debug ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong)kernel);
- show_boot_progress (15);
+ bootstage_mark(BOOTSTAGE_ID_RUN_OS);
#if defined(CONFIG_SYS_INIT_RAM_LOCK) && !defined(CONFIG_E500)
unlock_ram_in_cache();
* r8: 0
* r9: 0
*/
-#if defined(CONFIG_85xx) || defined(CONFIG_440)
- #define EPAPR_MAGIC (0x45504150)
-#else
- #define EPAPR_MAGIC (0x65504150)
-#endif
-
debug (" Booting using OF flat tree...\n");
WATCHDOG_RESET ();
(*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
return ;
}
-static void boot_prep_linux(void)
+static void boot_prep_linux(bootm_headers_t *images)
{
#ifdef CONFIG_MP
- /* if we are MP make sure to flush the dcache() to any changes are made
- * visibile to all other cores */
- flush_dcache();
+ /*
+ * if we are MP make sure to flush the device tree so any changes are
+ * made visibile to all other cores. In AMP boot scenarios the cores
+ * might not be HW cache coherent with each other.
+ */
+ flush_cache((unsigned long)images->ft_addr, images->ft_len);
#endif
- return ;
}
static int boot_cmdline_linux(bootm_headers_t *images)
return ret;
}
+/*
+ * Verify the device tree.
+ *
+ * This function is called after all device tree fix-ups have been enacted,
+ * so that the final device tree can be verified. The definition of "verified"
+ * is up to the specific implementation. However, it generally means that the
+ * addresses of some of the devices in the device tree are compared with the
+ * actual addresses at which U-Boot has placed them.
+ *
+ * Returns 1 on success, 0 on failure. If 0 is returned, U-boot will halt the
+ * boot process.
+ */
+static int __ft_verify_fdt(void *fdt)
+{
+ return 1;
+}
+__attribute__((weak, alias("__ft_verify_fdt"))) int ft_verify_fdt(void *fdt);
+
static int boot_body_linux(bootm_headers_t *images)
{
ulong rd_len;
return ret;
of_size = ret;
- if (*initrd_start && *initrd_end)
+ if (*initrd_start && *initrd_end) {
of_size += FDT_RAMDISK_OVERHEAD;
+ fdt_set_totalsize(*of_flat_tree, of_size);
+ }
/* Create a new LMB reservation */
lmb_reserve(lmb, (ulong)*of_flat_tree, of_size);
/* fixup the initrd now that we know where it should be */
if (*initrd_start && *initrd_end)
fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1);
+
+ if (!ft_verify_fdt(*of_flat_tree))
+ return -1;
}
#endif /* CONFIG_OF_LIBFDT */
return 0;
}
-__attribute__((noinline))
+noinline
int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
{
int ret;
}
if (flag & BOOTM_STATE_OS_PREP) {
- boot_prep_linux();
+ boot_prep_linux(images);
return 0;
}
return 0;
}
- boot_prep_linux();
+ boot_prep_linux(images);
ret = boot_body_linux(images);
if (ret)
return ret;