161 lines
4.8 KiB
C
161 lines
4.8 KiB
C
/*
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* Genmai board support
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*
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* Copyright (C) 2013-2014 Renesas Solutions Corp.
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* Copyright (C) 2013 Magnus Damm
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* Copyright (C) 2014 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/platform_device.h>
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#include <linux/serial_sci.h>
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#include <linux/sh_eth.h>
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#include <linux/spi/rspi.h>
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#include <linux/spi/spi.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/r7s72100.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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/* Ether */
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static const struct sh_eth_plat_data ether_pdata __initconst = {
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.phy = 0x00, /* PD60610 */
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.edmac_endian = EDMAC_LITTLE_ENDIAN,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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.no_ether_link = 1
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};
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static const struct resource ether_resources[] __initconst = {
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DEFINE_RES_MEM(0xe8203000, 0x800),
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DEFINE_RES_MEM(0xe8204800, 0x200),
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DEFINE_RES_IRQ(gic_iid(359)),
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};
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static const struct platform_device_info ether_info __initconst = {
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.parent = &platform_bus,
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.name = "r7s72100-ether",
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.id = -1,
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.res = ether_resources,
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.num_res = ARRAY_SIZE(ether_resources),
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.data = ðer_pdata,
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.size_data = sizeof(ether_pdata),
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.dma_mask = DMA_BIT_MASK(32),
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};
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/* RSPI */
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#define RSPI_RESOURCE(idx, baseaddr, irq) \
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static const struct resource rspi##idx##_resources[] __initconst = { \
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DEFINE_RES_MEM(baseaddr, 0x24), \
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DEFINE_RES_IRQ_NAMED(irq, "error"), \
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DEFINE_RES_IRQ_NAMED(irq + 1, "rx"), \
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DEFINE_RES_IRQ_NAMED(irq + 2, "tx"), \
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}
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RSPI_RESOURCE(0, 0xe800c800, gic_iid(270));
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RSPI_RESOURCE(1, 0xe800d000, gic_iid(273));
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RSPI_RESOURCE(2, 0xe800d800, gic_iid(276));
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RSPI_RESOURCE(3, 0xe800e000, gic_iid(279));
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RSPI_RESOURCE(4, 0xe800e800, gic_iid(282));
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static const struct rspi_plat_data rspi_pdata __initconst = {
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.num_chipselect = 1,
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};
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#define r7s72100_register_rspi(idx) \
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platform_device_register_resndata(&platform_bus, "rspi-rz", idx, \
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rspi##idx##_resources, \
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ARRAY_SIZE(rspi##idx##_resources), \
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&rspi_pdata, sizeof(rspi_pdata))
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static const struct spi_board_info spi_info[] __initconst = {
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{
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.modalias = "wm8978",
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.max_speed_hz = 5000000,
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.bus_num = 4,
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.chip_select = 0,
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},
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};
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/* SCIF */
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#define R7S72100_SCIF(index, baseaddr, irq) \
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static const struct plat_sci_port scif##index##_platform_data = { \
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.type = PORT_SCIF, \
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.regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, \
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \
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.scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE | \
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SCSCR_REIE, \
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}; \
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\
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static struct resource scif##index##_resources[] = { \
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DEFINE_RES_MEM(baseaddr, 0x100), \
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DEFINE_RES_IRQ(irq + 1), \
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DEFINE_RES_IRQ(irq + 2), \
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DEFINE_RES_IRQ(irq + 3), \
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DEFINE_RES_IRQ(irq), \
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} \
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R7S72100_SCIF(0, 0xe8007000, gic_iid(221));
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R7S72100_SCIF(1, 0xe8007800, gic_iid(225));
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R7S72100_SCIF(2, 0xe8008000, gic_iid(229));
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R7S72100_SCIF(3, 0xe8008800, gic_iid(233));
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R7S72100_SCIF(4, 0xe8009000, gic_iid(237));
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R7S72100_SCIF(5, 0xe8009800, gic_iid(241));
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R7S72100_SCIF(6, 0xe800a000, gic_iid(245));
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R7S72100_SCIF(7, 0xe800a800, gic_iid(249));
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#define r7s72100_register_scif(index) \
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platform_device_register_resndata(&platform_bus, "sh-sci", index, \
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scif##index##_resources, \
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ARRAY_SIZE(scif##index##_resources), \
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&scif##index##_platform_data, \
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sizeof(scif##index##_platform_data))
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static void __init genmai_add_standard_devices(void)
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{
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r7s72100_clock_init();
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r7s72100_add_dt_devices();
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platform_device_register_full(ðer_info);
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r7s72100_register_rspi(0);
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r7s72100_register_rspi(1);
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r7s72100_register_rspi(2);
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r7s72100_register_rspi(3);
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r7s72100_register_rspi(4);
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spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));
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r7s72100_register_scif(0);
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r7s72100_register_scif(1);
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r7s72100_register_scif(2);
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r7s72100_register_scif(3);
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r7s72100_register_scif(4);
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r7s72100_register_scif(5);
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r7s72100_register_scif(6);
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r7s72100_register_scif(7);
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}
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static const char * const genmai_boards_compat_dt[] __initconst = {
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"renesas,genmai",
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NULL,
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};
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DT_MACHINE_START(GENMAI_DT, "genmai")
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.init_early = r7s72100_init_early,
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.init_machine = genmai_add_standard_devices,
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.dt_compat = genmai_boards_compat_dt,
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MACHINE_END
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