#include <bzlib.h>
#include <environment.h>
#include <asm/byteorder.h>
+#include <asm/mp.h>
#if defined(CONFIG_OF_LIBFDT)
#include <fdt.h>
DECLARE_GLOBAL_DATA_PTR;
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
extern ulong get_effective_memsize(void);
static ulong get_sp (void);
static void set_clocks_in_mhz (bd_t *kbd);
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)
+#if defined(CONFIG_MPC85xx) || defined(CONFIG_440)
#define EPAPR_MAGIC (0x45504150)
#else
#define EPAPR_MAGIC (0x65504150)
debug (" Booting using OF flat tree...\n");
WATCHDOG_RESET ();
(*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
- CONFIG_SYS_BOOTMAPSZ, 0, 0);
+ getenv_bootm_mapsize(), 0, 0);
/* does not return */
} else
#endif
sp = get_sp();
debug ("## Current stack ends at 0x%08lx\n", sp);
- /* adjust sp by 1K to be safe */
- sp -= 1024;
+ /* adjust sp by 4K to be safe */
+ sp -= 4096;
lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - sp));
+#ifdef CONFIG_MP
+ cpu_mp_lmb_reserve(lmb);
+#endif
+
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)
{
- ulong bootmap_base = getenv_bootm_low();
ulong of_size = images->ft_len;
struct lmb *lmb = &images->lmb;
ulong *cmd_start = &images->cmdline_start;
if (!of_size) {
/* allocate space and init command line */
- ret = boot_get_cmdline (lmb, cmd_start, cmd_end, bootmap_base);
+ ret = boot_get_cmdline (lmb, cmd_start, cmd_end);
if (ret) {
puts("ERROR with allocation of cmdline\n");
return ret;
static int boot_bd_t_linux(bootm_headers_t *images)
{
- ulong bootmap_base = getenv_bootm_low();
ulong of_size = images->ft_len;
struct lmb *lmb = &images->lmb;
bd_t **kbd = &images->kbd;
if (!of_size) {
/* allocate space for kernel copy of board info */
- ret = boot_get_kbd (lmb, kbd, bootmap_base);
+ ret = boot_get_kbd (lmb, kbd);
if (ret) {
puts("ERROR with allocation of kernel bd\n");
return ret;
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;
ulong *initrd_start = &images->initrd_start;
ulong *initrd_end = &images->initrd_end;
#if defined(CONFIG_OF_LIBFDT)
- ulong bootmap_base = getenv_bootm_low();
ulong of_size = images->ft_len;
char **of_flat_tree = &images->ft_addr;
#endif
int ret;
+#if defined(CONFIG_OF_LIBFDT)
+ boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
+#endif
+
/* allocate space and init command line */
ret = boot_cmdline_linux(images);
if (ret)
return ret;
#if defined(CONFIG_OF_LIBFDT)
- ret = boot_relocate_fdt(lmb, bootmap_base, of_flat_tree, &of_size);
+ ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
if (ret)
return ret;
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))
-int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+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;
projects / u-boot / blobdiff