56 lines
1.2 KiB
C
56 lines
1.2 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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* Authors: Andy Yan <andy.yan@rock-chips.com>
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <fdtdec.h>
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#include <asm/arch-rockchip/grf_rv1108.h>
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#include <asm/arch-rockchip/hardware.h>
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DECLARE_GLOBAL_DATA_PTR;
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int mach_cpu_init(void)
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{
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int node;
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struct rv1108_grf *grf;
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enum {
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GPIO3C3_SHIFT = 6,
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GPIO3C3_MASK = 3 << GPIO3C3_SHIFT,
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GPIO3C2_SHIFT = 4,
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GPIO3C2_MASK = 3 << GPIO3C2_SHIFT,
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GPIO2D2_SHIFT = 4,
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GPIO2D2_MASK = 3 << GPIO2D2_SHIFT,
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GPIO2D2_GPIO = 0,
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GPIO2D2_UART2_SOUT_M0,
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GPIO2D1_SHIFT = 2,
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GPIO2D1_MASK = 3 << GPIO2D1_SHIFT,
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GPIO2D1_GPIO = 0,
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GPIO2D1_UART2_SIN_M0,
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};
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node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "rockchip,rv1108-grf");
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grf = (struct rv1108_grf *)fdtdec_get_addr(gd->fdt_blob, node, "reg");
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/*evb board use UART2 m0 for debug*/
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rk_clrsetreg(&grf->gpio2d_iomux,
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GPIO2D2_MASK | GPIO2D1_MASK,
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GPIO2D2_UART2_SOUT_M0 << GPIO2D2_SHIFT |
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GPIO2D1_UART2_SIN_M0 << GPIO2D1_SHIFT);
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rk_clrreg(&grf->gpio3c_iomux, GPIO3C3_MASK | GPIO3C2_MASK);
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = 0x8000000;
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return 0;
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}
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