diff options
Diffstat (limited to 'src/mainboard/lenovo/x1_carbon_gen1/early_init.c')
| -rw-r--r-- | src/mainboard/lenovo/x1_carbon_gen1/early_init.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x1_carbon_gen1/early_init.c b/src/mainboard/lenovo/x1_carbon_gen1/early_init.c new file mode 100644 index 0000000000..c70b21d36b --- /dev/null +++ b/src/mainboard/lenovo/x1_carbon_gen1/early_init.c @@ -0,0 +1,101 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2010 coresystems GmbH + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * Copyright (C) 2014 Vladimir Serbinenko + * Copyright (C) 2017 Alexander Couzens <lynxis@fe80.eu> + * + * 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 <stdint.h> +#include <string.h> +#include <device/pci_ops.h> +#include <device/pci_def.h> +#include <cpu/x86/lapic.h> +#include <console/console.h> +#include <northbridge/intel/sandybridge/sandybridge.h> +#include <northbridge/intel/sandybridge/raminit_native.h> +#include <southbridge/intel/bd82x6x/pch.h> +#include <southbridge/intel/common/gpio.h> +#include <cbfs.h> + +void mainboard_pch_lpc_setup(void) +{ + pci_write_config32(PCH_LPC_DEV, ETR3, 0x10000); +} + +const struct southbridge_usb_port mainboard_usb_ports[] = { + /* enabled, current, OC pin */ + { 0, 3, 0 }, /* P00 disconnected */ + { 1, 1, 1 }, /* P01 left or right */ + { 0, 1, 3 }, /* P02 disconnected */ + { 1, 3, -1 },/* P03 WWAN */ + { 0, 1, 2 }, /* P04 disconnected */ + { 0, 1, -1 },/* P05 disconnected */ + { 0, 1, -1 },/* P06 disconnected */ + { 0, 2, -1 },/* P07 disconnected */ + { 0, 1, -1 },/* P08 disconnected */ + { 1, 2, 5 }, /* P09 left or right */ + { 1, 3, -1 },/* P10 FPR */ + { 1, 3, -1 },/* P11 Bluetooth */ + { 1, 1, -1 },/* P12 WLAN */ + { 1, 1, -1 },/* P13 Camera */ +}; + +static uint8_t *get_spd_data(int spd_index) +{ + uint8_t *spd_file; + size_t spd_file_len; + + printk(BIOS_DEBUG, "spd index %d\n", spd_index); + spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD, + &spd_file_len); + if (!spd_file) + die("SPD data not found."); + + if (spd_file_len < spd_index * 256) + die("Missing SPD data."); + + return spd_file + spd_index * 256; +} + +void mainboard_get_spd(spd_raw_data *spd, bool id_only) +{ + uint8_t *memory; + const int spd_gpio_vector[] = {25, 45, -1}; + int spd_index = get_gpios(spd_gpio_vector); + + /* 4gb model = 0, 8gb model = 1 */ + /* int extended_memory_version = get_gpio(44); */ + + /* + * So far there is no need to parse gpio 44, as the 4GiB use + * the hynix or elpida memory and 8 GiB versions use samsung. + * All version use both channels. + * But we might miss some versions. + */ + + /* + * GPIO45 GPIO25 + * 0 0 elpida + * 0 1 hynix + * 1 0 samsung + * 1 1 reserved + */ + + if (spd_index == 3) + die("Unsupported Memory. (detected 'reserved' memory configuration)."); + + memory = get_spd_data(spd_index); + memcpy(&spd[0], memory, 256); + memcpy(&spd[2], memory, 256); +} |