mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-11 21:56:21 +09:00
d2eaec6006
This value is not used by the network stack and is available in the global data, so stop passing it around. For the one legacy function that still expects it (init op on old Ethernet drivers) pass in the global pointer version directly to avoid changing that interface. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reported-by: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> (Trival fix to remove an unneeded variable declaration in 4xx_enet.c)
995 lines
23 KiB
C
995 lines
23 KiB
C
/*
|
|
* (C) Copyright 2000-2011
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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_SYS_I2C)
|
|
#include <i2c.h>
|
|
#endif
|
|
#include <spi.h>
|
|
#include <nand.h>
|
|
|
|
static char *failed = "*** failed ***\n";
|
|
|
|
#if defined(CONFIG_OXC) || 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_SYS_MEM_TOP_HIDE)
|
|
#define CONFIG_SYS_MEM_TOP_HIDE 0
|
|
#endif
|
|
|
|
extern ulong __init_end;
|
|
extern ulong __bss_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)
|
|
{
|
|
gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************/
|
|
|
|
static 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 __board_flash_wp_on(void)
|
|
{
|
|
/*
|
|
* Most flashes can't be detected when write protection is enabled,
|
|
* so provide a way to let U-Boot gracefully ignore write protected
|
|
* devices.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
int board_flash_wp_on(void)
|
|
__attribute__ ((weak, alias("__board_flash_wp_on")));
|
|
|
|
static void __cpu_secondary_init_r(void)
|
|
{
|
|
}
|
|
|
|
void cpu_secondary_init_r(void)
|
|
__attribute__ ((weak, alias("__cpu_secondary_init_r")));
|
|
|
|
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: ");
|
|
|
|
gd->ram_size = initdram(board_type);
|
|
|
|
if (gd->ram_size > 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_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;
|
|
}
|
|
#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)
|
|
int init_func_watchdog_init(void)
|
|
{
|
|
#if defined(CONFIG_MPC85xx)
|
|
init_85xx_watchdog();
|
|
#endif
|
|
puts(" Watchdog enabled\n");
|
|
WATCHDOG_RESET();
|
|
return 0;
|
|
}
|
|
|
|
int init_func_watchdog_reset(void)
|
|
{
|
|
WATCHDOG_RESET();
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_WATCHDOG */
|
|
|
|
/*
|
|
* Initialization sequence
|
|
*/
|
|
|
|
static 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 CPU and bus clocks according to the environment variable */
|
|
get_clocks_866,
|
|
/* adjust sdram refresh rate according to the new clock */
|
|
sdram_adjust_866,
|
|
init_timebase,
|
|
#endif
|
|
init_baudrate,
|
|
serial_init,
|
|
console_init_f,
|
|
display_options,
|
|
#if defined(CONFIG_MPC8260)
|
|
prt_8260_rsr,
|
|
prt_8260_clks,
|
|
#endif /* CONFIG_MPC8260 */
|
|
#if defined(CONFIG_MPC83xx)
|
|
prt_83xx_rsr,
|
|
#endif
|
|
checkcpu,
|
|
#if defined(CONFIG_MPC5xxx)
|
|
prt_mpc5xxx_clks,
|
|
#endif /* CONFIG_MPC5xxx */
|
|
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_SYS_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 */
|
|
};
|
|
|
|
static int __fixup_cpu(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int fixup_cpu(void) __attribute__((weak, alias("__fixup_cpu")));
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
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
|
|
ulong reg;
|
|
#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
|
|
|
|
gd->flags = bootflag;
|
|
|
|
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr)
|
|
if ((*init_fnc_ptr) () != 0)
|
|
hang();
|
|
|
|
#ifdef CONFIG_POST
|
|
post_bootmode_init();
|
|
post_run(NULL, POST_ROM | post_bootmode_get(NULL));
|
|
#endif
|
|
|
|
WATCHDOG_RESET();
|
|
|
|
/*
|
|
* 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)&__bss_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(NULL)) {
|
|
addr = determine_mp_bootpg(NULL);
|
|
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
|
|
*/
|
|
reg = getenv_ulong("pram", 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
|
|
#ifdef CONFIG_FB_ADDR
|
|
gd->fb_base = CONFIG_FB_ADDR;
|
|
#else
|
|
/* reserve memory for LCD display (always full pages) */
|
|
addr = lcd_setmem(addr);
|
|
gd->fb_base = addr;
|
|
#endif /* CONFIG_FB_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;
|
|
memset(bd, 0, sizeof(bd_t));
|
|
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; /* Terminate back chain */
|
|
*++s = 0; /* NULL return address */
|
|
debug("Stack Pointer at: %08lx\n", addr_sp);
|
|
|
|
/*
|
|
* Save local variables to board info struct
|
|
*/
|
|
|
|
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */
|
|
bd->bi_memsize = gd->ram_size; /* size in bytes */
|
|
|
|
#ifdef CONFIG_SYS_SRAM_BASE
|
|
bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */
|
|
bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */
|
|
#endif
|
|
|
|
#if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || 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
|
|
|
|
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->arch.cpm_clk;
|
|
bd->bi_brgfreq = gd->arch.brg_clk;
|
|
bd->bi_sccfreq = gd->arch.scc_clk;
|
|
bd->bi_vco = gd->arch.vco_out;
|
|
#endif /* CONFIG_CPM2 */
|
|
#if defined(CONFIG_MPC512X)
|
|
bd->bi_ipsfreq = gd->arch.ips_clk;
|
|
#endif /* CONFIG_MPC512X */
|
|
#if defined(CONFIG_MPC5xxx)
|
|
bd->bi_ipbfreq = gd->arch.ipb_clk;
|
|
bd->bi_pcifreq = gd->pci_clk;
|
|
#endif /* CONFIG_MPC5xxx */
|
|
|
|
#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();
|
|
|
|
gd->relocaddr = addr; /* Store relocation addr, 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)
|
|
{
|
|
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->arch.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->arch.cpu += dest_addr - CONFIG_SYS_MONITOR_BASE;
|
|
|
|
/*
|
|
* If we didn't know the cpu mask & # cores, we can save them of
|
|
* now rather than 'computing' them constantly
|
|
*/
|
|
fixup_cpu();
|
|
#endif
|
|
|
|
#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
|
|
/*
|
|
* Some systems need to relocate the env_addr pointer early because the
|
|
* location it points to will get invalidated before env_relocate is
|
|
* called. One example is on systems that might use a L2 or L3 cache
|
|
* in SRAM mode and initialize that cache from SRAM mode back to being
|
|
* a cache in cpu_init_r.
|
|
*/
|
|
gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE;
|
|
#endif
|
|
|
|
serial_initialize();
|
|
|
|
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)
|
|
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_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
|
|
/*
|
|
* Do early PCI configuration _before_ the flash gets initialised,
|
|
* because PCU ressources are crucial for flash access on some boards.
|
|
*/
|
|
pci_init();
|
|
#endif
|
|
#if defined(CONFIG_WINBOND_83C553)
|
|
/*
|
|
* 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 (board_flash_wp_on()) {
|
|
printf("Uninitialized - Write Protect On\n");
|
|
/* Since WP is on, we can't find real size. Set to 0 */
|
|
flash_size = 0;
|
|
} else 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
|
|
*/
|
|
if (getenv_yesno("flashchecksum") == 1) {
|
|
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();
|
|
}
|
|
|
|
/* update start of FLASH memory */
|
|
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
|
|
/* size of FLASH memory (final value) */
|
|
bd->bi_flashsize = flash_size;
|
|
|
|
#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
|
|
/* Make a update of the Memctrl. */
|
|
update_flash_size(flash_size);
|
|
#endif
|
|
|
|
|
|
#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
|
|
/* flash mapped at end of memory map */
|
|
bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
|
|
#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
|
|
bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
|
|
#endif
|
|
#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
|
|
|
|
#ifdef CONFIG_GENERIC_MMC
|
|
/*
|
|
* MMC initialization is called before relocating env.
|
|
* Thus It is required that operations like pin multiplexer
|
|
* be put in board_init.
|
|
*/
|
|
WATCHDOG_RESET();
|
|
puts("MMC: ");
|
|
mmc_initialize(bd);
|
|
#endif
|
|
|
|
/* relocate environment function pointers etc. */
|
|
env_relocate();
|
|
|
|
/*
|
|
* after non-volatile devices & environment is setup and cpu code have
|
|
* another round to deal with any initialization that might require
|
|
* full access to the environment or loading of some image (firmware)
|
|
* from a non-volatile device
|
|
*/
|
|
cpu_secondary_init_r();
|
|
|
|
/*
|
|
* 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_f(), 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
|
|
*/
|
|
{
|
|
if (getenv_yesno("i2cfast") == 1) {
|
|
bd->bi_iic_fast[0] = 1;
|
|
bd->bi_iic_fast[1] = 1;
|
|
}
|
|
}
|
|
#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_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 */
|
|
|
|
WATCHDOG_RESET();
|
|
|
|
#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
|
|
/*
|
|
* 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
|
|
|
|
#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();
|
|
|
|
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
|
|
status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
|
|
#endif
|
|
|
|
udelay(20);
|
|
|
|
/* Initialize from environment */
|
|
load_addr = getenv_ulong("loadaddr", 16, load_addr);
|
|
|
|
WATCHDOG_RESET();
|
|
|
|
#if defined(CONFIG_CMD_SCSI)
|
|
WATCHDOG_RESET();
|
|
puts("SCSI: ");
|
|
scsi_init();
|
|
#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)
|
|
WATCHDOG_RESET();
|
|
puts("Net: ");
|
|
eth_initialize();
|
|
#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 = 0;
|
|
char memsz[32];
|
|
|
|
#ifdef CONFIG_PRAM
|
|
pram = getenv_ulong("pram", 10, CONFIG_PRAM);
|
|
#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(memsz, "%ldk", (ulong) (bd->bi_memsize / 1024) - pram);
|
|
setenv("mem", memsz);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PS2KBD
|
|
puts("PS/2: ");
|
|
kbd_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 */
|
|
}
|
|
|
|
#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 */
|
|
|
|
/************************************************************************/
|