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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f07d73e33d
With recent support for true irqchip and clocksource drivers for Orion SoCs, now make use of it on DT enabled Dove boards. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/*
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* arch/arm/mach-dove/board-dt.c
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*
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* Marvell Dove 88AP510 System On Chip FDT Board
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/init.h>
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#include <linux/clk-provider.h>
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#include <linux/clocksource.h>
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#include <linux/irqchip.h>
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#include <linux/of.h>
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#include <linux/of_platform.h>
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#include <linux/platform_data/usb-ehci-orion.h>
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#include <asm/hardware/cache-tauros2.h>
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#include <asm/mach/arch.h>
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#include <mach/dove.h>
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#include <mach/pm.h>
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#include <plat/common.h>
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#include <plat/irq.h>
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#include "common.h"
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/*
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* There are still devices that doesn't even know about DT,
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* get clock gates here and add a clock lookup.
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*/
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static void __init dove_legacy_clk_init(void)
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{
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struct device_node *np = of_find_compatible_node(NULL, NULL,
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"marvell,dove-gating-clock");
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struct of_phandle_args clkspec;
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clkspec.np = np;
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clkspec.args_count = 1;
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clkspec.args[0] = CLOCK_GATING_BIT_PCIE0;
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orion_clkdev_add("0", "pcie",
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of_clk_get_from_provider(&clkspec));
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clkspec.args[0] = CLOCK_GATING_BIT_PCIE1;
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orion_clkdev_add("1", "pcie",
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of_clk_get_from_provider(&clkspec));
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}
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static void __init dove_dt_time_init(void)
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{
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of_clk_init(NULL);
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clocksource_of_init();
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}
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static void __init dove_dt_init_early(void)
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{
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mvebu_mbus_init("marvell,dove-mbus",
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BRIDGE_WINS_BASE, BRIDGE_WINS_SZ,
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DOVE_MC_WINS_BASE, DOVE_MC_WINS_SZ);
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}
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static void __init dove_dt_init(void)
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{
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pr_info("Dove 88AP510 SoC\n");
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#ifdef CONFIG_CACHE_TAUROS2
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tauros2_init(0);
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#endif
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dove_setup_cpu_wins();
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/* Setup clocks for legacy devices */
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dove_legacy_clk_init();
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/* Internal devices not ported to DT yet */
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dove_pcie_init(1, 1);
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of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
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}
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static const char * const dove_dt_board_compat[] = {
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"marvell,dove",
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NULL
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};
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DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)")
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.map_io = dove_map_io,
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.init_early = dove_dt_init_early,
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.init_time = dove_dt_time_init,
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.init_machine = dove_dt_init,
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.restart = dove_restart,
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.dt_compat = dove_dt_board_compat,
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MACHINE_END
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