mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 14:53:06 +00:00
9b20519887
Rather than using a new debug UART implementation, use the standard one provided by U-Boot. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Thomas Chou <thomas@wytron.com.tw>
62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
/*
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* (C) Copyright 2015 Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <debug_uart.h>
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#include <asm/io.h>
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#include <asm/arch/grf_rk3036.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/sdram_rk3036.h>
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#include <asm/arch/timer.h>
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#include <asm/arch/uart.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define GRF_BASE 0x20008000
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static struct rk3036_grf * const grf = (void *)GRF_BASE;
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#define DEBUG_UART_BASE 0x20068000
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extern void back_to_bootrom(void);
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void board_init_f(ulong dummy)
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{
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#ifdef EARLY_DEBUG
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/*
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* NOTE: sd card and debug uart use same iomux in rk3036,
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* so if you enable uart,
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* you can not boot from sdcard
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*/
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rk_clrsetreg(&grf->gpio1c_iomux,
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GPIO1C3_MASK << GPIO1C3_SHIFT |
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GPIO1C2_MASK << GPIO1C2_SHIFT,
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GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
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GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
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debug_uart_init();
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#endif
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rockchip_timer_init();
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sdram_init();
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/* return to maskrom */
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back_to_bootrom();
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}
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/* Place Holders */
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void board_init_r(gd_t *id, ulong dest_addr)
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{
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/*
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* Function attribute is no-return
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* This Function never executes
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*/
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while (1)
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;
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}
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void hang(void)
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{
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while (1)
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;
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}
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