int sh_net_init(void) 104 { 105 gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr"); 106 return 0; 107 } 108 #endif 109 110 #if defined(CONFIG_CMD_MMC) 111 static int sh_mmc_init(void) 112 { 113 puts("MMC: "); 114 mmc_initialize(gd->bd); 115 return 0; 116 } 117 #endif 118 119 typedef int (init_fnc_t) (void); 120 121 init_fnc_t *init_sequence[] = 122 { 123 cpu_init, /* basic cpu dependent setup */ 124 board_init, /* basic board dependent setup */ 125 interrupt_init, /* set up exceptions */ 126 env_init, /* event init */ 127 serial_init, /* SCIF init */ 128 INIT_FUNC_WATCHDOG_INIT /* watchdog init */ 129 console_init_f, 130 display_options, 131 checkcpu, 132 checkboard, /* Check support board */ 133 dram_init, /* SDRAM init */ 134 timer_init, /* SuperH Timer (TCNT0 only) init */ 135 sh_mem_env_init, 136 #ifndef CONFIG_SYS_NO_FLASH 137 sh_flash_init, /* Flash memory init*/ 138 #endif 139 INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */ 140 INIT_FUNC_PCI_INIT /* PCI init */ 141 stdio_init, 142 console_init_r, 143 interrupt_init, 144 #ifdef BOARD_LATE_INIT 145 board_late_init, 146 #endif 147 #if defined(CONFIG_CMD_NET) 148 sh_net_init, /* SH specific eth init */ 149 #endif 150 #if defined(CONFIG_CMD_MMC) 151 sh_mmc_init, 152 #endif 153 NULL /* Terminate this list */ 154 }; 155 156 void sh_generic_init(void) 157 { 158 bd_t *bd; 159 init_fnc_t **init_fnc_ptr; 160 161 memset(gd, 0, GENERATED_GBL_DATA_SIZE); 162 163 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ 164 165 gd->bd = (bd_t *)(gd + 1); /* At end of global data */ 166 gd->baudrate = CONFIG_BAUDRATE; 167 168 gd->cpu_clk = CONFIG_SYS_CLK_FREQ; 169 170 bd = gd->bd; 171 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; 172 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; 173 #ifndef CONFIG_SYS_NO_FLASH 174 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; 175 #endif 176 #if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE) 177 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; 178 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; 179 #endif 180 bd->bi_baudrate = CONFIG_BAUDRATE; 181 182 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { 183 WATCHDOG_RESET(); 184 if ((*init_fnc_ptr) () != 0) 185 hang(); 186 } 187 188 #ifdef CONFIG_WATCHDOG 189 /* disable watchdog if environment is set */ 190 { 191 char *s = getenv("watchdog"); 192 if (s != NULL) 193 if (strncmp(s, "off", 3) == 0) 194 WATCHDOG_DISABLE(); 195 } 196 #endif /* CONFIG_WATCHDOG*/ 197 198 199 #ifdef CONFIG_BITBANGMII 200 bb_miiphy_init(); 201 #endif 202 #if defined(CONFIG_CMD_NET) 203 { 204 char *s; 205 puts("Net: "); 206 eth_initialize(gd->bd); 207 208 s = getenv("bootfile"); 209 if (s != NULL) 210 copy_filename(BootFile, s, sizeof(BootFile)); 211 } 212 #endif /* CONFIG_CMD_NET */ 213 214 while (1) { 215 WATCHDOG_RESET(); 216 main_loop(); 217 } 218 } 219 220 /***********************************************************************/ 221 222 void hang(void) 223 { 224 puts("Board ERROR\n"); 225 for (;;) 226 ; 227 } 228