diff options
Diffstat (limited to 'board/congatec')
| -rw-r--r-- | board/congatec/cgtqmx6eval/Makefile | 42 | ||||
| -rw-r--r-- | board/congatec/cgtqmx6eval/README | 29 | ||||
| -rw-r--r-- | board/congatec/cgtqmx6eval/cgtqmx6eval.c | 167 | 
3 files changed, 238 insertions, 0 deletions
| diff --git a/board/congatec/cgtqmx6eval/Makefile b/board/congatec/cgtqmx6eval/Makefile new file mode 100644 index 000000000..ac16c1fe3 --- /dev/null +++ b/board/congatec/cgtqmx6eval/Makefile @@ -0,0 +1,42 @@ +# +# Copyright (C) 2007, Guennadi Liakhovetski <lg@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 000000000..bbf0f75a4 --- /dev/null +++ b/board/congatec/cgtqmx6eval/README @@ -0,0 +1,29 @@ +U-Boot for the Congatec Conga-QEVAl Evaluation Carrier board with +qmx6 quad module. + +This file contains information for the port of U-Boot to the Congatec +Conga-QEVAl Evaluation Carrier board with qmx6 quad module. + +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 000000000..f70f674b2 --- /dev/null +++ b/board/congatec/cgtqmx6eval/cgtqmx6eval.c @@ -0,0 +1,167 @@ +/* + * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. + * Based on mx6qsabrelite.c file + * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com> + * Leo Sartre, <lsartre@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_PUS_100K_UP | PAD_CTL_SPEED_MED |\ +	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (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 = 0; + +	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) +{ +	/* address of boot parameters */ +	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +	return 0; +} + +int checkboard(void) +{ +	puts("Board: Conga-QEVAL QMX6 Quad\n"); + +	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; +} |