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drm/amdgpu: Add bootloader wait for PSP v13

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Implement the wait for bootloader call back for PSP v13.0 ASICs. Only
for ASICs with PSP v13.0.6, it needs an additional check for VBIOS
mailbox status.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Tested-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2023-07-19 13:17:22 +05:30
committed by Alex Deucher
parent 1c6b6bd078
commit e370f8f389
1 changed files with 26 additions and 2 deletions
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28
drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
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@@ -133,12 +133,35 @@ static bool psp_v13_0_is_sos_alive(struct psp_context *psp)
return sol_reg != 0x0;
}
static int psp_v13_0_wait_for_vmbx_ready(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
int retry_loop, ret;
for (retry_loop = 0; retry_loop < 70; retry_loop++) {
/* Wait for bootloader to signify that is
ready having bit 31 of C2PMSG_33 set to 1 */
ret = psp_wait_for(
psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_33),
0x80000000, 0xffffffff, false);
if (ret == 0)
break;
}
if (ret)
dev_warn(adev->dev, "Bootloader wait timed out");
return ret;
}
static int psp_v13_0_wait_for_bootloader(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
int retry_loop, ret;
int ret;
int retry_loop;
if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(13, 0, 6))
psp_v13_0_wait_for_vmbx_ready(psp);
/* Wait for bootloader to signify that it is ready having bit 31 of
* C2PMSG_35 set to 1. All other bits are expected to be cleared.
@@ -714,6 +737,7 @@ static int psp_v13_0_fatal_error_recovery_quirk(struct psp_context *psp)
static const struct psp_funcs psp_v13_0_funcs = {
.init_microcode = psp_v13_0_init_microcode,
.wait_for_bootloader = psp_v13_0_wait_for_bootloader,
.bootloader_load_kdb = psp_v13_0_bootloader_load_kdb,
.bootloader_load_spl = psp_v13_0_bootloader_load_spl,
.bootloader_load_sysdrv = psp_v13_0_bootloader_load_sysdrv,