3 * DENX Software Engineering, Anatolij Gustschin, agust@denx.de
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * mb862xx.c - Graphic interface for Fujitsu CoralP/Lime
26 * PCI and video mode code was derived from smiLynxEM driver.
34 #include "videomodes.h"
37 #if defined(CONFIG_POST)
44 GraphicDevice mb862xx;
47 * 32MB external RAM - 256K Chip MMIO = 0x1FC0000 ;
49 #define VIDEO_MEM_SIZE 0x01FC0000
51 #if defined(CONFIG_PCI)
52 #if defined(CONFIG_VIDEO_CORALP)
54 static struct pci_device_id supported[] = {
55 { PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_P },
56 { PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_PA },
60 /* Internal clock frequency divider table, index is mode number */
61 unsigned int fr_div[] = { 0x00000f00, 0x00000900, 0x00000500 };
65 #if defined(CONFIG_VIDEO_CORALP)
69 #define rd_io(addr) in_be32((volatile unsigned *)(addr))
70 #define wr_io(addr, val) out_be32((volatile unsigned *)(addr), (val))
73 #define HOST_RD_REG(off) rd_io((dev->frameAdrs + GC_HOST_BASE + (off)))
74 #define HOST_WR_REG(off, val) wr_io((dev->frameAdrs + GC_HOST_BASE + (off)), \
76 #define DISP_RD_REG(off) rd_io((dev->frameAdrs + GC_DISP_BASE + (off)))
77 #define DISP_WR_REG(off, val) wr_io((dev->frameAdrs + GC_DISP_BASE + (off)), \
79 #define DE_RD_REG(off) rd_io((dev->dprBase + (off)))
80 #define DE_WR_REG(off, val) wr_io((dev->dprBase + (off)), (val))
82 #if defined(CONFIG_VIDEO_CORALP)
83 #define DE_WR_FIFO(val) wr_io((dev->dprBase + (GC_GEO_FIFO)), (val))
85 #define DE_WR_FIFO(val) wr_io((dev->dprBase + (GC_FIFO)), (val))
88 #define L0PAL_WR_REG(idx, val) wr_io((dev->frameAdrs + \
89 (GC_DISP_BASE | GC_L0PAL0) + \
92 static void gdc_sw_reset (void)
94 GraphicDevice *dev = &mb862xx;
96 HOST_WR_REG (GC_SRST, 0x1);
102 static void de_wait (void)
104 GraphicDevice *dev = &mb862xx;
108 * Sync with software writes to framebuffer,
109 * try to reset if engine locked
111 while (DE_RD_REG (GC_CTR) & 0x00000131)
114 printf ("gdc reset done after drawing engine lock.\n");
119 static void de_wait_slots (int slots)
121 GraphicDevice *dev = &mb862xx;
124 /* Wait for free fifo slots */
125 while (DE_RD_REG (GC_IFCNT) < slots)
128 printf ("gdc reset done after drawing engine lock.\n");
133 #if !defined(CONFIG_VIDEO_CORALP)
134 static void board_disp_init (void)
136 GraphicDevice *dev = &mb862xx;
137 const gdc_regs *regs = board_get_regs ();
139 while (regs->index) {
140 DISP_WR_REG (regs->index, regs->value);
147 * Init drawing engine
149 static void de_init (void)
151 GraphicDevice *dev = &mb862xx;
152 int cf = (dev->gdfBytesPP == 1) ? 0x0000 : 0x8000;
154 dev->dprBase = dev->frameAdrs + GC_DRAW_BASE;
156 /* Setup mode and fbbase, xres, fg, bg */
158 DE_WR_FIFO (0xf1010108);
159 DE_WR_FIFO (cf | 0x0300);
160 DE_WR_REG (GC_FBR, 0x0);
161 DE_WR_REG (GC_XRES, dev->winSizeX);
162 DE_WR_REG (GC_FC, 0x0);
163 DE_WR_REG (GC_BC, 0x0);
165 DE_WR_REG (GC_CXMIN, 0x0);
166 DE_WR_REG (GC_CXMAX, dev->winSizeX);
167 DE_WR_REG (GC_CYMIN, 0x0);
168 DE_WR_REG (GC_CYMAX, dev->winSizeY);
170 /* Clear framebuffer using drawing engine */
172 DE_WR_FIFO (0x09410000);
173 DE_WR_FIFO (0x00000000);
174 DE_WR_FIFO (dev->winSizeY << 16 | dev->winSizeX);
175 /* sync with SW access to framebuffer */
179 #if defined(CONFIG_VIDEO_CORALP)
180 unsigned int pci_video_init (void)
182 GraphicDevice *dev = &mb862xx;
185 if ((devbusfn = pci_find_devices (supported, 0)) < 0) {
186 printf ("PCI video controller not found!\n");
191 pci_write_config_dword (devbusfn, PCI_COMMAND,
192 (PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
193 pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &dev->frameAdrs);
194 dev->frameAdrs = pci_mem_to_phys (devbusfn, dev->frameAdrs);
196 if (dev->frameAdrs == 0) {
197 printf ("PCI config: failed to get base address\n");
201 dev->pciBase = dev->frameAdrs;
203 /* Setup clocks and memory mode for Coral-P Eval. Board */
204 HOST_WR_REG (GC_CCF, 0x00090000);
206 HOST_WR_REG (GC_MMR, 0x11d7fa13);
208 return dev->frameAdrs;
211 unsigned int card_init (void)
213 GraphicDevice *dev = &mb862xx;
214 unsigned int cf, videomode, div = 0;
215 unsigned long t1, hsync, vsync;
218 struct ctfb_res_modes *res_mode;
219 struct ctfb_res_modes var_mode;
221 memset (dev, 0, sizeof (GraphicDevice));
223 if (!pci_video_init ())
230 /* get video mode via environment */
231 if ((penv = getenv ("videomode")) != NULL) {
232 /* decide if it is a string */
233 if (penv[0] <= '9') {
234 videomode = (int) simple_strtoul (penv, NULL, 16);
242 /* parameter are vesa modes, search params */
243 for (i = 0; i < VESA_MODES_COUNT; i++) {
244 if (vesa_modes[i].vesanr == videomode)
247 if (i == VESA_MODES_COUNT) {
248 printf ("\tno VESA Mode found, fallback to mode 0x%x\n",
252 res_mode = (struct ctfb_res_modes *)
253 &res_mode_init[vesa_modes[i].resindex];
254 if (vesa_modes[i].resindex > 2) {
255 printf ("\tUnsupported resolution, using default\n");
256 bpp = vesa_modes[1].bits_per_pixel;
259 bpp = vesa_modes[i].bits_per_pixel;
260 div = fr_div[vesa_modes[i].resindex];
262 res_mode = (struct ctfb_res_modes *) &var_mode;
263 bpp = video_get_params (res_mode, penv);
266 /* calculate hsync and vsync freq (info only) */
267 t1 = (res_mode->left_margin + res_mode->xres +
268 res_mode->right_margin + res_mode->hsync_len) / 8;
270 t1 *= res_mode->pixclock;
272 hsync = 1000000000L / t1;
273 t1 *= (res_mode->upper_margin + res_mode->yres +
274 res_mode->lower_margin + res_mode->vsync_len);
276 vsync = 1000000000L / t1;
278 /* fill in Graphic device struct */
279 sprintf (dev->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
280 res_mode->yres, bpp, (hsync / 1000), (vsync / 1000));
281 printf ("\t%s\n", dev->modeIdent);
282 dev->winSizeX = res_mode->xres;
283 dev->winSizeY = res_mode->yres;
284 dev->memSize = VIDEO_MEM_SIZE;
288 dev->gdfIndex = GDF__8BIT_INDEX;
293 dev->gdfIndex = GDF_15BIT_555RGB;
297 printf ("\t%d bpp configured, but only 8,15 and 16 supported\n",
299 printf ("\tSwitching back to 15bpp\n");
300 dev->gdfIndex = GDF_15BIT_555RGB;
304 /* Setup dot clock (internal pll, division rate) */
305 DISP_WR_REG (GC_DCM1, div);
307 cf = (dev->gdfBytesPP == 1) ? 0x00000000 : 0x80000000;
308 DISP_WR_REG (GC_L0M, ((dev->winSizeX * dev->gdfBytesPP) / 64) << 16 |
309 (dev->winSizeY - 1) | cf);
310 DISP_WR_REG (GC_L0OA0, 0x0);
311 DISP_WR_REG (GC_L0DA0, 0x0);
312 DISP_WR_REG (GC_L0DY_L0DX, 0x0);
313 DISP_WR_REG (GC_L0EM, 0x0);
314 DISP_WR_REG (GC_L0WY_L0WX, 0x0);
315 DISP_WR_REG (GC_L0WH_L0WW, (dev->winSizeY - 1) << 16 | dev->winSizeX);
317 /* Display timing init */
318 DISP_WR_REG (GC_HTP_A, (dev->winSizeX +
319 res_mode->left_margin +
320 res_mode->right_margin +
321 res_mode->hsync_len - 1) << 16);
322 DISP_WR_REG (GC_HDB_HDP_A, (dev->winSizeX - 1) << 16 |
323 (dev->winSizeX - 1));
324 DISP_WR_REG (GC_VSW_HSW_HSP_A, (res_mode->vsync_len - 1) << 24 |
325 (res_mode->hsync_len - 1) << 16 |
327 res_mode->right_margin - 1));
328 DISP_WR_REG (GC_VTR_A, (dev->winSizeY + res_mode->lower_margin +
329 res_mode->upper_margin +
330 res_mode->vsync_len - 1) << 16);
331 DISP_WR_REG (GC_VDP_VSP_A, (dev->winSizeY-1) << 16 |
333 res_mode->lower_margin - 1));
334 DISP_WR_REG (GC_WY_WX, 0x0);
335 DISP_WR_REG (GC_WH_WW, dev->winSizeY << 16 | dev->winSizeX);
336 /* Display enable, L0 layer */
337 DISP_WR_REG (GC_DCM1, 0x80010000 | div);
339 return dev->frameAdrs;
343 void *video_hw_init (void)
345 GraphicDevice *dev = &mb862xx;
347 printf ("Video: Fujitsu ");
349 memset (dev, 0, sizeof (GraphicDevice));
351 #if defined(CONFIG_VIDEO_CORALP)
352 if (card_init () == 0)
356 * Preliminary init of the onboard graphic controller,
357 * retrieve base address
359 if ((dev->frameAdrs = board_video_init ()) == 0) {
360 printf ("Controller not found!\n");
368 #if !defined(CONFIG_VIDEO_CORALP)
372 #if (defined(CONFIG_LWMON5) || \
373 defined(CONFIG_SOCRATES)) && !(CONFIG_POST & CONFIG_SYS_POST_SYSMON)
375 board_backlight_switch (1);
382 * Set a RGB color in the LUT
384 void video_set_lut (unsigned int index, unsigned char r,
385 unsigned char g, unsigned char b)
387 GraphicDevice *dev = &mb862xx;
389 L0PAL_WR_REG (index, (r << 16) | (g << 8) | (b));
393 * Drawing engine Fill and BitBlt screen region
395 void video_hw_rectfill (unsigned int bpp, unsigned int dst_x,
396 unsigned int dst_y, unsigned int dim_x,
397 unsigned int dim_y, unsigned int color)
399 GraphicDevice *dev = &mb862xx;
402 DE_WR_REG (GC_FC, color);
403 DE_WR_FIFO (0x09410000);
404 DE_WR_FIFO ((dst_y << 16) | dst_x);
405 DE_WR_FIFO ((dim_y << 16) | dim_x);
409 void video_hw_bitblt (unsigned int bpp, unsigned int src_x,
410 unsigned int src_y, unsigned int dst_x,
411 unsigned int dst_y, unsigned int width,
414 GraphicDevice *dev = &mb862xx;
415 unsigned int ctrl = 0x0d000000L;
417 if (src_x >= dst_x && src_y >= dst_y)
419 else if (src_x >= dst_x && src_y <= dst_y)
421 else if (src_x <= dst_x && src_y >= dst_y)
428 DE_WR_FIFO ((src_y << 16) | src_x);
429 DE_WR_FIFO ((dst_y << 16) | dst_x);
430 DE_WR_FIFO ((height << 16) | width);
431 de_wait (); /* sync */