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11#include <common.h>
12#include <command.h>
13#include "asm/m5282.h"
14#include <bmp_layout.h>
15#include <status_led.h>
16#include <bus_vcxk.h>
17
18
19
20DECLARE_GLOBAL_DATA_PTR;
21
22#ifdef CONFIG_VIDEO
23unsigned long display_width;
24unsigned long display_height;
25#endif
26
27
28
29int checkboard (void)
30{
31 puts("Board: EB+CPU5282 (BuS Elektronik GmbH & Co. KG)\n");
32#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
33 puts(" Boot from Internal FLASH\n");
34#endif
35 return 0;
36}
37
38phys_size_t initdram (int board_type)
39{
40 int size, i;
41
42 size = 0;
43 MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 |
44 MCFSDRAMC_DCR_RC((15 * CONFIG_SYS_CLK / 1000000) >> 4);
45 asm (" nop");
46#ifdef CONFIG_SYS_SDRAM_BASE0
47 MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE(CONFIG_SYS_SDRAM_BASE0)|
48 MCFSDRAMC_DACR_CASL(1) | MCFSDRAMC_DACR_CBM(3) |
49 MCFSDRAMC_DACR_PS_32;
50 asm (" nop");
51
52 MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V;
53 asm (" nop");
54
55 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP;
56 asm (" nop");
57 for (i = 0; i < 10; i++)
58 asm (" nop");
59
60 *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0) = 0xA5A5A5A5;
61 asm (" nop");
62 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE;
63 asm (" nop");
64
65 for (i = 0; i < 2000; i++)
66 asm (" nop");
67
68 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IMRS;
69 asm (" nop");
70
71 *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0 + 0x80440) = 0xA5A5A5A5;
72 asm (" nop");
73 size += CONFIG_SYS_SDRAM_SIZE0 * 1024 * 1024;
74#endif
75#ifdef CONFIG_SYS_SDRAM_BASE1xx
76 MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1)
77 | MCFSDRAMC_DACR_CASL (1)
78 | MCFSDRAMC_DACR_CBM (3)
79 | MCFSDRAMC_DACR_PS_16;
80
81 MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V;
82
83 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP;
84
85 *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1) = 0xA5A5;
86 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE;
87
88 for (i = 0; i < 2000; i++)
89 asm (" nop");
90
91 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS;
92 *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1 + 0x220) = 0xA5A5;
93 size += CONFIG_SYS_SDRAM_SIZE1 * 1024 * 1024;
94#endif
95 return size;
96}
97
98#if defined(CONFIG_SYS_DRAM_TEST)
99int testdram (void)
100{
101 uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
102 uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
103 uint *p;
104
105 printf("SDRAM test phase 1:\n");
106 for (p = pstart; p < pend; p++)
107 *p = 0xaaaaaaaa;
108
109 for (p = pstart; p < pend; p++) {
110 if (*p != 0xaaaaaaaa) {
111 printf ("SDRAM test fails at: %08x\n", (uint) p);
112 return 1;
113 }
114 }
115
116 printf("SDRAM test phase 2:\n");
117 for (p = pstart; p < pend; p++)
118 *p = 0x55555555;
119
120 for (p = pstart; p < pend; p++) {
121 if (*p != 0x55555555) {
122 printf ("SDRAM test fails at: %08x\n", (uint) p);
123 return 1;
124 }
125 }
126
127 printf("SDRAM test passed.\n");
128 return 0;
129}
130#endif
131
132#if defined(CONFIG_HW_WATCHDOG)
133
134void hw_watchdog_init(void)
135{
136 char *s;
137 int enable;
138
139 enable = 1;
140 s = getenv("watchdog");
141 if (s != NULL)
142 if ((strncmp(s, "off", 3) == 0) || (strncmp(s, "0", 1) == 0))
143 enable = 0;
144 if (enable)
145 MCFGPTA_GPTDDR |= (1<<2);
146 else
147 MCFGPTA_GPTDDR &= ~(1<<2);
148}
149
150void hw_watchdog_reset(void)
151{
152 MCFGPTA_GPTPORT ^= (1<<2);
153}
154#endif
155
156int misc_init_r(void)
157{
158#ifdef CONFIG_HW_WATCHDOG
159 hw_watchdog_init();
160#endif
161 return 1;
162}
163
164void __led_toggle(led_id_t mask)
165{
166 MCFGPTA_GPTPORT ^= (1 << 3);
167}
168
169void __led_init(led_id_t mask, int state)
170{
171 __led_set(mask, state);
172 MCFGPTA_GPTDDR |= (1 << 3);
173}
174
175void __led_set(led_id_t mask, int state)
176{
177 if (state == STATUS_LED_ON)
178 MCFGPTA_GPTPORT |= (1 << 3);
179 else
180 MCFGPTA_GPTPORT &= ~(1 << 3);
181}
182
183#if defined(CONFIG_VIDEO)
184
185int drv_video_init(void)
186{
187 char *s;
188#ifdef CONFIG_SPLASH_SCREEN
189 unsigned long splash;
190#endif
191 printf("Init Video as ");
192 s = getenv("displaywidth");
193 if (s != NULL)
194 display_width = simple_strtoul(s, NULL, 10);
195 else
196 display_width = 256;
197
198 s = getenv("displayheight");
199 if (s != NULL)
200 display_height = simple_strtoul(s, NULL, 10);
201 else
202 display_height = 256;
203
204 printf("%lu x %lu pixel matrix\n", display_width, display_height);
205
206 MCFCCM_CCR &= ~MCFCCM_CCR_SZEN;
207 MCFGPIO_PEPAR &= ~MCFGPIO_PEPAR_PEPA2;
208
209 vcxk_init(display_width, display_height);
210
211#ifdef CONFIG_SPLASH_SCREEN
212 s = getenv("splashimage");
213 if (s != NULL) {
214 splash = simple_strtoul(s, NULL, 16);
215 vcxk_acknowledge_wait();
216 video_display_bitmap(splash, 0, 0);
217 }
218#endif
219 return 0;
220}
221#endif
222
223
224
225#ifdef CONFIG_VIDEO
226int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
227{
228 int rcode = 0;
229 ulong side;
230 ulong bright;
231
232 switch (argc) {
233 case 3:
234 side = simple_strtoul(argv[1], NULL, 10);
235 bright = simple_strtoul(argv[2], NULL, 10);
236 if ((side >= 0) && (side <= 3) &&
237 (bright >= 0) && (bright <= 1000)) {
238 vcxk_setbrightness(side, bright);
239 rcode = 0;
240 } else {
241 printf("parameters out of range\n");
242 printf("Usage:\n%s\n", cmdtp->usage);
243 rcode = 1;
244 }
245 break;
246 default:
247 printf("Usage:\n%s\n", cmdtp->usage);
248 rcode = 1;
249 break;
250 }
251 return rcode;
252}
253
254
255
256U_BOOT_CMD(
257 bright, 3, 0, do_brightness,
258 "sets the display brightness\n",
259 " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n"
260);
261
262#endif
263
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265
