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https://github.com/edk2-porting/linux-next.git
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1fb68146d5
Let the multiplatform Lager support boot with the legacy DTS for Lager as well as the Lager reference DTS. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* Lager board support - Reference DT implementation
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*
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* Copyright (C) 2013 Renesas Solutions Corp.
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* Copyright (C) 2013 Simon Horman
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/clk.h>
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#include <linux/clkdev.h>
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#include <linux/init.h>
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#include <linux/of_platform.h>
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#include <mach/common.h>
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#include <mach/rcar-gen2.h>
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#include <mach/r8a7790.h>
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#include <asm/mach/arch.h>
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static void __init lager_add_standard_devices(void)
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{
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#ifdef CONFIG_COMMON_CLK
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/*
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* This is a really crude hack to provide clkdev support to the SCIF
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* and CMT devices until they get moved to DT.
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*/
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static const char * const scif_names[] = {
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"scifa0", "scifa1", "scifb0", "scifb1",
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"scifb2", "scifa2", "scif0", "scif1",
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"hscif0", "hscif1",
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};
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struct clk *clk;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(scif_names); ++i) {
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clk = clk_get(NULL, scif_names[i]);
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if (clk) {
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clk_register_clkdev(clk, NULL, "sh-sci.%u", i);
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clk_put(clk);
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}
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}
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clk = clk_get(NULL, "cmt0");
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if (clk) {
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clk_register_clkdev(clk, NULL, "sh_cmt.0");
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clk_put(clk);
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}
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#else
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r8a7790_clock_init();
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#endif
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r8a7790_add_dt_devices();
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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 *lager_boards_compat_dt[] __initdata = {
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"renesas,lager",
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"renesas,lager-reference",
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NULL,
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};
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DT_MACHINE_START(LAGER_DT, "lager")
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.smp = smp_ops(r8a7790_smp_ops),
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.init_early = r8a7790_init_early,
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.init_time = rcar_gen2_timer_init,
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.init_machine = lager_add_standard_devices,
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.init_late = shmobile_init_late,
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.dt_compat = lager_boards_compat_dt,
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MACHINE_END
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