Lines Matching +full:baikal +full:- +full:t1

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2020 BAIKAL ELECTRONICS, JSC
8  * Baikal-T1 Physically Mapped Internal ROM driver
22 #include "physmap-bt1-rom.h"
25  * Baikal-T1 SoC ROMs are only accessible by the dword-aligned instructions.
26  * We have to take this into account when implementing the data read-methods.
27  * Note there is no need in bothering with endianness, since both Baikal-T1
33 	void __iomem *src = map->virt + ofs;  in bt1_rom_map_read()
40 	data = readl_relaxed(src - shift);  in bt1_rom_map_read()
48 	shift = 4 - shift;  in bt1_rom_map_read()
49 	if (ofs + shift >= map->size)  in bt1_rom_map_read()
62 	void __iomem *src = map->virt + from;  in bt1_rom_map_copy_from()
66 	if (len <= 0 || from >= map->size)  in bt1_rom_map_copy_from()
70 	len = min_t(ssize_t, map->size - from, len);  in bt1_rom_map_copy_from()
80 		chunk = min_t(ssize_t, 4 - shift, len);  in bt1_rom_map_copy_from()
81 		data = readl_relaxed(src - shift);  in bt1_rom_map_copy_from()
85 		len -= chunk;  in bt1_rom_map_copy_from()
93 		len -= 4;  in bt1_rom_map_copy_from()
106 	struct device *dev = &pdev->dev;  in of_flash_probe_bt1_rom()
108 	/* It's supposed to be read-only MTD. */  in of_flash_probe_bt1_rom()
109 	if (!of_device_is_compatible(np, "mtd-rom")) {  in of_flash_probe_bt1_rom()
110 		dev_info(dev, "No mtd-rom compatible string\n");  in of_flash_probe_bt1_rom()
115 	if (!of_device_is_compatible(np, "baikal,bt1-int-rom"))  in of_flash_probe_bt1_rom()
119 	if (map->bankwidth != 4)  in of_flash_probe_bt1_rom()
122 	map->read = bt1_rom_map_read;  in of_flash_probe_bt1_rom()
123 	map->copy_from = bt1_rom_map_copy_from;  in of_flash_probe_bt1_rom()