upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
433 lines
11 KiB
433 lines
11 KiB
/*
|
|
* Copyright 2007, 2010-2011 Freescale Semiconductor, Inc.
|
|
* Authors: York Sun <yorksun@freescale.com>
|
|
* Timur Tabi <timur@freescale.com>
|
|
*
|
|
* FSL DIU Framebuffer driver
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <malloc.h>
|
|
#include <asm/io.h>
|
|
|
|
#include "videomodes.h"
|
|
#include <video_fb.h>
|
|
#include <fsl_diu_fb.h>
|
|
#include <linux/list.h>
|
|
#include <linux/fb.h>
|
|
|
|
/* This setting is used for the ifm pdm360ng with PRIMEVIEW PM070WL3 */
|
|
static struct fb_videomode fsl_diu_mode_800_480 = {
|
|
.name = "800x480-60",
|
|
.refresh = 60,
|
|
.xres = 800,
|
|
.yres = 480,
|
|
.pixclock = 31250,
|
|
.left_margin = 86,
|
|
.right_margin = 42,
|
|
.upper_margin = 33,
|
|
.lower_margin = 10,
|
|
.hsync_len = 128,
|
|
.vsync_len = 2,
|
|
.sync = 0,
|
|
.vmode = FB_VMODE_NONINTERLACED
|
|
};
|
|
|
|
/* For the SHARP LQ084S3LG01, used on the P1022DS board */
|
|
static struct fb_videomode fsl_diu_mode_800_600 = {
|
|
.name = "800x600-60",
|
|
.refresh = 60,
|
|
.xres = 800,
|
|
.yres = 600,
|
|
.pixclock = 25000,
|
|
.left_margin = 88,
|
|
.right_margin = 40,
|
|
.upper_margin = 23,
|
|
.lower_margin = 1,
|
|
.hsync_len = 128,
|
|
.vsync_len = 4,
|
|
.sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
.vmode = FB_VMODE_NONINTERLACED
|
|
};
|
|
|
|
/*
|
|
* These parameters give default parameters
|
|
* for video output 1024x768,
|
|
* FIXME - change timing to proper amounts
|
|
* hsync 31.5kHz, vsync 60Hz
|
|
*/
|
|
static struct fb_videomode fsl_diu_mode_1024_768 = {
|
|
.name = "1024x768-60",
|
|
.refresh = 60,
|
|
.xres = 1024,
|
|
.yres = 768,
|
|
.pixclock = 15385,
|
|
.left_margin = 160,
|
|
.right_margin = 24,
|
|
.upper_margin = 29,
|
|
.lower_margin = 3,
|
|
.hsync_len = 136,
|
|
.vsync_len = 6,
|
|
.sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
.vmode = FB_VMODE_NONINTERLACED
|
|
};
|
|
|
|
static struct fb_videomode fsl_diu_mode_1280_1024 = {
|
|
.name = "1280x1024-60",
|
|
.refresh = 60,
|
|
.xres = 1280,
|
|
.yres = 1024,
|
|
.pixclock = 9375,
|
|
.left_margin = 38,
|
|
.right_margin = 128,
|
|
.upper_margin = 2,
|
|
.lower_margin = 7,
|
|
.hsync_len = 216,
|
|
.vsync_len = 37,
|
|
.sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
.vmode = FB_VMODE_NONINTERLACED
|
|
};
|
|
|
|
static struct fb_videomode fsl_diu_mode_1280_720 = {
|
|
.name = "1280x720-60",
|
|
.refresh = 60,
|
|
.xres = 1280,
|
|
.yres = 720,
|
|
.pixclock = 13426,
|
|
.left_margin = 192,
|
|
.right_margin = 64,
|
|
.upper_margin = 22,
|
|
.lower_margin = 1,
|
|
.hsync_len = 136,
|
|
.vsync_len = 3,
|
|
.sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
.vmode = FB_VMODE_NONINTERLACED
|
|
};
|
|
|
|
static struct fb_videomode fsl_diu_mode_1920_1080 = {
|
|
.name = "1920x1080-60",
|
|
.refresh = 60,
|
|
.xres = 1920,
|
|
.yres = 1080,
|
|
.pixclock = 5787,
|
|
.left_margin = 328,
|
|
.right_margin = 120,
|
|
.upper_margin = 34,
|
|
.lower_margin = 1,
|
|
.hsync_len = 208,
|
|
.vsync_len = 3,
|
|
.sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
.vmode = FB_VMODE_NONINTERLACED
|
|
};
|
|
|
|
/*
|
|
* These are the fields of area descriptor(in DDR memory) for every plane
|
|
*/
|
|
struct diu_ad {
|
|
/* Word 0(32-bit) in DDR memory */
|
|
__le32 pix_fmt; /* hard coding pixel format */
|
|
/* Word 1(32-bit) in DDR memory */
|
|
__le32 addr;
|
|
/* Word 2(32-bit) in DDR memory */
|
|
__le32 src_size_g_alpha;
|
|
/* Word 3(32-bit) in DDR memory */
|
|
__le32 aoi_size;
|
|
/* Word 4(32-bit) in DDR memory */
|
|
__le32 offset_xyi;
|
|
/* Word 5(32-bit) in DDR memory */
|
|
__le32 offset_xyd;
|
|
/* Word 6(32-bit) in DDR memory */
|
|
__le32 ckmax_r:8;
|
|
__le32 ckmax_g:8;
|
|
__le32 ckmax_b:8;
|
|
__le32 res9:8;
|
|
/* Word 7(32-bit) in DDR memory */
|
|
__le32 ckmin_r:8;
|
|
__le32 ckmin_g:8;
|
|
__le32 ckmin_b:8;
|
|
__le32 res10:8;
|
|
/* Word 8(32-bit) in DDR memory */
|
|
__le32 next_ad;
|
|
/* Word 9(32-bit) in DDR memory, just for 64-bit aligned */
|
|
__le32 res[3];
|
|
} __attribute__ ((packed));
|
|
|
|
/*
|
|
* DIU register map
|
|
*/
|
|
struct diu {
|
|
__be32 desc[3];
|
|
__be32 gamma;
|
|
__be32 pallete;
|
|
__be32 cursor;
|
|
__be32 curs_pos;
|
|
__be32 diu_mode;
|
|
__be32 bgnd;
|
|
__be32 bgnd_wb;
|
|
__be32 disp_size;
|
|
__be32 wb_size;
|
|
__be32 wb_mem_addr;
|
|
__be32 hsyn_para;
|
|
__be32 vsyn_para;
|
|
__be32 syn_pol;
|
|
__be32 thresholds;
|
|
__be32 int_status;
|
|
__be32 int_mask;
|
|
__be32 colorbar[8];
|
|
__be32 filling;
|
|
__be32 plut;
|
|
} __attribute__ ((packed));
|
|
|
|
struct diu_addr {
|
|
void *vaddr; /* Virtual address */
|
|
u32 paddr; /* 32-bit physical address */
|
|
unsigned int offset; /* Alignment offset */
|
|
};
|
|
|
|
static struct fb_info info;
|
|
|
|
/*
|
|
* Align to 64-bit(8-byte), 32-byte, etc.
|
|
*/
|
|
static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align)
|
|
{
|
|
u32 offset, ssize;
|
|
u32 mask;
|
|
|
|
ssize = size + bytes_align;
|
|
buf->vaddr = malloc(ssize);
|
|
if (!buf->vaddr)
|
|
return -1;
|
|
|
|
memset(buf->vaddr, 0, ssize);
|
|
mask = bytes_align - 1;
|
|
offset = (u32)buf->vaddr & mask;
|
|
if (offset) {
|
|
buf->offset = bytes_align - offset;
|
|
buf->vaddr += offset;
|
|
} else
|
|
buf->offset = 0;
|
|
|
|
buf->paddr = virt_to_phys(buf->vaddr);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Allocate a framebuffer and an Area Descriptor that points to it. Both
|
|
* are created in the same memory block. The Area Descriptor is updated to
|
|
* point to the framebuffer memory. Memory is aligned as needed.
|
|
*/
|
|
static struct diu_ad *allocate_fb(unsigned int xres, unsigned int yres,
|
|
unsigned int depth, char **fb)
|
|
{
|
|
unsigned long size = xres * yres * depth;
|
|
struct diu_addr addr;
|
|
struct diu_ad *ad;
|
|
size_t ad_size = roundup(sizeof(struct diu_ad), 32);
|
|
|
|
/*
|
|
* Allocate a memory block that holds the Area Descriptor and the
|
|
* frame buffer right behind it. To keep the code simple, everything
|
|
* is aligned on a 32-byte address.
|
|
*/
|
|
if (allocate_buf(&addr, ad_size + size, 32) < 0)
|
|
return NULL;
|
|
|
|
ad = addr.vaddr;
|
|
ad->addr = cpu_to_le32(addr.paddr + ad_size);
|
|
ad->aoi_size = cpu_to_le32((yres << 16) | xres);
|
|
ad->src_size_g_alpha = cpu_to_le32((yres << 12) | xres);
|
|
ad->offset_xyi = 0;
|
|
ad->offset_xyd = 0;
|
|
|
|
if (fb)
|
|
*fb = addr.vaddr + ad_size;
|
|
|
|
return ad;
|
|
}
|
|
|
|
int fsl_diu_init(u16 xres, u16 yres, u32 pixel_format, int gamma_fix)
|
|
{
|
|
struct fb_videomode *fsl_diu_mode_db;
|
|
struct diu_ad *ad;
|
|
struct diu *hw = (struct diu *)CONFIG_SYS_DIU_ADDR;
|
|
u8 *gamma_table_base;
|
|
unsigned int i, j;
|
|
struct diu_addr gamma;
|
|
struct diu_addr cursor;
|
|
|
|
/* Convert the X,Y resolution pair into a single number */
|
|
#define RESOLUTION(x, y) (((u32)(x) << 16) | (y))
|
|
|
|
switch (RESOLUTION(xres, yres)) {
|
|
case RESOLUTION(800, 480):
|
|
fsl_diu_mode_db = &fsl_diu_mode_800_480;
|
|
break;
|
|
case RESOLUTION(800, 600):
|
|
fsl_diu_mode_db = &fsl_diu_mode_800_600;
|
|
break;
|
|
case RESOLUTION(1024, 768):
|
|
fsl_diu_mode_db = &fsl_diu_mode_1024_768;
|
|
break;
|
|
case RESOLUTION(1280, 1024):
|
|
fsl_diu_mode_db = &fsl_diu_mode_1280_1024;
|
|
break;
|
|
case RESOLUTION(1280, 720):
|
|
fsl_diu_mode_db = &fsl_diu_mode_1280_720;
|
|
break;
|
|
case RESOLUTION(1920, 1080):
|
|
fsl_diu_mode_db = &fsl_diu_mode_1920_1080;
|
|
break;
|
|
default:
|
|
printf("DIU: Unsupported resolution %ux%u\n", xres, yres);
|
|
return -1;
|
|
}
|
|
|
|
/* read mode info */
|
|
info.var.xres = fsl_diu_mode_db->xres;
|
|
info.var.yres = fsl_diu_mode_db->yres;
|
|
info.var.bits_per_pixel = 32;
|
|
info.var.pixclock = fsl_diu_mode_db->pixclock;
|
|
info.var.left_margin = fsl_diu_mode_db->left_margin;
|
|
info.var.right_margin = fsl_diu_mode_db->right_margin;
|
|
info.var.upper_margin = fsl_diu_mode_db->upper_margin;
|
|
info.var.lower_margin = fsl_diu_mode_db->lower_margin;
|
|
info.var.hsync_len = fsl_diu_mode_db->hsync_len;
|
|
info.var.vsync_len = fsl_diu_mode_db->vsync_len;
|
|
info.var.sync = fsl_diu_mode_db->sync;
|
|
info.var.vmode = fsl_diu_mode_db->vmode;
|
|
info.fix.line_length = info.var.xres * info.var.bits_per_pixel / 8;
|
|
|
|
/* Memory allocation for framebuffer */
|
|
info.screen_size =
|
|
info.var.xres * info.var.yres * (info.var.bits_per_pixel / 8);
|
|
ad = allocate_fb(info.var.xres, info.var.yres,
|
|
info.var.bits_per_pixel / 8, &info.screen_base);
|
|
if (!ad) {
|
|
printf("DIU: Out of memory\n");
|
|
return -1;
|
|
}
|
|
|
|
ad->pix_fmt = pixel_format;
|
|
|
|
/* Disable chroma keying function */
|
|
ad->ckmax_r = 0;
|
|
ad->ckmax_g = 0;
|
|
ad->ckmax_b = 0;
|
|
|
|
ad->ckmin_r = 255;
|
|
ad->ckmin_g = 255;
|
|
ad->ckmin_b = 255;
|
|
|
|
/* Initialize the gamma table */
|
|
if (allocate_buf(&gamma, 256 * 3, 32) < 0) {
|
|
printf("DIU: Out of memory\n");
|
|
return -1;
|
|
}
|
|
gamma_table_base = gamma.vaddr;
|
|
for (i = 0; i <= 2; i++)
|
|
for (j = 0; j < 256; j++)
|
|
*gamma_table_base++ = j;
|
|
|
|
if (gamma_fix == 1) { /* fix the gamma */
|
|
gamma_table_base = gamma.vaddr;
|
|
for (i = 0; i < 256 * 3; i++) {
|
|
gamma_table_base[i] = (gamma_table_base[i] << 2)
|
|
| ((gamma_table_base[i] >> 6) & 0x03);
|
|
}
|
|
}
|
|
|
|
/* Initialize the cursor */
|
|
if (allocate_buf(&cursor, 32 * 32 * 2, 32) < 0) {
|
|
printf("DIU: Can't alloc cursor data\n");
|
|
return -1;
|
|
}
|
|
|
|
/* Program DIU registers */
|
|
out_be32(&hw->diu_mode, 0); /* Temporarily disable the DIU */
|
|
|
|
out_be32(&hw->gamma, gamma.paddr);
|
|
out_be32(&hw->cursor, cursor.paddr);
|
|
out_be32(&hw->bgnd, 0x007F7F7F);
|
|
out_be32(&hw->disp_size, info.var.yres << 16 | info.var.xres);
|
|
out_be32(&hw->hsyn_para, info.var.left_margin << 22 |
|
|
info.var.hsync_len << 11 |
|
|
info.var.right_margin);
|
|
|
|
out_be32(&hw->vsyn_para, info.var.upper_margin << 22 |
|
|
info.var.vsync_len << 11 |
|
|
info.var.lower_margin);
|
|
|
|
/* Pixel Clock configuration */
|
|
diu_set_pixel_clock(info.var.pixclock);
|
|
|
|
/* Set the frame buffers */
|
|
out_be32(&hw->desc[0], virt_to_phys(ad));
|
|
out_be32(&hw->desc[1], 0);
|
|
out_be32(&hw->desc[2], 0);
|
|
|
|
/* Enable the DIU, set display to all three planes */
|
|
out_be32(&hw->diu_mode, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void *video_hw_init(void)
|
|
{
|
|
static GraphicDevice ctfb;
|
|
const char *options;
|
|
unsigned int depth = 0, freq = 0;
|
|
|
|
if (!video_get_video_mode(&ctfb.winSizeX, &ctfb.winSizeY, &depth, &freq,
|
|
&options))
|
|
return NULL;
|
|
|
|
/* Find the monitor port, which is a required option */
|
|
if (!options)
|
|
return NULL;
|
|
if (strncmp(options, "monitor=", 8) != 0)
|
|
return NULL;
|
|
|
|
if (platform_diu_init(ctfb.winSizeX, ctfb.winSizeY, options + 8) < 0)
|
|
return NULL;
|
|
|
|
/* fill in Graphic device struct */
|
|
sprintf(ctfb.modeIdent, "%ix%ix%i %ikHz %iHz",
|
|
ctfb.winSizeX, ctfb.winSizeY, depth, 64, freq);
|
|
|
|
ctfb.frameAdrs = (unsigned int)info.screen_base;
|
|
ctfb.plnSizeX = ctfb.winSizeX;
|
|
ctfb.plnSizeY = ctfb.winSizeY;
|
|
|
|
ctfb.gdfBytesPP = 4;
|
|
ctfb.gdfIndex = GDF_32BIT_X888RGB;
|
|
|
|
ctfb.isaBase = 0;
|
|
ctfb.pciBase = 0;
|
|
ctfb.memSize = info.screen_size;
|
|
|
|
/* Cursor Start Address */
|
|
ctfb.dprBase = 0;
|
|
ctfb.vprBase = 0;
|
|
ctfb.cprBase = 0;
|
|
|
|
return &ctfb;
|
|
}
|
|
|