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