This file handles common pre-relocation init for boards which use the generic framework. It starts up the console, DRAM, performs relocation and then jumps to post-relocation init. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Wolfgang Denk <wd@denx.de> Acked-by: Wolfgang Denk <wd@denx.de>master
parent
a6741bce50
commit
1938f4a5b6
@ -0,0 +1,579 @@ |
|||||||
|
/*
|
||||||
|
* Copyright (c) 2011 The Chromium OS Authors. |
||||||
|
* (C) Copyright 2002-2006 |
||||||
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||||
|
* |
||||||
|
* (C) Copyright 2002 |
||||||
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
||||||
|
* Marius Groeger <mgroeger@sysgo.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 <linux/compiler.h> |
||||||
|
#include <version.h> |
||||||
|
#include <environment.h> |
||||||
|
#include <fdtdec.h> |
||||||
|
#include <initcall.h> |
||||||
|
#include <logbuff.h> |
||||||
|
#include <post.h> |
||||||
|
#include <asm/io.h> |
||||||
|
#include <asm/sections.h> |
||||||
|
#include <linux/compiler.h> |
||||||
|
|
||||||
|
/*
|
||||||
|
* Pointer to initial global data area |
||||||
|
* |
||||||
|
* Here we initialize it if needed. |
||||||
|
*/ |
||||||
|
#ifdef XTRN_DECLARE_GLOBAL_DATA_PTR |
||||||
|
#undef XTRN_DECLARE_GLOBAL_DATA_PTR |
||||||
|
#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ |
||||||
|
DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR); |
||||||
|
#else |
||||||
|
DECLARE_GLOBAL_DATA_PTR; |
||||||
|
#endif |
||||||
|
|
||||||
|
/*
|
||||||
|
* sjg: IMO this code should be |
||||||
|
* refactored to a single function, something like: |
||||||
|
* |
||||||
|
* void led_set_state(enum led_colour_t colour, int on); |
||||||
|
*/ |
||||||
|
/************************************************************************
|
||||||
|
* 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"))); |
||||||
|
|
||||||
|
/*
|
||||||
|
* Why is gd allocated a register? Prior to reloc it might be better to |
||||||
|
* just pass it around to each function in this file? |
||||||
|
* |
||||||
|
* After reloc one could argue that it is hardly used and doesn't need |
||||||
|
* to be in a register. Or if it is it should perhaps hold pointers to all |
||||||
|
* global data for all modules, so that post-reloc we can avoid the massive |
||||||
|
* literal pool we get on ARM. Or perhaps just encourage each module to use |
||||||
|
* a structure... |
||||||
|
*/ |
||||||
|
|
||||||
|
/*
|
||||||
|
* Could the CONFIG_SPL_BUILD infection become a flag in gd? |
||||||
|
*/ |
||||||
|
|
||||||
|
static int init_baud_rate(void) |
||||||
|
{ |
||||||
|
gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int display_text_info(void) |
||||||
|
{ |
||||||
|
ulong bss_start, bss_end; |
||||||
|
|
||||||
|
bss_start = _bss_start_ofs + _TEXT_BASE; |
||||||
|
bss_end = _bss_end_ofs + _TEXT_BASE; |
||||||
|
debug("U-Boot code: %08X -> %08lX BSS: -> %08lX\n", |
||||||
|
CONFIG_SYS_TEXT_BASE, bss_start, bss_end); |
||||||
|
|
||||||
|
#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; |
||||||
|
} |
||||||
|
|
||||||
|
static int announce_dram_init(void) |
||||||
|
{ |
||||||
|
puts("DRAM: "); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int show_dram_config(void) |
||||||
|
{ |
||||||
|
ulong size; |
||||||
|
|
||||||
|
#ifdef CONFIG_NR_DRAM_BANKS |
||||||
|
int i; |
||||||
|
|
||||||
|
debug("\nRAM Configuration:\n"); |
||||||
|
for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) { |
||||||
|
size += gd->bd->bi_dram[i].size; |
||||||
|
debug("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); |
||||||
|
#ifdef DEBUG |
||||||
|
print_size(gd->bd->bi_dram[i].size, "\n"); |
||||||
|
#endif |
||||||
|
} |
||||||
|
debug("\nDRAM: "); |
||||||
|
#else |
||||||
|
size = gd->ram_size; |
||||||
|
#endif |
||||||
|
|
||||||
|
print_size(size, "\n"); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
void __dram_init_banksize(void) |
||||||
|
{ |
||||||
|
#if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE) |
||||||
|
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; |
||||||
|
gd->bd->bi_dram[0].size = get_effective_memsize(); |
||||||
|
#endif |
||||||
|
} |
||||||
|
|
||||||
|
void dram_init_banksize(void) |
||||||
|
__attribute__((weak, alias("__dram_init_banksize"))); |
||||||
|
|
||||||
|
static int zero_global_data(void) |
||||||
|
{ |
||||||
|
memset((void *)gd, '\0', sizeof(gd_t)); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int setup_mon_len(void) |
||||||
|
{ |
||||||
|
gd->mon_len = _bss_end_ofs; |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
__weak int arch_cpu_init(void) |
||||||
|
{ |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int setup_fdt(void) |
||||||
|
{ |
||||||
|
#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 + CONFIG_SYS_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); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* Get the top of usable RAM */ |
||||||
|
__weak ulong board_get_usable_ram_top(ulong total_size) |
||||||
|
{ |
||||||
|
return gd->ram_top; |
||||||
|
} |
||||||
|
|
||||||
|
static int setup_dest_addr(void) |
||||||
|
{ |
||||||
|
debug("Monitor len: %08lX\n", gd->mon_len); |
||||||
|
/*
|
||||||
|
* Ram is setup, size stored in gd !! |
||||||
|
*/ |
||||||
|
debug("Ram size: %08lX\n", (ulong)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 |
||||||
|
#ifdef CONFIG_SYS_SDRAM_BASE |
||||||
|
gd->ram_top = CONFIG_SYS_SDRAM_BASE; |
||||||
|
#endif |
||||||
|
gd->ram_top = board_get_usable_ram_top(gd->mon_len); |
||||||
|
gd->dest_addr = gd->ram_top; |
||||||
|
debug("Ram top: %08lX\n", (ulong)gd->ram_top); |
||||||
|
gd->dest_addr_sp = gd->dest_addr; |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
#if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) |
||||||
|
static int reserve_logbuffer(void) |
||||||
|
{ |
||||||
|
/* reserve kernel log buffer */ |
||||||
|
gd->dest_addr -= LOGBUFF_RESERVE; |
||||||
|
debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, |
||||||
|
gd->dest_addr); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
#endif |
||||||
|
|
||||||
|
#ifdef CONFIG_PRAM |
||||||
|
/* reserve protected RAM */ |
||||||
|
static int reserve_pram(void) |
||||||
|
{ |
||||||
|
ulong reg; |
||||||
|
|
||||||
|
reg = getenv_ulong("pram", 10, CONFIG_PRAM); |
||||||
|
gd->dest_addr -= (reg << 10); /* size is in kB */ |
||||||
|
debug("Reserving %ldk for protected RAM at %08lx\n", reg, |
||||||
|
gd->dest_addr); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
#endif /* CONFIG_PRAM */ |
||||||
|
|
||||||
|
/* Round memory pointer down to next 4 kB limit */ |
||||||
|
static int reserve_round_4k(void) |
||||||
|
{ |
||||||
|
gd->dest_addr &= ~(4096 - 1); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \ |
||||||
|
defined(CONFIG_ARM) |
||||||
|
static int reserve_mmu(void) |
||||||
|
{ |
||||||
|
/* reserve TLB table */ |
||||||
|
gd->arch.tlb_size = 4096 * 4; |
||||||
|
gd->dest_addr -= gd->arch.tlb_size; |
||||||
|
|
||||||
|
/* round down to next 64 kB limit */ |
||||||
|
gd->dest_addr &= ~(0x10000 - 1); |
||||||
|
|
||||||
|
gd->arch.tlb_addr = gd->dest_addr; |
||||||
|
debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr, |
||||||
|
gd->arch.tlb_addr + gd->arch.tlb_size); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
#endif |
||||||
|
|
||||||
|
#ifdef CONFIG_LCD |
||||||
|
static int reserve_lcd(void) |
||||||
|
{ |
||||||
|
#ifdef CONFIG_FB_ADDR |
||||||
|
gd->fb_base = CONFIG_FB_ADDR; |
||||||
|
#else |
||||||
|
/* reserve memory for LCD display (always full pages) */ |
||||||
|
gd->dest_addr = lcd_setmem(gd->dest_addr); |
||||||
|
gd->fb_base = gd->dest_addr; |
||||||
|
#endif /* CONFIG_FB_ADDR */ |
||||||
|
return 0; |
||||||
|
} |
||||||
|
#endif /* CONFIG_LCD */ |
||||||
|
|
||||||
|
static int reserve_uboot(void) |
||||||
|
{ |
||||||
|
/*
|
||||||
|
* reserve memory for U-Boot code, data & bss |
||||||
|
* round down to next 4 kB limit |
||||||
|
*/ |
||||||
|
gd->dest_addr -= gd->mon_len; |
||||||
|
gd->dest_addr &= ~(4096 - 1); |
||||||
|
|
||||||
|
debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, |
||||||
|
gd->dest_addr); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* reserve memory for malloc() area */ |
||||||
|
static int reserve_malloc(void) |
||||||
|
{ |
||||||
|
gd->dest_addr_sp = gd->dest_addr - TOTAL_MALLOC_LEN; |
||||||
|
debug("Reserving %dk for malloc() at: %08lx\n", |
||||||
|
TOTAL_MALLOC_LEN >> 10, gd->dest_addr_sp); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* (permanently) allocate a Board Info struct */ |
||||||
|
static int reserve_board(void) |
||||||
|
{ |
||||||
|
gd->dest_addr_sp -= sizeof(bd_t); |
||||||
|
gd->bd = (bd_t *)gd->dest_addr_sp; |
||||||
|
memset(gd->bd, '\0', sizeof(bd_t)); |
||||||
|
debug("Reserving %zu Bytes for Board Info at: %08lx\n", |
||||||
|
sizeof(bd_t), gd->dest_addr_sp); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int setup_machine(void) |
||||||
|
{ |
||||||
|
#ifdef CONFIG_MACH_TYPE |
||||||
|
gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ |
||||||
|
#endif |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int reserve_global_data(void) |
||||||
|
{ |
||||||
|
gd->dest_addr_sp -= sizeof(gd_t); |
||||||
|
gd->new_gd = (gd_t *)gd->dest_addr_sp; |
||||||
|
debug("Reserving %zu Bytes for Global Data at: %08lx\n", |
||||||
|
sizeof(gd_t), gd->dest_addr_sp); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int reserve_fdt(void) |
||||||
|
{ |
||||||
|
/*
|
||||||
|
* If the device tree is sitting immediate above our image then we |
||||||
|
* must relocate it. If it is embedded in the data section, then it |
||||||
|
* will be relocated with other data. |
||||||
|
*/ |
||||||
|
if (gd->fdt_blob) { |
||||||
|
gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); |
||||||
|
|
||||||
|
gd->dest_addr_sp -= gd->fdt_size; |
||||||
|
gd->new_fdt = (void *)gd->dest_addr_sp; |
||||||
|
debug("Reserving %lu Bytes for FDT at: %p\n", |
||||||
|
gd->fdt_size, gd->new_fdt); |
||||||
|
} |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int reserve_stacks(void) |
||||||
|
{ |
||||||
|
/* setup stack pointer for exceptions */ |
||||||
|
gd->dest_addr_sp -= 16; |
||||||
|
gd->dest_addr_sp &= ~0xf; |
||||||
|
gd->irq_sp = gd->dest_addr_sp; |
||||||
|
|
||||||
|
/*
|
||||||
|
* Handle architecture-specific things here |
||||||
|
* TODO(sjg@chromium.org): Perhaps create arch_reserve_stack() |
||||||
|
* to handle this and put in arch/xxx/lib/stack.c |
||||||
|
*/ |
||||||
|
# ifdef CONFIG_ARM |
||||||
|
# ifdef CONFIG_USE_IRQ |
||||||
|
gd->dest_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); |
||||||
|
debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", |
||||||
|
CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->dest_addr_sp); |
||||||
|
|
||||||
|
/* 8-byte alignment for ARM ABI compliance */ |
||||||
|
gd->dest_addr_sp &= ~0x07; |
||||||
|
# endif |
||||||
|
/* leave 3 words for abort-stack, plus 1 for alignment */ |
||||||
|
gd->dest_addr_sp -= 16; |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int display_new_sp(void) |
||||||
|
{ |
||||||
|
debug("New Stack Pointer is: %08lx\n", gd->dest_addr_sp); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
#ifdef CONFIG_POST |
||||||
|
static int init_post(void) |
||||||
|
{ |
||||||
|
post_bootmode_init(); |
||||||
|
post_run(NULL, POST_ROM | post_bootmode_get(0)); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
#endif |
||||||
|
|
||||||
|
static int setup_baud_rate(void) |
||||||
|
{ |
||||||
|
/* Ick, can we get rid of this line? */ |
||||||
|
gd->bd->bi_baudrate = gd->baudrate; |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int setup_dram_config(void) |
||||||
|
{ |
||||||
|
/* Ram is board specific, so move it to board code ... */ |
||||||
|
dram_init_banksize(); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int reloc_fdt(void) |
||||||
|
{ |
||||||
|
if (gd->new_fdt) { |
||||||
|
memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size); |
||||||
|
gd->fdt_blob = gd->new_fdt; |
||||||
|
} |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int setup_reloc(void) |
||||||
|
{ |
||||||
|
gd->relocaddr = gd->dest_addr; |
||||||
|
gd->start_addr_sp = gd->dest_addr_sp; |
||||||
|
gd->reloc_off = gd->dest_addr - CONFIG_SYS_TEXT_BASE; |
||||||
|
memcpy(gd->new_gd, (char *)gd, sizeof(gd_t)); |
||||||
|
|
||||||
|
debug("Relocation Offset is: %08lx\n", gd->reloc_off); |
||||||
|
debug("Relocating to %08lx, new gd at %p, sp at %08lx\n", |
||||||
|
gd->dest_addr, gd->new_gd, gd->dest_addr_sp); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* ARM calls relocate_code from its crt0.S */ |
||||||
|
#if !defined(CONFIG_ARM) |
||||||
|
|
||||||
|
static int jump_to_copy(void) |
||||||
|
{ |
||||||
|
relocate_code(gd->dest_addr_sp, gd->new_gd, gd->dest_addr); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
#endif |
||||||
|
|
||||||
|
/* Record the board_init_f() bootstage (after arch_cpu_init()) */ |
||||||
|
static int mark_bootstage(void) |
||||||
|
{ |
||||||
|
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f"); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static init_fnc_t init_sequence_f[] = { |
||||||
|
setup_fdt, |
||||||
|
setup_mon_len, |
||||||
|
arch_cpu_init, /* basic arch cpu dependent setup */ |
||||||
|
mark_bootstage, |
||||||
|
#ifdef CONFIG_OF_CONTROL |
||||||
|
fdtdec_check_fdt, |
||||||
|
#endif |
||||||
|
#if defined(CONFIG_BOARD_EARLY_INIT_F) |
||||||
|
board_early_init_f, |
||||||
|
#endif |
||||||
|
timer_init, /* initialize timer */ |
||||||
|
#ifdef CONFIG_BOARD_POSTCLK_INIT |
||||||
|
board_postclk_init, |
||||||
|
#endif |
||||||
|
#ifdef CONFIG_FSL_ESDHC |
||||||
|
get_clocks, |
||||||
|
#endif |
||||||
|
env_init, /* initialize environment */ |
||||||
|
init_baud_rate, /* initialze baudrate settings */ |
||||||
|
serial_init, /* serial communications setup */ |
||||||
|
console_init_f, /* stage 1 init of console */ |
||||||
|
display_options, /* say that we are here */ |
||||||
|
display_text_info, /* show debugging info if required */ |
||||||
|
#if defined(CONFIG_DISPLAY_CPUINFO) |
||||||
|
print_cpuinfo, /* display cpu info (and speed) */ |
||||||
|
#endif |
||||||
|
#if defined(CONFIG_DISPLAY_BOARDINFO) |
||||||
|
checkboard, /* display board info */ |
||||||
|
#endif |
||||||
|
announce_dram_init, |
||||||
|
/* TODO: unify all these dram functions? */ |
||||||
|
#ifdef CONFIG_ARM |
||||||
|
dram_init, /* configure available RAM banks */ |
||||||
|
#endif |
||||||
|
#ifdef CONFIG_POST |
||||||
|
init_post, |
||||||
|
#endif |
||||||
|
/*
|
||||||
|
* 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 |
||||||
|
*/ |
||||||
|
setup_dest_addr, |
||||||
|
#if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) |
||||||
|
reserve_logbuffer, |
||||||
|
#endif |
||||||
|
#ifdef CONFIG_PRAM |
||||||
|
reserve_pram, |
||||||
|
#endif |
||||||
|
reserve_round_4k, |
||||||
|
#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \ |
||||||
|
defined(CONFIG_ARM) |
||||||
|
reserve_mmu, |
||||||
|
#endif |
||||||
|
#ifdef CONFIG_LCD |
||||||
|
reserve_lcd, |
||||||
|
#endif |
||||||
|
reserve_uboot, |
||||||
|
reserve_malloc, |
||||||
|
reserve_board, |
||||||
|
setup_machine, |
||||||
|
reserve_global_data, |
||||||
|
reserve_fdt, |
||||||
|
reserve_stacks, |
||||||
|
setup_dram_config, |
||||||
|
show_dram_config, |
||||||
|
setup_baud_rate, |
||||||
|
display_new_sp, |
||||||
|
reloc_fdt, |
||||||
|
setup_reloc, |
||||||
|
#ifndef CONFIG_ARM |
||||||
|
jump_to_copy, |
||||||
|
#endif |
||||||
|
NULL, |
||||||
|
}; |
||||||
|
|
||||||
|
void board_init_f(ulong boot_flags) |
||||||
|
{ |
||||||
|
gd_t data; |
||||||
|
|
||||||
|
gd = &data; |
||||||
|
|
||||||
|
gd->flags = boot_flags; |
||||||
|
|
||||||
|
if (initcall_run_list(init_sequence_f)) |
||||||
|
hang(); |
||||||
|
|
||||||
|
#ifndef CONFIG_ARM |
||||||
|
/* NOTREACHED - jump_to_copy() does not return */ |
||||||
|
hang(); |
||||||
|
#endif |
||||||
|
} |
||||||
|
|
||||||
|
void hang(void) |
||||||
|
{ |
||||||
|
puts("### ERROR ### Please RESET the board ###\n"); |
||||||
|
for (;;); |
||||||
|
} |
Loading…
Reference in new issue