diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/tigerlake/acpi/tcss.asl | 143 |
1 files changed, 1 insertions, 142 deletions
diff --git a/src/soc/intel/tigerlake/acpi/tcss.asl b/src/soc/intel/tigerlake/acpi/tcss.asl index 608b46450d..588ed5e285 100644 --- a/src/soc/intel/tigerlake/acpi/tcss.asl +++ b/src/soc/intel/tigerlake/acpi/tcss.asl @@ -363,12 +363,6 @@ Scope (\_SB.PCI0) Offset(0x10), RBAR, 64 /* RegBar, offset 0x7110 in MCHBAR */ } - Field (MBAR, DWordAcc, NoLock, Preserve) - { - Offset(0x304), /* PRIMDN_MASK1_0_0_0_MCHBAR_IMPH, offset 0x7404 */ - , 31, - TCD3, 1 /* [31:31] TCSS IN D3 bit */ - } /* * Operation region defined to access the pCode mailbox interface. Get the MCHBAR @@ -405,101 +399,6 @@ Scope (\_SB.PCI0) } /* - * Method to send pCode MailBox command TCSS_DEVEN_MAILBOX_SUBCMD_GET_STATUS - * - * Result will be updated in DATA[1:0] - * DATA[0:0] TCSS_DEVEN_CURRENT_STATE: - * 0 - TCSS Deven in normal state. - * 1 - TCSS Deven is cleared by BIOS Mailbox request. - * DATA[1:1] TCSS_DEVEN_REQUEST_STATUS: - * 0 - IDLE. TCSS DEVEN has reached its final requested state. - * 1 - In Progress. TCSS DEVEN is currently in progress of switching state - * according to given request (bit 0 reflects source state). - * - * Return 0x00 - TCSS Deven in normal state - * 0x01 - TCSS Deven is cleared by BIOS Mailbox request - * 0x1x - TCSS Deven is in progress of switching state according to given request - * 0xFE - Command timeout - * 0xFF - Command corrupt - */ - Method (DSGS, 0) - { - If ((PMBY () == 0)) { - PMBC = MAILBOX_BIOS_CMD_TCSS_DEVEN_INTERFACE - PSCM = TCSS_DEVEN_MAILBOX_SUBCMD_GET_STATUS - PMBR = 1 - If (PMBY () == 0) { - Local0 = PMBD - Local1 = PMBC - Stall (10) - If ((Local0 != PMBD) || (Local1 != PMBC)) { - Printf("pCode MailBox is corrupt.") - Return (0xFF) - } - Return (Local0) - } Else { - Printf("pCode MailBox is not ready.") - Return (0xFE) - } - } Else { - Printf("pCode MailBox is not ready.") - Return (0xFE) - } - } - - /* - * Method to send pCode MailBox command TCSS_DEVEN_MAILBOX_SUBCMD_TCSS_CHANGE_REQ - * - * Arg0 : 0 - Restore to previously saved value of TCSS DEVEN - * 1 - Save current TCSS DEVEN value and clear it - * - * Return 0x00 - MAILBOX_BIOS_CMD_CLEAR_TCSS_DEVEN command completed - * 0xFD - Input argument is invalid - * 0xFE - Command timeout - * 0xFF - Command corrupt - */ - Method (DSCR, 1) - { - If (Arg0 > 1) { - Printf("pCode MailBox is corrupt.") - Return (0xFD) - } - If ((PMBY () == 0)) { - PMBC = MAILBOX_BIOS_CMD_TCSS_DEVEN_INTERFACE - PSCM = TCSS_DEVEN_MAILBOX_SUBCMD_TCSS_CHANGE_REQ - PMBD = Arg0 - PMBR = 1 - If ((PMBY () == 0)) { - Local0 = PMBD - Local1 = PMBC - Stall (10) - If ((Local0 != PMBD) || (Local1 != PMBC)) { - Printf("pCode MailBox is corrupt.") - Return (0xFF) - } - /* Poll TCSS_DEVEN_REQUEST_STATUS, timeout value is 10ms. */ - Local0 = 0 - While ((DSGS () & 0x10) && (Local0 < 100)) { - Stall (100) - Local0++ - } - If (Local0 == 100) { - Printf("pCode MailBox is not ready.") - Return (0xFE) - } Else { - Return (0x00) - } - } Else { - Printf("pCode MailBox is not ready.") - Return (0xFE) - } - } Else { - Printf("pCode MailBox is not ready.") - Return (0xFE) - } - } - - /* * IOM REG BAR Base address is in offset 0x7110 in MCHBAR. */ Method (IOMA, 0) @@ -707,26 +606,7 @@ Scope (\_SB.PCI0) } Else { - /* - * Program IOP MCTP Drop (TCSS_IN_D3) after D3 cold exit and - * acknowledgement by IOM. - */ - TCD3 = 0 - /* - * If the TCSS Deven is cleared by BIOS Mailbox request, then - * restore to previously saved value of TCSS DEVNE. - */ - Local0 = 0 - While (\_SB.PCI0.TXHC.VDID == 0xFFFFFFFF) { - If (DSGS () == 1) { - DSCR (0) - } - Local0++ - If (Local0 == 5) { - Printf("pCode mailbox command failed.") - Break - } - } + Printf("TCSS D3 exit."); } } Else { @@ -743,27 +623,6 @@ Scope (\_SB.PCI0) Return } - /* - * If the TCSS Deven in normal state, then Save current TCSS DEVEN value and - * clear it. - */ - Local0 = 0 - While (\_SB.PCI0.TXHC.VDID != 0xFFFFFFFF) { - If (DSGS () == 0) { - DSCR (1) - } - Local0++ - If (Local0 == 5) { - Printf("pCode mailbox command failed.") - Break - } - } - - /* - * Program IOM MCTP Drop (TCSS_IN_D3) in D3Cold entry before entering D3 cold. - */ - TCD3 = 1 - /* Request IOM for D3 cold entry sequence. */ TD3C = 1 } |