1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
4 * (C) Copyright 2013 - 2018 Xilinx, Inc.
5 */
6
7 #include <common.h>
8 #include <init.h>
9 #include <log.h>
10 #include <dm/uclass.h>
11 #include <env.h>
12 #include <env_internal.h>
13 #include <fdtdec.h>
14 #include <fpga.h>
15 #include <malloc.h>
16 #include <memalign.h>
17 #include <mmc.h>
18 #include <watchdog.h>
19 #include <wdt.h>
20 #include <zynqpl.h>
21 #include <asm/global_data.h>
22 #include <asm/arch/hardware.h>
23 #include <asm/arch/sys_proto.h>
24 #include "../common/board.h"
25
26 DECLARE_GLOBAL_DATA_PTR;
27
board_init(void)28 int board_init(void)
29 {
30 if (IS_ENABLED(CONFIG_SPL_BUILD))
31 printf("Silicon version:\t%d\n", zynq_get_silicon_version());
32
33 return 0;
34 }
35
board_late_init(void)36 int board_late_init(void)
37 {
38 int env_targets_len = 0;
39 const char *mode;
40 char *new_targets;
41 char *env_targets;
42
43 if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
44 debug("Saved variables - Skipping\n");
45 return 0;
46 }
47
48 if (!CONFIG_IS_ENABLED(ENV_VARS_UBOOT_RUNTIME_CONFIG))
49 return 0;
50
51 switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
52 case ZYNQ_BM_QSPI:
53 mode = "qspi";
54 env_set("modeboot", "qspiboot");
55 break;
56 case ZYNQ_BM_NAND:
57 mode = "nand";
58 env_set("modeboot", "nandboot");
59 break;
60 case ZYNQ_BM_NOR:
61 mode = "nor";
62 env_set("modeboot", "norboot");
63 break;
64 case ZYNQ_BM_SD:
65 mode = "mmc0";
66 env_set("modeboot", "sdboot");
67 break;
68 case ZYNQ_BM_JTAG:
69 mode = "jtag pxe dhcp";
70 env_set("modeboot", "jtagboot");
71 break;
72 default:
73 mode = "";
74 env_set("modeboot", "");
75 break;
76 }
77
78 /*
79 * One terminating char + one byte for space between mode
80 * and default boot_targets
81 */
82 env_targets = env_get("boot_targets");
83 if (env_targets)
84 env_targets_len = strlen(env_targets);
85
86 new_targets = calloc(1, strlen(mode) + env_targets_len + 2);
87 if (!new_targets)
88 return -ENOMEM;
89
90 sprintf(new_targets, "%s %s", mode,
91 env_targets ? env_targets : "");
92
93 env_set("boot_targets", new_targets);
94
95 return board_late_init_xilinx();
96 }
97
98 #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
dram_init_banksize(void)99 int dram_init_banksize(void)
100 {
101 return fdtdec_setup_memory_banksize();
102 }
103
dram_init(void)104 int dram_init(void)
105 {
106 if (fdtdec_setup_mem_size_base() != 0)
107 return -EINVAL;
108
109 zynq_ddrc_init();
110
111 return 0;
112 }
113 #else
dram_init(void)114 int dram_init(void)
115 {
116 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
117 CONFIG_SYS_SDRAM_SIZE);
118
119 zynq_ddrc_init();
120
121 return 0;
122 }
123 #endif
124
env_get_location(enum env_operation op,int prio)125 enum env_location env_get_location(enum env_operation op, int prio)
126 {
127 u32 bootmode = zynq_slcr_get_boot_mode() & ZYNQ_BM_MASK;
128
129 if (prio)
130 return ENVL_UNKNOWN;
131
132 switch (bootmode) {
133 case ZYNQ_BM_SD:
134 if (IS_ENABLED(CONFIG_ENV_IS_IN_FAT))
135 return ENVL_FAT;
136 if (IS_ENABLED(CONFIG_ENV_IS_IN_EXT4))
137 return ENVL_EXT4;
138 return ENVL_NOWHERE;
139 case ZYNQ_BM_NAND:
140 if (IS_ENABLED(CONFIG_ENV_IS_IN_NAND))
141 return ENVL_NAND;
142 if (IS_ENABLED(CONFIG_ENV_IS_IN_UBI))
143 return ENVL_UBI;
144 return ENVL_NOWHERE;
145 case ZYNQ_BM_NOR:
146 case ZYNQ_BM_QSPI:
147 if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
148 return ENVL_SPI_FLASH;
149 return ENVL_NOWHERE;
150 case ZYNQ_BM_JTAG:
151 default:
152 return ENVL_NOWHERE;
153 }
154 }
155
156 #if defined(CONFIG_SET_DFU_ALT_INFO)
157
158 #define DFU_ALT_BUF_LEN SZ_1K
159
set_dfu_alt_info(char * interface,char * devstr)160 void set_dfu_alt_info(char *interface, char *devstr)
161 {
162 ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
163
164 if (env_get("dfu_alt_info"))
165 return;
166
167 memset(buf, 0, sizeof(buf));
168
169 switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
170 case ZYNQ_BM_SD:
171 snprintf(buf, DFU_ALT_BUF_LEN,
172 "mmc 0:1=boot.bin fat 0 1;"
173 "u-boot.img fat 0 1");
174 break;
175 case ZYNQ_BM_QSPI:
176 snprintf(buf, DFU_ALT_BUF_LEN,
177 "sf 0:0=boot.bin raw 0 0x1500000;"
178 "u-boot.img raw 0x%x 0x500000",
179 CONFIG_SYS_SPI_U_BOOT_OFFS);
180 break;
181 default:
182 return;
183 }
184
185 env_set("dfu_alt_info", buf);
186 puts("DFU alt info setting: done\n");
187 }
188 #endif
189