2 * Copyright (C) 2012 Samsung Electronics
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.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 BOOT_MODE_SERIAL = 20,
29 /* Boot based on Operating Mode pin settings */
31 BOOT_MODE_USB, /* Boot using USB download */
34 typedef u32 (*spi_copy_func_t)(u32 offset, u32 nblock, u32 dst);
37 * Copy U-boot from mmc to RAM:
38 * COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains
39 * Pointer to API (Data transfer from mmc to ram)
41 void copy_uboot_to_ram(void)
43 spi_copy_func_t spi_copy;
44 enum boot_mode bootmode;
45 u32 (*copy_bl2)(u32, u32, u32);
47 bootmode = readl(EXYNOS5_POWER_BASE) & OM_STAT;
50 case BOOT_MODE_SERIAL:
51 spi_copy = *(spi_copy_func_t *)EXYNOS_COPY_SPI_FNPTR_ADDR;
52 spi_copy(SPI_FLASH_UBOOT_POS, CONFIG_BL2_SIZE,
53 CONFIG_SYS_TEXT_BASE);
56 copy_bl2 = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR;
57 copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT,
58 CONFIG_SYS_TEXT_BASE);
65 void board_init_f(unsigned long bootflag)
67 __attribute__((noreturn)) void (*uboot)(void);
70 /* Jump to U-Boot image */
71 uboot = (void *)CONFIG_SYS_TEXT_BASE;
73 /* Never returns Here */
77 void board_init_r(gd_t *id, ulong dest_addr)
79 /* Function attribute is no-return */
80 /* This Function never executes */
85 void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) {}