xref: /arm-trusted-firmware/plat/nxp/common/soc_errata/errata_a010539.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright 2022 NXP
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  *
6*91f16700Schasinglulu  */
7*91f16700Schasinglulu 
8*91f16700Schasinglulu #include <mmio.h>
9*91f16700Schasinglulu 
10*91f16700Schasinglulu #include <plat_common.h>
11*91f16700Schasinglulu 
12*91f16700Schasinglulu void erratum_a010539(void)
13*91f16700Schasinglulu {
14*91f16700Schasinglulu 	if (get_boot_dev() == BOOT_DEVICE_QSPI) {
15*91f16700Schasinglulu 		unsigned int *porsr1 = (void *)(NXP_DCFG_ADDR +
16*91f16700Schasinglulu 				DCFG_PORSR1_OFFSET);
17*91f16700Schasinglulu 		uint32_t val;
18*91f16700Schasinglulu 
19*91f16700Schasinglulu 		val = (gur_in32(porsr1) & ~PORSR1_RCW_MASK);
20*91f16700Schasinglulu 		mmio_write_32((uint32_t)(NXP_DCSR_DCFG_ADDR +
21*91f16700Schasinglulu 				DCFG_DCSR_PORCR1_OFFSET), htobe32(val));
22*91f16700Schasinglulu 		/* Erratum need to set '1' to all bits for reserved SCFG register 0x1a8 */
23*91f16700Schasinglulu 		mmio_write_32((uint32_t)(NXP_SCFG_ADDR + 0x1a8),
24*91f16700Schasinglulu 				htobe32(0xffffffff));
25*91f16700Schasinglulu 	}
26*91f16700Schasinglulu }
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