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 <mmc.h> 29 #include <environment.h> 30 31 #ifdef CONFIG_BITBANGMII 32 #include <miiphy.h> 33 #endif 34 35 DECLARE_GLOBAL_DATA_PTR; 36 37 extern int cpu_init(void); 38 extern int board_init(void); 39 extern int dram_init(void); 40 extern int timer_init(void); 41 42 unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN; 43 44 #ifndef CONFIG_SYS_NO_FLASH 45 static int sh_flash_init(void) 46 { 47 gd->bd->bi_flashsize = flash_init(); 48 49 if (gd->bd->bi_flashsize >= (1024 * 1024)) 50 printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024)); 51 else 52 printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024); 53 54 return 0; 55 } 56 #endif /* CONFIG_SYS_NO_FLASH */ 57 58 #if defined(CONFIG_CMD_NAND) 59 # include <nand.h> 60 # define INIT_FUNC_NAND_INIT nand_init, 61 #else 62 # define INIT_FUNC_NAND_INIT 63 #endif /* CONFIG_CMD_NAND */ 64 65 #if defined(CONFIG_WATCHDOG) 66 extern int watchdog_init(void); 67 extern int watchdog_disable(void); 68 # define INIT_FUNC_WATCHDOG_INIT watchdog_init, 69 # define WATCHDOG_DISABLE watchdog_disable 70 #else 71 # define INIT_FUNC_WATCHDOG_INIT 72 # define WATCHDOG_DISABLE 73 #endif /* CONFIG_WATCHDOG */ 74 75 #if defined(CONFIG_CMD_IDE) 76 # include <ide.h> 77 # define INIT_FUNC_IDE_INIT ide_init, 78 #else 79 # define INIT_FUNC_IDE_INIT 80 #endif /* CONFIG_CMD_IDE */ 81 82 #if defined(CONFIG_PCI) 83 #include <pci.h> 84 static int sh_pci_init(void) 85 { 86 pci_init(); 87 return 0; 88 } 89 # define INIT_FUNC_PCI_INIT sh_pci_init, 90 #else 91 # define INIT_FUNC_PCI_INIT 92 #endif /* CONFIG_PCI */ 93 94 static int sh_mem_env_init(void) 95 { 96 mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE - 97 CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16); 98 env_relocate(); 99 jumptable_init(); 100 return 0; 101 } 102 103 #if defined(CONFIG_CMD_NET) 104 static int sh_net_init(void) 105 { 106 gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr"); 107 return 0; 108 } 109 #endif 110 111 #if defined(CONFIG_CMD_MMC) 112 static int sh_mmc_init(void) 113 { 114 puts("MMC: "); 115 mmc_initialize(gd->bd); 116 return 0; 117 } 118 #endif 119 120 typedef int (init_fnc_t) (void); 121 122 init_fnc_t *init_sequence[] = 123 { 124 cpu_init, /* basic cpu dependent setup */ 125 board_init, /* basic board dependent setup */ 126 interrupt_init, /* set up exceptions */ 127 env_init, /* event init */ 128 serial_init, /* SCIF init */ 129 INIT_FUNC_WATCHDOG_INIT /* watchdog init */ 130 console_init_f, 131 display_options, 132 checkcpu, 133 checkboard, /* Check support board */ 134 dram_init, /* SDRAM init */ 135 timer_init, /* SuperH Timer (TCNT0 only) init */ 136 sh_mem_env_init, 137 #ifndef CONFIG_SYS_NO_FLASH 138 sh_flash_init, /* Flash memory init*/ 139 #endif 140 INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */ 141 INIT_FUNC_PCI_INIT /* PCI init */ 142 stdio_init, 143 console_init_r, 144 interrupt_init, 145 #ifdef CONFIG_BOARD_LATE_INIT 146 board_late_init, 147 #endif 148 #if defined(CONFIG_CMD_NET) 149 sh_net_init, /* SH specific eth init */ 150 #endif 151 #if defined(CONFIG_CMD_MMC) 152 sh_mmc_init, 153 #endif 154 NULL /* Terminate this list */ 155 }; 156 157 void sh_generic_init(void) 158 { 159 bd_t *bd; 160 init_fnc_t **init_fnc_ptr; 161 162 memset(gd, 0, GENERATED_GBL_DATA_SIZE); 163 164 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ 165 166 gd->bd = (bd_t *)(gd + 1); /* At end of global data */ 167 gd->baudrate = CONFIG_BAUDRATE; 168 169 gd->cpu_clk = CONFIG_SYS_CLK_FREQ; 170 171 bd = gd->bd; 172 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; 173 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; 174 #ifndef CONFIG_SYS_NO_FLASH 175 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; 176 #endif 177 #if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE) 178 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; 179 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; 180 #endif 181 bd->bi_baudrate = CONFIG_BAUDRATE; 182 183 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { 184 WATCHDOG_RESET(); 185 if ((*init_fnc_ptr) () != 0) 186 hang(); 187 } 188 189 #ifdef CONFIG_WATCHDOG 190 /* disable watchdog if environment is set */ 191 { 192 char *s = getenv("watchdog"); 193 if (s != NULL) 194 if (strncmp(s, "off", 3) == 0) 195 WATCHDOG_DISABLE(); 196 } 197 #endif /* CONFIG_WATCHDOG*/ 198 199 200 #ifdef CONFIG_BITBANGMII 201 bb_miiphy_init(); 202 #endif 203 #if defined(CONFIG_CMD_NET) 204 { 205 char *s; 206 puts("Net: "); 207 eth_initialize(gd->bd); 208 209 s = getenv("bootfile"); 210 if (s != NULL) 211 copy_filename(BootFile, s, sizeof(BootFile)); 212 } 213 #endif /* CONFIG_CMD_NET */ 214 215 while (1) { 216 WATCHDOG_RESET(); 217 main_loop(); 218 } 219 } 220 221 /***********************************************************************/ 222 223 void hang(void) 224 { 225 puts("Board ERROR\n"); 226 for (;;) 227 ; 228 } 229