#include <bzlib.h>
#include <environment.h>
#include <asm/byteorder.h>
+#include <asm/mp.h>
#if defined(CONFIG_OF_LIBFDT)
-#include <fdt.h>
#include <libfdt.h>
#include <fdt_support.h>
-
#endif
#ifdef CONFIG_SYS_INIT_RAM_LOCK
DECLARE_GLOBAL_DATA_PTR;
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const 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)
- #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,
- CONFIG_SYS_BOOTMAPSZ, 0, 0);
+ getenv_bootm_mapsize(), 0, 0);
/* does not return */
} else
#endif
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;
static int boot_body_linux(bootm_headers_t *images)
{
- ulong rd_len;
- struct lmb *lmb = &images->lmb;
- 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;
- /* allocate space and init command line */
- ret = boot_cmdline_linux(images);
- if (ret)
- return ret;
-
/* allocate space for kernel copy of board info */
ret = boot_bd_t_linux(images);
if (ret)
return ret;
- rd_len = images->rd_end - images->rd_start;
- ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, initrd_start, initrd_end);
+ ret = image_setup_linux(images);
if (ret)
return ret;
-#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
- ret = boot_relocate_fdt(lmb, bootmap_base, of_flat_tree, &of_size);
- if (ret)
- return ret;
-
- /*
- * Add the chosen node if it doesn't exist, add the env and bd_t
- * if the user wants it (the logic is in the subroutines).
- */
- if (of_size) {
- if (fdt_chosen(*of_flat_tree, 1) < 0) {
- puts ("ERROR: ");
- puts ("/chosen node create failed");
- puts (" - must RESET the board to recover.\n");
- return -1;
- }
-#ifdef CONFIG_OF_BOARD_SETUP
- /* Call the board-specific fixup routine */
- ft_board_setup(*of_flat_tree, gd->bd);
-#endif
-
- /* Delete the old LMB reservation */
- lmb_free(lmb, (phys_addr_t)(u32)*of_flat_tree,
- (phys_size_t)fdt_totalsize(*of_flat_tree));
-
- ret = fdt_resize(*of_flat_tree);
- if (ret < 0)
- return ret;
- of_size = ret;
-
- if (*initrd_start && *initrd_end)
- of_size += FDT_RAMDISK_OVERHEAD;
- /* 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);
- }
-#endif /* CONFIG_OF_LIBFDT && CONFIG_SYS_BOOTMAPSZ */
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();
- return 0;
- }
-
- if (flag & BOOTM_STATE_OS_GO) {
- boot_jump_linux(images);
+ boot_prep_linux(images);
return 0;
}
- boot_prep_linux();
+ boot_prep_linux(images);
ret = boot_body_linux(images);
if (ret)
return ret;
/* convert all clock information to MHz */
kbd->bi_intfreq /= 1000000L;
kbd->bi_busfreq /= 1000000L;
-#if defined(CONFIG_MPC8220)
- kbd->bi_inpfreq /= 1000000L;
- kbd->bi_pcifreq /= 1000000L;
- kbd->bi_pevfreq /= 1000000L;
- kbd->bi_flbfreq /= 1000000L;
- kbd->bi_vcofreq /= 1000000L;
-#endif
#if defined(CONFIG_CPM2)
kbd->bi_cpmfreq /= 1000000L;
kbd->bi_brgfreq /= 1000000L;