setup-r7s72100.c
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/*
* r7s72100 processor support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Magnus Damm
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r7s72100.h>
#include <asm/mach/arch.h>
#define R7S72100_SCIF(index, baseaddr, irq) \
static const struct plat_sci_port scif##index##_platform_data = { \
.type = PORT_SCIF, \
.regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, \
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \
.scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE | \
SCSCR_REIE, \
}; \
\
static struct resource scif##index##_resources[] = { \
DEFINE_RES_MEM(baseaddr, 0x100), \
DEFINE_RES_IRQ(irq + 1), \
DEFINE_RES_IRQ(irq + 2), \
DEFINE_RES_IRQ(irq + 3), \
DEFINE_RES_IRQ(irq), \
} \
R7S72100_SCIF(0, 0xe8007000, gic_iid(221));
R7S72100_SCIF(1, 0xe8007800, gic_iid(225));
R7S72100_SCIF(2, 0xe8008000, gic_iid(229));
R7S72100_SCIF(3, 0xe8008800, gic_iid(233));
R7S72100_SCIF(4, 0xe8009000, gic_iid(237));
R7S72100_SCIF(5, 0xe8009800, gic_iid(241));
R7S72100_SCIF(6, 0xe800a000, gic_iid(245));
R7S72100_SCIF(7, 0xe800a800, gic_iid(249));
#define r7s72100_register_scif(index) \
platform_device_register_resndata(&platform_bus, "sh-sci", index, \
scif##index##_resources, \
ARRAY_SIZE(scif##index##_resources), \
&scif##index##_platform_data, \
sizeof(scif##index##_platform_data))
static struct sh_timer_config mtu2_0_platform_data __initdata = {
.name = "MTU2_0",
.timer_bit = 0,
.channel_offset = -0x80,
.clockevent_rating = 200,
};
static struct resource mtu2_0_resources[] __initdata = {
DEFINE_RES_MEM(0xfcff0300, 0x27),
DEFINE_RES_IRQ(gic_iid(139)), /* MTU2 TGI0A */
};
#define r7s72100_register_mtu2(idx) \
platform_device_register_resndata(&platform_bus, "sh_mtu2", \
idx, mtu2_##idx##_resources, \
ARRAY_SIZE(mtu2_##idx##_resources), \
&mtu2_##idx##_platform_data, \
sizeof(struct sh_timer_config))
void __init r7s72100_add_dt_devices(void)
{
r7s72100_register_scif(0);
r7s72100_register_scif(1);
r7s72100_register_scif(2);
r7s72100_register_scif(3);
r7s72100_register_scif(4);
r7s72100_register_scif(5);
r7s72100_register_scif(6);
r7s72100_register_scif(7);
r7s72100_register_mtu2(0);
}
void __init r7s72100_init_early(void)
{
shmobile_setup_delay(400, 1, 3); /* Cortex-A9 @ 400MHz */
}
#ifdef CONFIG_USE_OF
static const char *r7s72100_boards_compat_dt[] __initdata = {
"renesas,r7s72100",
NULL,
};
DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)")
.init_early = r7s72100_init_early,
.dt_compat = r7s72100_boards_compat_dt,
MACHINE_END
#endif /* CONFIG_USE_OF */