blob: 0ca15e8606ed811933842e49d33f32e9525b1a22 [file] [log] [blame]
Antonio Nino Diaz272e8712018-09-18 01:36:00 +01001/*
2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#include <assert.h>
Antonio Nino Diaz272e8712018-09-18 01:36:00 +01008#include <stdint.h>
Antonio Nino Diaze0f90632018-12-14 00:18:21 +00009
10#include <platform_def.h>
11
12#include <bl31/interrupt_mgmt.h>
13#include <common/bl_common.h>
14#include <common/debug.h>
15#include <common/ep_info.h>
16#include <drivers/meson/meson_console.h>
17#include <lib/mmio.h>
18#include <lib/xlat_tables/xlat_tables_v2.h>
Antonio Nino Diaz272e8712018-09-18 01:36:00 +010019
20/*******************************************************************************
21 * Platform memory map regions
22 ******************************************************************************/
23#define MAP_NSDRAM0 MAP_REGION_FLAT(GXBB_NSDRAM0_BASE, \
24 GXBB_NSDRAM0_SIZE, \
25 MT_MEMORY | MT_RW | MT_NS)
26
27#define MAP_NSDRAM1 MAP_REGION_FLAT(GXBB_NSDRAM1_BASE, \
28 GXBB_NSDRAM1_SIZE, \
29 MT_MEMORY | MT_RW | MT_NS)
30
31#define MAP_SEC_DEVICE0 MAP_REGION_FLAT(GXBB_SEC_DEVICE0_BASE, \
32 GXBB_SEC_DEVICE0_SIZE, \
33 MT_DEVICE | MT_RW | MT_SECURE)
34
35#define MAP_SEC_DEVICE1 MAP_REGION_FLAT(GXBB_SEC_DEVICE1_BASE, \
36 GXBB_SEC_DEVICE1_SIZE, \
37 MT_DEVICE | MT_RW | MT_SECURE)
38
39#define MAP_TZRAM MAP_REGION_FLAT(GXBB_TZRAM_BASE, \
40 GXBB_TZRAM_SIZE, \
41 MT_DEVICE | MT_RW | MT_SECURE)
42
43#define MAP_SEC_DEVICE2 MAP_REGION_FLAT(GXBB_SEC_DEVICE2_BASE, \
44 GXBB_SEC_DEVICE2_SIZE, \
45 MT_DEVICE | MT_RW | MT_SECURE)
46
47#define MAP_SEC_DEVICE3 MAP_REGION_FLAT(GXBB_SEC_DEVICE3_BASE, \
48 GXBB_SEC_DEVICE3_SIZE, \
49 MT_DEVICE | MT_RW | MT_SECURE)
50
51static const mmap_region_t gxbb_mmap[] = {
52 MAP_NSDRAM0,
53 MAP_NSDRAM1,
54 MAP_SEC_DEVICE0,
55 MAP_SEC_DEVICE1,
56 MAP_TZRAM,
57 MAP_SEC_DEVICE2,
58 MAP_SEC_DEVICE3,
59 {0}
60};
61
62/*******************************************************************************
63 * Per-image regions
64 ******************************************************************************/
65#define MAP_BL31 MAP_REGION_FLAT(BL31_BASE, \
66 BL31_END - BL31_BASE, \
67 MT_MEMORY | MT_RW | MT_SECURE)
68
69#define MAP_BL_CODE MAP_REGION_FLAT(BL_CODE_BASE, \
70 BL_CODE_END - BL_CODE_BASE, \
71 MT_CODE | MT_SECURE)
72
73#define MAP_BL_RO_DATA MAP_REGION_FLAT(BL_RO_DATA_BASE, \
74 BL_RO_DATA_END - BL_RO_DATA_BASE, \
75 MT_RO_DATA | MT_SECURE)
76
77#define MAP_BL_COHERENT MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, \
78 BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \
79 MT_DEVICE | MT_RW | MT_SECURE)
80
81/*******************************************************************************
82 * Function that sets up the translation tables.
83 ******************************************************************************/
84void gxbb_setup_page_tables(void)
85{
86#if IMAGE_BL31
87 const mmap_region_t gxbb_bl_mmap[] = {
88 MAP_BL31,
89 MAP_BL_CODE,
90 MAP_BL_RO_DATA,
91#if USE_COHERENT_MEM
92 MAP_BL_COHERENT,
93#endif
94 {0}
95 };
96#endif
97
98 mmap_add(gxbb_bl_mmap);
99
100 mmap_add(gxbb_mmap);
101
102 init_xlat_tables();
103}
104
105/*******************************************************************************
106 * Function that sets up the console
107 ******************************************************************************/
108static console_meson_t gxbb_console;
109
110void gxbb_console_init(void)
111{
112 int rc = console_meson_register(GXBB_UART0_AO_BASE,
113 GXBB_UART0_AO_CLK_IN_HZ,
114 GXBB_UART_BAUDRATE,
115 &gxbb_console);
116 if (rc == 0) {
117 /*
118 * The crash console doesn't use the multi console API, it uses
119 * the core console functions directly. It is safe to call panic
120 * and let it print debug information.
121 */
122 panic();
123 }
124
125 console_set_scope(&gxbb_console.console,
126 CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME);
127}
128
129/*******************************************************************************
130 * Function that returns the system counter frequency
131 ******************************************************************************/
132unsigned int plat_get_syscnt_freq2(void)
133{
134 uint32_t val;
135
136 val = mmio_read_32(GXBB_SYS_CPU_CFG7);
137 val &= 0xFDFFFFFF;
138 mmio_write_32(GXBB_SYS_CPU_CFG7, val);
139
140 val = mmio_read_32(GXBB_AO_TIMESTAMP_CNTL);
141 val &= 0xFFFFFE00;
142 mmio_write_32(GXBB_AO_TIMESTAMP_CNTL, val);
143
144 return GXBB_OSC24M_CLK_IN_HZ;
145}