Tom Rini
10 years ago
commit
a4fb5df214
@ -1,201 +0,0 @@ |
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/*
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* (C) Copyright 2007 Michal Simek |
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* (C) Copyright 2004 Atmark Techno, Inc. |
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* |
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* Michal SIMEK <monstr@monstr.eu> |
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* Yasushi SHOJI <yashi@atmark-techno.com> |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <malloc.h> |
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#include <version.h> |
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#include <watchdog.h> |
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#include <stdio_dev.h> |
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#include <serial.h> |
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#include <net.h> |
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#include <spi.h> |
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#include <linux/compiler.h> |
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#include <asm/processor.h> |
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#include <asm/microblaze_intc.h> |
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#include <fdtdec.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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static int display_banner(void) |
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{ |
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printf("\n\n%s\n\n", version_string); |
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return 0; |
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} |
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/*
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* All attempts to come up with a "common" initialization sequence |
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* that works for all boards and architectures failed: some of the |
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* requirements are just _too_ different. To get rid of the resulting |
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* mess of board dependend #ifdef'ed code we now make the whole |
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* initialization sequence configurable to the user. |
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* |
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* The requirements for any new initalization function is simple: it |
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* receives a pointer to the "global data" structure as it's only |
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* argument, and returns an integer return code, where 0 means |
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* "continue" and != 0 means "fatal error, hang the system". |
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*/ |
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typedef int (init_fnc_t) (void); |
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init_fnc_t *init_sequence[] = { |
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env_init, |
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#ifdef CONFIG_OF_CONTROL |
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fdtdec_check_fdt, |
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#endif |
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serial_init, |
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#ifndef CONFIG_SPL_BUILD |
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console_init_f, |
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#endif |
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display_banner, |
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#ifndef CONFIG_SPL_BUILD |
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interrupts_init, |
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timer_init, |
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#endif |
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NULL, |
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}; |
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unsigned long monitor_flash_len; |
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void board_init_f(ulong not_used) |
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{ |
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bd_t *bd; |
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init_fnc_t **init_fnc_ptr; |
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gd = (gd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET); |
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bd = (bd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET |
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- GENERATED_BD_INFO_SIZE); |
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#if defined(CONFIG_CMD_FLASH) && !defined(CONFIG_SPL_BUILD) |
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ulong flash_size = 0; |
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#endif |
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asm ("nop"); /* FIXME gd is not initialize - wait */ |
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memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE); |
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memset((void *)bd, 0, GENERATED_BD_INFO_SIZE); |
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gd->bd = bd; |
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gd->baudrate = CONFIG_BAUDRATE; |
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bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; |
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bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; |
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gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
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monitor_flash_len = __end - __text_start; |
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#ifdef CONFIG_OF_EMBED |
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/* Get a pointer to the FDT */ |
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gd->fdt_blob = __dtb_dt_begin; |
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#elif defined CONFIG_OF_SEPARATE |
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/* FDT is at end of image */ |
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gd->fdt_blob = (void *)__end; |
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#endif |
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#ifndef CONFIG_SPL_BUILD |
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/* Allow the early environment to override the fdt address */ |
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gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, |
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(uintptr_t)gd->fdt_blob); |
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#endif |
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/*
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* The Malloc area is immediately below the monitor copy in DRAM |
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* aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off |
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* as our monitory code is run from SDRAM |
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*/ |
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mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN); |
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serial_initialize(); |
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#ifdef CONFIG_XILINX_TB_WATCHDOG |
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hw_watchdog_init(); |
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#endif |
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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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#ifndef CONFIG_SPL_BUILD |
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#ifdef CONFIG_OF_CONTROL |
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/* For now, put this check after the console is ready */ |
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if (fdtdec_prepare_fdt()) |
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panic("** No FDT - please see doc/README.fdt-control"); |
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else |
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printf("DTB: 0x%x\n", (u32)gd->fdt_blob); |
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#endif |
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puts("SDRAM :\n"); |
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printf("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF"); |
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printf("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF"); |
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printf("\tU-Boot Start:0x%08x\n", CONFIG_SYS_TEXT_BASE); |
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#if defined(CONFIG_CMD_FLASH) |
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puts("Flash: "); |
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bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; |
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flash_size = flash_init(); |
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if (bd->bi_flashstart && flash_size > 0) { |
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# ifdef CONFIG_SYS_FLASH_CHECKSUM |
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print_size(flash_size, ""); |
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/*
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* Compute and print flash CRC if flashchecksum is set to 'y' |
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* |
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* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
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*/ |
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if (getenv_yesno("flashchecksum") == 1) { |
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printf(" CRC: %08X", |
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crc32(0, (const u8 *)bd->bi_flashstart, |
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flash_size) |
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); |
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} |
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putc('\n'); |
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# else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
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print_size(flash_size, "\n"); |
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# endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
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bd->bi_flashsize = flash_size; |
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bd->bi_flashoffset = bd->bi_flashstart + flash_size; |
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} else { |
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puts("Flash init FAILED"); |
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bd->bi_flashstart = 0; |
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bd->bi_flashsize = 0; |
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bd->bi_flashoffset = 0; |
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} |
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#endif |
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#ifdef CONFIG_SPI |
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spi_init(); |
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#endif |
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/* relocate environment function pointers etc. */ |
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env_relocate(); |
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/* Initialize stdio devices */ |
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stdio_init(); |
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/* Initialize the jump table for applications */ |
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jumptable_init(); |
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/* Initialize the console (after the relocation and devices init) */ |
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console_init_r(); |
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board_init(); |
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/* Initialize from environment */ |
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load_addr = getenv_ulong("loadaddr", 16, load_addr); |
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#if defined(CONFIG_CMD_NET) |
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printf("Net: "); |
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eth_initialize(gd->bd); |
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uchar enetaddr[6]; |
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eth_getenv_enetaddr("ethaddr", enetaddr); |
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printf("MAC: %pM\n", enetaddr); |
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#endif |
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/* main_loop */ |
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for (;;) { |
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WATCHDOG_RESET(); |
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main_loop(); |
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} |
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#endif /* CONFIG_SPL_BUILD */ |
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} |
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