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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/samsung/lumpy/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/samsung/lumpy/early_init.c')
-rw-r--r--src/mainboard/samsung/lumpy/early_init.c234
1 files changed, 234 insertions, 0 deletions
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 <stdint.h>
+#include <string.h>
+#include <arch/io.h>
+#include <device/pci_ops.h>
+#include <device/pci_def.h>
+#include <cpu/x86/lapic.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <bootmode.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>
+#include "option_table.h"
+#if CONFIG(DRIVERS_UART_8250IO)
+#include <superio/smsc/lpc47n207/lpc47n207.h>
+#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;
+}