[U-Boot] [RFC PATCH 09/19] arm: Remove unused code in board.c, global_data.h
Simon Glass
sjg at chromium.org
Wed Dec 28 07:35:50 CET 2011
Now that ARM uses the generic board, we don't need this code.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
arch/arm/include/asm/global_data.h | 81 -----
arch/arm/lib/Makefile | 2 -
arch/arm/lib/board.c | 622 +-----------------------------------
3 files changed, 9 insertions(+), 696 deletions(-)
diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h
index e31e06a..0251aad 100644
--- a/arch/arm/include/asm/global_data.h
+++ b/arch/arm/include/asm/global_data.h
@@ -24,88 +24,7 @@
#ifndef __ASM_GBL_DATA_H
#define __ASM_GBL_DATA_H
-#ifndef CONFIG_SYS_LEGACY_BOARD
-
/* Use the generic board which requires a unified global_data */
#include <asm-generic/global_data.h>
-#else
-/*
- * The following data structure is placed in some memory which is
- * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
- * some locked parts of the data cache) to allow for a minimum set of
- * global variables during system initialization (until we have set
- * up the memory controller so that we can use RAM).
- *
- * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
- */
-
-typedef struct global_data {
- bd_t *bd;
- unsigned long flags;
- unsigned long baudrate;
- unsigned long have_console; /* serial_init() was called */
-#ifdef CONFIG_PRE_CONSOLE_BUFFER
- unsigned long precon_buf_idx; /* Pre-Console buffer index */
-#endif
- unsigned long env_addr; /* Address of Environment struct */
- unsigned long env_valid; /* Checksum of Environment valid? */
- unsigned long fb_base; /* base address of frame buffer */
-#ifdef CONFIG_FSL_ESDHC
- unsigned long sdhc_clk;
-#endif
-#ifdef CONFIG_AT91FAMILY
- /* "static data" needed by at91's clock.c */
- unsigned long cpu_clk_rate_hz;
- unsigned long main_clk_rate_hz;
- unsigned long mck_rate_hz;
- unsigned long plla_rate_hz;
- unsigned long pllb_rate_hz;
- unsigned long at91_pllb_usb_init;
-#endif
-#ifdef CONFIG_ARM
- /* "static data" needed by most of timer.c on ARM platforms */
- unsigned long timer_rate_hz;
- unsigned long tbl;
- unsigned long tbu;
- unsigned long long timer_reset_value;
- unsigned long lastinc;
-#endif
-#ifdef CONFIG_IXP425
- unsigned long timestamp;
-#endif
- unsigned long relocaddr; /* Start address of U-Boot in RAM */
- phys_size_t ram_size; /* RAM size */
- unsigned long mon_len; /* monitor len */
- unsigned long irq_sp; /* irq stack pointer */
- unsigned long start_addr_sp; /* start_addr_stackpointer */
- unsigned long reloc_off;
-#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
- unsigned long tlb_addr;
-#endif
- const void *fdt_blob; /* Our device tree, NULL if none */
- void **jt; /* jump table */
- char env_buf[32]; /* buffer for getenv() before reloc. */
-#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
- unsigned long post_log_word; /* Record POST activities */
- unsigned long post_log_res; /* success of POST test */
- unsigned long post_init_f_time; /* When post_init_f started */
-#endif
-} gd_t;
-
-/*
- * Global Data Flags
- */
-#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
-#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
-#define GD_FLG_SILENT 0x00004 /* Silent mode */
-#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
-#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
-#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
-#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
-#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
-
-#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8")
-#endif /* CONFIG_SYS_LEGACY_BOARD */
-
#endif /* __ASM_GBL_DATA_H */
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index fd3b331..213c76f 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -37,9 +37,7 @@ GLSOBJS += _umodsi3.o
GLCOBJS += div0.o
-ifeq ($(CONFIG_SYS_LEGACY_BOARD),y)
COBJS-y += board.o
-endif
COBJS-y += bootm.o
COBJS-y += cache.o
COBJS-y += cache-cp15.o
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index bf1bf79..71018e0 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -1,4 +1,6 @@
/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
* (C) Copyright 2002-2006
* Wolfgang Denk, DENX Software Engineering, wd at denx.de.
*
@@ -26,619 +28,13 @@
*/
/*
- * To match the U-Boot user interface on ARM platforms to the U-Boot
- * standard (as on PPC platforms), some messages with debug character
- * are removed from the default U-Boot build.
+ * This file is currently unused, since ARM now uses the generic board
+ * implementation in common/board_f.c and common/board_r.c. If you are
+ * missing something, take a look there instead.
*
- * Define DEBUG here if you want additional info as shown below
- * printed upon startup:
+ * You may in principle add functions here that are truly ARM-specific.
+ * This file could also be used to hold the initcall arrays, if it turns
+ * out that the differences for ARM are large enough to justify it.
*
- * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274
- * IRQ Stack: 00ebff7c
- * FIQ Stack: 00ebef7c
- */
-
-#include <common.h>
-#include <command.h>
-#include <malloc.h>
-#include <reloc.h>
-#include <stdio_dev.h>
-#include <version.h>
-#include <net.h>
-#include <serial.h>
-#include <nand.h>
-#include <onenand_uboot.h>
-#include <mmc.h>
-#include <libfdt.h>
-#include <fdtdec.h>
-#include <post.h>
-#include <logbuff.h>
-
-#ifdef CONFIG_BITBANGMII
-#include <miiphy.h>
-#endif
-
-#ifdef CONFIG_DRIVER_SMC91111
-#include "../drivers/net/smc91111.h"
-#endif
-#ifdef CONFIG_DRIVER_LAN91C96
-#include "../drivers/net/lan91c96.h"
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-ulong monitor_flash_len;
-
-#ifdef CONFIG_HAS_DATAFLASH
-extern int AT91F_DataflashInit(void);
-extern void dataflash_print_info(void);
-#endif
-
-#if defined(CONFIG_HARD_I2C) || \
- defined(CONFIG_SOFT_I2C)
-#include <i2c.h>
-#endif
-
-/************************************************************************
- * Coloured LED functionality
- ************************************************************************
- * May be supplied by boards if desired
- */
-inline void __coloured_LED_init(void) {}
-void coloured_LED_init(void)
- __attribute__((weak, alias("__coloured_LED_init")));
-inline void __red_led_on(void) {}
-void red_led_on(void) __attribute__((weak, alias("__red_led_on")));
-inline void __red_led_off(void) {}
-void red_led_off(void) __attribute__((weak, alias("__red_led_off")));
-inline void __green_led_on(void) {}
-void green_led_on(void) __attribute__((weak, alias("__green_led_on")));
-inline void __green_led_off(void) {}
-void green_led_off(void) __attribute__((weak, alias("__green_led_off")));
-inline void __yellow_led_on(void) {}
-void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on")));
-inline void __yellow_led_off(void) {}
-void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off")));
-inline void __blue_led_on(void) {}
-void blue_led_on(void) __attribute__((weak, alias("__blue_led_on")));
-inline void __blue_led_off(void) {}
-void blue_led_off(void) __attribute__((weak, alias("__blue_led_off")));
-
-/*
- ************************************************************************
- * Init Utilities *
- ************************************************************************
- * Some of this code should be moved into the core functions,
- * or dropped completely,
- * but let's get it working (again) first...
- */
-
-#if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE)
-#define CONFIG_BAUDRATE 115200
-#endif
-
-static int init_baudrate(void)
-{
- gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
- return 0;
-}
-
-static int display_banner(void)
-{
- printf("\n\n%s\n\n", version_string);
- debug("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
- _TEXT_BASE,
- _bss_start_ofs + _TEXT_BASE, _bss_end_ofs + _TEXT_BASE);
-#ifdef CONFIG_MODEM_SUPPORT
- debug("Modem Support enabled\n");
-#endif
-#ifdef CONFIG_USE_IRQ
- debug("IRQ Stack: %08lx\n", IRQ_STACK_START);
- debug("FIQ Stack: %08lx\n", FIQ_STACK_START);
-#endif
-
- return (0);
-}
-
-/*
- * WARNING: this code looks "cleaner" than the PowerPC version, but
- * has the disadvantage that you either get nothing, or everything.
- * On PowerPC, you might see "DRAM: " before the system hangs - which
- * gives a simple yet clear indication which part of the
- * initialization if failing.
+ * Hopefully not, in which case perhaps we will remove this file.
*/
-static int display_dram_config(void)
-{
- int i;
-
-#ifdef DEBUG
- puts("RAM Configuration:\n");
-
- for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
- printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
- print_size(gd->bd->bi_dram[i].size, "\n");
- }
-#else
- ulong size = 0;
-
- for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
- size += gd->bd->bi_dram[i].size;
-
- puts("DRAM: ");
- print_size(size, "\n");
-#endif
-
- return (0);
-}
-
-#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_CMD_PCI) || defined (CONFIG_PCI)
-#include <pci.h>
-static int arm_pci_init(void)
-{
- pci_init();
- return 0;
-}
-#endif /* CONFIG_CMD_PCI || CONFIG_PCI */
-
-/*
- * Breathe some life into the board...
- *
- * Initialize a serial port as console, and carry out some hardware
- * tests.
- *
- * The first part of initialization is running from Flash memory;
- * its main purpose is to initialize the RAM so that we
- * can relocate the monitor code to RAM.
- */
-
-/*
- * 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 dependent #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);
-
-int print_cpuinfo(void);
-
-void __dram_init_banksize(void)
-{
- gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- gd->bd->bi_dram[0].size = gd->ram_size;
-}
-void dram_init_banksize(void)
- __attribute__((weak, alias("__dram_init_banksize")));
-
-init_fnc_t *init_sequence[] = {
-#if defined(CONFIG_ARCH_CPU_INIT)
- arch_cpu_init, /* basic arch cpu dependent setup */
-#endif
-#if defined(CONFIG_BOARD_EARLY_INIT_F)
- board_early_init_f,
-#endif
-#ifdef CONFIG_OF_CONTROL
- fdtdec_check_fdt,
-#endif
- timer_init, /* initialize timer */
-#ifdef CONFIG_FSL_ESDHC
- get_clocks,
-#endif
- env_init, /* initialize environment */
- init_baudrate, /* initialze baudrate settings */
- serial_init, /* serial communications setup */
- console_init_f, /* stage 1 init of console */
- display_banner, /* say that we are here */
-#if defined(CONFIG_DISPLAY_CPUINFO)
- print_cpuinfo, /* display cpu info (and speed) */
-#endif
-#if defined(CONFIG_DISPLAY_BOARDINFO)
- checkboard, /* display board info */
-#endif
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
- init_func_i2c,
-#endif
- dram_init, /* configure available RAM banks */
- NULL,
-};
-
-void board_init_f(ulong bootflag)
-{
- bd_t *bd;
- init_fnc_t **init_fnc_ptr;
- gd_t *id;
- ulong addr, addr_sp;
-#ifdef CONFIG_PRAM
- ulong reg;
-#endif
-
- /* Pointer is writable since we allocated a register for it */
- gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
- /* compiler optimization barrier needed for GCC >= 3.4 */
- __asm__ __volatile__("": : :"memory");
-
- memset((void *)gd, 0, sizeof(gd_t));
-
- gd->mon_len = _bss_end_ofs;
-#ifdef CONFIG_OF_EMBED
- /* Get a pointer to the FDT */
- gd->fdt_blob = _binary_dt_dtb_start;
-#elif defined CONFIG_OF_SEPARATE
- /* FDT is at end of image */
- gd->fdt_blob = (void *)(_end_ofs + _TEXT_BASE);
-#endif
- /* Allow the early environment to override the fdt address */
- gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
- (uintptr_t)gd->fdt_blob);
-
- for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
- if ((*init_fnc_ptr)() != 0) {
- hang ();
- }
- }
-
- debug("monitor len: %08lX\n", gd->mon_len);
- /*
- * Ram is setup, size stored in gd !!
- */
- debug("ramsize: %08lX\n", gd->ram_size);
-#if defined(CONFIG_SYS_MEM_TOP_HIDE)
- /*
- * 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;
-#endif
-
- addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
-
-#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 */
-
-#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
- /* reserve TLB table */
- addr -= (4096 * 4);
-
- /* round down to next 64 kB limit */
- addr &= ~(0x10000 - 1);
-
- gd->tlb_addr = addr;
- debug("TLB table at: %08lx\n", addr);
-#endif
-
- /* 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 */
-
- /*
- * reserve memory for U-Boot code, data & bss
- * round down to next 4 kB limit
- */
- addr -= gd->mon_len;
- addr &= ~(4096 - 1);
-
- debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
-
-#ifndef CONFIG_SPL_BUILD
- /*
- * 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);
-
-#ifdef CONFIG_MACH_TYPE
- gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
-#endif
-
- 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);
-
- /* setup stackpointer for exeptions */
- gd->irq_sp = addr_sp;
-#ifdef CONFIG_USE_IRQ
- addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ);
- debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
- CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
-#endif
- /* leave 3 words for abort-stack */
- addr_sp -= 12;
-
- /* 8-byte alignment for ABI compliance */
- addr_sp &= ~0x07;
-#else
- addr_sp += 128; /* leave 32 words for abort-stack */
- gd->irq_sp = addr_sp;
-#endif
-
- debug("New Stack Pointer is: %08lx\n", addr_sp);
-
-#ifdef CONFIG_POST
- post_bootmode_init();
- post_run(NULL, POST_ROM | post_bootmode_get(0));
-#endif
-
- gd->bd->bi_baudrate = gd->baudrate;
- /* Ram ist board specific, so move it to board code ... */
- dram_init_banksize();
- display_dram_config(); /* and display it */
-
- gd->relocaddr = addr;
- gd->start_addr_sp = addr_sp;
- gd->reloc_off = addr - _TEXT_BASE;
- debug("relocation Offset is: %08lx\n", gd->reloc_off);
- memcpy(id, (void *)gd, sizeof(gd_t));
-
- relocate_code(addr_sp, id, addr);
-
- /* NOTREACHED - relocate_code() does not return */
-}
-
-#if !defined(CONFIG_SYS_NO_FLASH)
-static char *failed = "*** failed ***\n";
-#endif
-
-/*
- ************************************************************************
- *
- * This is the next part if the initialization sequence: we are now
- * running from RAM and have a "normal" C environment, i. e. global
- * 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)
-{
- ulong malloc_start;
-#if !defined(CONFIG_SYS_NO_FLASH)
- ulong flash_size;
-#endif
-
- gd = id;
-
- gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
-
- monitor_flash_len = _end_ofs;
-
- /* Enable caches */
- enable_caches();
-
- debug("monitor flash len: %08lX\n", monitor_flash_len);
- board_init(); /* Setup chipselects */
-
-#ifdef CONFIG_SERIAL_MULTI
- serial_initialize();
-#endif
-
- debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
-
-#ifdef CONFIG_LOGBUFFER
- logbuff_init_ptrs();
-#endif
-#ifdef CONFIG_POST
- post_output_backlog();
-#endif
-
- /* The Malloc area is immediately below the monitor copy in DRAM */
- malloc_start = dest_addr - TOTAL_MALLOC_LEN;
- mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
-
-#if !defined(CONFIG_SYS_NO_FLASH)
- puts("Flash: ");
-
- flash_size = flash_init();
- if (flash_size > 0) {
-# ifdef CONFIG_SYS_FLASH_CHECKSUM
- char *s = getenv("flashchecksum");
-
- 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 (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();
- }
-#endif
-
-#if defined(CONFIG_CMD_NAND)
- puts("NAND: ");
- nand_init(); /* go init the NAND */
-#endif
-
-#if defined(CONFIG_CMD_ONENAND)
- onenand_init();
-#endif
-
-#ifdef CONFIG_GENERIC_MMC
- puts("MMC: ");
- mmc_initialize(gd->bd);
-#endif
-
-#ifdef CONFIG_HAS_DATAFLASH
- AT91F_DataflashInit();
- dataflash_print_info();
-#endif
-
- /* initialize environment */
- env_relocate();
-
-#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
- arm_pci_init();
-#endif
-
- /* IP Address */
- gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
-
- stdio_init(); /* get the devices list going. */
-
- jumptable_init();
-
-#if defined(CONFIG_API)
- /* Initialize API */
- api_init();
-#endif
-
- console_init_r(); /* fully init console as a device */
-
-#if defined(CONFIG_ARCH_MISC_INIT)
- /* miscellaneous arch dependent initialisations */
- arch_misc_init();
-#endif
-#if defined(CONFIG_MISC_INIT_R)
- /* miscellaneous platform dependent initialisations */
- misc_init_r();
-#endif
-
- /* set up exceptions */
- interrupt_init();
- /* enable exceptions */
- enable_interrupts();
-
- /* Perform network card initialisation if necessary */
-#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
- /* XXX: this needs to be moved to board init */
- if (getenv("ethaddr")) {
- uchar enetaddr[6];
- eth_getenv_enetaddr("ethaddr", enetaddr);
- smc_set_mac_addr(enetaddr);
- }
-#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
-
- /* Initialize from environment */
- load_addr = getenv_ulong("loadaddr", 16, load_addr);
-#if defined(CONFIG_CMD_NET)
- {
- char *s = getenv("bootfile");
-
- if (s != NULL)
- copy_filename(BootFile, s, sizeof(BootFile));
- }
-#endif
-
-#ifdef CONFIG_BOARD_LATE_INIT
- board_late_init();
-#endif
-
-#ifdef CONFIG_BITBANGMII
- bb_miiphy_init();
-#endif
-#if defined(CONFIG_CMD_NET)
- puts("Net: ");
- eth_initialize(gd->bd);
-#if defined(CONFIG_RESET_PHY_R)
- debug("Reset Ethernet PHY\n");
- reset_phy();
-#endif
-#endif
-
-#ifdef CONFIG_POST
- post_run(NULL, POST_RAM | post_bootmode_get(0));
-#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;
- uchar 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((char *)memsz, "%ldk", (gd->ram_size / 1024) - pram);
- setenv("mem", (char *)memsz);
- }
-#endif
-
- /* main_loop() can return to retry autoboot, if so just run it again. */
- for (;;) {
- main_loop();
- }
-
- /* NOTREACHED - no way out of command loop except booting */
-}
-
-void hang(void)
-{
- puts("### ERROR ### Please RESET the board ###\n");
- for (;;);
-}
--
1.7.3.1
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