diff options
Diffstat (limited to 'board/congatec/cgtqmx6eval/cgtqmx6eval.c')
| -rw-r--r-- | board/congatec/cgtqmx6eval/cgtqmx6eval.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/board/congatec/cgtqmx6eval/cgtqmx6eval.c b/board/congatec/cgtqmx6eval/cgtqmx6eval.c new file mode 100644 index 0000000..f70f674 --- /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; +} |