[U-Boot] [PATCH v3] Add support for Congatec Conga-QEVAl board

Otavio Salvador otavio at ossystems.com.br
Wed May 15 15:46:49 CEST 2013


On Wed, May 15, 2013 at 10:36 AM, SARTRE Leo
<lsartre at adeneo-embedded.com> wrote:
> Add minimal support (only boot from mmc device) for the Congatec
> Conga-QEVAl Evaluation Carrier Board with conga-Qmx6q (i.MX6 Quad
> processor) module.
>
> Signed-off-by: Leo Sartre <lsartre at adeneo-embedded.com>
> ---
>
> Changes in v3:
>                 -Files where moved to cgtqmx6eval.
>                 -MX6Q macro is passed in config as it is done for the
>                 wandboard.
> Thanks Otavio for these advices.
>
>  MAINTAINERS                              |    4 +
>  board/congatec/cgtqmx6eval/Makefile      |   42 +++++++
>  board/congatec/cgtqmx6eval/README        |   28 +++++
>  board/congatec/cgtqmx6eval/cgtqmx6eval.c |  178 +++++++++++++++++++++++++++
>  boards.cfg                               |    1 +
>  include/configs/cgtqmx6eval.h            |  197 ++++++++++++++++++++++++++++++
>  6 files changed, 450 insertions(+)
>  create mode 100644 board/congatec/cgtqmx6eval/Makefile
>  create mode 100644 board/congatec/cgtqmx6eval/README
>  create mode 100644 board/congatec/cgtqmx6eval/cgtqmx6eval.c
>  create mode 100644 include/configs/cgtqmx6eval.h
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 643a5ac..b61484b 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -889,6 +889,10 @@ Steve Sakoman <sakoman at gmail.com>
>
>         omap3_overo     ARM ARMV7 (OMAP3xx SoC)
>
> +Leo Sartre <lsartre at adeneo-embedded.com>
> +
> +       cgtqmx6q                i.MX6Q
> +
>  Jens Scharsig <esw at bus-elektronik.de>
>
>         eb_cpux9k2      ARM920T (AT91RM9200 SoC)
> diff --git a/board/congatec/cgtqmx6eval/Makefile b/board/congatec/cgtqmx6eval/Makefile
> new file mode 100644
> index 0000000..ac16c1f
> --- /dev/null
> +++ b/board/congatec/cgtqmx6eval/Makefile
> @@ -0,0 +1,42 @@
> +#
> +# Copyright (C) 2007, Guennadi Liakhovetski <lg at denx.de>
> +#
> +# (C) Copyright 2011 Freescale Semiconductor, Inc.
> +# (C) Copyright 2013 Adeneo Embedded <www.adeneo-embedded.com>
> +#
> +# 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
> +
> +COBJS  := cgtqmx6eval.o
> +
> +SRCS   := $(COBJS:.o=.c)
> +OBJS   := $(addprefix $(obj),$(COBJS))
> +
> +$(LIB):        $(obj).depend $(OBJS)
> +       $(call cmd_link_o_target, $(OBJS))
> +
> +#########################################################################
> +
> +# defines $(obj).depend target
> +include $(SRCTREE)/rules.mk
> +
> +sinclude $(obj).depend
> +
> +#########################################################################
> diff --git a/board/congatec/cgtqmx6eval/README b/board/congatec/cgtqmx6eval/README
> new file mode 100644
> index 0000000..31162e2
> --- /dev/null
> +++ b/board/congatec/cgtqmx6eval/README
> @@ -0,0 +1,28 @@
> +U-Boot for the Congatec Conga-QEVAl Evaluation Carrier board
> +
> +This file contains information for the port of U-Boot to the Congatec
> +Conga-QEVAl Evaluation Carrier board.
> +
> +1. Boot source, boot from SD card
> +---------------------------------
> +
> +This version of u-boot works only on the SD card. By default, the
> +Congatec board can boot only from the SPI-NOR.
> +But, with the u-boot version provided with the board you can write boot
> +registers to force the board to reboot and boot from the SD slot. If
> +"bmode" command is not available from your pre-installed u-boot, these
> +instruction will produce the same effect:
> +
> +conga-QMX6 U-Boot > mw.l 0x20d8040 0x3850
> +conga-QMX6 U-Boot > mw.l 0x020d8044 0x10000000
> +conga-QMX6 U-Boot > reset
> +resetting ...
> +
> +The the board will reboot and, if you have written your SD correctly
> +the board will use u-boot that live into the SD
> +
> +To copy the resulting u-boot.imx to the SD card:
> +
> + dd if=u-boot.imx of=/dev/xxx bs=512 seek=2
> +
> +Note: Replace xxx with the device representing the SD card in your system.
> diff --git a/board/congatec/cgtqmx6eval/cgtqmx6eval.c b/board/congatec/cgtqmx6eval/cgtqmx6eval.c
> new file mode 100644
> index 0000000..e5d2adb
> --- /dev/null
> +++ b/board/congatec/cgtqmx6eval/cgtqmx6eval.c
> @@ -0,0 +1,178 @@
> +/*
> + * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
> + * Based on mx6qsabrelite.c file
> + * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com>
> + * Leo Sartre, <lsartre at adeneo-embedded.com>
> + *
> + * 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 <asm/io.h>
> +#include <asm/arch/clock.h>
> +#include <asm/arch/imx-regs.h>
> +#include <asm/arch/iomux.h>
> +#include <asm/arch/mx6-pins.h>
> +#include <asm/gpio.h>
> +#include <asm/imx-common/iomux-v3.h>
> +#include <asm/imx-common/boot_mode.h>
> +#include <mmc.h>
> +#include <fsl_esdhc.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |\
> +       PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |\
> +       PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
> +
> +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |\
> +       PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |\
> +       PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
> +
> +int dram_init(void)
> +{
> +       gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
> +
> +       return 0;
> +}
> +
> +iomux_v3_cfg_t const uart2_pads[] = {
> +       MX6_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
> +       MX6_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
> +};
> +
> +iomux_v3_cfg_t const usdhc2_pads[] = {
> +       MX6_PAD_SD2_CLK__USDHC2_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD2_CMD__USDHC2_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_GPIO_4__GPIO_1_4      | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +};
> +
> +iomux_v3_cfg_t const usdhc4_pads[] = {
> +       MX6_PAD_SD4_CLK__USDHC4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_CMD__USDHC4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_DAT4__USDHC4_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_DAT5__USDHC4_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_DAT6__USDHC4_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_SD4_DAT7__USDHC4_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +       MX6_PAD_NANDF_D6__GPIO_2_6    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
> +};
> +
> +static void setup_iomux_uart(void)
> +{
> +       imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
> +}
> +
> +#ifdef CONFIG_FSL_ESDHC
> +struct fsl_esdhc_cfg usdhc_cfg[] = {
> +       {USDHC2_BASE_ADDR},
> +       {USDHC4_BASE_ADDR},
> +};
> +
> +int board_mmc_getcd(struct mmc *mmc)
> +{
> +       struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
> +       int ret;
> +
> +       switch (cfg->esdhc_base) {
> +       case USDHC2_BASE_ADDR:
> +               gpio_direction_input(IMX_GPIO_NR(1, 4));
> +               ret = !gpio_get_value(IMX_GPIO_NR(1, 4));
> +               break;
> +       case USDHC4_BASE_ADDR:
> +               gpio_direction_input(IMX_GPIO_NR(2, 6));
> +               ret = !gpio_get_value(IMX_GPIO_NR(2, 6));
> +               break;
> +       default:
> +               printf("Bad USDHC interface\n");
> +       }
> +
> +       return ret;
> +}
> +
> +int board_mmc_init(bd_t *bis)
> +{
> +       s32 status = 0;
> +
> +       usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
> +       usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
> +
> +       imx_iomux_v3_setup_multiple_pads(
> +                               usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
> +       imx_iomux_v3_setup_multiple_pads(
> +                               usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
> +
> +       status = fsl_esdhc_initialize(bis, &usdhc_cfg[0]) |
> +                    fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
> +
> +       return status;
> +}
> +#endif
> +
> +int board_early_init_f(void)
> +{
> +       setup_iomux_uart();
> +
> +       return 0;
> +}
> +
> +int board_init(void)
> +{
> +       u32 reg;
> +       /*Same init as the sabrelite*/
> +       writel(0x41736166, SNVS_BASE_ADDR + 0x64);/*set LPPGDR*/
> +       udelay(10);
> +       reg = readl(SNVS_BASE_ADDR + 0x4c);
> +       reg |= (1 << 3);
> +       writel(reg, SNVS_BASE_ADDR + 0x4c);/*clear LPSR*/
> +
> +       /* address of boot parameters */
> +       gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
> +
> +       return 0;
> +}
> +
> +int checkboard(void)
> +{
> +#ifdef CONFIG_MX6Q
> +       puts("Board: Congatec QMX6 Quad\n");
> +#endif

You missed DL variant, it seems.

> +       return 0;
> +}
> +
> +#ifdef CONFIG_CMD_BMODE
> +static const struct boot_mode board_boot_modes[] = {
> +       /* 4 bit bus width */
> +       {"mmc0",        MAKE_CFGVAL(0x50, 0x20, 0x00, 0x00)},
> +       {"mmc1",        MAKE_CFGVAL(0x50, 0x38, 0x00, 0x00)},
> +       {NULL,          0},
> +};
> +#endif
> +
> +int misc_init_r(void)
> +{
> +#ifdef CONFIG_CMD_BMODE
> +       add_board_boot_modes(board_boot_modes);
> +#endif
> +       return 0;
> +}
> diff --git a/boards.cfg b/boards.cfg
> index 5d78064..b6c16b1 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -259,6 +259,7 @@ mx6qarm2                     arm         armv7       mx6qarm2            freesca
>  mx6qsabreauto                arm         armv7       mx6qsabreauto       freescale      mx6            mx6qsabreauto:IMX_CONFIG=board/freescale/mx6qsabreauto/imximage.cfg
>  mx6qsabrelite                arm         armv7       mx6qsabrelite       freescale      mx6            mx6qsabrelite:IMX_CONFIG=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
>  mx6qsabresd                  arm         armv7       mx6qsabresd         freescale      mx6            mx6qsabresd:IMX_CONFIG=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
> +cgtqmx6q                                        arm             armv7           cgtqmx6eval             congatec               mx6             cgtqmx6eval:IMX_CONFIG=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg,MX6Q

I'd name the config:

cgtgmx6qeval
cgtgmx6dleval

Or similar. You seem to use the SOM name as the board config. Seems
confusing for me.

>  eco5pk                       arm         armv7       eco5pk              8dtech         omap3
>  nitrogen6dl                  arm         armv7       nitrogen6x          boundary       mx6            nitrogen6x:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6dl.cfg,MX6DL,DDR_MB=1024
>  nitrogen6dl2g                arm         armv7       nitrogen6x          boundary       mx6            nitrogen6x:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6dl2g.cfg,MX6DL,DDR_MB=2048
> diff --git a/include/configs/cgtqmx6eval.h b/include/configs/cgtqmx6eval.h
> new file mode 100644
> index 0000000..73664bf
> --- /dev/null
> +++ b/include/configs/cgtqmx6eval.h
> @@ -0,0 +1,197 @@
> +/*
> + * cgtqmx6.h
> + *
> + * Congatec Conga-QEVAl board configuration file.
> + *
> + * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
> + * Based on Freescale i.MX6Q Sabre Lite board configuration file.
> + * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com>
> + * Leo Sartre, <lsartre at adeneo-embedded.com>
> + *
> + * 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
> +
> +#define CONFIG_MX6
> +
> +#include "mx6_common.h"
> +
> +#define CONFIG_DISPLAY_CPUINFO
> +#define CONFIG_DISPLAY_BOARDINFO
> +
> +#define CONFIG_MACH_TYPE       4122
> +
> +#include <asm/arch/imx-regs.h>
> +#include <asm/imx-common/gpio.h>
> +
> +#define CONFIG_CMDLINE_TAG
> +#define CONFIG_SETUP_MEMORY_TAGS
> +#define CONFIG_INITRD_TAG
> +#define CONFIG_REVISION_TAG
> +
> +/* Size of malloc() pool */
> +#define CONFIG_SYS_MALLOC_LEN          (10 * 1024 * 1024)
> +
> +#define CONFIG_BOARD_EARLY_INIT_F
> +#define CONFIG_MISC_INIT_R
> +#define CONFIG_MXC_GPIO
> +
> +#define CONFIG_MXC_UART
> +#define CONFIG_MXC_UART_BASE          UART2_BASE
> +
> +/* MMC Configs */
> +#define CONFIG_FSL_ESDHC
> +#define CONFIG_FSL_USDHC
> +#define CONFIG_SYS_FSL_ESDHC_ADDR      0
> +
> +#define CONFIG_MMC
> +#define CONFIG_CMD_MMC
> +#define CONFIG_GENERIC_MMC
> +#define CONFIG_BOUNCE_BUFFER
> +#define CONFIG_CMD_EXT2
> +#define CONFIG_CMD_FAT
> +#define CONFIG_DOS_PARTITION
> +
> +/* Miscellaneous commands */
> +#define CONFIG_CMD_BMODE
> +
> +/* allow to overwrite serial and ethaddr */
> +#define CONFIG_ENV_OVERWRITE
> +#define CONFIG_CONS_INDEX             1
> +#define CONFIG_BAUDRATE                               115200
> +
> +/* Command definition */
> +#include <config_cmd_default.h>
> +
> +#undef CONFIG_CMD_IMLS
> +
> +#define CONFIG_BOOTDELAY              3
> +
> +#define CONFIG_LOADADDR                               0x12000000
> +#define CONFIG_SYS_TEXT_BASE          0x17800000
> +
> +#ifdef CONFIG_MX6Q
> +#define CONFIG_DEFAULT_FDT_FILE "imx6q-congatec.dtb"
> +#endif
> +
> +#define CONFIG_EXTRA_ENV_SETTINGS \
> +       "script=boot.scr\0" \
> +       "uimage=uImage\0" \
> +       "fdt_file=imx6q-congatec.dtb\0" \
> +       "boot_dir=/boot\0" \
> +       "console=ttymxc1\0" \
> +       "fdt_high=0xffffffff\0" \
> +       "initrd_high=0xffffffff\0" \
> +       "fdt_addr=0x11000000\0" \
> +       "boot_fdt=try\0" \
> +       "mmcdev=1\0" \
> +       "mmcpart=1\0" \
> +       "mmcroot=/dev/mmcblk0p1 rootwait rw\0" \
> +       "mmcargs=setenv bootargs console=${console},${baudrate} " \
> +               "root=${mmcroot}\0" \
> +       "loadbootscript=" \
> +               "ext2load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
> +       "bootscript=echo Running bootscript from mmc ...; " \
> +               "source\0" \
> +       "loaduimage=ext2load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${boot_dir}/${uimage}\0" \
> +       "loadfdt=ext2load mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${boot_dir}/${fdt_file}\0" \
> +       "mmcboot=echo Booting from mmc ...; " \
> +               "run mmcargs; " \
> +               "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
> +                       "if run loadfdt; then " \
> +                               "bootm ${loadaddr} - ${fdt_addr}; " \
> +                       "else " \
> +                               "if test ${boot_fdt} = try; then " \
> +                                       "bootm; " \
> +                               "else " \
> +                                       "echo WARN: Cannot load the DT; " \
> +                               "fi; " \
> +                       "fi; " \
> +               "else " \
> +                       "bootm; " \
> +               "fi;\0"
> +
> +#define CONFIG_BOOTCOMMAND \
> +          "mmc dev ${mmcdev};" \
> +          "mmc dev ${mmcdev}; if mmc rescan; then " \
> +                  "if run loadbootscript; then " \
> +                          "run bootscript; " \
> +                  "else " \
> +                          "if run loaduimage; then " \
> +                                  "run mmcboot; " \
> +                          "else "\
> +                                  "echo ERR: Fail to boot from mmc; " \
> +                          "fi; " \
> +                  "fi; " \
> +          "else echo ERR: Fail to boot from mmc; fi"
> +
> +/* Miscellaneous configurable options */
> +#define CONFIG_SYS_LONGHELP
> +#define CONFIG_SYS_HUSH_PARSER
> +#ifdef CONFIG_MX6Q
> +#define CONFIG_SYS_PROMPT             "CGT-QMX6-Quad U-Boot > "
> +#endif
> +#define CONFIG_AUTO_COMPLETE
> +#define CONFIG_SYS_CBSIZE             256
> +
> +/* Print Buffer Size */
> +#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_MEMTEST_START       0x10000000
> +#define CONFIG_SYS_MEMTEST_END        0x10010000
> +#define CONFIG_SYS_MEMTEST_SCRATCH     0x10800000
> +
> +#define CONFIG_SYS_LOAD_ADDR          CONFIG_LOADADDR
> +#define CONFIG_SYS_HZ                 1000
> +
> +#define CONFIG_CMDLINE_EDITING
> +
> +/* Physical Memory Map */
> +#define CONFIG_NR_DRAM_BANKS          1
> +#define PHYS_SDRAM                    MMDC0_ARB_BASE_ADDR
> +#define PHYS_SDRAM_SIZE                               (1u * 1024 * 1024 * 1024)
> +
> +#define CONFIG_SYS_SDRAM_BASE         PHYS_SDRAM
> +#define CONFIG_SYS_INIT_RAM_ADDR       IRAM_BASE_ADDR
> +#define CONFIG_SYS_INIT_RAM_SIZE       IRAM_SIZE
> +
> +#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)
> +
> +/* FLASH and environment organization */
> +#define CONFIG_SYS_NO_FLASH
> +
> +#define CONFIG_ENV_SIZE                        (8 * 1024)
> +
> +#define CONFIG_ENV_IS_IN_MMC
> +
> +#define CONFIG_ENV_OFFSET              (6 * 64 * 1024)
> +#define CONFIG_SYS_MMC_ENV_DEV         0
> +
> +#define CONFIG_OF_LIBFDT
> +#define CONFIG_CMD_BOOTZ
> +
> +#ifndef CONFIG_SYS_DCACHE_OFF
> +#define CONFIG_CMD_CACHE
> +#endif
> +
> +#endif                        /* __CONFIG_H */
> --
> 1.7.10.4
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--
Otavio Salvador                             O.S. Systems
E-mail: otavio at ossystems.com.br  http://www.ossystems.com.br
Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br


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