diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0928-drm-amd-powerplay-add-smu-support-for-ellesmere-baff.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0928-drm-amd-powerplay-add-smu-support-for-ellesmere-baff.patch | 1134 |
1 files changed, 1134 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0928-drm-amd-powerplay-add-smu-support-for-ellesmere-baff.patch b/common/recipes-kernel/linux/files/0928-drm-amd-powerplay-add-smu-support-for-ellesmere-baff.patch new file mode 100644 index 00000000..b9f9fb6b --- /dev/null +++ b/common/recipes-kernel/linux/files/0928-drm-amd-powerplay-add-smu-support-for-ellesmere-baff.patch @@ -0,0 +1,1134 @@ +From 8dbf648aa23c5f7c18bf336a475ac603abad58b2 Mon Sep 17 00:00:00 2001 +From: rezhu <Rex.Zhu@amd.com> +Date: Tue, 10 Nov 2015 10:26:39 +0800 +Subject: [PATCH 0928/1110] drm/amd/powerplay: add smu support for + ellesmere/baffin + +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 11 +- + drivers/gpu/drm/amd/powerplay/smumgr/Makefile | 2 +- + .../drm/amd/powerplay/smumgr/ellesmere_smumgr.c | 969 +++++++++++++++++++++ + .../drm/amd/powerplay/smumgr/ellesmere_smumgr.h | 66 ++ + drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c | 5 + + 5 files changed, 1050 insertions(+), 3 deletions(-) + create mode 100644 drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.c + create mode 100644 drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.h + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +index 8b653f2..8bc4040 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +@@ -681,9 +681,10 @@ static uint32_t fw_type_convert(struct cgs_device *cgs_device, uint32_t fw_type) + result = AMDGPU_UCODE_ID_CP_MEC1; + break; + case CGS_UCODE_ID_CP_MEC_JT2: +- if (adev->asic_type == CHIP_TONGA) ++ if (adev->asic_type == CHIP_TONGA || adev->asic_type == CHIP_BAFFIN ++ || adev->asic_type == CHIP_ELLESMERE) + result = AMDGPU_UCODE_ID_CP_MEC2; +- else if (adev->asic_type == CHIP_CARRIZO) ++ else + result = AMDGPU_UCODE_ID_CP_MEC1; + break; + case CGS_UCODE_ID_RLC_G: +@@ -741,6 +742,12 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, + case CHIP_FIJI: + strcpy(fw_name, "amdgpu/fiji_smc.bin"); + break; ++ case CHIP_BAFFIN: ++ strcpy(fw_name, "amdgpu/baffin_smc.bin"); ++ break; ++ case CHIP_ELLESMERE: ++ strcpy(fw_name, "amdgpu/ellesmere_smc.bin"); ++ break; + default: + DRM_ERROR("SMC firmware not supported\n"); + return -EINVAL; +diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/Makefile b/drivers/gpu/drm/amd/powerplay/smumgr/Makefile +index 6c4ef13..4f751e5 100644 +--- a/drivers/gpu/drm/amd/powerplay/smumgr/Makefile ++++ b/drivers/gpu/drm/amd/powerplay/smumgr/Makefile +@@ -2,7 +2,7 @@ + # Makefile for the 'smu manager' sub-component of powerplay. + # It provides the smu management services for the driver. + +-SMU_MGR = smumgr.o cz_smumgr.o tonga_smumgr.o fiji_smumgr.o ++SMU_MGR = smumgr.o cz_smumgr.o tonga_smumgr.o fiji_smumgr.o ellesmere_smumgr.o + + AMD_PP_SMUMGR = $(addprefix $(AMD_PP_PATH)/smumgr/,$(SMU_MGR)) + +diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.c +new file mode 100644 +index 0000000..f57ba12 +--- /dev/null ++++ b/drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.c +@@ -0,0 +1,969 @@ ++/* ++ * Copyright 2015 Advanced Micro Devices, Inc. ++ * ++ * 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. ++ * ++ */ ++ ++#include "smumgr.h" ++#include "smu74.h" ++#include "smu_ucode_xfer_vi.h" ++#include "ellesmere_smumgr.h" ++#include "smu74_discrete.h" ++#include "smu/smu_7_1_3_d.h" ++#include "smu/smu_7_1_3_sh_mask.h" ++#include "gmc/gmc_8_1_d.h" ++#include "gmc/gmc_8_1_sh_mask.h" ++#include "oss/oss_3_0_d.h" ++#include "gca/gfx_8_0_d.h" ++#include "bif/bif_5_0_d.h" ++#include "bif/bif_5_0_sh_mask.h" ++#include "ellesmere_pwrvirus.h" ++#include "ppatomctrl.h" ++#include "pp_debug.h" ++#include "cgs_common.h" ++ ++#define ELLESMERE_SMC_SIZE 0x20000 ++#define VOLTAGE_SCALE 4 ++ ++/* Microcode file is stored in this buffer */ ++#define BUFFER_SIZE 80000 ++#define MAX_STRING_SIZE 15 ++#define BUFFER_SIZETWO 131072 /* 128 *1024 */ ++ ++#define SMC_RAM_END 0x40000 ++ ++SMU74_Discrete_GraphicsLevel avfs_graphics_level_ellesmere[8] = { ++ /* Min pcie DeepSleep Activity CgSpll CgSpll CcPwr CcPwr Sclk Enabled Enabled Voltage Power */ ++ /* Voltage, DpmLevel, DivId, Level, FuncCntl3, FuncCntl4, DynRm, DynRm1 Did, Padding,ForActivity, ForThrottle, UpHyst, DownHyst, DownHyst, Throttle */ ++ { 0x3c0fd047, 0x00, 0x03, 0x1e00, 0x00200410, 0x87020000, 0, 0, 0x16, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x30750000, 0, 0, 0, 0, 0, 0, 0 } }, ++ { 0xa00fd047, 0x01, 0x04, 0x1e00, 0x00800510, 0x87020000, 0, 0, 0x16, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x409c0000, 0, 0, 0, 0, 0, 0, 0 } }, ++ { 0x0410d047, 0x01, 0x00, 0x1e00, 0x00600410, 0x87020000, 0, 0, 0x0e, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x50c30000, 0, 0, 0, 0, 0, 0, 0 } }, ++ { 0x6810d047, 0x01, 0x00, 0x1e00, 0x00800410, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x60ea0000, 0, 0, 0, 0, 0, 0, 0 } }, ++ { 0xcc10d047, 0x01, 0x00, 0x1e00, 0x00e00410, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0xe8fd0000, 0, 0, 0, 0, 0, 0, 0 } }, ++ { 0x3011d047, 0x01, 0x00, 0x1e00, 0x00400510, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x70110100, 0, 0, 0, 0, 0, 0, 0 } }, ++ { 0x9411d047, 0x01, 0x00, 0x1e00, 0x00a00510, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0xf8240100, 0, 0, 0, 0, 0, 0, 0 } }, ++ { 0xf811d047, 0x01, 0x00, 0x1e00, 0x00000610, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x80380100, 0, 0, 0, 0, 0, 0, 0 } } ++}; ++ ++SMU74_Discrete_MemoryLevel avfs_memory_level_ellesmere = {0x50140000, 0x50140000, 0x00320000, 0x00, 0x00, ++ 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x0000, 0x00, 0x00}; ++ ++/** ++* Set the address for reading/writing the SMC SRAM space. ++* @param smumgr the address of the powerplay hardware manager. ++* @param smcAddress the address in the SMC RAM to access. ++*/ ++static int ellesmere_set_smc_sram_address(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t limit) ++{ ++ PP_ASSERT_WITH_CODE((0 == (3 & smc_addr)), "SMC address must be 4 byte aligned.", return -EINVAL); ++ PP_ASSERT_WITH_CODE((limit > (smc_addr + 3)), "SMC addr is beyond the SMC RAM area.", return -EINVAL); ++ ++ cgs_write_register(smumgr->device, mmSMC_IND_INDEX_11, smc_addr); ++ SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 0); ++ ++ return 0; ++} ++ ++/** ++* Copy bytes from SMC RAM space into driver memory. ++* ++* @param smumgr the address of the powerplay SMU manager. ++* @param smc_start_address the start address in the SMC RAM to copy bytes from ++* @param src the byte array to copy the bytes to. ++* @param byte_count the number of bytes to copy. ++*/ ++int ellesmere_copy_bytes_from_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address, uint32_t *dest, uint32_t byte_count, uint32_t limit) ++{ ++ uint32_t data; ++ uint32_t addr; ++ uint8_t *dest_byte; ++ uint8_t i, data_byte[4] = {0}; ++ uint32_t *pdata = (uint32_t *)&data_byte; ++ ++ PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -1;); ++ PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -1); ++ ++ addr = smc_start_address; ++ ++ while (byte_count >= 4) { ++ ellesmere_read_smc_sram_dword(smumgr, addr, &data, limit); ++ ++ *dest = PP_SMC_TO_HOST_UL(data); ++ ++ dest += 1; ++ byte_count -= 4; ++ addr += 4; ++ } ++ ++ if (byte_count) { ++ ellesmere_read_smc_sram_dword(smumgr, addr, &data, limit); ++ *pdata = PP_SMC_TO_HOST_UL(data); ++ /* Cast dest into byte type in dest_byte. This way, we don't overflow if the allocated memory is not 4-byte aligned. */ ++ dest_byte = (uint8_t *)dest; ++ for (i = 0; i < byte_count; i++) ++ dest_byte[i] = data_byte[i]; ++ } ++ ++ return 0; ++} ++ ++/** ++* Copy bytes from an array into the SMC RAM space. ++* ++* @param pSmuMgr the address of the powerplay SMU manager. ++* @param smc_start_address the start address in the SMC RAM to copy bytes to. ++* @param src the byte array to copy the bytes from. ++* @param byte_count the number of bytes to copy. ++*/ ++int ellesmere_copy_bytes_to_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address, ++ const uint8_t *src, uint32_t byte_count, uint32_t limit) ++{ ++ int result; ++ uint32_t data = 0; ++ uint32_t original_data; ++ uint32_t addr = 0; ++ uint32_t extra_shift; ++ ++ PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -1); ++ PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -1); ++ ++ addr = smc_start_address; ++ ++ while (byte_count >= 4) { ++ /* Bytes are written into the SMC addres space with the MSB first. */ ++ data = src[0] * 0x1000000 + src[1] * 0x10000 + src[2] * 0x100 + src[3]; ++ ++ result = ellesmere_set_smc_sram_address(smumgr, addr, limit); ++ ++ if (0 != result) ++ return result; ++ ++ cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, data); ++ ++ src += 4; ++ byte_count -= 4; ++ addr += 4; ++ } ++ ++ if (0 != byte_count) { ++ ++ data = 0; ++ ++ result = ellesmere_set_smc_sram_address(smumgr, addr, limit); ++ ++ if (0 != result) ++ return result; ++ ++ ++ original_data = cgs_read_register(smumgr->device, mmSMC_IND_DATA_11); ++ ++ extra_shift = 8 * (4 - byte_count); ++ ++ while (byte_count > 0) { ++ /* Bytes are written into the SMC addres space with the MSB first. */ ++ data = (0x100 * data) + *src++; ++ byte_count--; ++ } ++ ++ data <<= extra_shift; ++ ++ data |= (original_data & ~((~0UL) << extra_shift)); ++ ++ result = ellesmere_set_smc_sram_address(smumgr, addr, limit); ++ ++ if (0 != result) ++ return result; ++ ++ cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, data); ++ } ++ ++ return 0; ++} ++ ++ ++static int ellesmere_program_jump_on_start(struct pp_smumgr *smumgr) ++{ ++ static unsigned char data[4] = { 0xE0, 0x00, 0x80, 0x40 }; ++ ++ ellesmere_copy_bytes_to_smc(smumgr, 0x0, data, 4, sizeof(data)+1); ++ ++ return 0; ++} ++ ++/** ++* Return if the SMC is currently running. ++* ++* @param smumgr the address of the powerplay hardware manager. ++*/ ++bool ellesmere_is_smc_ram_running(struct pp_smumgr *smumgr) ++{ ++ return ((0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_CLOCK_CNTL_0, ck_disable)) ++ && (0x20100 <= cgs_read_ind_register(smumgr->device, CGS_IND_REG__SMC, ixSMC_PC_C))); ++} ++ ++/** ++* Send a message to the SMC, and wait for its response. ++* ++* @param smumgr the address of the powerplay hardware manager. ++* @param msg the message to send. ++* @return The response that came from the SMC. ++*/ ++int ellesmere_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg) ++{ ++ if (!ellesmere_is_smc_ram_running(smumgr)) ++ return -1; ++ ++ SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); ++ ++ if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) ++ printk("Failed to send Previous Message.\n"); ++ ++ ++ cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg); ++ ++ SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); ++ ++ if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) ++ printk("Failed to send Message.\n"); ++ ++ return 0; ++} ++ ++ ++/** ++* Send a message to the SMC, and do not wait for its response. ++* ++* @param smumgr the address of the powerplay hardware manager. ++* @param msg the message to send. ++* @return Always return 0. ++*/ ++int ellesmere_send_msg_to_smc_without_waiting(struct pp_smumgr *smumgr, uint16_t msg) ++{ ++ cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg); ++ ++ return 0; ++} ++ ++/** ++* Send a message to the SMC with parameter ++* ++* @param smumgr: the address of the powerplay hardware manager. ++* @param msg: the message to send. ++* @param parameter: the parameter to send ++* @return The response that came from the SMC. ++*/ ++int ellesmere_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter) ++{ ++ if (!ellesmere_is_smc_ram_running(smumgr)) { ++ return -1; ++ } ++ ++ SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); ++ ++ cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter); ++ ++ return ellesmere_send_msg_to_smc(smumgr, msg); ++} ++ ++ ++/** ++* Send a message to the SMC with parameter, do not wait for response ++* ++* @param smumgr: the address of the powerplay hardware manager. ++* @param msg: the message to send. ++* @param parameter: the parameter to send ++* @return The response that came from the SMC. ++*/ ++int ellesmere_send_msg_to_smc_with_parameter_without_waiting(struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter) ++{ ++ cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter); ++ ++ return ellesmere_send_msg_to_smc_without_waiting(smumgr, msg); ++} ++ ++int ellesmere_send_msg_to_smc_offset(struct pp_smumgr *smumgr) ++{ ++ cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, 0x20000); ++ ++ cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, PPSMC_MSG_Test); ++ ++ SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); ++ ++ if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) ++ printk("Failed to send Message.\n"); ++ ++ return 0; ++} ++ ++/** ++* Wait until the SMC is doing nithing. Doing nothing means that the SMC is either turned off or it is sitting on the STOP instruction. ++* ++* @param smumgr the address of the powerplay hardware manager. ++* @param msg the message to send. ++* @return The response that came from the SMC. ++*/ ++int ellesmere_wait_for_smc_inactive(struct pp_smumgr *smumgr) ++{ ++ /* If the SMC is not even on it qualifies as inactive. */ ++ if (!ellesmere_is_smc_ram_running(smumgr)) ++ return -1; ++ ++ SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, SMC_SYSCON_CLOCK_CNTL_0, cken, 0); ++ return 0; ++} ++ ++ ++/** ++* Upload the SMC firmware to the SMC microcontroller. ++* ++* @param smumgr the address of the powerplay hardware manager. ++* @param pFirmware the data structure containing the various sections of the firmware. ++*/ ++static int ellesmere_upload_smc_firmware_data(struct pp_smumgr *smumgr, uint32_t length, uint32_t *src, uint32_t limit) ++{ ++ uint32_t byte_count = length; ++ ++ PP_ASSERT_WITH_CODE((limit >= byte_count), "SMC address is beyond the SMC RAM area.", return -1); ++ ++ cgs_write_register(smumgr->device, mmSMC_IND_INDEX_11, 0x20000); ++ SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 1); ++ ++ ++ for (; byte_count >= 4; byte_count -= 4) ++ cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, *src++); ++ ++ SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 0); ++ ++ PP_ASSERT_WITH_CODE((0 == byte_count), "SMC size must be dividable by 4.", return -1); ++ ++ return 0; ++} ++ ++static enum cgs_ucode_id ellesmere_convert_fw_type_to_cgs(uint32_t fw_type) ++{ ++ enum cgs_ucode_id result = CGS_UCODE_ID_MAXIMUM; ++ ++ switch (fw_type) { ++ case UCODE_ID_SMU: ++ result = CGS_UCODE_ID_SMU; ++ break; ++ case UCODE_ID_SDMA0: ++ result = CGS_UCODE_ID_SDMA0; ++ break; ++ case UCODE_ID_SDMA1: ++ result = CGS_UCODE_ID_SDMA1; ++ break; ++ case UCODE_ID_CP_CE: ++ result = CGS_UCODE_ID_CP_CE; ++ break; ++ case UCODE_ID_CP_PFP: ++ result = CGS_UCODE_ID_CP_PFP; ++ break; ++ case UCODE_ID_CP_ME: ++ result = CGS_UCODE_ID_CP_ME; ++ break; ++ case UCODE_ID_CP_MEC: ++ result = CGS_UCODE_ID_CP_MEC; ++ break; ++ case UCODE_ID_CP_MEC_JT1: ++ result = CGS_UCODE_ID_CP_MEC_JT1; ++ break; ++ case UCODE_ID_CP_MEC_JT2: ++ result = CGS_UCODE_ID_CP_MEC_JT2; ++ break; ++ case UCODE_ID_RLC_G: ++ result = CGS_UCODE_ID_RLC_G; ++ break; ++ default: ++ break; ++ } ++ ++ return result; ++} ++ ++static int ellesmere_upload_smu_firmware_image(struct pp_smumgr *smumgr) ++{ ++ int result = 0; ++ ++ struct cgs_firmware_info info = {0}; ++ ++ cgs_get_firmware_info(smumgr->device, ++ ellesmere_convert_fw_type_to_cgs(UCODE_ID_SMU), &info); ++ ++ /* TO DO cgs_init_samu_load_smu(smumgr->device, (uint32_t *)info.kptr, info.image_size, smu_data->post_initial_boot);*/ ++ ++ result = ellesmere_upload_smc_firmware_data(smumgr, info.image_size, (uint32_t *)info.kptr, ELLESMERE_SMC_SIZE); ++ ++ return result; ++} ++ ++/** ++* Read a 32bit value from the SMC SRAM space. ++* ALL PARAMETERS ARE IN HOST BYTE ORDER. ++* @param smumgr the address of the powerplay hardware manager. ++* @param smcAddress the address in the SMC RAM to access. ++* @param value and output parameter for the data read from the SMC SRAM. ++*/ ++int ellesmere_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t *value, uint32_t limit) ++{ ++ int result; ++ ++ result = ellesmere_set_smc_sram_address(smumgr, smc_addr, limit); ++ ++ if (result) ++ return result; ++ ++ *value = cgs_read_register(smumgr->device, mmSMC_IND_DATA_11); ++ return 0; ++} ++ ++/** ++* Write a 32bit value to the SMC SRAM space. ++* ALL PARAMETERS ARE IN HOST BYTE ORDER. ++* @param smumgr the address of the powerplay hardware manager. ++* @param smc_addr the address in the SMC RAM to access. ++* @param value to write to the SMC SRAM. ++*/ ++int ellesmere_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t value, uint32_t limit) ++{ ++ int result; ++ ++ result = ellesmere_set_smc_sram_address(smumgr, smc_addr, limit); ++ ++ if (result) ++ return result; ++ ++ cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, value); ++ ++ return 0; ++} ++ ++ ++int ellesmere_smu_fini(struct pp_smumgr *smumgr) ++{ ++ if (smumgr->backend) { ++ kfree(smumgr->backend); ++ smumgr->backend = NULL; ++ } ++ return 0; ++} ++ ++/* Convert the firmware type to SMU type mask. For MEC, we need to check all MEC related type */ ++static uint32_t ellesmere_get_mask_for_firmware_type(uint32_t fw_type) ++{ ++ uint32_t result = 0; ++ ++ switch (fw_type) { ++ case UCODE_ID_SDMA0: ++ result = UCODE_ID_SDMA0_MASK; ++ break; ++ case UCODE_ID_SDMA1: ++ result = UCODE_ID_SDMA1_MASK; ++ break; ++ case UCODE_ID_CP_CE: ++ result = UCODE_ID_CP_CE_MASK; ++ break; ++ case UCODE_ID_CP_PFP: ++ result = UCODE_ID_CP_PFP_MASK; ++ break; ++ case UCODE_ID_CP_ME: ++ result = UCODE_ID_CP_ME_MASK; ++ break; ++ case UCODE_ID_CP_MEC_JT1: ++ case UCODE_ID_CP_MEC_JT2: ++ result = UCODE_ID_CP_MEC_MASK; ++ break; ++ case UCODE_ID_RLC_G: ++ result = UCODE_ID_RLC_G_MASK; ++ break; ++ default: ++ printk("UCode type is out of range! \n"); ++ result = 0; ++ } ++ ++ return result; ++} ++ ++/* Populate one firmware image to the data structure */ ++ ++static int ellesmere_populate_single_firmware_entry(struct pp_smumgr *smumgr, ++ uint32_t fw_type, ++ struct SMU_Entry *entry) ++{ ++ int result = 0; ++ struct cgs_firmware_info info = {0}; ++ ++ result = cgs_get_firmware_info(smumgr->device, ++ ellesmere_convert_fw_type_to_cgs(fw_type), ++ &info); ++ ++ if (!result) { ++ entry->version = info.version; ++ entry->id = (uint16_t)fw_type; ++ entry->image_addr_high = smu_upper_32_bits(info.mc_addr); ++ entry->image_addr_low = smu_lower_32_bits(info.mc_addr); ++ entry->meta_data_addr_high = 0; ++ entry->meta_data_addr_low = 0; ++ entry->data_size_byte = info.image_size; ++ entry->num_register_entries = 0; ++ } ++ ++ if (fw_type == UCODE_ID_RLC_G) ++ entry->flags = 1; ++ else ++ entry->flags = 0; ++ ++ return 0; ++} ++ ++static int ellesmere_request_smu_load_fw(struct pp_smumgr *smumgr) ++{ ++ struct ellesmere_smumgr *smu_data = (struct ellesmere_smumgr *)(smumgr->backend); ++ uint32_t fw_to_load; ++ ++ int result = 0; ++ struct SMU_DRAMData_TOC *toc; ++ ++ if (!smumgr->reload_fw) { ++ printk(KERN_INFO "[ powerplay ] skip reloading...\n"); ++ return 0; ++ } ++ ++ if (smu_data->soft_regs_start) ++ cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ++ smu_data->soft_regs_start + offsetof(SMU74_SoftRegisters, UcodeLoadStatus), ++ 0x0); ++ ++ ellesmere_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_SMU_DRAM_ADDR_HI, smu_data->smu_buffer.mc_addr_high); ++ ellesmere_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_SMU_DRAM_ADDR_LO, smu_data->smu_buffer.mc_addr_low); ++ ++ toc = (struct SMU_DRAMData_TOC *)smu_data->header; ++ toc->num_entries = 0; ++ toc->structure_version = 1; ++ ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_RLC_G, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_CP_CE, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_CP_PFP, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_CP_ME, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC_JT1, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC_JT2, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_SDMA0, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ PP_ASSERT_WITH_CODE(0 == ellesmere_populate_single_firmware_entry(smumgr, UCODE_ID_SDMA1, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); ++ ++ ellesmere_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_HI, smu_data->header_buffer.mc_addr_high); ++ ellesmere_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_LO, smu_data->header_buffer.mc_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 (ellesmere_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_LoadUcodes, fw_to_load)) ++ printk(KERN_ERR "Fail to Request SMU Load uCode"); ++ ++ return result; ++} ++ ++/* Check if the FW has been loaded, SMU will not return if loading has not finished. */ ++static int ellesmere_check_fw_load_finish(struct pp_smumgr *smumgr, uint32_t fw_type) ++{ ++ struct ellesmere_smumgr *smu_data = (struct ellesmere_smumgr *)(smumgr->backend); ++ uint32_t fw_mask = ellesmere_get_mask_for_firmware_type(fw_type); ++ uint32_t ret; ++ /* Check SOFT_REGISTERS_TABLE_28.UcodeLoadStatus */ ++ ret = smum_wait_on_indirect_register(smumgr, mmSMC_IND_INDEX_11, ++ smu_data->soft_regs_start + offsetof(SMU74_SoftRegisters, UcodeLoadStatus), ++ fw_mask, fw_mask); ++ ++ return ret; ++} ++ ++static int ellesmere_reload_firmware(struct pp_smumgr *smumgr) ++{ ++ return smumgr->smumgr_funcs->start_smu(smumgr); ++} ++ ++static int ellesmere_setup_pwr_virus(struct pp_smumgr *smumgr) ++{ ++ int i; ++ int result = -1; ++ uint32_t reg, data; ++ ++ PWR_Command_Table *pvirus = pwr_virus_table; ++ struct ellesmere_smumgr *smu_data = (struct ellesmere_smumgr *)(smumgr->backend); ++ ++ ++ for (i = 0; i < PWR_VIRUS_TABLE_SIZE; i++) { ++ switch (pvirus->command) { ++ case PwrCmdWrite: ++ reg = pvirus->reg; ++ data = pvirus->data; ++ cgs_write_register(smumgr->device, reg, data); ++ break; ++ ++ case PwrCmdEnd: ++ result = 0; ++ break; ++ ++ default: ++ printk("Table Exit with Invalid Command!"); ++ smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL; ++ result = -1; ++ break; ++ } ++ pvirus++; ++ } ++ ++ return result; ++} ++ ++static int ellesmere_perform_btc(struct pp_smumgr *smumgr) ++{ ++ int result = 0; ++ struct ellesmere_smumgr *smu_data = (struct ellesmere_smumgr *)(smumgr->backend); ++ ++ if (0 != smu_data->avfs.avfs_btc_param) { ++ if (0 != ellesmere_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_PerformBtc, smu_data->avfs.avfs_btc_param)) { ++ printk("[AVFS][SmuEllesmere_PerformBtc] PerformBTC SMU msg failed"); ++ result = -1; ++ } ++ } ++ if (smu_data->avfs.avfs_btc_param > 1) { ++ /* Soft-Reset to reset the engine before loading uCode */ ++ /* halt */ ++ cgs_write_register(smumgr->device, mmCP_MEC_CNTL, 0x50000000); ++ /* reset everything */ ++ cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0xffffffff); ++ cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0); ++ } ++ return result; ++} ++ ++ ++int ellesmere_setup_graphics_level_structure(struct pp_smumgr *smumgr) ++{ ++ uint32_t vr_config; ++ uint32_t dpm_table_start; ++ ++ uint16_t u16_boot_mvdd; ++ uint32_t graphics_level_address, vr_config_address, graphics_level_size; ++ ++ graphics_level_size = sizeof(avfs_graphics_level_ellesmere); ++ u16_boot_mvdd = PP_HOST_TO_SMC_US(1300 * VOLTAGE_SCALE); ++ ++ PP_ASSERT_WITH_CODE(0 == ellesmere_read_smc_sram_dword(smumgr, ++ SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, DpmTable), ++ &dpm_table_start, 0x40000), ++ "[AVFS][Ellesmere_SetupGfxLvlStruct] SMU could not communicate starting address of DPM table", ++ return -1); ++ ++ /* Default value for VRConfig = VR_MERGED_WITH_VDDC + VR_STATIC_VOLTAGE(VDDCI) */ ++ vr_config = 0x01000500; /* Real value:0x50001 */ ++ ++ vr_config_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, VRConfig); ++ ++ PP_ASSERT_WITH_CODE(0 == ellesmere_copy_bytes_to_smc(smumgr, vr_config_address, ++ (uint8_t *)&vr_config, sizeof(uint32_t), 0x40000), ++ "[AVFS][Ellesmere_SetupGfxLvlStruct] Problems copying VRConfig value over to SMC", ++ return -1); ++ ++ graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, GraphicsLevel); ++ ++ PP_ASSERT_WITH_CODE(0 == ellesmere_copy_bytes_to_smc(smumgr, graphics_level_address, ++ (uint8_t *)(&avfs_graphics_level_ellesmere), ++ graphics_level_size, 0x40000), ++ "[AVFS][Ellesmere_SetupGfxLvlStruct] Copying of SCLK DPM table failed!", ++ return -1); ++ ++ graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, MemoryLevel); ++ ++ PP_ASSERT_WITH_CODE(0 == ellesmere_copy_bytes_to_smc(smumgr, graphics_level_address, ++ (uint8_t *)(&avfs_memory_level_ellesmere), sizeof(avfs_memory_level_ellesmere), 0x40000), ++ "[AVFS][Ellesmere_SetupGfxLvlStruct] Copying of MCLK DPM table failed!", ++ return -1); ++ ++ /* MVDD Boot value - neccessary for getting rid of the hang that occurs during Mclk DPM enablement */ ++ ++ graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, BootMVdd); ++ ++ PP_ASSERT_WITH_CODE(0 == ellesmere_copy_bytes_to_smc(smumgr, graphics_level_address, ++ (uint8_t *)(&u16_boot_mvdd), sizeof(u16_boot_mvdd), 0x40000), ++ "[AVFS][Ellesmere_SetupGfxLvlStruct] Copying of DPM table failed!", ++ return -1); ++ ++ return 0; ++} ++ ++int ellesmere_avfs_event_mgr(struct pp_smumgr *smumgr, bool SMU_VFT_INTACT) ++{ ++ struct ellesmere_smumgr *smu_data = (struct ellesmere_smumgr *)(smumgr->backend); ++ ++ switch (smu_data->avfs.avfs_btc_status) { ++ case AVFS_BTC_COMPLETED_PREVIOUSLY: ++ break; ++ ++ case AVFS_BTC_BOOT: /* Cold Boot State - Post SMU Start */ ++ ++ smu_data->avfs.avfs_btc_status = AVFS_BTC_DPMTABLESETUP_FAILED; ++ PP_ASSERT_WITH_CODE(0 == ellesmere_setup_graphics_level_structure(smumgr), ++ "[AVFS][Ellesmere_AVFSEventMgr] Could not Copy Graphics Level table over to SMU", ++ return -1); ++ ++ if (smu_data->avfs.avfs_btc_param > 1) { ++ printk("[AVFS][Ellesmere_AVFSEventMgr] AC BTC has not been successfully verified on Fiji. There may be in this setting."); ++ smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL; ++ PP_ASSERT_WITH_CODE(-1 == ellesmere_setup_pwr_virus(smumgr), ++ "[AVFS][Ellesmere_AVFSEventMgr] Could not setup Pwr Virus for AVFS ", ++ return -1); ++ } ++ ++ smu_data->avfs.avfs_btc_status = AVFS_BTC_FAILED; ++ PP_ASSERT_WITH_CODE(0 == ellesmere_perform_btc(smumgr), ++ "[AVFS][Ellesmere_AVFSEventMgr] Failure at SmuEllesmere_PerformBTC. AVFS Disabled", ++ return -1); ++ ++ break; ++ ++ case AVFS_BTC_DISABLED: ++ case AVFS_BTC_NOTSUPPORTED: ++ break; ++ ++ default: ++ printk("[AVFS] Something is broken. See log!"); ++ break; ++ } ++ ++ return 0; ++} ++ ++static int ellesmere_start_smu_in_protection_mode(struct pp_smumgr *smumgr) ++{ ++ int result = 0; ++ ++ /* Wait for smc boot up */ ++ /* SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, RCU_UC_EVENTS, boot_seq_done, 0) */ ++ ++ /* Assert reset */ ++ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMC_SYSCON_RESET_CNTL, rst_reg, 1); ++ ++ result = ellesmere_upload_smu_firmware_image(smumgr); ++ if (result != 0) ++ return result; ++ ++ /* Clear status */ ++ cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixSMU_STATUS, 0); ++ ++ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0); ++ ++ /* De-assert reset */ ++ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMC_SYSCON_RESET_CNTL, rst_reg, 0); ++ ++ ++ SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, RCU_UC_EVENTS, INTERRUPTS_ENABLED, 1); ++ ++ ++ /* Call Test SMU message with 0x20000 offset to trigger SMU start */ ++ ellesmere_send_msg_to_smc_offset(smumgr); ++ ++ /* Wait done bit to be set */ ++ /* Check pass/failed indicator */ ++ ++ SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, SMU_STATUS, SMU_DONE, 0); ++ ++ if (1 != SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMU_STATUS, SMU_PASS)) ++ PP_ASSERT_WITH_CODE(false, "SMU Firmware start failed!", return -1); ++ ++ ++ cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixFIRMWARE_FLAGS, 0); ++ ++ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMC_SYSCON_RESET_CNTL, rst_reg, 1); ++ ++ ++ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMC_SYSCON_RESET_CNTL, rst_reg, 0); ++ ++ /* Wait for firmware to initialize */ ++ SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); ++ ++ return result; ++} ++ ++static int ellesmere_start_smu_in_non_protection_mode(struct pp_smumgr *smumgr) ++{ ++ int result = 0; ++ ++ /* wait for smc boot up */ ++ SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, RCU_UC_EVENTS, boot_seq_done, 0); ++ ++ /* Clear firmware interrupt enable flag */ ++ /* SMUM_WRITE_VFPF_INDIRECT_FIELD(pSmuMgr, SMC_IND, SMC_SYSCON_MISC_CNTL, pre_fetcher_en, 1); */ ++ cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ++ ixFIRMWARE_FLAGS, 0); ++ ++ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMC_SYSCON_RESET_CNTL, ++ rst_reg, 1); ++ ++ result = ellesmere_upload_smu_firmware_image(smumgr); ++ if (result != 0) ++ return result; ++ ++ /* Set smc instruct start point at 0x0 */ ++ ellesmere_program_jump_on_start(smumgr); ++ ++ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0); ++ ++ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, ++ SMC_SYSCON_RESET_CNTL, rst_reg, 0); ++ ++ /* Wait for firmware to initialize */ ++ ++ SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, ++ FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); ++ ++ return result; ++} ++ ++static int ellesmere_start_smu(struct pp_smumgr *smumgr) ++{ ++ int result = 0; ++ struct ellesmere_smumgr *smu_data = (struct ellesmere_smumgr *)(smumgr->backend); ++ bool SMU_VFT_INTACT; ++ ++ /* Only start SMC if SMC RAM is not running */ ++ if (!ellesmere_is_smc_ram_running(smumgr)) { ++ SMU_VFT_INTACT = false; ++ /* Check if SMU is running in protected mode */ ++ if (0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMU_FIRMWARE, SMU_MODE)) ++ result = ellesmere_start_smu_in_non_protection_mode(smumgr); ++ else ++ result = ellesmere_start_smu_in_protection_mode(smumgr); ++ ++ if (result != 0) ++ PP_ASSERT_WITH_CODE(0, "Failed to load SMU ucode.", return result); ++ ++ ellesmere_avfs_event_mgr(smumgr, true); ++ } else ++ SMU_VFT_INTACT = true; /*Driver went offline but SMU was still alive and contains the VFT table */ ++ ++ smu_data->post_initial_boot = true; ++ ellesmere_avfs_event_mgr(smumgr, SMU_VFT_INTACT); ++ /* Setup SoftRegsStart here for register lookup in case DummyBackEnd is used and ProcessFirmwareHeader is not executed */ ++ ellesmere_read_smc_sram_dword(smumgr, SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, SoftRegisters), ++ &(smu_data->soft_regs_start), 0x40000); ++ ++ result = ellesmere_request_smu_load_fw(smumgr); ++ ++ return result; ++} ++ ++static int ellesmere_smu_init(struct pp_smumgr *smumgr) ++{ ++ struct ellesmere_smumgr *smu_data; ++ uint8_t *internal_buf; ++ uint64_t mc_addr = 0; ++ /* Allocate memory for backend private data */ ++ smu_data = (struct ellesmere_smumgr *)(smumgr->backend); ++ smu_data->header_buffer.data_size = ++ ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096; ++ smu_data->smu_buffer.data_size = 200*4096; ++ smu_data->avfs.avfs_btc_status = AVFS_BTC_NOTSUPPORTED; ++/* Allocate FW image data structure and header buffer and ++ * send the header buffer address to SMU */ ++ smu_allocate_memory(smumgr->device, ++ smu_data->header_buffer.data_size, ++ CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB, ++ PAGE_SIZE, ++ &mc_addr, ++ &smu_data->header_buffer.kaddr, ++ &smu_data->header_buffer.handle); ++ ++ smu_data->header = smu_data->header_buffer.kaddr; ++ smu_data->header_buffer.mc_addr_high = smu_upper_32_bits(mc_addr); ++ smu_data->header_buffer.mc_addr_low = smu_lower_32_bits(mc_addr); ++ ++ PP_ASSERT_WITH_CODE((NULL != smu_data->header), ++ "Out of memory.", ++ kfree(smumgr->backend); ++ cgs_free_gpu_mem(smumgr->device, ++ (cgs_handle_t)smu_data->header_buffer.handle); ++ return -1); ++ ++/* Allocate buffer for SMU internal buffer and send the address to SMU. ++ * Iceland SMU does not need internal buffer.*/ ++ smu_allocate_memory(smumgr->device, ++ smu_data->smu_buffer.data_size, ++ CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB, ++ PAGE_SIZE, ++ &mc_addr, ++ &smu_data->smu_buffer.kaddr, ++ &smu_data->smu_buffer.handle); ++ ++ internal_buf = smu_data->smu_buffer.kaddr; ++ smu_data->smu_buffer.mc_addr_high = smu_upper_32_bits(mc_addr); ++ smu_data->smu_buffer.mc_addr_low = smu_lower_32_bits(mc_addr); ++ ++ PP_ASSERT_WITH_CODE((NULL != internal_buf), ++ "Out of memory.", ++ kfree(smumgr->backend); ++ cgs_free_gpu_mem(smumgr->device, ++ (cgs_handle_t)smu_data->smu_buffer.handle); ++ return -1;); ++ ++ return 0; ++} ++ ++static const struct pp_smumgr_func ellsemere_smu_funcs = { ++ .smu_init = ellesmere_smu_init, ++ .smu_fini = ellesmere_smu_fini, ++ .start_smu = ellesmere_start_smu, ++ .check_fw_load_finish = ellesmere_check_fw_load_finish, ++ .request_smu_load_fw = ellesmere_reload_firmware, ++ .request_smu_load_specific_fw = NULL, ++ .send_msg_to_smc = ellesmere_send_msg_to_smc, ++ .send_msg_to_smc_with_parameter = ellesmere_send_msg_to_smc_with_parameter, ++ .download_pptable_settings = NULL, ++ .upload_pptable_settings = NULL, ++}; ++ ++int ellesmere_smum_init(struct pp_smumgr *smumgr) ++{ ++ struct ellesmere_smumgr *ellesmere_smu = NULL; ++ ++ ellesmere_smu = kzalloc(sizeof(struct ellesmere_smumgr), GFP_KERNEL); ++ ++ if (ellesmere_smu == NULL) ++ return -1; ++ ++ smumgr->backend = ellesmere_smu; ++ smumgr->smumgr_funcs = &ellsemere_smu_funcs; ++ ++ return 0; ++} +diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.h +new file mode 100644 +index 0000000..3712b32 +--- /dev/null ++++ b/drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.h +@@ -0,0 +1,66 @@ ++/* ++ * Copyright 2015 Advanced Micro Devices, Inc. ++ * ++ * 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. ++ * ++ */ ++ ++#ifndef _ELLESMERE_SMUMANAGER_H ++#define _ELLESMERE_SMUMANAGER_H ++ ++#include <ellesmere_ppsmc.h> ++#include <pp_endian.h> ++ ++struct ellesmere_avfs { ++ enum AVFS_BTC_STATUS avfs_btc_status; ++ uint32_t avfs_btc_param; ++}; ++ ++struct ellesmere_buffer_entry { ++ uint32_t data_size; ++ uint32_t mc_addr_low; ++ uint32_t mc_addr_high; ++ void *kaddr; ++ unsigned long handle; ++}; ++ ++struct ellesmere_smumgr { ++ uint8_t *header; ++ uint8_t *mec_image; ++ struct ellesmere_buffer_entry smu_buffer; ++ struct ellesmere_buffer_entry header_buffer; ++ uint32_t soft_regs_start; ++ uint8_t *read_rrm_straps; ++ uint32_t read_drm_straps_mc_address_high; ++ uint32_t read_drm_straps_mc_address_low; ++ uint32_t acpi_optimization; ++ bool post_initial_boot; ++ struct ellesmere_avfs avfs; ++}; ++ ++ ++int ellesmere_smum_init(struct pp_smumgr *smumgr); ++ ++int ellesmere_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t *value, uint32_t limit); ++int ellesmere_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t value, uint32_t limit); ++int ellesmere_copy_bytes_to_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address, ++ const uint8_t *src, uint32_t byte_count, uint32_t limit); ++ ++#endif ++ +diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c +index 063ae71..06bbe90 100644 +--- a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c ++++ b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c +@@ -30,6 +30,7 @@ + #include "cz_smumgr.h" + #include "tonga_smumgr.h" + #include "fiji_smumgr.h" ++#include "ellesmere_smumgr.h" + + int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle) + { +@@ -62,6 +63,10 @@ int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle) + case CHIP_FIJI: + fiji_smum_init(smumgr); + break; ++ case CHIP_BAFFIN: ++ case CHIP_ELLESMERE: ++ ellesmere_smum_init(smumgr); ++ break; + default: + return -EINVAL; + } +-- +2.7.4 + |