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Commit | Line | Data |
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507bbe3e | 1 | /* |
cfc67116 | 2 | * (C) Copyright 2007 Michal Simek |
507bbe3e WD |
3 | * (C) Copyright 2004 Atmark Techno, Inc. |
4 | * | |
cfc67116 | 5 | * Michal SIMEK <monstr@monstr.eu> |
507bbe3e WD |
6 | * Yasushi SHOJI <yashi@atmark-techno.com> |
7 | * | |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
507bbe3e WD |
9 | */ |
10 | ||
11 | #include <common.h> | |
12 | #include <command.h> | |
13 | #include <malloc.h> | |
14 | #include <version.h> | |
7abf0c58 | 15 | #include <watchdog.h> |
9769b73f | 16 | #include <stdio_dev.h> |
e0bb305d | 17 | #include <serial.h> |
d69f8f41 | 18 | #include <net.h> |
e35c05ba | 19 | #include <linux/compiler.h> |
a93c1a17 | 20 | #include <asm/processor.h> |
575a3d21 | 21 | #include <asm/microblaze_intc.h> |
b710d9d6 | 22 | #include <fdtdec.h> |
507bbe3e | 23 | |
d87080b7 WD |
24 | DECLARE_GLOBAL_DATA_PTR; |
25 | ||
507bbe3e WD |
26 | /* |
27 | * All attempts to come up with a "common" initialization sequence | |
28 | * that works for all boards and architectures failed: some of the | |
29 | * requirements are just _too_ different. To get rid of the resulting | |
30 | * mess of board dependend #ifdef'ed code we now make the whole | |
31 | * initialization sequence configurable to the user. | |
32 | * | |
33 | * The requirements for any new initalization function is simple: it | |
34 | * receives a pointer to the "global data" structure as it's only | |
35 | * argument, and returns an integer return code, where 0 means | |
36 | * "continue" and != 0 means "fatal error, hang the system". | |
37 | */ | |
38 | typedef int (init_fnc_t) (void); | |
39 | ||
40 | init_fnc_t *init_sequence[] = { | |
cfc67116 | 41 | env_init, |
b710d9d6 MS |
42 | #ifdef CONFIG_OF_CONTROL |
43 | fdtdec_check_fdt, | |
44 | #endif | |
cfc67116 | 45 | serial_init, |
077a4e6b | 46 | console_init_f, |
cfc67116 | 47 | interrupts_init, |
0f21f98d MS |
48 | #ifdef CONFIG_XILINX_TB_WATCHDOG |
49 | hw_watchdog_init, | |
50 | #endif | |
5bbcb6cf | 51 | timer_init, |
507bbe3e WD |
52 | NULL, |
53 | }; | |
54 | ||
a93c1a17 MS |
55 | unsigned long monitor_flash_len; |
56 | ||
2380b8f5 | 57 | void board_init_f(ulong not_used) |
7abf0c58 | 58 | { |
857cad37 | 59 | bd_t *bd; |
7abf0c58 | 60 | init_fnc_t **init_fnc_ptr; |
50ffb117 AB |
61 | gd = (gd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET); |
62 | bd = (bd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET | |
1020286e | 63 | - GENERATED_BD_INFO_SIZE); |
7def6b34 | 64 | #if defined(CONFIG_CMD_FLASH) |
cfc67116 MS |
65 | ulong flash_size = 0; |
66 | #endif | |
67 | asm ("nop"); /* FIXME gd is not initialize - wait */ | |
50ffb117 AB |
68 | memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE); |
69 | memset((void *)bd, 0, GENERATED_BD_INFO_SIZE); | |
1020286e | 70 | gd->bd = bd; |
857cad37 | 71 | gd->baudrate = CONFIG_BAUDRATE; |
857cad37 | 72 | bd->bi_baudrate = CONFIG_BAUDRATE; |
6d0f6bcf JCPV |
73 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; |
74 | bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; | |
c85ff055 | 75 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
cfc67116 | 76 | |
a93c1a17 MS |
77 | monitor_flash_len = __end - __text_start; |
78 | ||
b710d9d6 MS |
79 | #ifdef CONFIG_OF_EMBED |
80 | /* Get a pointer to the FDT */ | |
81 | gd->fdt_blob = _binary_dt_dtb_start; | |
82 | #elif defined CONFIG_OF_SEPARATE | |
83 | /* FDT is at end of image */ | |
84 | gd->fdt_blob = (void *)__end; | |
85 | #endif | |
86 | /* Allow the early environment to override the fdt address */ | |
87 | gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, | |
88 | (uintptr_t)gd->fdt_blob); | |
89 | ||
d4e8ada0 PT |
90 | /* |
91 | * The Malloc area is immediately below the monitor copy in DRAM | |
92 | * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off | |
93 | * as our monitory code is run from SDRAM | |
94 | */ | |
50ffb117 | 95 | mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN); |
857cad37 | 96 | |
e0bb305d | 97 | serial_initialize(); |
e0bb305d | 98 | |
7abf0c58 | 99 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { |
50ffb117 AB |
100 | WATCHDOG_RESET(); |
101 | if ((*init_fnc_ptr) () != 0) | |
102 | hang(); | |
7abf0c58 WD |
103 | } |
104 | ||
b710d9d6 MS |
105 | #ifdef CONFIG_OF_CONTROL |
106 | /* For now, put this check after the console is ready */ | |
50ffb117 AB |
107 | if (fdtdec_prepare_fdt()) |
108 | panic("** No FDT - please see doc/README.fdt-control"); | |
109 | else | |
b710d9d6 MS |
110 | printf("DTB: 0x%x\n", (u32)gd->fdt_blob); |
111 | #endif | |
112 | ||
50ffb117 AB |
113 | puts("SDRAM :\n"); |
114 | printf("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF"); | |
115 | printf("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF"); | |
116 | printf("\tU-Boot Start:0x%08x\n", CONFIG_SYS_TEXT_BASE); | |
b4f8dda3 | 117 | |
7def6b34 | 118 | #if defined(CONFIG_CMD_FLASH) |
50ffb117 | 119 | puts("Flash: "); |
6d0f6bcf | 120 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; |
c60a5791 MS |
121 | flash_size = flash_init(); |
122 | if (bd->bi_flashstart && flash_size > 0) { | |
b4f8dda3 | 123 | # ifdef CONFIG_SYS_FLASH_CHECKSUM |
50ffb117 | 124 | print_size(flash_size, ""); |
b4f8dda3 MS |
125 | /* |
126 | * Compute and print flash CRC if flashchecksum is set to 'y' | |
127 | * | |
128 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX | |
129 | */ | |
ec8a252c | 130 | if (getenv_yesno("flashchecksum") == 1) { |
50ffb117 AB |
131 | printf(" CRC: %08X", |
132 | crc32(0, (const u8 *)bd->bi_flashstart, | |
133 | flash_size) | |
b4f8dda3 MS |
134 | ); |
135 | } | |
50ffb117 | 136 | putc('\n'); |
b4f8dda3 | 137 | # else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
50ffb117 | 138 | print_size(flash_size, "\n"); |
b4f8dda3 | 139 | # endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
c60a5791 MS |
140 | bd->bi_flashsize = flash_size; |
141 | bd->bi_flashoffset = bd->bi_flashstart + flash_size; | |
cfc67116 | 142 | } else { |
50ffb117 | 143 | puts("Flash init FAILED"); |
cfc67116 MS |
144 | bd->bi_flashstart = 0; |
145 | bd->bi_flashsize = 0; | |
146 | bd->bi_flashoffset = 0; | |
147 | } | |
148 | #endif | |
149 | ||
9769b73f | 150 | /* relocate environment function pointers etc. */ |
50ffb117 | 151 | env_relocate(); |
9769b73f MS |
152 | |
153 | /* Initialize stdio devices */ | |
50ffb117 | 154 | stdio_init(); |
9769b73f | 155 | |
aa7acdd5 MS |
156 | /* Initialize the jump table for applications */ |
157 | jumptable_init(); | |
158 | ||
159 | /* Initialize the console (after the relocation and devices init) */ | |
160 | console_init_r(); | |
161 | ||
2380b8f5 MS |
162 | board_init(); |
163 | ||
94e4dae9 SG |
164 | /* Initialize from environment */ |
165 | load_addr = getenv_ulong("loadaddr", 16, load_addr); | |
9769b73f | 166 | |
7def6b34 | 167 | #if defined(CONFIG_CMD_NET) |
d69f8f41 MS |
168 | printf("Net: "); |
169 | eth_initialize(gd->bd); | |
170 | ||
171 | uchar enetaddr[6]; | |
172 | eth_getenv_enetaddr("ethaddr", enetaddr); | |
173 | printf("MAC: %pM\n", enetaddr); | |
cfc67116 MS |
174 | #endif |
175 | ||
7abf0c58 WD |
176 | /* main_loop */ |
177 | for (;;) { | |
50ffb117 AB |
178 | WATCHDOG_RESET(); |
179 | main_loop(); | |
7abf0c58 WD |
180 | } |
181 | } |