mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-05 06:41:55 +03:00
bc7ac722c2
git-svn-id: svn://kolibrios.org@1412 a494cfbc-eb01-0410-851d-a64ba20cac60
295 lines
8.1 KiB
C
295 lines
8.1 KiB
C
/*
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* Copyright 2008 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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* Jerome Glisse
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*/
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#include "drmP.h"
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#include "radeon.h"
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#include "atom.h"
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#include "r520d.h"
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/* This files gather functions specifics to: r520,rv530,rv560,rv570,r580 */
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static int r520_mc_wait_for_idle(struct radeon_device *rdev)
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{
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unsigned i;
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uint32_t tmp;
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for (i = 0; i < rdev->usec_timeout; i++) {
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/* read MC_STATUS */
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tmp = RREG32_MC(R520_MC_STATUS);
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if (tmp & R520_MC_STATUS_IDLE) {
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return 0;
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}
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DRM_UDELAY(1);
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}
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return -1;
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}
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static void r520_gpu_init(struct radeon_device *rdev)
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{
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unsigned pipe_select_current, gb_pipe_select, tmp;
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ENTER();
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r100_hdp_reset(rdev);
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rv515_vga_render_disable(rdev);
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/*
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* DST_PIPE_CONFIG 0x170C
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* GB_TILE_CONFIG 0x4018
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* GB_FIFO_SIZE 0x4024
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* GB_PIPE_SELECT 0x402C
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* GB_PIPE_SELECT2 0x4124
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* Z_PIPE_SHIFT 0
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* Z_PIPE_MASK 0x000000003
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* GB_FIFO_SIZE2 0x4128
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* SC_SFIFO_SIZE_SHIFT 0
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* SC_SFIFO_SIZE_MASK 0x000000003
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* SC_MFIFO_SIZE_SHIFT 2
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* SC_MFIFO_SIZE_MASK 0x00000000C
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* FG_SFIFO_SIZE_SHIFT 4
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* FG_SFIFO_SIZE_MASK 0x000000030
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* ZB_MFIFO_SIZE_SHIFT 6
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* ZB_MFIFO_SIZE_MASK 0x0000000C0
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* GA_ENHANCE 0x4274
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* SU_REG_DEST 0x42C8
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*/
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/* workaround for RV530 */
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if (rdev->family == CHIP_RV530) {
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WREG32(0x4128, 0xFF);
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}
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r420_pipes_init(rdev);
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gb_pipe_select = RREG32(0x402C);
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tmp = RREG32(0x170C);
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pipe_select_current = (tmp >> 2) & 3;
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tmp = (1 << pipe_select_current) |
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(((gb_pipe_select >> 8) & 0xF) << 4);
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WREG32_PLL(0x000D, tmp);
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if (r520_mc_wait_for_idle(rdev)) {
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printk(KERN_WARNING "Failed to wait MC idle while "
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"programming pipes. Bad things might happen.\n");
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}
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}
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static void r520_vram_get_type(struct radeon_device *rdev)
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{
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uint32_t tmp;
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ENTER();
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rdev->mc.vram_width = 128;
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rdev->mc.vram_is_ddr = true;
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tmp = RREG32_MC(R520_MC_CNTL0);
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switch ((tmp & R520_MEM_NUM_CHANNELS_MASK) >> R520_MEM_NUM_CHANNELS_SHIFT) {
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case 0:
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rdev->mc.vram_width = 32;
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break;
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case 1:
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rdev->mc.vram_width = 64;
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break;
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case 2:
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rdev->mc.vram_width = 128;
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break;
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case 3:
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rdev->mc.vram_width = 256;
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break;
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default:
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rdev->mc.vram_width = 128;
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break;
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}
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if (tmp & R520_MC_CHANNEL_SIZE)
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rdev->mc.vram_width *= 2;
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}
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void r520_vram_info(struct radeon_device *rdev)
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{
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fixed20_12 a;
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r520_vram_get_type(rdev);
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r100_vram_init_sizes(rdev);
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/* FIXME: we should enforce default clock in case GPU is not in
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* default setup
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*/
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a.full = rfixed_const(100);
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rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
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rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
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}
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void r520_mc_program(struct radeon_device *rdev)
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{
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struct rv515_mc_save save;
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/* Stops all mc clients */
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rv515_mc_stop(rdev, &save);
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/* Wait for mc idle */
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if (r520_mc_wait_for_idle(rdev))
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dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
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/* Write VRAM size in case we are limiting it */
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WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
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/* Program MC, should be a 32bits limited address space */
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WREG32_MC(R_000004_MC_FB_LOCATION,
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S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
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S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
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WREG32(R_000134_HDP_FB_LOCATION,
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S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
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if (rdev->flags & RADEON_IS_AGP) {
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WREG32_MC(R_000005_MC_AGP_LOCATION,
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S_000005_MC_AGP_START(rdev->mc.gtt_start >> 16) |
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S_000005_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
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WREG32_MC(R_000006_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
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WREG32_MC(R_000007_AGP_BASE_2,
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S_000007_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
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} else {
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WREG32_MC(R_000005_MC_AGP_LOCATION, 0xFFFFFFFF);
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WREG32_MC(R_000006_AGP_BASE, 0);
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WREG32_MC(R_000007_AGP_BASE_2, 0);
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}
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rv515_mc_resume(rdev, &save);
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}
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static int r520_startup(struct radeon_device *rdev)
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{
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int r;
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r520_mc_program(rdev);
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/* Resume clock */
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rv515_clock_startup(rdev);
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/* Initialize GPU configuration (# pipes, ...) */
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r520_gpu_init(rdev);
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/* Initialize GART (initialize after TTM so we can allocate
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* memory through TTM but finalize after TTM) */
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if (rdev->flags & RADEON_IS_PCIE) {
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r = rv370_pcie_gart_enable(rdev);
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if (r)
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return r;
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}
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/* Enable IRQ */
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// rs600_irq_set(rdev);
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/* 1M ring buffer */
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r = r100_cp_init(rdev, 1024 * 1024);
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if (r) {
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dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
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return r;
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}
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// r = r100_wb_init(rdev);
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// if (r)
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// dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
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// r = r100_ib_init(rdev);
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// if (r) {
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// dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
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// return r;
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// }
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return 0;
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}
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int r520_init(struct radeon_device *rdev)
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{
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int r;
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ENTER();
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/* Initialize scratch registers */
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radeon_scratch_init(rdev);
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/* Initialize surface registers */
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radeon_surface_init(rdev);
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/* TODO: disable VGA need to use VGA request */
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/* BIOS*/
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if (!radeon_get_bios(rdev)) {
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if (ASIC_IS_AVIVO(rdev))
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return -EINVAL;
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}
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if (rdev->is_atom_bios) {
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r = radeon_atombios_init(rdev);
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if (r)
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return r;
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} else {
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dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
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return -EINVAL;
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}
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/* Reset gpu before posting otherwise ATOM will enter infinite loop */
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if (radeon_gpu_reset(rdev)) {
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dev_warn(rdev->dev,
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"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
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RREG32(R_000E40_RBBM_STATUS),
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RREG32(R_0007C0_CP_STAT));
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}
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/* check if cards are posted or not */
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if (radeon_boot_test_post_card(rdev) == false)
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return -EINVAL;
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if (!radeon_card_posted(rdev) && rdev->bios) {
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DRM_INFO("GPU not posted. posting now...\n");
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atom_asic_init(rdev->mode_info.atom_context);
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}
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/* Initialize clocks */
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radeon_get_clock_info(rdev->ddev);
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/* Initialize power management */
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radeon_pm_init(rdev);
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/* Get vram informations */
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r520_vram_info(rdev);
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/* Initialize memory controller (also test AGP) */
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r = r420_mc_init(rdev);
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dbgprintf("mc vram location %x\n", rdev->mc.vram_location);
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if (r)
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return r;
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rv515_debugfs(rdev);
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/* Fence driver */
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// r = radeon_fence_driver_init(rdev);
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// if (r)
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// return r;
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// r = radeon_irq_kms_init(rdev);
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// if (r)
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// return r;
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/* Memory manager */
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r = radeon_bo_init(rdev);
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if (r)
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return r;
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r = rv370_pcie_gart_init(rdev);
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if (r)
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return r;
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rv515_set_safe_registers(rdev);
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rdev->accel_working = true;
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r = r520_startup(rdev);
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if (r) {
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/* Somethings want wront with the accel init stop accel */
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dev_err(rdev->dev, "Disabling GPU acceleration\n");
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// rv515_suspend(rdev);
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// r100_cp_fini(rdev);
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// r100_wb_fini(rdev);
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// r100_ib_fini(rdev);
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rv370_pcie_gart_fini(rdev);
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// radeon_agp_fini(rdev);
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// radeon_irq_kms_fini(rdev);
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rdev->accel_working = false;
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}
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LEAVE();
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return 0;
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}
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