diff options
Diffstat (limited to 'arch/ppc/lib/board.c')
| -rw-r--r-- | arch/ppc/lib/board.c | 1084 |
1 files changed, 0 insertions, 1084 deletions
diff --git a/arch/ppc/lib/board.c b/arch/ppc/lib/board.c deleted file mode 100644 index a30acee..0000000 --- a/arch/ppc/lib/board.c +++ /dev/null @@ -1,1084 +0,0 @@ -/* - * (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 */ - -/************************************************************************/ |