| /* |
| * (C) Copyright 2007 |
| * DENX Software Engineering, Anatolij Gustschin, agust@denx.de |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| /* |
| * mb862xx.c - Graphic interface for Fujitsu CoralP/Lime |
| * PCI and video mode code was derived from smiLynxEM driver. |
| */ |
| |
| #include <common.h> |
| |
| #include <asm/io.h> |
| #include <pci.h> |
| #include <video_fb.h> |
| #include "videomodes.h" |
| #include <mb862xx.h> |
| |
| #if defined(CONFIG_POST) |
| #include <post.h> |
| #endif |
| |
| /* |
| * Graphic Device |
| */ |
| GraphicDevice mb862xx; |
| |
| /* |
| * 32MB external RAM - 256K Chip MMIO = 0x1FC0000 ; |
| */ |
| #define VIDEO_MEM_SIZE 0x01FC0000 |
| |
| #if defined(CONFIG_PCI) |
| #if defined(CONFIG_VIDEO_CORALP) |
| |
| static struct pci_device_id supported[] = { |
| { PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_P }, |
| { PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_PA }, |
| { } |
| }; |
| |
| /* Internal clock frequency divider table, index is mode number */ |
| unsigned int fr_div[] = { 0x00000f00, 0x00000900, 0x00000500 }; |
| #endif |
| #endif |
| |
| #if defined(CONFIG_VIDEO_CORALP) |
| #define rd_io in32r |
| #define wr_io out32r |
| #else |
| #define rd_io(addr) in_be32((volatile unsigned *)(addr)) |
| #define wr_io(addr, val) out_be32((volatile unsigned *)(addr), (val)) |
| #endif |
| |
| #define HOST_RD_REG(off) rd_io((dev->frameAdrs + 0x01fc0000 + (off))) |
| #define HOST_WR_REG(off, val) wr_io((dev->frameAdrs + 0x01fc0000 + (off)), \ |
| (val)) |
| #define DISP_RD_REG(off) rd_io((dev->frameAdrs + 0x01fd0000 + (off))) |
| #define DISP_WR_REG(off, val) wr_io((dev->frameAdrs + 0x01fd0000 + (off)), \ |
| (val)) |
| #define DE_RD_REG(off) rd_io((dev->dprBase + (off))) |
| #define DE_WR_REG(off, val) wr_io((dev->dprBase + (off)), (val)) |
| |
| #if defined(CONFIG_VIDEO_CORALP) |
| #define DE_WR_FIFO(val) wr_io((dev->dprBase + (0x8400)), (val)) |
| #else |
| #define DE_WR_FIFO(val) wr_io((dev->dprBase + (0x04a0)), (val)) |
| #endif |
| |
| #define L0PAL_WR_REG(idx, val) wr_io((dev->frameAdrs + 0x01fd0400 + \ |
| ((idx) << 2)), (val)) |
| |
| static void gdc_sw_reset (void) |
| { |
| GraphicDevice *dev = &mb862xx; |
| |
| HOST_WR_REG (0x002c, 0x00000001); |
| udelay (500); |
| video_hw_init (); |
| } |
| |
| |
| static void de_wait (void) |
| { |
| GraphicDevice *dev = &mb862xx; |
| int lc = 0x10000; |
| |
| /* |
| * Sync with software writes to framebuffer, |
| * try to reset if engine locked |
| */ |
| while (DE_RD_REG (0x0400) & 0x00000131) |
| if (lc-- < 0) { |
| gdc_sw_reset (); |
| printf ("gdc reset done after drawing engine lock.\n"); |
| break; |
| } |
| } |
| |
| static void de_wait_slots (int slots) |
| { |
| GraphicDevice *dev = &mb862xx; |
| int lc = 0x10000; |
| |
| /* Wait for free fifo slots */ |
| while (DE_RD_REG (0x0408) < slots) |
| if (lc-- < 0) { |
| gdc_sw_reset (); |
| printf ("gdc reset done after drawing engine lock.\n"); |
| break; |
| } |
| } |
| |
| #if !defined(CONFIG_VIDEO_CORALP) |
| static void board_disp_init (void) |
| { |
| GraphicDevice *dev = &mb862xx; |
| const gdc_regs *regs = board_get_regs (); |
| |
| while (regs->index) { |
| DISP_WR_REG (regs->index, regs->value); |
| regs++; |
| } |
| } |
| #endif |
| |
| /* |
| * Init drawing engine |
| */ |
| static void de_init (void) |
| { |
| GraphicDevice *dev = &mb862xx; |
| int cf = (dev->gdfBytesPP == 1) ? 0x0000 : 0x8000; |
| |
| dev->dprBase = dev->frameAdrs + 0x01ff0000; |
| |
| /* Setup mode and fbbase, xres, fg, bg */ |
| de_wait_slots (2); |
| DE_WR_FIFO (0xf1010108); |
| DE_WR_FIFO (cf | 0x0300); |
| DE_WR_REG (0x0440, 0x0000); |
| DE_WR_REG (0x0444, dev->winSizeX); |
| DE_WR_REG (0x0480, 0x0000); |
| DE_WR_REG (0x0484, 0x0000); |
| /* Reset clipping */ |
| DE_WR_REG (0x0454, 0x0000); |
| DE_WR_REG (0x0458, dev->winSizeX); |
| DE_WR_REG (0x045c, 0x0000); |
| DE_WR_REG (0x0460, dev->winSizeY); |
| |
| /* Clear framebuffer using drawing engine */ |
| de_wait_slots (3); |
| DE_WR_FIFO (0x09410000); |
| DE_WR_FIFO (0x00000000); |
| DE_WR_FIFO (dev->winSizeY << 16 | dev->winSizeX); |
| /* sync with SW access to framebuffer */ |
| de_wait (); |
| } |
| |
| #if defined(CONFIG_VIDEO_CORALP) |
| unsigned int pci_video_init (void) |
| { |
| GraphicDevice *dev = &mb862xx; |
| pci_dev_t devbusfn; |
| |
| if ((devbusfn = pci_find_devices (supported, 0)) < 0) { |
| printf ("PCI video controller not found!\n"); |
| return 0; |
| } |
| |
| /* PCI setup */ |
| pci_write_config_dword (devbusfn, PCI_COMMAND, |
| (PCI_COMMAND_MEMORY | PCI_COMMAND_IO)); |
| pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &dev->frameAdrs); |
| dev->frameAdrs = pci_mem_to_phys (devbusfn, dev->frameAdrs); |
| |
| if (dev->frameAdrs == 0) { |
| printf ("PCI config: failed to get base address\n"); |
| return 0; |
| } |
| |
| dev->pciBase = dev->frameAdrs; |
| |
| /* Setup clocks and memory mode for Coral-P Eval. Board */ |
| HOST_WR_REG (0x0038, 0x00090000); |
| udelay (200); |
| HOST_WR_REG (0xfffc, 0x11d7fa13); |
| udelay (100); |
| return dev->frameAdrs; |
| } |
| |
| unsigned int card_init (void) |
| { |
| GraphicDevice *dev = &mb862xx; |
| unsigned int cf, videomode, div = 0; |
| unsigned long t1, hsync, vsync; |
| char *penv; |
| int tmp, i, bpp; |
| struct ctfb_res_modes *res_mode; |
| struct ctfb_res_modes var_mode; |
| |
| memset (dev, 0, sizeof (GraphicDevice)); |
| |
| if (!pci_video_init ()) |
| return 0; |
| |
| printf ("CoralP\n"); |
| |
| tmp = 0; |
| videomode = 0x310; |
| /* get video mode via environment */ |
| if ((penv = getenv ("videomode")) != NULL) { |
| /* decide if it is a string */ |
| if (penv[0] <= '9') { |
| videomode = (int) simple_strtoul (penv, NULL, 16); |
| tmp = 1; |
| } |
| } else { |
| tmp = 1; |
| } |
| |
| if (tmp) { |
| /* parameter are vesa modes, search params */ |
| for (i = 0; i < VESA_MODES_COUNT; i++) { |
| if (vesa_modes[i].vesanr == videomode) |
| break; |
| } |
| if (i == VESA_MODES_COUNT) { |
| printf ("\tno VESA Mode found, fallback to mode 0x%x\n", |
| videomode); |
| i = 0; |
| } |
| res_mode = (struct ctfb_res_modes *) |
| &res_mode_init[vesa_modes[i].resindex]; |
| if (vesa_modes[i].resindex > 2) { |
| printf ("\tUnsupported resolution, using default\n"); |
| bpp = vesa_modes[1].bits_per_pixel; |
| div = fr_div[1]; |
| } |
| bpp = vesa_modes[i].bits_per_pixel; |
| div = fr_div[vesa_modes[i].resindex]; |
| } else { |
| res_mode = (struct ctfb_res_modes *) &var_mode; |
| bpp = video_get_params (res_mode, penv); |
| } |
| |
| /* calculate hsync and vsync freq (info only) */ |
| t1 = (res_mode->left_margin + res_mode->xres + |
| res_mode->right_margin + res_mode->hsync_len) / 8; |
| t1 *= 8; |
| t1 *= res_mode->pixclock; |
| t1 /= 1000; |
| hsync = 1000000000L / t1; |
| t1 *= (res_mode->upper_margin + res_mode->yres + |
| res_mode->lower_margin + res_mode->vsync_len); |
| t1 /= 1000; |
| vsync = 1000000000L / t1; |
| |
| /* fill in Graphic device struct */ |
| sprintf (dev->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres, |
| res_mode->yres, bpp, (hsync / 1000), (vsync / 1000)); |
| printf ("\t%s\n", dev->modeIdent); |
| dev->winSizeX = res_mode->xres; |
| dev->winSizeY = res_mode->yres; |
| dev->memSize = VIDEO_MEM_SIZE; |
| |
| switch (bpp) { |
| case 8: |
| dev->gdfIndex = GDF__8BIT_INDEX; |
| dev->gdfBytesPP = 1; |
| break; |
| case 15: |
| case 16: |
| dev->gdfIndex = GDF_15BIT_555RGB; |
| dev->gdfBytesPP = 2; |
| break; |
| default: |
| printf ("\t%d bpp configured, but only 8,15 and 16 supported\n", |
| bpp); |
| printf ("\tSwitching back to 15bpp\n"); |
| dev->gdfIndex = GDF_15BIT_555RGB; |
| dev->gdfBytesPP = 2; |
| } |
| |
| /* Setup dot clock (internal pll, division rate) */ |
| DISP_WR_REG (0x0100, div); |
| /* L0 init */ |
| cf = (dev->gdfBytesPP == 1) ? 0x00000000 : 0x80000000; |
| DISP_WR_REG (0x0020, ((dev->winSizeX * dev->gdfBytesPP) / 64) << 16 | |
| (dev->winSizeY - 1) | cf); |
| DISP_WR_REG (0x0024, 0x00000000); |
| DISP_WR_REG (0x0028, 0x00000000); |
| DISP_WR_REG (0x002c, 0x00000000); |
| DISP_WR_REG (0x0110, 0x00000000); |
| DISP_WR_REG (0x0114, 0x00000000); |
| DISP_WR_REG (0x0118, (dev->winSizeY - 1) << 16 | dev->winSizeX); |
| |
| /* Display timing init */ |
| DISP_WR_REG (0x0004, (dev->winSizeX + |
| res_mode->left_margin + |
| res_mode->right_margin + |
| res_mode->hsync_len - 1) << 16); |
| DISP_WR_REG (0x0008, (dev->winSizeX - 1) << 16 | (dev->winSizeX - 1)); |
| DISP_WR_REG (0x000c, (res_mode->vsync_len - 1) << 24 | |
| (res_mode->hsync_len - 1) << 16 | |
| (dev->winSizeX + res_mode->right_margin - 1)); |
| DISP_WR_REG (0x0010, (dev->winSizeY + res_mode->lower_margin + |
| res_mode->upper_margin + |
| res_mode->vsync_len - 1) << 16); |
| DISP_WR_REG (0x0014, (dev->winSizeY-1) << 16 | |
| (dev->winSizeY + res_mode->lower_margin - 1)); |
| DISP_WR_REG (0x0018, 0x00000000); |
| DISP_WR_REG (0x001c, dev->winSizeY << 16 | dev->winSizeX); |
| /* Display enable, L0 layer */ |
| DISP_WR_REG (0x0100, 0x80010000 | div); |
| |
| return dev->frameAdrs; |
| } |
| #endif |
| |
| void *video_hw_init (void) |
| { |
| GraphicDevice *dev = &mb862xx; |
| |
| printf ("Video: Fujitsu "); |
| |
| memset (dev, 0, sizeof (GraphicDevice)); |
| |
| #if defined(CONFIG_VIDEO_CORALP) |
| if (card_init () == 0) |
| return NULL; |
| #else |
| /* |
| * Preliminary init of the onboard graphic controller, |
| * retrieve base address |
| */ |
| if ((dev->frameAdrs = board_video_init ()) == 0) { |
| printf ("Controller not found!\n"); |
| return NULL; |
| } else |
| printf ("Lime\n"); |
| #endif |
| |
| de_init (); |
| |
| #if !defined(CONFIG_VIDEO_CORALP) |
| board_disp_init (); |
| #endif |
| |
| #if (defined(CONFIG_LWMON5) || \ |
| defined(CONFIG_SOCRATES)) && !(CONFIG_POST & CONFIG_SYS_POST_SYSMON) |
| /* Lamp on */ |
| board_backlight_switch (1); |
| #endif |
| |
| return dev; |
| } |
| |
| /* |
| * Set a RGB color in the LUT |
| */ |
| void video_set_lut (unsigned int index, unsigned char r, |
| unsigned char g, unsigned char b) |
| { |
| GraphicDevice *dev = &mb862xx; |
| |
| L0PAL_WR_REG (index, (r << 16) | (g << 8) | (b)); |
| } |
| |
| /* |
| * Drawing engine Fill and BitBlt screen region |
| */ |
| void video_hw_rectfill (unsigned int bpp, unsigned int dst_x, |
| unsigned int dst_y, unsigned int dim_x, |
| unsigned int dim_y, unsigned int color) |
| { |
| GraphicDevice *dev = &mb862xx; |
| |
| de_wait_slots (3); |
| DE_WR_REG (0x0480, color); |
| DE_WR_FIFO (0x09410000); |
| DE_WR_FIFO ((dst_y << 16) | dst_x); |
| DE_WR_FIFO ((dim_y << 16) | dim_x); |
| de_wait (); |
| } |
| |
| void video_hw_bitblt (unsigned int bpp, unsigned int src_x, |
| unsigned int src_y, unsigned int dst_x, |
| unsigned int dst_y, unsigned int width, |
| unsigned int height) |
| { |
| GraphicDevice *dev = &mb862xx; |
| unsigned int ctrl = 0x0d000000L; |
| |
| if (src_x >= dst_x && src_y >= dst_y) |
| ctrl |= 0x00440000L; |
| else if (src_x >= dst_x && src_y <= dst_y) |
| ctrl |= 0x00460000L; |
| else if (src_x <= dst_x && src_y >= dst_y) |
| ctrl |= 0x00450000L; |
| else |
| ctrl |= 0x00470000L; |
| |
| de_wait_slots (4); |
| DE_WR_FIFO (ctrl); |
| DE_WR_FIFO ((src_y << 16) | src_x); |
| DE_WR_FIFO ((dst_y << 16) | dst_x); |
| DE_WR_FIFO ((height << 16) | width); |
| de_wait (); /* sync */ |
| } |