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@ -23,6 +23,7 @@ |
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#include <malloc.h> |
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#include <devices.h> |
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#include <version.h> |
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#include <watchdog.h> |
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#include <net.h> |
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#include <environment.h> |
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@ -30,7 +31,6 @@ extern void malloc_bin_reloc (void); |
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extern int cpu_init(void); |
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extern int board_init(void); |
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extern int dram_init(void); |
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extern int watchdog_init(void); |
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extern int timer_init(void); |
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const char version_string[] = U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")"; |
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@ -41,17 +41,17 @@ static unsigned long mem_malloc_start; |
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static unsigned long mem_malloc_end; |
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static unsigned long mem_malloc_brk; |
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static void mem_malloc_init (void) |
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static void mem_malloc_init(void) |
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{ |
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mem_malloc_start = (TEXT_BASE - CFG_GBL_DATA_SIZE - CFG_MALLOC_LEN); |
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mem_malloc_end = (mem_malloc_start + CFG_MALLOC_LEN - 16); |
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mem_malloc_brk = mem_malloc_start; |
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memset ((void *) mem_malloc_start, 0, |
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memset((void *) mem_malloc_start, 0, |
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(mem_malloc_end - mem_malloc_start)); |
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} |
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void *sbrk (ptrdiff_t increment) |
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void *sbrk(ptrdiff_t increment) |
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{ |
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unsigned long old = mem_malloc_brk; |
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unsigned long new = old + increment; |
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@ -70,37 +70,45 @@ static int sh_flash_init(void) |
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DECLARE_GLOBAL_DATA_PTR; |
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gd->bd->bi_flashsize = flash_init(); |
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printf("FLASH: %dMB\n", gd->bd->bi_flashsize / (1024*1024)); |
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printf("FLASH: %ldMB\n", gd->bd->bi_flashsize / (1024*1024)); |
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return 0; |
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} |
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#if defined(CONFIG_CMD_NAND) |
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#include <nand.h> |
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static int sh_nand_init(void) |
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{ |
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printf("NAND: "); |
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nand_init(); /* go init the NAND */ |
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return 0; |
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} |
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# include <nand.h> |
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# define INIT_FUNC_NAND_INIT nand_init, |
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#else |
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# define INIT_FUNC_NAND_INIT |
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#endif /* CONFIG_CMD_NAND */ |
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#if defined(CONFIG_WATCHDOG) |
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extern int watchdog_init(void); |
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extern int watchdog_disable(void); |
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# define INIT_FUNC_WATCHDOG_INIT watchdog_init, |
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# define WATCHDOG_DISABLE watchdog_disable |
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#else |
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# define INIT_FUNC_WATCHDOG_INIT |
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# define WATCHDOG_DISABLE |
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#endif /* CONFIG_WATCHDOG */ |
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#if defined(CONFIG_CMD_IDE) |
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#include <ide.h> |
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static int sh_marubun_init(void) |
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{ |
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puts ("IDE: "); |
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ide_init(); |
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return 0; |
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} |
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#endif /* (CONFIG_CMD_IDE) */ |
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# include <ide.h> |
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# define INIT_FUNC_IDE_INIT ide_init, |
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#else |
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# define INIT_FUNC_IDE_INIT |
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#endif /* CONFIG_CMD_IDE */ |
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#if defined(CONFIG_PCI) |
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#include <pci.h> |
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static int sh_pci_init(void) |
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{ |
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pci_init(); |
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return 0; |
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} |
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# define INIT_FUNC_PCI_INIT sh_pci_init, |
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#else |
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# define INIT_FUNC_PCI_INIT |
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#endif /* CONFIG_PCI */ |
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static int sh_mem_env_init(void) |
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@ -123,7 +131,8 @@ static int sh_net_init(void) |
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s = getenv("ethaddr"); |
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for (i = 0; i < 6; ++i) { |
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gd->bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0; |
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if (s) s = (*e) ? e + 1 : e; |
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if (s) |
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s = (*e) ? e + 1 : e; |
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} |
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return 0; |
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@ -136,24 +145,20 @@ init_fnc_t *init_sequence[] = |
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{ |
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cpu_init, /* basic cpu dependent setup */ |
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board_init, /* basic board dependent setup */ |
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interrupt_init, /* set up exceptions */ |
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interrupt_init, /* set up exceptions */ |
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env_init, /* event init */ |
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serial_init, /* SCIF init */ |
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watchdog_init, /* watchdog init */ |
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serial_init, /* SCIF init */ |
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INIT_FUNC_WATCHDOG_INIT /* watchdog init */ |
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console_init_f, |
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display_options, |
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checkcpu, |
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checkboard, /* Check support board */ |
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dram_init, /* SDRAM init */ |
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timer_init, /* SuperH Timer (TCNT0 only) init */ |
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sh_flash_init, /* Flash memory(NOR) init*/ |
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sh_flash_init, /* Flash memory(NOR) init*/ |
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sh_mem_env_init, |
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#if defined(CONFIG_CMD_NAND) |
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sh_nand_init, /* Flash memory (NAND) init */ |
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#endif |
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#if defined(CONFIG_PCI) |
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sh_pci_init, /* PCI Init */ |
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#endif |
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INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */ |
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INIT_FUNC_PCI_INIT /* PCI init */ |
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devices_init, |
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console_init_r, |
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interrupt_init, |
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@ -166,20 +171,18 @@ init_fnc_t *init_sequence[] = |
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NULL /* Terminate this list */ |
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}; |
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void sh_generic_init (void) |
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void sh_generic_init(void) |
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{ |
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DECLARE_GLOBAL_DATA_PTR; |
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bd_t *bd; |
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init_fnc_t **init_fnc_ptr; |
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int i; |
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char *s; |
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memset (gd, 0, CFG_GBL_DATA_SIZE); |
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memset(gd, 0, CFG_GBL_DATA_SIZE); |
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gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
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gd->bd = (bd_t *) (gd + 1); /* At end of global data */ |
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gd->bd = (bd_t *)(gd + 1); /* At end of global data */ |
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gd->baudrate = CONFIG_BAUDRATE; |
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gd->cpu_clk = CONFIG_SYS_CLK_FREQ; |
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@ -189,35 +192,51 @@ void sh_generic_init (void) |
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bd->bi_memsize = CFG_SDRAM_SIZE; |
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bd->bi_flashstart = CFG_FLASH_BASE; |
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#if defined(CFG_SRAM_BASE) && defined(CFG_SRAM_SIZE) |
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bd->bi_sramstart= CFG_SRAM_BASE; |
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bd->bi_sramstart = CFG_SRAM_BASE; |
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bd->bi_sramsize = CFG_SRAM_SIZE; |
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#endif |
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bd->bi_baudrate = CONFIG_BAUDRATE; |
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for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr , i++) { |
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if ((*init_fnc_ptr) () != 0) { |
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for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { |
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WATCHDOG_RESET(); |
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if ((*init_fnc_ptr) () != 0) |
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hang(); |
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} |
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} |
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#if defined(CONFIG_CMD_NET) |
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puts ("Net: "); |
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eth_initialize(gd->bd); |
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#ifdef CONFIG_WATCHDOG |
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/* disable watchdog if environment is set */ |
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{ |
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char *s = getenv("watchdog"); |
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if (s != NULL) |
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if (strncmp(s, "off", 3) == 0) |
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WATCHDOG_DISABLE(); |
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} |
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#endif /* CONFIG_WATCHDOG*/ |
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if ((s = getenv ("bootfile")) != NULL) { |
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copy_filename (BootFile, s, sizeof (BootFile)); |
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#if defined(CONFIG_CMD_NET) |
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{ |
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char *s; |
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puts("Net: "); |
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eth_initialize(gd->bd); |
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s = getenv("bootfile"); |
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if (s != NULL) |
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copy_filename(BootFile, s, sizeof(BootFile)); |
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} |
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#endif /* CONFIG_CMD_NET */ |
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while (1) { |
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WATCHDOG_RESET(); |
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main_loop(); |
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} |
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} |
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/***********************************************************************/ |
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void hang (void) |
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void hang(void) |
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{ |
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puts ("Board ERROR\n"); |
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for (;;); |
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puts("Board ERROR\n"); |
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for (;;) |
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; |
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} |
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