| * Copyright (C) 2013 Stefan Roese <sr@denx.de> |
| * SPDX-License-Identifier: GPL-2.0+ |
| * Return selected boot device. On PPC4xx its only NOR flash right now. |
| u32 spl_boot_device(void) |
| * SPL version of board_init_f() |
| void board_init_f(ulong bootflag) |
| * First we need to initialize the SDRAM, so that the real |
| * U-Boot or the OS (Linux) can be loaded |
| memset(__bss_start, '\0', __bss_end - __bss_start); |
| * Init global_data pointer. Has to be done before calling |
| * get_clocks(), as it stores some clock values into gd needed |
| * later on in the serial driver. |
| /* Pointer is writable since we allocated a register for it */ |
| gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
| /* Clear initial global data */ |
| memset((void *)gd, 0, sizeof(gd_t)); |
| * get_clocks() needs to be called so that the serial driver |
| * Do rudimental console / serial setup |
| preloader_console_init(); |
| * Call board_init_r() (SPL framework version) to load and boot |