xref: /optee_os/core/arch/arm/plat-imx/config/imx6sx.h (revision 12fc37711783247b0d05fdc271ef007f4930767b)
1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*
3  * Copyright 2017-2019 NXP
4  *
5  * Peng Fan <peng.fan@nxp.com>
6  */
7 
8 #ifndef __CONFIG_IMX6SX_H
9 #define __CONFIG_IMX6SX_H
10 
11 /*
12  * PL310 TAG RAM Control Register
13  *
14  * bit[10:8]:1 - 2 cycle of write accesses latency
15  * bit[6:4]:3 - 4 cycle of read accesses latency
16  * bit[2:0]:2 - 3 cycle of setup latency
17  */
18 #ifndef PL310_TAG_RAM_CTRL_INIT
19 #define PL310_TAG_RAM_CTRL_INIT		0x00000132
20 #endif
21 
22 /*
23  * PL310 DATA RAM Control Register
24  *
25  * bit[10:8]:1 - 2 cycle of write accesses latency
26  * bit[6:4]:3 - 4 cycle of read accesses latency
27  * bit[2:0]:2 - 3 cycle of setup latency
28  */
29 #ifndef PL310_DATA_RAM_CTRL_INIT
30 #define PL310_DATA_RAM_CTRL_INIT	0x00000132
31 #endif
32 
33 /*
34  * PL310 Auxiliary Control Register
35  *
36  * Early BRESP enabled (bit30=1)
37  * I/Dcache prefetch enabled (bit29:28=2b11)
38  * NS can access interrupts (bit27=1)
39  * NS can lockown cache lines (bit26=1)
40  * Pseudo-random replacement policy (bit25=1)
41  * Force write allocated (default) (bit24:23=00)
42  * Shared attribute internally ignored (bit22=1, bit13=0)
43  * Parity disabled (bit21=0)
44  * Event monitor disabled (bit20=0)
45  * 16kb way size (bit19:17=3b001)
46  * 16-way associativity (bit16=1)
47  * Store buffer device limitation enabled (bit11=0)
48  * Cacheable accesses have high prio (bit10=0)
49  * Full Line Zero (FLZ) enabled (bit0=1)
50  */
51 #ifndef PL310_AUX_CTRL_INIT
52 #define PL310_AUX_CTRL_INIT		0x7E430001
53 #endif
54 
55 /*
56  * PL310 Prefetch Control Register
57  *
58  * Double linefill enabled (bit30=1)
59  * I/D prefetch enabled (bit29:28=2b11)
60  * Prefetch drop disabled (bit24=0)
61  * Incr double linefill disable (bit23=0)
62  * Prefetch offset = 0xF (bit4:0)
63  */
64 #define PL310_PREFETCH_CTRL_INIT	0x7000000F
65 
66 /*
67  * PL310 Power Register
68  *
69  * Dynamic clock gating enabled
70  * Standby mode enabled
71  */
72 #define PL310_POWER_CTRL_INIT		0x00000003
73 #endif
74