[U-Boot] [PATCH 10/10] x86: Add Intel Cougar Canyon 2 board

[Bin Meng <bmeng.cn@gmail.com>]

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>

---

 arch/x86/dts/Makefile                     |  1 +
 arch/x86/dts/cougarcanyon2.dts            | 96 +++++++++++++++++++++++++++++++
 board/intel/Kconfig                       |  9 +++
 board/intel/cougarcanyon2/Kconfig         | 25 ++++++++
 board/intel/cougarcanyon2/MAINTAINERS     |  6 ++
 board/intel/cougarcanyon2/Makefile        |  7 +++
 board/intel/cougarcanyon2/cougarcanyon2.c | 48 ++++++++++++++++
 board/intel/cougarcanyon2/start.S         |  9 +++
 configs/cougarcanyon2_defconfig           | 21 +++++++
 include/configs/cougarcanyon2.h           | 34 +++++++++++
 10 files changed, 256 insertions(+)
 create mode 100644 arch/x86/dts/cougarcanyon2.dts
 create mode 100644 board/intel/cougarcanyon2/Kconfig
 create mode 100644 board/intel/cougarcanyon2/MAINTAINERS
 create mode 100644 board/intel/cougarcanyon2/Makefile
 create mode 100644 board/intel/cougarcanyon2/cougarcanyon2.c
 create mode 100644 board/intel/cougarcanyon2/start.S
 create mode 100644 configs/cougarcanyon2_defconfig
 create mode 100644 include/configs/cougarcanyon2.h

diff --git a/arch/x86/dts/Makefile b/arch/x86/dts/Makefile
index 64e5694..84feb19 100644
--- a/arch/x86/dts/Makefile
+++ b/arch/x86/dts/Makefile
@@ -5,6 +5,7 @@
 dtb-y += bayleybay.dtb \
 	chromebook_link.dtb \
 	chromebox_panther.dtb \
+	cougarcanyon2.dtb \
 	crownbay.dtb \
 	efi.dtb \
 	galileo.dtb \
diff --git a/arch/x86/dts/cougarcanyon2.dts b/arch/x86/dts/cougarcanyon2.dts
new file mode 100644
index 0000000..486999e
--- /dev/null
+++ b/arch/x86/dts/cougarcanyon2.dts
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+/include/ "serial.dtsi"
+/include/ "keyboard.dtsi"
+/include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
+
+/ {
+	model = "Intel Cougar Canyon 2";
+	compatible = "intel,cougarcanyon2", "intel,chiefriver";
+
+	aliases {
+		spi0 = "/spi";
+	};
+
+	config {
+		silent_console = <0>;
+	};
+
+	chosen {
+		stdout-path = "/serial";
+	};
+
+	microcode {
+		update at 0 {
+#include "microcode/m12306a2_00000008.dtsi"
+		};
+		update at 1 {
+#include "microcode/m12306a4_00000007.dtsi"
+		};
+		update at 2 {
+#include "microcode/m12306a5_00000007.dtsi"
+		};
+		update at 3 {
+#include "microcode/m12306a8_00000010.dtsi"
+		};
+		update at 4 {
+#include "microcode/m12306a9_0000001b.dtsi"
+		};
+	};
+
+	fsp {
+		compatible = "intel,ivybridge-fsp";
+		fsp,enable-ht;
+	};
+
+	pci {
+		#address-cells = <3>;
+		#size-cells = <2>;
+		compatible = "pci-x86";
+		u-boot,dm-pre-reloc;
+		ranges = <0x02000000 0x0 0xc0000000 0xc0000000 0 0x10000000
+			  0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
+			  0x01000000 0x0 0x2000 0x2000 0 0xe000>;
+	};
+
+	gpioa {
+		compatible = "intel,ich6-gpio";
+		u-boot,dm-pre-reloc;
+		reg = <0 0x10>;
+		bank-name = "A";
+	};
+
+	gpiob {
+		compatible = "intel,ich6-gpio";
+		u-boot,dm-pre-reloc;
+		reg = <0x30 0x10>;
+		bank-name = "B";
+	};
+
+	gpioc {
+		compatible = "intel,ich6-gpio";
+		u-boot,dm-pre-reloc;
+		reg = <0x40 0x10>;
+		bank-name = "C";
+	};
+
+	spi {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "intel,ich-spi";
+		spi-flash at 0 {
+			reg = <0>;
+			compatible = "winbond,w25q64bv", "spi-flash";
+			memory-map = <0xff800000 0x00800000>;
+		};
+	};
+
+};
diff --git a/board/intel/Kconfig b/board/intel/Kconfig
index f7d71c3..4d341aa 100644
--- a/board/intel/Kconfig
+++ b/board/intel/Kconfig
@@ -18,6 +18,14 @@ config TARGET_BAYLEYBAY
 	  4GB memory, HDMI/DP/VGA display, HD audio, SATA, USB2, USB3, SD, eMMC,
 	  PCIe and some other sensor interfaces.
 
+config TARGET_COUGARCANYON2
+	bool "Cougar Canyon 2"
+	help
+	  This is the Intel Cougar Canyon 2 Customer Reference Board. It
+	  is built on the Chief River platform with Intel Ivybridge Processor
+	  and Panther Point chipset. The board has 4GB RAM, with some other
+	  peripheral connectors for PCIe/SATA/USB2/USB3/LAN/UART/PS2/VGA/HDMI.
+
 config TARGET_CROWNBAY
 	bool "Crown Bay"
 	help
@@ -54,6 +62,7 @@ config TARGET_MINNOWMAX
 endchoice
 
 source "board/intel/bayleybay/Kconfig"
+source "board/intel/cougarcanyon2/Kconfig"
 source "board/intel/crownbay/Kconfig"
 source "board/intel/galileo/Kconfig"
 source "board/intel/minnowmax/Kconfig"
diff --git a/board/intel/cougarcanyon2/Kconfig b/board/intel/cougarcanyon2/Kconfig
new file mode 100644
index 0000000..95a617b
--- /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 0000000..a486739
--- /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 0000000..807f284
--- /dev/null
+++ b/board/intel/cougarcanyon2/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2015, 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 0000000..4cc47fb
--- /dev/null
+++ b/board/intel/cougarcanyon2/cougarcanyon2.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/ibmpc.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+#include <pci.h>
+#include <smsc_sio1007.h>
+
+#define SIO1007_RUNTIME_IOPORT	0x180
+
+int board_early_init_f(void)
+{
+	/* Initialize LPC interface to turn on superio chipset decode range */
+	x86_pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC,
+			       COMA_DEC_RANGE | COMB_DEC_RANGE);
+	x86_pci_write_config16(PCH_LPC_DEV, LPC_EN, KBC_LPC_EN | COMA_LPC_EN);
+	x86_pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, GEN_DEC_RANGE_256B |
+			       (SIO1007_IOPORT3 & 0xff00) | GEN_DEC_RANGE_EN);
+	x86_pci_write_config32(PCH_LPC_DEV, 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 0000000..a71db69
--- /dev/null
+++ b/board/intel/cougarcanyon2/start.S
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+.globl early_board_init
+early_board_init:
+	jmp	early_board_init_ret
diff --git a/configs/cougarcanyon2_defconfig b/configs/cougarcanyon2_defconfig
new file mode 100644
index 0000000..2d23dc3
--- /dev/null
+++ b/configs/cougarcanyon2_defconfig
@@ -0,0 +1,21 @@
+CONFIG_X86=y
+CONFIG_VENDOR_INTEL=y
+CONFIG_DEFAULT_DEVICE_TREE="cougarcanyon2"
+CONFIG_TARGET_COUGARCANYON2=y
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NFS is not set
+CONFIG_OF_CONTROL=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DM_PCI=y
+CONFIG_DM_RTC=y
+CONFIG_SYS_NS16550=y
+CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_SYS_VSNPRINTF=y
diff --git a/include/configs/cougarcanyon2.h b/include/configs/cougarcanyon2.h
new file mode 100644
index 0000000..faac552
--- /dev/null
+++ b/include/configs/cougarcanyon2.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <configs/x86-common.h>
+
+#define CONFIG_SYS_MONITOR_LEN		(2 << 20)
+#define CONFIG_BOARD_EARLY_INIT_F
+
+#define CONFIG_SMSC_SIO1007
+
+#define CONFIG_PCI_PNP
+
+#define CONFIG_STD_DEVICES_SETTINGS	"stdin=serial,i8042-kbd,usbkbd\0" \
+					"stdout=serial,vga\0" \
+					"stderr=serial,vga\0"
+
+#define CONFIG_SCSI_DEV_LIST		\
+	{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PANTHERPOINT_AHCI_MOBILE}
+
+/* Environment configuration */
+#define CONFIG_ENV_SECT_SIZE		0x1000
+#define CONFIG_ENV_OFFSET		0x5ff000
+
+/* Video is not supported for now */
+#undef CONFIG_VIDEO
+#undef CONFIG_CFB_CONSOLE
+
+#endif	/* __CONFIG_H */
-- 
1.8.2.1