From: Igor Opaniuk <igor.opan...@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.opan...@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)
--
2.17.1
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