* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
#include <common.h>
#include <command.h>
+#include <environment.h>
#include <malloc.h>
#include <stdio_dev.h>
#include <version.h>
#include <nand.h>
#include <onenand_uboot.h>
#include <mmc.h>
+#include <scsi.h>
#include <libfdt.h>
#include <fdtdec.h>
#include <post.h>
#include <logbuff.h>
+#include <asm/sections.h>
#ifdef CONFIG_BITBANGMII
#include <miiphy.h>
#endif
#if defined(CONFIG_HARD_I2C) || \
- defined(CONFIG_SOFT_I2C)
+ defined(CONFIG_SYS_I2C)
#include <i2c.h>
#endif
{
printf("\n\n%s\n\n", version_string);
debug("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
- _TEXT_BASE,
- _bss_start_ofs + _TEXT_BASE, _bss_end_ofs + _TEXT_BASE);
+ (ulong)&_start,
+ (ulong)&__bss_start, (ulong)&__bss_end);
#ifdef CONFIG_MODEM_SUPPORT
debug("Modem Support enabled\n");
#endif
return (0);
}
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
static int init_func_i2c(void)
{
puts("I2C: ");
+#ifdef CONFIG_SYS_I2C
+ i2c_init_all();
+#else
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
puts("ready\n");
return (0);
}
*/
typedef int (init_fnc_t) (void);
-int print_cpuinfo(void);
-
void __dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
int power_init_board(void)
__attribute__((weak, alias("__power_init_board")));
+ /* Record the board_init_f() bootstage (after arch_cpu_init()) */
+static int mark_bootstage(void)
+{
+ bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
+
+ return 0;
+}
+
init_fnc_t *init_sequence[] = {
arch_cpu_init, /* basic arch cpu dependent setup */
-
-#if defined(CONFIG_BOARD_EARLY_INIT_F)
- board_early_init_f,
-#endif
+ mark_bootstage,
#ifdef CONFIG_OF_CONTROL
fdtdec_check_fdt,
+#endif
+#if defined(CONFIG_BOARD_EARLY_INIT_F)
+ board_early_init_f,
#endif
timer_init, /* initialize timer */
#ifdef CONFIG_BOARD_POSTCLK_INIT
serial_init, /* serial communications setup */
console_init_f, /* stage 1 init of console */
display_banner, /* say that we are here */
-#if defined(CONFIG_DISPLAY_CPUINFO)
print_cpuinfo, /* display cpu info (and speed) */
-#endif
#if defined(CONFIG_DISPLAY_BOARDINFO)
checkboard, /* display board info */
#endif
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
init_func_i2c,
#endif
dram_init, /* configure available RAM banks */
void *new_fdt = NULL;
size_t fdt_size = 0;
- bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
-
- /* Pointer is writable since we allocated a register for it */
- gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
- /* compiler optimization barrier needed for GCC >= 3.4 */
- __asm__ __volatile__("": : :"memory");
-
memset((void *)gd, 0, sizeof(gd_t));
- gd->mon_len = _bss_end_ofs;
+ gd->mon_len = (ulong)&__bss_end - (ulong)_start;
#ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
- gd->fdt_blob = _binary_dt_dtb_start;
+ gd->fdt_blob = __dtb_db_begin;
#elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
- gd->fdt_blob = (void *)(_end_ofs + _TEXT_BASE);
+ gd->fdt_blob = &_end;
#endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
#endif
- addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
+ addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
/* reserve TLB table */
- addr -= (4096 * 4);
+ gd->arch.tlb_size = PGTABLE_SIZE;
+ addr -= gd->arch.tlb_size;
/* round down to next 64 kB limit */
addr &= ~(0x10000 - 1);
- gd->tlb_addr = addr;
- debug("TLB table at: %08lx\n", addr);
+ gd->arch.tlb_addr = addr;
+ debug("TLB table from %08lx to %08lx\n", addr, addr + gd->arch.tlb_size);
#endif
/* round down to next 4 kB limit */
}
#endif
+#ifndef CONFIG_ARM64
/* setup stackpointer for exeptions */
gd->irq_sp = addr_sp;
#ifdef CONFIG_USE_IRQ
/* 8-byte alignment for ABI compliance */
addr_sp &= ~0x07;
+#else /* CONFIG_ARM64 */
+ /* 16-byte alignment for ABI compliance */
+ addr_sp &= ~0x0f;
+#endif /* CONFIG_ARM64 */
#else
addr_sp += 128; /* leave 32 words for abort-stack */
gd->irq_sp = addr_sp;
post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif
- gd->bd->bi_baudrate = gd->baudrate;
/* Ram ist board specific, so move it to board code ... */
dram_init_banksize();
display_dram_config(); /* and display it */
gd->relocaddr = addr;
gd->start_addr_sp = addr_sp;
- gd->reloc_off = addr - _TEXT_BASE;
+ gd->reloc_off = addr - (ulong)&_start;
debug("relocation Offset is: %08lx\n", gd->reloc_off);
if (new_fdt) {
memcpy(new_fdt, gd->fdt_blob, fdt_size);
gd->fdt_blob = new_fdt;
}
memcpy(id, (void *)gd, sizeof(gd_t));
-
- relocate_code(addr_sp, id, addr);
-
- /* NOTREACHED - relocate_code() does not return */
}
#if !defined(CONFIG_SYS_NO_FLASH)
#endif
/*
- ************************************************************************
+ * Tell if it's OK to load the environment early in boot.
+ *
+ * If CONFIG_OF_CONFIG is defined, we'll check with the FDT to see
+ * if this is OK (defaulting to saying it's not OK).
+ *
+ * NOTE: Loading the environment early can be a bad idea if security is
+ * important, since no verification is done on the environment.
+ *
+ * @return 0 if environment should not be loaded, !=0 if it is ok to load
+ */
+static int should_load_env(void)
+{
+#ifdef CONFIG_OF_CONTROL
+ return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1);
+#elif defined CONFIG_DELAY_ENVIRONMENT
+ return 0;
+#else
+ return 1;
+#endif
+}
+
+#if defined(CONFIG_DISPLAY_BOARDINFO_LATE) && defined(CONFIG_OF_CONTROL)
+static void display_fdt_model(const void *blob)
+{
+ const char *model;
+
+ model = (char *)fdt_getprop(blob, 0, "model", NULL);
+ printf("Model: %s\n", model ? model : "<unknown>");
+}
+#endif
+
+/************************************************************************
*
* This is the next part if the initialization sequence: we are now
* running from RAM and have a "normal" C environment, i. e. global
ulong flash_size;
#endif
- gd = id;
-
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
- monitor_flash_len = _end_ofs;
+ monitor_flash_len = (ulong)&__rel_dyn_end - (ulong)_start;
/* Enable caches */
enable_caches();
#endif
#ifdef CONFIG_GENERIC_MMC
- puts("MMC: ");
- mmc_initialize(gd->bd);
+ puts("MMC: ");
+ mmc_initialize(gd->bd);
+#endif
+
+#ifdef CONFIG_CMD_SCSI
+ puts("SCSI: ");
+ scsi_init();
#endif
#ifdef CONFIG_HAS_DATAFLASH
#endif
/* initialize environment */
- env_relocate();
+ if (should_load_env())
+ env_relocate();
+ else
+ set_default_env(NULL);
#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
arm_pci_init();
console_init_r(); /* fully init console as a device */
+#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
+# ifdef CONFIG_OF_CONTROL
+ /* Put this here so it appears on the LCD, now it is ready */
+ display_fdt_model(gd->fdt_blob);
+# else
+ checkboard();
+# endif
+#endif
+
#if defined(CONFIG_ARCH_MISC_INIT)
/* miscellaneous arch dependent initialisations */
arch_misc_init();
/* NOTREACHED - no way out of command loop except booting */
}
-
-void hang(void)
-{
- puts("### ERROR ### Please RESET the board ###\n");
- for (;;);
-}
projects / karo-tx-uboot.git / blobdiff