arm: kirkwood: add ZyXEL NSA310S device

This patch add ZyXEL NSA310S 1-Bay Media Server

The ZyXEL NSA310S device is a Kirkwood based NAS:

- SoC: Marvell 88F6702 1000Mhz
- SDRAM memory: 256MB DDR2 400Mhz
- Gigabit ethernet: PHY Marvell 88E1318
- Flash memory: 128MB
- 1 Power button
- 1 Power LED (blue)
- 4 Status LED (green)
- 1 Copy/Sync button
- 1 Reset button
- 1 SATA II port
- 2 USB 2.0 ports (front and back)
- Smart fan

Signed-off-by: Gerald Kerma <dreagle@doukki.net>
Signed-off-by: Tony Dinh <mibodhi@gmail.com>
Signed-off-by: Luka Perkov <luka.perkov@sartura.hr>

6 files changed, 260 insertions, 0 deletions

diff --git a/board/zyxel/nsa310s/Kconfig b/board/zyxel/nsa310s/Kconfig
new file mode 100644
index 0000000000..77e734d0e2
--- /dev/null
+++ b/board/zyxel/nsa310s/Kconfig
@@ -0,0 +1,20 @@
+#
+# Copyright (C) 2015
+# Gerald Kerma <dreagle@doukki.net>
+# Tony Dinh <mibodhi@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+if TARGET_NSA310S
+
+config SYS_BOARD
+	default "nsa310s"
+
+config SYS_VENDOR
+	default "zyxel"
+
+config SYS_CONFIG_NAME
+	default "nsa310s"
+
+endif
diff --git a/board/zyxel/nsa310s/MAINTAINERS b/board/zyxel/nsa310s/MAINTAINERS
new file mode 100644
index 0000000000..d153758c21
--- /dev/null
+++ b/board/zyxel/nsa310s/MAINTAINERS
@@ -0,0 +1,8 @@
+NSA310S BOARD
+M:	Gerald Kerma <dreagle@doukki.net>
+M:	Tony Dinh <mibodhi@gmail.com>
+M:	Luka Perkov <luka.perkov@sartura.hr>
+S:	Maintained
+F:	board/zyxel/nsa310s/
+F:	include/configs/nsa310s.h
+F:	configs/nsa310s_defconfig
diff --git a/board/zyxel/nsa310s/Makefile b/board/zyxel/nsa310s/Makefile
new file mode 100644
index 0000000000..43cdb86c20
--- /dev/null
+++ b/board/zyxel/nsa310s/Makefile
@@ -0,0 +1,9 @@
+#
+# Copyright (C) 2015
+# Gerald Kerma <dreagle@doukki.net>
+# Tony Dinh <mibodhi@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= nsa310s.o
diff --git a/board/zyxel/nsa310s/kwbimage.cfg b/board/zyxel/nsa310s/kwbimage.cfg
new file mode 100644
index 0000000000..e8f4b8a69f
--- /dev/null
+++ b/board/zyxel/nsa310s/kwbimage.cfg
@@ -0,0 +1,43 @@
+#
+# Copyright (C) 2015
+# Gerald Kerma <dreagle@doukki.net>
+# Tony Dinh <mibodhi@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+# Refer to doc/README.kwbimage for more details about how-to
+# configure and create kirkwood boot images.
+#
+
+# Boot Media configurations
+BOOT_FROM       nand
+NAND_ECC_MODE   default
+NAND_PAGE_SIZE  0x0800
+
+# Configure RGMII-0 interface pad voltage to 1.8V
+DATA 0xFFD100e0 0x1b1b1b9b
+
+DATA 0xFFD01400 0x43010c30
+DATA 0xFFD01404 0x39543000
+DATA 0xFFD01408 0x22125451
+DATA 0xFFD0140C 0x00000833
+DATA 0xFFD01410 0x0000000C
+DATA 0xFFD01414 0x00000000
+DATA 0xFFD01418 0x00000000
+DATA 0xFFD0141C 0x00000652
+DATA 0xFFD01420 0x00000004
+DATA 0xFFD01424 0x0000F17F
+DATA 0xFFD01428 0x00085520
+DATA 0xFFD0147c 0x00008552
+DATA 0xFFD01504 0x0FFFFFF1
+DATA 0xFFD01508 0x10000000
+DATA 0xFFD0150C 0x00000000
+DATA 0xFFD01514 0x00000000
+DATA 0xFFD0151C 0x00000000
+DATA 0xFFD01494 0x00010000
+DATA 0xFFD01498 0x00000000
+DATA 0xFFD0149C 0x0000E403
+DATA 0xFFD01480 0x00000001
+DATA 0xFFD20134 0x66666666
+DATA 0xFFD20138 0x66666666
+DATA 0x0 0x0
diff --git a/board/zyxel/nsa310s/nsa310s.c b/board/zyxel/nsa310s/nsa310s.c
new file mode 100644
index 0000000000..aab33cfa2a
--- /dev/null
+++ b/board/zyxel/nsa310s/nsa310s.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2015
+ * Gerald Kerma <dreagle@doukki.net>
+ * Tony Dinh <mibodhi@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/mpp.h>
+#include <asm/io.h>
+#include "nsa310s.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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(NSA310S_VAL_LOW, NSA310S_VAL_HIGH,
+			  NSA310S_OE_LOW, NSA310S_OE_HIGH);
+
+	/* (all LEDs & power off active high) */
+	/* Multi-Purpose Pins Functionality configuration */
+	static const u32 kwmpp_config[] = {
+		MPP0_NF_IO2,
+		MPP1_NF_IO3,
+		MPP2_NF_IO4,
+		MPP3_NF_IO5,
+		MPP4_NF_IO6,
+		MPP5_NF_IO7,
+		MPP6_SYSRST_OUTn,
+		MPP7_GPO,
+		MPP8_TW_SDA,
+		MPP9_TW_SCK,
+		MPP10_UART0_TXD,
+		MPP11_UART0_RXD,
+		MPP12_GPO,
+		MPP13_GPIO,
+		MPP14_GPIO,
+		MPP15_GPIO,
+		MPP16_GPIO,
+		MPP17_GPIO,
+		MPP18_NF_IO0,
+		MPP19_NF_IO1,
+		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,
+		0
+	};
+	kirkwood_mpp_conf(kwmpp_config, NULL);
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+	u16 reg;
+	u16 phyaddr;
+	char *name = "egiga0";
+
+	if (miiphy_set_current_dev(name))
+		return;
+
+	/* read PHY dev address */
+	if (miiphy_read(name, 0xee, 0xee, (u16 *) &phyaddr)) {
+		printf("could not read PHY dev address\n");
+		return;
+	}
+
+	/* set RGMII delay */
+	miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, MV88E1318_MAC_CTRL_PG);
+	miiphy_read(name, phyaddr, MV88E1318_MAC_CTRL_REG, &reg);
+	reg |= (MV88E1318_RGMII_RX_CTRL | MV88E1318_RGMII_TX_CTRL);
+	miiphy_write(name, phyaddr, MV88E1318_MAC_CTRL_REG, reg);
+	miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, 0);
+
+	/* reset PHY */
+	if (miiphy_reset(name, phyaddr))
+		return;
+
+	/*
+	 * ZyXEL NSA310S uses the 88E1310S Alaska (interface identical to 88E1318)
+	 * and has an MCU attached to the LED[2] via tristate interrupt
+	 */
+
+	/* switch to LED register page */
+	miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, MV88E1318_LED_PG);
+	/* read out LED polarity register */
+	miiphy_read(name, phyaddr, MV88E1318_LED_POL_REG, &reg);
+	/* clear 4, set 5 - LED2 low, tri-state */
+	reg &= ~(MV88E1318_LED2_4);
+	reg |= (MV88E1318_LED2_5);
+	/* write back LED polarity register */
+	miiphy_write(name, phyaddr, MV88E1318_LED_POL_REG, reg);
+	/* jump back to page 0, per the PHY chip documenation. */
+	miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, 0);
+
+	/* set PHY back to auto-negotiation mode */
+	miiphy_write(name, phyaddr, 0x4, 0x1e1);
+	miiphy_write(name, phyaddr, 0x9, 0x300);
+	/* downshift */
+	miiphy_write(name, phyaddr, 0x10, 0x3860);
+	miiphy_write(name, phyaddr, 0x0, 0x9140);
+}
+#endif /* CONFIG_RESET_PHY_R */
diff --git a/board/zyxel/nsa310s/nsa310s.h b/board/zyxel/nsa310s/nsa310s.h
new file mode 100644
index 0000000000..1ea110560f
--- /dev/null
+++ b/board/zyxel/nsa310s/nsa310s.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2015
+ * Gerald Kerma <dreagle@doukki.net>
+ * Tony Dinh <mibodhi@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __NSA310S_H
+#define __NSA310S_H
+
+/* low GPIO's */
+#define HDD1_GREEN_LED		(1 << 16)
+#define HDD1_RED_LED		(1 << 13)
+#define USB_GREEN_LED		(1 << 15)
+#define USB_POWER			(1 << 21)
+#define SYS_GREEN_LED		(1 << 28)
+#define SYS_ORANGE_LED		(1 << 29)
+
+#define COPY_GREEN_LED		(1 << 22)
+#define COPY_RED_LED		(1 << 23)
+
+#define PIN_USB_GREEN_LED	15
+#define PIN_USB_POWER		21
+
+#define NSA310S_OE_LOW		(~(0))
+#define NSA310S_VAL_LOW		(SYS_GREEN_LED | USB_POWER)
+
+/* high GPIO's */
+#define HDD2_GREEN_LED		(1 << 2)
+#define HDD2_POWER			(1 << 1)
+
+#define NSA310S_OE_HIGH		(~(0))
+#define NSA310S_VAL_HIGH	(HDD2_POWER)
+
+/* PHY related */
+#define MV88E1318_PGADR_REG		22
+#define MV88E1318_MAC_CTRL_PG	2
+#define MV88E1318_MAC_CTRL_REG	21
+#define MV88E1318_RGMII_TX_CTRL	(1 << 4)
+#define MV88E1318_RGMII_RX_CTRL	(1 << 5)
+#define MV88E1318_LED_PG		3
+#define MV88E1318_LED_POL_REG	17
+#define MV88E1318_LED2_4		(1 << 4)
+#define MV88E1318_LED2_5		(1 << 5)
+
+#endif /* __NSA310S_H */