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drivers: hwinfo: Update i.MX RT Hwinfo driver

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Add support for RT1170. The fuse register that holds
the unique device ID is different as compared to the
RT10XX series

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
This commit is contained in:
Mahesh Mahadevan 2021-06-11 14:26:38 -05:00 • committed by Anas Nashif
commit 0057c5753b
1 changed files with 5 additions and 0 deletions
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5
drivers/hwinfo/hwinfo_imxrt.c
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@ -17,8 +17,13 @@ ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
{
struct imxrt_uid dev_id;
#ifdef CONFIG_SOC_SERIES_IMX_RT11XX
dev_id.id[0] = sys_cpu_to_be32(OCOTP->FUSEN[17].FUSE);
dev_id.id[1] = sys_cpu_to_be32(OCOTP->FUSEN[16].FUSE);
#else
dev_id.id[0] = sys_cpu_to_be32(OCOTP->CFG2);
dev_id.id[1] = sys_cpu_to_be32(OCOTP->CFG1);
#endif
if (length > sizeof(dev_id.id)) {
length = sizeof(dev_id.id);