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path: root/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c
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Diffstat (limited to 'board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c')
-rw-r--r--board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c73
1 files changed, 31 insertions, 42 deletions
diff --git a/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c b/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c
index 81e53e7..3011bb8 100644
--- a/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c
+++ b/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c
@@ -1,6 +1,7 @@
/*
- * Copyright 2007 Freescale Semiconductor, Inc.
- * York Sun <yorksun@freescale.com>
+ * Copyright 2007-2011 Freescale Semiconductor, Inc.
+ * Authors: York Sun <yorksun@freescale.com>
+ * Timur Tabi <timur@freescale.com>
*
* FSL DIU Framebuffer driver
*
@@ -27,6 +28,10 @@
#include <command.h>
#include <asm/io.h>
#include <fsl_diu_fb.h>
+#include "../common/pixis.h"
+
+#define PX_BRDCFG0_DLINK 0x10
+#define PX_BRDCFG0_DVISEL 0x08
void diu_set_pixel_clock(unsigned int pixclock)
{
@@ -49,50 +54,34 @@ void diu_set_pixel_clock(unsigned int pixclock)
debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *guts_clkdvdr);
}
-int platform_diu_init(unsigned int *xres, unsigned int *yres)
+int platform_diu_init(unsigned int xres, unsigned int yres, const char *port)
{
- char *monitor_port;
- int gamma_fix;
- unsigned int pixel_format;
- unsigned char tmp_val;
- unsigned char pixis_arch;
- u8 *pixis_base = (u8 *)PIXIS_BASE;
-
- tmp_val = in_8(pixis_base + PIXIS_BRDCFG0);
- pixis_arch = in_8(pixis_base + PIXIS_VER);
-
- monitor_port = getenv("monitor");
- if (!strncmp(monitor_port, "0", 1)) { /* 0 - DVI */
- *xres = 1280;
- *yres = 1024;
- if (pixis_arch == 0x01)
- pixel_format = 0x88882317;
- else
- pixel_format = 0x88883316;
- gamma_fix = 0;
- out_8(pixis_base + PIXIS_BRDCFG0, tmp_val | 0x08);
+ const char *name;
+ int gamma_fix = 0;
+ u32 pixel_format = 0x88883316;
+ u8 temp;
- } else if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */
- *xres = 1024;
- *yres = 768;
- pixel_format = 0x88883316;
- gamma_fix = 0;
- out_8(pixis_base + PIXIS_BRDCFG0, (tmp_val & 0xf7) | 0x10);
+ temp = in_8(&pixis->brdcfg0);
- } else if (!strncmp(monitor_port, "2", 1)) { /* 2 - Double link LVDS */
- *xres = 1280;
- *yres = 1024;
- pixel_format = 0x88883316;
+ if (strncmp(port, "dlvds", 5) == 0) {
+ /* Dual link LVDS */
gamma_fix = 1;
- out_8(pixis_base + PIXIS_BRDCFG0, tmp_val & 0xe7);
-
- } else { /* DVI */
- *xres = 1280;
- *yres = 1024;
- pixel_format = 0x88882317;
- gamma_fix = 0;
- out_8(pixis_base + PIXIS_BRDCFG0, tmp_val | 0x08);
+ temp &= ~(PX_BRDCFG0_DLINK | PX_BRDCFG0_DVISEL);
+ name = "Dual-Link LVDS";
+ } else if (strncmp(port, "lvds", 4) == 0) {
+ /* Single link LVDS */
+ temp = (temp & ~PX_BRDCFG0_DVISEL) | PX_BRDCFG0_DLINK;
+ name = "Single-Link LVDS";
+ } else {
+ /* DVI */
+ if (in_8(&pixis->ver) == 1) /* Board version */
+ pixel_format = 0x88882317;
+ temp |= PX_BRDCFG0_DVISEL;
+ name = "DVI";
}
- return fsl_diu_init(*xres, pixel_format, gamma_fix);
+ printf("DIU: Switching to %s monitor @ %ux%u\n", name, xres, yres);
+ out_8(&pixis->brdcfg0, temp);
+
+ return fsl_diu_init(xres, pixel_format, gamma_fix);
}