diff options
| author | Shyam Sundar S K <Shyam-sundar.S-k@amd.com> | 2023-12-28 13:21:04 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2024-01-02 15:40:31 +0300 |
| commit | 236f7d8034ff401d02fa6d74bae494a2b54e1834 (patch) | |
| tree | a92ce1c102ea26366b9281aa35f828ef25cecda4 /drivers/platform | |
| parent | d33e992ec87a7a7b1839fac38573d2c0721569f9 (diff) | |
| download | linux-236f7d8034ff401d02fa6d74bae494a2b54e1834.tar.xz | |
platform/x86/amd/pmc: Modify SMU message port for latest AMD platform
The latest platforms use a different SMU message port(0x938) from the one
currently being used (0x538). Make code changes to adapt to this new
information.
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20231228102104.1785383-7-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/amd/pmc/pmc.c | 8 | ||||
| -rw-r--r-- | drivers/platform/x86/amd/pmc/pmc.h | 1 |
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c index 3845cbd17f71..108e12fd580f 100644 --- a/drivers/platform/x86/amd/pmc/pmc.c +++ b/drivers/platform/x86/amd/pmc/pmc.c @@ -31,7 +31,6 @@ #include "pmc.h" /* SMU communication registers */ -#define AMD_PMC_REGISTER_MESSAGE 0x538 #define AMD_PMC_REGISTER_RESPONSE 0x980 #define AMD_PMC_REGISTER_ARGUMENT 0x9BC @@ -352,14 +351,17 @@ static void amd_pmc_get_ip_info(struct amd_pmc_dev *dev) case AMD_CPU_ID_CB: dev->num_ips = 12; dev->s2d_msg_id = 0xBE; + dev->smu_msg = 0x538; break; case AMD_CPU_ID_PS: dev->num_ips = 21; dev->s2d_msg_id = 0x85; + dev->smu_msg = 0x538; break; case PCI_DEVICE_ID_AMD_1AH_M20H_ROOT: dev->num_ips = 22; dev->s2d_msg_id = 0xDE; + dev->smu_msg = 0x938; break; } } @@ -663,7 +665,7 @@ static void amd_pmc_dump_registers(struct amd_pmc_dev *dev) argument = AMD_S2D_REGISTER_ARGUMENT; response = AMD_S2D_REGISTER_RESPONSE; } else { - message = AMD_PMC_REGISTER_MESSAGE; + message = dev->smu_msg; argument = AMD_PMC_REGISTER_ARGUMENT; response = AMD_PMC_REGISTER_RESPONSE; } @@ -690,7 +692,7 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, u32 arg, u32 *data, u8 msg, argument = AMD_S2D_REGISTER_ARGUMENT; response = AMD_S2D_REGISTER_RESPONSE; } else { - message = AMD_PMC_REGISTER_MESSAGE; + message = dev->smu_msg; argument = AMD_PMC_REGISTER_ARGUMENT; response = AMD_PMC_REGISTER_RESPONSE; } diff --git a/drivers/platform/x86/amd/pmc/pmc.h b/drivers/platform/x86/amd/pmc/pmc.h index b4794f118739..827eef65e133 100644 --- a/drivers/platform/x86/amd/pmc/pmc.h +++ b/drivers/platform/x86/amd/pmc/pmc.h @@ -26,6 +26,7 @@ struct amd_pmc_dev { u32 dram_size; u32 num_ips; u32 s2d_msg_id; + u32 smu_msg; /* SMU version information */ u8 smu_program; u8 major; |