Mtl dgpu

src/board/novacustom/v540tnx/board.c

@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
+#include <board/board.h>
+#include <board/battery.h>
+#include <board/gpio.h>
+#include <board/espi.h>
+#include <common/debug.h>
+#include <ec/adc.h>
+#include <ec/ec.h>
+
+void board_init(void) {
+    espi_init();
+    battery_charger_disable();
+
+    // Allow backlight to be turned on
+    gpio_set(&BKL_EN, true);
+    // Enable camera
+    gpio_set(&CCD_EN, true);
+
+    adc_init();
+}
+
+uint8_t board_id(void) {
+    static bool cached = false;
+    static uint8_t board_id = 0;
+
+    if (cached)
+        return board_id;
+
+    int16_t id = adc_read_channel(7);
+    if (id < 0) {
+        ERROR("Board ID error %ld, defaulting to V54 GN20P\n", id);
+        board_id = 0;
+        goto exit;
+    }
+
+    if (id < 250) {
+        INFO("Board ID: V54 GN20P\n");
+        board_id = 0;
+        goto exit;
+    }
+
+    if (id < 800) {
+        INFO("Board ID: V56 GN20P\n");
+        board_id = 1;
+        goto exit;
+    }
+
+    if (id < 1800) {
+        INFO("Board ID: V54 GN21-X4/X2\n");
+        board_id = 2;
+        goto exit;
+    }
+
+    if (id < 2400) {
+        INFO("Board ID: V54 GN21-X6\n");
+        board_id = 3;
+        goto exit;
+    }
+
+    if (id < 2800) {
+        INFO("Board ID: V56 GN21-X4/X2\n");
+        board_id = 4;
+        goto exit;
+    }
+
+    INFO("Board ID: V56 GN21-X6\n");
+    board_id = 5;
+
+exit:
+    cached = true;
+    return board_id;
+}
+
+void board_event(void) {
+    espi_event();
+
+    board_id();
+
+    ec_read_post_codes();
+}

src/board/novacustom/v540tnx/board.mk

@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
+board-y += board.c
+board-y += gpio.c
+
+EC = ite
+CONFIG_EC_ITE_IT5570E = y
+
+# Enable eSPI
+CONFIG_BUS_ESPI = y
+
+# Use S0ix
+CFLAGS+=-DUSE_S0IX=1
+
+# Include keyboard
+KEYBOARD = 14in_83
+KEYMAP=combo_iso_ansi_micmute
+
+# Set keyboard LED mechanism
+KBLED=white_dac
+CFLAGS+=-DKBLED_DAC=2
+
+# Set discrete GPU I2C bus
+CFLAGS+=-DI2C_DGPU=I2C_1
+
+# Set battery I2C bus
+CFLAGS += -DI2C_SMBUS=I2C_4
+
+# Set touchpad PS2 bus
+CFLAGS += -DPS2_TOUCHPAD=PS2_3
+
+# Set USB-PD I2C bus
+CFLAGS+=-DI2C_USBPD=I2C_1
+
+# Set smart charger parameters
+CHARGER = oz26786
+CFLAGS += \
+	-DCHARGER_ADAPTER_RSENSE=5 \
+	-DCHARGER_BATTERY_RSENSE=10 \
+	-DCHARGER_CHARGE_CURRENT=1536 \
+	-DCHARGER_CHARGE_VOLTAGE=17600 \
+	-DCHARGER_INPUT_CURRENT=9000
+
+# Set CPU power limits in watts and disable setting PSYS
+# AC: power rating of the included AC adapter
+# DC: battery discharge rate (1c discharge rate)
+CFLAGS += \
+	-DPOWER_LIMIT_PSYS_ENABLE=0 \
+	-DPOWER_LIMIT_AC=180 \
+	-DPOWER_LIMIT_DC=80
+
+# 20V power supply
+CFLAGS += -DAC_ADAPTER_VOLTAGE=20
+
+# DGPU support
+CFLAGS+=-DHAVE_DGPU=1 -DGPU_FAN1=3
+
+# D-notifier support for NVIDIA
+CFLAGS+= -DHAVE_D_NOTIFY=1 \
+	-DD_NOTIFY_D1_MIN_W=180 \
+	-DD_NOTIFY_D2_MIN_W=80 \
+	-DD_NOTIFY_D3_MIN_W=75 \
+	-DD_NOTIFY_D4_MIN_W=70 \
+	-DD_NOTIFY_D5_MIN_W=65
+
+# Set USB-PD parameters
+USBPD=tps65987
+
+# Add common code
+include src/board/system76/common/common.mk