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git.ipfire.org Git - people/ms/u-boot.git/blob - drivers/video/mpc8xx_lcd.c
2 * (C) Copyright 2001-2002
3 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
5 * SPDX-License-Identifier: GPL-2.0+
8 /************************************************************************/
10 /************************************************************************/
21 #include <linux/types.h>
22 #include <stdio_dev.h>
23 #if defined(CONFIG_POST)
30 /************************************************************************/
31 /* ** CONFIG STUFF -- should be moved to board config file */
32 /************************************************************************/
33 #ifndef CONFIG_LCD_INFO
34 #define CONFIG_LCD_INFO /* Display Logo, (C) and system info */
37 #if defined(CONFIG_EDT32F10)
38 #undef CONFIG_LCD_LOGO
39 #undef CONFIG_LCD_INFO
42 /*----------------------------------------------------------------------*/
43 #ifdef CONFIG_KYOCERA_KCS057QV1AJ
45 * Kyocera KCS057QV1AJ-G23. Passive, color, single scan.
47 #define LCD_BPP LCD_COLOR4
49 vidinfo_t panel_info
= {
50 640, 480, 132, 99, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
,
51 LCD_BPP
, 1, 0, 1, 0, 5, 0, 0, 0
52 /* wbl, vpw, lcdac, wbf */
54 #endif /* CONFIG_KYOCERA_KCS057QV1AJ */
55 /*----------------------------------------------------------------------*/
57 /*----------------------------------------------------------------------*/
58 #ifdef CONFIG_HITACHI_SP19X001_Z1A
60 * Hitachi SP19X001-. Active, color, single scan.
62 vidinfo_t panel_info
= {
63 640, 480, 154, 116, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
,
64 LCD_COLOR8
, 1, 0, 1, 0, 0, 0, 0, 0
65 /* wbl, vpw, lcdac, wbf */
67 #endif /* CONFIG_HITACHI_SP19X001_Z1A */
68 /*----------------------------------------------------------------------*/
70 /*----------------------------------------------------------------------*/
71 #ifdef CONFIG_NEC_NL6448AC33
73 * NEC NL6448AC33-18. Active, color, single scan.
75 vidinfo_t panel_info
= {
76 640, 480, 132, 99, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_HIGH
,
77 3, 0, 0, 1, 1, 144, 2, 0, 33
78 /* wbl, vpw, lcdac, wbf */
80 #endif /* CONFIG_NEC_NL6448AC33 */
81 /*----------------------------------------------------------------------*/
83 #ifdef CONFIG_NEC_NL6448BC20
85 * NEC NL6448BC20-08. 6.5", 640x480. Active, color, single scan.
87 vidinfo_t panel_info
= {
88 640, 480, 132, 99, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_HIGH
,
89 3, 0, 0, 1, 1, 144, 2, 0, 33
90 /* wbl, vpw, lcdac, wbf */
92 #endif /* CONFIG_NEC_NL6448BC20 */
93 /*----------------------------------------------------------------------*/
95 #ifdef CONFIG_NEC_NL6448BC33_54
97 * NEC NL6448BC33-54. 10.4", 640x480. Active, color, single scan.
99 vidinfo_t panel_info
= {
100 640, 480, 212, 158, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_HIGH
,
101 3, 0, 0, 1, 1, 144, 2, 0, 33
102 /* wbl, vpw, lcdac, wbf */
104 #endif /* CONFIG_NEC_NL6448BC33_54 */
105 /*----------------------------------------------------------------------*/
107 #ifdef CONFIG_SHARP_LQ104V7DS01
109 * SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan.
111 vidinfo_t panel_info
= {
112 640, 480, 132, 99, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
,
113 3, 0, 0, 1, 1, 25, 1, 0, 33
114 /* wbl, vpw, lcdac, wbf */
116 #endif /* CONFIG_SHARP_LQ104V7DS01 */
117 /*----------------------------------------------------------------------*/
119 #ifdef CONFIG_SHARP_16x9
121 * Sharp 320x240. Active, color, single scan. It isn't 16x9, and I am
122 * not sure what it is.......
124 vidinfo_t panel_info
= {
125 320, 240, 0, 0, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
,
126 3, 0, 0, 1, 1, 15, 4, 0, 3
128 #endif /* CONFIG_SHARP_16x9 */
129 /*----------------------------------------------------------------------*/
131 #ifdef CONFIG_SHARP_LQ057Q3DC02
133 * Sharp LQ057Q3DC02 display. Active, color, single scan.
138 vidinfo_t panel_info
= {
139 320, 240, 0, 0, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_HIGH
,
140 3, 0, 0, 1, 1, 15, 4, 0, 3
141 /* wbl, vpw, lcdac, wbf */
143 #define CONFIG_LCD_INFO_BELOW_LOGO
144 #endif /* CONFIG_SHARP_LQ057Q3DC02 */
145 /*----------------------------------------------------------------------*/
147 #ifdef CONFIG_SHARP_LQ64D341
149 * Sharp LQ64D341 display, 640x480. Active, color, single scan.
151 vidinfo_t panel_info
= {
152 640, 480, 0, 0, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_HIGH
,
153 3, 0, 0, 1, 1, 128, 16, 0, 32
154 /* wbl, vpw, lcdac, wbf */
156 #endif /* CONFIG_SHARP_LQ64D341 */
158 #ifdef CONFIG_SHARP_LQ065T9DR51U
160 * Sharp LQ065T9DR51U display, 400x240. Active, color, single scan.
162 vidinfo_t panel_info
= {
163 400, 240, 143, 79, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
,
164 3, 0, 0, 1, 1, 248, 4, 0, 35
165 /* wbl, vpw, lcdac, wbf */
167 #define CONFIG_LCD_INFO_BELOW_LOGO
168 #endif /* CONFIG_SHARP_LQ065T9DR51U */
170 #ifdef CONFIG_SHARP_LQ084V1DG21
172 * Sharp LQ084V1DG21 display, 640x480. Active, color, single scan.
174 vidinfo_t panel_info
= {
175 640, 480, 171, 129, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
,
176 3, 0, 0, 1, 1, 160, 3, 0, 48
177 /* wbl, vpw, lcdac, wbf */
179 #endif /* CONFIG_SHARP_LQ084V1DG21 */
181 /*----------------------------------------------------------------------*/
183 #ifdef CONFIG_HLD1045
185 * HLD1045 display, 640x480. Active, color, single scan.
187 vidinfo_t panel_info
= {
188 640, 480, 0, 0, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_HIGH
,
189 3, 0, 0, 1, 1, 160, 3, 0, 48
190 /* wbl, vpw, lcdac, wbf */
192 #endif /* CONFIG_HLD1045 */
193 /*----------------------------------------------------------------------*/
195 #ifdef CONFIG_PRIMEVIEW_V16C6448AC
197 * Prime View V16C6448AC
199 vidinfo_t panel_info
= {
200 640, 480, 130, 98, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
, CONFIG_SYS_LOW
, CONFIG_SYS_HIGH
,
201 3, 0, 0, 1, 1, 144, 2, 0, 35
202 /* wbl, vpw, lcdac, wbf */
204 #endif /* CONFIG_PRIMEVIEW_V16C6448AC */
206 /*----------------------------------------------------------------------*/
208 #ifdef CONFIG_OPTREX_BW
210 * Optrex CBL50840-2 NF-FW 99 22 M5
212 * Hitachi LMG6912RPFC-00T
216 * 320x240. Black & white.
218 #define OPTREX_BPP 0 /* 0 - monochrome, 1 bpp */
219 /* 1 - 4 grey levels, 2 bpp */
220 /* 2 - 16 grey levels, 4 bpp */
221 vidinfo_t panel_info
= {
222 320, 240, 0, 0, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
,
223 OPTREX_BPP
, 0, 0, 0, 0, 0, 0, 0, 0, 4
225 #endif /* CONFIG_OPTREX_BW */
227 /*-----------------------------------------------------------------*/
228 #ifdef CONFIG_EDT32F10
230 * Emerging Display Technologies 320x240. Passive, monochrome, single scan.
232 #define LCD_BPP LCD_MONOCHROME
235 vidinfo_t panel_info
= {
236 320, 240, 0, 0, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_HIGH
, CONFIG_SYS_LOW
,
237 LCD_BPP
, 0, 0, 0, 0, 33, 0, 0, 0
241 /************************************************************************/
242 /* ----------------- chipset specific functions ----------------------- */
243 /************************************************************************/
246 * Calculate fb size for VIDEOLFB_ATAG.
248 ulong
calc_fbsize (void)
251 int line_length
= (panel_info
.vl_col
* NBITS (panel_info
.vl_bpix
)) / 8;
253 size
= line_length
* panel_info
.vl_row
;
258 void lcd_ctrl_init (void *lcdbase
)
260 volatile immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
261 volatile lcd823_t
*lcdp
= &immr
->im_lcd
;
266 /* Initialize the LCD control register according to the LCD
267 * parameters defined. We do everything here but enable
271 lccrtmp
= LCDBIT (LCCR_BNUM_BIT
,
272 (((panel_info
.vl_row
* panel_info
.vl_col
) * (1 << LCD_BPP
)) / 128));
274 lccrtmp
|= LCDBIT (LCCR_CLKP_BIT
, panel_info
.vl_clkp
) |
275 LCDBIT (LCCR_OEP_BIT
, panel_info
.vl_oep
) |
276 LCDBIT (LCCR_HSP_BIT
, panel_info
.vl_hsp
) |
277 LCDBIT (LCCR_VSP_BIT
, panel_info
.vl_vsp
) |
278 LCDBIT (LCCR_DP_BIT
, panel_info
.vl_dp
) |
279 LCDBIT (LCCR_BPIX_BIT
, panel_info
.vl_bpix
) |
280 LCDBIT (LCCR_LBW_BIT
, panel_info
.vl_lbw
) |
281 LCDBIT (LCCR_SPLT_BIT
, panel_info
.vl_splt
) |
282 LCDBIT (LCCR_CLOR_BIT
, panel_info
.vl_clor
) |
283 LCDBIT (LCCR_TFT_BIT
, panel_info
.vl_tft
);
286 lccrtmp
|= ((SIU_LEVEL5
/ 2) << 12);
287 lccrtmp
|= LCCR_EIEN
;
290 lcdp
->lcd_lccr
= lccrtmp
;
291 lcdp
->lcd_lcsr
= 0xFF; /* Clear pending interrupts */
293 /* Initialize LCD controller bus priorities.
295 immr
->im_siu_conf
.sc_sdcr
&= ~0x0f; /* RAID = LAID = 0 */
297 /* set SHFT/CLOCK division factor 4
298 * This needs to be set based upon display type and processor
299 * speed. The TFT displays run about 20 to 30 MHz.
300 * I was running 64 MHz processor speed.
301 * The value for this divider must be chosen so the result is
302 * an integer of the processor speed (i.e., divide by 3 with
303 * 64 MHz would be bad).
305 immr
->im_clkrst
.car_sccr
&= ~0x1F;
306 immr
->im_clkrst
.car_sccr
|= LCD_DF
; /* was 8 */
308 #if !defined(CONFIG_EDT32F10)
309 /* Enable LCD on port D.
311 immr
->im_ioport
.iop_pdpar
|= 0x1FFF;
312 immr
->im_ioport
.iop_pddir
|= 0x1FFF;
314 /* Enable LCD_A/B/C on port B.
316 immr
->im_cpm
.cp_pbpar
|= 0x00005001;
317 immr
->im_cpm
.cp_pbdir
|= 0x00005001;
319 /* Enable LCD on port D.
321 immr
->im_ioport
.iop_pdpar
|= 0x1DFF;
322 immr
->im_ioport
.iop_pdpar
&= ~0x0200;
323 immr
->im_ioport
.iop_pddir
|= 0x1FFF;
324 immr
->im_ioport
.iop_pddat
|= 0x0200;
327 /* Load the physical address of the linear frame buffer
328 * into the LCD controller.
329 * BIG NOTE: This has to be modified to load A and B depending
330 * upon the split mode of the LCD.
332 lcdp
->lcd_lcfaa
= (ulong
)lcdbase
;
333 lcdp
->lcd_lcfba
= (ulong
)lcdbase
;
335 /* MORE HACKS...This must be updated according to 823 manual
336 * for different panels.
337 * Udi Finkelstein - done - see below:
338 * Note: You better not try unsupported combinations such as
339 * 4-bit wide passive dual scan LCD at 4/8 Bit color.
343 (panel_info
.vl_tft
? 8 :
344 (((2 - panel_info
.vl_lbw
) << /* 4 bit=2, 8-bit = 1 */
345 /* use << to mult by: single scan = 1, dual scan = 2 */
346 panel_info
.vl_splt
) *
347 (panel_info
.vl_bpix
| 1)))) >> 3; /* 2/4 BPP = 1, 8/16 BPP = 3 */
349 lcdp
->lcd_lchcr
= LCHCR_BO
|
350 LCDBIT (LCHCR_AT_BIT
, 4) |
351 LCDBIT (LCHCR_HPC_BIT
, lchcr_hpc_tmp
) |
354 lcdp
->lcd_lcvcr
= LCDBIT (LCVCR_VPW_BIT
, panel_info
.vl_vpw
) |
355 LCDBIT (LCVCR_LCD_AC_BIT
, panel_info
.vl_lcdac
) |
356 LCDBIT (LCVCR_VPC_BIT
, panel_info
.vl_row
) |
361 /*----------------------------------------------------------------------*/
363 #if LCD_BPP == LCD_COLOR8
365 lcd_setcolreg (ushort regno
, ushort red
, ushort green
, ushort blue
)
367 volatile immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
368 volatile cpm8xx_t
*cp
= &(immr
->im_cpm
);
369 unsigned short colreg
, *cmap_ptr
;
371 cmap_ptr
= (unsigned short *)&cp
->lcd_cmap
[regno
* 2];
373 colreg
= ((red
& 0x0F) << 8) |
374 ((green
& 0x0F) << 4) |
376 #ifdef CONFIG_SYS_INVERT_COLORS
381 debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %02X%02X\n",
382 regno
, &(cp
->lcd_cmap
[regno
* 2]),
384 cp
->lcd_cmap
[ regno
* 2 ], cp
->lcd_cmap
[(regno
* 2) + 1]);
386 #endif /* LCD_COLOR8 */
388 /*----------------------------------------------------------------------*/
390 #if LCD_BPP == LCD_MONOCHROME
392 void lcd_initcolregs (void)
394 volatile immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
395 volatile cpm8xx_t
*cp
= &(immr
->im_cpm
);
398 for (regno
= 0; regno
< 16; regno
++) {
399 cp
->lcd_cmap
[regno
* 2] = 0;
400 cp
->lcd_cmap
[(regno
* 2) + 1] = regno
& 0x0f;
405 /*----------------------------------------------------------------------*/
407 void lcd_enable (void)
409 volatile immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
410 volatile lcd823_t
*lcdp
= &immr
->im_lcd
;
412 /* Enable the LCD panel */
413 immr
->im_siu_conf
.sc_sdcr
|= (1 << (31 - 25)); /* LAM = 1 */
414 lcdp
->lcd_lccr
|= LCCR_PON
;
416 #if defined(CONFIG_LWMON)
417 { uchar c
= pic_read (0x60);
418 #if defined(CONFIG_LCD) && defined(CONFIG_LWMON) && (CONFIG_POST & CONFIG_SYS_POST_SYSMON)
419 /* Enable LCD later in sysmon test, only if temperature is OK */
421 c
|= 0x07; /* Power on CCFL, Enable CCFL, Chip Enable LCD */
425 #endif /* CONFIG_LWMON */
427 #if defined(CONFIG_R360MPI)
429 extern void r360_i2c_lcd_write (uchar data0
, uchar data1
);
430 unsigned long bgi
, ctr
;
433 if ((p
= getenv("lcdbgi")) != NULL
) {
434 bgi
= simple_strtoul (p
, 0, 10) & 0xFFF;
439 if ((p
= getenv("lcdctr")) != NULL
) {
440 ctr
= simple_strtoul (p
, 0, 10) & 0xFFF;
445 r360_i2c_lcd_write(0x10, 0x01);
446 r360_i2c_lcd_write(0x20, 0x01);
447 r360_i2c_lcd_write(0x30 | ((bgi
>>8) & 0xF), bgi
& 0xFF);
448 r360_i2c_lcd_write(0x40 | ((ctr
>>8) & 0xF), ctr
& 0xFF);
450 #endif /* CONFIG_R360MPI */
451 #ifdef CONFIG_RRVISION
452 debug ("PC4->Output(1): enable LVDS\n");
453 debug ("PC5->Output(0): disable PAL clock\n");
454 immr
->im_ioport
.iop_pddir
|= 0x1000;
455 immr
->im_ioport
.iop_pcpar
&= ~(0x0C00);
456 immr
->im_ioport
.iop_pcdir
|= 0x0C00 ;
457 immr
->im_ioport
.iop_pcdat
|= 0x0800 ;
458 immr
->im_ioport
.iop_pcdat
&= ~(0x0400);
459 debug ("PDPAR=0x%04X PDDIR=0x%04X PDDAT=0x%04X\n",
460 immr
->im_ioport
.iop_pdpar
,
461 immr
->im_ioport
.iop_pddir
,
462 immr
->im_ioport
.iop_pddat
);
463 debug ("PCPAR=0x%04X PCDIR=0x%04X PCDAT=0x%04X\n",
464 immr
->im_ioport
.iop_pcpar
,
465 immr
->im_ioport
.iop_pcdir
,
466 immr
->im_ioport
.iop_pcdat
);
470 /************************************************************************/
472 #endif /* CONFIG_LCD */