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/*
* r8a7791 processor support
*
* Copyright (C) 2013 Renesas Electronics Corporation
* 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/platform_data/gpio-rcar.h>
#include <linux/platform_data/irq-renesas-irqc.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <asm/mach/arch.h>
#include "common.h"
#include "irqs.h"
#include "r8a7791.h"
#include "rcar-gen2.h"
static const struct resource pfc_resources[] __initconst = {
DEFINE_RES_MEM(0xe6060000, 0x250),
};
#define r8a7791_register_pfc() \
platform_device_register_simple("pfc-r8a7791", -1, pfc_resources, \
ARRAY_SIZE(pfc_resources))
#define R8A7791_GPIO(idx, base, nr) \
static const struct resource r8a7791_gpio##idx##_resources[] __initconst = { \
DEFINE_RES_MEM((base), 0x50), \
DEFINE_RES_IRQ(gic_spi(4 + (idx))), \
}; \
\
static const struct gpio_rcar_config \
r8a7791_gpio##idx##_platform_data __initconst = { \
.gpio_base = 32 * (idx), \
.irq_base = 0, \
.number_of_pins = (nr), \
.pctl_name = "pfc-r8a7791", \
.has_both_edge_trigger = 1, \
}; \
R8A7791_GPIO(0, 0xe6050000, 32);
R8A7791_GPIO(1, 0xe6051000, 32);
R8A7791_GPIO(2, 0xe6052000, 32);
R8A7791_GPIO(3, 0xe6053000, 32);
R8A7791_GPIO(4, 0xe6054000, 32);
R8A7791_GPIO(5, 0xe6055000, 32);
R8A7791_GPIO(6, 0xe6055400, 32);
R8A7791_GPIO(7, 0xe6055800, 26);
#define r8a7791_register_gpio(idx) \
platform_device_register_resndata(NULL, "gpio_rcar", idx, \
r8a7791_gpio##idx##_resources, \
ARRAY_SIZE(r8a7791_gpio##idx##_resources), \
&r8a7791_gpio##idx##_platform_data, \
sizeof(r8a7791_gpio##idx##_platform_data))
void __init r8a7791_pinmux_init(void)
{
r8a7791_register_pfc();
r8a7791_register_gpio(0);
r8a7791_register_gpio(1);
r8a7791_register_gpio(2);
r8a7791_register_gpio(3);
r8a7791_register_gpio(4);
r8a7791_register_gpio(5);
r8a7791_register_gpio(6);
r8a7791_register_gpio(7);
}
#define __R8A7791_SCIF(scif_type, index, baseaddr, irq) \
static struct plat_sci_port scif##index##_platform_data = { \
.type = scif_type, \
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \
.scscr = SCSCR_RE | SCSCR_TE, \
}; \
\
static struct resource scif##index##_resources[] = { \
DEFINE_RES_MEM(baseaddr, 0x100), \
DEFINE_RES_IRQ(irq), \
}
#define R8A7791_SCIF(index, baseaddr, irq) \
__R8A7791_SCIF(PORT_SCIF, index, baseaddr, irq)
#define R8A7791_SCIFA(index, baseaddr, irq) \
__R8A7791_SCIF(PORT_SCIFA, index, baseaddr, irq)
#define R8A7791_SCIFB(index, baseaddr, irq) \
__R8A7791_SCIF(PORT_SCIFB, index, baseaddr, irq)
R8A7791_SCIFA(0, 0xe6c40000, gic_spi(144)); /* SCIFA0 */
R8A7791_SCIFA(1, 0xe6c50000, gic_spi(145)); /* SCIFA1 */
R8A7791_SCIFB(2, 0xe6c20000, gic_spi(148)); /* SCIFB0 */
R8A7791_SCIFB(3, 0xe6c30000, gic_spi(149)); /* SCIFB1 */
R8A7791_SCIFB(4, 0xe6ce0000, gic_spi(150)); /* SCIFB2 */
R8A7791_SCIFA(5, 0xe6c60000, gic_spi(151)); /* SCIFA2 */
R8A7791_SCIF(6, 0xe6e60000, gic_spi(152)); /* SCIF0 */
R8A7791_SCIF(7, 0xe6e68000, gic_spi(153)); /* SCIF1 */
R8A7791_SCIF(8, 0xe6e58000, gic_spi(22)); /* SCIF2 */
R8A7791_SCIF(9, 0xe6ea8000, gic_spi(23)); /* SCIF3 */
R8A7791_SCIF(10, 0xe6ee0000, gic_spi(24)); /* SCIF4 */
R8A7791_SCIF(11, 0xe6ee8000, gic_spi(25)); /* SCIF5 */
R8A7791_SCIFA(12, 0xe6c70000, gic_spi(29)); /* SCIFA3 */
R8A7791_SCIFA(13, 0xe6c78000, gic_spi(30)); /* SCIFA4 */
R8A7791_SCIFA(14, 0xe6c80000, gic_spi(31)); /* SCIFA5 */
#define r8a7791_register_scif(index) \
platform_device_register_resndata(NULL, "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 cmt0_platform_data = {
.channels_mask = 0x60,
};
static struct resource cmt0_resources[] = {
DEFINE_RES_MEM(0xffca0000, 0x1004),
DEFINE_RES_IRQ(gic_spi(142)),
};
#define r8a7791_register_cmt(idx) \
platform_device_register_resndata(NULL, "sh-cmt-48-gen2", \
idx, cmt##idx##_resources, \
ARRAY_SIZE(cmt##idx##_resources), \
&cmt##idx##_platform_data, \
sizeof(struct sh_timer_config))
static struct renesas_irqc_config irqc0_data = {
.irq_base = irq_pin(0), /* IRQ0 -> IRQ9 */
};
static struct resource irqc0_resources[] = {
DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */
DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */
DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */
DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */
DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */
DEFINE_RES_IRQ(gic_spi(12)), /* IRQ4 */
DEFINE_RES_IRQ(gic_spi(13)), /* IRQ5 */
DEFINE_RES_IRQ(gic_spi(14)), /* IRQ6 */
DEFINE_RES_IRQ(gic_spi(15)), /* IRQ7 */
DEFINE_RES_IRQ(gic_spi(16)), /* IRQ8 */
DEFINE_RES_IRQ(gic_spi(17)), /* IRQ9 */
};
#define r8a7791_register_irqc(idx) \
platform_device_register_resndata(NULL, "renesas_irqc", \
idx, irqc##idx##_resources, \
ARRAY_SIZE(irqc##idx##_resources), \
&irqc##idx##_data, \
sizeof(struct renesas_irqc_config))
static const struct resource thermal_resources[] __initconst = {
DEFINE_RES_MEM(0xe61f0000, 0x14),
DEFINE_RES_MEM(0xe61f0100, 0x38),
DEFINE_RES_IRQ(gic_spi(69)),
};
#define r8a7791_register_thermal() \
platform_device_register_simple("rcar_thermal", -1, \
thermal_resources, \
ARRAY_SIZE(thermal_resources))
void __init r8a7791_add_dt_devices(void)
{
r8a7791_register_cmt(0);
}
void __init r8a7791_add_standard_devices(void)
{
r8a7791_register_scif(0);
r8a7791_register_scif(1);
r8a7791_register_scif(2);
r8a7791_register_scif(3);
r8a7791_register_scif(4);
r8a7791_register_scif(5);
r8a7791_register_scif(6);
r8a7791_register_scif(7);
r8a7791_register_scif(8);
r8a7791_register_scif(9);
r8a7791_register_scif(10);
r8a7791_register_scif(11);
r8a7791_register_scif(12);
r8a7791_register_scif(13);
r8a7791_register_scif(14);
r8a7791_add_dt_devices();
r8a7791_register_irqc(0);
r8a7791_register_thermal();
}
#ifdef CONFIG_USE_OF
static const char *r8a7791_boards_compat_dt[] __initdata = {
"renesas,r8a7791",
NULL,
};
DT_MACHINE_START(R8A7791_DT, "Generic R8A7791 (Flattened Device Tree)")
.smp = smp_ops(r8a7791_smp_ops),
.init_early = shmobile_init_delay,
.init_time = rcar_gen2_timer_init,
.init_late = shmobile_init_late,
.reserve = rcar_gen2_reserve,
.dt_compat = r8a7791_boards_compat_dt,
MACHINE_END
#endif /* CONFIG_USE_OF */
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