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81bd0ad07c
In TPL we will need to configure security in the SGRF of the RK3368. This change adds support for the SGRF as a syscon device, so we can retrieve its address range through the syscon API in TPL (and can avoid having to hard-code the address). Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Reviewed-by: Simon Glass <sjg@chromium.org>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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* (C) Copyright 2017 Rockchip Electronics Co., Ltd
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* Author: Andy Yan <andy.yan@rock-chips.com>
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* (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
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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 <dm.h>
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#include <syscon.h>
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#include <asm/arch/clock.h>
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static const struct udevice_id rk3368_syscon_ids[] = {
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{ .compatible = "rockchip,rk3368-grf",
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.data = ROCKCHIP_SYSCON_GRF },
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{ .compatible = "rockchip,rk3368-pmugrf",
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.data = ROCKCHIP_SYSCON_PMUGRF },
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{ .compatible = "rockchip,rk3368-msch",
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.data = ROCKCHIP_SYSCON_MSCH },
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{ .compatible = "rockchip,rk3368-sgrf",
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.data = ROCKCHIP_SYSCON_SGRF },
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{ }
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};
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U_BOOT_DRIVER(syscon_rk3368) = {
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.name = "rk3368_syscon",
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.id = UCLASS_SYSCON,
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.of_match = rk3368_syscon_ids,
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};
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#if CONFIG_IS_ENABLED(OF_PLATDATA)
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static int rk3368_syscon_bind_of_platdata(struct udevice *dev)
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{
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dev->driver_data = dev->driver->of_match->data;
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debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
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return 0;
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}
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U_BOOT_DRIVER(rockchip_rk3368_grf) = {
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.name = "rockchip_rk3368_grf",
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.id = UCLASS_SYSCON,
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.of_match = rk3368_syscon_ids,
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.bind = rk3368_syscon_bind_of_platdata,
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};
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U_BOOT_DRIVER(rockchip_rk3368_pmugrf) = {
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.name = "rockchip_rk3368_pmugrf",
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.id = UCLASS_SYSCON,
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.of_match = rk3368_syscon_ids + 1,
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.bind = rk3368_syscon_bind_of_platdata,
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};
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U_BOOT_DRIVER(rockchip_rk3368_msch) = {
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.name = "rockchip_rk3368_msch",
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.id = UCLASS_SYSCON,
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.of_match = rk3368_syscon_ids + 2,
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.bind = rk3368_syscon_bind_of_platdata,
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};
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U_BOOT_DRIVER(rockchip_rk3368_sgrf) = {
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.name = "rockchip_rk3368_sgrf",
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.id = UCLASS_SYSCON,
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.of_match = rk3368_syscon_ids + 3,
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.bind = rk3368_syscon_bind_of_platdata,
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};
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#endif
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