+// SPDX-License-Identifier: GPL-2.0+
/*
- * Copyright (C) 2007, 2008, 2010
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
+ * Copyright (C) 2016 Vladimir Zapolskiy <vz@mleia.com>
*/
#include <common.h>
-#include <command.h>
-#include <malloc.h>
-#include <stdio_dev.h>
-#include <version.h>
-#include <watchdog.h>
-#include <net.h>
-#include <mmc.h>
-#include <environment.h>
-
-#ifdef CONFIG_BITBANGMII
-#include <miiphy.h>
-#endif
DECLARE_GLOBAL_DATA_PTR;
-extern int cpu_init(void);
-extern int board_init(void);
-extern int dram_init(void);
-extern int timer_init(void);
-
-unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
-
-#ifndef CONFIG_SYS_NO_FLASH
-static int sh_flash_init(void)
-{
- gd->bd->bi_flashsize = flash_init();
-
- if (gd->bd->bi_flashsize >= (1024 * 1024))
- printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
- else
- printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);
-
- return 0;
-}
-#endif /* CONFIG_SYS_NO_FLASH */
-
-#if defined(CONFIG_CMD_NAND)
-# include <nand.h>
-# define INIT_FUNC_NAND_INIT nand_init,
-#else
-# define INIT_FUNC_NAND_INIT
-#endif /* CONFIG_CMD_NAND */
-
-#if defined(CONFIG_WATCHDOG)
-extern int watchdog_init(void);
-extern int watchdog_disable(void);
-# undef INIT_FUNC_WATCHDOG_INIT
-# define INIT_FUNC_WATCHDOG_INIT watchdog_init,
-# define WATCHDOG_DISABLE watchdog_disable
-#else
-# define INIT_FUNC_WATCHDOG_INIT
-# define WATCHDOG_DISABLE
-#endif /* CONFIG_WATCHDOG */
-
-#if defined(CONFIG_CMD_IDE)
-# include <ide.h>
-# define INIT_FUNC_IDE_INIT ide_init,
-#else
-# define INIT_FUNC_IDE_INIT
-#endif /* CONFIG_CMD_IDE */
-
-#if defined(CONFIG_PCI)
-#include <pci.h>
-static int sh_pci_init(void)
-{
- pci_init();
- return 0;
-}
-# define INIT_FUNC_PCI_INIT sh_pci_init,
-#else
-# define INIT_FUNC_PCI_INIT
-#endif /* CONFIG_PCI */
-
-static int sh_mem_env_init(void)
+int dram_init(void)
{
- mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE -
- CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
- env_relocate();
- jumptable_init();
- return 0;
-}
+ gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_SDRAM_SIZE);
-#if defined(CONFIG_CMD_MMC)
-static int sh_mmc_init(void)
-{
- puts("MMC: ");
- mmc_initialize(gd->bd);
return 0;
}
-#endif
-typedef int (init_fnc_t) (void);
-
-init_fnc_t *init_sequence[] =
-{
- cpu_init, /* basic cpu dependent setup */
- board_init, /* basic board dependent setup */
- interrupt_init, /* set up exceptions */
- env_init, /* event init */
- serial_init, /* SCIF init */
- INIT_FUNC_WATCHDOG_INIT /* watchdog init */
- console_init_f,
- display_options,
- checkcpu,
- checkboard, /* Check support board */
- dram_init, /* SDRAM init */
- timer_init, /* SuperH Timer (TCNT0 only) init */
- sh_mem_env_init,
-#ifndef CONFIG_SYS_NO_FLASH
- sh_flash_init, /* Flash memory init*/
-#endif
- INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
- INIT_FUNC_PCI_INIT /* PCI init */
- stdio_init,
- console_init_r,
- interrupt_init,
-#ifdef CONFIG_BOARD_LATE_INIT
- board_late_init,
-#endif
-#if defined(CONFIG_CMD_MMC)
- sh_mmc_init,
-#endif
- NULL /* Terminate this list */
-};
-
-void sh_generic_init(void)
+void relocate_code(ulong start_addr_sp, gd_t *new_gd, ulong relocaddr)
{
- bd_t *bd;
- init_fnc_t **init_fnc_ptr;
-
- memset(gd, 0, GENERATED_GBL_DATA_SIZE);
+ void (*reloc_board_init_r)(gd_t *gd, ulong dest) = board_init_r;
- gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
+ if (new_gd->reloc_off) {
+ memcpy((void *)new_gd->relocaddr,
+ (void *)(new_gd->relocaddr - new_gd->reloc_off),
+ new_gd->mon_len);
- gd->bd = (bd_t *)(gd + 1); /* At end of global data */
- gd->baudrate = CONFIG_BAUDRATE;
-
- gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
-
- bd = gd->bd;
- bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
- bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
-#ifndef CONFIG_SYS_NO_FLASH
- bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
-#endif
-#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
- bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
- bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
-#endif
-
- for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
- WATCHDOG_RESET();
- if ((*init_fnc_ptr) () != 0)
- hang();
+ reloc_board_init_r += new_gd->reloc_off;
}
-#ifdef CONFIG_WATCHDOG
- /* disable watchdog if environment is set */
- {
- char *s = getenv("watchdog");
- if (s != NULL)
- if (strncmp(s, "off", 3) == 0)
- WATCHDOG_DISABLE();
- }
-#endif /* CONFIG_WATCHDOG*/
+ __asm__ __volatile__("mov.l %0, r15\n" : : "m" (new_gd->start_addr_sp));
-
-#ifdef CONFIG_BITBANGMII
- bb_miiphy_init();
-#endif
-#if defined(CONFIG_CMD_NET)
- puts("Net: ");
- eth_initialize();
-#endif /* CONFIG_CMD_NET */
-
- while (1) {
- WATCHDOG_RESET();
- main_loop();
- }
+ while (1)
+ reloc_board_init_r(new_gd, 0x0);
}
projects / platform / kernel / u-boot.git / blobdiff