1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * R-Car Gen3 recovery SPL
4  *
5  * Copyright (C) 2019 Marek Vasut <marek.vasut@gmail.com>
6  */
7 
8 #include <common.h>
9 #include <cpu_func.h>
10 #include <image.h>
11 #include <init.h>
12 #include <log.h>
13 #include <asm/io.h>
14 #include <spl.h>
15 #include <linux/bitops.h>
16 
17 #define RCAR_CNTC_BASE	0xE6080000
18 #define CNTCR_EN	BIT(0)
19 
board_init_f(ulong dummy)20 void board_init_f(ulong dummy)
21 {
22 	writel(CNTCR_EN, RCAR_CNTC_BASE);
23 	timer_init();
24 }
25 
spl_board_init(void)26 void spl_board_init(void)
27 {
28 	/* UART clocks enabled and gd valid - init serial console */
29 	preloader_console_init();
30 }
31 
spl_boot_device(void)32 u32 spl_boot_device(void)
33 {
34 	return BOOT_DEVICE_UART;
35 }
36 
jump_to_image_no_args(struct spl_image_info * spl_image)37 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
38 {
39 	debug("image entry point: 0x%lx\n", spl_image->entry_point);
40 	if (spl_image->os == IH_OS_ARM_TRUSTED_FIRMWARE) {
41 		typedef void (*image_entry_arg_t)(int, int, int, int)
42 			__attribute__ ((noreturn));
43 		image_entry_arg_t image_entry =
44 			(image_entry_arg_t)(uintptr_t) spl_image->entry_point;
45 		image_entry(IH_MAGIC, CONFIG_SPL_TEXT_BASE, 0, 0);
46 	} else {
47 		typedef void __noreturn (*image_entry_noargs_t)(void);
48 		image_entry_noargs_t image_entry =
49 			(image_entry_noargs_t)spl_image->entry_point;
50 		image_entry();
51 	}
52 }
53 
s_init(void)54 void s_init(void)
55 {
56 }
57 
reset_cpu(void)58 void reset_cpu(void)
59 {
60 }
61