rockchip: Move bootrom-related declarations to a header
[oweals/u-boot.git] / arch / arm / mach-rockchip / rk3036-board-spl.c
1 /*
2  * (C) Copyright 2015 Rockchip Electronics Co., Ltd
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <common.h>
8 #include <debug_uart.h>
9 #include <asm/io.h>
10 #include <asm/arch/bootrom.h>
11 #include <asm/arch/grf_rk3036.h>
12 #include <asm/arch/hardware.h>
13 #include <asm/arch/sdram_rk3036.h>
14 #include <asm/arch/timer.h>
15 #include <asm/arch/uart.h>
16
17 DECLARE_GLOBAL_DATA_PTR;
18
19 #define GRF_BASE        0x20008000
20 static struct rk3036_grf * const grf = (void *)GRF_BASE;
21
22 #define DEBUG_UART_BASE 0x20068000
23
24 void board_init_f(ulong dummy)
25 {
26 #ifdef EARLY_DEBUG
27         /*
28          * NOTE: sd card and debug uart use same iomux in rk3036,
29          * so if you enable uart,
30          * you can not boot from sdcard
31          */
32         rk_clrsetreg(&grf->gpio1c_iomux,
33                      GPIO1C3_MASK << GPIO1C3_SHIFT |
34                      GPIO1C2_MASK << GPIO1C2_SHIFT,
35                      GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
36                      GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
37         debug_uart_init();
38 #endif
39         rockchip_timer_init();
40         sdram_init();
41
42         /* return to maskrom */
43         back_to_bootrom();
44 }
45
46 /* Place Holders */
47 void board_init_r(gd_t *id, ulong dest_addr)
48 {
49         /*
50          * Function attribute is no-return
51          * This Function never executes
52          */
53         while (1)
54                 ;
55 }
56
57 void hang(void)
58 {
59         while (1)
60                 ;
61 }