x86: Add Intel Cougar Canyon 2 board

This adds basic support to Intel Cougar Canyon 2 board, a board
based on Chief River platform with an Ivy Bridge processor and
a Panther Point chipset.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

5 files changed, 105 insertions, 0 deletions

diff --git a/board/intel/cougarcanyon2/Kconfig b/board/intel/cougarcanyon2/Kconfig
new file mode 100644
index 0000000000..95a617b725
--- /dev/null
+++ b/board/intel/cougarcanyon2/Kconfig
@@ -0,0 +1,25 @@
+if TARGET_COUGARCANYON2
+
+config SYS_BOARD
+	default "cougarcanyon2"
+
+config SYS_VENDOR
+	default "intel"
+
+config SYS_SOC
+	default "ivybridge"
+
+config SYS_CONFIG_NAME
+	default "cougarcanyon2"
+
+config SYS_TEXT_BASE
+	default 0xffe00000
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+	select X86_RESET_VECTOR
+	select NORTHBRIDGE_INTEL_IVYBRIDGE
+	select HAVE_FSP
+	select BOARD_ROMSIZE_KB_2048
+
+endif
diff --git a/board/intel/cougarcanyon2/MAINTAINERS b/board/intel/cougarcanyon2/MAINTAINERS
new file mode 100644
index 0000000000..a486739b5e
--- /dev/null
+++ b/board/intel/cougarcanyon2/MAINTAINERS
@@ -0,0 +1,6 @@
+INTEL COUGAR CANYON 2 BOARD
+M:	Bin Meng <bmeng.cn@gmail.com>
+S:	Maintained
+F:	board/intel/cougarcanyon2/
+F:	include/configs/cougarcanyon2.h
+F:	configs/cougarcanyon2_defconfig
diff --git a/board/intel/cougarcanyon2/Makefile b/board/intel/cougarcanyon2/Makefile
new file mode 100644
index 0000000000..abd924c6b3
--- /dev/null
+++ b/board/intel/cougarcanyon2/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	+= cougarcanyon2.o start.o
diff --git a/board/intel/cougarcanyon2/cougarcanyon2.c b/board/intel/cougarcanyon2/cougarcanyon2.c
new file mode 100644
index 0000000000..31a480a615
--- /dev/null
+++ b/board/intel/cougarcanyon2/cougarcanyon2.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <pci.h>
+#include <smsc_sio1007.h>
+#include <asm/ibmpc.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+
+#define SIO1007_RUNTIME_IOPORT	0x180
+
+int board_early_init_f(void)
+{
+	struct udevice *pch;
+	int ret;
+
+	ret = uclass_first_device(UCLASS_PCH, &pch);
+	if (ret)
+		return ret;
+	if (!pch)
+		return -ENODEV;
+
+	/* Initialize LPC interface to turn on superio chipset decode range */
+	dm_pci_write_config16(pch, LPC_IO_DEC, COMA_DEC_RANGE | COMB_DEC_RANGE);
+	dm_pci_write_config16(pch, LPC_EN, KBC_LPC_EN | COMA_LPC_EN);
+	dm_pci_write_config32(pch, LPC_GEN1_DEC, GEN_DEC_RANGE_256B |
+			      (SIO1007_IOPORT3 & 0xff00) | GEN_DEC_RANGE_EN);
+	dm_pci_write_config32(pch, LPC_GEN2_DEC, GEN_DEC_RANGE_16B |
+			      SIO1007_RUNTIME_IOPORT | GEN_DEC_RANGE_EN);
+
+	/* Enable legacy serial port at 0x3f8 */
+	sio1007_enable_serial(SIO1007_IOPORT3, 0, UART0_BASE, UART0_IRQ);
+
+	/* Enable SIO1007 runtime I/O port at 0x180 */
+	sio1007_enable_runtime(SIO1007_IOPORT3, SIO1007_RUNTIME_IOPORT);
+
+	/*
+	 * On Cougar Canyon 2 board, the RS232 transiver connected to serial
+	 * port 0 (0x3f8) is controlled by a GPIO pin (GPIO10) on the SIO1007.
+	 * Set the pin value to 1 to enable the RS232 transiver.
+	 */
+	sio1007_gpio_config(SIO1007_IOPORT3, 0, GPIO_DIR_OUTPUT,
+			    GPIO_POL_NO_INVERT, GPIO_TYPE_PUSH_PULL);
+	sio1007_gpio_set_value(SIO1007_RUNTIME_IOPORT, 0, 1);
+
+	return 0;
+}
+
+void setup_pch_gpios(u16 gpiobase, const struct pch_gpio_map *gpio)
+{
+	return;
+}
diff --git a/board/intel/cougarcanyon2/start.S b/board/intel/cougarcanyon2/start.S
new file mode 100644
index 0000000000..d8f227c706
--- /dev/null
+++ b/board/intel/cougarcanyon2/start.S
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+.globl early_board_init
+early_board_init:
+	jmp	early_board_init_ret