siemens/mc_apl3: Add new mainboard variant mc_apl3
This mainboard is based on mc_apl1. In a first step, it concerns a copy
of mc_apl1 directory with minimum changes. Special adaptations for
mc_apl3 mainboard will follow in separate commits.
Change-Id: I963ec63bccf71296c3fdabfcf9f3009c2febc791
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/29353
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
diff --git a/src/mainboard/siemens/mc_apl1/Kconfig b/src/mainboard/siemens/mc_apl1/Kconfig
index 783207c..ee86a4d 100644
--- a/src/mainboard/siemens/mc_apl1/Kconfig
+++ b/src/mainboard/siemens/mc_apl1/Kconfig
@@ -18,11 +18,13 @@
string
default "mc_apl1" if BOARD_SIEMENS_MC_APL1
default "mc_apl2" if BOARD_SIEMENS_MC_APL2
+ default "mc_apl3" if BOARD_SIEMENS_MC_APL3
config MAINBOARD_PART_NUMBER
string
default "MC APL1" if BOARD_SIEMENS_MC_APL1
default "MC APL2" if BOARD_SIEMENS_MC_APL2
+ default "MC APL3" if BOARD_SIEMENS_MC_APL3
config MAX_CPUS
int
diff --git a/src/mainboard/siemens/mc_apl1/Kconfig.name b/src/mainboard/siemens/mc_apl1/Kconfig.name
index 7f5f263..e1c2aa1 100644
--- a/src/mainboard/siemens/mc_apl1/Kconfig.name
+++ b/src/mainboard/siemens/mc_apl1/Kconfig.name
@@ -5,3 +5,7 @@
config BOARD_SIEMENS_MC_APL2
bool "-> MC APL2"
select BOARD_SIEMENS_BASEBOARD_MC_APL1
+
+config BOARD_SIEMENS_MC_APL3
+ bool "-> MC APL3"
+ select BOARD_SIEMENS_BASEBOARD_MC_APL1
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/Kconfig b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/Kconfig
new file mode 100644
index 0000000..3c5a9fa
--- /dev/null
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/Kconfig
@@ -0,0 +1,16 @@
+
+if BOARD_SIEMENS_MC_APL3
+
+config BOARD_SIEMENS_MC_APL3_VAR
+ def_bool y
+ select DRIVER_INTEL_I210
+ select DRIVERS_I2C_RX6110SA
+ select DRIVER_SIEMENS_NC_FPGA
+ select NC_FPGA_NOTIFY_CB_READY
+ select APL_SKIP_SET_POWER_LIMITS
+
+config DEVICETREE
+ string
+ default "variants/mc_apl3/devicetree.cb"
+
+endif # BOARD_SIEMENS_MC_APL3
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/Makefile.inc
new file mode 100644
index 0000000..f3c87b2
--- /dev/null
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/Makefile.inc
@@ -0,0 +1 @@
+ramstage-y += mainboard.c
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb
new file mode 100644
index 0000000..f3e8a77
--- /dev/null
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb
@@ -0,0 +1,119 @@
+chip soc/intel/apollolake
+
+ device cpu_cluster 0 on
+ device lapic 0 on end
+ end
+
+ register "sci_irq" = "SCIS_IRQ10"
+
+ # Disable unused clkreq of PCIe root ports
+ register "pcie_rp_clkreq_pin[0]" = "3" # PCIe-PCI-Bridge
+ register "pcie_rp_clkreq_pin[1]" = "2" # FPGA
+ register "pcie_rp_clkreq_pin[2]" = "0" # MACPHY
+ register "pcie_rp_clkreq_pin[3]" = "1" # MACPHY
+ register "pcie_rp_clkreq_pin[4]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[5]" = "CLKREQ_DISABLED"
+
+ # EMMC TX DATA Delay 1
+ # Refer to EDS-Vol2-22.3.
+ # [14:8] steps of delay for HS400, each 125ps.
+ # [6:0] steps of delay for SDR104/HS200, each 125ps.
+ register "emmc_tx_data_cntl1" = "0x0C16"
+
+ # EMMC TX DATA Delay 2
+ # Refer to EDS-Vol2-22.3.
+ # [30:24] steps of delay for SDR50, each 125ps.
+ # [22:16] steps of delay for DDR50, each 125ps.
+ # [14:8] steps of delay for SDR25/HS50, each 125ps.
+ # [6:0] steps of delay for SDR12, each 125ps.
+ register "emmc_tx_data_cntl2" = "0x28162828"
+
+ # EMMC RX CMD/DATA Delay 1
+ # Refer to EDS-Vol2-22.3.
+ # [30:24] steps of delay for SDR50, each 125ps.
+ # [22:16] steps of delay for DDR50, each 125ps.
+ # [14:8] steps of delay for SDR25/HS50, each 125ps.
+ # [6:0] steps of delay for SDR12, each 125ps.
+ register "emmc_rx_cmd_data_cntl1" = "0x00181717"
+
+ # EMMC RX CMD/DATA Delay 2
+ # Refer to EDS-Vol2-22.3.
+ # [17:16] stands for Rx Clock before Output Buffer
+ # [14:8] steps of delay for Auto Tuning Mode, each 125ps.
+ # [6:0] steps of delay for HS200, each 125ps.
+ register "emmc_rx_cmd_data_cntl2" = "0x10008"
+
+ # 0:HS400(Default), 1:HS200, 2:DDR50
+ register "emmc_host_max_speed" = "2"
+
+ # Intel Common SoC Config
+ #+-------------------+---------------------------+
+ #| Field | Value |
+ #+-------------------+---------------------------+
+ #| I2C0 | Proximity Sensor |
+ #+-------------------+---------------------------+
+ register "common_soc_config" = "{
+ .i2c[0] = {
+ .speed = I2C_SPEED_STANDARD
+ },
+ }"
+
+ device domain 0 on
+ device pci 00.0 on end # - Host Bridge
+ device pci 00.1 off end # - DPTF
+ device pci 00.2 off end # - NPK
+ device pci 02.0 on end # - Gen - Display
+ device pci 03.0 off end # - Iunit
+ device pci 0d.0 on end # - P2SB
+ device pci 0d.1 off end # - PMC
+ device pci 0d.2 on end # - SPI
+ device pci 0d.3 off end # - Shared SRAM
+ device pci 0e.0 off end # - Audio
+ device pci 11.0 on end # - ISH
+ device pci 12.0 on end # - SATA
+ device pci 13.0 on end # - RP 2 - PCIe A 0 - MACPHY
+ device pci 13.1 on end # - RP 3 - PCIe A 1 - MACPHY
+ device pci 13.2 off end # - RP 4 - PCIe-A 2
+ device pci 13.3 off end # - RP 5 - PCIe-A 3
+ device pci 14.0 on end # - RP 0 - PCIe-B 0 - PCIe-PCI-Bridge
+ device pci 14.1 on end # - RP 1 - PCIe-B 1 - FPGA
+ device pci 15.0 on end # - XHCI
+ device pci 15.1 off end # - XDCI
+ device pci 16.0 on # - I2C 0
+ # Enable external RTC chip
+ chip drivers/i2c/rx6110sa
+ register "pmon_sampling" = "PMON_SAMPL_256_MS"
+ register "bks_on" = "0"
+ register "bks_off" = "1"
+ register "iocut_en" = "1"
+ register "set_user_date" = "1"
+ register "user_year" = "04"
+ register "user_month" = "07"
+ register "user_day" = "01"
+ register "user_weekday" = "4"
+ device i2c 0x32 on end # RTC RX6110 SA
+ end
+ end
+ device pci 16.1 off end # - I2C 1
+ device pci 16.2 off end # - I2C 2
+ device pci 16.3 off end # - I2C 3
+ device pci 17.0 off end # - I2C 4
+ device pci 17.1 off end # - I2C 5
+ device pci 17.2 off end # - I2C 6
+ device pci 17.3 on end # - I2C 7
+ device pci 18.0 on end # - UART 0
+ device pci 18.1 on end # - UART 1
+ device pci 18.2 on end # - UART 2
+ device pci 18.3 on end # - UART 3
+ device pci 19.0 off end # - SPI 0
+ device pci 19.1 off end # - SPI 1
+ device pci 19.2 off end # - SPI 2
+ device pci 1a.0 off end # - PWM
+ device pci 1b.0 off end # - SDCARD
+ device pci 1c.0 on end # - eMMC
+ device pci 1d.0 off end # - UFS
+ device pci 1e.0 off end # - SDIO
+ device pci 1f.0 on end # - LPC
+ device pci 1f.1 on end # - SMBUS
+ end
+end
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c
new file mode 100644
index 0000000..ccf3ab8
--- /dev/null
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c
@@ -0,0 +1,98 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Siemens AG
+ *
+ * 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 <bootstate.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <gpio.h>
+#include <hwilib.h>
+#include <intelblocks/lpc_lib.h>
+#include <intelblocks/pcr.h>
+#include <soc/pcr_ids.h>
+#include <timer.h>
+#include <timestamp.h>
+#include <baseboard/variants.h>
+
+#define TX_DWORD3 0xa8c
+
+void variant_mainboard_final(void)
+{
+ struct device *dev = NULL;
+
+ /*
+ * PIR6 register mapping for PCIe root ports
+ * INTA#->PIRQB#, INTB#->PIRQC#, INTC#->PIRQD#, INTD#-> PIRQA#
+ */
+ pcr_write16(PID_ITSS, 0x314c, 0x0321);
+
+ /* Disable clock outputs 1-5 (CLKOUT) for XIO2001 PCIe to PCI Bridge. */
+ dev = dev_find_device(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XIO2001, 0);
+ if (dev)
+ pci_write_config8(dev, 0xd8, 0x3e);
+
+ /* Enable CLKRUN_EN for power gating LPC */
+ lpc_enable_pci_clk_cntl();
+
+ /*
+ * Enable LPC PCE (Power Control Enable) by setting IOSF-SB port 0xD2
+ * offset 0x341D bit3 and bit0.
+ * Enable LPC CCE (Clock Control Enable) by setting IOSF-SB port 0xD2
+ * offset 0x341C bit [3:0].
+ */
+ pcr_or32(PID_LPC, PCR_LPC_PRC, (PCR_LPC_CCE_EN | PCR_LPC_PCE_EN));
+
+ /*
+ * Correct the SATA transmit signal via the High Speed I/O Transmit
+ * Control Register 3.
+ * Bit [23:16] set the output voltage swing for TX line.
+ * The value 0x4a sets the swing level to 0.58 V.
+ */
+ pcr_rmw32(PID_MODPHY, TX_DWORD3, (0x00 << 16), (0x4a << 16));
+}
+
+static void wait_for_legacy_dev(void *unused)
+{
+ uint32_t legacy_delay, us_since_boot;
+ struct stopwatch sw;
+
+ /* Open main hwinfo block. */
+ if (hwilib_find_blocks("hwinfo.hex") != CB_SUCCESS)
+ return;
+
+ /* Get legacy delay parameter from hwinfo. */
+ if (hwilib_get_field(LegacyDelay, (uint8_t *) &legacy_delay,
+ sizeof(legacy_delay)) != sizeof(legacy_delay))
+ return;
+
+ us_since_boot = get_us_since_boot();
+ /* No need to wait if the time since boot is already long enough.*/
+ if (us_since_boot > legacy_delay)
+ return;
+ stopwatch_init_msecs_expire(&sw, (legacy_delay - us_since_boot) / 1000);
+ printk(BIOS_NOTICE, "Wait remaining %d of %d us for legacy devices...",
+ legacy_delay - us_since_boot, legacy_delay);
+ stopwatch_wait_until_expired(&sw);
+ printk(BIOS_NOTICE, "done!\n");
+}
+
+static void finalize_boot(void *unused)
+{
+ /* Set coreboot ready LED. */
+ gpio_output(CNV_RGI_DT, 1);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_DEV_ENUMERATE, BS_ON_ENTRY, wait_for_legacy_dev, NULL);
+BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, finalize_boot, NULL);