186aeee4dSAndreas Färber // SPDX-License-Identifier: GPL-2.0-or-later
286aeee4dSAndreas Färber /*
386aeee4dSAndreas Färber * Realtek RTD1195
486aeee4dSAndreas Färber *
586aeee4dSAndreas Färber * Copyright (c) 2017-2019 Andreas Färber
686aeee4dSAndreas Färber */
786aeee4dSAndreas Färber
886aeee4dSAndreas Färber #include <linux/memblock.h>
986aeee4dSAndreas Färber #include <asm/mach/arch.h>
1086aeee4dSAndreas Färber
rtd1195_memblock_remove(phys_addr_t base,phys_addr_t size)1186aeee4dSAndreas Färber static void __init rtd1195_memblock_remove(phys_addr_t base, phys_addr_t size)
1286aeee4dSAndreas Färber {
1386aeee4dSAndreas Färber int ret;
1486aeee4dSAndreas Färber
1586aeee4dSAndreas Färber ret = memblock_remove(base, size);
1686aeee4dSAndreas Färber if (ret)
1786aeee4dSAndreas Färber pr_err("Failed to remove memblock %pa (%d)\n", &base, ret);
1886aeee4dSAndreas Färber }
1986aeee4dSAndreas Färber
rtd1195_reserve(void)2086aeee4dSAndreas Färber static void __init rtd1195_reserve(void)
2186aeee4dSAndreas Färber {
2286aeee4dSAndreas Färber /* Exclude boot ROM from RAM */
2386aeee4dSAndreas Färber rtd1195_memblock_remove(0x00000000, 0x0000a800);
2486aeee4dSAndreas Färber
2586aeee4dSAndreas Färber /* Exclude peripheral register spaces from RAM */
2686aeee4dSAndreas Färber rtd1195_memblock_remove(0x18000000, 0x00070000);
2786aeee4dSAndreas Färber rtd1195_memblock_remove(0x18100000, 0x01000000);
2886aeee4dSAndreas Färber }
2986aeee4dSAndreas Färber
3086aeee4dSAndreas Färber static const char *const rtd1195_dt_compat[] __initconst = {
3186aeee4dSAndreas Färber "realtek,rtd1195",
3286aeee4dSAndreas Färber NULL
3386aeee4dSAndreas Färber };
3486aeee4dSAndreas Färber
3586aeee4dSAndreas Färber DT_MACHINE_START(rtd1195, "Realtek RTD1195")
3686aeee4dSAndreas Färber .dt_compat = rtd1195_dt_compat,
3786aeee4dSAndreas Färber .reserve = rtd1195_reserve,
3886aeee4dSAndreas Färber .l2c_aux_val = 0x0,
3986aeee4dSAndreas Färber .l2c_aux_mask = ~0x0,
4086aeee4dSAndreas Färber MACHINE_END
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