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Commit | Line | Data |
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9acb626f | 1 | /* |
35cf3b57 | 2 | * (C) Copyright 2005-2009 |
9acb626f HS |
3 | * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de> |
4 | * | |
5 | * (C) Copyright 2000-2003 | |
6 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
7 | * | |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
9acb626f HS |
9 | */ |
10 | ||
11 | #include <common.h> | |
12 | #include <command.h> | |
13 | #include "asm/m5282.h" | |
35cf3b57 JS |
14 | #include <bmp_layout.h> |
15 | #include <status_led.h> | |
16 | #include <bus_vcxk.h> | |
17 | ||
18 | /*---------------------------------------------------------------------------*/ | |
19 | ||
20 | DECLARE_GLOBAL_DATA_PTR; | |
21 | ||
d858c335 | 22 | #ifdef CONFIG_VIDEO |
35cf3b57 JS |
23 | unsigned long display_width; |
24 | unsigned long display_height; | |
d858c335 | 25 | #endif |
35cf3b57 JS |
26 | |
27 | /*---------------------------------------------------------------------------*/ | |
9acb626f HS |
28 | |
29 | int checkboard (void) | |
30 | { | |
d858c335 | 31 | puts("Board: EB+CPU5282 (BuS Elektronik GmbH & Co. KG)\n"); |
14d0a02a | 32 | #if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) |
d858c335 | 33 | puts(" Boot from Internal FLASH\n"); |
9acb626f | 34 | #endif |
9acb626f HS |
35 | return 0; |
36 | } | |
37 | ||
088454cd | 38 | int initdram(void) |
9acb626f | 39 | { |
0fe34058 | 40 | int size, i; |
9acb626f HS |
41 | |
42 | size = 0; | |
d858c335 JSBE |
43 | MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 | |
44 | MCFSDRAMC_DCR_RC((15 * CONFIG_SYS_CLK / 1000000) >> 4); | |
45 | asm (" nop"); | |
6d0f6bcf | 46 | #ifdef CONFIG_SYS_SDRAM_BASE0 |
d858c335 JSBE |
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"); | |
0fe34058 WD |
51 | |
52 | MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V; | |
d858c335 | 53 | asm (" nop"); |
0fe34058 WD |
54 | |
55 | MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP; | |
d858c335 JSBE |
56 | asm (" nop"); |
57 | for (i = 0; i < 10; i++) | |
58 | asm (" nop"); | |
0fe34058 | 59 | |
d858c335 JSBE |
60 | *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0) = 0xA5A5A5A5; |
61 | asm (" nop"); | |
0fe34058 | 62 | MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE; |
d858c335 JSBE |
63 | asm (" nop"); |
64 | ||
0fe34058 WD |
65 | for (i = 0; i < 2000; i++) |
66 | asm (" nop"); | |
d858c335 JSBE |
67 | |
68 | MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IMRS; | |
69 | asm (" nop"); | |
70 | /* write SDRAM mode register */ | |
71 | *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0 + 0x80440) = 0xA5A5A5A5; | |
72 | asm (" nop"); | |
73 | size += CONFIG_SYS_SDRAM_SIZE0 * 1024 * 1024; | |
0fe34058 | 74 | #endif |
d858c335 | 75 | #ifdef CONFIG_SYS_SDRAM_BASE1xx |
6d0f6bcf | 76 | MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1) |
0fe34058 WD |
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 | ||
6d0f6bcf | 85 | *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1) = 0xA5A5; |
0fe34058 WD |
86 | MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE; |
87 | ||
88 | for (i = 0; i < 2000; i++) | |
89 | asm (" nop"); | |
90 | ||
91 | MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS; | |
6d0f6bcf JCPV |
92 | *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1 + 0x220) = 0xA5A5; |
93 | size += CONFIG_SYS_SDRAM_SIZE1 * 1024 * 1024; | |
0fe34058 | 94 | #endif |
088454cd SG |
95 | gd->ram_size = size; |
96 | ||
97 | return 0; | |
9acb626f HS |
98 | } |
99 | ||
6d0f6bcf | 100 | #if defined(CONFIG_SYS_DRAM_TEST) |
9acb626f HS |
101 | int testdram (void) |
102 | { | |
6d0f6bcf JCPV |
103 | uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START; |
104 | uint *pend = (uint *) CONFIG_SYS_MEMTEST_END; | |
9acb626f HS |
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 | ||
d858c335 JSBE |
134 | #if defined(CONFIG_HW_WATCHDOG) |
135 | ||
136 | void hw_watchdog_init(void) | |
137 | { | |
138 | char *s; | |
139 | int enable; | |
140 | ||
141 | enable = 1; | |
142 | s = getenv("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 | ||
152 | void hw_watchdog_reset(void) | |
153 | { | |
154 | MCFGPTA_GPTPORT ^= (1<<2); | |
155 | } | |
156 | #endif | |
157 | ||
9acb626f HS |
158 | int misc_init_r(void) |
159 | { | |
35cf3b57 JS |
160 | #ifdef CONFIG_HW_WATCHDOG |
161 | hw_watchdog_init(); | |
35cf3b57 | 162 | #endif |
9acb626f HS |
163 | return 1; |
164 | } | |
165 | ||
d858c335 JSBE |
166 | void __led_toggle(led_id_t mask) |
167 | { | |
168 | MCFGPTA_GPTPORT ^= (1 << 3); | |
169 | } | |
35cf3b57 | 170 | |
d858c335 JSBE |
171 | void __led_init(led_id_t mask, int state) |
172 | { | |
173 | __led_set(mask, state); | |
174 | MCFGPTA_GPTDDR |= (1 << 3); | |
175 | } | |
176 | ||
177 | void __led_set(led_id_t mask, int state) | |
178 | { | |
2d8d190c | 179 | if (state == CONFIG_LED_STATUS_ON) |
d858c335 JSBE |
180 | MCFGPTA_GPTPORT |= (1 << 3); |
181 | else | |
182 | MCFGPTA_GPTPORT &= ~(1 << 3); | |
183 | } | |
184 | ||
185 | #if defined(CONFIG_VIDEO) | |
35cf3b57 JS |
186 | |
187 | int drv_video_init(void) | |
188 | { | |
189 | char *s; | |
d858c335 | 190 | #ifdef CONFIG_SPLASH_SCREEN |
35cf3b57 | 191 | unsigned long splash; |
d858c335 | 192 | #endif |
35cf3b57 | 193 | printf("Init Video as "); |
d858c335 JSBE |
194 | s = getenv("displaywidth"); |
195 | if (s != NULL) | |
35cf3b57 JS |
196 | display_width = simple_strtoul(s, NULL, 10); |
197 | else | |
198 | display_width = 256; | |
199 | ||
d858c335 JSBE |
200 | s = getenv("displayheight"); |
201 | if (s != NULL) | |
35cf3b57 JS |
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 | |
d858c335 JSBE |
214 | s = getenv("splashimage"); |
215 | if (s != NULL) { | |
35cf3b57 | 216 | splash = simple_strtoul(s, NULL, 16); |
35cf3b57 JS |
217 | vcxk_acknowledge_wait(); |
218 | video_display_bitmap(splash, 0, 0); | |
219 | } | |
220 | #endif | |
221 | return 0; | |
222 | } | |
223 | #endif | |
224 | ||
9acb626f HS |
225 | /*---------------------------------------------------------------------------*/ |
226 | ||
35cf3b57 | 227 | #ifdef CONFIG_VIDEO |
54841ab5 | 228 | int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
9acb626f HS |
229 | { |
230 | int rcode = 0; | |
35cf3b57 JS |
231 | ulong side; |
232 | ulong bright; | |
9acb626f HS |
233 | |
234 | switch (argc) { | |
35cf3b57 JS |
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 | } | |
9acb626f HS |
247 | break; |
248 | default: | |
35cf3b57 | 249 | printf("Usage:\n%s\n", cmdtp->usage); |
9acb626f HS |
250 | rcode = 1; |
251 | break; | |
252 | } | |
253 | return rcode; | |
254 | } | |
255 | ||
35cf3b57 | 256 | /*---------------------------------------------------------------------------*/ |
9acb626f HS |
257 | |
258 | U_BOOT_CMD( | |
35cf3b57 JS |
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" | |
9acb626f HS |
262 | ); |
263 | ||
35cf3b57 JS |
264 | #endif |
265 | ||
266 | /* EOF EB+MCF-EV123.c */ |