// SPDX-License-Identifier: GPL-2.0+ #include #include #include #include "sl28.h" DECLARE_GLOBAL_DATA_PTR; u32 get_lpuart_clk(void) { return gd->bus_clk / CONFIG_SYS_FSL_LPUART_CLK_DIV; } enum boot_source sl28_boot_source(void) { u32 rcw_src = in_le32(DCFG_BASE + DCFG_PORSR1) & DCFG_PORSR1_RCW_SRC; switch (rcw_src) { case DCFG_PORSR1_RCW_SRC_SDHC1: return BOOT_SOURCE_SDHC; case DCFG_PORSR1_RCW_SRC_SDHC2: return BOOT_SOURCE_MMC; case DCFG_PORSR1_RCW_SRC_I2C: return BOOT_SOURCE_I2C; case DCFG_PORSR1_RCW_SRC_FSPI_NOR: return BOOT_SOURCE_SPI; default: debug("unknown bootsource (%08x)\n", rcw_src); return BOOT_SOURCE_UNKNOWN; } }