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* changes: feat(nxp/common/ocram): add driver for OCRAM initialization feat(plat/nxp/common): add EESR register definition fix(plat/nxp/ls1028a): fix compile error when enable fuse provision fix(drivers/nxp/sfp): fix compile warning fix(plat/nxp/ls1028a): define endianness of scfg and gpio fix(nxp/scfg): fix endianness checkingpull/1981/head
Joanna Farley
3 years ago
committed by
TrustedFirmware Code Review
10 changed files with 130 additions and 3 deletions
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/* |
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* Copyright 2021 NXP |
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* |
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* SPDX-License-Identifier: BSD-3-Clause |
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*/ |
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#include <asm_macros.S> |
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#include <soc_default_base_addr.h> |
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#include <soc_default_helper_macros.h> |
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.global ocram_init |
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/* |
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* void ocram_init(uintptr_t start_addr, size_t size) |
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* |
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* This function will do OCRAM ECC. |
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* OCRAM is initialized with 64-bit writes and then a write |
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* performed to address 0x0010_0534 with the value 0x0000_0008. |
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* |
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* x0: start_addr |
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* x1: size in bytes |
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* Called from C |
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*/ |
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func ocram_init |
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/* save the aarch32/64 non-volatile registers */ |
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stp x4, x5, [sp, #-16]! |
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stp x6, x7, [sp, #-16]! |
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stp x8, x9, [sp, #-16]! |
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stp x10, x11, [sp, #-16]! |
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stp x12, x13, [sp, #-16]! |
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stp x18, x30, [sp, #-16]! |
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/* convert bytes to 64-byte chunks */ |
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lsr x1, x1, #6 |
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1: |
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/* for each location, read and write-back */ |
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dc ivac, x0 |
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dsb sy |
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ldp x4, x5, [x0] |
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ldp x6, x7, [x0, #16] |
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ldp x8, x9, [x0, #32] |
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ldp x10, x11, [x0, #48] |
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stp x4, x5, [x0] |
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stp x6, x7, [x0, #16] |
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stp x8, x9, [x0, #32] |
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stp x10, x11, [x0, #48] |
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dc cvac, x0 |
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sub x1, x1, #1 |
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cbz x1, 2f |
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add x0, x0, #64 |
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b 1b |
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2: |
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/* Clear OCRAM ECC status bit in SBEESR2 and MBEESR2 */ |
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ldr w1, =OCRAM_EESR_MASK |
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ldr x0, =DCFG_SBEESR2_ADDR |
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str w1, [x0] |
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ldr x0, =DCFG_MBEESR2_ADDR |
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str w1, [x0] |
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/* restore the aarch32/64 non-volatile registers */ |
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ldp x18, x30, [sp], #16 |
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ldp x12, x13, [sp], #16 |
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ldp x10, x11, [sp], #16 |
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ldp x8, x9, [sp], #16 |
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ldp x6, x7, [sp], #16 |
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ldp x4, x5, [sp], #16 |
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ret |
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endfunc ocram_init |
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/*
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* Copyright 2021 NXP |
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* |
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* SPDX-License-Identifier: BSD-3-Clause |
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* |
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*/ |
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#ifndef OCRAM_H |
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#define OCRAM_H |
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void ocram_init(uintptr_t start_addr, size_t size); |
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#endif /* OCRAM_H */ |
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#
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# Copyright 2021 NXP
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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#
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PLAT_OCRAM_PATH := $(PLAT_COMMON_PATH)/ocram |
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OCRAM_SOURCES := ${PLAT_OCRAM_PATH}/$(ARCH)/ocram.S |
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BL2_SOURCES += ${OCRAM_SOURCES} |
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PLAT_INCLUDES += -I${PLAT_COMMON_PATH}/ocram |
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