Merge tag 'u-boot-atmel-fixes-2020.07-a' of https://gitlab.denx.de/u-boot/custodians...
[oweals/u-boot.git] / arch / arm / mach-rockchip / rk3036-board-spl.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2015-2019 Rockchip Electronics Co., Ltd
4  */
5
6 #include <common.h>
7 #include <debug_uart.h>
8 #include <init.h>
9 #include <asm/io.h>
10 #include <asm/arch-rockchip/bootrom.h>
11 #include <asm/arch-rockchip/sdram_rk3036.h>
12
13 #define TIMER_LOAD_COUNT_L      0x00
14 #define TIMER_LOAD_COUNT_H      0x04
15 #define TIMER_CONTROL_REG       0x10
16 #define TIMER_EN        0x1
17 #define TIMER_FMODE     (0 << 1)
18 #define TIMER_RMODE     (1 << 1)
19
20 void rockchip_stimer_init(void)
21 {
22         asm volatile("mcr p15, 0, %0, c14, c0, 0"
23                      : : "r"(COUNTER_FREQUENCY));
24
25         writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
26         writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE);
27         writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4);
28         writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE +
29                TIMER_CONTROL_REG);
30 }
31
32 void board_init_f(ulong dummy)
33 {
34 #ifdef CONFIG_DEBUG_UART
35         debug_uart_init();
36 #endif
37
38         /* Init secure timer */
39         rockchip_stimer_init();
40         /* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */
41         timer_init();
42
43         sdram_init();
44
45         /* return to maskrom */
46         back_to_bootrom(BROM_BOOT_NEXTSTAGE);
47 }
48
49 /* Place Holders */
50 void board_init_r(gd_t *id, ulong dest_addr)
51 {
52         /*
53          * Function attribute is no-return
54          * This Function never executes
55          */
56         while (1)
57                 ;
58 }