| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include "imc.h" |
| #include <amdblocks/acpimmio.h> |
| #include <device/mmio.h> |
| #include <Porting.h> |
| #include <AGESA.h> |
| #include <amdlib.h> |
| #include <Proc/Fch/Fch.h> |
| #include <Proc/Fch/Common/FchCommonCfg.h> |
| #include <Proc/Fch/FchPlatform.h> |
| |
| void imc_reg_init(void) |
| { |
| /* Init Power Management Block 2 (PM2) Registers. |
| * Check BKDG for AMD Family 16h for details. */ |
| pm2_write8(0, 0x06); |
| pm2_write8(1, 0x06); |
| pm2_write8(2, 0xf7); |
| pm2_write8(3, 0xff); |
| pm2_write8(4, 0xff); |
| |
| #if !CONFIG(SOUTHBRIDGE_AMD_AGESA_YANGTZE) |
| pm2_write8(0x10, 0x06); |
| pm2_write8(0x11, 0x06); |
| pm2_write8(0x12, 0xf7); |
| pm2_write8(0x13, 0xff); |
| pm2_write8(0x14, 0xff); |
| #endif |
| |
| #if CONFIG(SOUTHBRIDGE_AMD_AGESA_YANGTZE) |
| UINT8 PciData; |
| PCI_ADDR PciAddress; |
| AMD_CONFIG_PARAMS StdHeader; |
| PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 0x3, 0x1E4); |
| LibAmdPciRead(AccessWidth8, PciAddress, &PciData, &StdHeader); |
| PciData &= (UINT8)0x8F; |
| PciData |= 0x10; |
| LibAmdPciWrite(AccessWidth8, PciAddress, &PciData, &StdHeader); |
| #endif |
| } |
| |
| void enable_imc_thermal_zone(void) |
| { |
| AMD_CONFIG_PARAMS StdHeader; |
| UINT8 FunNum; |
| UINT8 regs[10]; |
| int i; |
| |
| regs[0] = 0; |
| regs[1] = 0; |
| FunNum = Fun_80; |
| for (i = 0; i <= 1; i++) |
| WriteECmsg(MSG_REG0 + i, AccessWidth8, ®s[i], &StdHeader); |
| WriteECmsg(MSG_SYS_TO_IMC, AccessWidth8, &FunNum, &StdHeader); // function number |
| WaitForEcLDN9MailboxCmdAck(&StdHeader); |
| |
| for (i = 2; i < ARRAY_SIZE(regs); i++) |
| ReadECmsg(MSG_REG0 + i, AccessWidth8, ®s[i], &StdHeader); |
| |
| /* enable thermal zone 0 */ |
| regs[2] |= 1; |
| regs[0] = 0; |
| regs[1] = 0; |
| FunNum = Fun_81; |
| for (i = 0; i < ARRAY_SIZE(regs); i++) |
| WriteECmsg(MSG_REG0 + i, AccessWidth8, ®s[i], &StdHeader); |
| WriteECmsg(MSG_SYS_TO_IMC, AccessWidth8, &FunNum, &StdHeader); // function number |
| WaitForEcLDN9MailboxCmdAck(&StdHeader); |
| } |