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/*
* r8a7779 processor support
*
* Copyright (C) 2011 Renesas Solutions Corp.
* Copyright (C) 2011 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/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/serial_sci.h>
#include <linux/sh_intc.h>
#include <linux/sh_timer.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <mach/r8a7779.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <asm/hardware/cache-l2x0.h>
static struct map_desc r8a7779_io_desc[] __initdata = {
/* 2M entity map for 0xf0000000 (MPCORE) */
{
.virtual = 0xf0000000,
.pfn = __phys_to_pfn(0xf0000000),
.length = SZ_2M,
.type = MT_DEVICE_NONSHARED
},
/* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */
{
.virtual = 0xfe000000,
.pfn = __phys_to_pfn(0xfe000000),
.length = SZ_16M,
.type = MT_DEVICE_NONSHARED
},
};
void __init r8a7779_map_io(void)
{
iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc));
}
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xffe40000,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { gic_spi(88), gic_spi(88),
gic_spi(88), gic_spi(88) },
};
static struct platform_device scif0_device = {
.name = "sh-sci",
.id = 0,
.dev = {
.platform_data = &scif0_platform_data,
},
};
static struct plat_sci_port scif1_platform_data = {
.mapbase = 0xffe41000,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { gic_spi(89), gic_spi(89),
gic_spi(89), gic_spi(89) },
};
static struct platform_device scif1_device = {
.name = "sh-sci",
.id = 1,
.dev = {
.platform_data = &scif1_platform_data,
},
};
static struct plat_sci_port scif2_platform_data = {
.mapbase = 0xffe42000,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { gic_spi(90), gic_spi(90),
gic_spi(90), gic_spi(90) },
};
static struct platform_device scif2_device = {
.name = "sh-sci",
.id = 2,
.dev = {
.platform_data = &scif2_platform_data,
},
};
static struct plat_sci_port scif3_platform_data = {
.mapbase = 0xffe43000,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { gic_spi(91), gic_spi(91),
gic_spi(91), gic_spi(91) },
};
static struct platform_device scif3_device = {
.name = "sh-sci",
.id = 3,
.dev = {
.platform_data = &scif3_platform_data,
},
};
static struct plat_sci_port scif4_platform_data = {
.mapbase = 0xffe44000,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { gic_spi(92), gic_spi(92),
gic_spi(92), gic_spi(92) },
};
static struct platform_device scif4_device = {
.name = "sh-sci",
.id = 4,
.dev = {
.platform_data = &scif4_platform_data,
},
};
static struct plat_sci_port scif5_platform_data = {
.mapbase = 0xffe45000,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { gic_spi(93), gic_spi(93),
gic_spi(93), gic_spi(93) },
};
static struct platform_device scif5_device = {
.name = "sh-sci",
.id = 5,
.dev = {
.platform_data = &scif5_platform_data,
},
};
/* TMU */
static struct sh_timer_config tmu00_platform_data = {
.name = "TMU00",
.channel_offset = 0x4,
.timer_bit = 0,
.clockevent_rating = 200,
};
static struct resource tmu00_resources[] = {
[0] = {
.name = "TMU00",
.start = 0xffd80008,
.end = 0xffd80013,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(32),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device tmu00_device = {
.name = "sh_tmu",
.id = 0,
.dev = {
.platform_data = &tmu00_platform_data,
},
.resource = tmu00_resources,
.num_resources = ARRAY_SIZE(tmu00_resources),
};
static struct sh_timer_config tmu01_platform_data = {
.name = "TMU01",
.channel_offset = 0x10,
.timer_bit = 1,
.clocksource_rating = 200,
};
static struct resource tmu01_resources[] = {
[0] = {
.name = "TMU01",
.start = 0xffd80014,
.end = 0xffd8001f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(33),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device tmu01_device = {
.name = "sh_tmu",
.id = 1,
.dev = {
.platform_data = &tmu01_platform_data,
},
.resource = tmu01_resources,
.num_resources = ARRAY_SIZE(tmu01_resources),
};
static struct platform_device *r8a7779_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
&scif2_device,
&scif3_device,
&scif4_device,
&scif5_device,
&tmu00_device,
&tmu01_device,
};
static struct platform_device *r8a7779_late_devices[] __initdata = {
};
void __init r8a7779_add_standard_devices(void)
{
#ifdef CONFIG_CACHE_L2X0
/* Early BRESP enable, Shared attribute override enable, 64K*16way */
l2x0_init((void __iomem __force *)(0xf0100000), 0x40470000, 0x82000fff);
#endif
r8a7779_pm_init();
r8a7779_init_pm_domains();
platform_add_devices(r8a7779_early_devices,
ARRAY_SIZE(r8a7779_early_devices));
platform_add_devices(r8a7779_late_devices,
ARRAY_SIZE(r8a7779_late_devices));
}
/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
void __init __weak r8a7779_register_twd(void) { }
static void __init r8a7779_earlytimer_init(void)
{
r8a7779_clock_init();
shmobile_earlytimer_init();
r8a7779_register_twd();
}
void __init r8a7779_add_early_devices(void)
{
early_platform_add_devices(r8a7779_early_devices,
ARRAY_SIZE(r8a7779_early_devices));
/* Early serial console setup is not included here due to
* memory map collisions. The SCIF serial ports in r8a7779
* are difficult to entity map 1:1 due to collision with the
* virtual memory range used by the coherent DMA code on ARM.
*
* Anyone wanting to debug early can remove UPF_IOREMAP from
* the sh-sci serial console platform data, adjust mapbase
* to a static M:N virt:phys mapping that needs to be added to
* the mappings passed with iotable_init() above.
*
* Then add a call to shmobile_setup_console() from this function.
*
* As a final step pass earlyprint=sh-sci.2,115200 on the kernel
* command line in case of the marzen board.
*/
/* override timer setup with soc-specific code */
shmobile_timer.init = r8a7779_earlytimer_init;
}
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