From 7891e258d40bbacd24c1038af53e3c7354c383a6 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Thu, 13 Sep 2012 03:18:20 +0000 Subject: mx6: Add basic support for mx6qsabresd board. mx6qsabresd is a board based on mx6q SoC with the following features: - 1GB of DDR3 - 1 USB OTG port - 1 HDMI output port - SPI NOR - LVDS panel - Gigabit Ethernet - Camera Connector - eMMC and SD card slot - Audio Add very basic support for it. Signed-off-by: Fabio Estevam --- board/freescale/mx6qsabresd/Makefile | 41 +++++++++++ board/freescale/mx6qsabresd/mx6qsabresd.c | 118 ++++++++++++++++++++++++++++++ 2 files changed, 159 insertions(+) create mode 100644 board/freescale/mx6qsabresd/Makefile create mode 100644 board/freescale/mx6qsabresd/mx6qsabresd.c (limited to 'board/freescale/mx6qsabresd') diff --git a/board/freescale/mx6qsabresd/Makefile b/board/freescale/mx6qsabresd/Makefile new file mode 100644 index 0000000..5693772 --- /dev/null +++ b/board/freescale/mx6qsabresd/Makefile @@ -0,0 +1,41 @@ +# +# Copyright (C) 2007, Guennadi Liakhovetski +# +# (C) Copyright 2011 Freescale Semiconductor, Inc. +# +# 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 := mx6qsabresd.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/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c new file mode 100644 index 0000000..c86b51b --- /dev/null +++ b/board/freescale/mx6qsabresd/mx6qsabresd.c @@ -0,0 +1,118 @@ +/* + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +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) + +#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | 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 uart1_pads[] = { + MX6Q_PAD_CSI0_DAT10__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6Q_PAD_CSI0_DAT11__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +iomux_v3_cfg_t usdhc3_pads[] = { + MX6Q_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_NANDF_D0__GPIO_2_0 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +#ifdef CONFIG_FSL_ESDHC +struct fsl_esdhc_cfg usdhc_cfg[1] = { + {USDHC3_BASE_ADDR}, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + gpio_direction_input(IMX_GPIO_NR(2, 0)); + return !gpio_get_value(IMX_GPIO_NR(2, 0)); +} + +int board_mmc_init(bd_t *bis) +{ + imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} +#endif + +u32 get_board_rev(void) +{ + return 0x63000; +} + +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: MX6Q-SabreSD\n"); + + return 0; +} -- cgit v1.1