2011-12-13 23:36:12 +07:00
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/*
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* r8a7779 processor support
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*
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* Copyright (C) 2011 Renesas Solutions Corp.
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* Copyright (C) 2011 Magnus Damm
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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/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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2012-11-21 20:00:15 +07:00
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#include <linux/of_platform.h>
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2011-12-13 23:36:12 +07:00
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/input.h>
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#include <linux/io.h>
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#include <linux/serial_sci.h>
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#include <linux/sh_intc.h>
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#include <linux/sh_timer.h>
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#include <mach/hardware.h>
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2012-01-04 05:57:33 +07:00
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#include <mach/irqs.h>
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2011-12-13 23:36:12 +07:00
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#include <mach/r8a7779.h>
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2012-01-10 13:50:01 +07:00
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#include <mach/common.h>
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2011-12-13 23:36:12 +07:00
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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2012-03-06 15:37:01 +07:00
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#include <asm/mach/time.h>
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2012-02-29 19:37:43 +07:00
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#include <asm/mach/map.h>
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2012-03-01 10:48:03 +07:00
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#include <asm/hardware/cache-l2x0.h>
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2012-02-29 19:37:43 +07:00
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static struct map_desc r8a7779_io_desc[] __initdata = {
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/* 2M entity map for 0xf0000000 (MPCORE) */
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{
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.virtual = 0xf0000000,
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.pfn = __phys_to_pfn(0xf0000000),
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.length = SZ_2M,
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.type = MT_DEVICE_NONSHARED
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},
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/* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */
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{
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.virtual = 0xfe000000,
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.pfn = __phys_to_pfn(0xfe000000),
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.length = SZ_16M,
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.type = MT_DEVICE_NONSHARED
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},
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};
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void __init r8a7779_map_io(void)
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{
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iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc));
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}
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2011-12-13 23:36:12 +07:00
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2012-12-16 05:51:26 +07:00
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static struct resource r8a7779_pfc_resources[] = {
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[0] = {
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.start = 0xfffc0000,
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.end = 0xfffc023b,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 0xffc40000,
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.end = 0xffc46fff,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device r8a7779_pfc_device = {
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.name = "pfc-r8a7779",
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.id = -1,
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.resource = r8a7779_pfc_resources,
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.num_resources = ARRAY_SIZE(r8a7779_pfc_resources),
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};
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void __init r8a7779_pinmux_init(void)
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{
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platform_device_register(&r8a7779_pfc_device);
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}
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2011-12-13 23:36:12 +07:00
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static struct plat_sci_port scif0_platform_data = {
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.mapbase = 0xffe40000,
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
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.scbrr_algo_id = SCBRR_ALGO_2,
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.type = PORT_SCIF,
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2013-01-18 16:40:42 +07:00
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.irqs = SCIx_IRQ_MUXED(gic_spi(88)),
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2011-12-13 23:36:12 +07:00
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};
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static struct platform_device scif0_device = {
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.name = "sh-sci",
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.id = 0,
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.dev = {
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.platform_data = &scif0_platform_data,
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},
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};
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static struct plat_sci_port scif1_platform_data = {
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.mapbase = 0xffe41000,
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
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.scbrr_algo_id = SCBRR_ALGO_2,
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.type = PORT_SCIF,
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2013-01-18 16:40:42 +07:00
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.irqs = SCIx_IRQ_MUXED(gic_spi(89)),
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2011-12-13 23:36:12 +07:00
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};
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static struct platform_device scif1_device = {
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.name = "sh-sci",
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.id = 1,
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.dev = {
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.platform_data = &scif1_platform_data,
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},
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};
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static struct plat_sci_port scif2_platform_data = {
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.mapbase = 0xffe42000,
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
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.scbrr_algo_id = SCBRR_ALGO_2,
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.type = PORT_SCIF,
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2013-01-18 16:40:42 +07:00
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.irqs = SCIx_IRQ_MUXED(gic_spi(90)),
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2011-12-13 23:36:12 +07:00
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};
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static struct platform_device scif2_device = {
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.name = "sh-sci",
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.id = 2,
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.dev = {
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.platform_data = &scif2_platform_data,
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},
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};
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static struct plat_sci_port scif3_platform_data = {
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.mapbase = 0xffe43000,
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
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.scbrr_algo_id = SCBRR_ALGO_2,
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.type = PORT_SCIF,
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2013-01-18 16:40:42 +07:00
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.irqs = SCIx_IRQ_MUXED(gic_spi(91)),
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2011-12-13 23:36:12 +07:00
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};
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static struct platform_device scif3_device = {
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.name = "sh-sci",
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.id = 3,
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.dev = {
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.platform_data = &scif3_platform_data,
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},
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};
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static struct plat_sci_port scif4_platform_data = {
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.mapbase = 0xffe44000,
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
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.scbrr_algo_id = SCBRR_ALGO_2,
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.type = PORT_SCIF,
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2013-01-18 16:40:42 +07:00
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.irqs = SCIx_IRQ_MUXED(gic_spi(92)),
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2011-12-13 23:36:12 +07:00
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};
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static struct platform_device scif4_device = {
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.name = "sh-sci",
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.id = 4,
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.dev = {
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.platform_data = &scif4_platform_data,
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},
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};
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static struct plat_sci_port scif5_platform_data = {
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.mapbase = 0xffe45000,
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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.scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
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.scbrr_algo_id = SCBRR_ALGO_2,
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.type = PORT_SCIF,
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2013-01-18 16:40:42 +07:00
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.irqs = SCIx_IRQ_MUXED(gic_spi(93)),
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2011-12-13 23:36:12 +07:00
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};
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static struct platform_device scif5_device = {
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.name = "sh-sci",
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.id = 5,
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.dev = {
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.platform_data = &scif5_platform_data,
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},
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};
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/* TMU */
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static struct sh_timer_config tmu00_platform_data = {
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.name = "TMU00",
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.channel_offset = 0x4,
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.timer_bit = 0,
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.clockevent_rating = 200,
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};
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static struct resource tmu00_resources[] = {
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[0] = {
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.name = "TMU00",
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.start = 0xffd80008,
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.end = 0xffd80013,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(32),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device tmu00_device = {
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.name = "sh_tmu",
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.id = 0,
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.dev = {
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.platform_data = &tmu00_platform_data,
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},
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.resource = tmu00_resources,
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.num_resources = ARRAY_SIZE(tmu00_resources),
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};
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static struct sh_timer_config tmu01_platform_data = {
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.name = "TMU01",
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.channel_offset = 0x10,
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.timer_bit = 1,
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.clocksource_rating = 200,
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};
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static struct resource tmu01_resources[] = {
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[0] = {
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.name = "TMU01",
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.start = 0xffd80014,
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.end = 0xffd8001f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(33),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device tmu01_device = {
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.name = "sh_tmu",
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.id = 1,
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.dev = {
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.platform_data = &tmu01_platform_data,
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},
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.resource = tmu01_resources,
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.num_resources = ARRAY_SIZE(tmu01_resources),
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};
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2012-10-11 09:56:51 +07:00
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/* I2C */
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static struct resource rcar_i2c0_res[] = {
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{
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.start = 0xffc70000,
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.end = 0xffc70fff,
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.flags = IORESOURCE_MEM,
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}, {
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.start = gic_spi(79),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device i2c0_device = {
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.name = "i2c-rcar",
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.id = 0,
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.resource = rcar_i2c0_res,
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.num_resources = ARRAY_SIZE(rcar_i2c0_res),
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};
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static struct resource rcar_i2c1_res[] = {
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{
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.start = 0xffc71000,
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.end = 0xffc71fff,
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.flags = IORESOURCE_MEM,
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}, {
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.start = gic_spi(82),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device i2c1_device = {
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.name = "i2c-rcar",
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.id = 1,
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.resource = rcar_i2c1_res,
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.num_resources = ARRAY_SIZE(rcar_i2c1_res),
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};
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static struct resource rcar_i2c2_res[] = {
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{
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.start = 0xffc72000,
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.end = 0xffc72fff,
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.flags = IORESOURCE_MEM,
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}, {
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.start = gic_spi(80),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device i2c2_device = {
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.name = "i2c-rcar",
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.id = 2,
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.resource = rcar_i2c2_res,
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.num_resources = ARRAY_SIZE(rcar_i2c2_res),
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};
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static struct resource rcar_i2c3_res[] = {
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{
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.start = 0xffc73000,
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.end = 0xffc73fff,
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.flags = IORESOURCE_MEM,
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}, {
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.start = gic_spi(81),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device i2c3_device = {
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.name = "i2c-rcar",
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.id = 3,
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.resource = rcar_i2c3_res,
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.num_resources = ARRAY_SIZE(rcar_i2c3_res),
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};
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2013-02-19 08:53:05 +07:00
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static struct platform_device *r8a7779_devices_dt[] __initdata = {
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2011-12-13 23:36:12 +07:00
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&scif0_device,
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&scif1_device,
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&scif2_device,
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&scif3_device,
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&scif4_device,
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&scif5_device,
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&tmu00_device,
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&tmu01_device,
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2012-11-21 20:00:15 +07:00
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};
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2013-02-19 08:53:05 +07:00
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static struct platform_device *r8a7779_late_devices[] __initdata = {
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2012-10-11 09:56:51 +07:00
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&i2c0_device,
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&i2c1_device,
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&i2c2_device,
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&i2c3_device,
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2011-12-13 23:36:12 +07:00
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};
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void __init r8a7779_add_standard_devices(void)
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{
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2012-03-01 10:48:03 +07:00
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#ifdef CONFIG_CACHE_L2X0
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|
|
/* Early BRESP enable, Shared attribute override enable, 64K*16way */
|
2012-10-15 13:35:24 +07:00
|
|
|
l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff);
|
2012-03-01 10:48:03 +07:00
|
|
|
#endif
|
2012-01-10 13:50:01 +07:00
|
|
|
r8a7779_pm_init();
|
|
|
|
|
2012-08-07 06:14:14 +07:00
|
|
|
r8a7779_init_pm_domains();
|
2012-01-10 13:50:01 +07:00
|
|
|
|
2013-02-19 08:53:05 +07:00
|
|
|
platform_add_devices(r8a7779_devices_dt,
|
|
|
|
ARRAY_SIZE(r8a7779_devices_dt));
|
2013-02-19 08:53:05 +07:00
|
|
|
platform_add_devices(r8a7779_late_devices,
|
|
|
|
ARRAY_SIZE(r8a7779_late_devices));
|
2011-12-13 23:36:12 +07:00
|
|
|
}
|
|
|
|
|
2012-05-10 12:57:22 +07:00
|
|
|
/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
|
|
|
|
void __init __weak r8a7779_register_twd(void) { }
|
|
|
|
|
2012-11-09 02:40:59 +07:00
|
|
|
void __init r8a7779_earlytimer_init(void)
|
2012-03-06 15:37:01 +07:00
|
|
|
{
|
|
|
|
r8a7779_clock_init();
|
|
|
|
shmobile_earlytimer_init();
|
2012-05-10 12:57:22 +07:00
|
|
|
r8a7779_register_twd();
|
2012-03-06 15:37:01 +07:00
|
|
|
}
|
|
|
|
|
2011-12-13 23:36:12 +07:00
|
|
|
void __init r8a7779_add_early_devices(void)
|
|
|
|
{
|
2013-02-19 08:53:05 +07:00
|
|
|
early_platform_add_devices(r8a7779_devices_dt,
|
|
|
|
ARRAY_SIZE(r8a7779_devices_dt));
|
2012-02-29 19:37:43 +07:00
|
|
|
|
|
|
|
/* 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.
|
|
|
|
*/
|
2011-12-13 23:36:12 +07:00
|
|
|
}
|
2012-11-21 20:00:15 +07:00
|
|
|
|
|
|
|
#ifdef CONFIG_USE_OF
|
2013-02-19 08:53:05 +07:00
|
|
|
void __init r8a7779_init_delay(void)
|
2012-11-21 20:00:15 +07:00
|
|
|
{
|
|
|
|
shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct of_dev_auxdata r8a7779_auxdata_lookup[] __initconst = {
|
|
|
|
{},
|
|
|
|
};
|
|
|
|
|
|
|
|
void __init r8a7779_add_standard_devices_dt(void)
|
|
|
|
{
|
|
|
|
/* clocks are setup late during boot in the case of DT */
|
|
|
|
r8a7779_clock_init();
|
|
|
|
|
2013-02-19 08:53:05 +07:00
|
|
|
platform_add_devices(r8a7779_devices_dt,
|
|
|
|
ARRAY_SIZE(r8a7779_devices_dt));
|
2012-11-21 20:00:15 +07:00
|
|
|
of_platform_populate(NULL, of_default_bus_match_table,
|
|
|
|
r8a7779_auxdata_lookup, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const char *r8a7779_compat_dt[] __initdata = {
|
|
|
|
"renesas,r8a7779",
|
|
|
|
NULL,
|
|
|
|
};
|
|
|
|
|
|
|
|
DT_MACHINE_START(SH73A0_DT, "Generic R8A7779 (Flattened Device Tree)")
|
|
|
|
.map_io = r8a7779_map_io,
|
2013-02-19 08:53:05 +07:00
|
|
|
.init_early = r8a7779_init_delay,
|
2012-11-21 20:00:15 +07:00
|
|
|
.nr_irqs = NR_IRQS_LEGACY,
|
|
|
|
.init_irq = r8a7779_init_irq_dt,
|
|
|
|
.init_machine = r8a7779_add_standard_devices_dt,
|
|
|
|
.init_time = shmobile_timer_init,
|
|
|
|
.dt_compat = r8a7779_compat_dt,
|
|
|
|
MACHINE_END
|
|
|
|
#endif /* CONFIG_USE_OF */
|