* (C) Copyright 2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.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 <malloc.h>
+#include <serial.h>
#include <stdio_dev.h>
-#include <timestamp.h>
#include <version.h>
#include <net.h>
#include <environment.h>
DECLARE_GLOBAL_DATA_PTR;
-#if ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
- (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
- defined(CONFIG_ENV_IS_IN_NVRAM)
-#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
-#else
-#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
-#endif
-
-#undef DEBUG
-
-extern int timer_init(void);
-
-extern int incaip_set_cpuclk(void);
-
-extern ulong uboot_end_data;
-extern ulong uboot_end;
-
ulong monitor_flash_len;
-const char version_string[] =
- U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")";
-
static char *failed = "*** failed ***\n";
/*
* mips_io_port_base is the begin of the address space to which x86 style
* I/O ports are mapped.
*/
-unsigned long mips_io_port_base = -1;
+const unsigned long mips_io_port_base = -1;
int __board_early_init_f(void)
{
*/
return 0;
}
-int board_early_init_f(void) __attribute__((weak, alias("__board_early_init_f")));
-
+int board_early_init_f(void)
+ __attribute__((weak, alias("__board_early_init_f")));
-static int init_func_ram (void)
+static int init_func_ram(void)
{
#ifdef CONFIG_BOARD_TYPES
int board_type = gd->board_type;
#else
int board_type = 0; /* use dummy arg */
#endif
- puts ("DRAM: ");
+ puts("DRAM: ");
- if ((gd->ram_size = initdram (board_type)) > 0) {
- print_size (gd->ram_size, "\n");
- return (0);
+ gd->ram_size = initdram(board_type);
+ if (gd->ram_size > 0) {
+ print_size(gd->ram_size, "\n");
+ return 0;
}
- puts (failed);
- return (1);
+ puts(failed);
+ return 1;
}
static int display_banner(void)
{
- printf ("\n\n%s\n\n", version_string);
- return (0);
+ printf("\n\n%s\n\n", version_string);
+ return 0;
}
#ifndef CONFIG_SYS_NO_FLASH
static void display_flash_config(ulong size)
{
- puts ("Flash: ");
- print_size (size, "\n");
+ puts("Flash: ");
+ print_size(size, "\n");
}
#endif
-static int init_baudrate (void)
+static int init_baudrate(void)
{
- char tmp[64]; /* long enough for environment variables */
- int i = getenv_r ("baudrate", tmp, sizeof (tmp));
-
- gd->baudrate = (i > 0)
- ? (int) simple_strtoul (tmp, NULL, 10)
- : CONFIG_BAUDRATE;
-
- return (0);
+ gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
+ return 0;
}
* argument, and returns an integer return code, where 0 means
* "continue" and != 0 means "fatal error, hang the system".
*/
-typedef int (init_fnc_t) (void);
+typedef int (init_fnc_t)(void);
init_fnc_t *init_sequence[] = {
board_early_init_f,
timer_init,
env_init, /* initialize environment */
#ifdef CONFIG_INCA_IP
- incaip_set_cpuclk, /* set cpu clock according to environment variable */
+ incaip_set_cpuclk, /* set cpu clock according to env. variable */
#endif
- init_baudrate, /* initialze baudrate settings */
+ init_baudrate, /* initialize baudrate settings */
serial_init, /* serial communications setup */
console_init_f,
display_banner, /* say that we are here */
gd_t gd_data, *id;
bd_t *bd;
init_fnc_t **init_fnc_ptr;
- ulong addr, addr_sp, len = (ulong)&uboot_end - CONFIG_SYS_MONITOR_BASE;
+ ulong addr, addr_sp, len;
ulong *s;
-#ifdef CONFIG_PURPLE
- void copy_code (ulong);
-#endif
/* Pointer is writable since we allocated a register for it.
*/
gd = &gd_data;
/* compiler optimization barrier needed for GCC >= 3.4 */
- __asm__ __volatile__("": : :"memory");
+ __asm__ __volatile__("" : : : "memory");
- memset ((void *)gd, 0, sizeof (gd_t));
+ memset((void *)gd, 0, sizeof(gd_t));
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
- if ((*init_fnc_ptr)() != 0) {
- hang ();
- }
+ if ((*init_fnc_ptr)() != 0)
+ hang();
}
/*
/* round down to next 4 kB limit.
*/
addr &= ~(4096 - 1);
- debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
+ debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
/* Reserve memory for U-Boot code, data & bss
* round down to next 16 kB limit
*/
+ len = bss_end() - CONFIG_SYS_MONITOR_BASE;
addr -= len;
addr &= ~(16 * 1024 - 1);
- debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
+ debug("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
/* Reserve memory for malloc() arena.
*/
addr_sp = addr - TOTAL_MALLOC_LEN;
- debug ("Reserving %dk for malloc() at: %08lx\n",
+ debug("Reserving %dk for malloc() at: %08lx\n",
TOTAL_MALLOC_LEN >> 10, addr_sp);
/*
addr_sp -= sizeof(bd_t);
bd = (bd_t *)addr_sp;
gd->bd = bd;
- debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
+ debug("Reserving %zu Bytes for Board Info at: %08lx\n",
sizeof(bd_t), addr_sp);
addr_sp -= sizeof(gd_t);
id = (gd_t *)addr_sp;
- debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
- sizeof (gd_t), addr_sp);
+ debug("Reserving %zu Bytes for Global Data at: %08lx\n",
+ sizeof(gd_t), addr_sp);
/* Reserve memory for boot params.
*/
addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
bd->bi_boot_params = addr_sp;
- debug ("Reserving %dk for boot params() at: %08lx\n",
+ debug("Reserving %dk for boot params() at: %08lx\n",
CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
/*
*s-- = 0;
*s-- = 0;
addr_sp = (ulong)s;
- debug ("Stack Pointer at: %08lx\n", addr_sp);
+ debug("Stack Pointer at: %08lx\n", addr_sp);
/*
* Save local variables to board info struct
*/
- bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
- bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
+ bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM */
+ bd->bi_memsize = gd->ram_size; /* size of DRAM in bytes */
bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
- memcpy (id, (void *)gd, sizeof (gd_t));
-
- /* On the purple board we copy the code in a special way
- * in order to solve flash problems
- */
-#ifdef CONFIG_PURPLE
- copy_code(addr);
-#endif
+ memcpy(id, (void *)gd, sizeof(gd_t));
- relocate_code (addr_sp, id, addr);
+ relocate_code(addr_sp, id, addr);
/* NOTREACHED - relocate_code() does not return */
}
-/************************************************************************
- *
+
+/*
* This is the next part if the initialization sequence: we are now
* running from RAM and have a "normal" C environment, i. e. global
* data can be written, BSS has been cleared, the stack size in not
* that critical any more, etc.
- *
- ************************************************************************
*/
-void board_init_r (gd_t *id, ulong dest_addr)
+void board_init_r(gd_t *id, ulong dest_addr)
{
- cmd_tbl_t *cmdtp;
#ifndef CONFIG_SYS_NO_FLASH
ulong size;
#endif
- extern void malloc_bin_reloc (void);
-#ifndef CONFIG_ENV_IS_NOWHERE
- extern char * env_name_spec;
-#endif
- char *s;
bd_t *bd;
gd = id;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
- debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
+ debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
- monitor_flash_len = (ulong)&uboot_end_data - dest_addr;
-
- /*
- * We have to relocate the command table manually
- */
- for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
- ulong addr;
+ monitor_flash_len = image_copy_end() - dest_addr;
- addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
-#if 0
- printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
- cmdtp->name, (ulong) (cmdtp->cmd), addr);
-#endif
- cmdtp->cmd =
- (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
-
- addr = (ulong)(cmdtp->name) + gd->reloc_off;
- cmdtp->name = (char *)addr;
-
- if (cmdtp->usage) {
- addr = (ulong)(cmdtp->usage) + gd->reloc_off;
- cmdtp->usage = (char *)addr;
- }
-#ifdef CONFIG_SYS_LONGHELP
- if (cmdtp->help) {
- addr = (ulong)(cmdtp->help) + gd->reloc_off;
- cmdtp->help = (char *)addr;
- }
-#endif
- }
- /* there are some other pointer constants we must deal with */
-#ifndef CONFIG_ENV_IS_NOWHERE
- env_name_spec += gd->reloc_off;
-#endif
+ serial_initialize();
bd = gd->bd;
/* The Malloc area is immediately below the monitor copy in DRAM */
mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
- malloc_bin_reloc();
#ifndef CONFIG_SYS_NO_FLASH
/* configure available FLASH banks */
size = flash_init();
- display_flash_config (size);
+ display_flash_config(size);
+ bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
bd->bi_flashsize = size;
-#endif
- bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
bd->bi_flashoffset = monitor_flash_len; /* reserved area for U-Boot */
#else
bd->bi_flashoffset = 0;
#endif
+#else
+ bd->bi_flashstart = 0;
+ bd->bi_flashsize = 0;
+ bd->bi_flashoffset = 0;
+#endif
#ifdef CONFIG_CMD_NAND
- puts ("NAND: ");
- nand_init (); /* go init the NAND */
+ puts("NAND: ");
+ nand_init(); /* go init the NAND */
#endif
#if defined(CONFIG_CMD_ONENAND)
/* relocate environment function pointers etc. */
env_relocate();
- /* IP Address */
- bd->bi_ip_addr = getenv_IPaddr("ipaddr");
-
#if defined(CONFIG_PCI)
/*
* Do pci configuration
/** leave this here (after malloc(), environment and PCI are working) **/
/* Initialize stdio devices */
- stdio_init ();
+ stdio_init();
- jumptable_init ();
+ jumptable_init();
/* Initialize the console (after the relocation and devices init) */
- console_init_r ();
+ console_init_r();
/** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/
/* Initialize from environment */
- if ((s = getenv ("loadaddr")) != NULL) {
- load_addr = simple_strtoul (s, NULL, 16);
- }
-#if defined(CONFIG_CMD_NET)
- if ((s = getenv ("bootfile")) != NULL) {
- copy_filename (BootFile, s, sizeof (BootFile));
- }
-#endif
+ load_addr = getenv_ulong("loadaddr", 16, load_addr);
#ifdef CONFIG_CMD_SPI
- puts ("SPI: ");
- spi_init (); /* go init the SPI */
- puts ("ready\n");
+ puts("SPI: ");
+ spi_init(); /* go init the SPI */
+ puts("ready\n");
#endif
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
- misc_init_r ();
+ misc_init_r();
#endif
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
-#if defined(CONFIG_NET_MULTI)
- puts ("Net: ");
-#endif
+ puts("Net: ");
eth_initialize(gd->bd);
#endif
/* main_loop() can return to retry autoboot, if so just run it again. */
- for (;;) {
- main_loop ();
- }
+ for (;;)
+ main_loop();
/* 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