82 строки
2.3 KiB
C
82 строки
2.3 KiB
C
/*
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* Bock-W board support
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*
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* Copyright (C) 2013 Renesas Solutions Corp.
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* Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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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/platform_device.h>
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#include <linux/smsc911x.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/r8a7778.h>
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#include <asm/mach/arch.h>
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static struct smsc911x_platform_config smsc911x_data = {
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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.flags = SMSC911X_USE_32BIT,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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};
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static struct resource smsc911x_resources[] = {
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DEFINE_RES_MEM(0x18300000, 0x1000),
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DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */
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};
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#define IRQ0MR 0x30
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static void __init bockw_init(void)
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{
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void __iomem *fpga;
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r8a7778_clock_init();
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r8a7778_init_irq_extpin(1);
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r8a7778_add_standard_devices();
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fpga = ioremap_nocache(0x18200000, SZ_1M);
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if (fpga) {
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/*
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* CAUTION
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*
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* IRQ0/1 is cascaded interrupt from FPGA.
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* it should be cared in the future
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* Now, it is assuming IRQ0 was used only from SMSC.
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*/
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u16 val = ioread16(fpga + IRQ0MR);
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val &= ~(1 << 4); /* enable SMSC911x */
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iowrite16(val, fpga + IRQ0MR);
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iounmap(fpga);
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platform_device_register_resndata(
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&platform_bus, "smsc911x", -1,
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smsc911x_resources, ARRAY_SIZE(smsc911x_resources),
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&smsc911x_data, sizeof(smsc911x_data));
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}
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}
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static const char *bockw_boards_compat_dt[] __initdata = {
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"renesas,bockw",
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NULL,
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};
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DT_MACHINE_START(BOCKW_DT, "bockw")
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.init_early = r8a7778_init_delay,
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.init_irq = r8a7778_init_irq_dt,
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.init_machine = bockw_init,
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.init_time = shmobile_timer_init,
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.dt_compat = bockw_boards_compat_dt,
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MACHINE_END
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