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27#include <common.h>
28#include <command.h>
29#include "asm/m5282.h"
30#include <bmp_layout.h>
31#include <status_led.h>
32#include <bus_vcxk.h>
33
34
35
36DECLARE_GLOBAL_DATA_PTR;
37
38unsigned long display_width;
39unsigned long display_height;
40
41
42
43int checkboard (void)
44{
45 puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n");
46#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
47 puts (" Boot from Internal FLASH\n");
48#endif
49
50 return 0;
51}
52
53phys_size_t initdram (int board_type)
54{
55 int size, i;
56
57 size = 0;
58 MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6
59 | MCFSDRAMC_DCR_RC ((15 * CONFIG_SYS_CLK) >> 4);
60#ifdef CONFIG_SYS_SDRAM_BASE0
61
62 MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE0)
63 | MCFSDRAMC_DACR_CASL (1)
64 | MCFSDRAMC_DACR_CBM (3)
65 | MCFSDRAMC_DACR_PS_16;
66
67 MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V;
68
69 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP;
70
71 *(unsigned short *) (CONFIG_SYS_SDRAM_BASE0) = 0xA5A5;
72 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE;
73 for (i = 0; i < 2000; i++)
74 asm (" nop");
75 mbar_writeLong (MCFSDRAMC_DACR0,
76 mbar_readLong (MCFSDRAMC_DACR0) | MCFSDRAMC_DACR_IMRS);
77 *(unsigned int *) (CONFIG_SYS_SDRAM_BASE0 + 0x220) = 0xA5A5;
78 size += CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
79#endif
80#ifdef CONFIG_SYS_SDRAM_BASE1
81 MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1)
82 | MCFSDRAMC_DACR_CASL (1)
83 | MCFSDRAMC_DACR_CBM (3)
84 | MCFSDRAMC_DACR_PS_16;
85
86 MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V;
87
88 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP;
89
90 *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1) = 0xA5A5;
91 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE;
92
93 for (i = 0; i < 2000; i++)
94 asm (" nop");
95
96 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS;
97 *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1 + 0x220) = 0xA5A5;
98 size += CONFIG_SYS_SDRAM_SIZE1 * 1024 * 1024;
99#endif
100 return size;
101}
102
103#if defined(CONFIG_SYS_DRAM_TEST)
104int testdram (void)
105{
106 uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
107 uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
108 uint *p;
109
110 printf("SDRAM test phase 1:\n");
111 for (p = pstart; p < pend; p++)
112 *p = 0xaaaaaaaa;
113
114 for (p = pstart; p < pend; p++) {
115 if (*p != 0xaaaaaaaa) {
116 printf ("SDRAM test fails at: %08x\n", (uint) p);
117 return 1;
118 }
119 }
120
121 printf("SDRAM test phase 2:\n");
122 for (p = pstart; p < pend; p++)
123 *p = 0x55555555;
124
125 for (p = pstart; p < pend; p++) {
126 if (*p != 0x55555555) {
127 printf ("SDRAM test fails at: %08x\n", (uint) p);
128 return 1;
129 }
130 }
131
132 printf("SDRAM test passed.\n");
133 return 0;
134}
135#endif
136
137int misc_init_r(void)
138{
139#ifdef CONFIG_HW_WATCHDOG
140 hw_watchdog_init();
141#endif
142#ifndef CONFIG_VIDEO
143 vcxk_init(16, 16);
144#endif
145 return 1;
146}
147
148#if defined(CONFIG_VIDEO)
149
150
151
152
153
154
155
156int drv_video_init(void)
157{
158 char *s;
159 unsigned long splash;
160
161 printf("Init Video as ");
162
163 if ((s = getenv("displaywidth")) != NULL)
164 display_width = simple_strtoul(s, NULL, 10);
165 else
166 display_width = 256;
167
168 if ((s = getenv("displayheight")) != NULL)
169 display_height = simple_strtoul(s, NULL, 10);
170 else
171 display_height = 256;
172
173 printf("%lu x %lu pixel matrix\n", display_width, display_height);
174
175 MCFCCM_CCR &= ~MCFCCM_CCR_SZEN;
176 MCFGPIO_PEPAR &= ~MCFGPIO_PEPAR_PEPA2;
177
178 vcxk_init(display_width, display_height);
179
180#ifdef CONFIG_SPLASH_SCREEN
181 if ((s = getenv("splashimage")) != NULL) {
182 debug("use splashimage: %s\n", s);
183 splash = simple_strtoul(s, NULL, 16);
184 debug("use splashimage: %x\n", splash);
185 vcxk_acknowledge_wait();
186 video_display_bitmap(splash, 0, 0);
187 }
188#endif
189 return 0;
190}
191#endif
192
193
194
195#ifdef CONFIG_VIDEO
196int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
197{
198 int rcode = 0;
199 ulong side;
200 ulong bright;
201
202 switch (argc) {
203 case 3:
204 side = simple_strtoul(argv[1], NULL, 10);
205 bright = simple_strtoul(argv[2], NULL, 10);
206 if ((side >= 0) && (side <= 3) &&
207 (bright >= 0) && (bright <= 1000)) {
208 vcxk_setbrightness(side, bright);
209 rcode = 0;
210 } else {
211 printf("parameters out of range\n");
212 printf("Usage:\n%s\n", cmdtp->usage);
213 rcode = 1;
214 }
215 break;
216 default:
217 printf("Usage:\n%s\n", cmdtp->usage);
218 rcode = 1;
219 break;
220 }
221 return rcode;
222}
223
224
225
226U_BOOT_CMD(
227 bright, 3, 0, do_brightness,
228 "sets the display brightness\n",
229 " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n"
230);
231
232#endif
233
234
235
