1 /*
2  * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <platform_def.h>
8 
9 #include <arch_helpers.h>
10 #include <common/debug.h>
11 #include <drivers/console.h>
12 #include <drivers/delay_timer.h>
13 #include <lib/mmio.h>
14 
15 #include <ddr_parameter.h>
16 #include <plat_private.h>
17 #include <rk3328_def.h>
18 #include <soc.h>
19 
20 /* Table of regions to map using the MMU. */
21 const mmap_region_t plat_rk_mmap[] = {
22 	MAP_REGION_FLAT(UART0_BASE, UART0_SIZE,
23 			MT_DEVICE | MT_RW | MT_SECURE),
24 	MAP_REGION_FLAT(UART1_BASE, UART1_SIZE,
25 			MT_DEVICE | MT_RW | MT_SECURE),
26 	MAP_REGION_FLAT(UART2_BASE, UART2_SIZE,
27 			MT_DEVICE | MT_RW | MT_SECURE),
28 	MAP_REGION_FLAT(PMU_BASE, PMU_SIZE,
29 			MT_DEVICE | MT_RW | MT_SECURE),
30 	MAP_REGION_FLAT(SGRF_BASE, SGRF_SIZE,
31 			MT_DEVICE | MT_RW | MT_SECURE),
32 	MAP_REGION_FLAT(GPIO0_BASE, GPIO0_SIZE,
33 			MT_DEVICE | MT_RW | MT_SECURE),
34 	MAP_REGION_FLAT(GPIO1_BASE, GPIO1_SIZE,
35 			MT_DEVICE | MT_RW | MT_SECURE),
36 	MAP_REGION_FLAT(GPIO2_BASE, GPIO2_SIZE,
37 			MT_DEVICE | MT_RW | MT_SECURE),
38 	MAP_REGION_FLAT(GPIO3_BASE, GPIO3_SIZE,
39 			MT_DEVICE | MT_RW | MT_SECURE),
40 	MAP_REGION_FLAT(CRU_BASE, CRU_SIZE,
41 			MT_DEVICE | MT_RW | MT_SECURE),
42 	MAP_REGION_FLAT(GRF_BASE, GRF_SIZE,
43 			MT_DEVICE | MT_RW | MT_SECURE),
44 	MAP_REGION_FLAT(FIREWALL_DDR_BASE, FIREWALL_DDR_SIZE,
45 			MT_DEVICE | MT_RW | MT_SECURE),
46 	MAP_REGION_FLAT(FIREWALL_CFG_BASE, FIREWALL_CFG_SIZE,
47 			MT_DEVICE | MT_RW | MT_SECURE),
48 	MAP_REGION_FLAT(STIME_BASE, STIME_SIZE,
49 			MT_DEVICE | MT_RW | MT_SECURE),
50 	MAP_REGION_FLAT(GIC400_BASE, GIC400_SIZE,
51 			MT_DEVICE | MT_RW | MT_SECURE),
52 	MAP_REGION_FLAT(PMUSRAM_BASE, PMUSRAM_SIZE,
53 			MT_MEMORY | MT_RW | MT_SECURE),
54 	MAP_REGION_FLAT(SHARE_MEM_BASE, SHARE_MEM_SIZE,
55 			MT_DEVICE | MT_RW | MT_SECURE),
56 	MAP_REGION_FLAT(DDR_GRF_BASE, DDR_GRF_SIZE,
57 			MT_DEVICE | MT_RW | MT_SECURE),
58 	MAP_REGION_FLAT(DDR_UPCTL_BASE, DDR_UPCTL_SIZE,
59 			MT_DEVICE | MT_RW | MT_SECURE),
60 	MAP_REGION_FLAT(PWM_BASE, PWM_SIZE,
61 			MT_DEVICE | MT_RW | MT_SECURE),
62 	MAP_REGION_FLAT(DDR_PARAM_BASE, DDR_PARAM_SIZE,
63 			MT_DEVICE | MT_RW | MT_SECURE),
64 	MAP_REGION_FLAT(EFUSE8_BASE, EFUSE8_SIZE,
65 			MT_DEVICE | MT_RW | MT_SECURE),
66 	MAP_REGION_FLAT(EFUSE32_BASE, EFUSE32_SIZE,
67 			MT_DEVICE | MT_RW | MT_SECURE),
68 	MAP_REGION_FLAT(DDR_PHY_BASE, DDR_PHY_SIZE,
69 			MT_DEVICE | MT_RW | MT_SECURE),
70 	MAP_REGION_FLAT(SERVER_MSCH_BASE, SERVER_MSCH_SIZE,
71 			MT_DEVICE | MT_RW | MT_SECURE),
72 	MAP_REGION_FLAT(DDR_MONITOR_BASE, DDR_MONITOR_SIZE,
73 			MT_DEVICE | MT_RW | MT_SECURE),
74 	MAP_REGION_FLAT(VOP_BASE, VOP_SIZE,
75 			MT_DEVICE | MT_RW | MT_SECURE),
76 
77 	{ 0 }
78 };
79 
80 /* The RockChip power domain tree descriptor */
81 const unsigned char rockchip_power_domain_tree_desc[] = {
82 	/* No of root nodes */
83 	PLATFORM_SYSTEM_COUNT,
84 	/* No of children for the root node */
85 	PLATFORM_CLUSTER_COUNT,
86 	/* No of children for the first cluster node */
87 	PLATFORM_CLUSTER0_CORE_COUNT,
88 };
89 
secure_timer_init(void)90 void secure_timer_init(void)
91 {
92 	mmio_write_32(STIMER_CHN_BASE(1) + TIMER_LOADE_COUNT0, 0xffffffff);
93 	mmio_write_32(STIMER_CHN_BASE(1) + TIMER_LOADE_COUNT1, 0xffffffff);
94 	/* auto reload & enable the timer */
95 	mmio_write_32(STIMER_CHN_BASE(1) + TIMER_CONTROL_REG, TIMER_EN);
96 }
97 
sgrf_init(void)98 void sgrf_init(void)
99 {
100 #ifdef PLAT_RK_SECURE_DDR_MINILOADER
101 	uint32_t i, val;
102 	struct param_ddr_usage usg;
103 
104 	/* general secure regions */
105 	usg = ddr_region_usage_parse(DDR_PARAM_BASE,
106 				     PLAT_MAX_DDR_CAPACITY_MB);
107 	for (i = 0; i < usg.s_nr; i++) {
108 		/* enable secure */
109 		val = mmio_read_32(FIREWALL_DDR_BASE +
110 			      FIREWALL_DDR_FW_DDR_CON_REG);
111 		val |= BIT(7 - i);
112 		mmio_write_32(FIREWALL_DDR_BASE +
113 			      FIREWALL_DDR_FW_DDR_CON_REG, val);
114 		/* map top and base */
115 		mmio_write_32(FIREWALL_DDR_BASE +
116 			      FIREWALL_DDR_FW_DDR_RGN(7 - i),
117 			      RG_MAP_SECURE(usg.s_top[i], usg.s_base[i]));
118 	}
119 #endif
120 
121 	/* set ddr rgn0_top and rga0_top as 0 */
122 	mmio_write_32(FIREWALL_DDR_BASE + FIREWALL_DDR_FW_DDR_RGN(0), 0x0);
123 
124 	/* set all slave ip into no-secure, except stimer */
125 	mmio_write_32(FIREWALL_CFG_BASE + FIREWALL_CFG_FW_SYS_CON(0),
126 		      SGRF_SLV_S_ALL_NS);
127 	mmio_write_32(FIREWALL_CFG_BASE + FIREWALL_CFG_FW_SYS_CON(1),
128 		      SGRF_SLV_S_ALL_NS);
129 	mmio_write_32(FIREWALL_CFG_BASE + FIREWALL_CFG_FW_SYS_CON(2),
130 		      SGRF_SLV_S_ALL_NS | STIMER_S);
131 	mmio_write_32(FIREWALL_CFG_BASE + FIREWALL_CFG_FW_SYS_CON(3),
132 		      SGRF_SLV_S_ALL_NS);
133 
134 	/* set all master ip into no-secure */
135 	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(2), 0xf0000000);
136 	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(3), SGRF_MST_S_ALL_NS);
137 	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(4), SGRF_MST_S_ALL_NS);
138 
139 	/* set DMAC into no-secure */
140 	mmio_write_32(SGRF_BASE + SGRF_DMAC_CON(3), DMA_IRQ_BOOT_NS);
141 	mmio_write_32(SGRF_BASE + SGRF_DMAC_CON(4), DMA_PERI_CH_NS_15_0);
142 	mmio_write_32(SGRF_BASE + SGRF_DMAC_CON(5), DMA_PERI_CH_NS_19_16);
143 	mmio_write_32(SGRF_BASE + SGRF_DMAC_CON(5), DMA_MANAGER_BOOT_NS);
144 
145 	/* soft reset dma before use */
146 	mmio_write_32(CRU_BASE + CRU_SOFTRSTS_CON(3), DMA_SOFTRST_REQ);
147 	udelay(5);
148 	mmio_write_32(CRU_BASE + CRU_SOFTRSTS_CON(3), DMA_SOFTRST_RLS);
149 }
150 
plat_rockchip_soc_init(void)151 void plat_rockchip_soc_init(void)
152 {
153 	secure_timer_init();
154 	sgrf_init();
155 
156 	NOTICE("BL31:Rockchip release version: v%d.%d\n",
157 	       MAJOR_VERSION, MINOR_VERSION);
158 }
159