190 lines
4.0 KiB
C
190 lines
4.0 KiB
C
/*
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* Copyright (C) 2007, 2008, 2010
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* Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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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 <stdio_dev.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 <mmc.h>
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#include <environment.h>
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#ifdef CONFIG_BITBANGMII
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#include <miiphy.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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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 timer_init(void);
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unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
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#ifndef CONFIG_SYS_NO_FLASH
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static int sh_flash_init(void)
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{
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gd->bd->bi_flashsize = flash_init();
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if (gd->bd->bi_flashsize >= (1024 * 1024))
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printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
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else
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printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);
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return 0;
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}
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#endif /* CONFIG_SYS_NO_FLASH */
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#if defined(CONFIG_CMD_NAND)
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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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# undef INIT_FUNC_WATCHDOG_INIT
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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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# 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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{
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mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE -
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CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
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env_relocate();
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jumptable_init();
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return 0;
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}
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#if defined(CONFIG_CMD_MMC)
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static int sh_mmc_init(void)
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{
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puts("MMC: ");
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mmc_initialize(gd->bd);
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return 0;
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}
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#endif
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typedef int (init_fnc_t) (void);
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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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env_init, /* event 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_mem_env_init,
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#ifndef CONFIG_SYS_NO_FLASH
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sh_flash_init, /* Flash memory 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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stdio_init,
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console_init_r,
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interrupt_init,
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#ifdef CONFIG_BOARD_LATE_INIT
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board_late_init,
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#endif
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#if defined(CONFIG_CMD_MMC)
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sh_mmc_init,
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#endif
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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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{
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bd_t *bd;
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init_fnc_t **init_fnc_ptr;
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memset(gd, 0, GENERATED_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->baudrate = CONFIG_BAUDRATE;
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gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
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bd = gd->bd;
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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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#ifndef CONFIG_SYS_NO_FLASH
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bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
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#endif
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#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
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bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
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bd->bi_sramsize = CONFIG_SYS_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) {
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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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#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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#ifdef CONFIG_BITBANGMII
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bb_miiphy_init();
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#endif
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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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#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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