mirror of
https://github.com/AsahiLinux/u-boot
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50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2016 Rockchip Electronics Co., Ltd
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch-rockchip/bootrom.h>
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#include <asm/arch-rockchip/grf_rk3066.h>
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#define GRF_BASE 0x20008000
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const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
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[BROM_BOOTSOURCE_EMMC] = "/mmc@1021c000",
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[BROM_BOOTSOURCE_SD] = "/mmc@10214000",
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};
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void board_debug_uart_init(void)
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{
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struct rk3066_grf * const grf = (void *)GRF_BASE;
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/* Enable early UART on the RK3066 */
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rk_clrsetreg(&grf->gpio1b_iomux,
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GPIO1B1_MASK | GPIO1B0_MASK,
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GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
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GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
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}
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void spl_board_init(void)
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{
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if (!IS_ENABLED(CONFIG_SPL_BUILD))
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return;
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if (IS_ENABLED(CONFIG_SPL_DM_MMC)) {
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struct rk3066_grf * const grf = (void *)GRF_BASE;
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rk_clrsetreg(&grf->gpio3b_iomux,
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GPIO3B0_MASK | GPIO3B1_MASK | GPIO3B2_MASK |
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GPIO3B3_MASK | GPIO3B4_MASK | GPIO3B5_MASK |
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GPIO3B6_MASK,
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GPIO3B0_SDMMC0_CLKOUT << GPIO3B0_SHIFT |
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GPIO3B1_SDMMC0_CMD << GPIO3B1_SHIFT |
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GPIO3B2_SDMMC0_DATA0 << GPIO3B2_SHIFT |
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GPIO3B3_SDMMC0_DATA1 << GPIO3B3_SHIFT |
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GPIO3B4_SDMMC0_DATA2 << GPIO3B4_SHIFT |
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GPIO3B5_SDMMC0_DATA3 << GPIO3B5_SHIFT |
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GPIO3B6_SDMMC0_DECTN << GPIO3B6_SHIFT);
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}
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}
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