// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2016 Rockchip Electronics Co., Ltd */ #include #include #include #include #define GRF_BASE 0x20008000 const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = { [BROM_BOOTSOURCE_EMMC] = "/mmc@1021c000", [BROM_BOOTSOURCE_SD] = "/mmc@10214000", }; void board_debug_uart_init(void) { struct rk3066_grf * const grf = (void *)GRF_BASE; /* Enable early UART on the RK3066 */ rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B1_MASK | GPIO1B0_MASK, GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT | GPIO1B0_UART2_SIN << GPIO1B0_SHIFT); } void spl_board_init(void) { if (!IS_ENABLED(CONFIG_SPL_BUILD)) return; if (IS_ENABLED(CONFIG_SPL_DM_MMC)) { struct rk3066_grf * const grf = (void *)GRF_BASE; rk_clrsetreg(&grf->gpio3b_iomux, GPIO3B0_MASK | GPIO3B1_MASK | GPIO3B2_MASK | GPIO3B3_MASK | GPIO3B4_MASK | GPIO3B5_MASK | GPIO3B6_MASK, GPIO3B0_SDMMC0_CLKOUT << GPIO3B0_SHIFT | GPIO3B1_SDMMC0_CMD << GPIO3B1_SHIFT | GPIO3B2_SDMMC0_DATA0 << GPIO3B2_SHIFT | GPIO3B3_SDMMC0_DATA1 << GPIO3B3_SHIFT | GPIO3B4_SDMMC0_DATA2 << GPIO3B4_SHIFT | GPIO3B5_SDMMC0_DATA3 << GPIO3B5_SHIFT | GPIO3B6_SDMMC0_DECTN << GPIO3B6_SHIFT); } }