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-rw-r--r--MAINTAINERS2
-rw-r--r--board/spear/x600/Makefile47
-rw-r--r--board/spear/x600/fpga.c280
-rw-r--r--board/spear/x600/fpga.h23
-rw-r--r--board/spear/x600/x600.c124
-rw-r--r--boards.cfg1
-rw-r--r--include/configs/x600.h339
7 files changed, 816 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 842ff57ea..45351cc23 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -857,6 +857,8 @@ John Rigby <jcrigby@gmail.com>
Stefan Roese <sr@denx.de>
+ x600 ARM926EJS (spear600 Soc)
+
pdnb3 xscale/ixp
scpu xscale/ixp
diff --git a/board/spear/x600/Makefile b/board/spear/x600/Makefile
new file mode 100644
index 000000000..8c4e7e298
--- /dev/null
+++ b/board/spear/x600/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+ifndef CONFIG_SPL_BUILD
+COBJS := fpga.o $(BOARD).o
+endif
+SOBJS :=
+
+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))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/spear/x600/fpga.c b/board/spear/x600/fpga.c
new file mode 100644
index 000000000..85eb31be7
--- /dev/null
+++ b/board/spear/x600/fpga.c
@@ -0,0 +1,280 @@
+/*
+ * Copyright (C) 2012 Stefan Roese <sr@denx.de>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <spartan3.h>
+#include <command.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_misc.h>
+#include <asm/arch/spr_ssp.h>
+
+/*
+ * FPGA program pin configuration on X600:
+ *
+ * Only PROG and DONE are connected to GPIOs. INIT is not connected to the
+ * SoC at all. And CLOCK and DATA are connected to the SSP2 port. We use
+ * 16bit serial writes via this SSP port to write the data bits into the
+ * FPGA.
+ */
+#define CONFIG_SYS_FPGA_PROG 2
+#define CONFIG_SYS_FPGA_DONE 3
+
+/*
+ * Set the active-low FPGA reset signal.
+ */
+static void fpga_reset(int assert)
+{
+ /*
+ * On x600 we have no means to toggle the FPGA reset signal
+ */
+ debug("%s:%d: RESET (%d)\n", __func__, __LINE__, assert);
+}
+
+/*
+ * Set the FPGA's active-low SelectMap program line to the specified level
+ */
+static int fpga_pgm_fn(int assert, int flush, int cookie)
+{
+ debug("%s:%d: FPGA PROG (%d)\n", __func__, __LINE__, assert);
+
+ gpio_set_value(CONFIG_SYS_FPGA_PROG, assert);
+
+ return assert;
+}
+
+/*
+ * Test the state of the active-low FPGA INIT line. Return 1 on INIT
+ * asserted (low).
+ */
+static int fpga_init_fn(int cookie)
+{
+ static int state;
+
+ debug("%s:%d: init (state=%d)\n", __func__, __LINE__, state);
+
+ /*
+ * On x600, the FPGA INIT signal is not connected to the SoC.
+ * We can't read the INIT status. Let's return the "correct"
+ * INIT signal state generated via a local state-machine.
+ */
+ if (++state == 1) {
+ return 1;
+ } else {
+ state = 0;
+ return 0;
+ }
+}
+
+/*
+ * Test the state of the active-high FPGA DONE pin
+ */
+static int fpga_done_fn(int cookie)
+{
+ struct ssp_regs *ssp = (struct ssp_regs *)CONFIG_SSP2_BASE;
+
+ /*
+ * Wait for Tx-FIFO to become empty before looking for DONE
+ */
+ while (!(readl(&ssp->sspsr) & SSPSR_TFE))
+ ;
+
+ if (gpio_get_value(CONFIG_SYS_FPGA_DONE))
+ return 1;
+ else
+ return 0;
+}
+
+/*
+ * FPGA pre-configuration function. Just make sure that
+ * FPGA reset is asserted to keep the FPGA from starting up after
+ * configuration.
+ */
+static int fpga_pre_config_fn(int cookie)
+{
+ debug("%s:%d: FPGA pre-configuration\n", __func__, __LINE__);
+ fpga_reset(TRUE);
+
+ return 0;
+}
+
+/*
+ * FPGA post configuration function. Blip the FPGA reset line and then see if
+ * the FPGA appears to be running.
+ */
+static int fpga_post_config_fn(int cookie)
+{
+ int rc = 0;
+
+ debug("%s:%d: FPGA post configuration\n", __func__, __LINE__);
+
+ fpga_reset(TRUE);
+ udelay(100);
+ fpga_reset(FALSE);
+ udelay(100);
+
+ return rc;
+}
+
+static int fpga_clk_fn(int assert_clk, int flush, int cookie)
+{
+ /*
+ * No dedicated clock signal on x600 (data & clock generated)
+ * in SSP interface. So we don't have to do anything here.
+ */
+ return assert_clk;
+}
+
+static int fpga_wr_fn(int assert_write, int flush, int cookie)
+{
+ struct ssp_regs *ssp = (struct ssp_regs *)CONFIG_SSP2_BASE;
+ static int count;
+ static u16 data;
+
+ /*
+ * First collect 16 bits of data
+ */
+ data = data << 1;
+ if (assert_write)
+ data |= 1;
+
+ /*
+ * If 16 bits are not available, return for more bits
+ */
+ count++;
+ if (count != 16)
+ return assert_write;
+
+ count = 0;
+
+ /*
+ * Wait for Tx-FIFO to become ready
+ */
+ while (!(readl(&ssp->sspsr) & SSPSR_TNF))
+ ;
+
+ /* Send 16 bits to FPGA via SSP bus */
+ writel(data, &ssp->sspdr);
+
+ return assert_write;
+}
+
+static Xilinx_Spartan3_Slave_Serial_fns x600_fpga_fns = {
+ fpga_pre_config_fn,
+ fpga_pgm_fn,
+ fpga_clk_fn,
+ fpga_init_fn,
+ fpga_done_fn,
+ fpga_wr_fn,
+ fpga_post_config_fn,
+};
+
+static Xilinx_desc fpga[CONFIG_FPGA_COUNT] = {
+ XILINX_XC3S1200E_DESC(slave_serial, &x600_fpga_fns, 0)
+};
+
+/*
+ * Initialize the SelectMap interface. We assume that the mode and the
+ * initial state of all of the port pins have already been set!
+ */
+static void fpga_serialslave_init(void)
+{
+ debug("%s:%d: Initialize serial slave interface\n", __func__, __LINE__);
+ fpga_pgm_fn(FALSE, FALSE, 0); /* make sure program pin is inactive */
+}
+
+static int expi_setup(int freq)
+{
+ struct misc_regs *misc = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ int pll2_m, pll2_n, pll2_p, expi_x, expi_y;
+
+ pll2_m = (freq * 2) / 1000;
+ pll2_n = 15;
+ pll2_p = 1;
+ expi_x = 1;
+ expi_y = 2;
+
+ /*
+ * Disable reset, Low compression, Disable retiming, Enable Expi,
+ * Enable soft reset, DMA, PLL2, Internal
+ */
+ writel(EXPI_CLK_CFG_LOW_COMPR | EXPI_CLK_CFG_CLK_EN | EXPI_CLK_CFG_RST |
+ EXPI_CLK_SYNT_EN | EXPI_CLK_CFG_SEL_PLL2 |
+ EXPI_CLK_CFG_INT_CLK_EN | (expi_y << 16) | (expi_x << 24),
+ &misc->expi_clk_cfg);
+
+ /*
+ * 6 uA, Internal feedback, 1st order, Non-dithered, Sample Parameters,
+ * Enable PLL2, Disable reset
+ */
+ writel((pll2_m << 24) | (pll2_p << 8) | (pll2_n), &misc->pll2_frq);
+ writel(PLL2_CNTL_6UA | PLL2_CNTL_SAMPLE | PLL2_CNTL_ENABLE |
+ PLL2_CNTL_RESETN | PLL2_CNTL_LOCK, &misc->pll2_cntl);
+
+ /*
+ * Disable soft reset
+ */
+ clrbits_le32(&misc->expi_clk_cfg, EXPI_CLK_CFG_RST);
+
+ return 0;
+}
+
+/*
+ * Initialize the fpga
+ */
+int x600_init_fpga(void)
+{
+ struct ssp_regs *ssp = (struct ssp_regs *)CONFIG_SSP2_BASE;
+ struct misc_regs *misc = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+
+ /* Enable SSP2 clock */
+ writel(readl(&misc->periph1_clken) | MISC_SSP2ENB | MISC_GPIO4ENB,
+ &misc->periph1_clken);
+
+ /* Set EXPI clock to 45 MHz */
+ expi_setup(45000);
+
+ /* Configure GPIO directions */
+ gpio_direction_output(CONFIG_SYS_FPGA_PROG, 0);
+ gpio_direction_input(CONFIG_SYS_FPGA_DONE);
+
+ writel(SSPCR0_DSS_16BITS, &ssp->sspcr0);
+ writel(SSPCR1_SSE, &ssp->sspcr1);
+
+ /*
+ * Set lowest prescale divisor value (CPSDVSR) of 2 for max download
+ * speed.
+ *
+ * Actual data clock rate is: 80MHz / (CPSDVSR * (SCR + 1))
+ * With CPSDVSR at 2 and SCR at 0, the maximume clock rate is 40MHz.
+ */
+ writel(2, &ssp->sspcpsr);
+
+ fpga_init();
+ fpga_serialslave_init();
+
+ debug("%s:%d: Adding fpga 0\n", __func__, __LINE__);
+ fpga_add(fpga_xilinx, &fpga[0]);
+
+ return 0;
+}
diff --git a/board/spear/x600/fpga.h b/board/spear/x600/fpga.h
new file mode 100644
index 000000000..2b1855716
--- /dev/null
+++ b/board/spear/x600/fpga.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2012 Stefan Roese <sr@denx.de>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+int x600_init_fpga(void);
diff --git a/board/spear/x600/x600.c b/board/spear/x600/x600.c
new file mode 100644
index 000000000..96ec0ad8a
--- /dev/null
+++ b/board/spear/x600/x600.c
@@ -0,0 +1,124 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
+ *
+ * Copyright (C) 2012 Stefan Roese <sr@denx.de>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <nand.h>
+#include <netdev.h>
+#include <phy.h>
+#include <rtc.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_defs.h>
+#include <asm/arch/spr_misc.h>
+#include <linux/mtd/fsmc_nand.h>
+#include "fpga.h"
+
+static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
+
+int board_init(void)
+{
+ /*
+ * X600 is equipped with an M41T82 RTC. This RTC has the
+ * HT bit (Halt Update), which needs to be cleared upon
+ * power-up. Otherwise the RTC is halted.
+ */
+ rtc_reset();
+
+ return spear_board_init(MACH_TYPE_SPEAR600);
+}
+
+int board_late_init(void)
+{
+ /*
+ * Monitor and env protection on by default
+ */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE +
+ CONFIG_SYS_SPL_LEN + CONFIG_SYS_MONITOR_LEN +
+ 2 * CONFIG_ENV_SECT_SIZE - 1,
+ &flash_info[0]);
+
+ /* Init FPGA subsystem */
+ x600_init_fpga();
+
+ return 0;
+}
+
+/*
+ * board_nand_init - Board specific NAND initialization
+ * @nand: mtd private chip structure
+ *
+ * Called by nand_init_chip to initialize the board specific functions
+ */
+
+void board_nand_init(void)
+{
+ struct misc_regs *const misc_regs_p =
+ (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ struct nand_chip *nand = &nand_chip[0];
+
+ if (!(readl(&misc_regs_p->auto_cfg_reg) & MISC_NANDDIS))
+ fsmc_nand_init(nand);
+}
+
+int designware_board_phy_init(struct eth_device *dev, int phy_addr,
+ int (*mii_write)(struct eth_device *, u8, u8, u16),
+ int dw_reset_phy(struct eth_device *))
+{
+ /* Extended PHY control 1, select GMII */
+ mii_write(dev, phy_addr, 23, 0x0020);
+
+ /* Software reset necessary after GMII mode selction */
+ dw_reset_phy(dev);
+
+ /* Enable extended page register access */
+ mii_write(dev, phy_addr, 31, 0x0001);
+
+ /* 17e: Enhanced LED behavior, needs to be written twice */
+ mii_write(dev, phy_addr, 17, 0x09ff);
+ mii_write(dev, phy_addr, 17, 0x09ff);
+
+ /* 16e: Enhanced LED method select */
+ mii_write(dev, phy_addr, 16, 0xe0ea);
+
+ /* Disable extended page register access */
+ mii_write(dev, phy_addr, 31, 0x0000);
+
+ /* Enable clock output pin */
+ mii_write(dev, phy_addr, 18, 0x0049);
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ int ret = 0;
+
+ if (designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_PHY_ADDR,
+ PHY_INTERFACE_MODE_GMII) >= 0)
+ ret++;
+
+ return ret;
+}
diff --git a/boards.cfg b/boards.cfg
index f9df74b26..5eb35c959 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -218,6 +218,7 @@ spear600 arm arm926ejs spear600 spear
spear600_nand arm arm926ejs spear600 spear spear spear6xx_evb:spear600,nand
spear600_usbtty arm arm926ejs spear600 spear spear spear6xx_evb:spear600,usbtty
spear600_usbtty_nand arm arm926ejs spear600 spear spear spear6xx_evb:spear600,usbtty,nand
+x600 arm arm926ejs - spear spear x600
versatileab arm arm926ejs versatile armltd versatile versatile:ARCH_VERSATILE_AB
versatilepb arm arm926ejs versatile armltd versatile versatile:ARCH_VERSATILE_PB
versatileqemu arm arm926ejs versatile armltd versatile versatile:ARCH_VERSATILE_QEMU,ARCH_VERSATILE_PB
diff --git a/include/configs/x600.h b/include/configs/x600.h
new file mode 100644
index 000000000..3082aaa1e
--- /dev/null
+++ b/include/configs/x600.h
@@ -0,0 +1,339 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, STMicroelectronics, <vipin.kumar@st.com>
+ *
+ * Copyright (C) 2012 Stefan Roese <sr@denx.de>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_SPEAR600 /* SPEAr600 SoC */
+#define CONFIG_X600 /* on X600 board */
+
+#include <asm/arch/hardware.h>
+
+/* Timer, HZ specific defines */
+#define CONFIG_SYS_HZ 1000
+#define CONFIG_SYS_HZ_CLOCK 8300000
+
+#define CONFIG_SYS_TEXT_BASE 0x00800040
+#define CONFIG_SYS_FLASH_BASE 0xf8000000
+/* Reserve 8KiB for SPL */
+#define CONFIG_SPL_PAD_TO 8192 /* decimal for 'dd' */
+#define CONFIG_SYS_SPL_LEN CONFIG_SPL_PAD_TO
+#define CONFIG_SYS_UBOOT_BASE (CONFIG_SYS_FLASH_BASE + \
+ CONFIG_SYS_SPL_LEN)
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_MONITOR_LEN 0x60000
+
+#define CONFIG_ENV_IS_IN_FLASH
+
+/* Serial Configuration (PL011) */
+#define CONFIG_SYS_SERIAL0 0xD0000000
+#define CONFIG_SYS_SERIAL1 0xD0080000
+#define CONFIG_PL01x_PORTS { (void *)CONFIG_SYS_SERIAL0, \
+ (void *)CONFIG_SYS_SERIAL1 }
+#define CONFIG_PL011_SERIAL
+#define CONFIG_PL011_CLOCK (48 * 1000 * 1000)
+#define CONFIG_CONS_INDEX 0
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, \
+ 57600, 115200 }
+#define CONFIG_SYS_LOADS_BAUD_CHANGE
+
+/* NOR FLASH config options */
+#define CONFIG_ST_SMI
+#define CONFIG_SYS_MAX_FLASH_BANKS 1
+#define CONFIG_SYS_FLASH_BANK_SIZE 0x01000000
+#define CONFIG_SYS_FLASH_ADDR_BASE { CONFIG_SYS_FLASH_BASE }
+#define CONFIG_SYS_MAX_FLASH_SECT 128
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+#define CONFIG_SYS_FLASH_ERASE_TOUT (3 * CONFIG_SYS_HZ)
+#define CONFIG_SYS_FLASH_WRITE_TOUT (3 * CONFIG_SYS_HZ)
+
+/* NAND FLASH config options */
+#define CONFIG_NAND_FSMC
+#define CONFIG_SYS_NAND_SELF_INIT
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE CONFIG_FSMC_NAND_BASE
+#define CONFIG_MTD_ECC_SOFT
+#define CONFIG_SYS_FSMC_NAND_8BIT
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+
+/* UBI/UBI config options */
+#define CONFIG_MTD_DEVICE
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_RBTREE
+
+/* Ethernet config options */
+#define CONFIG_MII
+#define CONFIG_DESIGNWARE_ETH
+#define CONFIG_DW_SEARCH_PHY
+#define CONFIG_NET_MULTI
+#define CONFIG_PHY_RESET_DELAY 10000 /* in usec */
+#define CONFIG_DW_AUTONEG
+#define CONFIG_PHY_ADDR 0 /* PHY address */
+#define CONFIG_PHY_GIGE /* Include GbE speed/duplex detection */
+
+#define CONFIG_SPEAR_GPIO
+
+/* I2C config options */
+#define CONFIG_HARD_I2C
+#define CONFIG_DW_I2C
+#define CONFIG_SYS_I2C_SPEED 400000
+#define CONFIG_SYS_I2C_SLAVE 0x02
+#define CONFIG_I2C_CHIPADDRESS 0x50
+
+#define CONFIG_RTC_M41T62 1
+#define CONFIG_SYS_I2C_RTC_ADDR 0x68
+
+/* FPGA config options */
+#define CONFIG_FPGA
+#define CONFIG_FPGA_XILINX
+#define CONFIG_FPGA_SPARTAN3
+#define CONFIG_FPGA_COUNT 1
+
+/*
+ * Command support defines
+ */
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_ENV
+#define CONFIG_CMD_FPGA
+#define CONFIG_CMD_GPIO
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_RUN
+#define CONFIG_CMD_SAVES
+#define CONFIG_CMD_UBI
+#define CONFIG_CMD_UBIFS
+#define CONFIG_LZO
+
+/* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <config_cmd_default.h>
+
+#define CONFIG_BOOTDELAY 3
+
+#define CONFIG_SYS_HUSH_PARSER /* Use the HUSH parser */
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
+
+/*
+ * U-Boot Environment placing definitions.
+ */
+#define CONFIG_ENV_SECT_SIZE 0x00010000
+#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + \
+ CONFIG_SYS_MONITOR_LEN)
+#define CONFIG_ENV_SIZE 0x02000
+#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + \
+ CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
+
+/* Miscellaneous configurable options */
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_BOOT_PARAMS_ADDR 0x00000100
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_OF_LIBFDT /* enable passing of devicetree */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_MISC_INIT_R
+#define CONFIG_BOARD_LATE_INIT
+#define CONFIG_LOOPW /* enable loopw command */
+#define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+#define CONFIG_AUTOBOOT_KEYED
+#define CONFIG_AUTOBOOT_STOP_STR " "
+#define CONFIG_AUTOBOOT_PROMPT \
+ "Hit SPACE in %d seconds to stop autoboot.\n", bootdelay
+
+#define CONFIG_SYS_MEMTEST_START 0x00800000
+#define CONFIG_SYS_MEMTEST_END 0x04000000
+#define CONFIG_SYS_MALLOC_LEN (1024 * 1024)
+#define CONFIG_IDENT_STRING "-SPEAr"
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT "X600> "
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_CBSIZE 256
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS 16
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_LOAD_ADDR 0x00800000
+#define CONFIG_SYS_CONSOLE_INFO_QUIET
+#define CONFIG_SYS_64BIT_VSPRINTF
+
+/* Use last 2 lwords in internal SRAM for bootcounter */
+#define CONFIG_BOOTCOUNT_LIMIT
+#define CONFIG_SYS_BOOTCOUNT_ADDR 0xd2801ff8
+
+#define CONFIG_HOSTNAME x600
+#define CONFIG_UBI_PART ubi0
+#define CONFIG_UBIFS_VOLUME rootfs
+
+#define xstr(s) str(s)
+#define str(s) #s
+
+#define MTDIDS_DEFAULT "nand0=nand"
+#define MTDPARTS_DEFAULT "mtdparts=nand:64M(ubi0),64M(ubi1)"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "u-boot_addr=1000000\0" \
+ "u-boot=" xstr(CONFIG_HOSTNAME) "/u-boot.spr\0" \
+ "load=tftp ${u-boot_addr} ${u-boot}\0" \
+ "update=protect off " xstr(CONFIG_SYS_MONITOR_BASE) " +${filesize};"\
+ "erase " xstr(CONFIG_SYS_MONITOR_BASE) " +${filesize};" \
+ "cp.b ${u-boot_addr} " xstr(CONFIG_SYS_MONITOR_BASE) \
+ " ${filesize};" \
+ "protect on " xstr(CONFIG_SYS_MONITOR_BASE) \
+ " +${filesize}\0" \
+ "upd=run load update\0" \
+ "ubifs=" xstr(CONFIG_HOSTNAME) "/ubifs.img\0" \
+ "part=" xstr(CONFIG_UBI_PART) "\0" \
+ "vol=" xstr(CONFIG_UBIFS_VOLUME) "\0" \
+ "load_ubifs=tftp ${kernel_addr} ${ubifs}\0" \
+ "update_ubifs=ubi part ${part};ubi write ${kernel_addr} ${vol}" \
+ " ${filesize}\0" \
+ "upd_ubifs=run load_ubifs update_ubifs\0" \
+ "init_ubifs=nand erase.part ubi0;ubi part ${part};" \
+ "ubi create ${vol} 4000000\0" \
+ "netdev=eth0\0" \
+ "rootpath=/opt/eldk-4.2/arm\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=${serverip}:${rootpath}\0" \
+ "ramargs=setenv bootargs root=/dev/ram rw\0" \
+ "boot_part=0\0" \
+ "altbootcmd=if test $boot_part -eq 0;then " \
+ "echo Switching to partition 1!;" \
+ "setenv boot_part 1;" \
+ "else; " \
+ "echo Switching to partition 0!;" \
+ "setenv boot_part 0;" \
+ "fi;" \
+ "saveenv;boot\0" \
+ "ubifsargs=set bootargs ubi.mtd=ubi${boot_part} " \
+ "root=ubi0:rootfs rootfstype=ubifs\0" \
+ "kernel=" xstr(CONFIG_HOSTNAME) "/uImage\0" \
+ "kernel_fs=/boot/uImage \0" \
+ "kernel_addr=1000000\0" \
+ "dtb=" xstr(CONFIG_HOSTNAME) "/" xstr(CONFIG_HOSTNAME) ".dtb\0" \
+ "dtb_fs=/boot/" xstr(CONFIG_HOSTNAME) ".dtb\0" \
+ "dtb_addr=1800000\0" \
+ "load_kernel=tftp ${kernel_addr} ${kernel}\0" \
+ "load_dtb=tftp ${dtb_addr} ${dtb}\0" \
+ "addip=setenv bootargs ${bootargs} " \
+ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
+ ":${hostname}:${netdev}:off panic=1\0" \
+ "addcon=setenv bootargs ${bootargs} console=ttyAMA0," \
+ "${baudrate}\0" \
+ "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
+ "net_nfs=run load_dtb load_kernel; " \
+ "run nfsargs addip addcon addmtd addmisc;" \
+ "bootm ${kernel_addr} - ${dtb_addr}\0" \
+ "mtdids=" MTDIDS_DEFAULT "\0" \
+ "mtdparts=" MTDPARTS_DEFAULT "\0" \
+ "nand_ubifs=run ubifs_mount ubifs_load ubifsargs addip" \
+ " addcon addmisc addmtd;" \
+ "bootm ${kernel_addr} - ${dtb_addr}\0" \
+ "ubifs_mount=ubi part ubi${boot_part};ubifsmount rootfs\0" \
+ "ubifs_load=ubifsload ${kernel_addr} ${kernel_fs};" \
+ "ubifsload ${dtb_addr} ${dtb_fs};\0" \
+ "nand_ubifs=run ubifs_mount ubifs_load ubifsargs addip addcon " \
+ "addmtd addmisc;bootm ${kernel_addr} - ${dtb_addr}\0" \
+ "bootcmd=run nand_ubifs\0" \
+ "\0"
+
+/* Stack sizes */
+#define CONFIG_STACKSIZE (512 * 1024)
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM_1 0x00000000
+#define PHYS_SDRAM_1_MAXSIZE 0x40000000
+
+#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
+#define CONFIG_SYS_INIT_RAM_ADDR 0xD2800000
+#define CONFIG_SYS_INIT_RAM_SIZE 0x2000
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+ (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/*
+ * SPL related defines
+ */
+#define CONFIG_SPL
+#define CONFIG_SPL_TEXT_BASE 0xd2800b00
+#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/spear"
+#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds"
+
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_LIBCOMMON_SUPPORT /* image.c */
+#define CONFIG_SPL_LIBGENERIC_SUPPORT /* string.c */
+#define CONFIG_SPL_NO_PRINTF
+
+/*
+ * Please select/define only one of the following
+ * Each definition corresponds to a supported DDR chip.
+ * DDR configuration is based on the following selection
+ */
+#define CONFIG_DDR_MT47H64M16 1
+#define CONFIG_DDR_MT47H32M16 0
+#define CONFIG_DDR_MT47H128M8 0
+
+/*
+ * Synchronous/Asynchronous operation of DDR
+ *
+ * Select CONFIG_DDR_2HCLK for DDR clk = 333MHz, synchronous operation
+ * Select CONFIG_DDR_HCLK for DDR clk = 166MHz, synchronous operation
+ * Select CONFIG_DDR_PLL2 for DDR clk = PLL2, asynchronous operation
+ */
+#define CONFIG_DDR_2HCLK 1
+#define CONFIG_DDR_HCLK 0
+#define CONFIG_DDR_PLL2 0
+
+/*
+ * xxx_BOOT_SUPPORTED macro defines whether a booting type is supported
+ * or not. Modify/Add to only these macros to define new boot types
+ */
+#define USB_BOOT_SUPPORTED 0
+#define PCIE_BOOT_SUPPORTED 0
+#define SNOR_BOOT_SUPPORTED 1
+#define NAND_BOOT_SUPPORTED 1
+#define PNOR_BOOT_SUPPORTED 0
+#define TFTP_BOOT_SUPPORTED 0
+#define UART_BOOT_SUPPORTED 0
+#define SPI_BOOT_SUPPORTED 0
+#define I2C_BOOT_SUPPORTED 0
+#define MMC_BOOT_SUPPORTED 0
+
+#endif /* __CONFIG_H */
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