Marvell GuruPlug Board Support
GuruPlug Standard: 1 Gb Ethernet, 2 USB 2.0
GuruPlug Plus: 2 Gb Ethernet, 2 USB 2.0, 1 eSATA, 1 uSD slot
References:
http://www.globalscaletechnologies.com/t-guruplugdetails.aspx
http://plugcomputer.org
This patch is for GuruPlug Plus, but it supports Standard version
as well.
Signed-off-by: Siddarth Gore <gores@marvell.com>
diff --git a/board/Marvell/guruplug/Makefile b/board/Marvell/guruplug/Makefile
new file mode 100644
index 0000000..99748a7
--- /dev/null
+++ b/board/Marvell/guruplug/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Siddarth Gore <gores@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.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := guruplug.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(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/Marvell/guruplug/config.mk b/board/Marvell/guruplug/config.mk
new file mode 100644
index 0000000..caa26b6
--- /dev/null
+++ b/board/Marvell/guruplug/config.mk
@@ -0,0 +1,27 @@
+#
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Siddarth Gore <gores@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.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+#
+
+TEXT_BASE = 0x00600000
+
+KWD_CONFIG = $(SRCTREE)/board/$(BOARDDIR)/kwbimage.cfg
diff --git a/board/Marvell/guruplug/guruplug.c b/board/Marvell/guruplug/guruplug.c
new file mode 100644
index 0000000..ba47ca1
--- /dev/null
+++ b/board/Marvell/guruplug/guruplug.c
@@ -0,0 +1,167 @@
+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Siddarth Gore <gores@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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/arch/kirkwood.h>
+#include <asm/arch/mpp.h>
+#include "guruplug.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ /*
+ * default gpio configuration
+ * There are maximum 64 gpios controlled through 2 sets of registers
+ * the below configuration configures mainly initial LED status
+ */
+ kw_config_gpio(GURUPLUG_OE_VAL_LOW,
+ GURUPLUG_OE_VAL_HIGH,
+ GURUPLUG_OE_LOW, GURUPLUG_OE_HIGH);
+
+ /* Multi-Purpose Pins Functionality configuration */
+ 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, /* GPIO_RST */
+ MPP8_TW_SDA,
+ MPP9_TW_SCK,
+ MPP10_UART0_TXD,
+ MPP11_UART0_RXD,
+ MPP12_SD_CLK,
+ MPP13_SD_CMD,
+ MPP14_SD_D0,
+ MPP15_SD_D1,
+ MPP16_SD_D2,
+ MPP17_SD_D3,
+ MPP18_NF_IO0,
+ MPP19_NF_IO1,
+ MPP20_GE1_0,
+ MPP21_GE1_1,
+ MPP22_GE1_2,
+ MPP23_GE1_3,
+ MPP24_GE1_4,
+ MPP25_GE1_5,
+ MPP26_GE1_6,
+ MPP27_GE1_7,
+ MPP28_GE1_8,
+ MPP29_GE1_9,
+ MPP30_GE1_10,
+ MPP31_GE1_11,
+ MPP32_GE1_12,
+ MPP33_GE1_13,
+ MPP34_GE1_14,
+ MPP35_GE1_15,
+ MPP36_GPIO,
+ MPP37_GPIO,
+ MPP38_GPIO,
+ MPP39_GPIO,
+ MPP40_TDM_SPI_SCK,
+ MPP41_TDM_SPI_MISO,
+ MPP42_TDM_SPI_MOSI,
+ MPP43_GPIO,
+ MPP44_GPIO,
+ MPP45_GPIO,
+ MPP46_GPIO, /* M_RLED */
+ MPP47_GPIO, /* M_GLED */
+ MPP48_GPIO, /* B_RLED */
+ MPP49_GPIO, /* B_GLED */
+ 0
+ };
+ kirkwood_mpp_conf(kwmpp_config);
+
+ /*
+ * arch number of board
+ */
+ gd->bd->bi_arch_number = MACH_TYPE_GURUPLUG;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ int i;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ gd->bd->bi_dram[i].start = kw_sdram_bar(i);
+ gd->bd->bi_dram[i].size = kw_sdram_bs(i);
+ }
+ return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void mv_phy_88e1121_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",
+ __FUNCTION__);
+ return;
+ }
+
+ /*
+ * Enable RGMII delay on Tx and Rx for CPU port
+ * Ref: sec 4.7.2 of chip datasheet
+ */
+ miiphy_write(name, devadr, MV88E1121_PGADR_REG, 2);
+ miiphy_read(name, devadr, MV88E1121_MAC_CTRL2_REG, ®);
+ reg |= (MV88E1121_RGMII_RXTM_CTRL | MV88E1121_RGMII_TXTM_CTRL);
+ miiphy_write(name, devadr, MV88E1121_MAC_CTRL2_REG, reg);
+ miiphy_write(name, devadr, MV88E1121_PGADR_REG, 0);
+
+ /* reset the phy */
+ if (miiphy_read (name, devadr, PHY_BMCR, ®) != 0) {
+ printf("Err..(%s) PHY status read failed\n", __FUNCTION__);
+ return;
+ }
+ if (miiphy_write (name, devadr, PHY_BMCR, reg | 0x8000) != 0) {
+ printf("Err..(%s) PHY reset failed\n", __FUNCTION__);
+ return;
+ }
+
+ printf("88E1121 Initialized on %s\n", name);
+}
+
+void reset_phy(void)
+{
+ /* configure and initialize both PHY's */
+ mv_phy_88e1121_init("egiga0");
+ mv_phy_88e1121_init("egiga1");
+}
+#endif /* CONFIG_RESET_PHY_R */
diff --git a/board/Marvell/guruplug/guruplug.h b/board/Marvell/guruplug/guruplug.h
new file mode 100644
index 0000000..5bc16b4
--- /dev/null
+++ b/board/Marvell/guruplug/guruplug.h
@@ -0,0 +1,39 @@
+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Siddarth Gore <gores@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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#ifndef __GURUPLUG_H
+#define __GURUPLUG_H
+
+#define GURUPLUG_OE_LOW (~(0))
+#define GURUPLUG_OE_HIGH (~(0))
+#define GURUPLUG_OE_VAL_LOW 0
+#define GURUPLUG_OE_VAL_HIGH (0xf << 16) /* 4 LED Pins high */
+
+/* PHY related */
+#define MV88E1121_MAC_CTRL2_REG 21
+#define MV88E1121_PGADR_REG 22
+#define MV88E1121_RGMII_TXTM_CTRL (1 << 4)
+#define MV88E1121_RGMII_RXTM_CTRL (1 << 5)
+
+#endif /* __GURUPLUG_H */
diff --git a/board/Marvell/guruplug/kwbimage.cfg b/board/Marvell/guruplug/kwbimage.cfg
new file mode 100644
index 0000000..2afd927
--- /dev/null
+++ b/board/Marvell/guruplug/kwbimage.cfg
@@ -0,0 +1,162 @@
+#
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Siddarth Gore <gores@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.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+#
+# Refer docs/README.kwimage for more details about how-to configure
+# and create kirkwood boot image
+#
+
+# Boot Media configurations
+BOOT_FROM nand
+NAND_ECC_MODE default
+NAND_PAGE_SIZE 0x0800
+
+# SOC registers configuration using bootrom header extension
+# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
+
+# Configure RGMII-0/1 interface pad voltage to 1.8V
+DATA 0xFFD100e0 0x1b1b9b9b
+
+#Dram initalization for SINGLE x16 CL=5 @ 400MHz
+DATA 0xFFD01400 0x43000c30 # DDR Configuration register
+# bit13-0: 0xc30 (3120 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 0x37543000 # 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: 7= CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
+# bit30-28: 3 required
+# bit31: 0=no additional STARTBURST delay
+
+DATA 0xFFD01408 0x22125451 # DDR Timing (Low) (active cycles value +1)
+# bit3-0: TRAS lsbs
+# 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 0x00000a33 # DDR Timing (High)
+# bit6-0: TRFC
+# bit8-7: TR2R
+# bit10-9: TR2W
+# bit12-11: TW2W
+# bit31-13: zero required
+
+DATA 0xFFD01410 0x000000cc # DDR Address Control
+# bit1-0: 01, Cs0width=x8
+# bit3-2: 10, Cs0size=1Gb
+# bit5-4: 01, Cs1width=x8
+# bit7-6: 10, Cs1size=1Gb
+# 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 0x00000C52 # 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 0x00000040 # DDR Extended Mode
+# bit0: 0, DDR DLL enabled
+# bit1: 0, DDR drive strenght normal
+# bit2: 0, DDR ODT control lsd (disabled)
+# bit5-3: 000, required
+# bit6: 1, DDR ODT control msb, (disabled)
+# bit9-7: 000, required
+# bit10: 0, differential DQS enabled
+# bit11: 0, required
+# bit12: 0, DDR output buffer enabled
+# bit31-13: 0 required
+
+DATA 0xFFD01424 0x0000F17F # DDR Controller Control High
+# bit2-0: 111, required
+# bit3 : 1 , MBUS Burst Chop disabled
+# bit6-4: 111, required
+# bit7 : 0
+# 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: 0x0F, Size (i.e. 256MB)
+
+DATA 0xFFD01508 0x10000000 # CS[1]n Base address to 256Mb
+DATA 0xFFD0150C 0x0FFFFFF5 # CS[1]n Size 256Mb Window enabled for CS1
+
+DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled
+DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled
+
+DATA 0xFFD01494 0x00030000 # DDR ODT Control (Low)
+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 0x0000E803 # CPU ODT Control
+DATA 0xFFD01480 0x00000001 # DDR Initialization Control
+#bit0=1, enable DDR init upon this register write
+
+# End of Header extension
+DATA 0x0 0x0