1 /*
2  * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <assert.h>
8 #include <errno.h>
9 
10 #include <platform_def.h>
11 
12 #include <arch_helpers.h>
13 #include <common/bl_common.h>
14 #include <common/debug.h>
15 #include <common/interrupt_props.h>
16 #include <drivers/arm/cci.h>
17 #include <drivers/arm/gicv2.h>
18 #include <drivers/arm/pl011.h>
19 #include <lib/mmio.h>
20 
21 #include <hi6220.h>
22 #include <hikey_def.h>
23 #include <hisi_ipc.h>
24 #include <hisi_pwrc.h>
25 
26 #include "hikey_private.h"
27 
28 static entry_point_info_t bl32_ep_info;
29 static entry_point_info_t bl33_ep_info;
30 static console_t console;
31 
32 /******************************************************************************
33  * On a GICv2 system, the Group 1 secure interrupts are treated as Group 0
34  * interrupts.
35  *****************************************************************************/
36 static const interrupt_prop_t g0_interrupt_props[] = {
37 	INTR_PROP_DESC(IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY,
38 		       GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL),
39 	INTR_PROP_DESC(IRQ_SEC_SGI_0, GIC_HIGHEST_SEC_PRIORITY,
40 		       GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL),
41 };
42 
43 /*
44  * Ideally `arm_gic_data` structure definition should be a `const` but it is
45  * kept as modifiable for overwriting with different GICD and GICC base when
46  * running on FVP with VE memory map.
47  */
48 gicv2_driver_data_t hikey_gic_data = {
49 	.gicd_base = PLAT_ARM_GICD_BASE,
50 	.gicc_base = PLAT_ARM_GICC_BASE,
51 	.interrupt_props = g0_interrupt_props,
52 	.interrupt_props_num = ARRAY_SIZE(g0_interrupt_props),
53 };
54 
55 static const int cci_map[] = {
56 	CCI400_SL_IFACE3_CLUSTER_IX,
57 	CCI400_SL_IFACE4_CLUSTER_IX
58 };
59 
bl31_plat_get_next_image_ep_info(uint32_t type)60 entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
61 {
62 	entry_point_info_t *next_image_info;
63 
64 	next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info;
65 
66 	/* None of the images on this platform can have 0x0 as the entrypoint */
67 	if (next_image_info->pc)
68 		return next_image_info;
69 	return NULL;
70 }
71 
bl31_early_platform_setup2(u_register_t arg0,u_register_t arg1,u_register_t arg2,u_register_t arg3)72 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
73 				u_register_t arg2, u_register_t arg3)
74 {
75 	void *from_bl2;
76 
77 	from_bl2 = (void *) arg0;
78 
79 	/* Initialize the console to provide early debug support */
80 	console_pl011_register(CONSOLE_BASE, PL011_UART_CLK_IN_HZ,
81 			       PL011_BAUDRATE, &console);
82 
83 	/* Initialize CCI driver */
84 	cci_init(CCI400_BASE, cci_map, ARRAY_SIZE(cci_map));
85 	cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
86 
87 	/*
88 	 * Check params passed from BL2 should not be NULL,
89 	 */
90 	bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2;
91 	assert(params_from_bl2 != NULL);
92 	assert(params_from_bl2->h.type == PARAM_BL_PARAMS);
93 	assert(params_from_bl2->h.version >= VERSION_2);
94 
95 	bl_params_node_t *bl_params = params_from_bl2->head;
96 
97 	/*
98 	 * Copy BL33 and BL32 (if present), entry point information.
99 	 * They are stored in Secure RAM, in BL2's address space.
100 	 */
101 	while (bl_params) {
102 		if (bl_params->image_id == BL32_IMAGE_ID)
103 			bl32_ep_info = *bl_params->ep_info;
104 
105 		if (bl_params->image_id == BL33_IMAGE_ID)
106 			bl33_ep_info = *bl_params->ep_info;
107 
108 		bl_params = bl_params->next_params_info;
109 	}
110 
111 	if (bl33_ep_info.pc == 0)
112 		panic();
113 }
114 
bl31_plat_arch_setup(void)115 void bl31_plat_arch_setup(void)
116 {
117 	hikey_init_mmu_el3(BL31_BASE,
118 			   BL31_LIMIT - BL31_BASE,
119 			   BL_CODE_BASE,
120 			   BL_CODE_END,
121 			   BL_COHERENT_RAM_BASE,
122 			   BL_COHERENT_RAM_END);
123 }
124 
125 /* Initialize EDMAC controller with non-secure mode. */
hikey_edma_init(void)126 static void hikey_edma_init(void)
127 {
128 	int i;
129 	uint32_t non_secure;
130 
131 	non_secure = EDMAC_SEC_CTRL_INTR_SEC | EDMAC_SEC_CTRL_GLOBAL_SEC;
132 	mmio_write_32(EDMAC_SEC_CTRL, non_secure);
133 
134 	for (i = 0; i < EDMAC_CHANNEL_NUMS; i++) {
135 		mmio_write_32(EDMAC_AXI_CONF(i), (1 << 6) | (1 << 18));
136 	}
137 }
138 
bl31_platform_setup(void)139 void bl31_platform_setup(void)
140 {
141 	/* Initialize the GIC driver, cpu and distributor interfaces */
142 	gicv2_driver_init(&hikey_gic_data);
143 	gicv2_distif_init();
144 	gicv2_pcpu_distif_init();
145 	gicv2_cpuif_enable();
146 
147 	hikey_edma_init();
148 
149 	hisi_ipc_init();
150 	hisi_pwrc_setup();
151 }
152 
bl31_plat_runtime_setup(void)153 void bl31_plat_runtime_setup(void)
154 {
155 }
156