1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * r7s72100 processor support
 4 *
 5 * Copyright (C) 2013  Renesas Solutions Corp.
 6 * Copyright (C) 2013  Magnus Damm
 
 
 
 
 
 
 
 
 
 
 
 
 
 7 */
 8
 
 9#include <linux/kernel.h>
10
 
 
 
 
 
11#include <asm/mach/arch.h>
12
13#include "common.h"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
14
15static const char *const r7s72100_boards_compat_dt[] __initconst = {
 
16	"renesas,r7s72100",
17	NULL
18};
19
20DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)")
21	.l2c_aux_val    = 0,
22	.l2c_aux_mask   = ~0,
23	.init_early	= shmobile_init_delay,
24	.init_late	= shmobile_init_late,
25	.dt_compat	= r7s72100_boards_compat_dt,
26MACHINE_END

 
  1/*
  2 * r7s72100 processor support
  3 *
  4 * Copyright (C) 2013  Renesas Solutions Corp.
  5 * Copyright (C) 2013  Magnus Damm
  6 *
  7 * This program is free software; you can redistribute it and/or modify
  8 * it under the terms of the GNU General Public License as published by
  9 * the Free Software Foundation; version 2 of the License.
 10 *
 11 * This program is distributed in the hope that it will be useful,
 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14 * GNU General Public License for more details.
 15 *
 16 * You should have received a copy of the GNU General Public License
 17 * along with this program; if not, write to the Free Software
 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 19 */
 20
 21#include <linux/irq.h>
 22#include <linux/kernel.h>
 23#include <linux/of_platform.h>
 24#include <linux/serial_sci.h>
 25#include <linux/sh_timer.h>
 26#include <mach/common.h>
 27#include <mach/irqs.h>
 28#include <mach/r7s72100.h>
 29#include <asm/mach/arch.h>
 30
 31#define R7S72100_SCIF(index, baseaddr, irq)				\
 32static const struct plat_sci_port scif##index##_platform_data = {	\
 33	.type		= PORT_SCIF,					\
 34	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,		\
 35	.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,		\
 36	.scscr		= SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |	\
 37			  SCSCR_REIE,					\
 38};									\
 39									\
 40static struct resource scif##index##_resources[] = {			\
 41	DEFINE_RES_MEM(baseaddr, 0x100),				\
 42	DEFINE_RES_IRQ(irq + 1),					\
 43	DEFINE_RES_IRQ(irq + 2),					\
 44	DEFINE_RES_IRQ(irq + 3),					\
 45	DEFINE_RES_IRQ(irq),						\
 46}									\
 47
 48R7S72100_SCIF(0, 0xe8007000, gic_iid(221));
 49R7S72100_SCIF(1, 0xe8007800, gic_iid(225));
 50R7S72100_SCIF(2, 0xe8008000, gic_iid(229));
 51R7S72100_SCIF(3, 0xe8008800, gic_iid(233));
 52R7S72100_SCIF(4, 0xe8009000, gic_iid(237));
 53R7S72100_SCIF(5, 0xe8009800, gic_iid(241));
 54R7S72100_SCIF(6, 0xe800a000, gic_iid(245));
 55R7S72100_SCIF(7, 0xe800a800, gic_iid(249));
 56
 57#define r7s72100_register_scif(index)					       \
 58	platform_device_register_resndata(&platform_bus, "sh-sci", index,      \
 59					  scif##index##_resources,	       \
 60					  ARRAY_SIZE(scif##index##_resources), \
 61					  &scif##index##_platform_data,	       \
 62					  sizeof(scif##index##_platform_data))
 63
 64
 65static struct sh_timer_config mtu2_0_platform_data __initdata = {
 66	.name = "MTU2_0",
 67	.timer_bit = 0,
 68	.channel_offset = -0x80,
 69	.clockevent_rating = 200,
 70};
 71
 72static struct resource mtu2_0_resources[] __initdata = {
 73	DEFINE_RES_MEM(0xfcff0300, 0x27),
 74	DEFINE_RES_IRQ(gic_iid(139)), /* MTU2 TGI0A */
 75};
 76
 77#define r7s72100_register_mtu2(idx)					\
 78	platform_device_register_resndata(&platform_bus, "sh_mtu2",	\
 79					  idx, mtu2_##idx##_resources,	\
 80					  ARRAY_SIZE(mtu2_##idx##_resources), \
 81					  &mtu2_##idx##_platform_data,	\
 82					  sizeof(struct sh_timer_config))
 83
 84void __init r7s72100_add_dt_devices(void)
 85{
 86	r7s72100_register_scif(0);
 87	r7s72100_register_scif(1);
 88	r7s72100_register_scif(2);
 89	r7s72100_register_scif(3);
 90	r7s72100_register_scif(4);
 91	r7s72100_register_scif(5);
 92	r7s72100_register_scif(6);
 93	r7s72100_register_scif(7);
 94	r7s72100_register_mtu2(0);
 95}
 96
 97void __init r7s72100_init_early(void)
 98{
 99	shmobile_setup_delay(400, 1, 3); /* Cortex-A9 @ 400MHz */
100}
101
102#ifdef CONFIG_USE_OF
103static const char *r7s72100_boards_compat_dt[] __initdata = {
104	"renesas,r7s72100",
105	NULL,
106};
107
108DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)")
109	.init_early	= r7s72100_init_early,
 
 
 
110	.dt_compat	= r7s72100_boards_compat_dt,
111MACHINE_END
112#endif /* CONFIG_USE_OF */