From fa5d0f835b1f3bb8907e616913cbf7b91d09ef26 Mon Sep 17 00:00:00 2001 From: Arthur Heymans Date: Tue, 12 Nov 2019 19:11:50 +0100 Subject: nb/intel/sandybridge: Set up console in bootblock Change-Id: Ia041b63201b2a4a2fe6ab11e3497c460f88061d1 Signed-off-by: Arthur Heymans Reviewed-on: https://review.coreboot.org/c/coreboot/+/36784 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber --- src/mainboard/samsung/lumpy/early_init.c | 234 +++++++++++++++++++++++++++++++ 1 file changed, 234 insertions(+) create mode 100644 src/mainboard/samsung/lumpy/early_init.c (limited to 'src/mainboard/samsung/lumpy/early_init.c') diff --git a/src/mainboard/samsung/lumpy/early_init.c b/src/mainboard/samsung/lumpy/early_init.c new file mode 100644 index 0000000000..6bc545c57e --- /dev/null +++ b/src/mainboard/samsung/lumpy/early_init.c @@ -0,0 +1,234 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2010 coresystems GmbH + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "option_table.h" +#if CONFIG(DRIVERS_UART_8250IO) +#include +#endif + +void mainboard_pch_lpc_setup(void) +{ + /* Set COM1/COM2 decode range */ + pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x0010); + +#if CONFIG(DRIVERS_UART_8250IO) + /* Enable SuperIO + EC + KBC + COM1 + lpc47n207 config*/ + pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF1_LPC_EN | MC_LPC_EN | + KBC_LPC_EN | CNF2_LPC_EN | COMA_LPC_EN); + + try_enabling_LPC47N207_uart(); +#else + /* Enable SuperIO + EC + KBC */ + pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF1_LPC_EN | MC_LPC_EN | + KBC_LPC_EN); +#endif +} + +void mainboard_late_rcba_config(void) +{ + /* + * GFX INTA -> PIRQA (MSI) + * D28IP_P1IP WLAN INTA -> PIRQB + * D28IP_P4IP ETH0 INTB -> PIRQC (MSI) + * D29IP_E1P EHCI1 INTA -> PIRQD + * D26IP_E2P EHCI2 INTA -> PIRQB + * D31IP_SIP SATA INTA -> PIRQA (MSI) + * D31IP_SMIP SMBUS INTC -> PIRQH + * D31IP_TTIP THRT INTB -> PIRQG + * D27IP_ZIP HDA INTA -> PIRQG (MSI) + * + * LIGHTSENSOR -> PIRQE (Edge Triggered) + * TRACKPAD -> PIRQF (Edge Triggered) + */ + + /* Device interrupt pin register (board specific) */ + RCBA32(D31IP) = (INTB << D31IP_TTIP) | (NOINT << D31IP_SIP2) | + (INTC << D31IP_SMIP) | (INTA << D31IP_SIP); + RCBA32(D30IP) = (NOINT << D30IP_PIP); + RCBA32(D29IP) = (INTA << D29IP_E1P); + RCBA32(D28IP) = (INTA << D28IP_P1IP) | (INTC << D28IP_P3IP) | + (INTB << D28IP_P4IP); + RCBA32(D27IP) = (INTA << D27IP_ZIP); + RCBA32(D26IP) = (INTA << D26IP_E2P); + RCBA32(D25IP) = (NOINT << D25IP_LIP); + RCBA32(D22IP) = (NOINT << D22IP_MEI1IP); + + /* Device interrupt route registers */ + DIR_ROUTE(D31IR, PIRQA, PIRQG, PIRQH, PIRQB); + DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQG, PIRQH); + DIR_ROUTE(D28IR, PIRQB, PIRQC, PIRQD, PIRQE); + DIR_ROUTE(D27IR, PIRQG, PIRQH, PIRQA, PIRQB); + DIR_ROUTE(D26IR, PIRQB, PIRQC, PIRQD, PIRQA); + DIR_ROUTE(D25IR, PIRQA, PIRQB, PIRQC, PIRQD); + DIR_ROUTE(D22IR, PIRQA, PIRQB, PIRQC, PIRQD); + + /* Enable IOAPIC (generic) */ + RCBA16(OIC) = 0x0100; + /* PCH BWG says to read back the IOAPIC enable register */ + (void) RCBA16(OIC); +} + +static const uint8_t *locate_spd(void) +{ + typedef const uint8_t spd_blob[256]; + spd_blob *spd_data; + size_t spd_file_len; + + u32 gp_lvl2 = inl(DEFAULT_GPIOBASE + 0x38); + u8 gpio33, gpio41, gpio49; + gpio33 = (gp_lvl2 >> (33-32)) & 1; + gpio41 = (gp_lvl2 >> (41-32)) & 1; + gpio49 = (gp_lvl2 >> (49-32)) & 1; + printk(BIOS_DEBUG, "Memory Straps:\n"); + printk(BIOS_DEBUG, " - memory capacity %dGB\n", + gpio33 ? 2 : 1); + printk(BIOS_DEBUG, " - die revision %d\n", + gpio41 ? 2 : 1); + printk(BIOS_DEBUG, " - vendor %s\n", + gpio49 ? "Samsung" : "Other"); + + int spd_index = 0; + + switch ((gpio49 << 2) | (gpio41 << 1) | gpio33) { + case 0: // Other 1G Rev 1 + spd_index = 0; + break; + case 2: // Other 1G Rev 2 + spd_index = 1; + break; + case 1: // Other 2G Rev 1 + case 3: // Other 2G Rev 2 + spd_index = 2; + break; + case 4: // Samsung 1G Rev 1 + spd_index = 3; + break; + case 6: // Samsung 1G Rev 2 + spd_index = 4; + break; + case 5: // Samsung 2G Rev 1 + case 7: // Samsung 2G Rev 2 + spd_index = 5; + break; + } + + spd_data = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD, + &spd_file_len); + if (!spd_data) + die("SPD data not found."); + if (spd_file_len < (spd_index + 1) * 256) + die("Missing SPD data."); + return spd_data[spd_index]; +} + +void mainboard_fill_pei_data(struct pei_data *pei_data) +{ + struct pei_data pei_data_template = { + .pei_version = PEI_VERSION, + .mchbar = (uintptr_t)DEFAULT_MCHBAR, + .dmibar = (uintptr_t)DEFAULT_DMIBAR, + .epbar = DEFAULT_EPBAR, + .pciexbar = CONFIG_MMCONF_BASE_ADDRESS, + .smbusbar = SMBUS_IO_BASE, + .wdbbar = 0x4000000, + .wdbsize = 0x1000, + .hpet_address = CONFIG_HPET_ADDRESS, + .rcba = (uintptr_t)DEFAULT_RCBABASE, + .pmbase = DEFAULT_PMBASE, + .gpiobase = DEFAULT_GPIOBASE, + .thermalbase = 0xfed08000, + .system_type = 0, // 0 Mobile, 1 Desktop/Server + .tseg_size = CONFIG_SMM_TSEG_SIZE, + .spd_addresses = { 0xa0, 0x00,0x00,0x00 }, + .ts_addresses = { 0x30, 0x00, 0x00, 0x00 }, + .ec_present = 1, + // 0 = leave channel enabled + // 1 = disable dimm 0 on channel + // 2 = disable dimm 1 on channel + // 3 = disable dimm 0+1 on channel + .dimm_channel0_disabled = 2, + .dimm_channel1_disabled = 2, + .max_ddr3_freq = 1333, + .usb_port_config = { + { 1, 0, 0x0080 }, /* P0: Port 0 (OC0) */ + { 1, 1, 0x0080 }, /* P1: Port 1 (OC1) */ + { 1, 0, 0x0040 }, /* P2: MINIPCIE1 (no OC) */ + { 1, 0, 0x0040 }, /* P3: MMC (no OC) */ + { 0, 0, 0x0000 }, /* P4: Empty */ + { 0, 0, 0x0000 }, /* P5: Empty */ + { 0, 0, 0x0000 }, /* P6: Empty */ + { 0, 0, 0x0000 }, /* P7: Empty */ + { 1, 4, 0x0040 }, /* P8: MINIPCIE2 (no OC) */ + { 0, 4, 0x0000 }, /* P9: Empty */ + { 0, 4, 0x0000 }, /* P10: Empty */ + { 1, 4, 0x0040 }, /* P11: Camera (no OC) */ + { 0, 4, 0x0000 }, /* P12: Empty */ + { 0, 4, 0x0000 }, /* P13: Empty */ + }, + }; + *pei_data = pei_data_template; + memcpy(pei_data->spd_data[2], locate_spd(), 256); +} + +const struct southbridge_usb_port mainboard_usb_ports[] = { + /* enabled power usb oc pin */ + { 1, 1, 0 }, /* P0: Port 0 (OC0) */ + { 1, 1, 1 }, /* P1: Port 1 (OC1) */ + { 1, 0, -1 }, /* P2: MINIPCIE1 (no OC) */ + { 1, 0, -1 }, /* P3: MMC (no OC) */ + { 0, 0, -1 }, /* P4: Empty */ + { 0, 0, -1 }, /* P5: Empty */ + { 0, 0, -1 }, /* P6: Empty */ + { 0, 0, -1 }, /* P7: Empty */ + { 1, 0, -1 }, /* P8: MINIPCIE2 (no OC) */ + { 0, 0, -1 }, /* P9: Empty */ + { 0, 0, -1 }, /* P10: Empty */ + { 1, 0, -1 }, /* P11: Camera (no OC) */ + { 0, 0, -1 }, /* P12: Empty */ + { 0, 0, -1 }, /* P13: Empty */ +}; + +void mainboard_get_spd(spd_raw_data *spd, bool id_only) +{ + /* get onboard dimm spd */ + memcpy(&spd[2], locate_spd(), 256); + /* read removable dimm spd */ + read_spd(&spd[0], 0x50, id_only); +} + +void mainboard_early_init(int s3resume) +{ + init_bootmode_straps(); +} + +int mainboard_should_reset_usb(int s3resume) +{ + return !s3resume; +} -- cgit v1.2.3