purin: add basic set of files for libpayload

BUG=none
BRANCH=tot
TEST=emerge-purin libpayload depthcharge coreboot chromeos-bootimage

Change-Id: I6a46067a288ecea352a2724c62c62066e3f4a383
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 355371317dde0546fbab2cd109bc17463f77c4fd
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Change-Id: I8c43acc4d270c3b2d7c18af07c077a553e3c6f6f
Original-Reviewed-on: https://chromium-review.googlesource.com/245492
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9753
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

payloads/libpayload/Config.in

@@ -214,6 +214,11 @@ config BG4CD_SERIAL_CONSOLE
 	depends on SERIAL_CONSOLE
 	default n
 
+config CYGNUS_SERIAL_CONSOLE
+	bool "Serial port driver for Cygnus"
+	depends on SERIAL_CONSOLE
+	default n
+
 config PL011_SERIAL_CONSOLE
 	bool "PL011 compatible serial port driver"
 	depends on 8250_SERIAL_CONSOLE
@@ -399,6 +404,9 @@ config TIMER_RK
 config TIMER_BG4CD
 	bool "Marvell BG4CD"
 
+config TIMER_CYGNUS
+	bool "Timer for Cygnus"
+
 config TIMER_IMG_PISTACHIO
 	bool "Timer for IMG Pistachio"
 

payloads/libpayload/configs/config.purin

@@ -0,0 +1,69 @@
+#
+# Generic Options
+#
+CONFIG_LP_GPL=y
+# CONFIG_LP_EXPERIMENTAL is not set
+# CONFIG_LP_OBSOLETE is not set
+# CONFIG_LP_DEVELOPER is not set
+# CONFIG_LP_REMOTEGDB is not set
+CONFIG_LP_CHROMEOS=y
+
+#
+# Architecture Options
+#
+CONFIG_LP_ARCH_ARM=y
+# CONFIG_LP_ARCH_X86 is not set
+# CONFIG_LP_ARCH_ARM64 is not set
+# CONFIG_LP_MEMMAP_RAM_ONLY is not set
+
+#
+# Standard Libraries
+#
+CONFIG_LP_LIBC=y
+# CONFIG_LP_CURSES is not set
+CONFIG_LP_CBFS=y
+CONFIG_LP_LZMA=y
+
+#
+# Console Options
+#
+CONFIG_LP_SKIP_CONSOLE_INIT=y
+CONFIG_LP_CBMEM_CONSOLE=y
+CONFIG_LP_SERIAL_CONSOLE=y
+# CONFIG_LP_8250_SERIAL_CONSOLE is not set
+# CONFIG_LP_S5P_SERIAL_CONSOLE is not set
+# CONFIG_LP_8250_MMIO32_SERIAL_CONSOLE is not set
+# CONFIG_LP_IPQ806X_SERIAL_CONSOLE is not set
+# CONFIG_LP_BG4CD_SERIAL_CONSOLE is not set
+# CONFIG_LP_SERIAL_SET_SPEED is not set
+# CONFIG_LP_SERIAL_ACS_FALLBACK is not set
+# CONFIG_LP_VIDEO_CONSOLE is not set
+# CONFIG_LP_PC_KEYBOARD is not set
+CONFIG_LP_CYGNUS_SERIAL_CONSOLE=y
+
+#
+# Drivers
+#
+# CONFIG_LP_RTC_PORT_EXTENDED_VIA is not set
+# CONFIG_LP_STORAGE is not set
+# CONFIG_LP_TIMER_NONE is not set
+# CONFIG_LP_TIMER_MCT is not set
+# CONFIG_LP_TIMER_TEGRA_1US is not set
+# CONFIG_LP_TIMER_IPQ806X is not set
+# CONFIG_LP_TIMER_RK is not set
+# CONFIG_LP_TIMER_BG4CD is not set
+CONFIG_LP_TIMER_CYGNUS=y
+CONFIG_LP_USB=y
+# CONFIG_LP_USB_OHCI is not set
+# CONFIG_LP_USB_EHCI is not set
+# CONFIG_LP_USB_XHCI is not set
+# CONFIG_LP_USB_DWC2 is not set
+# CONFIG_LP_USB_HID is not set
+# CONFIG_LP_USB_HUB is not set
+# CONFIG_LP_USB_MSC is not set
+# CONFIG_LP_USB_PCI is not set
+# CONFIG_LP_USB_GEN_HUB is not set
+# CONFIG_LP_BIG_ENDIAN is not set
+CONFIG_LP_LITTLE_ENDIAN=y
+# CONFIG_LP_IO_ADDRESS_SPACE is not set
+CONFIG_LP_ARCH_SPECIFIC_OPTIONS=y

payloads/libpayload/drivers/Makefile.inc

@@ -38,6 +38,7 @@ libc-$(CONFIG_LP_S5P_SERIAL_CONSOLE) += serial/s5p.c
 libc-$(CONFIG_LP_8250_MMIO32_SERIAL_CONSOLE) += serial/8250_mmio32.c
 libc-$(CONFIG_LP_IPQ806X_SERIAL_CONSOLE) += serial/ipq806x.c
 libc-$(CONFIG_LP_BG4CD_SERIAL_CONSOLE) += serial/bg4cd.c
+libc-$(CONFIG_LP_CYGNUS_SERIAL_CONSOLE) += serial/cygnus.c
 libc-$(CONFIG_LP_PC_KEYBOARD) += keyboard.c
 
 libc-$(CONFIG_LP_CBMEM_CONSOLE) += cbmem_console.c
@@ -53,6 +54,7 @@ libc-$(CONFIG_LP_TIMER_IPQ806X) += timer/ipq806x.c
 libc-$(CONFIG_LP_TIMER_RK) += timer/rktimer.c
 libc-$(CONFIG_LP_TIMER_BG4CD) += timer/bg4cd.c
 libc-$(CONFIG_LP_TIMER_IMG_PISTACHIO) += timer/img_pistachio.c
+libc-$(CONFIG_LP_TIMER_CYGNUS) += timer/cygnus.c
 
 # Video console drivers
 libc-$(CONFIG_LP_VIDEO_CONSOLE) += video/video.c

payloads/libpayload/drivers/serial/cygnus.c

@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Google Electronics
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <libpayload-config.h>
+#include <libpayload.h>
+
+void serial_putchar(unsigned int c)
+{
+}
+
+int serial_havechar(void)
+{
+	return 0;
+}
+
+int serial_getchar(void)
+{
+	return 0;
+}
+
+static struct console_input_driver consin = {
+	.havekey = &serial_havechar,
+	.getchar = &serial_getchar
+};
+
+static struct console_output_driver consout = {
+	.putchar = &serial_putchar
+};
+
+void serial_console_init(void)
+{
+	console_add_input_driver(&consin);
+	console_add_output_driver(&consout);
+}

payloads/libpayload/drivers/timer/cygnus.c

@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Google Electronics
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <libpayload.h>
+
+uint64_t timer_hz(void)
+{
+	return 0;
+}
+
+uint64_t timer_raw_value(void)
+{
+	return 0;
+}