1 /*
2 * Copyright (c) 2024, Rockchip, Inc. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <assert.h>
8 #include <errno.h>
9
10 #include <drivers/delay_timer.h>
11 #include <drivers/scmi.h>
12 #include <lib/mmio.h>
13 #include <platform_def.h>
14
15 #include <plat_private.h>
16 #include "rk3588_clk.h"
17 #include <scmi_rstd.h>
18 #include <soc.h>
19
20 #define DEFAULT_RESET_DOM_ATTRIBUTE 0
21
22 #define RK3588_SCMI_RESET(_id, _name, _attribute, _ops) \
23 { \
24 .id = _id, \
25 .name = _name, \
26 .attribute = _attribute, \
27 .rstd_ops = _ops, \
28 }
29
rk3588_reset_explicit(rk_scmi_rstd_t * reset_domain,bool assert_not_deassert)30 static int rk3588_reset_explicit(rk_scmi_rstd_t *reset_domain,
31 bool assert_not_deassert)
32 {
33 int bank = reset_domain->id / 16;
34 int offset = reset_domain->id % 16;
35
36 mmio_write_32(SCRU_BASE + CRU_SOFTRST_CON(bank),
37 BITS_WITH_WMASK(assert_not_deassert, 0x1U, offset));
38 return SCMI_SUCCESS;
39 }
40
41 static struct rk_scmi_rstd_ops rk3588_reset_domain_ops = {
42 .reset_explicit = rk3588_reset_explicit,
43 };
44
45 static rk_scmi_rstd_t rk3588_reset_domain_table[] = {
46 RK3588_SCMI_RESET(SRST_CRYPTO_CORE, "scmi_sr_cy_core", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
47 RK3588_SCMI_RESET(SRST_CRYPTO_PKA, "scmi_sr_cy_pka", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
48 RK3588_SCMI_RESET(SRST_CRYPTO_RNG, "scmi_sr_cy_rng", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
49 RK3588_SCMI_RESET(SRST_A_CRYPTO, "scmi_sr_a_cy", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
50 RK3588_SCMI_RESET(SRST_H_CRYPTO, "scmi_sr_h_cy", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
51 RK3588_SCMI_RESET(SRST_KEYLADDER_CORE, "scmi_sr_k_core", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
52 RK3588_SCMI_RESET(SRST_KEYLADDER_RNG, "scmi_sr_k_rng", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
53 RK3588_SCMI_RESET(SRST_P_OTPC_S, "scmi_sr_p_otp", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
54 RK3588_SCMI_RESET(SRST_OTPC_S, "scmi_sr_otp", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
55 RK3588_SCMI_RESET(SRST_WDT_S, "scmi_sr_wdt", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
56 RK3588_SCMI_RESET(SRST_T_WDT_S, "scmi_sr_t_wdt", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
57 RK3588_SCMI_RESET(SRST_H_BOOTROM, "scmi_sr_h_boot", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
58 RK3588_SCMI_RESET(SRST_P_KEYLADDER, "scmi_sr_p_ky", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
59 RK3588_SCMI_RESET(SRST_H_TRNG_S, "scmi_sr_h_trng", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
60 RK3588_SCMI_RESET(SRST_H_TRNG_NS, "scmi_sr_t_trng", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
61 RK3588_SCMI_RESET(SRST_D_SDMMC_BUFFER, "scmi_sr_d_sd", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
62 RK3588_SCMI_RESET(SRST_H_SDMMC, "scmi_sr_h_sd", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
63 RK3588_SCMI_RESET(SRST_H_SDMMC_BUFFER, "scmi_sr_h_sd_b", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
64 RK3588_SCMI_RESET(SRST_SDMMC, "scmi_sr_sd", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
65 RK3588_SCMI_RESET(SRST_P_TRNG_CHK, "scmi_sr_p_trng", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
66 RK3588_SCMI_RESET(SRST_TRNG_S, "scmi_sr_trng", DEFAULT_RESET_DOM_ATTRIBUTE, &rk3588_reset_domain_ops),
67 RK3588_SCMI_RESET(SRST_INVALID, "scmi_sr_invalid", DEFAULT_RESET_DOM_ATTRIBUTE, NULL),
68 };
69
70 static rk_scmi_rstd_t *
rockchip_get_reset_domain_table(int id)71 rockchip_get_reset_domain_table(int id)
72 {
73 rk_scmi_rstd_t *reset = rk3588_reset_domain_table;
74 int i = 0, cnt = ARRAY_SIZE(rk3588_reset_domain_table);
75
76 for (i = 0; i < cnt; i++) {
77 if (reset->id == id)
78 return &rk3588_reset_domain_table[i];
79 reset++;
80 }
81
82 return &rk3588_reset_domain_table[cnt - 1];
83 }
84
rockchip_scmi_get_rstd(unsigned int agent_id,unsigned int scmi_id)85 rk_scmi_rstd_t *rockchip_scmi_get_rstd(unsigned int agent_id,
86 unsigned int scmi_id)
87
88 {
89 return rockchip_get_reset_domain_table(scmi_id);
90 }
91
rockchip_scmi_rstd_count(unsigned int agent_id)92 size_t rockchip_scmi_rstd_count(unsigned int agent_id)
93 {
94 return SRST_TRNG_S;
95 }
96
97