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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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9c3578af81
Found-by: Coccinelle Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net> Reviewed-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
862 lines
22 KiB
C
862 lines
22 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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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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*/
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#include <linux/firmware.h>
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#include "drmP.h"
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#include "amdgpu.h"
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#include "tonga_ppsmc.h"
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#include "tonga_smum.h"
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#include "smu_ucode_xfer_vi.h"
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#include "amdgpu_ucode.h"
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#include "smu/smu_7_1_2_d.h"
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#include "smu/smu_7_1_2_sh_mask.h"
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#define TONGA_SMC_SIZE 0x20000
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static int tonga_set_smc_sram_address(struct amdgpu_device *adev, uint32_t smc_address, uint32_t limit)
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{
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uint32_t val;
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if (smc_address & 3)
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return -EINVAL;
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if ((smc_address + 3) > limit)
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return -EINVAL;
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WREG32(mmSMC_IND_INDEX_0, smc_address);
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val = RREG32(mmSMC_IND_ACCESS_CNTL);
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val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
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WREG32(mmSMC_IND_ACCESS_CNTL, val);
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return 0;
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}
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static int tonga_copy_bytes_to_smc(struct amdgpu_device *adev, uint32_t smc_start_address, const uint8_t *src, uint32_t byte_count, uint32_t limit)
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{
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uint32_t addr;
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uint32_t data, orig_data;
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int result = 0;
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uint32_t extra_shift;
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unsigned long flags;
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if (smc_start_address & 3)
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return -EINVAL;
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if ((smc_start_address + byte_count) > limit)
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return -EINVAL;
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addr = smc_start_address;
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spin_lock_irqsave(&adev->smc_idx_lock, flags);
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while (byte_count >= 4) {
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/* Bytes are written into the SMC addres space with the MSB first */
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data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3];
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result = tonga_set_smc_sram_address(adev, addr, limit);
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if (result)
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goto out;
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WREG32(mmSMC_IND_DATA_0, data);
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src += 4;
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byte_count -= 4;
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addr += 4;
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}
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if (0 != byte_count) {
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/* Now write odd bytes left, do a read modify write cycle */
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data = 0;
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result = tonga_set_smc_sram_address(adev, addr, limit);
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if (result)
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goto out;
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orig_data = RREG32(mmSMC_IND_DATA_0);
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extra_shift = 8 * (4 - byte_count);
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while (byte_count > 0) {
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data = (data << 8) + *src++;
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byte_count--;
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}
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data <<= extra_shift;
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data |= (orig_data & ~((~0UL) << extra_shift));
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result = tonga_set_smc_sram_address(adev, addr, limit);
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if (result)
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goto out;
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WREG32(mmSMC_IND_DATA_0, data);
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}
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out:
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spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
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return result;
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}
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static int tonga_program_jump_on_start(struct amdgpu_device *adev)
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{
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static unsigned char data[] = {0xE0, 0x00, 0x80, 0x40};
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tonga_copy_bytes_to_smc(adev, 0x0, data, 4, sizeof(data)+1);
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return 0;
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}
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static bool tonga_is_smc_ram_running(struct amdgpu_device *adev)
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{
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uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
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val = REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable);
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return ((0 == val) && (0x20100 <= RREG32_SMC(ixSMC_PC_C)));
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}
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static int wait_smu_response(struct amdgpu_device *adev)
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{
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int i;
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uint32_t val;
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for (i = 0; i < adev->usec_timeout; i++) {
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val = RREG32(mmSMC_RESP_0);
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if (REG_GET_FIELD(val, SMC_RESP_0, SMC_RESP))
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break;
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udelay(1);
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}
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if (i == adev->usec_timeout)
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return -EINVAL;
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return 0;
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}
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static int tonga_send_msg_to_smc_offset(struct amdgpu_device *adev)
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{
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if (wait_smu_response(adev)) {
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DRM_ERROR("Failed to send previous message\n");
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return -EINVAL;
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}
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WREG32(mmSMC_MSG_ARG_0, 0x20000);
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WREG32(mmSMC_MESSAGE_0, PPSMC_MSG_Test);
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if (wait_smu_response(adev)) {
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DRM_ERROR("Failed to send message\n");
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return -EINVAL;
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}
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return 0;
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}
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static int tonga_send_msg_to_smc(struct amdgpu_device *adev, PPSMC_Msg msg)
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{
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if (!tonga_is_smc_ram_running(adev))
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{
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return -EINVAL;
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}
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if (wait_smu_response(adev)) {
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DRM_ERROR("Failed to send previous message\n");
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return -EINVAL;
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}
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WREG32(mmSMC_MESSAGE_0, msg);
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if (wait_smu_response(adev)) {
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DRM_ERROR("Failed to send message\n");
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return -EINVAL;
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}
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return 0;
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}
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static int tonga_send_msg_to_smc_without_waiting(struct amdgpu_device *adev,
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PPSMC_Msg msg)
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{
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if (wait_smu_response(adev)) {
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DRM_ERROR("Failed to send previous message\n");
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return -EINVAL;
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}
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WREG32(mmSMC_MESSAGE_0, msg);
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return 0;
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}
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static int tonga_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
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PPSMC_Msg msg,
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uint32_t parameter)
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{
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if (!tonga_is_smc_ram_running(adev))
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return -EINVAL;
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if (wait_smu_response(adev)) {
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DRM_ERROR("Failed to send previous message\n");
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return -EINVAL;
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}
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WREG32(mmSMC_MSG_ARG_0, parameter);
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return tonga_send_msg_to_smc(adev, msg);
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}
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static int tonga_send_msg_to_smc_with_parameter_without_waiting(
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struct amdgpu_device *adev,
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PPSMC_Msg msg, uint32_t parameter)
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{
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if (wait_smu_response(adev)) {
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DRM_ERROR("Failed to send previous message\n");
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return -EINVAL;
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}
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WREG32(mmSMC_MSG_ARG_0, parameter);
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return tonga_send_msg_to_smc_without_waiting(adev, msg);
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}
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#if 0 /* not used yet */
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static int tonga_wait_for_smc_inactive(struct amdgpu_device *adev)
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{
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int i;
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uint32_t val;
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if (!tonga_is_smc_ram_running(adev))
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return -EINVAL;
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for (i = 0; i < adev->usec_timeout; i++) {
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val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
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if (REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, cken) == 0)
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break;
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udelay(1);
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}
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if (i == adev->usec_timeout)
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return -EINVAL;
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return 0;
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}
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#endif
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static int tonga_smu_upload_firmware_image(struct amdgpu_device *adev)
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{
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const struct smc_firmware_header_v1_0 *hdr;
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uint32_t ucode_size;
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uint32_t ucode_start_address;
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const uint8_t *src;
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uint32_t val;
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uint32_t byte_count;
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uint32_t *data;
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unsigned long flags;
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if (!adev->pm.fw)
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return -EINVAL;
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/* Skip SMC ucode loading on SR-IOV capable boards.
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* vbios does this for us in asic_init in that case.
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*/
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if (adev->virtualization.supports_sr_iov)
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return 0;
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hdr = (const struct smc_firmware_header_v1_0 *)adev->pm.fw->data;
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amdgpu_ucode_print_smc_hdr(&hdr->header);
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adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version);
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ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
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ucode_start_address = le32_to_cpu(hdr->ucode_start_addr);
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src = (const uint8_t *)
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(adev->pm.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
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if (ucode_size & 3) {
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DRM_ERROR("SMC ucode is not 4 bytes aligned\n");
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return -EINVAL;
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}
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if (ucode_size > TONGA_SMC_SIZE) {
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DRM_ERROR("SMC address is beyond the SMC RAM area\n");
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return -EINVAL;
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}
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spin_lock_irqsave(&adev->smc_idx_lock, flags);
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WREG32(mmSMC_IND_INDEX_0, ucode_start_address);
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val = RREG32(mmSMC_IND_ACCESS_CNTL);
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val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1);
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WREG32(mmSMC_IND_ACCESS_CNTL, val);
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byte_count = ucode_size;
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data = (uint32_t *)src;
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for (; byte_count >= 4; data++, byte_count -= 4)
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WREG32(mmSMC_IND_DATA_0, data[0]);
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val = RREG32(mmSMC_IND_ACCESS_CNTL);
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val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
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WREG32(mmSMC_IND_ACCESS_CNTL, val);
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spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
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return 0;
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}
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#if 0 /* not used yet */
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static int tonga_read_smc_sram_dword(struct amdgpu_device *adev,
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uint32_t smc_address,
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uint32_t *value,
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uint32_t limit)
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{
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int result;
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unsigned long flags;
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spin_lock_irqsave(&adev->smc_idx_lock, flags);
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result = tonga_set_smc_sram_address(adev, smc_address, limit);
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if (result == 0)
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*value = RREG32(mmSMC_IND_DATA_0);
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spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
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return result;
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}
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static int tonga_write_smc_sram_dword(struct amdgpu_device *adev,
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uint32_t smc_address,
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uint32_t value,
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uint32_t limit)
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{
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int result;
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unsigned long flags;
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spin_lock_irqsave(&adev->smc_idx_lock, flags);
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result = tonga_set_smc_sram_address(adev, smc_address, limit);
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if (result == 0)
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WREG32(mmSMC_IND_DATA_0, value);
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spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
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return result;
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}
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static int tonga_smu_stop_smc(struct amdgpu_device *adev)
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{
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uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
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val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
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WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
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val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
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val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 1);
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WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
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return 0;
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}
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#endif
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static enum AMDGPU_UCODE_ID tonga_convert_fw_type(uint32_t fw_type)
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{
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switch (fw_type) {
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case UCODE_ID_SDMA0:
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return AMDGPU_UCODE_ID_SDMA0;
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case UCODE_ID_SDMA1:
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return AMDGPU_UCODE_ID_SDMA1;
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case UCODE_ID_CP_CE:
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return AMDGPU_UCODE_ID_CP_CE;
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case UCODE_ID_CP_PFP:
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return AMDGPU_UCODE_ID_CP_PFP;
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case UCODE_ID_CP_ME:
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return AMDGPU_UCODE_ID_CP_ME;
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case UCODE_ID_CP_MEC:
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case UCODE_ID_CP_MEC_JT1:
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return AMDGPU_UCODE_ID_CP_MEC1;
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case UCODE_ID_CP_MEC_JT2:
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return AMDGPU_UCODE_ID_CP_MEC2;
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case UCODE_ID_RLC_G:
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return AMDGPU_UCODE_ID_RLC_G;
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default:
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DRM_ERROR("ucode type is out of range!\n");
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return AMDGPU_UCODE_ID_MAXIMUM;
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}
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}
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static int tonga_smu_populate_single_firmware_entry(struct amdgpu_device *adev,
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uint32_t fw_type,
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struct SMU_Entry *entry)
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{
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enum AMDGPU_UCODE_ID id = tonga_convert_fw_type(fw_type);
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struct amdgpu_firmware_info *ucode = &adev->firmware.ucode[id];
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const struct gfx_firmware_header_v1_0 *header = NULL;
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uint64_t gpu_addr;
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uint32_t data_size;
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if (ucode->fw == NULL)
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return -EINVAL;
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gpu_addr = ucode->mc_addr;
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header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
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data_size = le32_to_cpu(header->header.ucode_size_bytes);
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if ((fw_type == UCODE_ID_CP_MEC_JT1) ||
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(fw_type == UCODE_ID_CP_MEC_JT2)) {
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gpu_addr += le32_to_cpu(header->jt_offset) << 2;
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data_size = le32_to_cpu(header->jt_size) << 2;
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}
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entry->version = (uint16_t)le32_to_cpu(header->header.ucode_version);
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entry->id = (uint16_t)fw_type;
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entry->image_addr_high = upper_32_bits(gpu_addr);
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entry->image_addr_low = lower_32_bits(gpu_addr);
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entry->meta_data_addr_high = 0;
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entry->meta_data_addr_low = 0;
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entry->data_size_byte = data_size;
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entry->num_register_entries = 0;
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if (fw_type == UCODE_ID_RLC_G)
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entry->flags = 1;
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else
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entry->flags = 0;
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return 0;
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}
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static int tonga_smu_request_load_fw(struct amdgpu_device *adev)
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{
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struct tonga_smu_private_data *private = (struct tonga_smu_private_data *)adev->smu.priv;
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struct SMU_DRAMData_TOC *toc;
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uint32_t fw_to_load;
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WREG32_SMC(ixSOFT_REGISTERS_TABLE_28, 0);
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tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_HI, private->smu_buffer_addr_high);
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tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_LO, private->smu_buffer_addr_low);
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toc = (struct SMU_DRAMData_TOC *)private->header;
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toc->num_entries = 0;
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toc->structure_version = 1;
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if (!adev->firmware.smu_load)
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return 0;
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if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_RLC_G,
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&toc->entry[toc->num_entries++])) {
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DRM_ERROR("Failed to get firmware entry for RLC\n");
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return -EINVAL;
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}
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if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_CE,
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&toc->entry[toc->num_entries++])) {
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DRM_ERROR("Failed to get firmware entry for CE\n");
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return -EINVAL;
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}
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if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_PFP,
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&toc->entry[toc->num_entries++])) {
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DRM_ERROR("Failed to get firmware entry for PFP\n");
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return -EINVAL;
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}
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if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_ME,
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&toc->entry[toc->num_entries++])) {
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DRM_ERROR("Failed to get firmware entry for ME\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC,
|
|
&toc->entry[toc->num_entries++])) {
|
|
DRM_ERROR("Failed to get firmware entry for MEC\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT1,
|
|
&toc->entry[toc->num_entries++])) {
|
|
DRM_ERROR("Failed to get firmware entry for MEC_JT1\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT2,
|
|
&toc->entry[toc->num_entries++])) {
|
|
DRM_ERROR("Failed to get firmware entry for MEC_JT2\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA0,
|
|
&toc->entry[toc->num_entries++])) {
|
|
DRM_ERROR("Failed to get firmware entry for SDMA0\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA1,
|
|
&toc->entry[toc->num_entries++])) {
|
|
DRM_ERROR("Failed to get firmware entry for SDMA1\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_HI, private->header_addr_high);
|
|
tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_LO, private->header_addr_low);
|
|
|
|
fw_to_load = UCODE_ID_RLC_G_MASK |
|
|
UCODE_ID_SDMA0_MASK |
|
|
UCODE_ID_SDMA1_MASK |
|
|
UCODE_ID_CP_CE_MASK |
|
|
UCODE_ID_CP_ME_MASK |
|
|
UCODE_ID_CP_PFP_MASK |
|
|
UCODE_ID_CP_MEC_MASK;
|
|
|
|
if (tonga_send_msg_to_smc_with_parameter_without_waiting(adev, PPSMC_MSG_LoadUcodes, fw_to_load)) {
|
|
DRM_ERROR("Fail to request SMU load ucode\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t tonga_smu_get_mask_for_fw_type(uint32_t fw_type)
|
|
{
|
|
switch (fw_type) {
|
|
case AMDGPU_UCODE_ID_SDMA0:
|
|
return UCODE_ID_SDMA0_MASK;
|
|
case AMDGPU_UCODE_ID_SDMA1:
|
|
return UCODE_ID_SDMA1_MASK;
|
|
case AMDGPU_UCODE_ID_CP_CE:
|
|
return UCODE_ID_CP_CE_MASK;
|
|
case AMDGPU_UCODE_ID_CP_PFP:
|
|
return UCODE_ID_CP_PFP_MASK;
|
|
case AMDGPU_UCODE_ID_CP_ME:
|
|
return UCODE_ID_CP_ME_MASK;
|
|
case AMDGPU_UCODE_ID_CP_MEC1:
|
|
return UCODE_ID_CP_MEC_MASK;
|
|
case AMDGPU_UCODE_ID_CP_MEC2:
|
|
return UCODE_ID_CP_MEC_MASK;
|
|
case AMDGPU_UCODE_ID_RLC_G:
|
|
return UCODE_ID_RLC_G_MASK;
|
|
default:
|
|
DRM_ERROR("ucode type is out of range!\n");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int tonga_smu_check_fw_load_finish(struct amdgpu_device *adev,
|
|
uint32_t fw_type)
|
|
{
|
|
uint32_t fw_mask = tonga_smu_get_mask_for_fw_type(fw_type);
|
|
int i;
|
|
|
|
for (i = 0; i < adev->usec_timeout; i++) {
|
|
if (fw_mask == (RREG32_SMC(ixSOFT_REGISTERS_TABLE_28) & fw_mask))
|
|
break;
|
|
udelay(1);
|
|
}
|
|
|
|
if (i == adev->usec_timeout) {
|
|
DRM_ERROR("check firmware loading failed\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tonga_smu_start_in_protection_mode(struct amdgpu_device *adev)
|
|
{
|
|
int result;
|
|
uint32_t val;
|
|
int i;
|
|
|
|
/* Assert reset */
|
|
val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
|
|
val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
|
|
WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
|
|
|
|
result = tonga_smu_upload_firmware_image(adev);
|
|
if (result)
|
|
return result;
|
|
|
|
/* Clear status */
|
|
WREG32_SMC(ixSMU_STATUS, 0);
|
|
|
|
/* Enable clock */
|
|
val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
|
|
val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
|
|
WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
|
|
|
|
/* De-assert reset */
|
|
val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
|
|
val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
|
|
WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
|
|
|
|
/* Set SMU Auto Start */
|
|
val = RREG32_SMC(ixSMU_INPUT_DATA);
|
|
val = REG_SET_FIELD(val, SMU_INPUT_DATA, AUTO_START, 1);
|
|
WREG32_SMC(ixSMU_INPUT_DATA, val);
|
|
|
|
/* Clear firmware interrupt enable flag */
|
|
WREG32_SMC(ixFIRMWARE_FLAGS, 0);
|
|
|
|
for (i = 0; i < adev->usec_timeout; i++) {
|
|
val = RREG32_SMC(ixRCU_UC_EVENTS);
|
|
if (REG_GET_FIELD(val, RCU_UC_EVENTS, INTERRUPTS_ENABLED))
|
|
break;
|
|
udelay(1);
|
|
}
|
|
|
|
if (i == adev->usec_timeout) {
|
|
DRM_ERROR("Interrupt is not enabled by firmware\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Call Test SMU message with 0x20000 offset
|
|
* to trigger SMU start
|
|
*/
|
|
tonga_send_msg_to_smc_offset(adev);
|
|
|
|
/* Wait for done bit to be set */
|
|
for (i = 0; i < adev->usec_timeout; i++) {
|
|
val = RREG32_SMC(ixSMU_STATUS);
|
|
if (REG_GET_FIELD(val, SMU_STATUS, SMU_DONE))
|
|
break;
|
|
udelay(1);
|
|
}
|
|
|
|
if (i == adev->usec_timeout) {
|
|
DRM_ERROR("Timeout for SMU start\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Check pass/failed indicator */
|
|
val = RREG32_SMC(ixSMU_STATUS);
|
|
if (!REG_GET_FIELD(val, SMU_STATUS, SMU_PASS)) {
|
|
DRM_ERROR("SMU Firmware start failed\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Wait for firmware to initialize */
|
|
for (i = 0; i < adev->usec_timeout; i++) {
|
|
val = RREG32_SMC(ixFIRMWARE_FLAGS);
|
|
if(REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED))
|
|
break;
|
|
udelay(1);
|
|
}
|
|
|
|
if (i == adev->usec_timeout) {
|
|
DRM_ERROR("SMU firmware initialization failed\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tonga_smu_start_in_non_protection_mode(struct amdgpu_device *adev)
|
|
{
|
|
int i, result;
|
|
uint32_t val;
|
|
|
|
/* wait for smc boot up */
|
|
for (i = 0; i < adev->usec_timeout; i++) {
|
|
val = RREG32_SMC(ixRCU_UC_EVENTS);
|
|
val = REG_GET_FIELD(val, RCU_UC_EVENTS, boot_seq_done);
|
|
if (val)
|
|
break;
|
|
udelay(1);
|
|
}
|
|
|
|
if (i == adev->usec_timeout) {
|
|
DRM_ERROR("SMC boot sequence is not completed\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Clear firmware interrupt enable flag */
|
|
WREG32_SMC(ixFIRMWARE_FLAGS, 0);
|
|
|
|
/* Assert reset */
|
|
val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
|
|
val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
|
|
WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
|
|
|
|
result = tonga_smu_upload_firmware_image(adev);
|
|
if (result)
|
|
return result;
|
|
|
|
/* Set smc instruct start point at 0x0 */
|
|
tonga_program_jump_on_start(adev);
|
|
|
|
/* Enable clock */
|
|
val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
|
|
val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
|
|
WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
|
|
|
|
/* De-assert reset */
|
|
val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
|
|
val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
|
|
WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
|
|
|
|
/* Wait for firmware to initialize */
|
|
for (i = 0; i < adev->usec_timeout; i++) {
|
|
val = RREG32_SMC(ixFIRMWARE_FLAGS);
|
|
if (REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED))
|
|
break;
|
|
udelay(1);
|
|
}
|
|
|
|
if (i == adev->usec_timeout) {
|
|
DRM_ERROR("Timeout for SMC firmware initialization\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int tonga_smu_start(struct amdgpu_device *adev)
|
|
{
|
|
int result;
|
|
uint32_t val;
|
|
|
|
if (!tonga_is_smc_ram_running(adev)) {
|
|
val = RREG32_SMC(ixSMU_FIRMWARE);
|
|
if (!REG_GET_FIELD(val, SMU_FIRMWARE, SMU_MODE)) {
|
|
result = tonga_smu_start_in_non_protection_mode(adev);
|
|
if (result)
|
|
return result;
|
|
} else {
|
|
result = tonga_smu_start_in_protection_mode(adev);
|
|
if (result)
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return tonga_smu_request_load_fw(adev);
|
|
}
|
|
|
|
static const struct amdgpu_smumgr_funcs tonga_smumgr_funcs = {
|
|
.check_fw_load_finish = tonga_smu_check_fw_load_finish,
|
|
.request_smu_load_fw = NULL,
|
|
.request_smu_specific_fw = NULL,
|
|
};
|
|
|
|
int tonga_smu_init(struct amdgpu_device *adev)
|
|
{
|
|
struct tonga_smu_private_data *private;
|
|
uint32_t image_size = ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096;
|
|
uint32_t smu_internal_buffer_size = 200*4096;
|
|
struct amdgpu_bo **toc_buf = &adev->smu.toc_buf;
|
|
struct amdgpu_bo **smu_buf = &adev->smu.smu_buf;
|
|
uint64_t mc_addr;
|
|
void *toc_buf_ptr;
|
|
void *smu_buf_ptr;
|
|
int ret;
|
|
|
|
private = kzalloc(sizeof(struct tonga_smu_private_data), GFP_KERNEL);
|
|
if (NULL == private)
|
|
return -ENOMEM;
|
|
|
|
/* allocate firmware buffers */
|
|
if (adev->firmware.smu_load)
|
|
amdgpu_ucode_init_bo(adev);
|
|
|
|
adev->smu.priv = private;
|
|
adev->smu.fw_flags = 0;
|
|
|
|
/* Allocate FW image data structure and header buffer */
|
|
ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
|
|
true, AMDGPU_GEM_DOMAIN_VRAM,
|
|
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
|
|
NULL, NULL, toc_buf);
|
|
if (ret) {
|
|
DRM_ERROR("Failed to allocate memory for TOC buffer\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Allocate buffer for SMU internal buffer */
|
|
ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE,
|
|
true, AMDGPU_GEM_DOMAIN_VRAM,
|
|
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
|
|
NULL, NULL, smu_buf);
|
|
if (ret) {
|
|
DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Retrieve GPU address for header buffer and internal buffer */
|
|
ret = amdgpu_bo_reserve(adev->smu.toc_buf, false);
|
|
if (ret) {
|
|
amdgpu_bo_unref(&adev->smu.toc_buf);
|
|
DRM_ERROR("Failed to reserve the TOC buffer\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = amdgpu_bo_pin(adev->smu.toc_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
|
|
if (ret) {
|
|
amdgpu_bo_unreserve(adev->smu.toc_buf);
|
|
amdgpu_bo_unref(&adev->smu.toc_buf);
|
|
DRM_ERROR("Failed to pin the TOC buffer\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = amdgpu_bo_kmap(*toc_buf, &toc_buf_ptr);
|
|
if (ret) {
|
|
amdgpu_bo_unreserve(adev->smu.toc_buf);
|
|
amdgpu_bo_unref(&adev->smu.toc_buf);
|
|
DRM_ERROR("Failed to map the TOC buffer\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
amdgpu_bo_unreserve(adev->smu.toc_buf);
|
|
private->header_addr_low = lower_32_bits(mc_addr);
|
|
private->header_addr_high = upper_32_bits(mc_addr);
|
|
private->header = toc_buf_ptr;
|
|
|
|
ret = amdgpu_bo_reserve(adev->smu.smu_buf, false);
|
|
if (ret) {
|
|
amdgpu_bo_unref(&adev->smu.smu_buf);
|
|
amdgpu_bo_unref(&adev->smu.toc_buf);
|
|
DRM_ERROR("Failed to reserve the SMU internal buffer\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = amdgpu_bo_pin(adev->smu.smu_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
|
|
if (ret) {
|
|
amdgpu_bo_unreserve(adev->smu.smu_buf);
|
|
amdgpu_bo_unref(&adev->smu.smu_buf);
|
|
amdgpu_bo_unref(&adev->smu.toc_buf);
|
|
DRM_ERROR("Failed to pin the SMU internal buffer\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = amdgpu_bo_kmap(*smu_buf, &smu_buf_ptr);
|
|
if (ret) {
|
|
amdgpu_bo_unreserve(adev->smu.smu_buf);
|
|
amdgpu_bo_unref(&adev->smu.smu_buf);
|
|
amdgpu_bo_unref(&adev->smu.toc_buf);
|
|
DRM_ERROR("Failed to map the SMU internal buffer\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
amdgpu_bo_unreserve(adev->smu.smu_buf);
|
|
private->smu_buffer_addr_low = lower_32_bits(mc_addr);
|
|
private->smu_buffer_addr_high = upper_32_bits(mc_addr);
|
|
|
|
adev->smu.smumgr_funcs = &tonga_smumgr_funcs;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int tonga_smu_fini(struct amdgpu_device *adev)
|
|
{
|
|
amdgpu_bo_unref(&adev->smu.toc_buf);
|
|
amdgpu_bo_unref(&adev->smu.smu_buf);
|
|
kfree(adev->smu.priv);
|
|
adev->smu.priv = NULL;
|
|
if (adev->firmware.fw_buf)
|
|
amdgpu_ucode_fini_bo(adev);
|
|
|
|
return 0;
|
|
}
|