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mach-imx: bootaux: print stack pointer and reset vector

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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>
This commit is contained in:
Igor Opaniuk 2019-11-28 15:56:19 +02:00 committed by Stefano Babic
parent c5773ccdca
commit 0ba1b4de0e
1 changed files with 5 additions and 1 deletions
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6
arch/arm/mach-imx/imx_bootaux.c
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@ -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)