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10#include <common.h>
11#include <command.h>
12#include "asm/m5282.h"
13#include <bmp_layout.h>
14#include <status_led.h>
15#include <bus_vcxk.h>
16
17
18
19DECLARE_GLOBAL_DATA_PTR;
20
21#ifdef CONFIG_VIDEO
22unsigned long display_width;
23unsigned long display_height;
24#endif
25
26
27
28int checkboard (void)
29{
30 puts("Board: EB+CPU5282 (BuS Elektronik GmbH & Co. KG)\n");
31#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
32 puts(" Boot from Internal FLASH\n");
33#endif
34 return 0;
35}
36
37int dram_init(void)
38{
39 int size, i;
40
41 size = 0;
42 MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 |
43 MCFSDRAMC_DCR_RC((15 * CONFIG_SYS_CLK / 1000000) >> 4);
44 asm (" nop");
45#ifdef CONFIG_SYS_SDRAM_BASE0
46 MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE(CONFIG_SYS_SDRAM_BASE0)|
47 MCFSDRAMC_DACR_CASL(1) | MCFSDRAMC_DACR_CBM(3) |
48 MCFSDRAMC_DACR_PS_32;
49 asm (" nop");
50
51 MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V;
52 asm (" nop");
53
54 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP;
55 asm (" nop");
56 for (i = 0; i < 10; i++)
57 asm (" nop");
58
59 *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0) = 0xA5A5A5A5;
60 asm (" nop");
61 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE;
62 asm (" nop");
63
64 for (i = 0; i < 2000; i++)
65 asm (" nop");
66
67 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IMRS;
68 asm (" nop");
69
70 *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0 + 0x80440) = 0xA5A5A5A5;
71 asm (" nop");
72 size += CONFIG_SYS_SDRAM_SIZE0 * 1024 * 1024;
73#endif
74#ifdef CONFIG_SYS_SDRAM_BASE1xx
75 MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1)
76 | MCFSDRAMC_DACR_CASL (1)
77 | MCFSDRAMC_DACR_CBM (3)
78 | MCFSDRAMC_DACR_PS_16;
79
80 MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V;
81
82 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP;
83
84 *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1) = 0xA5A5;
85 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE;
86
87 for (i = 0; i < 2000; i++)
88 asm (" nop");
89
90 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS;
91 *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1 + 0x220) = 0xA5A5;
92 size += CONFIG_SYS_SDRAM_SIZE1 * 1024 * 1024;
93#endif
94 gd->ram_size = size;
95
96 return 0;
97}
98
99#if defined(CONFIG_SYS_DRAM_TEST)
100int testdram (void)
101{
102 uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
103 uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
104 uint *p;
105
106 printf("SDRAM test phase 1:\n");
107 for (p = pstart; p < pend; p++)
108 *p = 0xaaaaaaaa;
109
110 for (p = pstart; p < pend; p++) {
111 if (*p != 0xaaaaaaaa) {
112 printf ("SDRAM test fails at: %08x\n", (uint) p);
113 return 1;
114 }
115 }
116
117 printf("SDRAM test phase 2:\n");
118 for (p = pstart; p < pend; p++)
119 *p = 0x55555555;
120
121 for (p = pstart; p < pend; p++) {
122 if (*p != 0x55555555) {
123 printf ("SDRAM test fails at: %08x\n", (uint) p);
124 return 1;
125 }
126 }
127
128 printf("SDRAM test passed.\n");
129 return 0;
130}
131#endif
132
133#if defined(CONFIG_HW_WATCHDOG)
134
135void hw_watchdog_init(void)
136{
137 char *s;
138 int enable;
139
140 enable = 1;
141 s = env_get("watchdog");
142 if (s != NULL)
143 if ((strncmp(s, "off", 3) == 0) || (strncmp(s, "0", 1) == 0))
144 enable = 0;
145 if (enable)
146 MCFGPTA_GPTDDR |= (1<<2);
147 else
148 MCFGPTA_GPTDDR &= ~(1<<2);
149}
150
151void hw_watchdog_reset(void)
152{
153 MCFGPTA_GPTPORT ^= (1<<2);
154}
155#endif
156
157int misc_init_r(void)
158{
159#ifdef CONFIG_HW_WATCHDOG
160 hw_watchdog_init();
161#endif
162 return 1;
163}
164
165void __led_toggle(led_id_t mask)
166{
167 MCFGPTA_GPTPORT ^= (1 << 3);
168}
169
170void __led_init(led_id_t mask, int state)
171{
172 __led_set(mask, state);
173 MCFGPTA_GPTDDR |= (1 << 3);
174}
175
176void __led_set(led_id_t mask, int state)
177{
178 if (state == CONFIG_LED_STATUS_ON)
179 MCFGPTA_GPTPORT |= (1 << 3);
180 else
181 MCFGPTA_GPTPORT &= ~(1 << 3);
182}
183
184#if defined(CONFIG_VIDEO)
185
186int drv_video_init(void)
187{
188 char *s;
189#ifdef CONFIG_SPLASH_SCREEN
190 unsigned long splash;
191#endif
192 printf("Init Video as ");
193 s = env_get("displaywidth");
194 if (s != NULL)
195 display_width = simple_strtoul(s, NULL, 10);
196 else
197 display_width = 256;
198
199 s = env_get("displayheight");
200 if (s != NULL)
201 display_height = simple_strtoul(s, NULL, 10);
202 else
203 display_height = 256;
204
205 printf("%lu x %lu pixel matrix\n", display_width, display_height);
206
207 MCFCCM_CCR &= ~MCFCCM_CCR_SZEN;
208 MCFGPIO_PEPAR &= ~MCFGPIO_PEPAR_PEPA2;
209
210 vcxk_init(display_width, display_height);
211
212#ifdef CONFIG_SPLASH_SCREEN
213 s = env_get("splashimage");
214 if (s != NULL) {
215 splash = simple_strtoul(s, NULL, 16);
216 vcxk_acknowledge_wait();
217 video_display_bitmap(splash, 0, 0);
218 }
219#endif
220 return 0;
221}
222#endif
223
224
225
226#ifdef CONFIG_VIDEO
227int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
228{
229 int rcode = 0;
230 ulong side;
231 ulong bright;
232
233 switch (argc) {
234 case 3:
235 side = simple_strtoul(argv[1], NULL, 10);
236 bright = simple_strtoul(argv[2], NULL, 10);
237 if ((side >= 0) && (side <= 3) &&
238 (bright >= 0) && (bright <= 1000)) {
239 vcxk_setbrightness(side, bright);
240 rcode = 0;
241 } else {
242 printf("parameters out of range\n");
243 printf("Usage:\n%s\n", cmdtp->usage);
244 rcode = 1;
245 }
246 break;
247 default:
248 printf("Usage:\n%s\n", cmdtp->usage);
249 rcode = 1;
250 break;
251 }
252 return rcode;
253}
254
255
256
257U_BOOT_CMD(
258 bright, 3, 0, do_brightness,
259 "sets the display brightness\n",
260 " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n"
261);
262
263#endif
264
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266
