[U-Boot] [PATCH 4/4] mx5: Add support for DENX M53EVK

Benoît Thébaudeau
2013-02-25T19:33:44Z

Dear Marek Vasut,

On Monday, February 25, 2013 7:24:07 PM, Marek Vasut wrote:
> Add basic support for the DENX M53EVK board. Currently supported is
> the MMC, Ethernet, I2C.
>
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Andreas Widder <aw@denx.de>
> Cc: Beno?t Th?baudeau <benoit.thebaudeau@advansee.com>
> Cc: Fabio Estevam <fabio.estevam@freescale.com>
> Cc: Stefano Babic <sbabic@denx.de>
> Cc: Wolfgang Denk <wd@denx.de>
> ---
> board/denx/m53evk/Makefile | 40 ++++
> board/denx/m53evk/imximage.cfg | 108 +++++++++++
> board/denx/m53evk/m53evk.c | 404
> ++++++++++++++++++++++++++++++++++++++++
> boards.cfg | 1 +
> include/configs/m53evk.h | 226 ++++++++++++++++++++++
> 5 files changed, 779 insertions(+)
> create mode 100644 board/denx/m53evk/Makefile
> create mode 100644 board/denx/m53evk/imximage.cfg
> create mode 100644 board/denx/m53evk/m53evk.c
> create mode 100644 include/configs/m53evk.h
>
> diff --git a/board/denx/m53evk/Makefile b/board/denx/m53evk/Makefile
> new file mode 100644
> index 0000000..bfb040a
> --- /dev/null
> +++ b/board/denx/m53evk/Makefile
> @@ -0,0 +1,40 @@
> +#
> +# DENX M53EVK
> +# Copyright (C) 2012-2013 Marek Vasut <marex@denx.de>
> +#
> +# 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 := m53evk.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/denx/m53evk/imximage.cfg b/board/denx/m53evk/imximage.cfg
> new file mode 100644
> index 0000000..3d60de0
> --- /dev/null
> +++ b/board/denx/m53evk/imximage.cfg
> @@ -0,0 +1,108 @@
> +/*
> + * DENX M53 DRAM init values
> + * Copyright (C) 2012-2013 Marek Vasut <marex@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. 51 Franklin Street Fifth Floor Boston,
> + * MA 02110-1301 USA
> + *
> + * Refer docs/README.imxmage for more details about how-to configure
> + * and create imximage boot image
> + *
> + * The syntax is taken as close as possible with the kwbimage
> + */
> +/* image version */
> +IMAGE_VERSION 2
> +
> +/*
> + * Boot Device : one of
> + * spi, sd, nand
> + */
> +BOOT_FROM nand
> +
> +/*
> + * Device Configuration Data (DCD)
> + *
> + * Each entry must have the format:
> + * Addr-type Address Value
> + *
> + * where:
> + * Addr-type register length (1,2 or 4 bytes)
> + * Address absolute address of the register
> + * value value to be stored in the register
> + */
> +DATA 4 0x53fa86f4 0x00000000 /* GRP_DDRMODE_CTL */
> +DATA 4 0x53fa8714 0x00000000 /* GRP_DDRMODE */
> +DATA 4 0x53fa86fc 0x00000000 /* GRP_DDRPKE */
> +DATA 4 0x53fa8724 0x04000000 /* GRP_DDR_TYPE */
> +
> +DATA 4 0x53fa872c 0x00300000 /* GRP_B3DS */
> +DATA 4 0x53fa8554 0x00300000 /* DRAM_DQM3 */
> +DATA 4 0x53fa8558 0x00300040 /* DRAM_SDQS3 */
> +
> +DATA 4 0x53fa8728 0x00300000 /* GRP_B2DS */
> +DATA 4 0x53fa8560 0x00300000 /* DRAM_DQM2 */
> +DATA 4 0x53fa8568 0x00300040 /* DRAM_SDQS2 */
> +
> +DATA 4 0x53fa871c 0x00300000 /* GRP_B1DS */
> +DATA 4 0x53fa8594 0x00300000 /* DRAM_DQM1 */
> +DATA 4 0x53fa8590 0x00300040 /* DRAM_SDQS1 */
> +
> +DATA 4 0x53fa8718 0x00300000 /* GRP_B0DS */
> +DATA 4 0x53fa8584 0x00300000 /* DRAM_DQM0 */
> +DATA 4 0x53fa857c 0x00300040 /* DRAM_SDQS0 */
> +
> +DATA 4 0x53fa8578 0x00300000 /* DRAM_SDCLK_0 */
> +DATA 4 0x53fa8570 0x00300000 /* DRAM_SDCLK_1 */
> +
> +DATA 4 0x53fa8574 0x00300000 /* DRAM_CAS */
> +DATA 4 0x53fa8588 0x00300000 /* DRAM_RAS */
> +DATA 4 0x53fa86f0 0x00300000 /* GRP_ADDDS */
> +DATA 4 0x53fa8720 0x00300000 /* GRP_CTLDS */
> +
> +DATA 4 0x53fa8564 0x00300040 /* DRAM_SDODT1 */
> +DATA 4 0x53fa8580 0x00300040 /* DRAM_SDODT0 */
> +
> +/* ESDCTL */
> +DATA 4 0x63fd9088 0x32383535
> +DATA 4 0x63fd9090 0x40383538
> +DATA 4 0x63fd907c 0x0136014d
> +DATA 4 0x63fd9080 0x01510141
> +
> +DATA 4 0x63fd9018 0x00011740
> +DATA 4 0x63fd9000 0xc3190000
> +DATA 4 0x63fd900c 0x555952e3
> +DATA 4 0x63fd9010 0xb68e8b63
> +DATA 4 0x63fd9014 0x01ff00db
> +DATA 4 0x63fd902c 0x000026d2
> +DATA 4 0x63fd9030 0x009f0e21
> +DATA 4 0x63fd9008 0x12273030
> +DATA 4 0x63fd9004 0x0002002d
> +DATA 4 0x63fd901c 0x00008032
> +DATA 4 0x63fd901c 0x00008033
> +DATA 4 0x63fd901c 0x00028031
> +DATA 4 0x63fd901c 0x092080b0
> +DATA 4 0x63fd901c 0x04008040
> +DATA 4 0x63fd901c 0x0000803a
> +DATA 4 0x63fd901c 0x0000803b
> +DATA 4 0x63fd901c 0x00028039
> +DATA 4 0x63fd901c 0x09208138
> +DATA 4 0x63fd901c 0x04008048
> +DATA 4 0x63fd9020 0x00001800
> +DATA 4 0x63fd9040 0x04b80003
> +DATA 4 0x63fd9058 0x00022227
> +DATA 4 0x63fd901c 0x00000000
> diff --git a/board/denx/m53evk/m53evk.c b/board/denx/m53evk/m53evk.c
> new file mode 100644
> index 0000000..241c13f
> --- /dev/null
> +++ b/board/denx/m53evk/m53evk.c
> @@ -0,0 +1,404 @@
> +/*
> + * DENX M53 module
> + *
> + * Copyright (C) 2012-2013 Marek Vasut <marex@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 <asm/io.h>
> +#include <asm/arch/imx-regs.h>
> +#include <asm/arch/mx5x_pins.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/arch/crm_regs.h>
> +#include <asm/arch/clock.h>
> +#include <asm/arch/iomux.h>
> +#include <asm/arch/clock.h>
> +#include <asm/errno.h>
> +#include <netdev.h>
> +#include <i2c.h>
> +#include <mmc.h>
> +#include <fsl_esdhc.h>
> +#include <asm/gpio.h>
> +#include <usb/ehci-fsl.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +int dram_init(void)
> +{
> + u32 size1, size2;
> +
> + size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
> + size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
> +
> + gd->ram_size = size1 + size2;
> +
> + return 0;
> +}
> +void dram_init_banksize(void)
> +{
> + gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
> + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
> +
> + gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
> + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
> +}
> +
> +u32 get_board_rev(void)
> +{
> + struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
> + struct fuse_bank *bank = &iim->bank[0];
> + struct fuse_bank0_regs *fuse =
> + (struct fuse_bank0_regs *)bank->fuse_regs;
> + int rev = readl(&fuse->gp[6]);
> +
> + return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
> +}
> +
> +static void setup_iomux_uart(void)
> +{
> + mxc_request_iomux(MX53_PIN_ATA_BUFFER_EN, IOMUX_CONFIG_ALT3);
> + mxc_request_iomux(MX53_PIN_ATA_DMARQ, IOMUX_CONFIG_ALT3);
> +
> + mxc_iomux_set_pad(MX53_PIN_ATA_BUFFER_EN,
> + PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_HYS_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DMARQ,
> + PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_HYS_ENABLE);
> +
> + mxc_iomux_set_input(MX53_UART2_IPP_UART_RXD_MUX_SELECT_INPUT, 0x3);
> +}
> +
> +#ifdef CONFIG_USB_EHCI_MX5
> +int board_ehci_hcd_init(int port)
> +{
> + if (port == 0) {
> + /* USB OTG PWRON */
> + mxc_request_iomux(MX53_PIN_GPIO_4, IOMUX_CONFIG_ALT1);
> + mxc_iomux_set_pad(MX53_PIN_GPIO_4,
> + PAD_CTL_PKE_ENABLE |
> + PAD_CTL_100K_PD |
> + PAD_CTL_DRV_HIGH
> + );
> + gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_4), 0);
> +
> + /* USB OTG Over Current */
> + mxc_request_iomux(MX53_PIN_GPIO_18, IOMUX_CONFIG_ALT1);
> + mxc_iomux_set_input(MX53_USBOH3_IPP_IND_OTG_OC_SELECT_INPUT, 1);
> + } else if (port == 1) {
> + /* USB Host PWRON */
> + mxc_request_iomux(MX53_PIN_GPIO_2, IOMUX_CONFIG_ALT1);
> + mxc_iomux_set_pad(MX53_PIN_GPIO_2,
> + PAD_CTL_PKE_ENABLE |
> + PAD_CTL_100K_PD |
> + PAD_CTL_DRV_HIGH
> + );
> + gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_2), 0);
> +
> + /* USB Host Over Current */
> + mxc_request_iomux(MX53_PIN_GPIO_3, IOMUX_CONFIG_ALT6);
> + mxc_iomux_set_input(MX53_USBOH3_IPP_IND_UH1_OC_SELECT_INPUT, 1);
> + }
> +
> + return 0;
> +}
> +#endif
> +
> +static void setup_iomux_fec(void)
> +{
> + /* MDIO IOMUX */
> + mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
> +
> + /* FEC 0 IOMUX */
> + mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
> +
> + /* FEC 1 IOMUX */
> + mxc_request_iomux(MX53_PIN_KEY_COL0, IOMUX_CONFIG_ALT6); /* RXD3 */
> + mxc_request_iomux(MX53_PIN_KEY_ROW0, IOMUX_CONFIG_ALT6); /* TX_ER */
> + mxc_request_iomux(MX53_PIN_KEY_COL1, IOMUX_CONFIG_ALT6); /* RX_CLK */
> + mxc_request_iomux(MX53_PIN_KEY_ROW1, IOMUX_CONFIG_ALT6); /* COL */
> + mxc_request_iomux(MX53_PIN_KEY_COL2, IOMUX_CONFIG_ALT6); /* RXD2 */
> + mxc_request_iomux(MX53_PIN_KEY_ROW2, IOMUX_CONFIG_ALT6); /* TXD2 */
> + mxc_request_iomux(MX53_PIN_KEY_COL3, IOMUX_CONFIG_ALT6); /* CRS */
> + mxc_request_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT6); /* TXD3 */
> +
> + /* MDIO PADs */
> + mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_22K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
> + mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1);
> + mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH);
> +
> + /* FEC 0 PADs */
> + mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_FEC_RXD0,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_FEC_RXD1,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH);
> +
> + /* FEC 1 PADs */
> + mxc_iomux_set_pad(MX53_PIN_KEY_COL0, /* RXD3 */
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_KEY_ROW0, /* TX_ER */
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_KEY_COL1, /* RX_CLK */
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_KEY_ROW1, /* COL */
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_KEY_COL2, /* RXD2 */
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_KEY_ROW2, /* TXD2 */
> + PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_KEY_COL3, /* CRS */
> + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_GPIO_19, /* TXD3 */
> + PAD_CTL_DRV_HIGH);
> +}
> +
> +#ifdef CONFIG_FSL_ESDHC
> +struct fsl_esdhc_cfg esdhc_cfg = {
> + MMC_SDHC1_BASE_ADDR,
> +};
> +
> +int board_mmc_getcd(struct mmc *mmc)
> +{
> + mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
> + gpio_direction_input(IMX_GPIO_NR(1, 1));
> +
> + return !gpio_get_value(IMX_GPIO_NR(1, 1));
> +}
> +
> +int board_mmc_init(bd_t *bis)
> +{
> + esdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
> +
> + mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_SD1_DATA0,
> + IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_SD1_DATA1,
> + IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_SD1_DATA2,
> + IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_SD1_DATA3,
> + IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_EIM_DA13,
> + IOMUX_CONFIG_ALT1);
> +
> + mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
> + mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
> + PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
> + mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
> + mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
> + mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
> + PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
> + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
> +
> + /* GPIO 2_31 is SD power */
> + mxc_request_iomux(MX53_PIN_EIM_EB3, IOMUX_CONFIG_ALT1);
> + gpio_direction_output(IMX_GPIO_NR(2, 31), 0);
> +
> + return fsl_esdhc_initialize(bis, &esdhc_cfg);
> +}
> +#endif
> +
> +static void setup_iomux_i2c(void)
> +{
> + mxc_request_iomux(MX53_PIN_EIM_D16,
> + IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
> + mxc_request_iomux(MX53_PIN_EIM_EB2,
> + IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
> +
> + mxc_iomux_set_pad(MX53_PIN_EIM_D16,
> + PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_PUE_PULL |
> + PAD_CTL_ODE_OPENDRAIN_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_EIM_EB2,
> + PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
> + PAD_CTL_PUE_PULL |
> + PAD_CTL_ODE_OPENDRAIN_ENABLE);
> +
> + mxc_iomux_set_input(MX53_I2C2_IPP_SDA_IN_SELECT_INPUT, 0x1);
> + mxc_iomux_set_input(MX53_I2C2_IPP_SCL_IN_SELECT_INPUT, 0x1);
> +}
> +
> +static void setup_iomux_nand(void)
> +{
> + mxc_request_iomux(MX53_PIN_NANDF_WE_B, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_NANDF_RE_B, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_NANDF_CLE, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_NANDF_ALE, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_NANDF_WP_B, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_NANDF_RB0, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_NANDF_CS0, IOMUX_CONFIG_ALT0);
> + mxc_request_iomux(MX53_PIN_ATA_DATA0, IOMUX_CONFIG_ALT3);
> + mxc_request_iomux(MX53_PIN_ATA_DATA1, IOMUX_CONFIG_ALT3);
> + mxc_request_iomux(MX53_PIN_ATA_DATA2, IOMUX_CONFIG_ALT3);
> + mxc_request_iomux(MX53_PIN_ATA_DATA3, IOMUX_CONFIG_ALT3);
> + mxc_request_iomux(MX53_PIN_ATA_DATA4, IOMUX_CONFIG_ALT3);
> + mxc_request_iomux(MX53_PIN_ATA_DATA5, IOMUX_CONFIG_ALT3);
> + mxc_request_iomux(MX53_PIN_ATA_DATA6, IOMUX_CONFIG_ALT3);
> + mxc_request_iomux(MX53_PIN_ATA_DATA7, IOMUX_CONFIG_ALT3);
> +
> + mxc_iomux_set_pad(MX53_PIN_NANDF_WE_B, PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_NANDF_RE_B, PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_NANDF_CLE, PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_NANDF_ALE, PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_NANDF_WP_B, PAD_CTL_PUE_PULL |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_NANDF_RB0, PAD_CTL_PUE_PULL |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_NANDF_CS0, PAD_CTL_DRV_HIGH);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DATA0, PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DATA1, PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DATA2, PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DATA3, PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DATA4, PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DATA5, PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DATA6, PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> + mxc_iomux_set_pad(MX53_PIN_ATA_DATA7, PAD_CTL_DRV_HIGH |
> + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE);
> +}
> +
> +static void m53_set_clock(uint32_t cpuclk, uint32_t dramclk)
> +{
> + int ret;
> + const uint32_t ref_clk = MXC_HCLK;
> +
> + ret = mxc_set_clock(ref_clk, cpuclk, MXC_ARM_CLK);
> + if (ret)
> + printf("CPU: Switch CPU clock to %dMHz failed\n", cpuclk);
> +
> + ret = mxc_set_clock(ref_clk, dramclk, MXC_PERIPH_CLK);
> + if (ret) {
> + printf("CPU: Switch peripheral clock to %dMHz failed\n",
> + dramclk);
> + }
> +
> + ret = mxc_set_clock(ref_clk, dramclk, MXC_DDR_CLK);
> + if (ret)
> + printf("CPU: Switch DDR clock to %dMHz failed\n", dramclk);
> +}
> +
> +int board_early_init_f(void)
> +{
> + setup_iomux_uart();
> + setup_iomux_fec();
> + setup_iomux_i2c();
> + setup_iomux_nand();
> +
> + return 0;
> +}
> +
> +int print_cpuinfo(void)
> +{
> + u32 cpurev;
> +
> + cpurev = get_cpu_rev();
> + printf("CPU: Freescale i.MX%x family rev%d.%d at %d MHz\n",
> + (cpurev & 0xFF000) >> 12,
> + (cpurev & 0x000F0) >> 4,
> + (cpurev & 0x0000F) >> 0,
> + mxc_get_clock(MXC_ARM_CLK) / 1000000);
> + printf("Reset cause: %s\n", get_reset_cause());
> + return 0;
> +}
> +
> +/*
> + * Do not overwrite the console
> + * Use always serial for U-Boot console
> + */
> +int overwrite_console(void)
> +{
> + return 1;
> +}
> +
> +int board_init(void)
> +{
> + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
> +
> + m53_set_clock(800, 400);
> +
> + mxc_set_sata_internal_clock();
> +
> + mxc_set_clock(0, 33, MXC_NFC_CLK);
> + enable_nfc_clk(1);
> +
> + return 0;
> +}
> +
> +int board_late_init(void)
> +{
> + print_cpuinfo();
> +
> + return 0;
> +}
> +
> +int checkboard(void)
> +{
> + puts("Board: DENX M53EVK\n");
> +
> + return 0;
> +}
> diff --git a/boards.cfg b/boards.cfg
> index 7d03620..db0d370 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -239,6 +239,7 @@ am335x_evm_uart3 arm armv7
> am335x ti
> am335x_evm_uart4 arm armv7 am335x ti
> am33xx am335x_evm:SERIAL5,CONS_INDEX=5
> am335x_evm_uart5 arm armv7 am335x ti
> am33xx am335x_evm:SERIAL6,CONS_INDEX=6
> highbank arm armv7 highbank -
> highbank
> +m53evk arm armv7 m53evk
> denx mx5 m53evk:IMX_CONFIG=board/denx/m53evk/imximage.cfg
> mx51_efikamx arm armv7 mx51_efikamx
> genesi mx5
> mx51_efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKAMX,IMX_CONFIG=board/genesi/mx51_efikamx/imximage_mx.cfg
> mx51_efikasb arm armv7 mx51_efikamx
> genesi mx5
> mx51_efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKASB,IMX_CONFIG=board/genesi/mx51_efikamx/imximage_sb.cfg
> mx51evk arm armv7 mx51evk
> freescale mx5
> mx51evk:IMX_CONFIG=board/freescale/mx51evk/imximage.cfg
> diff --git a/include/configs/m53evk.h b/include/configs/m53evk.h
> new file mode 100644
> index 0000000..228d5df
> --- /dev/null
> +++ b/include/configs/m53evk.h
> @@ -0,0 +1,226 @@
> +/*
> + * DENX M53 configuration
> + * Copyright (C) 2012-2013 Marek Vasut <marex@denx.de>
> + *
> + * 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 __M53EVK_CONFIG_H__
> +#define __M53EVK_CONFIG_H__
> +
> +#define CONFIG_MX53
> +#define CONFIG_MXC_GPIO
> +#define CONFIG_SYS_HZ 1000
> +
> +#include <asm/arch/imx-regs.h>
> +
> +#define CONFIG_BOARD_LATE_INIT
> +#define CONFIG_BOARD_EARLY_INIT_F
> +#define CONFIG_REVISION_TAG
> +#define CONFIG_SYS_NO_FLASH
> +
> +/*
> + * U-Boot Commands
> + */
> +#include <config_cmd_default.h>
> +#define CONFIG_DISPLAY_BOARDINFO
> +#define CONFIG_DOS_PARTITION
> +
> +#define CONFIG_CMD_DHCP
> +#define CONFIG_CMD_EXT2
> +#define CONFIG_CMD_FAT
> +#define CONFIG_CMD_FAT
> +#define CONFIG_CMD_I2C
> +#define CONFIG_CMD_MII
> +#define CONFIG_CMD_MMC
> +#define CONFIG_CMD_NAND
> +#define CONFIG_CMD_NET
> +#define CONFIG_CMD_PING
> +#define CONFIG_CMD_SATA
> +#define CONFIG_CMD_USB
> +
> +/*
> + * Memory configurations
> + */
> +#define CONFIG_NR_DRAM_BANKS 2
> +#define PHYS_SDRAM_1 CSD0_BASE_ADDR
> +#define PHYS_SDRAM_1_SIZE (512 * 1024 * 1024)
> +#define PHYS_SDRAM_2 CSD1_BASE_ADDR
> +#define PHYS_SDRAM_2_SIZE (512 * 1024 * 1024)
> +#define PHYS_SDRAM_SIZE (PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE)
> +#define CONFIG_SYS_MALLOC_LEN (10 * 1024 * 1024)
> +#define CONFIG_SYS_MEMTEST_START 0x70010000
> +#define CONFIG_SYS_MEMTEST_END 0x70020000
> +
> +#define CONFIG_SYS_SDRAM_BASE (PHYS_SDRAM_1)
> +#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)
> +
> +#define CONFIG_SYS_TEXT_BASE 0x77800000
> +
> +/*
> + * U-Boot general configurations
> + */
> +#define CONFIG_SYS_LONGHELP
> +#define CONFIG_SYS_PROMPT "=> "
> +#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
> +
> +/*
> + * Serial Driver
> + */
> +#define CONFIG_MXC_UART
> +#define CONFIG_MXC_UART_BASE UART2_BASE
> +#define CONFIG_CONS_INDEX 1
> +#define CONFIG_BAUDRATE 115200
> +
> +/*
> + * MMC Driver
> + */
> +#ifdef CONFIG_CMD_MMC
> +#define CONFIG_MMC
> +#define CONFIG_GENERIC_MMC
> +#define CONFIG_FSL_ESDHC
> +#define CONFIG_SYS_FSL_ESDHC_ADDR 0
> +#define CONFIG_SYS_FSL_ESDHC_NUM 1
> +#endif
> +
> +/*
> + * NAND
> + */
> +#define CONFIG_ENV_SIZE (16 * 1024)
> +#ifdef CONFIG_CMD_NAND
> +#define CONFIG_SYS_MAX_NAND_DEVICE 1
> +#define CONFIG_SYS_NAND_BASE NFC_BASE_ADDR_AXI
> +#define CONFIG_NAND_MXC
> +#define CONFIG_MXC_NAND_REGS_BASE NFC_BASE_ADDR_AXI
> +#define CONFIG_MXC_NAND_IP_REGS_BASE NFC_BASE_ADDR
> +#define CONFIG_SYS_NAND_LARGEPAGE
> +#define CONFIG_MXC_NAND_HWECC
> +#define CONFIG_SYS_NAND_USE_FLASH_BBT
> +
> +/* Environment is in NAND */
> +#define CONFIG_ENV_IS_IN_NAND
> +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
> +#define CONFIG_ENV_SECT_SIZE (128 * 1024)
> +#define CONFIG_ENV_RANGE (512 * 1024)
> +#define CONFIG_ENV_OFFSET 0x100000
> +#define CONFIG_ENV_OFFSET_REDUND \
> + (CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)
> +
> +#define CONFIG_CMD_UBI
> +#define CONFIG_CMD_UBIFS
> +#define CONFIG_CMD_MTDPARTS
> +#define CONFIG_RBTREE
> +#define CONFIG_LZO
> +#define CONFIG_MTD_DEVICE
> +#define CONFIG_MTD_PARTITIONS
> +#define MTDIDS_DEFAULT "nand0=mxc-nand"
> +#define MTDPARTS_DEFAULT \
> + "mtdparts=mxc-nand:" \
> + "1m(bootloader)ro," \
> + "512k(environment)," \
> + "512k(redundant-environment)," \
> + "4m(kernel)," \
> + "128k(fdt)," \
> + "8m(ramdisk)," \
> + "-(filesystem)"
> +#else
> +#define CONFIG_ENV_IS_NOWHERE
> +#endif
> +
> +/*
> + * Ethernet on SOC (FEC)
> + */
> +#ifdef CONFIG_CMD_NET
> +#define CONFIG_FEC_MXC
> +#define CONFIG_ETHPRIME "FEC0"
> +#define IMX_FEC_BASE FEC_BASE_ADDR
> +#define CONFIG_FEC_MXC_PHYADDR 0x0
> +#define CONFIG_MII
> +#define CONFIG_DISCOVER_PHY
> +#define CONFIG_FEC_XCV_TYPE RMII
> +#define CONFIG_PHYLIB
> +#define CONFIG_PHY_MICREL
> +#define CONFIG_ARP_TIMEOUT 200UL
> +#endif
> +
> +/*
> + * I2C
> + */
> +#ifdef CONFIG_CMD_I2C
> +#define CONFIG_HARD_I2C
> +#define CONFIG_I2C_MXC
> +#define CONFIG_SYS_I2C_BASE I2C2_BASE_ADDR
> +#define CONFIG_SYS_I2C_SPEED 100000
> +#endif
> +
> +/*
> + * USB
> + */
> +#ifdef CONFIG_CMD_USB
> +#define CONFIG_USB_EHCI
> +#define CONFIG_USB_EHCI_MX5
> +#define CONFIG_USB_STORAGE
> +#define CONFIG_USB_HOST_ETHER
> +#define CONFIG_USB_ETHER_ASIX
> +#define CONFIG_USB_ETHER_SMSC95XX
> +#define CONFIG_MXC_USB_PORT 1
> +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
> +#define CONFIG_MXC_USB_FLAGS 0
> +#endif
> +
> +/*
> + * SATA
> + */
> +#ifdef CONFIG_CMD_SATA
> +#define CONFIG_DWC_AHSATA
> +#define CONFIG_SYS_SATA_MAX_DEVICE 1
> +#define CONFIG_DWC_AHSATA_PORT_ID 0
> +#define CONFIG_DWC_AHSATA_BASE_ADDR SATA_BASE_ADDR
> +#define CONFIG_LBA48
> +#define CONFIG_LIBATA
> +#endif
> +
> +/*
> + * Boot Linux
> + */
> +#define CONFIG_CMDLINE_TAG
> +#define CONFIG_INITRD_TAG
> +#define CONFIG_SETUP_MEMORY_TAGS
> +#define CONFIG_BOOTDELAY 3
> +#define CONFIG_BOOTFILE "uImage"
> +#define CONFIG_BOOTARGS "console=ttymxc1,115200"
> +#define CONFIG_BOOTCOMMAND "run bootcmd_net"
> +#define CONFIG_LOADADDR 0x70800000
> +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
> +#define CONFIG_OF_LIBFDT
> +
> +#endif /* __M53EVK_CONFIG_H__ */
> --
> 1.7.10.4
>
>

Looks good, but I don't know the hardware details of this board.

The MAINTAINERS file should be updated.

Best regards,
Beno?t