{
# if defined(CONFIG_HW_WATCHDOG) && (defined(CONFIG_BLACKFIN) || \
defined(CONFIG_M68K) || defined(CONFIG_MICROBLAZE) || \
- defined(CONFIG_SH))
+ defined(CONFIG_SH) || defined(CONFIG_AT91SAM9_WATCHDOG))
hw_watchdog_init();
# endif
puts(" Watchdog enabled\n");
static int setup_mon_len(void)
{
-#ifdef __ARM__
+#if defined(__ARM__) || defined(__MICROBLAZE__)
gd->mon_len = (ulong)&__bss_end - (ulong)_start;
#elif defined(CONFIG_SANDBOX)
gd->mon_len = (ulong)&_end - (ulong)_init;
return 0;
}
-static int reserve_stacks(void)
+int arch_reserve_stacks(void)
{
-#ifdef CONFIG_SPL_BUILD
-# ifdef CONFIG_ARM
- gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */
- gd->irq_sp = gd->start_addr_sp;
-# endif
-#else
-# ifdef CONFIG_PPC
- ulong *s;
-# endif
+ return 0;
+}
- /* setup stack pointer for exceptions */
+static int reserve_stacks(void)
+{
+ /* make stack pointer 16-byte aligned */
gd->start_addr_sp -= 16;
gd->start_addr_sp &= ~0xf;
- gd->irq_sp = gd->start_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
+ * let the architecture specific code tailor gd->start_addr_sp and
+ * gd->irq_sp
*/
-# if defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
-# ifdef CONFIG_USE_IRQ
- gd->start_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->start_addr_sp);
-
- /* 8-byte alignment for ARM ABI compliance */
- gd->start_addr_sp &= ~0x07;
-# endif
- /* leave 3 words for abort-stack, plus 1 for alignment */
- gd->start_addr_sp -= 16;
-# elif defined(CONFIG_PPC)
- /* Clear initial stack frame */
- s = (ulong *) gd->start_addr_sp;
- *s = 0; /* Terminate back chain */
- *++s = 0; /* NULL return address */
-# endif /* Architecture specific code */
-
- return 0;
-#endif
+ return arch_reserve_stacks();
}
static int display_new_sp(void)
return 0;
}
+/* Architecture-specific memory reservation */
+__weak int reserve_arch(void)
+{
+ return 0;
+}
+
static init_fnc_t init_sequence_f[] = {
#ifdef CONFIG_SANDBOX
setup_ram_buf,
#endif
setup_mon_len,
setup_fdt,
+#ifdef CONFIG_TRACE
trace_early_init,
+#endif
initf_malloc,
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
/* TODO: can this go into arch_cpu_init()? */
prt_mpc5xxx_clks,
#endif /* CONFIG_MPC5xxx */
#if defined(CONFIG_DISPLAY_BOARDINFO)
- checkboard, /* display board info */
+ show_board_info,
#endif
INIT_FUNC_WATCHDOG_INIT
#if defined(CONFIG_MISC_INIT_F)
#endif
announce_dram_init,
/* TODO: unify all these dram functions? */
-#if defined(CONFIG_ARM) || defined(CONFIG_X86)
+#if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32)
dram_init, /* configure available RAM banks */
#endif
#if defined(CONFIG_MIPS) || defined(CONFIG_PPC)
setup_machine,
reserve_global_data,
reserve_fdt,
+ reserve_arch,
reserve_stacks,
setup_dram_config,
show_dram_config,
INIT_FUNC_WATCHDOG_RESET
reloc_fdt,
setup_reloc,
+#ifdef CONFIG_X86
+ copy_uboot_to_ram,
+ clear_bss,
+ do_elf_reloc_fixups,
+#endif
#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
jump_to_copy,
#endif
*/
static init_fnc_t init_sequence_f_r[] = {
init_cache_f_r,
- copy_uboot_to_ram,
- clear_bss,
- do_elf_reloc_fixups,
NULL,
};
/* NOTREACHED - board_init_r() does not return */
hang();
}
+#else
+ulong board_init_f_mem(ulong top)
+{
+ /* Leave space for the stack we are running with now */
+ top -= 0x40;
+
+ top -= sizeof(struct global_data);
+ top = ALIGN(top, 16);
+ gd = (struct global_data *)top;
+ memset((void *)gd, '\0', sizeof(*gd));
+
+#ifdef CONFIG_SYS_MALLOC_F_LEN
+ top -= CONFIG_SYS_MALLOC_F_LEN;
+ gd->malloc_base = top;
+#endif
+
+ return top;
+}
#endif /* CONFIG_X86 */