From: Igor Opaniuk igor.opaniuk@toradex.com
1. Change information printed about loaded M4 binary, print the stack pointer and reset vector addressed. 2. Add sanity check for the address provided as param.
Signed-off-by: Igor Opaniuk igor.opaniuk@toradex.com ---
arch/arm/mach-imx/imx_bootaux.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/imx_bootaux.c b/arch/arm/mach-imx/imx_bootaux.c index 3d9422d5a2..ee786f7d06 100644 --- a/arch/arm/mach-imx/imx_bootaux.c +++ b/arch/arm/mach-imx/imx_bootaux.c @@ -20,6 +20,9 @@ int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data) stack = *(u32 *)boot_private_data; pc = *(u32 *)(boot_private_data + 4);
+ printf("## Starting auxiliary core stack = 0x%08lX, pc = 0x%08lX...\n", + stack, pc); + /* Set the stack and pc to M4 bootROM */ writel(stack, M4_BOOTROM_BASE_ADDR); writel(pc, M4_BOOTROM_BASE_ADDR + 4); @@ -80,7 +83,8 @@ static int do_bootaux(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
addr = simple_strtoul(argv[1], NULL, 16);
- printf("## Starting auxiliary core at 0x%08lX ...\n", addr); + if (!addr) + return CMD_RET_FAILURE;
ret = arch_auxiliary_core_up(0, addr); if (ret)