| Gregory CLEMENT | dc253e2 | 2018-12-14 16:16:50 +0100 | [diff] [blame^] | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| 2 | /* |
| 3 | * Copyright (c) 2018 Microsemi Corporation |
| 4 | */ |
| 5 | |
| 6 | #include <common.h> |
| 7 | #include <asm/io.h> |
| 8 | |
| 9 | #define MSCC_GPIO_ALT0 0x88 |
| 10 | #define MSCC_GPIO_ALT1 0x8C |
| 11 | |
| 12 | DECLARE_GLOBAL_DATA_PTR; |
| 13 | |
| 14 | void board_debug_uart_init(void) |
| 15 | { |
| 16 | /* too early for the pinctrl driver, so configure the UART pins here */ |
| 17 | setbits_le32(BASE_DEVCPU_GCB + MSCC_GPIO_ALT0, BIT(30) | BIT(31)); |
| 18 | } |
| 19 | |
| 20 | int board_early_init_r(void) |
| 21 | { |
| 22 | /* Prepare SPI controller to be used in master mode */ |
| 23 | writel(0, BASE_CFG + ICPU_SW_MODE); |
| 24 | |
| 25 | /* Address of boot parameters */ |
| 26 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE; |
| 27 | return 0; |
| 28 | } |