+++ /dev/null
-/*
- * (C) Copyright 2000-2010
- * 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
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <command.h>
-#include <malloc.h>
-#include <stdio_dev.h>
-#ifdef CONFIG_8xx
-#include <mpc8xx.h>
-#endif
-#ifdef CONFIG_5xx
-#include <mpc5xx.h>
-#endif
-#ifdef CONFIG_MPC5xxx
-#include <mpc5xxx.h>
-#endif
-#if defined(CONFIG_CMD_IDE)
-#include <ide.h>
-#endif
-#if defined(CONFIG_CMD_SCSI)
-#include <scsi.h>
-#endif
-#if defined(CONFIG_CMD_KGDB)
-#include <kgdb.h>
-#endif
-#ifdef CONFIG_STATUS_LED
-#include <status_led.h>
-#endif
-#include <net.h>
-#ifdef CONFIG_GENERIC_MMC
-#include <mmc.h>
-#endif
-#include <serial.h>
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-#if !defined(CONFIG_CPM2)
-#include <commproc.h>
-#endif
-#endif
-#include <version.h>
-#if defined(CONFIG_BAB7xx)
-#include <w83c553f.h>
-#endif
-#include <dtt.h>
-#if defined(CONFIG_POST)
-#include <post.h>
-#endif
-#if defined(CONFIG_LOGBUFFER)
-#include <logbuff.h>
-#endif
-#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
-#include <asm/cache.h>
-#endif
-#ifdef CONFIG_PS2KBD
-#include <keyboard.h>
-#endif
-
-#ifdef CONFIG_ADDR_MAP
-#include <asm/mmu.h>
-#endif
-
-#ifdef CONFIG_MP
-#include <asm/mp.h>
-#endif
-
-#ifdef CONFIG_BITBANGMII
-#include <miiphy.h>
-#endif
-
-#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
-extern int update_flash_size (int flash_size);
-#endif
-
-#if defined(CONFIG_SC3)
-extern void sc3_read_eeprom(void);
-#endif
-
-#if defined(CONFIG_CMD_DOC)
-void doc_init (void);
-#endif
-#if defined(CONFIG_HARD_I2C) || \
- defined(CONFIG_SOFT_I2C)
-#include <i2c.h>
-#endif
-#include <spi.h>
-#include <nand.h>
-
-static char *failed = "*** failed ***\n";
-
-#if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
-extern flash_info_t flash_info[];
-#endif
-
-#if defined(CONFIG_START_IDE)
-extern int board_start_ide(void);
-#endif
-#include <environment.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_ENV_IS_EMBEDDED)
-#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
-#elif ( ((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
-
-#if !defined(CONFIG_SYS_MEM_TOP_HIDE)
-#define CONFIG_SYS_MEM_TOP_HIDE 0
-#endif
-
-extern ulong __init_end;
-extern ulong _end;
-ulong monitor_flash_len;
-
-#if defined(CONFIG_CMD_BEDBUG)
-#include <bedbug/type.h>
-#endif
-
-/************************************************************************
- * Utilities *
- ************************************************************************
- */
-
-/*
- * All attempts to come up with a "common" initialization sequence
- * that works for all boards and architectures failed: some of the
- * requirements are just _too_ different. To get rid of the resulting
- * mess of board dependend #ifdef'ed code we now make the whole
- * initialization sequence configurable to the user.
- *
- * The requirements for any new initalization function is simple: it
- * receives a pointer to the "global data" structure as it's only
- * 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);
-
-/************************************************************************
- * Init Utilities *
- ************************************************************************
- * Some of this code should be moved into the core functions,
- * but let's get it working (again) first...
- */
-
-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);
-}
-
-/***********************************************************************/
-
-void __board_add_ram_info(int use_default)
-{
- /* please define platform specific board_add_ram_info() */
-}
-void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
-
-
-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: ");
-
- if ((gd->ram_size = initdram (board_type)) > 0) {
- print_size (gd->ram_size, "");
- board_add_ram_info(0);
- putc('\n');
- return (0);
- }
- puts (failed);
- return (1);
-}
-
-/***********************************************************************/
-
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
-static int init_func_i2c (void)
-{
- puts ("I2C: ");
- i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
- puts ("ready\n");
- return (0);
-}
-#endif
-
-#if defined(CONFIG_HARD_SPI)
-static int init_func_spi (void)
-{
- puts ("SPI: ");
- spi_init ();
- puts ("ready\n");
- return (0);
-}
-#endif
-
-/***********************************************************************/
-
-#if defined(CONFIG_WATCHDOG)
-static int init_func_watchdog_init (void)
-{
- puts (" Watchdog enabled\n");
- WATCHDOG_RESET ();
- return (0);
-}
-# define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
-
-static int init_func_watchdog_reset (void)
-{
- WATCHDOG_RESET ();
- return (0);
-}
-# define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
-#else
-# define INIT_FUNC_WATCHDOG_INIT /* undef */
-# define INIT_FUNC_WATCHDOG_RESET /* undef */
-#endif /* CONFIG_WATCHDOG */
-
-/************************************************************************
- * Initialization sequence *
- ************************************************************************
- */
-
-init_fnc_t *init_sequence[] = {
-#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
- probecpu,
-#endif
-#if defined(CONFIG_BOARD_EARLY_INIT_F)
- board_early_init_f,
-#endif
-#if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
- get_clocks, /* get CPU and bus clocks (etc.) */
-#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
- && !defined(CONFIG_TQM885D)
- adjust_sdram_tbs_8xx,
-#endif
- init_timebase,
-#endif
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-#if !defined(CONFIG_CPM2)
- dpram_init,
-#endif
-#endif
-#if defined(CONFIG_BOARD_POSTCLK_INIT)
- board_postclk_init,
-#endif
- env_init,
-#if defined(CONFIG_8xx_CPUCLK_DEFAULT)
- get_clocks_866, /* get CPU and bus clocks according to the environment variable */
- sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
- init_timebase,
-#endif
- init_baudrate,
- serial_init,
- console_init_f,
- display_options,
-#if defined(CONFIG_8260)
- prt_8260_rsr,
- prt_8260_clks,
-#endif /* CONFIG_8260 */
-#if defined(CONFIG_MPC83xx)
- prt_83xx_rsr,
-#endif
- checkcpu,
-#if defined(CONFIG_MPC5xxx)
- prt_mpc5xxx_clks,
-#endif /* CONFIG_MPC5xxx */
-#if defined(CONFIG_MPC8220)
- prt_mpc8220_clks,
-#endif
- checkboard,
- INIT_FUNC_WATCHDOG_INIT
-#if defined(CONFIG_MISC_INIT_F)
- misc_init_f,
-#endif
- INIT_FUNC_WATCHDOG_RESET
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
- init_func_i2c,
-#endif
-#if defined(CONFIG_HARD_SPI)
- init_func_spi,
-#endif
-#ifdef CONFIG_POST
- post_init_f,
-#endif
- INIT_FUNC_WATCHDOG_RESET
- init_func_ram,
-#if defined(CONFIG_SYS_DRAM_TEST)
- testdram,
-#endif /* CONFIG_SYS_DRAM_TEST */
- INIT_FUNC_WATCHDOG_RESET
-
- NULL, /* Terminate this list */
-};
-
-ulong get_effective_memsize(void)
-{
-#ifndef CONFIG_VERY_BIG_RAM
- return gd->ram_size;
-#else
- /* limit stack to what we can reasonable map */
- return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
- CONFIG_MAX_MEM_MAPPED : gd->ram_size);
-#endif
-}
-
-/************************************************************************
- *
- * This is the first part of the initialization sequence that is
- * implemented in C, but still running from ROM.
- *
- * The main purpose is to provide a (serial) console interface as
- * soon as possible (so we can see any error messages), and to
- * initialize the RAM so that we can relocate the monitor code to
- * RAM.
- *
- * Be aware of the restrictions: global data is read-only, BSS is not
- * initialized, and stack space is limited to a few kB.
- *
- ************************************************************************
- */
-
-#ifdef CONFIG_LOGBUFFER
-unsigned long logbuffer_base(void)
-{
- return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
-}
-#endif
-
-void board_init_f (ulong bootflag)
-{
- bd_t *bd;
- ulong len, addr, addr_sp;
- ulong *s;
- gd_t *id;
- init_fnc_t **init_fnc_ptr;
-#ifdef CONFIG_PRAM
- int i;
- ulong reg;
- uchar tmp[64]; /* long enough for environment variables */
-#endif
-
- /* Pointer is writable since we allocated a register for it */
- gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
- /* compiler optimization barrier needed for GCC >= 3.4 */
- __asm__ __volatile__("": : :"memory");
-
-#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
- !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
- !defined(CONFIG_MPC86xx)
- /* Clear initial global data */
- memset ((void *) gd, 0, sizeof (gd_t));
-#endif
-
- for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
- if ((*init_fnc_ptr) () != 0) {
- hang ();
- }
- }
-
- /*
- * Now that we have DRAM mapped and working, we can
- * relocate the code and continue running from DRAM.
- *
- * Reserve memory at end of RAM for (top down in that order):
- * - area that won't get touched by U-Boot and Linux (optional)
- * - kernel log buffer
- * - protected RAM
- * - LCD framebuffer
- * - monitor code
- * - board info struct
- */
- len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
-
- /*
- * Subtract specified amount of memory to hide so that it won't
- * get "touched" at all by U-Boot. By fixing up gd->ram_size
- * the Linux kernel should now get passed the now "corrected"
- * memory size and won't touch it either. This should work
- * for arch/ppc and arch/powerpc. Only Linux board ports in
- * arch/powerpc with bootwrapper support, that recalculate the
- * memory size from the SDRAM controller setup will have to
- * get fixed.
- */
- gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
-
- addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
-
-#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
- /*
- * We need to make sure the location we intend to put secondary core
- * boot code is reserved and not used by any part of u-boot
- */
- if (addr > determine_mp_bootpg()) {
- addr = determine_mp_bootpg();
- debug ("Reserving MP boot page to %08lx\n", addr);
- }
-#endif
-
-#ifdef CONFIG_LOGBUFFER
-#ifndef CONFIG_ALT_LB_ADDR
- /* reserve kernel log buffer */
- addr -= (LOGBUFF_RESERVE);
- debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
-#endif
-#endif
-
-#ifdef CONFIG_PRAM
- /*
- * reserve protected RAM
- */
- i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
- reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
- addr -= (reg << 10); /* size is in kB */
- debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
-#endif /* CONFIG_PRAM */
-
- /* round down to next 4 kB limit */
- addr &= ~(4096 - 1);
- debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
-
-#ifdef CONFIG_LCD
- /* reserve memory for LCD display (always full pages) */
- addr = lcd_setmem (addr);
- gd->fb_base = addr;
-#endif /* CONFIG_LCD */
-
-#if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
- /* reserve memory for video display (always full pages) */
- addr = video_setmem (addr);
- gd->fb_base = addr;
-#endif /* CONFIG_VIDEO */
-
- /*
- * reserve memory for U-Boot code, data & bss
- * round down to next 4 kB limit
- */
- addr -= len;
- addr &= ~(4096 - 1);
-#ifdef CONFIG_E500
- /* round down to next 64 kB limit so that IVPR stays aligned */
- addr &= ~(65536 - 1);
-#endif
-
- 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",
- TOTAL_MALLOC_LEN >> 10, addr_sp);
-
- /*
- * (permanently) allocate a Board Info struct
- * and a permanent copy of the "global" data
- */
- addr_sp -= sizeof (bd_t);
- bd = (bd_t *) addr_sp;
- gd->bd = bd;
- 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);
-
- /*
- * Finally, we set up a new (bigger) stack.
- *
- * Leave some safety gap for SP, force alignment on 16 byte boundary
- * Clear initial stack frame
- */
- addr_sp -= 16;
- addr_sp &= ~0xF;
- s = (ulong *)addr_sp;
- *s-- = 0;
- *s-- = 0;
- addr_sp = (ulong)s;
- 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 */
-
-#ifdef CONFIG_IP860
- bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
- bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
-#elif defined CONFIG_MPC8220
- bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
- bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
-#else
- bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
- bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
-#endif
-
-#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
- defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
- bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
-#endif
-#if defined(CONFIG_MPC5xxx)
- bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
-#endif
-#if defined(CONFIG_MPC83xx)
- bd->bi_immrbar = CONFIG_SYS_IMMR;
-#endif
-#if defined(CONFIG_MPC8220)
- bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
- bd->bi_inpfreq = gd->inp_clk;
- bd->bi_pcifreq = gd->pci_clk;
- bd->bi_vcofreq = gd->vco_clk;
- bd->bi_pevfreq = gd->pev_clk;
- bd->bi_flbfreq = gd->flb_clk;
-
- /* store bootparam to sram (backward compatible), here? */
- {
- u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
- *sram++ = gd->ram_size;
- *sram++ = gd->bus_clk;
- *sram++ = gd->inp_clk;
- *sram++ = gd->cpu_clk;
- *sram++ = gd->vco_clk;
- *sram++ = gd->flb_clk;
- *sram++ = 0xb8c3ba11; /* boot signature */
- }
-#endif
-
- bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
-
- WATCHDOG_RESET ();
- bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
- bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
-#if defined(CONFIG_CPM2)
- bd->bi_cpmfreq = gd->cpm_clk;
- bd->bi_brgfreq = gd->brg_clk;
- bd->bi_sccfreq = gd->scc_clk;
- bd->bi_vco = gd->vco_out;
-#endif /* CONFIG_CPM2 */
-#if defined(CONFIG_MPC512X)
- bd->bi_ipsfreq = gd->ips_clk;
-#endif /* CONFIG_MPC512X */
-#if defined(CONFIG_MPC5xxx)
- bd->bi_ipbfreq = gd->ipb_clk;
- bd->bi_pcifreq = gd->pci_clk;
-#endif /* CONFIG_MPC5xxx */
- bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
-
-#ifdef CONFIG_SYS_EXTBDINFO
- strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
- strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
-
- bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
- bd->bi_plb_busfreq = gd->bus_clk;
-#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
- defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
- defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
- bd->bi_pci_busfreq = get_PCI_freq ();
- bd->bi_opbfreq = get_OPB_freq ();
-#elif defined(CONFIG_XILINX_405)
- bd->bi_pci_busfreq = get_PCI_freq ();
-#endif
-#endif
-
- debug ("New Stack Pointer is: %08lx\n", addr_sp);
-
- WATCHDOG_RESET ();
-
-#ifdef CONFIG_POST
- post_bootmode_init();
- post_run (NULL, POST_ROM | post_bootmode_get(0));
-#endif
-
- WATCHDOG_RESET();
-
- gd->relocaddr = addr; /* Record relocation address, useful for debug */
-
- memcpy (id, (void *)gd, sizeof (gd_t));
-
- 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)
-{
- char *s;
- bd_t *bd;
- ulong malloc_start;
-
-#ifndef CONFIG_SYS_NO_FLASH
- ulong flash_size;
-#endif
-
- gd = id; /* initialize RAM version of global data */
- bd = gd->bd;
-
- gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
-
- /* The Malloc area is immediately below the monitor copy in DRAM */
- malloc_start = dest_addr - TOTAL_MALLOC_LEN;
-
-#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
- /*
- * The gd->cpu pointer is set to an address in flash before relocation.
- * We need to update it to point to the same CPU entry in RAM.
- */
- gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE;
-#endif
-
-#ifdef CONFIG_SERIAL_MULTI
- serial_initialize();
-#endif
-
- debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
-
- WATCHDOG_RESET ();
-
- /*
- * Setup trap handlers
- */
- trap_init (dest_addr);
-
-#ifdef CONFIG_ADDR_MAP
- init_addr_map();
-#endif
-
-#if defined(CONFIG_BOARD_EARLY_INIT_R)
- board_early_init_r ();
-#endif
-
- monitor_flash_len = (ulong)&__init_end - dest_addr;
-
- WATCHDOG_RESET ();
-
-#ifdef CONFIG_LOGBUFFER
- logbuff_init_ptrs ();
-#endif
-#ifdef CONFIG_POST
- post_output_backlog ();
-#endif
-
- WATCHDOG_RESET();
-
-#if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83xx)
- icache_enable (); /* it's time to enable the instruction cache */
-#endif
-
-#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
- unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
-#endif
-
-#if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
- /*
- * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
- * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
- * bridge there.
- */
- pci_init ();
-#endif
-#if defined(CONFIG_BAB7xx)
- /*
- * Initialise the ISA bridge
- */
- initialise_w83c553f ();
-#endif
-
- asm ("sync ; isync");
-
- mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
-
-#if !defined(CONFIG_SYS_NO_FLASH)
- puts ("FLASH: ");
-
- if ((flash_size = flash_init ()) > 0) {
-# ifdef CONFIG_SYS_FLASH_CHECKSUM
- print_size (flash_size, "");
- /*
- * Compute and print flash CRC if flashchecksum is set to 'y'
- *
- * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
- */
- s = getenv ("flashchecksum");
- if (s && (*s == 'y')) {
- printf (" CRC: %08X",
- crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
- );
- }
- putc ('\n');
-# else /* !CONFIG_SYS_FLASH_CHECKSUM */
- print_size (flash_size, "\n");
-# endif /* CONFIG_SYS_FLASH_CHECKSUM */
- } else {
- puts (failed);
- hang ();
- }
-
- bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
- bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
-
-#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
- /* Make a update of the Memctrl. */
- update_flash_size (flash_size);
-#endif
-
-
-# if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
- /* flash mapped at end of memory map */
- bd->bi_flashoffset = TEXT_BASE + flash_size;
-# elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
- bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
-# else
- bd->bi_flashoffset = 0;
-# endif
-#else /* CONFIG_SYS_NO_FLASH */
-
- bd->bi_flashsize = 0;
- bd->bi_flashstart = 0;
- bd->bi_flashoffset = 0;
-#endif /* !CONFIG_SYS_NO_FLASH */
-
- WATCHDOG_RESET ();
-
- /* initialize higher level parts of CPU like time base and timers */
- cpu_init_r ();
-
- WATCHDOG_RESET ();
-
-#ifdef CONFIG_SPI
-# if !defined(CONFIG_ENV_IS_IN_EEPROM)
- spi_init_f ();
-# endif
- spi_init_r ();
-#endif
-
-#if defined(CONFIG_CMD_NAND)
- WATCHDOG_RESET ();
- puts ("NAND: ");
- nand_init(); /* go init the NAND */
-#endif
-
- /* relocate environment function pointers etc. */
- env_relocate ();
-
- /*
- * Fill in missing fields of bd_info.
- * We do this here, where we have "normal" access to the
- * environment; we used to do this still running from ROM,
- * where had to use getenv_r(), which can be pretty slow when
- * the environment is in EEPROM.
- */
-
-#if defined(CONFIG_SYS_EXTBDINFO)
-#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
-#if defined(CONFIG_I2CFAST)
- /*
- * set bi_iic_fast for linux taking environment variable
- * "i2cfast" into account
- */
- {
- char *s = getenv ("i2cfast");
- if (s && ((*s == 'y') || (*s == 'Y'))) {
- bd->bi_iic_fast[0] = 1;
- bd->bi_iic_fast[1] = 1;
- } else {
- bd->bi_iic_fast[0] = 0;
- bd->bi_iic_fast[1] = 0;
- }
- }
-#else
- bd->bi_iic_fast[0] = 0;
- bd->bi_iic_fast[1] = 0;
-#endif /* CONFIG_I2CFAST */
-#endif /* CONFIG_405GP, CONFIG_405EP */
-#endif /* CONFIG_SYS_EXTBDINFO */
-
-#if defined(CONFIG_SC3)
- sc3_read_eeprom();
-#endif
-
-#if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
- mac_read_from_eeprom();
-#endif
-
-#ifdef CONFIG_HERMES
- if ((gd->board_type >> 16) == 2)
- bd->bi_ethspeed = gd->board_type & 0xFFFF;
- else
- bd->bi_ethspeed = 0xFFFF;
-#endif
-
-#ifdef CONFIG_CMD_NET
- /* kept around for legacy kernels only ... ignore the next section */
- eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
-#ifdef CONFIG_HAS_ETH1
- eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
-#endif
-#ifdef CONFIG_HAS_ETH2
- eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
-#endif
-#ifdef CONFIG_HAS_ETH3
- eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
-#endif
-#ifdef CONFIG_HAS_ETH4
- eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
-#endif
-#ifdef CONFIG_HAS_ETH5
- eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
-#endif
-#endif /* CONFIG_CMD_NET */
-
- /* IP Address */
- bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
-
- WATCHDOG_RESET ();
-
-#if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
- /*
- * Do pci configuration
- */
- pci_init ();
-#endif
-
-/** leave this here (after malloc(), environment and PCI are working) **/
- /* Initialize stdio devices */
- stdio_init ();
-
- /* Initialize the jump table for applications */
- jumptable_init ();
-
-#if defined(CONFIG_API)
- /* Initialize API */
- api_init ();
-#endif
-
- /* Initialize the console (after the relocation and devices init) */
- console_init_r ();
-
-#if defined(CONFIG_MISC_INIT_R)
- /* miscellaneous platform dependent initialisations */
- misc_init_r ();
-#endif
-
-#ifdef CONFIG_HERMES
- if (bd->bi_ethspeed != 0xFFFF)
- hermes_start_lxt980 ((int) bd->bi_ethspeed);
-#endif
-
-#if defined(CONFIG_CMD_KGDB)
- WATCHDOG_RESET ();
- puts ("KGDB: ");
- kgdb_init ();
-#endif
-
- debug ("U-Boot relocated to %08lx\n", dest_addr);
-
- /*
- * Enable Interrupts
- */
- interrupt_init ();
-
- /* Must happen after interrupts are initialized since
- * an irq handler gets installed
- */
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
- serial_buffered_init();
-#endif
-
-#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
- status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
-#endif
-
- udelay (20);
-
- set_timer (0);
-
- /* 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
-
- WATCHDOG_RESET ();
-
-#if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
- dtt_init ();
-#endif
-#if defined(CONFIG_CMD_SCSI)
- WATCHDOG_RESET ();
- puts ("SCSI: ");
- scsi_init ();
-#endif
-
-#ifdef CONFIG_GENERIC_MMC
- WATCHDOG_RESET ();
- puts ("MMC: ");
- mmc_initialize (bd);
-#endif
-
-#if defined(CONFIG_CMD_DOC)
- WATCHDOG_RESET ();
- puts ("DOC: ");
- doc_init ();
-#endif
-
-#ifdef CONFIG_BITBANGMII
- bb_miiphy_init();
-#endif
-#if defined(CONFIG_CMD_NET)
-#if defined(CONFIG_NET_MULTI)
- WATCHDOG_RESET ();
- puts ("Net: ");
-#endif
- eth_initialize (bd);
-#endif
-
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
- WATCHDOG_RESET ();
- debug ("Reset Ethernet PHY\n");
- reset_phy ();
-#endif
-
-#ifdef CONFIG_POST
- post_run (NULL, POST_RAM | post_bootmode_get(0));
-#endif
-
-#if defined(CONFIG_CMD_PCMCIA) \
- && !defined(CONFIG_CMD_IDE)
- WATCHDOG_RESET ();
- puts ("PCMCIA:");
- pcmcia_init ();
-#endif
-
-#if defined(CONFIG_CMD_IDE)
- WATCHDOG_RESET ();
-# ifdef CONFIG_IDE_8xx_PCCARD
- puts ("PCMCIA:");
-# else
- puts ("IDE: ");
-#endif
-#if defined(CONFIG_START_IDE)
- if (board_start_ide())
- ide_init ();
-#else
- ide_init ();
-#endif
-#endif
-
-#ifdef CONFIG_LAST_STAGE_INIT
- WATCHDOG_RESET ();
- /*
- * Some parts can be only initialized if all others (like
- * Interrupts) are up and running (i.e. the PC-style ISA
- * keyboard).
- */
- last_stage_init ();
-#endif
-
-#if defined(CONFIG_CMD_BEDBUG)
- WATCHDOG_RESET ();
- bedbug_init ();
-#endif
-
-#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
- /*
- * Export available size of memory for Linux,
- * taking into account the protected RAM at top of memory
- */
- {
- ulong pram;
- uchar memsz[32];
-#ifdef CONFIG_PRAM
- char *s;
-
- if ((s = getenv ("pram")) != NULL) {
- pram = simple_strtoul (s, NULL, 10);
- } else {
- pram = CONFIG_PRAM;
- }
-#else
- pram=0;
-#endif
-#ifdef CONFIG_LOGBUFFER
-#ifndef CONFIG_ALT_LB_ADDR
- /* Also take the logbuffer into account (pram is in kB) */
- pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
-#endif
-#endif
- sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
- setenv ("mem", (char *)memsz);
- }
-#endif
-
-#ifdef CONFIG_PS2KBD
- puts ("PS/2: ");
- kbd_init();
-#endif
-
-#ifdef CONFIG_MODEM_SUPPORT
- {
- extern int do_mdm_init;
- do_mdm_init = gd->do_mdm_init;
- }
-#endif
-
- /* Initialization complete - start the monitor */
-
- /* main_loop() can return to retry autoboot, if so just run it again. */
- for (;;) {
- WATCHDOG_RESET ();
- main_loop ();
- }
-
- /* NOTREACHED - no way out of command loop except booting */
-}
-
-void hang (void)
-{
- puts ("### ERROR ### Please RESET the board ###\n");
- show_boot_progress(-30);
- for (;;);
-}
-
-
-#if 0 /* We could use plain global data, but the resulting code is bigger */
-/*
- * Pointer to initial global data area
- *
- * Here we initialize it.
- */
-#undef XTRN_DECLARE_GLOBAL_DATA_PTR
-#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
-DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
-#endif /* 0 */
-
-/************************************************************************/
projects / karo-tx-uboot.git / blobdiff