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10#include <common.h>
11#include <command.h>
12#include "asm/m5282.h"
13#include <bmp_layout.h>
14#include <env.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
38int dram_init(void)
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 gd->ram_size = size;
96
97 return 0;
98}
99
100#if defined(CONFIG_SYS_DRAM_TEST)
101int testdram (void)
102{
103 uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
104 uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
105 uint *p;
106
107 printf("SDRAM test phase 1:\n");
108 for (p = pstart; p < pend; p++)
109 *p = 0xaaaaaaaa;
110
111 for (p = pstart; p < pend; p++) {
112 if (*p != 0xaaaaaaaa) {
113 printf ("SDRAM test fails at: %08x\n", (uint) p);
114 return 1;
115 }
116 }
117
118 printf("SDRAM test phase 2:\n");
119 for (p = pstart; p < pend; p++)
120 *p = 0x55555555;
121
122 for (p = pstart; p < pend; p++) {
123 if (*p != 0x55555555) {
124 printf ("SDRAM test fails at: %08x\n", (uint) p);
125 return 1;
126 }
127 }
128
129 printf("SDRAM test passed.\n");
130 return 0;
131}
132#endif
133
134#if defined(CONFIG_HW_WATCHDOG)
135
136void hw_watchdog_init(void)
137{
138 char *s;
139 int enable;
140
141 enable = 1;
142 s = env_get("watchdog");
143 if (s != NULL)
144 if ((strncmp(s, "off", 3) == 0) || (strncmp(s, "0", 1) == 0))
145 enable = 0;
146 if (enable)
147 MCFGPTA_GPTDDR |= (1<<2);
148 else
149 MCFGPTA_GPTDDR &= ~(1<<2);
150}
151
152void hw_watchdog_reset(void)
153{
154 MCFGPTA_GPTPORT ^= (1<<2);
155}
156#endif
157
158int misc_init_r(void)
159{
160#ifdef CONFIG_HW_WATCHDOG
161 hw_watchdog_init();
162#endif
163 return 1;
164}
165
166void __led_toggle(led_id_t mask)
167{
168 MCFGPTA_GPTPORT ^= (1 << 3);
169}
170
171void __led_init(led_id_t mask, int state)
172{
173 __led_set(mask, state);
174 MCFGPTA_GPTDDR |= (1 << 3);
175}
176
177void __led_set(led_id_t mask, int state)
178{
179 if (state == CONFIG_LED_STATUS_ON)
180 MCFGPTA_GPTPORT |= (1 << 3);
181 else
182 MCFGPTA_GPTPORT &= ~(1 << 3);
183}
184
185#if defined(CONFIG_VIDEO)
186
187int drv_video_init(void)
188{
189 char *s;
190#ifdef CONFIG_SPLASH_SCREEN
191 unsigned long splash;
192#endif
193 printf("Init Video as ");
194 s = env_get("displaywidth");
195 if (s != NULL)
196 display_width = simple_strtoul(s, NULL, 10);
197 else
198 display_width = 256;
199
200 s = env_get("displayheight");
201 if (s != NULL)
202 display_height = simple_strtoul(s, NULL, 10);
203 else
204 display_height = 256;
205
206 printf("%lu x %lu pixel matrix\n", display_width, display_height);
207
208 MCFCCM_CCR &= ~MCFCCM_CCR_SZEN;
209 MCFGPIO_PEPAR &= ~MCFGPIO_PEPAR_PEPA2;
210
211 vcxk_init(display_width, display_height);
212
213#ifdef CONFIG_SPLASH_SCREEN
214 s = env_get("splashimage");
215 if (s != NULL) {
216 splash = simple_strtoul(s, NULL, 16);
217 vcxk_acknowledge_wait();
218 video_display_bitmap(splash, 0, 0);
219 }
220#endif
221 return 0;
222}
223#endif
224
225
226
227#ifdef CONFIG_VIDEO
228int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
229{
230 int rcode = 0;
231 ulong side;
232 ulong bright;
233
234 switch (argc) {
235 case 3:
236 side = simple_strtoul(argv[1], NULL, 10);
237 bright = simple_strtoul(argv[2], NULL, 10);
238 if ((side >= 0) && (side <= 3) &&
239 (bright >= 0) && (bright <= 1000)) {
240 vcxk_setbrightness(side, bright);
241 rcode = 0;
242 } else {
243 printf("parameters out of range\n");
244 printf("Usage:\n%s\n", cmdtp->usage);
245 rcode = 1;
246 }
247 break;
248 default:
249 printf("Usage:\n%s\n", cmdtp->usage);
250 rcode = 1;
251 break;
252 }
253 return rcode;
254}
255
256
257
258U_BOOT_CMD(
259 bright, 3, 0, do_brightness,
260 "sets the display brightness\n",
261 " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n"
262);
263
264#endif
265
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267
