1 /*
2  * Copyright (C) 2018-2020 Marvell International Ltd.
3  *
4  * SPDX-License-Identifier:     BSD-3-Clause
5  * https://spdx.org/licenses
6  */
7 
8 /* LLC driver is the Last Level Cache (L3C) driver
9  * for Marvell SoCs in AP806, AP807, and AP810
10  */
11 
12 #ifndef CACHE_LLC_H
13 #define CACHE_LLC_H
14 
15 #define LLC_CTRL(ap)			(MVEBU_LLC_BASE(ap) + 0x100)
16 #define LLC_SECURE_CTRL(ap)		(MVEBU_LLC_BASE(ap) + 0x10C)
17 #define LLC_SYNC(ap)			(MVEBU_LLC_BASE(ap) + 0x700)
18 #define LLC_BANKED_MNT_AHR(ap)		(MVEBU_LLC_BASE(ap) + 0x724)
19 #define LLC_INV_WAY(ap)			(MVEBU_LLC_BASE(ap) + 0x77C)
20 #define LLC_BLK_ALOC(ap)		(MVEBU_LLC_BASE(ap) + 0x78c)
21 #define LLC_CLEAN_WAY(ap)		(MVEBU_LLC_BASE(ap) + 0x7BC)
22 #define LLC_CLEAN_INV_WAY(ap)		(MVEBU_LLC_BASE(ap) + 0x7FC)
23 #define LLC_TCN_LOCK(ap, tc)		(MVEBU_LLC_BASE(ap) + 0x920 + 4 * (tc))
24 
25 #define MASTER_LLC_CTRL			LLC_CTRL(MVEBU_AP0)
26 #define MASTER_LLC_INV_WAY		LLC_INV_WAY(MVEBU_AP0)
27 #define MASTER_LLC_TC0_LOCK		LLC_TCN_LOCK(MVEBU_AP0, 0)
28 
29 #define LLC_CTRL_EN			1
30 #define LLC_EXCLUSIVE_EN		0x100
31 #define LLC_ALL_WAYS_MASK		0xFFFFFFFF
32 
33 /* AP806/AP807 - 1MB 8-ways LLC */
34 #define LLC_WAYS			8
35 #define LLC_WAY_MASK			((1 << LLC_WAYS) - 1)
36 #define LLC_SIZE			(1024 * 1024)
37 #define LLC_WAY_SIZE			(LLC_SIZE / LLC_WAYS)
38 #define LLC_TC_NUM			15
39 
40 #define LLC_BLK_ALOC_WAY_ID(way)	((way) & 0x1f)
41 #define LLC_BLK_ALOC_WAY_DATA_DSBL	(0x0 << 6)
42 #define LLC_BLK_ALOC_WAY_DATA_CLR	(0x1 << 6)
43 #define LLC_BLK_ALOC_WAY_DATA_SET	(0x3 << 6)
44 #define LLC_BLK_ALOC_BASE_ADDR(addr)	((addr) & ~(LLC_WAY_SIZE - 1))
45 
46 #ifndef __ASSEMBLER__
47 void llc_cache_sync(int ap_index);
48 void llc_flush_all(int ap_index);
49 void llc_clean_all(int ap_index);
50 void llc_inv_all(int ap_index);
51 void llc_disable(int ap_index);
52 void llc_enable(int ap_index, int excl_mode);
53 int llc_is_exclusive(int ap_index);
54 void llc_runtime_enable(int ap_index);
55 #if LLC_SRAM
56 int llc_sram_enable(int ap_index, int size);
57 void llc_sram_disable(int ap_index);
58 int llc_sram_test(int ap_index, int size, char *msg);
59 #endif /* LLC_SRAM */
60 #endif /* __ASSEMBLER__ */
61 
62 #endif /* CACHE_LLC_H */
63