This is a framebuffer driver for ATI video card, can work for PCI9200,

X300, X700, X800 ATI video cards.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Signed-off-by: Jason Jin <Jason.jin@freescale.com>

4 files changed, 992 insertions, 1 deletions

diff --git a/drivers/Makefile b/drivers/Makefile
index fa2e86f..881153a 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -52,7 +52,7 @@ COBJS	= 3c589.o 5701rls.o ali512x.o ata_piix.o atmel_usart.o \
 	  ks8695eth.o \
 	  pxa_pcmcia.o mpc8xx_pcmcia.o tqm8xx_pcmcia.o	\
 	  rpx_pcmcia.o \
-	  fsl_i2c.o fsl_pci_init.o
+	  fsl_i2c.o fsl_pci_init.o ati_radeon_fb.o
 
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/drivers/ati_ids.h b/drivers/ati_ids.h
new file mode 100644
index 0000000..35fe505
--- /dev/null
+++ b/drivers/ati_ids.h
@@ -0,0 +1,212 @@
+/*
+ * ATI PCI IDs from XFree86, kept here to make sync'ing with
+ * XFree much simpler. Currently, this list is only used by
+ * radeonfb
+ */
+
+#define PCI_CHIP_RV380_3150             0x3150
+#define PCI_CHIP_RV380_3151             0x3151
+#define PCI_CHIP_RV380_3152             0x3152
+#define PCI_CHIP_RV380_3153             0x3153
+#define PCI_CHIP_RV380_3154             0x3154
+#define PCI_CHIP_RV380_3156             0x3156
+#define PCI_CHIP_RV380_3E50             0x3E50
+#define PCI_CHIP_RV380_3E51             0x3E51
+#define PCI_CHIP_RV380_3E52             0x3E52
+#define PCI_CHIP_RV380_3E53             0x3E53
+#define PCI_CHIP_RV380_3E54             0x3E54
+#define PCI_CHIP_RV380_3E56             0x3E56
+#define PCI_CHIP_RS100_4136		0x4136
+#define PCI_CHIP_RS200_4137		0x4137
+#define PCI_CHIP_R300_AD		0x4144
+#define PCI_CHIP_R300_AE		0x4145
+#define PCI_CHIP_R300_AF		0x4146
+#define PCI_CHIP_R300_AG		0x4147
+#define PCI_CHIP_R350_AH                0x4148
+#define PCI_CHIP_R350_AI                0x4149
+#define PCI_CHIP_R350_AJ                0x414A
+#define PCI_CHIP_R350_AK                0x414B
+#define PCI_CHIP_RV350_AP               0x4150
+#define PCI_CHIP_RV350_AQ               0x4151
+#define PCI_CHIP_RV360_AR               0x4152
+#define PCI_CHIP_RV350_AS               0x4153
+#define PCI_CHIP_RV350_AT               0x4154
+#define PCI_CHIP_RV350_AV               0x4156
+#define PCI_CHIP_MACH32		0x4158
+#define PCI_CHIP_RS250_4237		0x4237
+#define PCI_CHIP_R200_BB		0x4242
+#define PCI_CHIP_R200_BC		0x4243
+#define PCI_CHIP_RS100_4336		0x4336
+#define PCI_CHIP_RS200_4337		0x4337
+#define PCI_CHIP_MACH64CT		0x4354
+#define PCI_CHIP_MACH64CX		0x4358
+#define PCI_CHIP_RS250_4437		0x4437
+#define PCI_CHIP_MACH64ET		0x4554
+#define PCI_CHIP_MACH64GB		0x4742
+#define PCI_CHIP_MACH64GD		0x4744
+#define PCI_CHIP_MACH64GI		0x4749
+#define PCI_CHIP_MACH64GL		0x474C
+#define PCI_CHIP_MACH64GM		0x474D
+#define PCI_CHIP_MACH64GN		0x474E
+#define PCI_CHIP_MACH64GO		0x474F
+#define PCI_CHIP_MACH64GP		0x4750
+#define PCI_CHIP_MACH64GQ		0x4751
+#define PCI_CHIP_MACH64GR		0x4752
+#define PCI_CHIP_MACH64GS		0x4753
+#define PCI_CHIP_MACH64GT		0x4754
+#define PCI_CHIP_MACH64GU		0x4755
+#define PCI_CHIP_MACH64GV		0x4756
+#define PCI_CHIP_MACH64GW		0x4757
+#define PCI_CHIP_MACH64GX		0x4758
+#define PCI_CHIP_MACH64GY		0x4759
+#define PCI_CHIP_MACH64GZ		0x475A
+#define PCI_CHIP_RV250_Id		0x4964
+#define PCI_CHIP_RV250_Ie		0x4965
+#define PCI_CHIP_RV250_If		0x4966
+#define PCI_CHIP_RV250_Ig		0x4967
+#define PCI_CHIP_R420_JH                0x4A48
+#define PCI_CHIP_R420_JI                0x4A49
+#define PCI_CHIP_R420_JJ                0x4A4A
+#define PCI_CHIP_R420_JK                0x4A4B
+#define PCI_CHIP_R420_JL                0x4A4C
+#define PCI_CHIP_R420_JM                0x4A4D
+#define PCI_CHIP_R420_JN                0x4A4E
+#define PCI_CHIP_R420_JP                0x4A50
+#define PCI_CHIP_MACH64LB		0x4C42
+#define PCI_CHIP_MACH64LD		0x4C44
+#define PCI_CHIP_RAGE128LE		0x4C45
+#define PCI_CHIP_RAGE128LF		0x4C46
+#define PCI_CHIP_MACH64LG		0x4C47
+#define PCI_CHIP_MACH64LI		0x4C49
+#define PCI_CHIP_MACH64LM		0x4C4D
+#define PCI_CHIP_MACH64LN		0x4C4E
+#define PCI_CHIP_MACH64LP		0x4C50
+#define PCI_CHIP_MACH64LQ		0x4C51
+#define PCI_CHIP_MACH64LR		0x4C52
+#define PCI_CHIP_MACH64LS		0x4C53
+#define PCI_CHIP_MACH64LT		0x4C54
+#define PCI_CHIP_RADEON_LW		0x4C57
+#define PCI_CHIP_RADEON_LX		0x4C58
+#define PCI_CHIP_RADEON_LY		0x4C59
+#define PCI_CHIP_RADEON_LZ		0x4C5A
+#define PCI_CHIP_RV250_Ld		0x4C64
+#define PCI_CHIP_RV250_Le		0x4C65
+#define PCI_CHIP_RV250_Lf		0x4C66
+#define PCI_CHIP_RV250_Lg		0x4C67
+#define PCI_CHIP_RV250_Ln		0x4C6E
+#define PCI_CHIP_RAGE128MF		0x4D46
+#define PCI_CHIP_RAGE128ML		0x4D4C
+#define PCI_CHIP_R300_ND		0x4E44
+#define PCI_CHIP_R300_NE		0x4E45
+#define PCI_CHIP_R300_NF		0x4E46
+#define PCI_CHIP_R300_NG		0x4E47
+#define PCI_CHIP_R350_NH                0x4E48
+#define PCI_CHIP_R350_NI                0x4E49
+#define PCI_CHIP_R360_NJ                0x4E4A
+#define PCI_CHIP_R350_NK                0x4E4B
+#define PCI_CHIP_RV350_NP               0x4E50
+#define PCI_CHIP_RV350_NQ               0x4E51
+#define PCI_CHIP_RV350_NR               0x4E52
+#define PCI_CHIP_RV350_NS               0x4E53
+#define PCI_CHIP_RV350_NT               0x4E54
+#define PCI_CHIP_RV350_NV               0x4E56
+#define PCI_CHIP_RAGE128PA		0x5041
+#define PCI_CHIP_RAGE128PB		0x5042
+#define PCI_CHIP_RAGE128PC		0x5043
+#define PCI_CHIP_RAGE128PD		0x5044
+#define PCI_CHIP_RAGE128PE		0x5045
+#define PCI_CHIP_RAGE128PF		0x5046
+#define PCI_CHIP_RAGE128PG		0x5047
+#define PCI_CHIP_RAGE128PH		0x5048
+#define PCI_CHIP_RAGE128PI		0x5049
+#define PCI_CHIP_RAGE128PJ		0x504A
+#define PCI_CHIP_RAGE128PK		0x504B
+#define PCI_CHIP_RAGE128PL		0x504C
+#define PCI_CHIP_RAGE128PM		0x504D
+#define PCI_CHIP_RAGE128PN		0x504E
+#define PCI_CHIP_RAGE128PO		0x504F
+#define PCI_CHIP_RAGE128PP		0x5050
+#define PCI_CHIP_RAGE128PQ		0x5051
+#define PCI_CHIP_RAGE128PR		0x5052
+#define PCI_CHIP_RAGE128PS		0x5053
+#define PCI_CHIP_RAGE128PT		0x5054
+#define PCI_CHIP_RAGE128PU		0x5055
+#define PCI_CHIP_RAGE128PV		0x5056
+#define PCI_CHIP_RAGE128PW		0x5057
+#define PCI_CHIP_RAGE128PX		0x5058
+#define PCI_CHIP_RADEON_QD		0x5144
+#define PCI_CHIP_RADEON_QE		0x5145
+#define PCI_CHIP_RADEON_QF		0x5146
+#define PCI_CHIP_RADEON_QG		0x5147
+#define PCI_CHIP_R200_QH		0x5148
+#define PCI_CHIP_R200_QI		0x5149
+#define PCI_CHIP_R200_QJ		0x514A
+#define PCI_CHIP_R200_QK		0x514B
+#define PCI_CHIP_R200_QL		0x514C
+#define PCI_CHIP_R200_QM		0x514D
+#define PCI_CHIP_R200_QN		0x514E
+#define PCI_CHIP_R200_QO		0x514F
+#define PCI_CHIP_RV200_QW		0x5157
+#define PCI_CHIP_RV200_QX		0x5158
+#define PCI_CHIP_RV100_QY		0x5159
+#define PCI_CHIP_RV100_QZ		0x515A
+#define PCI_CHIP_RN50			0x515E
+#define PCI_CHIP_RAGE128RE		0x5245
+#define PCI_CHIP_RAGE128RF		0x5246
+#define PCI_CHIP_RAGE128RG		0x5247
+#define PCI_CHIP_RAGE128RK		0x524B
+#define PCI_CHIP_RAGE128RL		0x524C
+#define PCI_CHIP_RAGE128SE		0x5345
+#define PCI_CHIP_RAGE128SF		0x5346
+#define PCI_CHIP_RAGE128SG		0x5347
+#define PCI_CHIP_RAGE128SH		0x5348
+#define PCI_CHIP_RAGE128SK		0x534B
+#define PCI_CHIP_RAGE128SL		0x534C
+#define PCI_CHIP_RAGE128SM		0x534D
+#define PCI_CHIP_RAGE128SN		0x534E
+#define PCI_CHIP_RAGE128TF		0x5446
+#define PCI_CHIP_RAGE128TL		0x544C
+#define PCI_CHIP_RAGE128TR		0x5452
+#define PCI_CHIP_RAGE128TS		0x5453
+#define PCI_CHIP_RAGE128TT		0x5454
+#define PCI_CHIP_RAGE128TU		0x5455
+#define PCI_CHIP_RV370_5460             0x5460
+#define PCI_CHIP_RV370_5461             0x5461
+#define PCI_CHIP_RV370_5462             0x5462
+#define PCI_CHIP_RV370_5463             0x5463
+#define PCI_CHIP_RV370_5464             0x5464
+#define PCI_CHIP_RV370_5465             0x5465
+#define PCI_CHIP_RV370_5466             0x5466
+#define PCI_CHIP_RV370_5467             0x5467
+#define PCI_CHIP_R423_UH                0x5548
+#define PCI_CHIP_R423_UI                0x5549
+#define PCI_CHIP_R423_UJ                0x554A
+#define PCI_CHIP_R423_UK                0x554B
+#define PCI_CHIP_R423_UQ                0x5551
+#define PCI_CHIP_R423_UR                0x5552
+#define PCI_CHIP_R423_UT                0x5554
+#define PCI_CHIP_MACH64VT		0x5654
+#define PCI_CHIP_MACH64VU		0x5655
+#define PCI_CHIP_MACH64VV		0x5656
+#define PCI_CHIP_RS300_5834		0x5834
+#define PCI_CHIP_RS300_5835		0x5835
+#define PCI_CHIP_RS300_5836		0x5836
+#define PCI_CHIP_RS300_5837		0x5837
+#define PCI_CHIP_RV370_5B60             0x5B60
+#define PCI_CHIP_RV370_5B61             0x5B61
+#define PCI_CHIP_RV370_5B62             0x5B62
+#define PCI_CHIP_RV370_5B63             0x5B63
+#define PCI_CHIP_RV370_5B64             0x5B64
+#define PCI_CHIP_RV370_5B65             0x5B65
+#define PCI_CHIP_RV370_5B66             0x5B66
+#define PCI_CHIP_RV370_5B67             0x5B67
+#define PCI_CHIP_RV280_5960		0x5960
+#define PCI_CHIP_RV280_5961		0x5961
+#define PCI_CHIP_RV280_5962		0x5962
+#define PCI_CHIP_RV280_5964		0x5964
+#define PCI_CHIP_RV280_5C61		0x5C61
+#define PCI_CHIP_RV280_5C63		0x5C63
+#define PCI_CHIP_R423_5D57              0x5D57
+#define PCI_CHIP_RS350_7834             0x7834
+#define PCI_CHIP_RS350_7835             0x7835
+
diff --git a/drivers/ati_radeon_fb.c b/drivers/ati_radeon_fb.c
new file mode 100644
index 0000000..e15140a
--- /dev/null
+++ b/drivers/ati_radeon_fb.c
@@ -0,0 +1,486 @@
+/*
+ * ATI Radeon Video card Framebuffer driver.
+ *
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ * Zhang Wei <wei.zhang@freescale.com>
+ * Jason Jin <jason.jin@freescale.com>
+ *
+ * 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
+ *
+ * Some codes of this file is partly ported from Linux kernel
+ * ATI video framebuffer driver.
+ *
+ * Now the driver is tested on below ATI chips:
+ *   9200
+ *   X300
+ *   X700
+ *
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_ATI_RADEON_FB
+
+#include <command.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <malloc.h>
+#include <video_fb.h>
+
+#include <radeon.h>
+#include "ati_ids.h"
+#include "ati_radeon_fb.h"
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DPRINT(x...) printf(x)
+#else
+#define DPRINT(x...) do{}while(0)
+#endif
+
+#ifndef min_t
+#define min_t(type,x,y) \
+	({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
+#endif
+
+#define MAX_MAPPED_VRAM	(2048*2048*4)
+#define MIN_MAPPED_VRAM	(1024*768*1)
+
+/*#define PCI_VENDOR_ID_ATI*/
+#define PCI_CHIP_RV280_5960		0x5960
+#define PCI_CHIP_RV280_5961		0x5961
+#define PCI_CHIP_RV280_5962		0x5962
+#define PCI_CHIP_RV280_5964		0x5964
+#define PCI_CHIP_RV370_5B60		0x5B60
+#define PCI_CHIP_RV380_5657		0x5657
+#define PCI_CHIP_R420_554d		0x554d
+
+static struct pci_device_id ati_radeon_pci_ids[] = {
+	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5960},
+	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5961},
+	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5962},
+	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5964},
+	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV370_5B60},
+	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV380_5657},
+	{PCI_VENDOR_ID_ATI, PCI_CHIP_R420_554d},
+	{0, 0}
+};
+
+static u16 ati_radeon_id_family_table[][2] = {
+	{PCI_CHIP_RV280_5960, CHIP_FAMILY_RV280},
+	{PCI_CHIP_RV280_5961, CHIP_FAMILY_RV280},
+	{PCI_CHIP_RV280_5962, CHIP_FAMILY_RV280},
+	{PCI_CHIP_RV280_5964, CHIP_FAMILY_RV280},
+	{PCI_CHIP_RV370_5B60, CHIP_FAMILY_RV380},
+	{PCI_CHIP_RV380_5657, CHIP_FAMILY_RV380},
+	{PCI_CHIP_R420_554d,  CHIP_FAMILY_R420},
+	{0, 0}
+};
+
+u16 get_radeon_id_family(u16 device)
+{
+	int i;
+	for (i=0; ati_radeon_id_family_table[0][i]; i+=2)
+		if (ati_radeon_id_family_table[0][i] == device)
+			return ati_radeon_id_family_table[0][i + 1];
+	return 0;
+}
+
+struct radeonfb_info *rinfo;
+
+static void radeon_identify_vram(struct radeonfb_info *rinfo)
+{
+	u32 tmp;
+
+	/* framebuffer size */
+	if ((rinfo->family == CHIP_FAMILY_RS100) ||
+		(rinfo->family == CHIP_FAMILY_RS200) ||
+		(rinfo->family == CHIP_FAMILY_RS300)) {
+		u32 tom = INREG(NB_TOM);
+		tmp = ((((tom >> 16) - (tom & 0xffff) + 1) << 6) * 1024);
+
+		radeon_fifo_wait(6);
+		OUTREG(MC_FB_LOCATION, tom);
+		OUTREG(DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
+		OUTREG(CRTC2_DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
+		OUTREG(OV0_BASE_ADDR, (tom & 0xffff) << 16);
+
+		/* This is supposed to fix the crtc2 noise problem. */
+		OUTREG(GRPH2_BUFFER_CNTL, INREG(GRPH2_BUFFER_CNTL) & ~0x7f0000);
+
+		if ((rinfo->family == CHIP_FAMILY_RS100) ||
+			(rinfo->family == CHIP_FAMILY_RS200)) {
+		/* This is to workaround the asic bug for RMX, some versions
+		   of BIOS dosen't have this register initialized correctly.
+		*/
+			OUTREGP(CRTC_MORE_CNTL, CRTC_H_CUTOFF_ACTIVE_EN,
+				~CRTC_H_CUTOFF_ACTIVE_EN);
+		}
+	} else {
+		tmp = INREG(CONFIG_MEMSIZE);
+        }
+
+	/* mem size is bits [28:0], mask off the rest */
+	rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK;
+
+	/*
+	 * Hack to get around some busted production M6's
+	 * reporting no ram
+	 */
+	if (rinfo->video_ram == 0) {
+		switch (rinfo->pdev.device) {
+		case PCI_CHIP_RADEON_LY:
+		case PCI_CHIP_RADEON_LZ:
+			rinfo->video_ram = 8192 * 1024;
+			break;
+		default:
+			break;
+		}
+	}
+
+	/*
+	 * Now try to identify VRAM type
+	 */
+	if ((rinfo->family >= CHIP_FAMILY_R300) ||
+	    (INREG(MEM_SDRAM_MODE_REG) & (1<<30)))
+		rinfo->vram_ddr = 1;
+	else
+		rinfo->vram_ddr = 0;
+
+	tmp = INREG(MEM_CNTL);
+	if (IS_R300_VARIANT(rinfo)) {
+		tmp &=  R300_MEM_NUM_CHANNELS_MASK;
+		switch (tmp) {
+		case 0:  rinfo->vram_width = 64; break;
+		case 1:  rinfo->vram_width = 128; break;
+		case 2:  rinfo->vram_width = 256; break;
+		default: rinfo->vram_width = 128; break;
+		}
+	} else if ((rinfo->family == CHIP_FAMILY_RV100) ||
+		   (rinfo->family == CHIP_FAMILY_RS100) ||
+		   (rinfo->family == CHIP_FAMILY_RS200)){
+		if (tmp & RV100_MEM_HALF_MODE)
+			rinfo->vram_width = 32;
+		else
+			rinfo->vram_width = 64;
+	} else {
+		if (tmp & MEM_NUM_CHANNELS_MASK)
+			rinfo->vram_width = 128;
+		else
+			rinfo->vram_width = 64;
+	}
+
+	/* This may not be correct, as some cards can have half of channel disabled
+	 * ToDo: identify these cases
+	 */
+
+	DPRINT("radeonfb: Found %ldk of %s %d bits wide videoram\n",
+	       rinfo->video_ram / 1024,
+	       rinfo->vram_ddr ? "DDR" : "SDRAM",
+	       rinfo->vram_width);
+
+}
+
+static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *mode)
+{
+	int i;
+
+	radeon_fifo_wait(20);
+
+#if 0
+	/* Workaround from XFree */
+	if (rinfo->is_mobility) {
+	        /* A temporal workaround for the occational blanking on certain laptop
+		 * panels. This appears to related to the PLL divider registers
+		 * (fail to lock?). It occurs even when all dividers are the same
+		 * with their old settings. In this case we really don't need to
+		 * fiddle with PLL registers. By doing this we can avoid the blanking
+		 * problem with some panels.
+	         */
+		if ((mode->ppll_ref_div == (INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK)) &&
+		    (mode->ppll_div_3 == (INPLL(PPLL_DIV_3) &
+					  (PPLL_POST3_DIV_MASK | PPLL_FB3_DIV_MASK)))) {
+			/* We still have to force a switch to selected PPLL div thanks to
+			 * an XFree86 driver bug which will switch it away in some cases
+			 * even when using UseFDev */
+			OUTREGP(CLOCK_CNTL_INDEX,
+				mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
+				~PPLL_DIV_SEL_MASK);
+			radeon_pll_errata_after_index(rinfo);
+			radeon_pll_errata_after_data(rinfo);
+			return;
+		}
+	}
+#endif
+	if(rinfo->pdev.device == PCI_CHIP_RV370_5B60) return;
+
+	/* Swich VCKL clock input to CPUCLK so it stays fed while PPLL updates*/
+	OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_CPUCLK, ~VCLK_SRC_SEL_MASK);
+
+	/* Reset PPLL & enable atomic update */
+	OUTPLLP(PPLL_CNTL,
+		PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN,
+		~(PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
+
+	/* Switch to selected PPLL divider */
+	OUTREGP(CLOCK_CNTL_INDEX,
+		mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
+		~PPLL_DIV_SEL_MASK);
+
+	/* Set PPLL ref. div */
+	if (rinfo->family == CHIP_FAMILY_R300 ||
+	    rinfo->family == CHIP_FAMILY_RS300 ||
+	    rinfo->family == CHIP_FAMILY_R350 ||
+	    rinfo->family == CHIP_FAMILY_RV350) {
+		if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
+			/* When restoring console mode, use saved PPLL_REF_DIV
+			 * setting.
+			 */
+			OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, 0);
+		} else {
+			/* R300 uses ref_div_acc field as real ref divider */
+			OUTPLLP(PPLL_REF_DIV,
+				(mode->ppll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT),
+				~R300_PPLL_REF_DIV_ACC_MASK);
+		}
+	} else
+		OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, ~PPLL_REF_DIV_MASK);
+
+	/* Set PPLL divider 3 & post divider*/
+	OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_FB3_DIV_MASK);
+	OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_POST3_DIV_MASK);
+
+	/* Write update */
+	while (INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R)
+		;
+	OUTPLLP(PPLL_REF_DIV, PPLL_ATOMIC_UPDATE_W, ~PPLL_ATOMIC_UPDATE_W);
+
+	/* Wait read update complete */
+	/* FIXME: Certain revisions of R300 can't recover here.  Not sure of
+	   the cause yet, but this workaround will mask the problem for now.
+	   Other chips usually will pass at the very first test, so the
+	   workaround shouldn't have any effect on them. */
+	for (i = 0; (i < 10000 && INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R); i++)
+		;
+
+	OUTPLL(HTOTAL_CNTL, 0);
+
+	/* Clear reset & atomic update */
+	OUTPLLP(PPLL_CNTL, 0,
+		~(PPLL_RESET | PPLL_SLEEP | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
+
+	/* We may want some locking ... oh well */
+	udelay(5000);
+
+	/* Switch back VCLK source to PPLL */
+	OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_PPLLCLK, ~VCLK_SRC_SEL_MASK);
+}
+
+typedef struct {
+	u16 reg;
+	u32 val;
+} reg_val;
+
+
+/* these common regs are cleared before mode setting so they do not
+ * interfere with anything
+ */
+static reg_val common_regs[] = {
+	{ OVR_CLR, 0 },
+	{ OVR_WID_LEFT_RIGHT, 0 },
+	{ OVR_WID_TOP_BOTTOM, 0 },
+	{ OV0_SCALE_CNTL, 0 },
+	{ SUBPIC_CNTL, 0 },
+	{ VIPH_CONTROL, 0 },
+	{ I2C_CNTL_1, 0 },
+	{ GEN_INT_CNTL, 0 },
+	{ CAP0_TRIG_CNTL, 0 },
+	{ CAP1_TRIG_CNTL, 0 },
+};
+
+
+void radeon_setmode(void)
+{
+	int i;
+	struct radeon_regs *mode = malloc(sizeof(struct radeon_regs));
+
+	mode->crtc_gen_cntl = 0x03000200;
+	mode->crtc_ext_cntl = 0x00008048;
+	mode->dac_cntl = 0xff002100;
+	mode->crtc_h_total_disp = 0x4f0063;
+	mode->crtc_h_sync_strt_wid = 0x8c02a2;
+	mode->crtc_v_total_disp = 0x01df020c;
+	mode->crtc_v_sync_strt_wid = 0x8201ea;
+	mode->crtc_pitch = 0x00500050;
+
+	OUTREG(CRTC_GEN_CNTL, mode->crtc_gen_cntl);
+	OUTREGP(CRTC_EXT_CNTL, mode->crtc_ext_cntl,
+		~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS));
+	OUTREGP(DAC_CNTL, mode->dac_cntl, DAC_RANGE_CNTL | DAC_BLANKING);
+	OUTREG(CRTC_H_TOTAL_DISP, mode->crtc_h_total_disp);
+	OUTREG(CRTC_H_SYNC_STRT_WID, mode->crtc_h_sync_strt_wid);
+	OUTREG(CRTC_V_TOTAL_DISP, mode->crtc_v_total_disp);
+	OUTREG(CRTC_V_SYNC_STRT_WID, mode->crtc_v_sync_strt_wid);
+	OUTREG(CRTC_OFFSET, 0);
+	OUTREG(CRTC_OFFSET_CNTL, 0);
+	OUTREG(CRTC_PITCH, mode->crtc_pitch);
+
+	mode->clk_cntl_index = 0x300;
+	mode->ppll_ref_div = 0xc;
+	mode->ppll_div_3 = 0x00030059;
+
+	radeon_write_pll_regs(rinfo, mode);
+}
+
+int radeon_probe(struct radeonfb_info *rinfo)
+{
+	pci_dev_t pdev;
+	u16 did;
+
+	pdev = pci_find_devices(ati_radeon_pci_ids, 0);
+
+	if (pdev != -1) {
+		pci_read_config_word(pdev, PCI_DEVICE_ID, &did);
+		printf("ATI Radeon video card (%04x, %04x) found @(%d:%d:%d)\n",
+				PCI_VENDOR_ID_ATI, did, (pdev >> 16) & 0xff,
+				(pdev >> 11) & 0x1f, (pdev >> 8) & 0x7);
+
+		strcpy(rinfo->name, "ATI Radeon");
+		rinfo->pdev.vendor = PCI_VENDOR_ID_ATI;
+		rinfo->pdev.device = did;
+		rinfo->family = get_radeon_id_family(rinfo->pdev.device);
+		pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0,
+				&rinfo->fb_base_phys);
+		pci_read_config_dword(pdev, PCI_BASE_ADDRESS_2,
+				&rinfo->mmio_base_phys);
+		rinfo->fb_base_phys &= 0xfffff000;
+		rinfo->mmio_base_phys &= ~0x04;
+
+		rinfo->mmio_base = (void *)rinfo->mmio_base_phys;
+		DPRINT("rinfo->mmio_base = 0x%x\n",rinfo->mmio_base);
+		rinfo->fb_local_base = INREG(MC_FB_LOCATION) << 16;
+		DPRINT("rinfo->fb_local_base = 0x%x\n",rinfo->fb_local_base);
+		/* PostBIOS with x86 emulater */
+		BootVideoCardBIOS(pdev, NULL, 0);
+
+		/*
+		 * Check for errata
+		 * (These will be added in the future for the chipfamily
+		 * R300, RV200, RS200, RV100, RS100.)
+		 */
+
+		/* Get VRAM size and type */
+		radeon_identify_vram(rinfo);
+
+		rinfo->mapped_vram = min_t(unsigned long, MAX_MAPPED_VRAM,
+				rinfo->video_ram);
+		rinfo->fb_base = (void *)rinfo->fb_base_phys;
+
+		DPRINT("Radeon: framebuffer base phy address 0x%08x," \
+		      "MMIO base phy address 0x%08x," \
+		      "framebuffer local base 0x%08x.\n ",
+		      rinfo->fb_base_phys, rinfo->mmio_base_phys,
+		      rinfo->fb_local_base);
+
+		return 0;
+	}
+	return -1;
+}
+
+/*
+ * The Graphic Device
+ */
+GraphicDevice ctfb;
+
+#define CURSOR_SIZE	0x1000	/* in KByte for HW Cursor */
+#define PATTERN_ADR	(pGD->dprBase + CURSOR_SIZE)	/* pattern Memory after Cursor Memory */
+#define PATTERN_SIZE	8*8*4	/* 4 Bytes per Pixel 8 x 8 Pixel */
+#define ACCELMEMORY	(CURSOR_SIZE + PATTERN_SIZE)	/* reserved Memory for BITBlt and hw cursor */
+
+void *video_hw_init(void)
+{
+	GraphicDevice *pGD = (GraphicDevice *) & ctfb;
+	int i;
+	u32 *vm;
+
+	rinfo = malloc(sizeof(struct radeonfb_info));
+
+	if(radeon_probe(rinfo)) {
+		printf("No radeon video card found!\n");
+		return NULL;
+	}
+
+	/* fill in Graphic device struct */
+	sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", 640,
+		 480, 16, (1000 / 1000),
+		 (2000 / 1000));
+	printf ("%s\n", pGD->modeIdent);
+
+	pGD->winSizeX = 640;
+	pGD->winSizeY = 480;
+	pGD->plnSizeX = 640;
+	pGD->plnSizeY = 480;
+
+	pGD->gdfBytesPP = 1;
+	pGD->gdfIndex = GDF__8BIT_INDEX;
+
+	pGD->isaBase = CFG_ISA_IO_BASE_ADDRESS;
+	pGD->pciBase = rinfo->fb_base_phys;
+	pGD->frameAdrs = rinfo->fb_base_phys;
+	pGD->memSize = 64 * 1024 * 1024;
+
+	/* Cursor Start Address */
+	pGD->dprBase =
+	    (pGD->winSizeX * pGD->winSizeY * pGD->gdfBytesPP) + rinfo->fb_base_phys;
+	if ((pGD->dprBase & 0x0fff) != 0) {
+		/* allign it */
+		pGD->dprBase &= 0xfffff000;
+		pGD->dprBase += 0x00001000;
+	}
+	DPRINT ("Cursor Start %x Pattern Start %x\n", pGD->dprBase,
+		PATTERN_ADR);
+	pGD->vprBase = rinfo->fb_base_phys;	/* Dummy */
+	pGD->cprBase = rinfo->fb_base_phys;	/* Dummy */
+	/* set up Hardware */
+
+	/* Clear video memory */
+	i = pGD->memSize / 4;
+	vm = (unsigned int *) pGD->pciBase;
+	while (i--)
+		*vm++ = 0;
+	/*SetDrawingEngine (bits_per_pixel);*/
+
+	radeon_setmode();
+
+	return ((void *) pGD);
+}
+
+void video_set_lut (unsigned int index,	/* color number */
+	       unsigned char r,	/* red */
+	       unsigned char g,	/* green */
+	       unsigned char b	/* blue */
+	       )
+{
+	OUTREG(PALETTE_INDEX, index);
+	OUTREG(PALETTE_DATA, (r << 16) | (g << 8) | b);
+}
+#endif
diff --git a/drivers/ati_radeon_fb.h b/drivers/ati_radeon_fb.h
new file mode 100644
index 0000000..1c3ba64
--- /dev/null
+++ b/drivers/ati_radeon_fb.h
@@ -0,0 +1,293 @@
+#ifndef __ATI_RADEON_FB_H
+#define __ATI_RADEON_FB_H
+
+/***************************************************************
+ * Most of the definitions here are adapted right from XFree86 *
+ ***************************************************************/
+
+
+/*
+ * Chip families. Must fit in the low 16 bits of a long word
+ */
+enum radeon_family {
+	CHIP_FAMILY_UNKNOW,
+	CHIP_FAMILY_LEGACY,
+	CHIP_FAMILY_RADEON,
+	CHIP_FAMILY_RV100,
+	CHIP_FAMILY_RS100,    /* U1 (IGP320M) or A3 (IGP320)*/
+	CHIP_FAMILY_RV200,
+	CHIP_FAMILY_RS200,    /* U2 (IGP330M/340M/350M) or A4 (IGP330/340/345/350),
+				 RS250 (IGP 7000) */
+	CHIP_FAMILY_R200,
+	CHIP_FAMILY_RV250,
+	CHIP_FAMILY_RS300,    /* Radeon 9000 IGP */
+	CHIP_FAMILY_RV280,
+	CHIP_FAMILY_R300,
+	CHIP_FAMILY_R350,
+	CHIP_FAMILY_RV350,
+	CHIP_FAMILY_RV380,    /* RV370/RV380/M22/M24 */
+	CHIP_FAMILY_R420,     /* R420/R423/M18 */
+	CHIP_FAMILY_LAST,
+};
+
+#define IS_RV100_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_RV100)  || \
+				 ((rinfo)->family == CHIP_FAMILY_RV200)  || \
+				 ((rinfo)->family == CHIP_FAMILY_RS100)  || \
+				 ((rinfo)->family == CHIP_FAMILY_RS200)  || \
+				 ((rinfo)->family == CHIP_FAMILY_RV250)  || \
+				 ((rinfo)->family == CHIP_FAMILY_RV280)  || \
+				 ((rinfo)->family == CHIP_FAMILY_RS300))
+
+
+#define IS_R300_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_R300)  || \
+				((rinfo)->family == CHIP_FAMILY_RV350) || \
+				((rinfo)->family == CHIP_FAMILY_R350)  || \
+				((rinfo)->family == CHIP_FAMILY_RV380) || \
+				((rinfo)->family == CHIP_FAMILY_R420))
+
+
+struct radeonfb_info {
+	char name[20];
+
+	struct pci_device_id	pdev;
+	u16 			family;
+
+	u32 			fb_base_phys;
+	u32 			mmio_base_phys;
+
+	void 			*mmio_base;
+	void 			*fb_base;
+
+	u32			video_ram;
+	u32			mapped_vram;
+	int			vram_width;
+	int			vram_ddr;
+
+	u32 			fb_local_base;
+};
+
+#define INREG8(addr)		readb((rinfo->mmio_base)+addr)
+#define OUTREG8(addr,val)	writeb(val, (rinfo->mmio_base)+addr)
+#define INREG16(addr)		readw((rinfo->mmio_base)+addr)
+#define OUTREG16(addr,val)	writew(val, (rinfo->mmio_base)+addr)
+#define INREG(addr)		readl((rinfo->mmio_base)+addr)
+#define OUTREG(addr,val)	writel(val, (rinfo->mmio_base)+addr)
+
+static inline void _OUTREGP(struct radeonfb_info *rinfo, u32 addr,
+		       u32 val, u32 mask)
+{
+	unsigned int tmp;
+
+	tmp = INREG(addr);
+	tmp &= (mask);
+	tmp |= (val);
+	OUTREG(addr, tmp);
+}
+
+#define OUTREGP(addr,val,mask)	_OUTREGP(rinfo, addr, val,mask)
+
+
+/*
+ * 2D Engine helper routines
+ */
+static inline void radeon_engine_flush (struct radeonfb_info *rinfo)
+{
+	int i;
+
+	/* initiate flush */
+	OUTREGP(RB2D_DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL,
+	        ~RB2D_DC_FLUSH_ALL);
+
+	for (i=0; i < 2000000; i++) {
+		if (!(INREG(RB2D_DSTCACHE_CTLSTAT) & RB2D_DC_BUSY))
+			return;
+		udelay(1);
+	}
+	printf("radeonfb: Flush Timeout !\n");
+}
+
+
+static inline void _radeon_fifo_wait(struct radeonfb_info *rinfo, int entries)
+{
+	int i;
+
+	for (i=0; i<2000000; i++) {
+		if ((INREG(RBBM_STATUS) & 0x7f) >= entries)
+			return;
+		udelay(1);
+	}
+	printf("radeonfb: FIFO Timeout !\n");
+}
+
+
+static inline void _radeon_engine_idle(struct radeonfb_info *rinfo)
+{
+	int i;
+
+	/* ensure FIFO is empty before waiting for idle */
+	_radeon_fifo_wait (rinfo, 64);
+
+	for (i=0; i<2000000; i++) {
+		if (((INREG(RBBM_STATUS) & GUI_ACTIVE)) == 0) {
+			radeon_engine_flush (rinfo);
+			return;
+		}
+		udelay(1);
+	}
+	printf("radeonfb: Idle Timeout !\n");
+}
+
+
+#define radeon_engine_idle()		_radeon_engine_idle(rinfo)
+#define radeon_fifo_wait(entries)	_radeon_fifo_wait(rinfo,entries)
+#define radeon_msleep(ms)		_radeon_msleep(rinfo,ms)
+
+/*
+ * This structure contains the various registers manipulated by this
+ * driver for setting or restoring a mode. It's mostly copied from
+ * XFree's RADEONSaveRec structure. A few chip settings might still be
+ * tweaked without beeing reflected or saved in these registers though
+ */
+struct radeon_regs {
+	/* Common registers */
+	u32		ovr_clr;
+	u32		ovr_wid_left_right;
+	u32		ovr_wid_top_bottom;
+	u32		ov0_scale_cntl;
+	u32		mpp_tb_config;
+	u32		mpp_gp_config;
+	u32		subpic_cntl;
+	u32		viph_control;
+	u32		i2c_cntl_1;
+	u32		gen_int_cntl;
+	u32		cap0_trig_cntl;
+	u32		cap1_trig_cntl;
+	u32		bus_cntl;
+	u32		surface_cntl;
+	u32		bios_5_scratch;
+
+	/* Other registers to save for VT switches or driver load/unload */
+	u32		dp_datatype;
+	u32		rbbm_soft_reset;
+	u32		clock_cntl_index;
+	u32		amcgpio_en_reg;
+	u32		amcgpio_mask;
+
+	/* Surface/tiling registers */
+	u32		surf_lower_bound[8];
+	u32		surf_upper_bound[8];
+	u32		surf_info[8];
+
+	/* CRTC registers */
+	u32		crtc_gen_cntl;
+	u32		crtc_ext_cntl;
+	u32		dac_cntl;
+	u32		crtc_h_total_disp;
+	u32		crtc_h_sync_strt_wid;
+	u32		crtc_v_total_disp;
+	u32		crtc_v_sync_strt_wid;
+	u32		crtc_offset;
+	u32		crtc_offset_cntl;
+	u32		crtc_pitch;
+	u32		disp_merge_cntl;
+	u32		grph_buffer_cntl;
+	u32		crtc_more_cntl;
+
+	/* CRTC2 registers */
+	u32		crtc2_gen_cntl;
+	u32		dac2_cntl;
+	u32		disp_output_cntl;
+	u32		disp_hw_debug;
+	u32		disp2_merge_cntl;
+	u32		grph2_buffer_cntl;
+	u32		crtc2_h_total_disp;
+	u32		crtc2_h_sync_strt_wid;
+	u32		crtc2_v_total_disp;
+	u32		crtc2_v_sync_strt_wid;
+	u32		crtc2_offset;
+	u32		crtc2_offset_cntl;
+	u32		crtc2_pitch;
+
+	/* Flat panel regs */
+	u32 		fp_crtc_h_total_disp;
+	u32		fp_crtc_v_total_disp;
+	u32		fp_gen_cntl;
+	u32		fp2_gen_cntl;
+	u32		fp_h_sync_strt_wid;
+	u32		fp2_h_sync_strt_wid;
+	u32		fp_horz_stretch;
+	u32		fp_panel_cntl;
+	u32		fp_v_sync_strt_wid;
+	u32		fp2_v_sync_strt_wid;
+	u32		fp_vert_stretch;
+	u32		lvds_gen_cntl;
+	u32		lvds_pll_cntl;
+	u32		tmds_crc;
+	u32		tmds_transmitter_cntl;
+
+	/* Computed values for PLL */
+	u32		dot_clock_freq;
+	int		feedback_div;
+	int		post_div;
+
+	/* PLL registers */
+	u32		ppll_div_3;
+	u32		ppll_ref_div;
+	u32		vclk_ecp_cntl;
+	u32		clk_cntl_index;
+
+	/* Computed values for PLL2 */
+	u32		dot_clock_freq_2;
+	int		feedback_div_2;
+	int		post_div_2;
+
+	/* PLL2 registers */
+	u32		p2pll_ref_div;
+	u32		p2pll_div_0;
+	u32		htotal_cntl2;
+
+	/* Palette */
+	int		palette_valid;
+};
+
+static inline u32 __INPLL(struct radeonfb_info *rinfo, u32 addr)
+{
+	u32 data;
+
+	OUTREG8(CLOCK_CNTL_INDEX, addr & 0x0000003f);
+	//radeon_pll_errata_after_index(rinfo);
+	data = INREG(CLOCK_CNTL_DATA);
+	//radeon_pll_errata_after_data(rinfo);
+	return data;
+}
+
+static inline void __OUTPLL(struct radeonfb_info *rinfo, unsigned int index,
+			    u32 val)
+{
+
+	OUTREG8(CLOCK_CNTL_INDEX, (index & 0x0000003f) | 0x00000080);
+	//radeon_pll_errata_after_index(rinfo);
+	OUTREG(CLOCK_CNTL_DATA, val);
+	//radeon_pll_errata_after_data(rinfo);
+}
+
+
+static inline void __OUTPLLP(struct radeonfb_info *rinfo, unsigned int index,
+			     u32 val, u32 mask)
+{
+	unsigned int tmp;
+
+	tmp  = __INPLL(rinfo, index);
+	tmp &= (mask);
+	tmp |= (val);
+	__OUTPLL(rinfo, index, tmp);
+}
+
+
+#define INPLL(addr)			__INPLL(rinfo, addr)
+#define OUTPLL(index, val)		__OUTPLL(rinfo, index, val)
+#define OUTPLLP(index, val, mask)	__OUTPLLP(rinfo, index, val, mask)
+
+
+
+#endif