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authorArthur Heymans <arthur@aheymans.xyz>2019-11-12 19:11:50 +0100
committerPatrick Georgi <pgeorgi@google.com>2019-11-18 11:48:35 +0000
commitfa5d0f835b1f3bb8907e616913cbf7b91d09ef26 (patch)
treeaf8d33b500b91fa9e2f1a76d9115086644ccf3d2 /src/mainboard/intel/emeraldlake2/early_init.c
parent59eb2fdb6b06618311ef118996ca8c1d28a85ffc (diff)
nb/intel/sandybridge: Set up console in bootblock
Change-Id: Ia041b63201b2a4a2fe6ab11e3497c460f88061d1 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36784 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/mainboard/intel/emeraldlake2/early_init.c')
-rw-r--r--src/mainboard/intel/emeraldlake2/early_init.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/src/mainboard/intel/emeraldlake2/early_init.c b/src/mainboard/intel/emeraldlake2/early_init.c
new file mode 100644
index 0000000000..94a46550b2
--- /dev/null
+++ b/src/mainboard/intel/emeraldlake2/early_init.c
@@ -0,0 +1,155 @@
+/*
+ * 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 <bootblock_common.h>
+#include <stdint.h>
+#include <arch/io.h>
+#include <device/pci_ops.h>
+#include <device/pci_def.h>
+#include <cpu/x86/lapic.h>
+#include <superio/smsc/sio1007/sio1007.h>
+#include <northbridge/intel/sandybridge/sandybridge.h>
+#include <northbridge/intel/sandybridge/raminit.h>
+#include <northbridge/intel/sandybridge/raminit_native.h>
+#include <southbridge/intel/bd82x6x/pch.h>
+#include <southbridge/intel/common/gpio.h>
+
+#define SIO_PORT 0x164e
+
+void mainboard_pch_lpc_setup(void)
+{
+ pci_devfn_t dev = PCH_LPC_DEV;
+
+ /* Enable SuperIO + PS/2 Keyboard/Mouse */
+ u16 lpc_config = CNF1_LPC_EN | CNF2_LPC_EN | KBC_LPC_EN;
+ pci_write_config16(dev, LPC_EN, lpc_config);
+
+ /* Enable COM1 */
+ if (sio1007_enable_uart_at(SIO_PORT)) {
+ pci_write_config16(dev, LPC_EN,
+ lpc_config | COMA_LPC_EN);
+ }
+}
+
+void bootblock_mainboard_early_init(void)
+{
+ const u16 port = SIO_PORT;
+ const u16 runtime_port = 0x180;
+
+ /* Turn on configuration mode. */
+ outb(0x55, port);
+
+ /* Set the GPIO direction, polarity, and type. */
+ sio1007_setreg(port, 0x31, 1 << 0, 1 << 0);
+ sio1007_setreg(port, 0x32, 0 << 0, 1 << 0);
+ sio1007_setreg(port, 0x33, 0 << 0, 1 << 0);
+
+ /* Set the base address for the runtime register block. */
+ sio1007_setreg(port, 0x30, runtime_port >> 4, 0xff);
+ sio1007_setreg(port, 0x21, runtime_port >> 12, 0xff);
+
+ /* Turn on address decoding for it. */
+ sio1007_setreg(port, 0x3a, 1 << 1, 1 << 1);
+
+ /* Set the value of GPIO 10 by changing GP1, bit 0. */
+ u8 byte;
+ byte = inb(runtime_port + 0xc);
+ byte |= (1 << 0);
+ outb(byte, runtime_port + 0xc);
+
+ /* Turn off address decoding for it. */
+ sio1007_setreg(port, 0x3a, 0 << 1, 1 << 1);
+
+ /* Turn off configuration mode. */
+ outb(0xaa, port);
+}
+
+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, 0xa4, 0x00 },
+ .ts_addresses = { 0x00, 0x00, 0x00, 0x00 },
+ .ec_present = 0,
+ // 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 = 1600,
+ .usb_port_config = {
+ { 1, 0, 0x0040 }, /* P0: Front port (OC0) */
+ { 1, 1, 0x0040 }, /* P1: Back port (OC1) */
+ { 1, 0, 0x0040 }, /* P2: MINIPCIE1 (no OC) */
+ { 1, 0, 0x0040 }, /* P3: MMC (no OC) */
+ { 1, 2, 0x0040 }, /* P4: Front port (OC2) */
+ { 0, 0, 0x0000 }, /* P5: Empty */
+ { 0, 0, 0x0000 }, /* P6: Empty */
+ { 0, 0, 0x0000 }, /* P7: Empty */
+ { 1, 4, 0x0040 }, /* P8: Back port (OC4) */
+ { 1, 4, 0x0040 }, /* P9: MINIPCIE3 (no OC) */
+ { 1, 4, 0x0040 }, /* P10: BLUETOOTH (no OC) */
+ { 0, 4, 0x0000 }, /* P11: Empty */
+ { 1, 6, 0x0040 }, /* P12: Back port (OC6) */
+ { 1, 5, 0x0040 }, /* P13: Back port (OC5) */
+ },
+ };
+ *pei_data = pei_data_template;
+}
+
+const struct southbridge_usb_port mainboard_usb_ports[] = {
+ /* enabled power usb oc pin */
+ { 1, 0, 0 }, /* P0: Front port (OC0) */
+ { 1, 0, 1 }, /* P1: Back port (OC1) */
+ { 1, 0, -1 }, /* P2: MINIPCIE1 (no OC) */
+ { 1, 0, -1 }, /* P3: MMC (no OC) */
+ { 1, 0, 2 }, /* P4: Front port (OC2) */
+ { 0, 0, -1 }, /* P5: Empty */
+ { 0, 0, -1 }, /* P6: Empty */
+ { 0, 0, -1 }, /* P7: Empty */
+ { 1, 0, 4 }, /* P8: Back port (OC4) */
+ { 1, 0, -1 }, /* P9: MINIPCIE3 (no OC) */
+ { 1, 0, -1 }, /* P10: BLUETOOTH (no OC) */
+ { 0, 0, -1 }, /* P11: Empty */
+ { 1, 0, 6 }, /* P12: Back port (OC6) */
+ { 1, 0, 5 }, /* P13: Back port (OC5) */
+};
+
+void mainboard_get_spd(spd_raw_data *spd, bool id_only)
+{
+ read_spd(&spd[0], 0x50, id_only);
+ read_spd(&spd[2], 0x52, id_only);
+}
+
+int mainboard_should_reset_usb(int s3resume)
+{
+ return !s3resume;
+}