The following debug patch shows that gd->cpu is not being relocated to ddr. Linux may not be able to boot due to "fdt board" crashing if flash has been erased or changed.
On mpc8572ds:
=> fdt board fdt board cpu_numcores gd=3fe6df68 cpu=effed578 n=2 cpu_numcores gd=3fe6df68 cpu=effed578 n=2 cpu_numcores gd=3fe6df68 cpu=effed578 n=2 cpu_numcores gd=3fe6df68 cpu=effed578 n=2
Signed-off-by: Ed Swarthout Ed.Swarthout@freescale.com --- cpu/mpc8xxx/cpu.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/cpu/mpc8xxx/cpu.c b/cpu/mpc8xxx/cpu.c index d191263..268c1b4 100644 --- a/cpu/mpc8xxx/cpu.c +++ b/cpu/mpc8xxx/cpu.c @@ -22,7 +22,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ - +#define DEBUG #include <config.h> #include <common.h> #include <command.h> @@ -98,6 +98,8 @@ struct cpu_type *identify_cpu(u32 ver) int cpu_numcores() { struct cpu_type *cpu; cpu = gd->cpu; + debug("cpu_numcores gd=%x cpu=%x n=%x\n", + (int)gd, (int)cpu, cpu->num_cores); return cpu->num_cores; }