efdesign98 | 95b6611 | 2011-07-20 13:23:04 -0600 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2011 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Paul Menzel | a46a712 | 2013-02-23 18:37:27 +0100 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
efdesign98 | 95b6611 | 2011-07-20 13:23:04 -0600 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | #include "agesawrapper.h" |
| 21 | #include "amdlib.h" |
| 22 | #include "BiosCallOuts.h" |
| 23 | #include "Ids.h" |
| 24 | #include "OptionsIds.h" |
| 25 | #include "heapManager.h" |
Kimarie Hoot | eef45f9 | 2013-03-08 13:54:10 -0700 | [diff] [blame] | 26 | #include <northbridge/amd/agesa/family15/dimmSpd.h> |
| 27 | #include <arch/io.h> |
Kimarie Hoot | eef45f9 | 2013-03-08 13:54:10 -0700 | [diff] [blame] | 28 | |
| 29 | #ifdef __PRE_RAM__ |
| 30 | /* These defines are used to select the appropriate socket for the SPD read |
| 31 | * because this is a multi-socket design. |
| 32 | */ |
| 33 | #define PCI_REG_GPIO_56_to_53_CNTRL (0x52) |
| 34 | #define GPIO_OUT_BIT_GPIO53 (BIT0) |
| 35 | #define GPIO_OUT_BIT_GPIO54 (BIT1) |
| 36 | #define GPIO_OUT_ENABLE_BIT_GPIO53 (BIT4) |
| 37 | #define GPIO_OUT_ENABLE_BIT_GPIO54 (BIT5) |
| 38 | |
| 39 | #define GPIO_OUT_BIT_GPIO54_to_53_MASK \ |
| 40 | (GPIO_OUT_BIT_GPIO54 | GPIO_OUT_BIT_GPIO53) |
| 41 | #define GPIO_OUT_ENABLE_BIT_GPIO54_to_53_MASK \ |
| 42 | (GPIO_OUT_ENABLE_BIT_GPIO54 | GPIO_OUT_ENABLE_BIT_GPIO53) |
| 43 | |
| 44 | static UINT8 select_socket(UINT8 socket_id) |
| 45 | { |
| 46 | device_t sm_dev = PCI_DEV(0, 0x14, 0); //SMBus |
| 47 | UINT8 value = 0; |
| 48 | UINT8 gpio56_to_53 = 0; |
| 49 | |
| 50 | /* Configure GPIO54,53 to select the desired socket |
| 51 | * GPIO54,53 control the HC4052 S1,S0 |
| 52 | * S1 S0 true table |
| 53 | * 0 0 channel 1 (Socket1) |
| 54 | * 0 1 channel 2 (Socket2) |
| 55 | * 1 0 channel 3 (Socket3) |
| 56 | * 1 1 channel 4 (Socket4) |
| 57 | */ |
| 58 | gpio56_to_53 = pci_read_config8(sm_dev, PCI_REG_GPIO_56_to_53_CNTRL); |
| 59 | value = gpio56_to_53 & (~GPIO_OUT_BIT_GPIO54_to_53_MASK); |
| 60 | value |= socket_id; |
| 61 | value &= (~GPIO_OUT_ENABLE_BIT_GPIO54_to_53_MASK); // 0=Output Enabled, 1=Tristate |
| 62 | pci_write_config8(sm_dev, PCI_REG_GPIO_56_to_53_CNTRL, value); |
| 63 | |
| 64 | return gpio56_to_53; |
| 65 | } |
| 66 | |
| 67 | static void restore_socket(UINT8 original_value) |
| 68 | { |
| 69 | device_t sm_dev = PCI_DEV(0, 0x14, 0); //SMBus |
| 70 | pci_write_config8(sm_dev, PCI_REG_GPIO_56_to_53_CNTRL, original_value); |
| 71 | } |
| 72 | #endif |
efdesign98 | 95b6611 | 2011-07-20 13:23:04 -0600 | [diff] [blame] | 73 | |
Kyösti Mälkki | c009601 | 2014-05-05 18:56:33 +0300 | [diff] [blame] | 74 | static AGESA_STATUS board_ReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr); |
| 75 | |
Kyösti Mälkki | 6025efa | 2014-05-05 13:20:56 +0300 | [diff] [blame^] | 76 | #include <stdlib.h> |
| 77 | const BIOS_CALLOUT_STRUCT BiosCallouts[] = |
efdesign98 | 95b6611 | 2011-07-20 13:23:04 -0600 | [diff] [blame] | 78 | { |
Kyösti Mälkki | 08df732 | 2014-05-04 14:53:36 +0300 | [diff] [blame] | 79 | {AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, |
| 80 | {AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, |
Kyösti Mälkki | 08df732 | 2014-05-04 14:53:36 +0300 | [diff] [blame] | 81 | {AGESA_LOCATE_BUFFER, BiosLocateBuffer }, |
Kyösti Mälkki | 5e19fa4 | 2014-05-04 23:13:54 +0300 | [diff] [blame] | 82 | {AGESA_DO_RESET, agesa_Reset }, |
Kyösti Mälkki | c009601 | 2014-05-05 18:56:33 +0300 | [diff] [blame] | 83 | {AGESA_READ_SPD, board_ReadSpd }, |
Kyösti Mälkki | c459f96 | 2014-05-04 17:07:45 +0300 | [diff] [blame] | 84 | {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, |
Kyösti Mälkki | 6b4b151 | 2014-05-05 12:05:53 +0300 | [diff] [blame] | 85 | {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, |
Kyösti Mälkki | c459f96 | 2014-05-04 17:07:45 +0300 | [diff] [blame] | 86 | {AGESA_GET_IDS_INIT_DATA, agesa_EmptyIdsInitData }, |
| 87 | {AGESA_HOOKBEFORE_DQS_TRAINING, agesa_NoopSuccess }, |
| 88 | {AGESA_HOOKBEFORE_DRAM_INIT, agesa_NoopSuccess }, |
| 89 | {AGESA_HOOKBEFORE_EXIT_SELF_REF, agesa_NoopSuccess }, |
efdesign98 | 95b6611 | 2011-07-20 13:23:04 -0600 | [diff] [blame] | 90 | }; |
Kyösti Mälkki | 6025efa | 2014-05-05 13:20:56 +0300 | [diff] [blame^] | 91 | const int BiosCalloutsLen = ARRAY_SIZE(BiosCallouts); |
efdesign98 | 95b6611 | 2011-07-20 13:23:04 -0600 | [diff] [blame] | 92 | |
Kyösti Mälkki | c009601 | 2014-05-05 18:56:33 +0300 | [diff] [blame] | 93 | static AGESA_STATUS board_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
efdesign98 | 95b6611 | 2011-07-20 13:23:04 -0600 | [diff] [blame] | 94 | { |
| 95 | AGESA_STATUS Status; |
Kimarie Hoot | eef45f9 | 2013-03-08 13:54:10 -0700 | [diff] [blame] | 96 | #ifdef __PRE_RAM__ |
| 97 | UINT8 original_value = 0; |
| 98 | |
| 99 | if (ConfigPtr == NULL) |
| 100 | return AGESA_ERROR; |
| 101 | |
| 102 | original_value = select_socket(((AGESA_READ_SPD_PARAMS *)ConfigPtr)->SocketId); |
| 103 | |
| 104 | Status = agesa_ReadSPD (Func, Data, ConfigPtr); |
| 105 | |
| 106 | restore_socket(original_value); |
| 107 | #else |
| 108 | Status = AGESA_UNSUPPORTED; |
| 109 | #endif |
efdesign98 | 95b6611 | 2011-07-20 13:23:04 -0600 | [diff] [blame] | 110 | |
| 111 | return Status; |
| 112 | } |