1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * MSMC controller utilities
4 *
5 * (C) Copyright 2012-2014
6 * Texas Instruments Incorporated, <www.ti.com>
7 */
8
9 #include <asm/arch/msmc.h>
10
11 struct mpax {
12 u32 mpaxl;
13 u32 mpaxh;
14 };
15
16 struct msms_regs {
17 u32 pid;
18 u32 _res_04;
19 u32 smcerrar;
20 u32 smcerrxr;
21 u32 smedcc;
22 u32 smcea;
23 u32 smsecc;
24 u32 smpfar;
25 u32 smpfxr;
26 u32 smpfr;
27 u32 smpfcr;
28 u32 _res_2c;
29 u32 sbndc[8];
30 u32 sbndm;
31 u32 sbnde;
32 u32 _res_58;
33 u32 cfglck;
34 u32 cfgulck;
35 u32 cfglckstat;
36 u32 sms_mpax_lck;
37 u32 sms_mpax_ulck;
38 u32 sms_mpax_lckstat;
39 u32 ses_mpax_lck;
40 u32 ses_mpax_ulck;
41 u32 ses_mpax_lckstat;
42 u32 smestat;
43 u32 smirstat;
44 u32 smirc;
45 u32 smiestat;
46 u32 smiec;
47 u32 _res_94_c0[12];
48 u32 smncerrar;
49 u32 smncerrxr;
50 u32 smncea;
51 u32 _res_d0_1fc[76];
52 struct mpax sms[16][8];
53 struct mpax ses[16][8];
54 };
55
msmc_share_all_segments(int priv_id)56 void msmc_share_all_segments(int priv_id)
57 {
58 struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
59 int j;
60
61 for (j = 0; j < 8; j++) {
62 msmc->sms[priv_id][j].mpaxh &= 0xffffff7ful;
63 msmc->ses[priv_id][j].mpaxh &= 0xffffff7ful;
64 }
65 }
66
msmc_map_ses_segment(int priv_id,int ses_pair,u32 src_pfn,u32 dst_pfn,enum mpax_seg_size size)67 void msmc_map_ses_segment(int priv_id, int ses_pair,
68 u32 src_pfn, u32 dst_pfn, enum mpax_seg_size size)
69 {
70 struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
71
72 msmc->ses[priv_id][ses_pair].mpaxh = src_pfn << 12 |
73 (size & 0x1f) | 0x80;
74 msmc->ses[priv_id][ses_pair].mpaxl = dst_pfn << 8 | 0x3f;
75 }
76
msmc_get_ses_mpax(int priv_id,int ses_pair,u32 * mpax)77 void msmc_get_ses_mpax(int priv_id, int ses_pair, u32 *mpax)
78 {
79 struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
80
81 *mpax++ = msmc->ses[priv_id][ses_pair].mpaxl;
82 *mpax = msmc->ses[priv_id][ses_pair].mpaxh;
83 }
84
msmc_set_ses_mpax(int priv_id,int ses_pair,u32 * mpax)85 void msmc_set_ses_mpax(int priv_id, int ses_pair, u32 *mpax)
86 {
87 struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
88
89 msmc->ses[priv_id][ses_pair].mpaxl = *mpax++;
90 msmc->ses[priv_id][ses_pair].mpaxh = *mpax;
91 }
92