From: Kenneth Feng <[email protected]> enable backdoor smu fw loading on navi10
v2: squash in define fix (Alex) Signed-off-by: Kenneth Feng <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h | 1 + drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 33 +++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h index 02c965d64256..cd5e66b82ce1 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h +++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h @@ -30,6 +30,7 @@ #define MP0_SRAM 0x03900000 #define MP1_Public 0x03b00000 #define MP1_SRAM 0x03c00004 +#define MP1_SMC_SIZE 0x40000 /* address block */ #define smnMP1_FIRMWARE_FLAGS 0x3010024 diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 4dcbf6ee7e8e..2d55b825497f 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -207,6 +207,39 @@ static int smu_v11_0_init_microcode(struct smu_context *smu) static int smu_v11_0_load_microcode(struct smu_context *smu) { + struct amdgpu_device *adev = smu->adev; + const uint32_t *src; + const struct smc_firmware_header_v1_0 *hdr; + uint32_t addr_start = MP1_SRAM; + uint32_t i; + uint32_t mp1_fw_flags; + + hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data; + src = (const uint32_t *)(adev->pm.fw->data + + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); + + for (i = 1; i < MP1_SMC_SIZE/4 - 1; i++) { + WREG32_PCIE(addr_start, src[i]); + addr_start += 4; + } + + WREG32_PCIE(MP1_Public | (smnMP1_PUB_CTRL & 0xffffffff), + 1 & MP1_SMN_PUB_CTRL__RESET_MASK); + WREG32_PCIE(MP1_Public | (smnMP1_PUB_CTRL & 0xffffffff), + 1 & ~MP1_SMN_PUB_CTRL__RESET_MASK); + + for (i = 0; i < adev->usec_timeout; i++) { + mp1_fw_flags = RREG32_PCIE(MP1_Public | + (smnMP1_FIRMWARE_FLAGS & 0xffffffff)); + if ((mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >> + MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT) + break; + udelay(1); + } + + if (i == adev->usec_timeout) + return -ETIME; + return 0; } -- 2.20.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
