Add initial support for Freescale MX28EVK board.
Tested boot via SD card and by loading a kernel via TFTP through the FEC interface.
Signed-off-by: Fabio Estevam fabio.estevam@freescale.com Acked-by: Marek Vasut marek.vasut@gmail.com --- - For correct operation of saving environment variables into the SD card, the following patch is needed: http://lists.denx.de/pipermail/u-boot/2011-November/111448.html Changes since v6: - Added Acked-by line Changes since v5: - Fix tab vs spaces on mx28evk.h - Change return value on dram_init() Changes since v4: - No changes Changes since v3: - Fix Copyright in mx28evk.h - Call mx28_dram_init from dram_init Changes since v2: - Generate the patch again due to error in applying unrelated changes Changes since v1: - Read the MAC from fuses - Use tabs instead of space in u-boot.bd - Use puts instead of print - Factor out mac reading function - Factor out ddr size calculation function - Use GENERATED_GBL_DATA_SIZE - Protect CONFIG_ENV_IS_IN_MMC MAINTAINERS | 1 + board/freescale/mx28evk/Makefile | 49 ++++++++++ board/freescale/mx28evk/iomux.c | 138 +++++++++++++++++++++++++++++ board/freescale/mx28evk/mx28evk.c | 169 +++++++++++++++++++++++++++++++++++ board/freescale/mx28evk/u-boot.bd | 14 +++ boards.cfg | 1 + include/configs/mx28evk.h | 176 +++++++++++++++++++++++++++++++++++++ 7 files changed, 548 insertions(+), 0 deletions(-) create mode 100644 board/freescale/mx28evk/Makefile create mode 100644 board/freescale/mx28evk/iomux.c create mode 100644 board/freescale/mx28evk/mx28evk.c create mode 100644 board/freescale/mx28evk/u-boot.bd create mode 100644 include/configs/mx28evk.h
diff --git a/MAINTAINERS b/MAINTAINERS index a56ca10..72e1089 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -639,6 +639,7 @@ Kristoffer Ericson kristoffer.ericson@gmail.com Fabio Estevam fabio.estevam@freescale.com
mx25pdk i.MX25 + mx28evk i.MX28 mx31pdk i.MX31 mx53ard i.MX53 mx53smd i.MX53 diff --git a/board/freescale/mx28evk/Makefile b/board/freescale/mx28evk/Makefile new file mode 100644 index 0000000..7459107 --- /dev/null +++ b/board/freescale/mx28evk/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# 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 := mx28evk.o +else +COBJS := iomux.o +endif + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +all: $(ALL) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/mx28evk/iomux.c b/board/freescale/mx28evk/iomux.c new file mode 100644 index 0000000..904e3f3 --- /dev/null +++ b/board/freescale/mx28evk/iomux.c @@ -0,0 +1,138 @@ +/* + * Freescale MX28EVK IOMUX setup + * + * Copyright (C) 2011 Marek Vasut marek.vasut@gmail.com + * on behalf of DENX Software Engineering GmbH + * + * 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 <config.h> +#include <asm/io.h> +#include <asm/arch/iomux-mx28.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> + +#define MUX_CONFIG_SSP0 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) + +const iomux_cfg_t iomux_setup[] = { + /* DUART */ + MX28_PAD_PWM0__DUART_RX, + MX28_PAD_PWM1__DUART_TX, + + /* MMC0 */ + MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA4__SSP0_D4 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA5__SSP0_D5 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA6__SSP0_D6 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA7__SSP0_D7 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + MX28_PAD_SSP0_SCK__SSP0_SCK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + /* write protect */ + MX28_PAD_SSP1_SCK__GPIO_2_12, + /* MMC0 slot power enable */ + MX28_PAD_PWM3__GPIO_3_28 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + + /* FEC0 */ + MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET, + MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET, + MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET, + /* FEC0 Enable */ + MX28_PAD_SSP1_DATA3__GPIO_2_15 | + (MXS_PAD_12MA | MXS_PAD_3V3), + /* FEC0 Reset */ + MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + + /* FEC1 */ + MX28_PAD_ENET0_COL__ENET1_TX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_CRS__ENET1_RX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MUX_CONFIG_ENET, + + /* EMI */ + MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI, + MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI, + MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI, + + MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, + MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, + MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, + MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, + MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, + MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, +}; + +void board_init_ll(void) +{ + mx28_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); +} diff --git a/board/freescale/mx28evk/mx28evk.c b/board/freescale/mx28evk/mx28evk.c new file mode 100644 index 0000000..0d04d44 --- /dev/null +++ b/board/freescale/mx28evk/mx28evk.c @@ -0,0 +1,169 @@ +/* + * Freescale MX28EVK board + * + * (C) Copyright 2011 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam fabio.estevam@freescale.com + * + * Based on m28evk.c: + * Copyright (C) 2011 Marek Vasut marek.vasut@gmail.com + * on behalf of DENX Software Engineering GmbH + * + * 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 <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux-mx28.h> +#include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> +#include <linux/mii.h> +#include <miiphy.h> +#include <netdev.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Functions + */ +int board_early_init_f(void) +{ + /* IO0 clock at 480MHz */ + mx28_set_ioclk(MXC_IOCLK0, 480000); + /* IO1 clock at 480MHz */ + mx28_set_ioclk(MXC_IOCLK1, 480000); + + /* SSP0 clock at 96MHz */ + mx28_set_sspclk(MXC_SSPCLK0, 96000, 0); + /* SSP2 clock at 96MHz */ + mx28_set_sspclk(MXC_SSPCLK2, 96000, 0); + + return 0; +} + +int dram_init(void) +{ + return mx28_dram_init(); +} + +int board_init(void) +{ + /* Adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +#ifdef CONFIG_CMD_MMC +static int mx28evk_mmc_wp(int id) +{ + if (id != 0) { + printf("MXS MMC: Invalid card selected (card id = %d)\n", id); + return 1; + } + + return gpio_get_value(MX28_PAD_SSP1_SCK__GPIO_2_12); +} + +int board_mmc_init(bd_t *bis) +{ + /* Configure WP as input */ + gpio_direction_input(MX28_PAD_SSP1_SCK__GPIO_2_12); + + /* Configure MMC0 Power Enable */ + gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0); + + return mxsmmc_initialize(bis, 0, mx28evk_mmc_wp); +} +#endif + +#ifdef CONFIG_CMD_NET + +#define MII_OPMODE_STRAP_OVERRIDE 0x16 +#define MII_PHY_CTRL1 0x1e +#define MII_PHY_CTRL2 0x1f + +int fecmxc_mii_postcall(int phy) +{ + miiphy_write("FEC1", phy, MII_BMCR, 0x9000); + miiphy_write("FEC1", phy, MII_OPMODE_STRAP_OVERRIDE, 0x0202); + if (phy == 3) + miiphy_write("FEC1", 3, MII_PHY_CTRL2, 0x8180); + return 0; +} + +int board_eth_init(bd_t *bis) +{ + struct mx28_clkctrl_regs *clkctrl_regs = + (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct eth_device *dev; + int ret; + + ret = cpu_eth_init(bis); + + /* MX28EVK uses ENET_CLK PAD to drive FEC clock */ + writel(CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN, + &clkctrl_regs->hw_clkctrl_enet); + + /* Power-on FECs */ + gpio_direction_output(MX28_PAD_SSP1_DATA3__GPIO_2_15, 0); + + /* Reset FEC PHYs */ + gpio_direction_output(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 0); + udelay(200); + gpio_set_value(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 1); + + ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE); + if (ret) { + puts("FEC MXS: Unable to init FEC0\n"); + return ret; + } + + ret = fecmxc_initialize_multi(bis, 1, 3, MXS_ENET1_BASE); + if (ret) { + puts("FEC MXS: Unable to init FEC1\n"); + return ret; + } + + dev = eth_get_dev_by_name("FEC0"); + if (!dev) { + puts("FEC MXS: Unable to get FEC0 device entry\n"); + return -EINVAL; + } + + ret = fecmxc_register_mii_postcall(dev, fecmxc_mii_postcall); + if (ret) { + puts("FEC MXS: Unable to register FEC0 mii postcall\n"); + return ret; + } + + dev = eth_get_dev_by_name("FEC1"); + if (!dev) { + puts("FEC MXS: Unable to get FEC1 device entry\n"); + return -EINVAL; + } + + ret = fecmxc_register_mii_postcall(dev, fecmxc_mii_postcall); + if (ret) { + puts("FEC MXS: Unable to register FEC1 mii postcall\n"); + return ret; + } + + return ret; +} + +#endif diff --git a/board/freescale/mx28evk/u-boot.bd b/board/freescale/mx28evk/u-boot.bd new file mode 100644 index 0000000..c60615a --- /dev/null +++ b/board/freescale/mx28evk/u-boot.bd @@ -0,0 +1,14 @@ +sources { + u_boot_spl="spl/u-boot-spl.bin"; + u_boot="u-boot.bin"; +} + +section (0) { + load u_boot_spl > 0x0000; + load ivt (entry = 0x0014) > 0x8000; + hab call 0x8000; + + load u_boot > 0x40000100; + load ivt (entry = 0x40000100) > 0x8000; + hab call 0x8000; +} diff --git a/boards.cfg b/boards.cfg index 1e5b3e0..e859024 100644 --- a/boards.cfg +++ b/boards.cfg @@ -160,6 +160,7 @@ zmx25 arm arm926ejs zmx25 syteco imx27lite arm arm926ejs imx27lite logicpd mx27 magnesium arm arm926ejs imx27lite logicpd mx27 m28evk arm arm926ejs - denx mx28 +mx28evk arm arm926ejs - freescale mx28 nhk8815 arm arm926ejs nhk8815 st nomadik nhk8815_onenand arm arm926ejs nhk8815 st nomadik nhk8815:BOOT_ONENAND omap1610h2 arm arm926ejs omap1610inn ti omap omap1610inn:CS3_BOOT diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h new file mode 100644 index 0000000..5b8a1bf --- /dev/null +++ b/include/configs/mx28evk.h @@ -0,0 +1,176 @@ +/* + * (C) Copyright 2011 Freescale Semiconductor, Inc. + * Author: Fabio Estevam fabio.estevam@freescale.com + * + * Based on m28evk.h: + * Copyright (C) 2011 Marek Vasut marek.vasut@gmail.com + * on behalf of DENX Software Engineering GmbH + * + * 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 __CONFIG_H +#define __CONFIG_H + +#include <asm/arch/regs-base.h> + +/* + * SoC configurations + */ +#define CONFIG_MX28 /* i.MX28 SoC */ +#define CONFIG_MXS_GPIO /* GPIO control */ +#define CONFIG_SYS_HZ 1000 /* Ticks per second */ + +#define CONFIG_MACH_TYPE MACH_TYPE_MX28EVK + +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_ICACHE_OFF +#define CONFIG_SYS_DCACHE_OFF +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_ARCH_CPU_INIT +#define CONFIG_ARCH_MISC_INIT + +/* + * SPL + */ +#define CONFIG_SPL +#define CONFIG_SPL_NO_CPU_SUPPORT_CODE +#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mx28" +#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mx28/u-boot-spl.lds" +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT + +/* + * U-Boot Commands + */ +#include <config_cmd_default.h> +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DOS_PARTITION +#define CONFIG_CMD_FAT + +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_GPIO +#define CONFIG_CMD_MII +#define CONFIG_CMD_MMC +#define CONFIG_CMD_NET +#define CONFIG_CMD_NFS +#define CONFIG_CMD_PING + +/* + * Memory configurations + */ +#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ +#define PHYS_SDRAM_1 0x40000000 /* Base address */ +#define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ +#define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ +#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ +#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ +#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +/* Point initial SP in SRAM so SPL can use it too. */ + +#define CONFIG_SYS_INIT_RAM_ADDR 0x00002000 +#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) + +#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) + +/* + * We need to sacrifice first 4 bytes of RAM here to avoid triggering some + * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot + * binary. In case there was more of this mess, 0x100 bytes are skipped. + */ +#define CONFIG_SYS_TEXT_BASE 0x40000100 + +#define CONFIG_ENV_OVERWRITE +/* + * U-Boot general configurations + */ +#define CONFIG_SYS_LONGHELP +#define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ +#define CONFIG_SYS_PBSIZE \ + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) + /* Print buffer size */ +#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + /* Boot argument buffer size */ +#define CONFIG_VERSION_VARIABLE /* U-BOOT version */ +#define CONFIG_AUTO_COMPLETE /* Command auto complete */ +#define CONFIG_CMDLINE_EDITING /* Command history etc */ +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " + +/* + * Serial Driver + */ +#define CONFIG_PL011_SERIAL +#define CONFIG_PL011_CLOCK 24000000 +#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } +#define CONFIG_CONS_INDEX 0 +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* + * MMC Driver + */ +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_ENV_OFFSET (256 * 1024) +#define CONFIG_ENV_SIZE (16 * 1024) +#define CONFIG_SYS_MMC_ENV_DEV 0 +#define CONFIG_CMD_SAVEENV +#ifdef CONFIG_CMD_MMC +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_MXS_MMC +#endif + +/* + * Ethernet on SOC (FEC) + */ +#ifdef CONFIG_CMD_NET +#define CONFIG_NET_MULTI +#define CONFIG_ETHPRIME "FEC0" +#define CONFIG_FEC_MXC +#define CONFIG_FEC_MXC_MULTI +#define CONFIG_MII +#define CONFIG_DISCOVER_PHY +#define CONFIG_FEC_XCV_TYPE RMII +#define CONFIG_MX28_FEC_MAC_IN_OCOTP +#endif + +/* + * Boot Linux + */ +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_BOOTCOMMAND "run bootcmd_net" +#define CONFIG_LOADADDR 0x42000000 +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR + +/* + * Extra Environments + */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "console_fsl=console=ttyAM0" \ + "console_mainline=console=ttyAMA0" \ + "netargs=setenv bootargs console=${console_mainline}" \ + "root=/dev/nfs " \ + "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \ + "bootcmd_net=echo Booting from net ...; " \ + "run netargs; " \ + "dhcp ${uimage}; bootm\0" \ + +#endif /* __CONFIG_H */