| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
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| 2 | /* |
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| 3 | * Realtek RTD1195 |
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| 4 | * |
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| 5 | * Copyright (c) 2017-2019 Andreas Färber |
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| 6 | */ |
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| 7 | |
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| 8 | #include <linux/memblock.h> |
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| 9 | #include <asm/mach/arch.h> |
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| 10 | |
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| 11 | static void __init rtd1195_memblock_remove(phys_addr_t base, phys_addr_t size) |
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| 12 | { |
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| 13 | int ret; |
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| 14 | |
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| 15 | ret = memblock_remove(base, size); |
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| 16 | if (ret) |
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| 17 | pr_err("Failed to remove memblock %pa (%d)\n" , &base, ret); |
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| 18 | } |
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| 19 | |
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| 20 | static void __init rtd1195_reserve(void) |
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| 21 | { |
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| 22 | /* Exclude boot ROM from RAM */ |
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| 23 | rtd1195_memblock_remove(base: 0x00000000, size: 0x0000a800); |
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| 24 | |
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| 25 | /* Exclude peripheral register spaces from RAM */ |
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| 26 | rtd1195_memblock_remove(base: 0x18000000, size: 0x00070000); |
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| 27 | rtd1195_memblock_remove(base: 0x18100000, size: 0x01000000); |
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| 28 | } |
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| 29 | |
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| 30 | static const char *const rtd1195_dt_compat[] __initconst = { |
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| 31 | "realtek,rtd1195" , |
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| 32 | NULL |
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| 33 | }; |
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| 34 | |
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| 35 | DT_MACHINE_START(rtd1195, "Realtek RTD1195" ) |
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| 36 | .dt_compat = rtd1195_dt_compat, |
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| 37 | .reserve = rtd1195_reserve, |
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| 38 | .l2c_aux_val = 0x0, |
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| 39 | .l2c_aux_mask = ~0x0, |
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| 40 | MACHINE_END |
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| 41 | |
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