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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 | * | |
8 | * See file CREDITS for list of people who contributed to this | |
9 | * project. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of | |
14 | * the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
24 | * MA 02111-1307 USA | |
25 | */ | |
26 | ||
27 | #include <common.h> | |
28 | #include <command.h> | |
29 | #include "asm/m5282.h" | |
35cf3b57 JS |
30 | #include <bmp_layout.h> |
31 | #include <status_led.h> | |
32 | #include <bus_vcxk.h> | |
33 | ||
34 | /*---------------------------------------------------------------------------*/ | |
35 | ||
36 | DECLARE_GLOBAL_DATA_PTR; | |
37 | ||
38 | unsigned long display_width; | |
39 | unsigned long display_height; | |
40 | ||
41 | /*---------------------------------------------------------------------------*/ | |
9acb626f HS |
42 | |
43 | int checkboard (void) | |
44 | { | |
45 | puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n"); | |
6d0f6bcf | 46 | #if (TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) |
9acb626f HS |
47 | puts (" Boot from Internal FLASH\n"); |
48 | #endif | |
49 | ||
50 | return 0; | |
51 | } | |
52 | ||
9973e3c6 | 53 | phys_size_t initdram (int board_type) |
9acb626f | 54 | { |
0fe34058 | 55 | int size, i; |
9acb626f HS |
56 | |
57 | size = 0; | |
0fe34058 | 58 | MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 |
6d0f6bcf JCPV |
59 | | MCFSDRAMC_DCR_RC ((15 * CONFIG_SYS_CLK) >> 4); |
60 | #ifdef CONFIG_SYS_SDRAM_BASE0 | |
0fe34058 | 61 | |
6d0f6bcf | 62 | MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE0) |
0fe34058 WD |
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 | ||
6d0f6bcf | 71 | *(unsigned short *) (CONFIG_SYS_SDRAM_BASE0) = 0xA5A5; |
0fe34058 WD |
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); | |
6d0f6bcf JCPV |
77 | *(unsigned int *) (CONFIG_SYS_SDRAM_BASE0 + 0x220) = 0xA5A5; |
78 | size += CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; | |
0fe34058 | 79 | #endif |
6d0f6bcf JCPV |
80 | #ifdef CONFIG_SYS_SDRAM_BASE1 |
81 | MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1) | |
0fe34058 WD |
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 | ||
6d0f6bcf | 90 | *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1) = 0xA5A5; |
0fe34058 WD |
91 | MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE; |
92 | ||
93 | for (i = 0; i < 2000; i++) | |
94 | asm (" nop"); | |
95 | ||
96 | MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS; | |
6d0f6bcf JCPV |
97 | *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1 + 0x220) = 0xA5A5; |
98 | size += CONFIG_SYS_SDRAM_SIZE1 * 1024 * 1024; | |
0fe34058 | 99 | #endif |
9acb626f HS |
100 | return size; |
101 | } | |
102 | ||
6d0f6bcf | 103 | #if defined(CONFIG_SYS_DRAM_TEST) |
9acb626f HS |
104 | int testdram (void) |
105 | { | |
6d0f6bcf JCPV |
106 | uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START; |
107 | uint *pend = (uint *) CONFIG_SYS_MEMTEST_END; | |
9acb626f HS |
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 | ||
137 | int misc_init_r(void) | |
138 | { | |
35cf3b57 JS |
139 | #ifdef CONFIG_HW_WATCHDOG |
140 | hw_watchdog_init(); | |
141 | #endif | |
142 | #ifndef CONFIG_VIDEO | |
143 | vcxk_init(16, 16); | |
144 | #endif | |
9acb626f HS |
145 | return 1; |
146 | } | |
147 | ||
35cf3b57 JS |
148 | #if defined(CONFIG_VIDEO) |
149 | ||
150 | /* | |
151 | ****h* EB+CPU5282-T1/drv_video_init | |
152 | * FUNCTION | |
153 | *** | |
154 | */ | |
155 | ||
156 | int 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 | ||
9acb626f HS |
193 | /*---------------------------------------------------------------------------*/ |
194 | ||
35cf3b57 JS |
195 | #ifdef CONFIG_VIDEO |
196 | int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
9acb626f HS |
197 | { |
198 | int rcode = 0; | |
35cf3b57 JS |
199 | ulong side; |
200 | ulong bright; | |
9acb626f HS |
201 | |
202 | switch (argc) { | |
35cf3b57 JS |
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 | } | |
9acb626f HS |
215 | break; |
216 | default: | |
35cf3b57 | 217 | printf("Usage:\n%s\n", cmdtp->usage); |
9acb626f HS |
218 | rcode = 1; |
219 | break; | |
220 | } | |
221 | return rcode; | |
222 | } | |
223 | ||
35cf3b57 | 224 | /*---------------------------------------------------------------------------*/ |
9acb626f HS |
225 | |
226 | U_BOOT_CMD( | |
35cf3b57 JS |
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" | |
9acb626f HS |
230 | ); |
231 | ||
35cf3b57 JS |
232 | #endif |
233 | ||
234 | /* EOF EB+MCF-EV123.c */ |