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