diff options
author | Fabio Estevam <festevam@gmail.com> | 2019-12-09 10:43:03 -0300 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2020-01-07 10:26:56 +0100 |
commit | 0417ef17ac1d164f09d12cab0b8e3da03ffb5da3 (patch) | |
tree | 8fc40dc11c2d6d4355d37e2712d7d4129fb43994 /board/ea/mx7ulp_com/mx7ulp_com.c | |
parent | 97c42757717f8de780de41857db15d1ba47e9e44 (diff) |
mx7ulp: Add support for Embedded Artists COM board
The Embedded Artists COM board is based on NXP i.MX7ULP.
It has a BD70528 PMIC from Rohm with discrete DCDC powering option and
improved current observability (compared to the existing NXP i.MX7ULP EVK).
Add the initial support for the board.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Diffstat (limited to 'board/ea/mx7ulp_com/mx7ulp_com.c')
-rw-r--r-- | board/ea/mx7ulp_com/mx7ulp_com.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/board/ea/mx7ulp_com/mx7ulp_com.c b/board/ea/mx7ulp_com/mx7ulp_com.c new file mode 100644 index 0000000000..6fc1631bf7 --- /dev/null +++ b/board/ea/mx7ulp_com/mx7ulp_com.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/mx7ulp-pins.h> +#include <asm/arch/iomux.h> +#include <asm/gpio.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PUS_UP) + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +static iomux_cfg_t const lpuart4_pads[] = { + MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + mx7ulp_iomux_setup_multiple_pads(lpuart4_pads, + ARRAY_SIZE(lpuart4_pads)); +} + +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; +} |