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imx: bootaux: fix stack and pc assignment on 64-bit platforms

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Using ulong is wrong as its size depends on the Host CPU architecture
(32-bit vs. 64-bit) although the Cortex-M4 is always 32-bit.

Without this patch, the stack and PC are obviously wrong and it
generates an abort when used on 64-bit processors such as the i.MX8MQ.

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Gary Bisson 2018-11-14 17:55:29 +01:00 • committed by Stefano Babic
parent cb15885b48
commit 68e7410fa2
1 changed files with 2 additions and 2 deletions
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4
arch/arm/mach-imx/imx_bootaux.c
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@ -17,8 +17,8 @@ int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data)
if (!boot_private_data)
return -EINVAL;
stack = *(ulong *)boot_private_data;
pc = *(ulong *)(boot_private_data + 4);
stack = *(u32 *)boot_private_data;
pc = *(u32 *)(boot_private_data + 4);
/* Set the stack and pc to M4 bootROM */
writel(stack, M4_BOOTROM_BASE_ADDR);