]> git.ipfire.org Git - people/ms/u-boot.git/blame - lib_sh/board.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / lib_sh / board.c
CommitLineData
0b135cfc 1/*
1a2334a4 2 * Copyright (C) 2007,2008
0b135cfc
NI
3 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
18 * MA 02111-1307 USA
19 */
20
21#include <common.h>
22#include <command.h>
23#include <malloc.h>
24#include <devices.h>
25#include <version.h>
4a065abf 26#include <watchdog.h>
0b135cfc
NI
27#include <net.h>
28#include <environment.h>
29
30extern void malloc_bin_reloc (void);
31extern int cpu_init(void);
32extern int board_init(void);
33extern int dram_init(void);
0b135cfc
NI
34extern int timer_init(void);
35
36const char version_string[] = U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
37
6d0f6bcf 38unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
0b135cfc
NI
39
40static unsigned long mem_malloc_start;
41static unsigned long mem_malloc_end;
42static unsigned long mem_malloc_brk;
43
4a065abf 44static void mem_malloc_init(void)
0b135cfc
NI
45{
46
6d0f6bcf
JCPV
47 mem_malloc_start = (TEXT_BASE - CONFIG_SYS_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN);
48 mem_malloc_end = (mem_malloc_start + CONFIG_SYS_MALLOC_LEN - 16);
0b135cfc 49 mem_malloc_brk = mem_malloc_start;
4a065abf 50 memset((void *) mem_malloc_start, 0,
0b135cfc
NI
51 (mem_malloc_end - mem_malloc_start));
52}
53
4a065abf 54void *sbrk(ptrdiff_t increment)
0b135cfc
NI
55{
56 unsigned long old = mem_malloc_brk;
57 unsigned long new = old + increment;
58
59 if ((new < mem_malloc_start) ||
60 (new > mem_malloc_end)) {
61 return NULL;
62 }
63
64 mem_malloc_brk = new;
65 return (void *) old;
66}
67
b02bad12
NI
68static int sh_flash_init(void)
69{
70 DECLARE_GLOBAL_DATA_PTR;
71
72 gd->bd->bi_flashsize = flash_init();
4a065abf 73 printf("FLASH: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
b02bad12
NI
74
75 return 0;
76}
77
78#if defined(CONFIG_CMD_NAND)
4a065abf
NI
79# include <nand.h>
80# define INIT_FUNC_NAND_INIT nand_init,
81#else
82# define INIT_FUNC_NAND_INIT
b02bad12
NI
83#endif /* CONFIG_CMD_NAND */
84
4a065abf
NI
85#if defined(CONFIG_WATCHDOG)
86extern int watchdog_init(void);
87extern int watchdog_disable(void);
88# define INIT_FUNC_WATCHDOG_INIT watchdog_init,
89# define WATCHDOG_DISABLE watchdog_disable
90#else
91# define INIT_FUNC_WATCHDOG_INIT
92# define WATCHDOG_DISABLE
93#endif /* CONFIG_WATCHDOG */
94
b02bad12 95#if defined(CONFIG_CMD_IDE)
4a065abf
NI
96# include <ide.h>
97# define INIT_FUNC_IDE_INIT ide_init,
98#else
99# define INIT_FUNC_IDE_INIT
100#endif /* CONFIG_CMD_IDE */
b02bad12 101
1a2334a4 102#if defined(CONFIG_PCI)
4a065abf 103#include <pci.h>
1a2334a4
YG
104static int sh_pci_init(void)
105{
106 pci_init();
107 return 0;
108}
4a065abf
NI
109# define INIT_FUNC_PCI_INIT sh_pci_init,
110#else
111# define INIT_FUNC_PCI_INIT
1a2334a4
YG
112#endif /* CONFIG_PCI */
113
b02bad12
NI
114static int sh_mem_env_init(void)
115{
116 mem_malloc_init();
117 malloc_bin_reloc();
118 env_relocate();
119 jumptable_init();
120 return 0;
121}
122
9e23fe05 123#if defined(CONFIG_CMD_NET)
b02bad12
NI
124static int sh_net_init(void)
125{
126 DECLARE_GLOBAL_DATA_PTR;
127 char *s, *e;
128 int i;
129
130 gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
131 s = getenv("ethaddr");
132 for (i = 0; i < 6; ++i) {
133 gd->bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
4a065abf
NI
134 if (s)
135 s = (*e) ? e + 1 : e;
b02bad12
NI
136 }
137
138 return 0;
139}
9e23fe05 140#endif
b02bad12 141
0b135cfc
NI
142typedef int (init_fnc_t) (void);
143
144init_fnc_t *init_sequence[] =
145{
146 cpu_init, /* basic cpu dependent setup */
147 board_init, /* basic board dependent setup */
4a065abf 148 interrupt_init, /* set up exceptions */
0b135cfc 149 env_init, /* event init */
4a065abf
NI
150 serial_init, /* SCIF init */
151 INIT_FUNC_WATCHDOG_INIT /* watchdog init */
0b135cfc
NI
152 console_init_f,
153 display_options,
154 checkcpu,
b02bad12 155 checkboard, /* Check support board */
0b135cfc 156 dram_init, /* SDRAM init */
b02bad12 157 timer_init, /* SuperH Timer (TCNT0 only) init */
4a065abf 158 sh_flash_init, /* Flash memory(NOR) init*/
b02bad12 159 sh_mem_env_init,
4a065abf
NI
160 INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
161 INIT_FUNC_PCI_INIT /* PCI init */
b02bad12
NI
162 devices_init,
163 console_init_r,
164 interrupt_init,
165#ifdef BOARD_LATE_INIT
166 board_late_init,
167#endif
168#if defined(CONFIG_CMD_NET)
169 sh_net_init, /* SH specific eth init */
170#endif
0b135cfc
NI
171 NULL /* Terminate this list */
172};
173
4a065abf 174void sh_generic_init(void)
0b135cfc
NI
175{
176 DECLARE_GLOBAL_DATA_PTR;
177
178 bd_t *bd;
179 init_fnc_t **init_fnc_ptr;
0b135cfc 180
6d0f6bcf 181 memset(gd, 0, CONFIG_SYS_GBL_DATA_SIZE);
0b135cfc
NI
182
183 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
184
4a065abf 185 gd->bd = (bd_t *)(gd + 1); /* At end of global data */
0b135cfc
NI
186 gd->baudrate = CONFIG_BAUDRATE;
187
188 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
189
190 bd = gd->bd;
6d0f6bcf
JCPV
191 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
192 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
193 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
194#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
195 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
196 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
0b135cfc
NI
197#endif
198 bd->bi_baudrate = CONFIG_BAUDRATE;
199
4a065abf
NI
200 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
201 WATCHDOG_RESET();
202 if ((*init_fnc_ptr) () != 0)
0b135cfc 203 hang();
0b135cfc 204 }
0b135cfc 205
4a065abf
NI
206#ifdef CONFIG_WATCHDOG
207 /* disable watchdog if environment is set */
208 {
209 char *s = getenv("watchdog");
210 if (s != NULL)
211 if (strncmp(s, "off", 3) == 0)
212 WATCHDOG_DISABLE();
213 }
214#endif /* CONFIG_WATCHDOG*/
b02bad12 215
4a065abf
NI
216
217#if defined(CONFIG_CMD_NET)
218 {
219 char *s;
220 puts("Net: ");
221 eth_initialize(gd->bd);
222
223 s = getenv("bootfile");
224 if (s != NULL)
225 copy_filename(BootFile, s, sizeof(BootFile));
b02bad12
NI
226 }
227#endif /* CONFIG_CMD_NET */
228
0b135cfc 229 while (1) {
4a065abf 230 WATCHDOG_RESET();
0b135cfc
NI
231 main_loop();
232 }
233}
234
0b135cfc
NI
235/***********************************************************************/
236
4a065abf 237void hang(void)
0b135cfc 238{
4a065abf
NI
239 puts("Board ERROR\n");
240 for (;;)
241 ;
0b135cfc 242}