mach-imx: bootaux: print stack pointer and reset vector
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>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
diff --git a/arch/arm/mach-imx/imx_bootaux.c b/arch/arm/mach-imx/imx_bootaux.c
index 3d9422d..ee786f7 100644
--- a/arch/arm/mach-imx/imx_bootaux.c
+++ b/arch/arm/mach-imx/imx_bootaux.c
@@ -20,6 +20,9 @@
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 @@
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)