Peng Fan | f7765d7 | 2017-02-22 16:21:56 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Freescale Semiconductor, Inc. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
| 7 | #include <common.h> |
| 8 | #include <asm/io.h> |
| 9 | #include <asm/arch/sys_proto.h> |
| 10 | #include <asm/arch/mx7ulp-pins.h> |
| 11 | #include <asm/arch/iomux.h> |
| 12 | |
| 13 | DECLARE_GLOBAL_DATA_PTR; |
| 14 | |
| 15 | #define UART_PAD_CTRL (PAD_CTL_PUS_UP) |
| 16 | |
| 17 | int dram_init(void) |
| 18 | { |
| 19 | gd->ram_size = PHYS_SDRAM_SIZE; |
| 20 | |
| 21 | return 0; |
| 22 | } |
| 23 | |
| 24 | static iomux_cfg_t const lpuart4_pads[] = { |
| 25 | MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| 26 | MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| 27 | }; |
| 28 | |
| 29 | static void setup_iomux_uart(void) |
| 30 | { |
| 31 | mx7ulp_iomux_setup_multiple_pads(lpuart4_pads, |
| 32 | ARRAY_SIZE(lpuart4_pads)); |
| 33 | } |
| 34 | |
| 35 | int board_early_init_f(void) |
| 36 | { |
| 37 | setup_iomux_uart(); |
| 38 | |
| 39 | return 0; |
| 40 | } |
| 41 | |
| 42 | int board_init(void) |
| 43 | { |
| 44 | /* address of boot parameters */ |
| 45 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
| 46 | |
| 47 | return 0; |
| 48 | } |