diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vendorcode/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/vendorcode/siemens/Kconfig | 20 | ||||
| -rw-r--r-- | src/vendorcode/siemens/Makefile.inc | 16 | ||||
| -rw-r--r-- | src/vendorcode/siemens/hwilib/Makefile.inc | 19 | ||||
| -rw-r--r-- | src/vendorcode/siemens/hwilib/hwilib.c | 321 | ||||
| -rw-r--r-- | src/vendorcode/siemens/hwilib/hwilib.h | 74 |
6 files changed, 451 insertions, 0 deletions
diff --git a/src/vendorcode/Makefile.inc b/src/vendorcode/Makefile.inc index 741a04aa99..440972fe9e 100644 --- a/src/vendorcode/Makefile.inc +++ b/src/vendorcode/Makefile.inc @@ -1,3 +1,4 @@ subdirs-y += amd subdirs-y += google subdirs-y += intel +subdirs-y += siemens diff --git a/src/vendorcode/siemens/Kconfig b/src/vendorcode/siemens/Kconfig new file mode 100644 index 0000000000..8bbab62268 --- /dev/null +++ b/src/vendorcode/siemens/Kconfig @@ -0,0 +1,20 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2016 Siemens AG +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## + +config USE_SIEMENS_HWILIB + bool + default n + +source "src/vendorcode/siemens/*/Kconfig" diff --git a/src/vendorcode/siemens/Makefile.inc b/src/vendorcode/siemens/Makefile.inc new file mode 100644 index 0000000000..ece2b4dfc7 --- /dev/null +++ b/src/vendorcode/siemens/Makefile.inc @@ -0,0 +1,16 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2016 Siemens AG +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## + +subdirs-$(CONFIG_USE_SIEMENS_HWILIB) += hwilib diff --git a/src/vendorcode/siemens/hwilib/Makefile.inc b/src/vendorcode/siemens/hwilib/Makefile.inc new file mode 100644 index 0000000000..1c6f6c92b2 --- /dev/null +++ b/src/vendorcode/siemens/hwilib/Makefile.inc @@ -0,0 +1,19 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2016 Siemens AG +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## + +CFLAGS_x86_32 += -Isrc/vendorcode/siemens/hwilib + +romstage-y += hwilib.c +ramstage-y += hwilib.c diff --git a/src/vendorcode/siemens/hwilib/hwilib.c b/src/vendorcode/siemens/hwilib/hwilib.c new file mode 100644 index 0000000000..5d47881750 --- /dev/null +++ b/src/vendorcode/siemens/hwilib/hwilib.c @@ -0,0 +1,321 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Siemens AG. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <cbfs.h> +#include <string.h> +#include <console/console.h> +#include <arch/io.h> +#include <arch/early_variables.h> +#include "hwilib.h" + + +#define MAX_BLOCK_NUM 3 +#define LEN_HIB 0x1fd +#define LEN_SIB 0x121 +#define LEN_EIB 0x0b5 +#define NEXT_OFFSET_HIB 0x1dc +#define NEXT_OFFSET_SIB 0x104 +#define NEXT_OFFSET_EIB 0x0b0 +#define LEN_UNIQUEL_NUM 0x010 +#define LEN_HW_REV 0x002 +#define LEN_MAC_ADDRESS 0x006 +#define LEN_SPD 0x080 +#define LEN_EDID 0x080 +#define LEN_OFFSET 0x00c +#define EIB_FEATRUE_OFFSET 0x00e +#define LEN_MAGIC_NUM 0x007 +#define BLOCK_MAGIC "H1W2M3I" + +/* Define all supported block types. */ +enum { + BLK_HIB, + BLK_SIB, + BLK_EIB, +}; + +/* This structure holds a valid position for a given field + * Every field can have multiple positions of which the first available + * will be taken by the library. + */ +struct param_pos { + uint8_t blk_type; /* Valid for a specific block type */ + uint32_t offset; /* Offset in given block */ + uint32_t len; /* Length for the field in this block */ +}; + +/* This structure holds all the needed information for a given field type + * and a pointer to a function which is able to extract the desired data. + */ +struct param_info { + struct param_pos pos[MAX_BLOCK_NUM]; + uint64_t mask; + uint8_t mask_offset; + uint32_t (*get_field)(const struct param_info *param, uint8_t *dst, + uint32_t maxlen); +}; + +/* Storage for pointers to the different blocks. The contents will be filled + * in hwilib_find_blocks(). + */ +static uint8_t *all_blocks[MAX_BLOCK_NUM] CAR_GLOBAL; + +static uint32_t hwilib_read_bytes (const struct param_info *param, uint8_t *dst, + uint32_t maxlen); + +/* Add all supported fields to this variable. It is important to use the + * field type of a given field as the array index so that all the information + * is on the appropriate place inside the array. In this way one do not need + * to search for fields but can simply use an index into the array. + */ +static const struct param_info params[] = { + [HIB_VerID] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0x8, .len = 4}, + .get_field = hwilib_read_bytes }, + [SIB_VerID] = { + .pos[0] = {.blk_type = BLK_SIB, .offset = 0x8, .len = 4}, + .get_field = hwilib_read_bytes }, + [EIB_VerID] = { + .pos[0] = {.blk_type = BLK_EIB, .offset = 0x8, .len = 4}, + .get_field = hwilib_read_bytes }, + [HIB_HwRev] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xbe, .len = 2}, + .get_field = hwilib_read_bytes }, + [SIB_HwRev] = { + .pos[0] = {.blk_type = BLK_SIB, .offset = 0xc8, .len = 2}, + .get_field = hwilib_read_bytes }, + [UniqueNum] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xa2, .len = 10}, + .pos[1] = {.blk_type = BLK_SIB, .offset = 0xa2, .len = 10}, + .get_field = hwilib_read_bytes }, + [Mac1] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xc0, .len = 6}, + .get_field = hwilib_read_bytes }, + [Mac1Aux] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xc6, .len = 1}, + .get_field = hwilib_read_bytes }, + [Mac2] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xc8, .len = 6}, + .get_field = hwilib_read_bytes }, + [Mac2Aux] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xce, .len = 1}, + .get_field = hwilib_read_bytes }, + [Mac3] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xd0, .len = 6}, + .get_field = hwilib_read_bytes }, + [Mac3Aux] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xd6, .len = 1}, + .get_field = hwilib_read_bytes }, + [Mac4] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xd8, .len = 6}, + .get_field = hwilib_read_bytes }, + [Mac4Aux] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xde, .len = 1}, + .get_field = hwilib_read_bytes }, + [SPD] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0xe0, .len = 0x80}, + .get_field = hwilib_read_bytes }, + [FF_FreezeDis] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0x1b8, .len = 4}, + .mask = 0x10, + .mask_offset = 4, + .get_field = hwilib_read_bytes }, + [FF_FanReq] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0x1b8, .len = 4}, + .mask = 0x400, + .mask_offset = 10, + .get_field = hwilib_read_bytes }, + [BiosFlags] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0x1c0, .len = 4}, + .get_field = hwilib_read_bytes }, + [MacMapping1] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0x1cc, .len = 4}, + .get_field = hwilib_read_bytes }, + [MacMapping2] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0x1d0, .len = 4}, + .get_field = hwilib_read_bytes }, + [MacMapping3] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0x1d4, .len = 4}, + .get_field = hwilib_read_bytes }, + [MacMapping4] = { + .pos[0] = {.blk_type = BLK_HIB, .offset = 0x1d8, .len = 4}, + .get_field = hwilib_read_bytes }, + [PF_Color_Depth] = { + .pos[0] = {.blk_type = BLK_SIB, .offset = 0xea, .len = 1}, + .mask = 0x03, + .mask_offset = 0, + .get_field = hwilib_read_bytes }, + [PF_DisplType] = { + .pos[0] = {.blk_type = BLK_SIB, .offset = 0xe3, .len = 1}, + .get_field = hwilib_read_bytes }, + [PF_DisplCon] = { + .pos[0] = {.blk_type = BLK_SIB, .offset = 0xf2, .len = 1}, + .get_field = hwilib_read_bytes }, + [Edid] = { + .pos[0] = {.blk_type = BLK_EIB, .offset = 0x10, .len = 0x80}, + .get_field = hwilib_read_bytes }, + [VddRef] = { + .pos[0] = {.blk_type = BLK_EIB, .offset = 0x90, .len = 2}, + .get_field = hwilib_read_bytes }, +}; + +/** \brief This functions reads the given field from the first valid hwinfo + * block + * @param *param Parameter to read from hwinfo + * @param *dst Pointer to memory where the data will be stored in + * @return number of copied bytes on success, 0 on error + */ +static uint32_t hwilib_read_bytes (const struct param_info *param, uint8_t *dst, + uint32_t maxlen) +{ + uint8_t i = 0, *blk = NULL; + uint8_t **blk_ptr = car_get_var_ptr(&all_blocks[0]); + static const uint16_t all_blk_size[MAX_BLOCK_NUM] = + {LEN_HIB, LEN_SIB, LEN_EIB}; + + if (!param || !dst) + return 0; + /* Take the first valid block to get the parameter from */ + do { + if ((param->pos[i].len) && (param->pos[i].offset)) { + blk = blk_ptr[param->pos[i].blk_type]; + break; + } + i++; + } while (i < MAX_BLOCK_NUM); + + /* Ensure there is a valid block available for this parameter and + * the length of the parameter do not exceed maxlen or block len. + */ + if ((!blk) || (param->pos[i].len > maxlen) || + (param->pos[i].len + param->pos[i].offset > + all_blk_size[param->pos[i].blk_type])) + return 0; + /* We can now copy the wanted data. */ + memcpy(dst, (blk + param->pos[i].offset), param->pos[i].len); + /* If there is a mask given, apply it only for parameters with a + * length of 1, 2, 4 or 8 bytes. + */ + if (param->mask) { + switch (param->pos[i].len) { + case 1: + /* Apply a mask on a 8 bit value */ + *dst &= (param->mask & 0xff); + *dst >>= (param->mask_offset); + break; + case 2: + /* Apply mask on a 16 bit value */ + *((uint16_t *)(dst)) &= (param->mask & 0xffff); + *((uint16_t *)(dst)) >>= (param->mask_offset); + break; + case 4: + /* Apply mask on a 32 bit value */ + *((uint32_t *)(dst)) &= (param->mask & 0xffffffff); + *((uint32_t *)(dst)) >>= (param->mask_offset); + break; + case 8: + /* Apply mask on a 64 bit value */ + *((uint64_t *)(dst)) &= (param->mask); + *((uint64_t *)(dst)) >>= (param->mask_offset); + break; + default: + /* Warn if there is a mask for an invalid length. */ + printk(BIOS_WARNING, + "HWILIB: Invalid field length for given mask.\n"); + break; + } + } + return param->pos[i].len; +} + +/** \brief This function finds all available block types in a given cbfs file. + * @param *hwi_filename Name of the cbfs-file to use. + * @return CB_SUCCESS when no error, otherwise error code + */ +enum cb_err hwilib_find_blocks (const char *hwi_filename) +{ + uint8_t *ptr = NULL, *base = NULL; + uint32_t next_offset = 1; + uint8_t **blk_ptr = car_get_var_ptr(&all_blocks[0]); + size_t filesize = 0; + + /* Check for a valid parameter */ + if (!hwi_filename) + return CB_ERR_ARG; + ptr = cbfs_boot_map_with_leak(hwi_filename, CBFS_TYPE_RAW, &filesize); + if (!ptr) { + printk(BIOS_ERR,"HWILIB: Missing file \"%s\" in cbfs.\n", + hwi_filename); + return CB_ERR; + } + /* Ensure the block has the right magic */ + if (strncmp((char*)ptr, BLOCK_MAGIC, LEN_MAGIC_NUM)) { + printk(BIOS_ERR, "HWILIB: Bad magic at start of block!\n"); + return CB_ERR; + } + /* Reset all static pointers to blocks as they might have been set + * in prior calls to this function. + * This way the caller do not need to "close" already opened blocks. + */ + memset(blk_ptr, 0, (MAX_BLOCK_NUM * sizeof (uint8_t *))); + /* Check which blocks are available by examining the length field. */ + base = ptr; + while(!(strncmp((char *)ptr, BLOCK_MAGIC, LEN_MAGIC_NUM)) && + next_offset) { + uint16_t len = read16(ptr + LEN_OFFSET); + /* Ensure file size boundaries for a given block. */ + if ((ptr - base + len) > filesize) + break; + if (len == LEN_HIB) { + blk_ptr[BLK_HIB] = ptr; + next_offset = read32(ptr + NEXT_OFFSET_HIB); + if (next_offset) + ptr = base + next_offset; + } else if (len == LEN_SIB) { + blk_ptr[BLK_SIB] = ptr; + next_offset = read32(ptr + NEXT_OFFSET_SIB); + if (next_offset) + ptr = base + next_offset; + } else if (len == LEN_EIB) { + /* Skip preliminary blocks */ + if (!(read16(ptr + EIB_FEATRUE_OFFSET) & 0x01)) + blk_ptr[BLK_EIB] = ptr; + next_offset = read32(ptr + NEXT_OFFSET_EIB); + if (next_offset) + ptr = base + next_offset; + } else { + next_offset = 0; + } + } + /* We should have found at least one valid block */ + if (blk_ptr[BLK_HIB] || blk_ptr[BLK_SIB] || blk_ptr[BLK_EIB]) + return CB_SUCCESS; + else + return CB_ERR; +} + +/** \brief This functions is used from caller to get a specific field from + * hwinfo block. + * @param field Field type to read from hwinfo + * @param *dst Pointer to memory where the data will be stored in + * @return number of copied bytes on success, 0 on error + */ +uint32_t hwilib_get_field (hwinfo_field_t field, uint8_t *dst, uint32_t maxlen) +{ + /* Check the boundaries of params-variable */ + if ((uint32_t)field < ARRAY_SIZE(params)) + return params[field].get_field(¶ms[field], dst, maxlen); + else + return 0; +} diff --git a/src/vendorcode/siemens/hwilib/hwilib.h b/src/vendorcode/siemens/hwilib/hwilib.h new file mode 100644 index 0000000000..fb0798bc9b --- /dev/null +++ b/src/vendorcode/siemens/hwilib/hwilib.h @@ -0,0 +1,74 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Siemens AG + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef SIEMENS_HWI_LIB_H_ +#define SIEMENS_HWI_LIB_H_ + +#include <types.h> + + +/* Declare all supported fields which can be get with hwilib. */ +typedef enum { + HIB_VerID = 0, + SIB_VerID, + EIB_VerID, + HIB_HwRev, + SIB_HwRev, + UniqueNum, + Mac1, + Mac1Aux, + Mac2, + Mac2Aux, + Mac3, + Mac3Aux, + Mac4, + Mac4Aux, + SPD, + FF_FreezeDis, + FF_FanReq, + BiosFlags, + MacMapping1, + MacMapping2, + MacMapping3, + MacMapping4, + PF_Color_Depth, + PF_DisplType, + PF_DisplCon, + Edid, + VddRef +} hwinfo_field_t; + +/* Define used values in supported fields */ +#define PF_COLOR_DEPTH_6BIT 0x00 +#define PF_COLOR_DEPTH_8BIT 0x01 +#define PF_COLOR_DEPTH_10BIT 0x02 +#define PF_DISPLCON_LVDS_SINGLE 0x00 +#define PF_DISPLCON_LVDS_DUAL 0x05 +#define FF_FREEZE_DISABLE 0x01 +#define FF_FAN_NEEDED 0x01 + +/* Use this function to find all supported blocks in cbfs. It must be called + * once with a valid cbfs file name before hwilib_get_field() can be used. + */ +enum cb_err hwilib_find_blocks (const char *hwi_filename); + +/* Use this function to get fields out of supported info blocks + * This function returns the number of copied bytes or 0 on error. + */ +uint32_t hwilib_get_field (hwinfo_field_t field, uint8_t *data, uint32_t maxlen); + +/* This functions needs to be implemented for every mainboard that uses i210. */ +enum cb_err mainboard_get_mac_address(u16 bus, u8 devfn, u8 mac[6]); +#endif /* SIEMENS_HWI_LIB_H_ */ |