Merge git://git.denx.de/u-boot-socfpga
[platform/kernel/u-boot.git] / arch / arm / mach-tegra / spl.c
1 /*
2  * (C) Copyright 2012
3  * NVIDIA Inc, <www.nvidia.com>
4  *
5  * Allen Martin <amartin@nvidia.com>
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9 #include <common.h>
10 #include <debug_uart.h>
11 #include <spl.h>
12
13 #include <asm/io.h>
14 #include <asm/arch/clock.h>
15 #include <asm/arch/pinmux.h>
16 #include <asm/arch/tegra.h>
17 #include <asm/arch-tegra/apb_misc.h>
18 #include <asm/arch-tegra/board.h>
19 #include <asm/spl.h>
20 #include "cpu.h"
21
22 void spl_board_init(void)
23 {
24         struct apb_misc_pp_ctlr *apb_misc =
25                                 (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
26
27         /* enable JTAG */
28         writel(0xC0, &apb_misc->cfg_ctl);
29
30         board_init_uart_f();
31
32         /* Initialize periph GPIOs */
33         gpio_early_init_uart();
34
35         clock_early_init();
36 #ifdef CONFIG_DEBUG_UART
37         debug_uart_init();
38 #endif
39         preloader_console_init();
40 }
41
42 u32 spl_boot_device(void)
43 {
44         return BOOT_DEVICE_RAM;
45 }
46
47 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
48 {
49         debug("image entry point: 0x%lX\n", spl_image->entry_point);
50
51         start_cpu((u32)spl_image->entry_point);
52         halt_avp();
53 }