xref: /openbmc/u-boot/arch/arm/mach-tegra/spl.c (revision 1a88a04e)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2012
4  * NVIDIA Inc, <www.nvidia.com>
5  *
6  * Allen Martin <amartin@nvidia.com>
7  */
8 #include <common.h>
9 #include <debug_uart.h>
10 #include <spl.h>
11 
12 #include <asm/io.h>
13 #include <asm/arch/clock.h>
14 #include <asm/arch/pinmux.h>
15 #include <asm/arch/tegra.h>
16 #include <asm/arch-tegra/apb_misc.h>
17 #include <asm/arch-tegra/board.h>
18 #include <asm/spl.h>
19 #include "cpu.h"
20 
21 void spl_board_init(void)
22 {
23 	struct apb_misc_pp_ctlr *apb_misc =
24 				(struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
25 
26 	/* enable JTAG */
27 	writel(0xC0, &apb_misc->cfg_ctl);
28 
29 	board_init_uart_f();
30 
31 	/* Initialize periph GPIOs */
32 	gpio_early_init_uart();
33 
34 	clock_early_init();
35 #ifdef CONFIG_DEBUG_UART
36 	debug_uart_init();
37 #endif
38 	preloader_console_init();
39 }
40 
41 u32 spl_boot_device(void)
42 {
43 	return BOOT_DEVICE_RAM;
44 }
45 
46 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
47 {
48 	debug("image entry point: 0x%lX\n", spl_image->entry_point);
49 
50 	start_cpu((u32)spl_image->entry_point);
51 	halt_avp();
52 }
53