+// SPDX-License-Identifier: GPL-2.0+
/*
* Porting to u-boot:
*
* MX51 Linux framebuffer:
*
* (C) Copyright 2004-2010 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
+#include <asm/global_data.h>
#include <linux/string.h>
#include <linux/list.h>
#include <linux/fb.h>
#include "mxcfb.h"
#include "ipu_regs.h"
+DECLARE_GLOBAL_DATA_PTR;
+
static int mxcfb_map_video_memory(struct fb_info *fbi);
static int mxcfb_unmap_video_memory(struct fb_info *fbi);
static uint8_t gdisp;
static uint32_t gpixfmt;
-void fb_videomode_to_var(struct fb_var_screeninfo *var,
+static void fb_videomode_to_var(struct fb_var_screeninfo *var,
const struct fb_videomode *mode)
{
var->xres = mode->xres;
if (fbi->var.sync & FB_SYNC_CLK_IDLE_EN)
sig_cfg.clkidle_en = 1;
- debug("pixclock = %ul Hz\n",
- (u32) (PICOS2KHZ(fbi->var.pixclock) * 1000UL));
+ debug("pixclock = %lu Hz\n", PICOS2KHZ(fbi->var.pixclock) * 1000UL);
if (ipu_init_sync_panel(mxc_fbi->ipu_di,
(PICOS2KHZ(fbi->var.pixclock)) * 1000UL,
fbi->fix.smem_len = fbi->var.yres_virtual *
fbi->fix.line_length;
}
-
- fbi->screen_base = (char *)malloc(fbi->fix.smem_len);
+ fbi->fix.smem_len = roundup(fbi->fix.smem_len, ARCH_DMA_MINALIGN);
+ fbi->screen_base = (char *)memalign(ARCH_DMA_MINALIGN,
+ fbi->fix.smem_len);
fbi->fix.smem_start = (unsigned long)fbi->screen_base;
if (fbi->screen_base == 0) {
puts("Unable to allocate framebuffer memory\n");
fbi->screen_size = fbi->fix.smem_len;
+ gd->fb_base = fbi->fix.smem_start;
+
/* Clear the screen */
memset((char *)fbi->screen_base, 0, fbi->fix.smem_len);
/*
* Probe routine for the framebuffer driver. It is called during the
- * driver binding process. The following functions are performed in
+ * driver binding process. The following functions are performed in
* this routine: Framebuffer initialization, Memory allocation and
* mapping, Framebuffer registration, IPU initialization.
*
mxcfb_set_fix(fbi);
- /* alocate fb first */
+ /* allocate fb first */
if (mxcfb_map_video_memory(fbi) < 0)
return -ENOMEM;
int i;
struct ipu_stat *stat = (struct ipu_stat *)IPU_STAT;
+ if (!ipu_clk_enabled())
+ return;
+
for (i = 0; i < ARRAY_SIZE(mxcfb_info); i++) {
struct fb_info *fbi = mxcfb_info[i];
if (fbi) {
return (void *)&panel;
}
-void video_set_lut(unsigned int index, /* color number */
- unsigned char r, /* red */
- unsigned char g, /* green */
- unsigned char b /* blue */
- )
-{
- return;
-}
-
int ipuv3_fb_init(struct fb_videomode const *mode,
uint8_t disp,
uint32_t pixfmt)