ARM: add SBx81LIFKW board

This is a series of line cards for Allied Telesis's SBx8100 chassis
switch. The CPU block is common to the SBx81GS24a, SBx81XS6, SBx81XS16
and SBx81GT40 cards collectively referred to as SBx81LIFKW in u-boot.

Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>

5 files changed, 260 insertions, 0 deletions

diff --git a/board/alliedtelesis/SBx81LIFKW/Kconfig b/board/alliedtelesis/SBx81LIFKW/Kconfig
new file mode 100644
index 00000000000..5c2609b7f46
--- /dev/null
+++ b/board/alliedtelesis/SBx81LIFKW/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_SBx81LIFKW
+
+config SYS_BOARD
+       default "SBx81LIFKW"
+
+config SYS_VENDOR
+       default "alliedtelesis"
+
+config SYS_CONFIG_NAME
+       default "SBx81LIFKW"
+
+endif
diff --git a/board/alliedtelesis/SBx81LIFKW/MAINTAINERS b/board/alliedtelesis/SBx81LIFKW/MAINTAINERS
new file mode 100644
index 00000000000..31ccec0e9b7
--- /dev/null
+++ b/board/alliedtelesis/SBx81LIFKW/MAINTAINERS
@@ -0,0 +1,7 @@
+SBx81LIFKW BOARD
+M:	Chris Packham <chris.packham@alliedtelesis.co.nz>
+S:	Maintained
+F:	board/alliedtelesis/SBx81LIFKW/
+F:	include/configs/SBx81LIFKW
+F:	configs/SBx81LIFKW_defconfig
+F:	arch/arm/dts/kirkwood-atl-sbx81lifkw.dts
diff --git a/board/alliedtelesis/SBx81LIFKW/Makefile b/board/alliedtelesis/SBx81LIFKW/Makefile
new file mode 100644
index 00000000000..806020ed854
--- /dev/null
+++ b/board/alliedtelesis/SBx81LIFKW/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2010, 2018
+# Allied Telesis <www.alliedtelesis.com>
+#
+
+obj-y	+= sbx81lifkw.o
diff --git a/board/alliedtelesis/SBx81LIFKW/kwbimage.cfg b/board/alliedtelesis/SBx81LIFKW/kwbimage.cfg
new file mode 100644
index 00000000000..9726f15e28b
--- /dev/null
+++ b/board/alliedtelesis/SBx81LIFKW/kwbimage.cfg
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2018 Allied Telesis
+#
+# Refer docs/README.kwimage for more details about how-to configure
+# and create kirkwood boot image
+#
+
+# Boot Media configurations
+BOOT_FROM	spi	# Boot from SPI flash
+
+# SOC registers configuration using bootrom header extension
+# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
+DATA 0xffd100e0 0x1b1b1b1b
+DATA 0xffd20134 0xffffffff
+DATA 0xffd20138 0x009fffff
+DATA 0xffd20154 0x00000000
+DATA 0xffd2014c 0x00000000
+DATA 0xffd20148 0x00000001
+
+# Dram initalization for 1 x x16
+#  DDR II Micron part number MT47H64M16HR-3
+#  MClk 333MHz, Size 128MB, ECC disable
+#
+DATA 0xffd01400 0x43000618
+DATA 0xffd01404 0x35143000
+DATA 0xffd01408 0x11012227
+DATA 0xffd0140c 0x00000819
+DATA 0xffd01410 0x0000000d
+DATA 0xffd01414 0x00000000
+DATA 0xffd01418 0x00000000
+DATA 0xffd0141c 0x00000632
+DATA 0xffd01420 0x00000040
+DATA 0xffd01424 0x0000f07f
+DATA 0xffd01500 0x00000000	# SDRAM CS[0] Base address at 0x00000000
+DATA 0xffd01504 0x07FFFFF1	# SDRAM CS[0] Size 128MiB
+DATA 0xffd01508 0x10000000
+DATA 0xffd0150c 0x00FFFFF4	# SDRAM CS[1] Size, window disabled
+DATA 0xffd01514 0x00FFFFF8	# SDRAM CS[2] Size, window disabled
+DATA 0xffd0151c 0x00FFFFFC	# SDRAM CS[3] Size, window disabled
+DATA 0xffd01494 0x00030000
+DATA 0xffd01498 0x00000000
+DATA 0xffd0149c 0x0000e803
+DATA 0xffd01480 0x00000001
+
+# End of Header extension
+DATA 0x0 0x0
diff --git a/board/alliedtelesis/SBx81LIFKW/sbx81lifkw.c b/board/alliedtelesis/SBx81LIFKW/sbx81lifkw.c
new file mode 100644
index 00000000000..3cacdc83723
--- /dev/null
+++ b/board/alliedtelesis/SBx81LIFKW/sbx81lifkw.c
@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2010, 2018
+ * Allied Telesis <www.alliedtelesis.com>
+ */
+
+#include <common.h>
+#include <linux/io.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/mpp.h>
+#include <asm/arch/gpio.h>
+
+/* Note: GPIO differences between specific boards
+ *
+ * We're trying to avoid having multiple build targets for all the Kirkwood
+ * based boards one area where things tend to differ is GPIO usage. For the
+ * most part the GPIOs driven by the bootloader are similar enough in function
+ * that there is no harm in driving them.
+ *
+ *         XZ4  XS6     XS16  GS24A         GT40   GP24A         GT24A
+ * GPIO39  -    INT(<)  NC    MUX_RST_N(>)  NC     POE_DIS_N(>)  NC
+ */
+
+#define SBX81LIFKW_OE_LOW	~(BIT(31) | BIT(30) | BIT(28) | BIT(27) | \
+				  BIT(18) | BIT(17) | BIT(13) | BIT(12) | \
+				  BIT(10))
+#define SBX81LIFKW_OE_HIGH	~(BIT(0) | BIT(1) | BIT(7))
+#define SBX81LIFKW_OE_VAL_LOW	 (BIT(31) | BIT(30) | BIT(28) | BIT(27))
+#define SBX81LIFKW_OE_VAL_HIGH	 (BIT(0) | BIT(1))
+
+#define MV88E6097_RESET		27
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct led {
+	u32 reg;
+	u32 value;
+	u32 mask;
+};
+
+struct led amber_solid = {
+	MVEBU_GPIO0_BASE,
+	BIT(10),
+	BIT(18) | BIT(10)
+};
+
+struct led green_solid = {
+	MVEBU_GPIO0_BASE,
+	BIT(18) | BIT(10),
+	BIT(18) | BIT(10)
+};
+
+struct led amber_flash = {
+	MVEBU_GPIO0_BASE,
+	0,
+	BIT(18) | BIT(10)
+};
+
+struct led green_flash = {
+	MVEBU_GPIO0_BASE,
+	BIT(18),
+	BIT(18) | BIT(10)
+};
+
+static void status_led_set(struct led *led)
+{
+	clrsetbits_le32(led->reg, led->mask, led->value);
+}
+
+int board_early_init_f(void)
+{
+	/*
+	 * default gpio configuration
+	 * There are maximum 64 gpios controlled through 2 sets of registers
+	 * the  below configuration configures mainly initial LED status
+	 */
+	mvebu_config_gpio(SBX81LIFKW_OE_VAL_LOW,
+			  SBX81LIFKW_OE_VAL_HIGH,
+			  SBX81LIFKW_OE_LOW, SBX81LIFKW_OE_HIGH);
+
+	/* Multi-Purpose Pins Functionality configuration */
+	static const u32 kwmpp_config[] = {
+		MPP0_SPI_SCn,
+		MPP1_SPI_MOSI,
+		MPP2_SPI_SCK,
+		MPP3_SPI_MISO,
+		MPP4_UART0_RXD,
+		MPP5_UART0_TXD,
+		MPP6_SYSRST_OUTn,
+		MPP7_PEX_RST_OUTn,
+		MPP8_TW_SDA,
+		MPP9_TW_SCK,
+		MPP10_GPO,
+		MPP11_GPIO,
+		MPP12_GPO,
+		MPP13_GPIO,
+		MPP14_GPIO,
+		MPP15_UART0_RTS,
+		MPP16_UART0_CTS,
+		MPP17_GPIO,
+		MPP18_GPO,
+		MPP19_GPO,
+		MPP20_GPIO,
+		MPP21_GPIO,
+		MPP22_GPIO,
+		MPP23_GPIO,
+		MPP24_GPIO,
+		MPP25_GPIO,
+		MPP26_GPIO,
+		MPP27_GPIO,
+		MPP28_GPIO,
+		MPP29_GPIO,
+		MPP30_GPIO,
+		MPP31_GPIO,
+		MPP32_GPIO,
+		MPP33_GPIO,
+		MPP34_GPIO,
+		MPP35_GPIO,
+		MPP36_GPIO,
+		MPP37_GPIO,
+		MPP38_GPIO,
+		MPP39_GPIO,
+		MPP40_GPIO,
+		MPP41_GPIO,
+		MPP42_GPIO,
+		MPP43_GPIO,
+		MPP44_GPIO,
+		MPP45_GPIO,
+		MPP46_GPIO,
+		MPP47_GPIO,
+		MPP48_GPIO,
+		MPP49_GPIO,
+		0
+	};
+
+	kirkwood_mpp_conf(kwmpp_config, NULL);
+	return 0;
+}
+
+int board_init(void)
+{
+	/* Power-down unused subsystems. The required
+	 * subsystems are:
+	 *
+	 *  GE0         b0
+	 *  PEX0 PHY    b1
+	 *  PEX0.0      b2
+	 *  TSU         b5
+	 *  SDRAM       b6
+	 *  RUNIT       b7
+	 */
+	writel((BIT(0) | BIT(1) | BIT(2) |
+		BIT(5) | BIT(6) | BIT(7)),
+		KW_CPU_REG_BASE + 0x1c);
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	status_led_set(&amber_solid);
+
+	return 0;
+}
+
+#ifdef CONFIG_MV88E61XX_SWITCH
+/* Configure and enable Switch and PHY */
+void reset_phy(void)
+{
+	/* Ensure the 88e6097 gets at least 10ms Reset
+	 */
+	kw_gpio_set_value(MV88E6097_RESET, 0);
+	mdelay(20);
+	kw_gpio_set_value(MV88E6097_RESET, 1);
+	mdelay(20);
+}
+#endif
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+	status_led_set(&green_flash);
+
+	return 0;
+}
+#endif