2 * (C) Copyright 2015 Rockchip Electronics Co., Ltd
4 * SPDX-License-Identifier: GPL-2.0+
8 #include <debug_uart.h>
10 #include <asm/arch/grf_rk3036.h>
11 #include <asm/arch/hardware.h>
12 #include <asm/arch/sdram_rk3036.h>
13 #include <asm/arch/timer.h>
14 #include <asm/arch/uart.h>
16 DECLARE_GLOBAL_DATA_PTR;
18 #define GRF_BASE 0x20008000
19 static struct rk3036_grf * const grf = (void *)GRF_BASE;
21 #define DEBUG_UART_BASE 0x20068000
23 extern void back_to_bootrom(void);
25 void board_init_f(ulong dummy)
29 * NOTE: sd card and debug uart use same iomux in rk3036,
30 * so if you enable uart,
31 * you can not boot from sdcard
33 rk_clrsetreg(&grf->gpio1c_iomux,
34 GPIO1C3_MASK << GPIO1C3_SHIFT |
35 GPIO1C2_MASK << GPIO1C2_SHIFT,
36 GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
37 GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
40 rockchip_timer_init();
43 /* return to maskrom */
48 void board_init_r(gd_t *id, ulong dest_addr)
51 * Function attribute is no-return
52 * This Function never executes