[U-Boot] [PATCH] Add suport for the graphic controller included in the JADE SOC
Matthias Weisser
matthias.weisser at graf-syteco.de
Tue Jun 30 15:21:02 CEST 2009
Signed-off-by: Matthias Weisser <matthias.weisser at graf-syteco.de>
---
drivers/video/jadegdc.c | 205 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 205 insertions(+), 0 deletions(-)
create mode 100755 drivers/video/jadegdc.c
diff --git a/drivers/video/jadegdc.c b/drivers/video/jadegdc.c
new file mode 100755
index 0000000..88b71b7
--- /dev/null
+++ b/drivers/video/jadegdc.c
@@ -0,0 +1,205 @@
+/*
+ * (C) Copyright 2007
+ * DENX Software Engineering, Anatolij Gustschin, agust at 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
+ */
+
+/*
+ * jade.c - Graphic interface for Fujitsu Jade integrated graphic
+ * controller. Derived from mb862xx.c
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_VIDEO_JADEGDC)
+
+#include <malloc.h>
+#include <asm/io.h>
+#include <video_fb.h>
+#include "videomodes.h"
+
+#if defined(CONFIG_POST)
+#include <post.h>
+#endif
+
+/*
+ * 4MB (at the end of system RAM)
+ */
+#define VIDEO_MEM_SIZE 0x400000
+
+#define GDC_HOST_BASE 0xF1FC0000
+#define GDC_DSP0_BASE 0xF1FD0000
+#define GDC_DSP1_BASE 0xF1FD2000
+
+/*
+ * Graphic Device
+ */
+GraphicDevice jadegdc;
+
+void *video_hw_init (void)
+{
+ GraphicDevice *pGD = (GraphicDevice *)&jadegdc;
+ struct ctfb_res_modes var_mode[2];
+ unsigned long * vid;
+ unsigned long div;
+ unsigned long dspBase[2];
+ char *penv;
+ int bpp;
+ int i, j;
+
+ memset (pGD, 0, sizeof (GraphicDevice));
+
+ dspBase[0] = GDC_DSP0_BASE;
+ dspBase[1] = GDC_DSP1_BASE;
+
+ /* Preliminary init of the onboard graphic controller,
+ retrieve base address */
+ if ((pGD->frameAdrs = GDC_HOST_BASE) == 0) {
+ printf ("Controller not found!\n");
+ return (NULL);
+ }
+
+ pGD->gdfIndex = GDF_15BIT_555RGB;
+ pGD->gdfBytesPP = 2;
+
+ pGD->memSize = VIDEO_MEM_SIZE;
+ pGD->frameAdrs = PHYS_SDRAM + PHYS_SDRAM_SIZE - VIDEO_MEM_SIZE;
+ vid = (unsigned long *)pGD->frameAdrs;
+
+ for(i = 0; i < 2; i++)
+ {
+ char varName[32];
+ u32 dcm1, dcm2, dcm3;
+ u16 htp, hdp, hdb, hsp, vtr, vsp, vdp;
+ u8 hsw, vsw;
+ u32 l2m, l2em, l2oa0, l2da0, l2oa1, l2da1;
+ u16 l2dx, l2dy, l2wx, l2wy, l2ww, l2wh;
+
+ sprintf(varName, "gs_dsp_%d_param", i);
+
+ if(NULL == (penv = getenv (varName)))
+ if(NULL == (penv = getenv ("videomode")))
+ continue;
+
+ bpp = 0;
+ bpp = video_get_params (&var_mode[i], penv);
+
+ if(0 == bpp){
+ var_mode[i].xres = 640;
+ var_mode[i].yres = 480;
+ var_mode[i].pixclock = 39721; /* 25MHz */
+ var_mode[i].left_margin = 48;
+ var_mode[i].right_margin = 16;
+ var_mode[i].upper_margin = 33;
+ var_mode[i].lower_margin = 10;
+ var_mode[i].hsync_len = 96;
+ var_mode[i].vsync_len = 2;
+ var_mode[i].sync = 0;
+ var_mode[i].vmode = 0;
+ }
+
+ for(j = 0; j < var_mode[i].xres * var_mode[i].yres / 2; j++)
+ {
+ *vid++ = 0xFFFFFFFF;
+ }
+
+ pGD->winSizeX = var_mode[i].xres;
+ pGD->winSizeY = var_mode[i].yres;
+
+ /* LCD base clock is ~ 660MHZ. We do calculations in kHz */
+ div = 660000 / (1000000000L / var_mode[i].pixclock);
+ if(div > 64)
+ div = 64;
+
+ dcm1 = div << 8;
+ dcm2 = 0x00000000;
+ dcm3 = 0x00000000;
+
+ htp = var_mode[i].left_margin + var_mode[i].xres + var_mode[i].hsync_len + var_mode[i].right_margin;
+ hdp = var_mode[i].xres;
+ hdb = var_mode[i].xres;
+ hsp = var_mode[i].xres + var_mode[i].right_margin;
+ hsw = var_mode[i].hsync_len;
+
+ vsw = var_mode[i].vsync_len;
+ vtr = var_mode[i].upper_margin + var_mode[i].yres + var_mode[i].vsync_len + var_mode[i].lower_margin;
+ vsp = var_mode[i].yres + var_mode[i].lower_margin;
+ vdp = var_mode[i].yres;
+
+ l2m = ( (var_mode[i].yres-1) << ( 0)) |
+ (((var_mode[i].xres * 2)/64) << (16)) |
+ ( (1) << (31));
+
+ l2em = (1<<0) | (1 <<1);
+
+ l2oa0 = pGD->frameAdrs;
+ l2da0 = pGD->frameAdrs;
+ l2oa1 = pGD->frameAdrs;
+ l2da1 = pGD->frameAdrs;
+ l2dx = 0;
+ l2dy = 0;
+ l2wx = 0;
+ l2wy = 0;
+ l2ww = var_mode[i].xres;
+ l2wh = var_mode[i].yres - 1;
+
+ writel(dcm1, dspBase[i] + 0x100);
+ writel(dcm2, dspBase[i] + 0x104);
+ writel(dcm3, dspBase[i] + 0x108);
+
+ writew(htp, dspBase[i] + 0x006);
+ writew(hdp, dspBase[i] + 0x008);
+ writew(hdb, dspBase[i] + 0x00A);
+ writew(hsp, dspBase[i] + 0x00C);
+ writeb(hsw, dspBase[i] + 0x00E);
+
+ writeb(vsw, dspBase[i] + 0x00F);
+ writew(vtr, dspBase[i] + 0x012);
+ writew(vsp, dspBase[i] + 0x014);
+ writew(vdp, dspBase[i] + 0x016);
+
+ writel( l2m, dspBase[i] + 0x040);
+ writel( l2em, dspBase[i] + 0x130);
+ writel(l2oa0, dspBase[i] + 0x044);
+ writel(l2da0, dspBase[i] + 0x048);
+ writel(l2oa1, dspBase[i] + 0x04C);
+ writel(l2da1, dspBase[i] + 0x050);
+ writew( l2dx, dspBase[i] + 0x054);
+ writew( l2dy, dspBase[i] + 0x056);
+ writew( l2wx, dspBase[i] + 0x134);
+ writew( l2wy, dspBase[i] + 0x136);
+ writew( l2ww, dspBase[i] + 0x138);
+ writew( l2wh, dspBase[i] + 0x13A);
+
+ writel(dcm1 | (1<<18) | (1<<31), dspBase[i] + 0x100);
+ }
+
+ return pGD;
+}
+
+/*
+ * Set a RGB color in the LUT
+ */
+void video_set_lut (unsigned int index, unsigned char r, unsigned char g, unsigned char b)
+{
+
+}
+
+#endif /* CONFIG_VIDEO_JADEGDC */
--
1.5.6.3
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