Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 71 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c b/qemu/roms/u-boot/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c
new file mode 100644
index 000000000..8f4183b82
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2007-2011 Freescale Semiconductor, Inc.
+ * Authors: York Sun <yorksun@freescale.com>
+ *          Timur Tabi <timur@freescale.com>
+ *
+ * FSL DIU Framebuffer driver
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#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)
+{
+	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
+	volatile ccsr_gur_t *gur = &immap->im_gur;
+	volatile unsigned int *guts_clkdvdr = &gur->clkdvdr;
+	unsigned long speed_ccb, temp, pixval;
+
+	speed_ccb = get_bus_freq(0);
+	temp = 1000000000/pixclock;
+	temp *= 1000;
+	pixval = speed_ccb / temp;
+	debug("DIU pixval = %lu\n", pixval);
+
+	/* Modify PXCLK in GUTS CLKDVDR */
+	debug("DIU: Current value of CLKDVDR = 0x%08x\n", *guts_clkdvdr);
+	temp = *guts_clkdvdr & 0x2000FFFF;
+	*guts_clkdvdr = temp;				/* turn off clock */
+	*guts_clkdvdr = temp | 0x80000000 | ((pixval & 0x1F) << 16);
+	debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *guts_clkdvdr);
+}
+
+int platform_diu_init(unsigned int xres, unsigned int yres, const char *port)
+{
+	const char *name;
+	int gamma_fix = 0;
+	u32 pixel_format = 0x88883316;
+	u8 temp;
+
+	temp = in_8(&pixis->brdcfg0);
+
+	if (strncmp(port, "dlvds", 5) == 0) {
+		/* Dual link LVDS */
+		gamma_fix = 1;
+		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";
+	}
+
+	printf("DIU:   Switching to %s monitor @ %ux%u\n", name, xres, yres);
+	out_8(&pixis->brdcfg0, temp);
+
+	return fsl_diu_init(xres, yres, pixel_format, gamma_fix);
+}