WebSVN – Kolibri OS – Diff – /drivers/video/drm/radeon/rs400.c


/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */
#include 
#include 
#include 
#include "radeon.h"
#include "radeon_asic.h"
#include "rs400d.h"
 
/* This files gather functions specifics to : rs400,rs480 */
static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
 
void rs400_gart_adjust_size(struct radeon_device *rdev)
{
	/* Check gart size */
	switch (rdev->mc.gtt_size/(1024*1024)) {
	case 32:
	case 64:
	case 128:
	case 256:
	case 512:
	case 1024:
	case 2048:
		break;
	default:
		DRM_ERROR("Unable to use IGP GART size %uM\n",
			  (unsigned)(rdev->mc.gtt_size >> 20));
		DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n");
		DRM_ERROR("Forcing to 32M GART size\n");
		rdev->mc.gtt_size = 32 * 1024 * 1024;
		return;
	}
}
 
void rs400_gart_tlb_flush(struct radeon_device *rdev)
{
	uint32_t tmp;
	unsigned int timeout = rdev->usec_timeout;
 
	WREG32_MC(RS480_GART_CACHE_CNTRL, RS480_GART_CACHE_INVALIDATE);
	do {
		tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
		if ((tmp & RS480_GART_CACHE_INVALIDATE) == 0)
			break;
		DRM_UDELAY(1);
		timeout--;
	} while (timeout > 0);
	WREG32_MC(RS480_GART_CACHE_CNTRL, 0);
}
 
int rs400_gart_init(struct radeon_device *rdev)
{
	int r;
 
	if (rdev->gart.table.ram.ptr) {
		WARN(1, "RS400 GART already initialized\n");
		return 0;
	}
	/* Check gart size */
	switch(rdev->mc.gtt_size / (1024 * 1024)) {
	case 32:
	case 64:
	case 128:
	case 256:
	case 512:
	case 1024:
	case 2048:
		break;
	default:
		return -EINVAL;
	}
	/* Initialize common gart structure */
	r = radeon_gart_init(rdev);
	if (r)
		return r;
	if (rs400_debugfs_pcie_gart_info_init(rdev))
		DRM_ERROR("Failed to register debugfs file for RS400 GART !\n");
	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
	return radeon_gart_table_ram_alloc(rdev);
}
 
int rs400_gart_enable(struct radeon_device *rdev)
{
	uint32_t size_reg;
	uint32_t tmp;
 
	radeon_gart_restore(rdev);
	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
	tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
	WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
	/* Check gart size */
	switch(rdev->mc.gtt_size / (1024 * 1024)) {
	case 32:
		size_reg = RS480_VA_SIZE_32MB;
		break;
	case 64:
		size_reg = RS480_VA_SIZE_64MB;
		break;
	case 128:
		size_reg = RS480_VA_SIZE_128MB;
		break;
	case 256:
		size_reg = RS480_VA_SIZE_256MB;
		break;
	case 512:
		size_reg = RS480_VA_SIZE_512MB;
		break;
	case 1024:
		size_reg = RS480_VA_SIZE_1GB;
		break;
	case 2048:
		size_reg = RS480_VA_SIZE_2GB;
		break;
	default:
		return -EINVAL;
	}
	/* It should be fine to program it to max value */
	if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) {
		WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF);
		WREG32_MC(RS690_MCCFG_AGP_BASE_2, 0);
	} else {
		WREG32(RADEON_AGP_BASE, 0xFFFFFFFF);
		WREG32(RS480_AGP_BASE_2, 0);
	}
	tmp = REG_SET(RS690_MC_AGP_TOP, rdev->mc.gtt_end >> 16);
	tmp |= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_start >> 16);
	if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
		WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp);
		tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
		WREG32(RADEON_BUS_CNTL, tmp);
	} else {
		WREG32(RADEON_MC_AGP_LOCATION, tmp);
		tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
		WREG32(RADEON_BUS_CNTL, tmp);
	}
	/* Table should be in 32bits address space so ignore bits above. */
	tmp = (u32)rdev->gart.table_addr & 0xfffff000;
	tmp |= (upper_32_bits(rdev->gart.table_addr) & 0xff) << 4;
 
	WREG32_MC(RS480_GART_BASE, tmp);
	/* TODO: more tweaking here */
	WREG32_MC(RS480_GART_FEATURE_ID,
		  (RS480_TLB_ENABLE |
		   RS480_GTW_LAC_EN | RS480_1LEVEL_GART));
	/* Disable snooping */
	WREG32_MC(RS480_AGP_MODE_CNTL,
		  (1 << RS480_REQ_TYPE_SNOOP_SHIFT) | RS480_REQ_TYPE_SNOOP_DIS);
	/* Disable AGP mode */
	/* FIXME: according to doc we should set HIDE_MMCFG_BAR=0,
	 * AGPMODE30=0 & AGP30ENHANCED=0 in NB_CNTL */
	if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
		WREG32_MC(RS480_MC_MISC_CNTL,
			  (RS480_GART_INDEX_REG_EN | RS690_BLOCK_GFX_D3_EN));
	} else {
		WREG32_MC(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);
	}
	/* Enable gart */
	WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN | size_reg));
	rs400_gart_tlb_flush(rdev);
	rdev->gart.ready = true;
	return 0;
}
 
void rs400_gart_disable(struct radeon_device *rdev)
{
	uint32_t tmp;
 
	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
	tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
	WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
	WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0);
}
 
void rs400_gart_fini(struct radeon_device *rdev)
{
	radeon_gart_fini(rdev);
	rs400_gart_disable(rdev);
	radeon_gart_table_ram_free(rdev);
}
 
#define RS400_PTE_WRITEABLE (1 << 2)
#define RS400_PTE_READABLE  (1 << 3)
 
int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
{
	uint32_t entry;
 
	if (i < 0 || i > rdev->gart.num_gpu_pages) {
		return -EINVAL;
	}
 
	entry = (lower_32_bits(addr) & PAGE_MASK) |
		((upper_32_bits(addr) & 0xff) << 4) |
		RS400_PTE_WRITEABLE | RS400_PTE_READABLE;
	entry = cpu_to_le32(entry);
	rdev->gart.table.ram.ptr[i] = entry;
	return 0;
}
 
int rs400_mc_wait_for_idle(struct radeon_device *rdev)
{
	unsigned i;
	uint32_t tmp;
 
	for (i = 0; i < rdev->usec_timeout; i++) {
		/* read MC_STATUS */
		tmp = RREG32(RADEON_MC_STATUS);
		if (tmp & RADEON_MC_IDLE) {
			return 0;
		}
		DRM_UDELAY(1);
	}
	return -1;
}
 
void rs400_gpu_init(struct radeon_device *rdev)
{
	/* FIXME: is this correct ? */
	r420_pipes_init(rdev);
	if (rs400_mc_wait_for_idle(rdev)) {
		printk(KERN_WARNING "rs400: Failed to wait MC idle while "
		       "programming pipes. Bad things might happen. %08x\n", RREG32(RADEON_MC_STATUS));
	}
}
 
void rs400_mc_init(struct radeon_device *rdev)
{
	u64 base;
 
	rs400_gart_adjust_size(rdev);
	rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);
	/* DDR for all card after R300 & IGP */
	rdev->mc.vram_is_ddr = true;
	rdev->mc.vram_width = 128;
	r100_vram_init_sizes(rdev);
	base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
	radeon_vram_location(rdev, &rdev->mc, base);
	rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1;
	radeon_gtt_location(rdev, &rdev->mc);
	radeon_update_bandwidth_info(rdev);
}
 
uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg)
{
	uint32_t r;
 
	WREG32(RS480_NB_MC_INDEX, reg & 0xff);
	r = RREG32(RS480_NB_MC_DATA);
	WREG32(RS480_NB_MC_INDEX, 0xff);
	return r;
}
 
void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
	WREG32(RS480_NB_MC_INDEX, ((reg) & 0xff) | RS480_NB_MC_IND_WR_EN);
	WREG32(RS480_NB_MC_DATA, (v));
	WREG32(RS480_NB_MC_INDEX, 0xff);
}
 
#if defined(CONFIG_DEBUG_FS)
static int rs400_debugfs_gart_info(struct seq_file *m, void *data)
{
	struct drm_info_node *node = (struct drm_info_node *) m->private;
	struct drm_device *dev = node->minor->dev;
	struct radeon_device *rdev = dev->dev_private;
	uint32_t tmp;
 
	tmp = RREG32(RADEON_HOST_PATH_CNTL);
	seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
	tmp = RREG32(RADEON_BUS_CNTL);
	seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
	seq_printf(m, "AIC_CTRL_SCRATCH 0x%08x\n", tmp);
	if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) {
		tmp = RREG32_MC(RS690_MCCFG_AGP_BASE);
		seq_printf(m, "MCCFG_AGP_BASE 0x%08x\n", tmp);
		tmp = RREG32_MC(RS690_MCCFG_AGP_BASE_2);
		seq_printf(m, "MCCFG_AGP_BASE_2 0x%08x\n", tmp);
		tmp = RREG32_MC(RS690_MCCFG_AGP_LOCATION);
		seq_printf(m, "MCCFG_AGP_LOCATION 0x%08x\n", tmp);
		tmp = RREG32_MC(RS690_MCCFG_FB_LOCATION);
		seq_printf(m, "MCCFG_FB_LOCATION 0x%08x\n", tmp);
		tmp = RREG32(RS690_HDP_FB_LOCATION);
		seq_printf(m, "HDP_FB_LOCATION 0x%08x\n", tmp);
	} else {
		tmp = RREG32(RADEON_AGP_BASE);
		seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
		tmp = RREG32(RS480_AGP_BASE_2);
		seq_printf(m, "AGP_BASE_2 0x%08x\n", tmp);
		tmp = RREG32(RADEON_MC_AGP_LOCATION);
		seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
	}
	tmp = RREG32_MC(RS480_GART_BASE);
	seq_printf(m, "GART_BASE 0x%08x\n", tmp);
	tmp = RREG32_MC(RS480_GART_FEATURE_ID);
	seq_printf(m, "GART_FEATURE_ID 0x%08x\n", tmp);
	tmp = RREG32_MC(RS480_AGP_MODE_CNTL);
	seq_printf(m, "AGP_MODE_CONTROL 0x%08x\n", tmp);
	tmp = RREG32_MC(RS480_MC_MISC_CNTL);
	seq_printf(m, "MC_MISC_CNTL 0x%08x\n", tmp);
	tmp = RREG32_MC(0x5F);
	seq_printf(m, "MC_MISC_UMA_CNTL 0x%08x\n", tmp);
	tmp = RREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE);
	seq_printf(m, "AGP_ADDRESS_SPACE_SIZE 0x%08x\n", tmp);
	tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
	seq_printf(m, "GART_CACHE_CNTRL 0x%08x\n", tmp);
	tmp = RREG32_MC(0x3B);
	seq_printf(m, "MC_GART_ERROR_ADDRESS 0x%08x\n", tmp);
	tmp = RREG32_MC(0x3C);
	seq_printf(m, "MC_GART_ERROR_ADDRESS_HI 0x%08x\n", tmp);
	tmp = RREG32_MC(0x30);
	seq_printf(m, "GART_ERROR_0 0x%08x\n", tmp);
	tmp = RREG32_MC(0x31);
	seq_printf(m, "GART_ERROR_1 0x%08x\n", tmp);
	tmp = RREG32_MC(0x32);
	seq_printf(m, "GART_ERROR_2 0x%08x\n", tmp);
	tmp = RREG32_MC(0x33);
	seq_printf(m, "GART_ERROR_3 0x%08x\n", tmp);
	tmp = RREG32_MC(0x34);
	seq_printf(m, "GART_ERROR_4 0x%08x\n", tmp);
	tmp = RREG32_MC(0x35);
	seq_printf(m, "GART_ERROR_5 0x%08x\n", tmp);
	tmp = RREG32_MC(0x36);
	seq_printf(m, "GART_ERROR_6 0x%08x\n", tmp);
	tmp = RREG32_MC(0x37);
	seq_printf(m, "GART_ERROR_7 0x%08x\n", tmp);
	return 0;
}
 
static struct drm_info_list rs400_gart_info_list[] = {
	{"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL},
};
#endif
 
static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
	return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1);
#else
	return 0;
#endif
}
 
void rs400_mc_program(struct radeon_device *rdev)
{
	struct r100_mc_save save;
 
	/* Stops all mc clients */
	r100_mc_stop(rdev, &save);
 
	/* Wait for mc idle */
	if (rs400_mc_wait_for_idle(rdev))
		dev_warn(rdev->dev, "rs400: Wait MC idle timeout before updating MC.\n");
	WREG32(R_000148_MC_FB_LOCATION,
		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
 
	r100_mc_resume(rdev, &save);
}
 
static int rs400_startup(struct radeon_device *rdev)
{
	int r;
 
	r100_set_common_regs(rdev);
 
	rs400_mc_program(rdev);
	/* Resume clock */
	r300_clock_startup(rdev);
	/* Initialize GPU configuration (# pipes, ...) */
	rs400_gpu_init(rdev);
	r100_enable_bm(rdev);
	/* Initialize GART (initialize after TTM so we can allocate
	 * memory through TTM but finalize after TTM) */
	r = rs400_gart_enable(rdev);
	if (r)
		return r;
	/* Enable IRQ */
//	r100_irq_set(rdev);
	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
	/* 1M ring buffer */
   r = r100_cp_init(rdev, 1024 * 1024);
   if (r) {
		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
       return r;
   }
//	r = r100_ib_init(rdev);
//	if (r) {
//		dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
//		return r;
//	}
	return 0;
}
 
 
 
 
int rs400_init(struct radeon_device *rdev)
{
	int r;
 
	/* Disable VGA */
	r100_vga_render_disable(rdev);
	/* Initialize scratch registers */
	radeon_scratch_init(rdev);
	/* Initialize surface registers */
	radeon_surface_init(rdev);
	/* TODO: disable VGA need to use VGA request */
	/* restore some register to sane defaults */
	r100_restore_sanity(rdev);
	/* BIOS*/
	if (!radeon_get_bios(rdev)) {
		if (ASIC_IS_AVIVO(rdev))
			return -EINVAL;
	}
	if (rdev->is_atom_bios) {
		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
		return -EINVAL;
	} else {
		r = radeon_combios_init(rdev);
		if (r)
			return r;
	}
	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
	if (radeon_asic_reset(rdev)) {
		dev_warn(rdev->dev,
			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
			RREG32(R_000E40_RBBM_STATUS),
			RREG32(R_0007C0_CP_STAT));
	}
	/* check if cards are posted or not */
	if (radeon_boot_test_post_card(rdev) == false)
		return -EINVAL;
 
	/* Initialize clocks */
	radeon_get_clock_info(rdev->ddev);
	/* initialize memory controller */
	rs400_mc_init(rdev);
	/* Fence driver */
//	r = radeon_fence_driver_init(rdev);
//	if (r)
//		return r;
//	r = radeon_irq_kms_init(rdev);
//	if (r)
//		return r;
	/* Memory manager */
	r = radeon_bo_init(rdev);
	if (r)
		return r;
	r = rs400_gart_init(rdev);
	if (r)
		return r;
	r300_set_reg_safe(rdev);
	rdev->accel_working = true;
	r = rs400_startup(rdev);
	if (r) {
		/* Somethings want wront with the accel init stop accel */
		dev_err(rdev->dev, "Disabling GPU acceleration\n");
//		r100_cp_fini(rdev);
//		r100_wb_fini(rdev);
//		r100_ib_fini(rdev);
		rs400_gart_fini(rdev);
//		radeon_irq_kms_fini(rdev);
		rdev->accel_working = false;
	}
	return 0;
}

Rev 1963	Rev 1986
1	/*	1	/*
2	* Copyright 2008 Advanced Micro Devices, Inc.	2	* Copyright 2008 Advanced Micro Devices, Inc.
3	* Copyright 2008 Red Hat Inc.	3	* Copyright 2008 Red Hat Inc.
4	* Copyright 2009 Jerome Glisse.	4	* Copyright 2009 Jerome Glisse.
5	*	5	*
6	* Permission is hereby granted, free of charge, to any person obtaining a	6	* Permission is hereby granted, free of charge, to any person obtaining a
7	* copy of this software and associated documentation files (the "Software"),	7	* copy of this software and associated documentation files (the "Software"),
8	* to deal in the Software without restriction, including without limitation	8	* to deal in the Software without restriction, including without limitation
9	* the rights to use, copy, modify, merge, publish, distribute, sublicense,	9	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
10	* and/or sell copies of the Software, and to permit persons to whom the	10	* and/or sell copies of the Software, and to permit persons to whom the
11	* Software is furnished to do so, subject to the following conditions:	11	* Software is furnished to do so, subject to the following conditions:
12	*	12	*
13	* The above copyright notice and this permission notice shall be included in	13	* The above copyright notice and this permission notice shall be included in
14	* all copies or substantial portions of the Software.	14	* all copies or substantial portions of the Software.
15	*	15	*
16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR	19	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,	20	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR	21	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22	* OTHER DEALINGS IN THE SOFTWARE.	22	* OTHER DEALINGS IN THE SOFTWARE.
23	*	23	*
24	* Authors: Dave Airlie	24	* Authors: Dave Airlie
25	* Alex Deucher	25	* Alex Deucher
26	* Jerome Glisse	26	* Jerome Glisse
27	*/	27	*/
28	#include	28	#include
-		29	#include
29	#include	30	#include
30	#include "radeon.h"	31	#include "radeon.h"
31	#include "radeon_asic.h"	32	#include "radeon_asic.h"
32	#include "rs400d.h"	33	#include "rs400d.h"
33		34
34	/* This files gather functions specifics to : rs400,rs480 */	35	/* This files gather functions specifics to : rs400,rs480 */
35	static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);	36	static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
36		37
37	void rs400_gart_adjust_size(struct radeon_device *rdev)	38	void rs400_gart_adjust_size(struct radeon_device *rdev)
38	{	39	{
39	/* Check gart size */	40	/* Check gart size */
40	switch (rdev->mc.gtt_size/(1024*1024)) {	41	switch (rdev->mc.gtt_size/(1024*1024)) {
41	case 32:	42	case 32:
42	case 64:	43	case 64:
43	case 128:	44	case 128:
44	case 256:	45	case 256:
45	case 512:	46	case 512:
46	case 1024:	47	case 1024:
47	case 2048:	48	case 2048:
48	break;	49	break;
49	default:	50	default:
50	DRM_ERROR("Unable to use IGP GART size %uM\n",	51	DRM_ERROR("Unable to use IGP GART size %uM\n",
51	(unsigned)(rdev->mc.gtt_size >> 20));	52	(unsigned)(rdev->mc.gtt_size >> 20));
52	DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n");	53	DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n");
53	DRM_ERROR("Forcing to 32M GART size\n");	54	DRM_ERROR("Forcing to 32M GART size\n");
54	rdev->mc.gtt_size = 32 * 1024 * 1024;	55	rdev->mc.gtt_size = 32 * 1024 * 1024;
55	return;	56	return;
56	}	57	}
57	}	58	}
58		59
59	void rs400_gart_tlb_flush(struct radeon_device *rdev)	60	void rs400_gart_tlb_flush(struct radeon_device *rdev)
60	{	61	{
61	uint32_t tmp;	62	uint32_t tmp;
62	unsigned int timeout = rdev->usec_timeout;	63	unsigned int timeout = rdev->usec_timeout;
63		64
64	WREG32_MC(RS480_GART_CACHE_CNTRL, RS480_GART_CACHE_INVALIDATE);	65	WREG32_MC(RS480_GART_CACHE_CNTRL, RS480_GART_CACHE_INVALIDATE);
65	do {	66	do {
66	tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);	67	tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
67	if ((tmp & RS480_GART_CACHE_INVALIDATE) == 0)	68	if ((tmp & RS480_GART_CACHE_INVALIDATE) == 0)
68	break;	69	break;
69	DRM_UDELAY(1);	70	DRM_UDELAY(1);
70	timeout--;	71	timeout--;
71	} while (timeout > 0);	72	} while (timeout > 0);
72	WREG32_MC(RS480_GART_CACHE_CNTRL, 0);	73	WREG32_MC(RS480_GART_CACHE_CNTRL, 0);
73	}	74	}
74		75
75	int rs400_gart_init(struct radeon_device *rdev)	76	int rs400_gart_init(struct radeon_device *rdev)
76	{	77	{
77	int r;	78	int r;
78		79
79	if (rdev->gart.table.ram.ptr) {	80	if (rdev->gart.table.ram.ptr) {
80	WARN(1, "RS400 GART already initialized\n");	81	WARN(1, "RS400 GART already initialized\n");
81	return 0;	82	return 0;
82	}	83	}
83	/* Check gart size */	84	/* Check gart size */
84	switch(rdev->mc.gtt_size / (1024 * 1024)) {	85	switch(rdev->mc.gtt_size / (1024 * 1024)) {
85	case 32:	86	case 32:
86	case 64:	87	case 64:
87	case 128:	88	case 128:
88	case 256:	89	case 256:
89	case 512:	90	case 512:
90	case 1024:	91	case 1024:
91	case 2048:	92	case 2048:
92	break;	93	break;
93	default:	94	default:
94	return -EINVAL;	95	return -EINVAL;
95	}	96	}
96	/* Initialize common gart structure */	97	/* Initialize common gart structure */
97	r = radeon_gart_init(rdev);	98	r = radeon_gart_init(rdev);
98	if (r)	99	if (r)
99	return r;	100	return r;
100	if (rs400_debugfs_pcie_gart_info_init(rdev))	101	if (rs400_debugfs_pcie_gart_info_init(rdev))
101	DRM_ERROR("Failed to register debugfs file for RS400 GART !\n");	102	DRM_ERROR("Failed to register debugfs file for RS400 GART !\n");
102	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;	103	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
103	return radeon_gart_table_ram_alloc(rdev);	104	return radeon_gart_table_ram_alloc(rdev);
104	}	105	}
105		106
106	int rs400_gart_enable(struct radeon_device *rdev)	107	int rs400_gart_enable(struct radeon_device *rdev)
107	{	108	{
108	uint32_t size_reg;	109	uint32_t size_reg;
109	uint32_t tmp;	110	uint32_t tmp;
110		111
111	radeon_gart_restore(rdev);	112	radeon_gart_restore(rdev);
112	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);	113	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
113	tmp \|= RS690_DIS_OUT_OF_PCI_GART_ACCESS;	114	tmp \|= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
114	WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);	115	WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
115	/* Check gart size */	116	/* Check gart size */
116	switch(rdev->mc.gtt_size / (1024 * 1024)) {	117	switch(rdev->mc.gtt_size / (1024 * 1024)) {
117	case 32:	118	case 32:
118	size_reg = RS480_VA_SIZE_32MB;	119	size_reg = RS480_VA_SIZE_32MB;
119	break;	120	break;
120	case 64:	121	case 64:
121	size_reg = RS480_VA_SIZE_64MB;	122	size_reg = RS480_VA_SIZE_64MB;
122	break;	123	break;
123	case 128:	124	case 128:
124	size_reg = RS480_VA_SIZE_128MB;	125	size_reg = RS480_VA_SIZE_128MB;
125	break;	126	break;
126	case 256:	127	case 256:
127	size_reg = RS480_VA_SIZE_256MB;	128	size_reg = RS480_VA_SIZE_256MB;
128	break;	129	break;
129	case 512:	130	case 512:
130	size_reg = RS480_VA_SIZE_512MB;	131	size_reg = RS480_VA_SIZE_512MB;
131	break;	132	break;
132	case 1024:	133	case 1024:
133	size_reg = RS480_VA_SIZE_1GB;	134	size_reg = RS480_VA_SIZE_1GB;
134	break;	135	break;
135	case 2048:	136	case 2048:
136	size_reg = RS480_VA_SIZE_2GB;	137	size_reg = RS480_VA_SIZE_2GB;
137	break;	138	break;
138	default:	139	default:
139	return -EINVAL;	140	return -EINVAL;
140	}	141	}
141	/* It should be fine to program it to max value */	142	/* It should be fine to program it to max value */
142	if (rdev->family == CHIP_RS690 \|\| (rdev->family == CHIP_RS740)) {	143	if (rdev->family == CHIP_RS690 \|\| (rdev->family == CHIP_RS740)) {
143	WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF);	144	WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF);
144	WREG32_MC(RS690_MCCFG_AGP_BASE_2, 0);	145	WREG32_MC(RS690_MCCFG_AGP_BASE_2, 0);
145	} else {	146	} else {
146	WREG32(RADEON_AGP_BASE, 0xFFFFFFFF);	147	WREG32(RADEON_AGP_BASE, 0xFFFFFFFF);
147	WREG32(RS480_AGP_BASE_2, 0);	148	WREG32(RS480_AGP_BASE_2, 0);
148	}	149	}
149	tmp = REG_SET(RS690_MC_AGP_TOP, rdev->mc.gtt_end >> 16);	150	tmp = REG_SET(RS690_MC_AGP_TOP, rdev->mc.gtt_end >> 16);
150	tmp \|= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_start >> 16);	151	tmp \|= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_start >> 16);
151	if ((rdev->family == CHIP_RS690) \|\| (rdev->family == CHIP_RS740)) {	152	if ((rdev->family == CHIP_RS690) \|\| (rdev->family == CHIP_RS740)) {
152	WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp);	153	WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp);
153	tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;	154	tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
154	WREG32(RADEON_BUS_CNTL, tmp);	155	WREG32(RADEON_BUS_CNTL, tmp);
155	} else {	156	} else {
156	WREG32(RADEON_MC_AGP_LOCATION, tmp);	157	WREG32(RADEON_MC_AGP_LOCATION, tmp);
157	tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;	158	tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
158	WREG32(RADEON_BUS_CNTL, tmp);	159	WREG32(RADEON_BUS_CNTL, tmp);
159	}	160	}
160	/* Table should be in 32bits address space so ignore bits above. */	161	/* Table should be in 32bits address space so ignore bits above. */
161	tmp = (u32)rdev->gart.table_addr & 0xfffff000;	162	tmp = (u32)rdev->gart.table_addr & 0xfffff000;
162	tmp \|= (upper_32_bits(rdev->gart.table_addr) & 0xff) << 4;	163	tmp \|= (upper_32_bits(rdev->gart.table_addr) & 0xff) << 4;
163		164
164	WREG32_MC(RS480_GART_BASE, tmp);	165	WREG32_MC(RS480_GART_BASE, tmp);
165	/* TODO: more tweaking here */	166	/* TODO: more tweaking here */
166	WREG32_MC(RS480_GART_FEATURE_ID,	167	WREG32_MC(RS480_GART_FEATURE_ID,
167	(RS480_TLB_ENABLE \|	168	(RS480_TLB_ENABLE \|
168	RS480_GTW_LAC_EN \| RS480_1LEVEL_GART));	169	RS480_GTW_LAC_EN \| RS480_1LEVEL_GART));
169	/* Disable snooping */	170	/* Disable snooping */
170	WREG32_MC(RS480_AGP_MODE_CNTL,	171	WREG32_MC(RS480_AGP_MODE_CNTL,
171	(1 << RS480_REQ_TYPE_SNOOP_SHIFT) \| RS480_REQ_TYPE_SNOOP_DIS);	172	(1 << RS480_REQ_TYPE_SNOOP_SHIFT) \| RS480_REQ_TYPE_SNOOP_DIS);
172	/* Disable AGP mode */	173	/* Disable AGP mode */
173	/* FIXME: according to doc we should set HIDE_MMCFG_BAR=0,	174	/* FIXME: according to doc we should set HIDE_MMCFG_BAR=0,
174	* AGPMODE30=0 & AGP30ENHANCED=0 in NB_CNTL */	175	* AGPMODE30=0 & AGP30ENHANCED=0 in NB_CNTL */
175	if ((rdev->family == CHIP_RS690) \|\| (rdev->family == CHIP_RS740)) {	176	if ((rdev->family == CHIP_RS690) \|\| (rdev->family == CHIP_RS740)) {
176	WREG32_MC(RS480_MC_MISC_CNTL,	177	WREG32_MC(RS480_MC_MISC_CNTL,
177	(RS480_GART_INDEX_REG_EN \| RS690_BLOCK_GFX_D3_EN));	178	(RS480_GART_INDEX_REG_EN \| RS690_BLOCK_GFX_D3_EN));
178	} else {	179	} else {
179	WREG32_MC(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);	180	WREG32_MC(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);
180	}	181	}
181	/* Enable gart */	182	/* Enable gart */
182	WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN \| size_reg));	183	WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN \| size_reg));
183	rs400_gart_tlb_flush(rdev);	184	rs400_gart_tlb_flush(rdev);
184	rdev->gart.ready = true;	185	rdev->gart.ready = true;
185	return 0;	186	return 0;
186	}	187	}
187		188
188	void rs400_gart_disable(struct radeon_device *rdev)	189	void rs400_gart_disable(struct radeon_device *rdev)
189	{	190	{
190	uint32_t tmp;	191	uint32_t tmp;
191		192
192	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);	193	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
193	tmp \|= RS690_DIS_OUT_OF_PCI_GART_ACCESS;	194	tmp \|= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
194	WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);	195	WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
195	WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0);	196	WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0);
196	}	197	}
197		198
198	void rs400_gart_fini(struct radeon_device *rdev)	199	void rs400_gart_fini(struct radeon_device *rdev)
199	{	200	{
200	radeon_gart_fini(rdev);	201	radeon_gart_fini(rdev);
201	rs400_gart_disable(rdev);	202	rs400_gart_disable(rdev);
202	radeon_gart_table_ram_free(rdev);	203	radeon_gart_table_ram_free(rdev);
203	}	204	}
204		205
205	#define RS400_PTE_WRITEABLE (1 << 2)	206	#define RS400_PTE_WRITEABLE (1 << 2)
206	#define RS400_PTE_READABLE (1 << 3)	207	#define RS400_PTE_READABLE (1 << 3)
207		208
208	int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)	209	int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
209	{	210	{
210	uint32_t entry;	211	uint32_t entry;
211		212
212	if (i < 0 \|\| i > rdev->gart.num_gpu_pages) {	213	if (i < 0 \|\| i > rdev->gart.num_gpu_pages) {
213	return -EINVAL;	214	return -EINVAL;
214	}	215	}
215		216
216	entry = (lower_32_bits(addr) & PAGE_MASK) \|	217	entry = (lower_32_bits(addr) & PAGE_MASK) \|
217	((upper_32_bits(addr) & 0xff) << 4) \|	218	((upper_32_bits(addr) & 0xff) << 4) \|
218	RS400_PTE_WRITEABLE \| RS400_PTE_READABLE;	219	RS400_PTE_WRITEABLE \| RS400_PTE_READABLE;
219	entry = cpu_to_le32(entry);	220	entry = cpu_to_le32(entry);
220	rdev->gart.table.ram.ptr[i] = entry;	221	rdev->gart.table.ram.ptr[i] = entry;
221	return 0;	222	return 0;
222	}	223	}
223		224
224	int rs400_mc_wait_for_idle(struct radeon_device *rdev)	225	int rs400_mc_wait_for_idle(struct radeon_device *rdev)
225	{	226	{
226	unsigned i;	227	unsigned i;
227	uint32_t tmp;	228	uint32_t tmp;
228		229
229	for (i = 0; i < rdev->usec_timeout; i++) {	230	for (i = 0; i < rdev->usec_timeout; i++) {
230	/* read MC_STATUS */	231	/* read MC_STATUS */
231	tmp = RREG32(RADEON_MC_STATUS);	232	tmp = RREG32(RADEON_MC_STATUS);
232	if (tmp & RADEON_MC_IDLE) {	233	if (tmp & RADEON_MC_IDLE) {
233	return 0;	234	return 0;
234	}	235	}
235	DRM_UDELAY(1);	236	DRM_UDELAY(1);
236	}	237	}
237	return -1;	238	return -1;
238	}	239	}
239		240
240	void rs400_gpu_init(struct radeon_device *rdev)	241	void rs400_gpu_init(struct radeon_device *rdev)
241	{	242	{
242	/* FIXME: is this correct ? */	243	/* FIXME: is this correct ? */
243	r420_pipes_init(rdev);	244	r420_pipes_init(rdev);
244	if (rs400_mc_wait_for_idle(rdev)) {	245	if (rs400_mc_wait_for_idle(rdev)) {
245	printk(KERN_WARNING "rs400: Failed to wait MC idle while "	246	printk(KERN_WARNING "rs400: Failed to wait MC idle while "
246	"programming pipes. Bad things might happen. %08x\n", RREG32(RADEON_MC_STATUS));	247	"programming pipes. Bad things might happen. %08x\n", RREG32(RADEON_MC_STATUS));
247	}	248	}
248	}	249	}
249		250
250	void rs400_mc_init(struct radeon_device *rdev)	251	void rs400_mc_init(struct radeon_device *rdev)
251	{	252	{
252	u64 base;	253	u64 base;
253		254
254	rs400_gart_adjust_size(rdev);	255	rs400_gart_adjust_size(rdev);
255	rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);	256	rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);
256	/* DDR for all card after R300 & IGP */	257	/* DDR for all card after R300 & IGP */
257	rdev->mc.vram_is_ddr = true;	258	rdev->mc.vram_is_ddr = true;
258	rdev->mc.vram_width = 128;	259	rdev->mc.vram_width = 128;
259	r100_vram_init_sizes(rdev);	260	r100_vram_init_sizes(rdev);
260	base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;	261	base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
261	radeon_vram_location(rdev, &rdev->mc, base);	262	radeon_vram_location(rdev, &rdev->mc, base);
262	rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1;	263	rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1;
263	radeon_gtt_location(rdev, &rdev->mc);	264	radeon_gtt_location(rdev, &rdev->mc);
264	radeon_update_bandwidth_info(rdev);	265	radeon_update_bandwidth_info(rdev);
265	}	266	}
266		267
267	uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg)	268	uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg)
268	{	269	{
269	uint32_t r;	270	uint32_t r;
270		271
271	WREG32(RS480_NB_MC_INDEX, reg & 0xff);	272	WREG32(RS480_NB_MC_INDEX, reg & 0xff);
272	r = RREG32(RS480_NB_MC_DATA);	273	r = RREG32(RS480_NB_MC_DATA);
273	WREG32(RS480_NB_MC_INDEX, 0xff);	274	WREG32(RS480_NB_MC_INDEX, 0xff);
274	return r;	275	return r;
275	}	276	}
276		277
277	void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)	278	void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
278	{	279	{
279	WREG32(RS480_NB_MC_INDEX, ((reg) & 0xff) \| RS480_NB_MC_IND_WR_EN);	280	WREG32(RS480_NB_MC_INDEX, ((reg) & 0xff) \| RS480_NB_MC_IND_WR_EN);
280	WREG32(RS480_NB_MC_DATA, (v));	281	WREG32(RS480_NB_MC_DATA, (v));
281	WREG32(RS480_NB_MC_INDEX, 0xff);	282	WREG32(RS480_NB_MC_INDEX, 0xff);
282	}	283	}
283		284
284	#if defined(CONFIG_DEBUG_FS)	285	#if defined(CONFIG_DEBUG_FS)
285	static int rs400_debugfs_gart_info(struct seq_file m, void data)	286	static int rs400_debugfs_gart_info(struct seq_file m, void data)
286	{	287	{
287	struct drm_info_node node = (struct drm_info_node ) m->private;	288	struct drm_info_node node = (struct drm_info_node ) m->private;
288	struct drm_device *dev = node->minor->dev;	289	struct drm_device *dev = node->minor->dev;
289	struct radeon_device *rdev = dev->dev_private;	290	struct radeon_device *rdev = dev->dev_private;
290	uint32_t tmp;	291	uint32_t tmp;
291		292
292	tmp = RREG32(RADEON_HOST_PATH_CNTL);	293	tmp = RREG32(RADEON_HOST_PATH_CNTL);
293	seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);	294	seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
294	tmp = RREG32(RADEON_BUS_CNTL);	295	tmp = RREG32(RADEON_BUS_CNTL);
295	seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);	296	seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
296	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);	297	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
297	seq_printf(m, "AIC_CTRL_SCRATCH 0x%08x\n", tmp);	298	seq_printf(m, "AIC_CTRL_SCRATCH 0x%08x\n", tmp);
298	if (rdev->family == CHIP_RS690 \|\| (rdev->family == CHIP_RS740)) {	299	if (rdev->family == CHIP_RS690 \|\| (rdev->family == CHIP_RS740)) {
299	tmp = RREG32_MC(RS690_MCCFG_AGP_BASE);	300	tmp = RREG32_MC(RS690_MCCFG_AGP_BASE);
300	seq_printf(m, "MCCFG_AGP_BASE 0x%08x\n", tmp);	301	seq_printf(m, "MCCFG_AGP_BASE 0x%08x\n", tmp);
301	tmp = RREG32_MC(RS690_MCCFG_AGP_BASE_2);	302	tmp = RREG32_MC(RS690_MCCFG_AGP_BASE_2);
302	seq_printf(m, "MCCFG_AGP_BASE_2 0x%08x\n", tmp);	303	seq_printf(m, "MCCFG_AGP_BASE_2 0x%08x\n", tmp);
303	tmp = RREG32_MC(RS690_MCCFG_AGP_LOCATION);	304	tmp = RREG32_MC(RS690_MCCFG_AGP_LOCATION);
304	seq_printf(m, "MCCFG_AGP_LOCATION 0x%08x\n", tmp);	305	seq_printf(m, "MCCFG_AGP_LOCATION 0x%08x\n", tmp);
305	tmp = RREG32_MC(RS690_MCCFG_FB_LOCATION);	306	tmp = RREG32_MC(RS690_MCCFG_FB_LOCATION);
306	seq_printf(m, "MCCFG_FB_LOCATION 0x%08x\n", tmp);	307	seq_printf(m, "MCCFG_FB_LOCATION 0x%08x\n", tmp);
307	tmp = RREG32(RS690_HDP_FB_LOCATION);	308	tmp = RREG32(RS690_HDP_FB_LOCATION);
308	seq_printf(m, "HDP_FB_LOCATION 0x%08x\n", tmp);	309	seq_printf(m, "HDP_FB_LOCATION 0x%08x\n", tmp);
309	} else {	310	} else {
310	tmp = RREG32(RADEON_AGP_BASE);	311	tmp = RREG32(RADEON_AGP_BASE);
311	seq_printf(m, "AGP_BASE 0x%08x\n", tmp);	312	seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
312	tmp = RREG32(RS480_AGP_BASE_2);	313	tmp = RREG32(RS480_AGP_BASE_2);
313	seq_printf(m, "AGP_BASE_2 0x%08x\n", tmp);	314	seq_printf(m, "AGP_BASE_2 0x%08x\n", tmp);
314	tmp = RREG32(RADEON_MC_AGP_LOCATION);	315	tmp = RREG32(RADEON_MC_AGP_LOCATION);
315	seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);	316	seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
316	}	317	}
317	tmp = RREG32_MC(RS480_GART_BASE);	318	tmp = RREG32_MC(RS480_GART_BASE);
318	seq_printf(m, "GART_BASE 0x%08x\n", tmp);	319	seq_printf(m, "GART_BASE 0x%08x\n", tmp);
319	tmp = RREG32_MC(RS480_GART_FEATURE_ID);	320	tmp = RREG32_MC(RS480_GART_FEATURE_ID);
320	seq_printf(m, "GART_FEATURE_ID 0x%08x\n", tmp);	321	seq_printf(m, "GART_FEATURE_ID 0x%08x\n", tmp);
321	tmp = RREG32_MC(RS480_AGP_MODE_CNTL);	322	tmp = RREG32_MC(RS480_AGP_MODE_CNTL);
322	seq_printf(m, "AGP_MODE_CONTROL 0x%08x\n", tmp);	323	seq_printf(m, "AGP_MODE_CONTROL 0x%08x\n", tmp);
323	tmp = RREG32_MC(RS480_MC_MISC_CNTL);	324	tmp = RREG32_MC(RS480_MC_MISC_CNTL);
324	seq_printf(m, "MC_MISC_CNTL 0x%08x\n", tmp);	325	seq_printf(m, "MC_MISC_CNTL 0x%08x\n", tmp);
325	tmp = RREG32_MC(0x5F);	326	tmp = RREG32_MC(0x5F);
326	seq_printf(m, "MC_MISC_UMA_CNTL 0x%08x\n", tmp);	327	seq_printf(m, "MC_MISC_UMA_CNTL 0x%08x\n", tmp);
327	tmp = RREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE);	328	tmp = RREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE);
328	seq_printf(m, "AGP_ADDRESS_SPACE_SIZE 0x%08x\n", tmp);	329	seq_printf(m, "AGP_ADDRESS_SPACE_SIZE 0x%08x\n", tmp);
329	tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);	330	tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
330	seq_printf(m, "GART_CACHE_CNTRL 0x%08x\n", tmp);	331	seq_printf(m, "GART_CACHE_CNTRL 0x%08x\n", tmp);
331	tmp = RREG32_MC(0x3B);	332	tmp = RREG32_MC(0x3B);
332	seq_printf(m, "MC_GART_ERROR_ADDRESS 0x%08x\n", tmp);	333	seq_printf(m, "MC_GART_ERROR_ADDRESS 0x%08x\n", tmp);
333	tmp = RREG32_MC(0x3C);	334	tmp = RREG32_MC(0x3C);
334	seq_printf(m, "MC_GART_ERROR_ADDRESS_HI 0x%08x\n", tmp);	335	seq_printf(m, "MC_GART_ERROR_ADDRESS_HI 0x%08x\n", tmp);
335	tmp = RREG32_MC(0x30);	336	tmp = RREG32_MC(0x30);
336	seq_printf(m, "GART_ERROR_0 0x%08x\n", tmp);	337	seq_printf(m, "GART_ERROR_0 0x%08x\n", tmp);
337	tmp = RREG32_MC(0x31);	338	tmp = RREG32_MC(0x31);
338	seq_printf(m, "GART_ERROR_1 0x%08x\n", tmp);	339	seq_printf(m, "GART_ERROR_1 0x%08x\n", tmp);
339	tmp = RREG32_MC(0x32);	340	tmp = RREG32_MC(0x32);
340	seq_printf(m, "GART_ERROR_2 0x%08x\n", tmp);	341	seq_printf(m, "GART_ERROR_2 0x%08x\n", tmp);
341	tmp = RREG32_MC(0x33);	342	tmp = RREG32_MC(0x33);
342	seq_printf(m, "GART_ERROR_3 0x%08x\n", tmp);	343	seq_printf(m, "GART_ERROR_3 0x%08x\n", tmp);
343	tmp = RREG32_MC(0x34);	344	tmp = RREG32_MC(0x34);
344	seq_printf(m, "GART_ERROR_4 0x%08x\n", tmp);	345	seq_printf(m, "GART_ERROR_4 0x%08x\n", tmp);
345	tmp = RREG32_MC(0x35);	346	tmp = RREG32_MC(0x35);
346	seq_printf(m, "GART_ERROR_5 0x%08x\n", tmp);	347	seq_printf(m, "GART_ERROR_5 0x%08x\n", tmp);
347	tmp = RREG32_MC(0x36);	348	tmp = RREG32_MC(0x36);
348	seq_printf(m, "GART_ERROR_6 0x%08x\n", tmp);	349	seq_printf(m, "GART_ERROR_6 0x%08x\n", tmp);
349	tmp = RREG32_MC(0x37);	350	tmp = RREG32_MC(0x37);
350	seq_printf(m, "GART_ERROR_7 0x%08x\n", tmp);	351	seq_printf(m, "GART_ERROR_7 0x%08x\n", tmp);
351	return 0;	352	return 0;
352	}	353	}
353		354
354	static struct drm_info_list rs400_gart_info_list[] = {	355	static struct drm_info_list rs400_gart_info_list[] = {
355	{"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL},	356	{"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL},
356	};	357	};
357	#endif	358	#endif
358		359
359	static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)	360	static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
360	{	361	{
361	#if defined(CONFIG_DEBUG_FS)	362	#if defined(CONFIG_DEBUG_FS)
362	return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1);	363	return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1);
363	#else	364	#else
364	return 0;	365	return 0;
365	#endif	366	#endif
366	}	367	}
367		368
368	void rs400_mc_program(struct radeon_device *rdev)	369	void rs400_mc_program(struct radeon_device *rdev)
369	{	370	{
370	struct r100_mc_save save;	371	struct r100_mc_save save;
371		372
372	/* Stops all mc clients */	373	/* Stops all mc clients */
373	r100_mc_stop(rdev, &save);	374	r100_mc_stop(rdev, &save);
374		375
375	/* Wait for mc idle */	376	/* Wait for mc idle */
376	if (rs400_mc_wait_for_idle(rdev))	377	if (rs400_mc_wait_for_idle(rdev))
377	dev_warn(rdev->dev, "rs400: Wait MC idle timeout before updating MC.\n");	378	dev_warn(rdev->dev, "rs400: Wait MC idle timeout before updating MC.\n");
378	WREG32(R_000148_MC_FB_LOCATION,	379	WREG32(R_000148_MC_FB_LOCATION,
379	S_000148_MC_FB_START(rdev->mc.vram_start >> 16) \|	380	S_000148_MC_FB_START(rdev->mc.vram_start >> 16) \|
380	S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));	381	S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
381		382
382	r100_mc_resume(rdev, &save);	383	r100_mc_resume(rdev, &save);
383	}	384	}
384		385
385	static int rs400_startup(struct radeon_device *rdev)	386	static int rs400_startup(struct radeon_device *rdev)
386	{	387	{
387	int r;	388	int r;
388		389
389	r100_set_common_regs(rdev);	390	r100_set_common_regs(rdev);
390		391
391	rs400_mc_program(rdev);	392	rs400_mc_program(rdev);
392	/* Resume clock */	393	/* Resume clock */
393	r300_clock_startup(rdev);	394	r300_clock_startup(rdev);
394	/* Initialize GPU configuration (# pipes, ...) */	395	/* Initialize GPU configuration (# pipes, ...) */
395	rs400_gpu_init(rdev);	396	rs400_gpu_init(rdev);
396	r100_enable_bm(rdev);	397	r100_enable_bm(rdev);
397	/* Initialize GART (initialize after TTM so we can allocate	398	/* Initialize GART (initialize after TTM so we can allocate
398	* memory through TTM but finalize after TTM) */	399	* memory through TTM but finalize after TTM) */
399	r = rs400_gart_enable(rdev);	400	r = rs400_gart_enable(rdev);
400	if (r)	401	if (r)
401	return r;	402	return r;
402	/* Enable IRQ */	403	/* Enable IRQ */
403	// r100_irq_set(rdev);	404	// r100_irq_set(rdev);
404	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);	405	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
405	/* 1M ring buffer */	406	/* 1M ring buffer */
406	r = r100_cp_init(rdev, 1024 * 1024);	407	r = r100_cp_init(rdev, 1024 * 1024);
407	if (r) {	408	if (r) {
408	dev_err(rdev->dev, "failed initializing CP (%d).\n", r);	409	dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
409	return r;	410	return r;
410	}	411	}
411	// r = r100_ib_init(rdev);	412	// r = r100_ib_init(rdev);
412	// if (r) {	413	// if (r) {
413	// dev_err(rdev->dev, "failled initializing IB (%d).\n", r);	414	// dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
414	// return r;	415	// return r;
415	// }	416	// }
416	return 0;	417	return 0;
417	}	418	}
418		419
419		420
420		421
421		422
422	int rs400_init(struct radeon_device *rdev)	423	int rs400_init(struct radeon_device *rdev)
423	{	424	{
424	int r;	425	int r;
425		426
426	/* Disable VGA */	427	/* Disable VGA */
427	r100_vga_render_disable(rdev);	428	r100_vga_render_disable(rdev);
428	/* Initialize scratch registers */	429	/* Initialize scratch registers */
429	radeon_scratch_init(rdev);	430	radeon_scratch_init(rdev);
430	/* Initialize surface registers */	431	/* Initialize surface registers */
431	radeon_surface_init(rdev);	432	radeon_surface_init(rdev);
432	/* TODO: disable VGA need to use VGA request */	433	/* TODO: disable VGA need to use VGA request */
433	/* restore some register to sane defaults */	434	/* restore some register to sane defaults */
434	r100_restore_sanity(rdev);	435	r100_restore_sanity(rdev);
435	/* BIOS*/	436	/* BIOS*/
436	if (!radeon_get_bios(rdev)) {	437	if (!radeon_get_bios(rdev)) {
437	if (ASIC_IS_AVIVO(rdev))	438	if (ASIC_IS_AVIVO(rdev))
438	return -EINVAL;	439	return -EINVAL;
439	}	440	}
440	if (rdev->is_atom_bios) {	441	if (rdev->is_atom_bios) {
441	dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");	442	dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
442	return -EINVAL;	443	return -EINVAL;
443	} else {	444	} else {
444	r = radeon_combios_init(rdev);	445	r = radeon_combios_init(rdev);
445	if (r)	446	if (r)
446	return r;	447	return r;
447	}	448	}
448	/* Reset gpu before posting otherwise ATOM will enter infinite loop */	449	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
449	if (radeon_asic_reset(rdev)) {	450	if (radeon_asic_reset(rdev)) {
450	dev_warn(rdev->dev,	451	dev_warn(rdev->dev,
451	"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",	452	"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
452	RREG32(R_000E40_RBBM_STATUS),	453	RREG32(R_000E40_RBBM_STATUS),
453	RREG32(R_0007C0_CP_STAT));	454	RREG32(R_0007C0_CP_STAT));
454	}	455	}
455	/* check if cards are posted or not */	456	/* check if cards are posted or not */
456	if (radeon_boot_test_post_card(rdev) == false)	457	if (radeon_boot_test_post_card(rdev) == false)
457	return -EINVAL;	458	return -EINVAL;
458		459
459	/* Initialize clocks */	460	/* Initialize clocks */
460	radeon_get_clock_info(rdev->ddev);	461	radeon_get_clock_info(rdev->ddev);
461	/* initialize memory controller */	462	/* initialize memory controller */
462	rs400_mc_init(rdev);	463	rs400_mc_init(rdev);
463	/* Fence driver */	464	/* Fence driver */
464	// r = radeon_fence_driver_init(rdev);	465	// r = radeon_fence_driver_init(rdev);
465	// if (r)	466	// if (r)
466	// return r;	467	// return r;
467	// r = radeon_irq_kms_init(rdev);	468	// r = radeon_irq_kms_init(rdev);
468	// if (r)	469	// if (r)
469	// return r;	470	// return r;
470	/* Memory manager */	471	/* Memory manager */
471	r = radeon_bo_init(rdev);	472	r = radeon_bo_init(rdev);
472	if (r)	473	if (r)
473	return r;	474	return r;
474	r = rs400_gart_init(rdev);	475	r = rs400_gart_init(rdev);
475	if (r)	476	if (r)
476	return r;	477	return r;
477	r300_set_reg_safe(rdev);	478	r300_set_reg_safe(rdev);
478	rdev->accel_working = true;	479	rdev->accel_working = true;
479	r = rs400_startup(rdev);	480	r = rs400_startup(rdev);
480	if (r) {	481	if (r) {
481	/* Somethings want wront with the accel init stop accel */	482	/* Somethings want wront with the accel init stop accel */
482	dev_err(rdev->dev, "Disabling GPU acceleration\n");	483	dev_err(rdev->dev, "Disabling GPU acceleration\n");
483	// r100_cp_fini(rdev);	484	// r100_cp_fini(rdev);
484	// r100_wb_fini(rdev);	485	// r100_wb_fini(rdev);
485	// r100_ib_fini(rdev);	486	// r100_ib_fini(rdev);
486	rs400_gart_fini(rdev);	487	rs400_gart_fini(rdev);
487	// radeon_irq_kms_fini(rdev);	488	// radeon_irq_kms_fini(rdev);
488	rdev->accel_working = false;	489	rdev->accel_working = false;
489	}	490	}
490	return 0;	491	return 0;
491	}	492	}

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(root)/drivers/video/drm/radeon/rs400.c – Rev 1963 → 1986