mx6: add support of multi-processor command

This allows u-boot to load different OS or Bare Metal application on
different cores of the i.MX6 SoC.
For example: running Android on cpu0 and a RT OS like QNX/FreeRTOS on cpu1.

Signed-off-by: Gabriel Huau <contact@huau-gabriel.fr>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Gabriel Huau
2014-07-26 11:35:43 -07:00
committed by Stefano Babic
parent 015e215bbf
commit a76df70908
7 changed files with 114 additions and 4 deletions

View File

@@ -34,6 +34,9 @@
#ifdef CONFIG_MPC5xxx
#include <mpc5xxx.h>
#endif
#if (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
#include <asm/mp.h>
#endif
#include <os.h>
#include <post.h>
@@ -43,9 +46,6 @@
#include <watchdog.h>
#include <asm/errno.h>
#include <asm/io.h>
#ifdef CONFIG_MP
#include <asm/mp.h>
#endif
#include <asm/sections.h>
#ifdef CONFIG_X86
#include <asm/init_helpers.h>
@@ -381,7 +381,7 @@ static int setup_dest_addr(void)
gd->ram_top = board_get_usable_ram_top(gd->mon_len);
gd->relocaddr = gd->ram_top;
debug("Ram top: %08lX\n", (ulong)gd->ram_top);
#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
#if (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
/*
* We need to make sure the location we intend to put secondary core
* boot code is reserved and not used by any part of u-boot