| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootblock_common.h> |
| #include <device/pci_ops.h> |
| #include <northbridge/intel/sandybridge/sandybridge.h> |
| #include <southbridge/intel/bd82x6x/pch.h> |
| #include <superio/smsc/sch5545/sch5545.h> |
| #include <superio/smsc/sch5545/sch5545_emi.h> |
| |
| #include <baseboard/sch5545_ec.h> |
| |
| void bootblock_mainboard_early_init(void) |
| { |
| /* |
| * FIXME: the board gets stuck in reset loop in |
| * mainboard_romstage_entry. Avoid that by clearing SSKPD |
| */ |
| pci_write_config32(HOST_BRIDGE, MCHBAR, CONFIG_FIXED_MCHBAR_MMIO_BASE | 1); |
| pci_write_config32(HOST_BRIDGE, MCHBAR + 4, 0); |
| mchbar_write16(SSKPD_HI, 0); |
| |
| sch5545_early_init(0x2e); |
| /* Bare EC and SIO GPIO initialization which allows to enable serial port */ |
| sch5545_emi_init(0x2e); |
| sch5545_emi_disable_interrupts(); |
| sch5545_ec_early_init(); |
| |
| if (CONFIG(CONSOLE_SERIAL)) |
| sch5545_enable_uart(0x2e, 0); |
| } |