forked from Minki/linux
bb6e7d61dd
Now that 'drivers/usb/phy/phy-rcar-usb.c' doesn't require the second memory resource anymore, we can remove it from the R8A7779's USB PHY platform device. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
699 lines
16 KiB
C
699 lines
16 KiB
C
/*
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* r8a7779 processor support
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*
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* Copyright (C) 2011, 2013 Renesas Solutions Corp.
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* Copyright (C) 2011 Magnus Damm
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* Copyright (C) 2013 Cogent Embedded, Inc.
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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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#include <linux/of_platform.h>
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#include <linux/platform_data/gpio-rcar.h>
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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 <linux/dma-mapping.h>
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#include <linux/usb/otg.h>
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#include <linux/usb/hcd.h>
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#include <linux/usb/ehci_pdriver.h>
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#include <linux/usb/ohci_pdriver.h>
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#include <linux/pm_runtime.h>
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#include <mach/hardware.h>
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#include <mach/irqs.h>
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#include <mach/r8a7779.h>
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#include <mach/common.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach/map.h>
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#include <asm/hardware/cache-l2x0.h>
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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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static struct resource r8a7779_pfc_resources[] = {
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DEFINE_RES_MEM(0xfffc0000, 0x023c),
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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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#define R8A7779_GPIO(idx, npins) \
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static struct resource r8a7779_gpio##idx##_resources[] = { \
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DEFINE_RES_MEM(0xffc40000 + (0x1000 * (idx)), 0x002c), \
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DEFINE_RES_IRQ(gic_iid(0xad + (idx))), \
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}; \
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\
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static struct gpio_rcar_config r8a7779_gpio##idx##_platform_data = { \
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.gpio_base = 32 * (idx), \
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.irq_base = 0, \
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.number_of_pins = npins, \
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.pctl_name = "pfc-r8a7779", \
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}; \
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\
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static struct platform_device r8a7779_gpio##idx##_device = { \
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.name = "gpio_rcar", \
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.id = idx, \
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.resource = r8a7779_gpio##idx##_resources, \
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.num_resources = ARRAY_SIZE(r8a7779_gpio##idx##_resources), \
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.dev = { \
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.platform_data = &r8a7779_gpio##idx##_platform_data, \
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}, \
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}
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R8A7779_GPIO(0, 32);
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R8A7779_GPIO(1, 32);
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R8A7779_GPIO(2, 32);
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R8A7779_GPIO(3, 32);
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R8A7779_GPIO(4, 32);
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R8A7779_GPIO(5, 32);
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R8A7779_GPIO(6, 9);
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static struct platform_device *r8a7779_pinctrl_devices[] __initdata = {
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&r8a7779_pfc_device,
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&r8a7779_gpio0_device,
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&r8a7779_gpio1_device,
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&r8a7779_gpio2_device,
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&r8a7779_gpio3_device,
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&r8a7779_gpio4_device,
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&r8a7779_gpio5_device,
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&r8a7779_gpio6_device,
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};
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void __init r8a7779_pinmux_init(void)
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{
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platform_add_devices(r8a7779_pinctrl_devices,
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ARRAY_SIZE(r8a7779_pinctrl_devices));
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}
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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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.irqs = SCIx_IRQ_MUXED(gic_iid(0x78)),
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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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.irqs = SCIx_IRQ_MUXED(gic_iid(0x79)),
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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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.irqs = SCIx_IRQ_MUXED(gic_iid(0x7a)),
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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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.irqs = SCIx_IRQ_MUXED(gic_iid(0x7b)),
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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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.irqs = SCIx_IRQ_MUXED(gic_iid(0x7c)),
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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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.irqs = SCIx_IRQ_MUXED(gic_iid(0x7d)),
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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_iid(0x40),
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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_iid(0x41),
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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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/* 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_iid(0x6f),
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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_iid(0x72),
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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_iid(0x70),
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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_iid(0x71),
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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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static struct resource sata_resources[] = {
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[0] = {
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.name = "rcar-sata",
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.start = 0xfc600000,
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.end = 0xfc601fff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_iid(0x84),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sata_device = {
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.name = "sata_rcar",
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.id = -1,
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.resource = sata_resources,
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.num_resources = ARRAY_SIZE(sata_resources),
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.dev = {
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.dma_mask = &sata_device.dev.coherent_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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/* USB PHY */
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static struct resource usb_phy_resources[] = {
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[0] = {
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.start = 0xffe70000,
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.end = 0xffe70900 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device usb_phy_device = {
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.name = "rcar_usb_phy",
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.id = -1,
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.resource = usb_phy_resources,
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.num_resources = ARRAY_SIZE(usb_phy_resources),
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};
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/* USB */
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static struct usb_phy *phy;
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static int usb_power_on(struct platform_device *pdev)
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{
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if (IS_ERR(phy))
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return PTR_ERR(phy);
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pm_runtime_enable(&pdev->dev);
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pm_runtime_get_sync(&pdev->dev);
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usb_phy_init(phy);
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return 0;
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}
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static void usb_power_off(struct platform_device *pdev)
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{
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if (IS_ERR(phy))
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return;
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usb_phy_shutdown(phy);
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pm_runtime_put_sync(&pdev->dev);
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pm_runtime_disable(&pdev->dev);
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}
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static int ehci_init_internal_buffer(struct usb_hcd *hcd)
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{
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/*
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* Below are recommended values from the datasheet;
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* see [USB :: Setting of EHCI Internal Buffer].
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*/
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/* EHCI IP internal buffer setting */
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iowrite32(0x00ff0040, hcd->regs + 0x0094);
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/* EHCI IP internal buffer enable */
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iowrite32(0x00000001, hcd->regs + 0x009C);
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return 0;
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}
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static struct usb_ehci_pdata ehcix_pdata = {
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.power_on = usb_power_on,
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.power_off = usb_power_off,
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.power_suspend = usb_power_off,
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.pre_setup = ehci_init_internal_buffer,
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};
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static struct resource ehci0_resources[] = {
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[0] = {
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.start = 0xffe70000,
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.end = 0xffe70400 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_iid(0x4c),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ehci0_device = {
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.name = "ehci-platform",
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.id = 0,
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.dev = {
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.dma_mask = &ehci0_device.dev.coherent_dma_mask,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &ehcix_pdata,
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},
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.num_resources = ARRAY_SIZE(ehci0_resources),
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.resource = ehci0_resources,
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};
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static struct resource ehci1_resources[] = {
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[0] = {
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.start = 0xfff70000,
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.end = 0xfff70400 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_iid(0x4d),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ehci1_device = {
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.name = "ehci-platform",
|
|
.id = 1,
|
|
.dev = {
|
|
.dma_mask = &ehci1_device.dev.coherent_dma_mask,
|
|
.coherent_dma_mask = 0xffffffff,
|
|
.platform_data = &ehcix_pdata,
|
|
},
|
|
.num_resources = ARRAY_SIZE(ehci1_resources),
|
|
.resource = ehci1_resources,
|
|
};
|
|
|
|
static struct usb_ohci_pdata ohcix_pdata = {
|
|
.power_on = usb_power_on,
|
|
.power_off = usb_power_off,
|
|
.power_suspend = usb_power_off,
|
|
};
|
|
|
|
static struct resource ohci0_resources[] = {
|
|
[0] = {
|
|
.start = 0xffe70400,
|
|
.end = 0xffe70800 - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = gic_iid(0x4c),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device ohci0_device = {
|
|
.name = "ohci-platform",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &ohci0_device.dev.coherent_dma_mask,
|
|
.coherent_dma_mask = 0xffffffff,
|
|
.platform_data = &ohcix_pdata,
|
|
},
|
|
.num_resources = ARRAY_SIZE(ohci0_resources),
|
|
.resource = ohci0_resources,
|
|
};
|
|
|
|
static struct resource ohci1_resources[] = {
|
|
[0] = {
|
|
.start = 0xfff70400,
|
|
.end = 0xfff70800 - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = gic_iid(0x4d),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device ohci1_device = {
|
|
.name = "ohci-platform",
|
|
.id = 1,
|
|
.dev = {
|
|
.dma_mask = &ohci1_device.dev.coherent_dma_mask,
|
|
.coherent_dma_mask = 0xffffffff,
|
|
.platform_data = &ohcix_pdata,
|
|
},
|
|
.num_resources = ARRAY_SIZE(ohci1_resources),
|
|
.resource = ohci1_resources,
|
|
};
|
|
|
|
/* Ether */
|
|
static struct resource ether_resources[] = {
|
|
{
|
|
.start = 0xfde00000,
|
|
.end = 0xfde003ff,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = gic_iid(0xb4),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *r8a7779_devices_dt[] __initdata = {
|
|
&scif0_device,
|
|
&scif1_device,
|
|
&scif2_device,
|
|
&scif3_device,
|
|
&scif4_device,
|
|
&scif5_device,
|
|
&tmu00_device,
|
|
&tmu01_device,
|
|
&usb_phy_device,
|
|
};
|
|
|
|
static struct platform_device *r8a7779_standard_devices[] __initdata = {
|
|
&i2c0_device,
|
|
&i2c1_device,
|
|
&i2c2_device,
|
|
&i2c3_device,
|
|
&sata_device,
|
|
};
|
|
|
|
void __init r8a7779_add_standard_devices(void)
|
|
{
|
|
#ifdef CONFIG_CACHE_L2X0
|
|
/* Early BRESP enable, Shared attribute override enable, 64K*16way */
|
|
l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff);
|
|
#endif
|
|
r8a7779_pm_init();
|
|
|
|
r8a7779_init_pm_domains();
|
|
|
|
platform_add_devices(r8a7779_devices_dt,
|
|
ARRAY_SIZE(r8a7779_devices_dt));
|
|
platform_add_devices(r8a7779_standard_devices,
|
|
ARRAY_SIZE(r8a7779_standard_devices));
|
|
}
|
|
|
|
void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata)
|
|
{
|
|
platform_device_register_resndata(&platform_bus, "sh_eth", -1,
|
|
ether_resources,
|
|
ARRAY_SIZE(ether_resources),
|
|
pdata, sizeof(*pdata));
|
|
}
|
|
|
|
/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
|
|
void __init __weak r8a7779_register_twd(void) { }
|
|
|
|
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_devices_dt,
|
|
ARRAY_SIZE(r8a7779_devices_dt));
|
|
|
|
/* 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.
|
|
*/
|
|
}
|
|
|
|
static struct platform_device *r8a7779_late_devices[] __initdata = {
|
|
&ehci0_device,
|
|
&ehci1_device,
|
|
&ohci0_device,
|
|
&ohci1_device,
|
|
};
|
|
|
|
void __init r8a7779_init_late(void)
|
|
{
|
|
/* get USB PHY */
|
|
phy = usb_get_phy(USB_PHY_TYPE_USB2);
|
|
|
|
shmobile_init_late();
|
|
platform_add_devices(r8a7779_late_devices,
|
|
ARRAY_SIZE(r8a7779_late_devices));
|
|
}
|
|
|
|
#ifdef CONFIG_USE_OF
|
|
void __init r8a7779_init_delay(void)
|
|
{
|
|
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();
|
|
|
|
platform_add_devices(r8a7779_devices_dt,
|
|
ARRAY_SIZE(r8a7779_devices_dt));
|
|
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(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
|
|
.map_io = r8a7779_map_io,
|
|
.init_early = r8a7779_init_delay,
|
|
.nr_irqs = NR_IRQS_LEGACY,
|
|
.init_irq = r8a7779_init_irq_dt,
|
|
.init_machine = r8a7779_add_standard_devices_dt,
|
|
.init_time = shmobile_timer_init,
|
|
.init_late = r8a7779_init_late,
|
|
.dt_compat = r8a7779_compat_dt,
|
|
MACHINE_END
|
|
#endif /* CONFIG_USE_OF */
|