Add support for Network Space v2 and parents

This patch add support for the Network Space v2 board and parents, based
on the Marvell Kirkwood 6281 SoC. This include Network Space (Max) v2
and Internet Space v2.

Additional information is available at:
http://lacie-nas.org/doku.php?id=network_space_v2

Signed-off-by: Simon Guinot <sguinot@lacie.com>

4 files changed, 395 insertions, 0 deletions

diff --git a/board/LaCie/netspace_v2/Makefile b/board/LaCie/netspace_v2/Makefile
new file mode 100644
index 0000000..a245f2c
--- /dev/null
+++ b/board/LaCie/netspace_v2/Makefile
@@ -0,0 +1,49 @@
+#
+# Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+#
+# Based on Kirkwood support:
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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; either version 2 of
+# the License, or (at your option) any later version.
+#
+# 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.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	:= netspace_v2.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/LaCie/netspace_v2/kwbimage.cfg b/board/LaCie/netspace_v2/kwbimage.cfg
new file mode 100644
index 0000000..361feeb
--- /dev/null
+++ b/board/LaCie/netspace_v2/kwbimage.cfg
@@ -0,0 +1,162 @@
+#
+# Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+#
+# Based on Kirkwood support:
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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; either version 2 of
+# the License, or (at your option) any later version.
+#
+# 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.
+#
+# 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
+
+# Configure RGMII-0 interface pad voltage to 1.8V
+DATA 0xFFD100e0 0x1B1B1B9B
+
+#Dram initalization for SINGLE x16 CL=5 @ 400MHz
+DATA 0xFFD01400 0x43000618	# DDR Configuration register
+# bit13-0:  0xa00 (2560 DDR2 clks refresh rate)
+# bit23-14: zero
+# bit24: 1= enable exit self refresh mode on DDR access
+# bit25: 1 required
+# bit29-26: zero
+# bit31-30: 01
+
+DATA 0xFFD01404 0x35143000	# DDR Controller Control Low
+# bit 4:    0=addr/cmd in smame cycle
+# bit 5:    0=clk is driven during self refresh, we don't care for APX
+# bit 6:    0=use recommended falling edge of clk for addr/cmd
+# bit14:    0=input buffer always powered up
+# bit18:    1=cpu lock transaction enabled
+# bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
+# bit27-24: 8= CL+3, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
+# bit30-28: 3 required
+# bit31:    0=no additional STARTBURST delay
+
+DATA 0xFFD01408 0x11012228	# DDR Timing (Low) (active cycles value +1)
+# bit7-4:   TRCD
+# bit11- 8: TRP
+# bit15-12: TWR
+# bit19-16: TWTR
+# bit20:    TRAS msb
+# bit23-21: 0x0
+# bit27-24: TRRD
+# bit31-28: TRTP
+
+DATA 0xFFD0140C 0x00000A19	#  DDR Timing (High)
+# bit6-0:   TRFC
+# bit8-7:   TR2R
+# bit10-9:  TR2W
+# bit12-11: TW2W
+# bit31-13: zero required
+
+DATA 0xFFD01410 0x0000CCCC	#  DDR Address Control
+# bit1-0:   01, Cs0width=x16
+# bit3-2:   11, Cs0size=1Gb
+# bit5-4:   00, Cs2width=nonexistent
+# bit7-6:   00, Cs1size =nonexistent
+# bit9-8:   00, Cs2width=nonexistent
+# bit11-10: 00, Cs2size =nonexistent
+# bit13-12: 00, Cs3width=nonexistent
+# bit15-14: 00, Cs3size =nonexistent
+# bit16:    0,  Cs0AddrSel
+# bit17:    0,  Cs1AddrSel
+# bit18:    0,  Cs2AddrSel
+# bit19:    0,  Cs3AddrSel
+# bit31-20: 0 required
+
+DATA 0xFFD01414 0x00000000	#  DDR Open Pages Control
+# bit0:    0,  OpenPage enabled
+# bit31-1: 0 required
+
+DATA 0xFFD01418 0x00000000	#  DDR Operation
+# bit3-0:   0x0, DDR cmd
+# bit31-4:  0 required
+
+DATA 0xFFD0141C 0x00000632	#  DDR Mode
+# bit2-0:   2, BurstLen=2 required
+# bit3:     0, BurstType=0 required
+# bit6-4:   4, CL=5
+# bit7:     0, TestMode=0 normal
+# bit8:     0, DLL reset=0 normal
+# bit11-9:  6, auto-precharge write recovery ????????????
+# bit12:    0, PD must be zero
+# bit31-13: 0 required
+
+DATA 0xFFD01420 0x00000004	#  DDR Extended Mode
+# bit0:    0,  DDR DLL enabled
+# bit1:    1,  DDR drive strenght reduced
+# bit2:    1,  DDR ODT control lsd enabled
+# bit5-3:  000, required
+# bit6:    1,  DDR ODT control msb, enabled
+# bit9-7:  000, required
+# bit10:   0,  differential DQS enabled
+# bit11:   0, required
+# bit12:   0, DDR output buffer enabled
+# bit31-13: 0 required
+
+DATA 0xFFD01424 0x0000F07F	#  DDR Controller Control High
+# bit2-0:  111, required
+# bit3  :  1  , MBUS Burst Chop disabled
+# bit6-4:  111, required
+# bit7  :  1  , D2P Latency enabled
+# bit8  :  1  , add writepath sample stage, must be 1 for DDR freq >= 300MHz
+# bit9  :  0  , no half clock cycle addition to dataout
+# bit10 :  0  , 1/4 clock cycle skew enabled for addr/ctl signals
+# bit11 :  0  , 1/4 clock cycle skew disabled for write mesh
+# bit15-12: 1111 required
+# bit31-16: 0    required
+
+DATA 0xFFD01428 0x00085520	# DDR2 ODT Read Timing (default values)
+DATA 0xFFD0147C 0x00008552	# DDR2 ODT Write Timing (default values)
+
+DATA 0xFFD01500 0x00000000	# CS[0]n Base address to 0x0
+DATA 0xFFD01504 0x0FFFFFF1	# CS[0]n Size
+# bit0:    1,  Window enabled
+# bit1:    0,  Write Protect disabled
+# bit3-2:  00, CS0 hit selected
+# bit23-4: ones, required
+# bit31-24: 0x07, Size (i.e. 128MB)
+
+DATA 0xFFD0150C 0x00000000	# CS[1]n Size, window disabled
+DATA 0xFFD01514 0x00000000	# CS[2]n Size, window disabled
+DATA 0xFFD0151C 0x00000000	# CS[3]n Size, window disabled
+
+DATA 0xFFD01494 0x00010000	#  DDR ODT Control (Low)
+# bit3-0:  1, ODT0Rd, MODT[0] asserted during read from DRAM CS0
+# bit19-16:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
+
+DATA 0xFFD01498 0x00000000	#  DDR ODT Control (High)
+# bit1-0:  00, ODT0 controlled by ODT Control (low) register above
+# bit3-2:  01, ODT1 active NEVER!
+# bit31-4: zero, required
+
+DATA 0xFFD0149C 0x0000E40F	# CPU ODT Control
+# bit3-0:  1, ODT0Rd, Internal ODT asserted during read from DRAM bank0
+# bit7-4:  1, ODT0Wr, Internal ODT asserted during write to DRAM bank0
+# bit11-10:1, DQ_ODTSel. ODT select turned on
+
+DATA 0xFFD01480 0x00000001	# DDR Initialization Control
+#bit0=1, enable DDR init upon this register write
+
+# End of Header extension
+DATA 0x0 0x0
diff --git a/board/LaCie/netspace_v2/netspace_v2.c b/board/LaCie/netspace_v2/netspace_v2.c
new file mode 100644
index 0000000..3bb83f3
--- /dev/null
+++ b/board/LaCie/netspace_v2/netspace_v2.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+ *
+ * Based on Kirkwood support:
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <command.h>
+#include <asm/arch/kirkwood.h>
+#include <asm/arch/mpp.h>
+#include <asm/arch/gpio.h>
+#include "netspace_v2.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+	/* Gpio configuration */
+	kw_config_gpio(NETSPACE_V2_OE_VAL_LOW, NETSPACE_V2_OE_VAL_HIGH,
+			NETSPACE_V2_OE_LOW, NETSPACE_V2_OE_HIGH);
+
+	/* Multi-Purpose Pins Functionality configuration */
+	u32 kwmpp_config[] = {
+		MPP0_SPI_SCn,
+		MPP1_SPI_MOSI,
+		MPP2_SPI_SCK,
+		MPP3_SPI_MISO,
+		MPP4_NF_IO6,
+		MPP5_NF_IO7,
+		MPP6_SYSRST_OUTn,
+		MPP7_GPO,		/* Fan speed (bit 1) */
+		MPP8_TW_SDA,
+		MPP9_TW_SCK,
+		MPP10_UART0_TXD,
+		MPP11_UART0_RXD,
+		MPP12_GPO,		/* Red led */
+		MPP14_GPIO,		/* USB fuse */
+		MPP16_GPIO,		/* SATA 0 power */
+		MPP17_GPIO,		/* SATA 1 power */
+		MPP18_NF_IO0,
+		MPP19_NF_IO1,
+		MPP20_SATA1_ACTn,
+		MPP21_SATA0_ACTn,
+		MPP22_GPIO,		/* Fan speed (bit 0) */
+		MPP23_GPIO,		/* Fan power */
+		MPP24_GPIO,		/* USB mode select */
+		MPP25_GPIO,		/* Fan rotation fail */
+		MPP26_GPIO,		/* USB vbus-in detection */
+		MPP28_GPIO,		/* USB enable vbus-out */
+		MPP29_GPIO,		/* Blue led (slow register) */
+		MPP30_GPIO,		/* Blue led (command register) */
+		MPP31_GPIO,		/* Board power off */
+		MPP32_GPIO,		/* Button (0 = Released, 1 = Pushed) */
+		MPP33_GPIO,		/* Fan speed (bit 2) */
+		0
+	};
+	kirkwood_mpp_conf(kwmpp_config);
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* Machine number */
+	gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
+
+	/* Boot parameters address */
+	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
+
+	return 0;
+}
+
+void mv_phy_88e1116_init(char *name)
+{
+	u16 reg;
+	u16 devadr;
+
+	if (miiphy_set_current_dev(name))
+		return;
+
+	/* command to read PHY dev address */
+	if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
+		printf("Err..(%s) could not read PHY dev address\n", __func__);
+		return;
+	}
+
+	/*
+	 * Enable RGMII delay on Tx and Rx for CPU port
+	 * Ref: sec 4.7.2 of chip datasheet
+	 */
+	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
+	miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
+	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
+	miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
+	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
+
+	/* reset the phy */
+	if (miiphy_read(name, devadr, MII_BMCR, &reg) != 0) {
+		printf("Err..(%s) PHY status read failed\n", __func__);
+		return;
+	}
+	if (miiphy_write(name, devadr, MII_BMCR, reg | 0x8000) != 0) {
+		printf("Err..(%s) PHY reset failed\n", __func__);
+		return;
+	}
+
+	debug("88E1116 Initialized on %s\n", name);
+}
+
+/* Configure and initialize PHY */
+void reset_phy(void)
+{
+	mv_phy_88e1116_init("egiga0");
+}
+
+/* Return GPIO button status */
+static int
+do_read_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	return kw_gpio_get_value(NETSPACE_V2_GPIO_BUTTON);
+}
+
+U_BOOT_CMD(button, 1, 1, do_read_button,
+	   "Return GPIO button status 0=off 1=on", "");
diff --git a/board/LaCie/netspace_v2/netspace_v2.h b/board/LaCie/netspace_v2/netspace_v2.h
new file mode 100644
index 0000000..3f3d51c
--- /dev/null
+++ b/board/LaCie/netspace_v2/netspace_v2.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+ *
+ * Based on Kirkwood support:
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ */
+
+#ifndef NETSPACE_V2_H
+#define NETSPACE_V2_H
+
+/* GPIO configuration */
+#define NETSPACE_V2_OE_LOW		0x06004000
+#define NETSPACE_V2_OE_HIGH		0x00000031
+#define NETSPACE_V2_OE_VAL_LOW		0x10030000
+#define NETSPACE_V2_OE_VAL_HIGH		0x00000000
+
+#define NETSPACE_V2_GPIO_BUTTON         32
+
+/* PHY related */
+#define MV88E1116_LED_FCTRL_REG		10
+#define MV88E1116_CPRSP_CR3_REG		21
+#define MV88E1116_MAC_CTRL_REG		21
+#define MV88E1116_PGADR_REG		22
+#define MV88E1116_RGMII_TXTM_CTRL	(1 << 4)
+#define MV88E1116_RGMII_RXTM_CTRL	(1 << 5)
+
+#endif /* NETSPACE_V2_H */