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1 /*
2 * Copyright (C) 2014 Stefan Roese <sr@denx.de>
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7 #include <common.h>
8 #include <spl.h>
9 #include <asm/io.h>
10 #include <asm/arch/cpu.h>
11 #include <asm/arch/soc.h>
12
13 DECLARE_GLOBAL_DATA_PTR;
14
15 u32 spl_boot_device(void)
16 {
17 #if defined(CONFIG_SPL_SPI_FLASH_SUPPORT)
18 return BOOT_DEVICE_SPI;
19 #endif
20 #if defined(CONFIG_SPL_MMC_SUPPORT)
21 return BOOT_DEVICE_MMC1;
22 #endif
23 }
24
25 #ifdef CONFIG_SPL_MMC_SUPPORT
26 u32 spl_boot_mode(void)
27 {
28 return MMCSD_MODE_RAW;
29 }
30 #endif
31
32 void board_init_f(ulong dummy)
33 {
34 #ifndef CONFIG_MVEBU_BOOTROM_UARTBOOT
35 /*
36 * Only call arch_cpu_init() when not returning to the
37 * Marvell BootROM, which is done when booting via
38 * the xmodem protocol (kwboot tool). Otherwise the
39 * internal register will get remapped and the BootROM
40 * can't continue to run correctly.
41 */
42
43 /* Linux expects the internal registers to be at 0xf1000000 */
44 arch_cpu_init();
45 #endif
46
47 /*
48 * Pin muxing needs to be done before UART output, since
49 * on A38x the UART pins need some re-muxing for output
50 * to work.
51 */
52 board_early_init_f();
53
54 preloader_console_init();
55
56 timer_init();
57
58 /* First init the serdes PHY's */
59 serdes_phy_config();
60
61 /* Setup DDR */
62 ddr3_init();
63
64 #ifdef CONFIG_MVEBU_BOOTROM_UARTBOOT
65 /*
66 * Return to the BootROM to continue the Marvell xmodem
67 * UART boot protocol. As initiated by the kwboot tool.
68 *
69 * This can only be done by the BootROM and not by the
70 * U-Boot SPL infrastructure, since the beginning of the
71 * image is already read and interpreted by the BootROM.
72 * SPL has no chance to receive this information. So we
73 * need to return to the BootROM to enable this xmodem
74 * UART download.
75 */
76 return_to_bootrom();
77 #endif
78 }