From: Likun Gao <Likun.Gao@xxxxxxx>
Add support for loading SPL firmware.
Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 8 ++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 4 +++
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 34 +++++++++++++++++++++++++
3 files changed, 46 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index cd52b6e05793..cdd65b577986 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1355,6 +1355,14 @@ static int psp_hw_start(struct psp_context *psp)
}
}
+ if (psp->spl_bin_size) {
+ ret = psp_bootloader_load_spl(psp);
+ if (ret) {
+ DRM_ERROR("PSP load spl failed!\n");
+ return ret;
+ }
+ }
+
ret = psp_bootloader_load_sysdrv(psp);
if (ret) {
DRM_ERROR("PSP load sysdrv failed!\n");
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index e66958a01458..1513887e7a68 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -50,6 +50,7 @@ enum psp_bootloader_cmd {
PSP_BL__LOAD_KEY_DATABASE = 0x80000,
PSP_BL__DRAM_LONG_TRAIN = 0x100000,
PSP_BL__DRAM_SHORT_TRAIN = 0x200000,
+ PSP_BL__LOAD_TOS_SPL_TABLE = 0x10000000,
};
enum psp_ring_type
@@ -84,6 +85,7 @@ struct psp_funcs
{
int (*init_microcode)(struct psp_context *psp);
int (*bootloader_load_kdb)(struct psp_context *psp);
+ int (*bootloader_load_spl)(struct psp_context *psp);
int (*bootloader_load_sysdrv)(struct psp_context *psp);
int (*bootloader_load_sos)(struct psp_context *psp);
int (*ring_init)(struct psp_context *psp, enum psp_ring_type ring_type);
@@ -298,6 +300,8 @@ struct amdgpu_psp_funcs {
((psp)->funcs->init_microcode ? (psp)->funcs->init_microcode((psp)) : 0)
#define psp_bootloader_load_kdb(psp) \
((psp)->funcs->bootloader_load_kdb ? (psp)->funcs->bootloader_load_kdb((psp)) : 0)
+#define psp_bootloader_load_spl(psp) \
+ ((psp)->funcs->bootloader_load_spl ? (psp)->funcs->bootloader_load_spl((psp)) : 0)
#define psp_bootloader_load_sysdrv(psp) \
((psp)->funcs->bootloader_load_sysdrv ? (psp)->funcs->bootloader_load_sysdrv((psp)) : 0)
#define psp_bootloader_load_sos(psp) \
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index 234ba127ec2e..423386272920 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -252,6 +252,39 @@ static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
return ret;
}
+static int psp_v11_0_bootloader_load_spl(struct psp_context *psp)
+{
+ int ret;
+ uint32_t psp_gfxdrv_command_reg = 0;
+ struct amdgpu_device *adev = psp->adev;
+
+ /* Check tOS sign of life register to confirm sys driver and sOS
+ * are already been loaded.
+ */
+ if (psp_v11_0_is_sos_alive(psp))
+ return 0;
+
+ ret = psp_v11_0_wait_for_bootloader(psp);
+ if (ret)
+ return ret;
+
+ memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+
+ /* Copy PSP SPL binary to memory */
+ memcpy(psp->fw_pri_buf, psp->spl_start_addr, psp->spl_bin_size);
+
+ /* Provide the PSP SPL to bootloader */
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
+ (uint32_t)(psp->fw_pri_mc_addr >> 20));
+ psp_gfxdrv_command_reg = PSP_BL__LOAD_TOS_SPL_TABLE;
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
+ psp_gfxdrv_command_reg);
+
+ ret = psp_v11_0_wait_for_bootloader(psp);
+
+ return ret;
+}
+
static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
{
int ret;
@@ -785,6 +818,7 @@ static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
static const struct psp_funcs psp_v11_0_funcs = {
.init_microcode = psp_v11_0_init_microcode,
.bootloader_load_kdb = psp_v11_0_bootloader_load_kdb,
+ .bootloader_load_spl = psp_v11_0_bootloader_load_spl,
.bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
.bootloader_load_sos = psp_v11_0_bootloader_load_sos,
.ring_init = psp_v11_0_ring_init,
--
2.25.4
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