| // SPDX-License-Identifier: GPL-2.0+ |
| * Copyright (c) 2023 Chris Morgan <macromorgan@hotmail.com> |
| #define GPIO4_BASE 0xfe770000 |
| #define GPIO_SWPORT_DR_L 0x0000 |
| #define GPIO_SWPORT_DDR_L 0x0008 |
| #define GPIO_WRITEMASK(bits) ((bits) << 16) |
| * Start LED very early so user knows device is on. Set color |
| void spl_board_init(void) |
| /* Set GPIO4_B4, GPIO4_B5, and GPIO4_B6 to output. */ |
| writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | \ |
| (GPIO_B6 | GPIO_B5 | GPIO_B4), |
| (GPIO4_BASE + GPIO_SWPORT_DDR_L)); |
| /* Set GPIO4_B5 and GPIO4_B6 to 0 and GPIO4_B4 to 1. */ |
| writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | GPIO_B4, |
| (GPIO4_BASE + GPIO_SWPORT_DR_L)); |
| int rk_board_late_init(void) |
| /* Turn off red LED and turn on orange LED. */ |
| writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | GPIO_B6, |
| (GPIO4_BASE + GPIO_SWPORT_DR_L)); |