2 * Copyright (C) 2012 Stefan Roese <sr@denx.de>
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
21 DECLARE_GLOBAL_DATA_PTR;
24 * Needed to align size SPL image to a 4-byte length
26 u32 end_align __attribute__ ((section(".end_align")));
29 * Return selected boot device. On MPC5200 its only NOR flash right now.
31 u32 spl_boot_device(void)
33 return BOOT_DEVICE_NOR;
37 * SPL version of board_init_f()
39 void board_init_f(ulong bootflag)
41 end_align = (u32)__spl_flash_end;
44 * First we need to initialize the SDRAM, so that the real
45 * U-Boot or the OS (Linux) can be loaded
50 memset(__bss_start, '\0', __bss_end__ - __bss_start);
53 * Init global_data pointer. Has to be done before calling
54 * get_clocks(), as it stores some clock values into gd needed
55 * later on in the serial driver.
57 /* Pointer is writable since we allocated a register for it */
58 gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
59 /* Clear initial global data */
60 memset((void *)gd, 0, sizeof(gd_t));
63 * get_clocks() needs to be called so that the serial driver
69 * Do rudimental console / serial setup
71 preloader_console_init();
74 * Call board_init_r() (SPL framework version) to load and boot
77 board_init_r(NULL, 0);
78 /* Does not return!!! */