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https://github.com/brain-hackers/u-boot-brain
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![Kever Yang](/assets/img/avatar_default.png)
The driver need a mapping to get the dts node by boot srouce ID. Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2019 Rockchip Electronics Co., Ltd
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*/
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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_rk322x.h>
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#include <asm/arch-rockchip/hardware.h>
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const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
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[BROM_BOOTSOURCE_EMMC] = "dwmmc@30020000",
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[BROM_BOOTSOURCE_SD] = "dwmmc@30000000",
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};
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#ifdef CONFIG_DEBUG_UART_BOARD_INIT
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void board_debug_uart_init(void)
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{
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#define GRF_BASE 0x11000000
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static struct rk322x_grf * const grf = (void *)GRF_BASE;
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enum {
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GPIO1B2_SHIFT = 4,
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GPIO1B2_MASK = 3 << GPIO1B2_SHIFT,
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GPIO1B2_GPIO = 0,
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GPIO1B2_UART1_SIN,
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GPIO1B2_UART21_SIN,
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GPIO1B1_SHIFT = 2,
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GPIO1B1_MASK = 3 << GPIO1B1_SHIFT,
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GPIO1B1_GPIO = 0,
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GPIO1B1_UART1_SOUT,
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GPIO1B1_UART21_SOUT,
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};
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enum {
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CON_IOMUX_UART2SEL_SHIFT = 8,
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CON_IOMUX_UART2SEL_MASK = 1 << CON_IOMUX_UART2SEL_SHIFT,
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CON_IOMUX_UART2SEL_2 = 0,
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CON_IOMUX_UART2SEL_21,
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};
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/* Enable early UART2 channel 1 on the RK322x */
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rk_clrsetreg(&grf->gpio1b_iomux,
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GPIO1B1_MASK | GPIO1B2_MASK,
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GPIO1B2_UART21_SIN << GPIO1B2_SHIFT |
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GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT);
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/* Set channel C as UART2 input */
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rk_clrsetreg(&grf->con_iomux,
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CON_IOMUX_UART2SEL_MASK,
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CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT);
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}
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#endif
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int arch_cpu_init(void)
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{
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#ifdef CONFIG_SPL_BUILD
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#define SGRF_BASE 0x10150000
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static struct rk322x_sgrf * const sgrf = (void *)SGRF_BASE;
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/* Disable the ddr secure region setting to make it non-secure */
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rk_clrreg(&sgrf->soc_con[0], 0x4000);
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#endif
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return 0;
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}
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