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- /*
- * Bock-W board support
- *
- * Copyright (C) 2013 Renesas Solutions Corp.
- * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- *
- * 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/of_platform.h>
- #include <linux/pinctrl/machine.h>
- #include <mach/common.h>
- #include <mach/r8a7778.h>
- #include <asm/mach/arch.h>
- /*
- * see board-bock.c for checking detail of dip-switch
- */
- static const struct pinctrl_map bockw_pinctrl_map[] = {
- /* SCIF0 */
- PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
- "scif0_data_a", "scif0"),
- PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
- "scif0_ctrl", "scif0"),
- };
- #define FPGA 0x18200000
- #define IRQ0MR 0x30
- #define COMCTLR 0x101c
- static void __init bockw_init(void)
- {
- static void __iomem *fpga;
- r8a7778_clock_init();
- r8a7778_init_irq_extpin_dt(1);
- pinctrl_register_mappings(bockw_pinctrl_map,
- ARRAY_SIZE(bockw_pinctrl_map));
- r8a7778_pinmux_init();
- r8a7778_add_dt_devices();
- fpga = ioremap_nocache(FPGA, SZ_1M);
- if (fpga) {
- /*
- * CAUTION
- *
- * IRQ0/1 is cascaded interrupt from FPGA.
- * it should be cared in the future
- * Now, it is assuming IRQ0 was used only from SMSC.
- */
- u16 val = ioread16(fpga + IRQ0MR);
- val &= ~(1 << 4); /* enable SMSC911x */
- iowrite16(val, fpga + IRQ0MR);
- }
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
- }
- static const char *bockw_boards_compat_dt[] __initdata = {
- "renesas,bockw-reference",
- NULL,
- };
- DT_MACHINE_START(BOCKW_DT, "bockw")
- .init_early = r8a7778_init_delay,
- .init_irq = r8a7778_init_irq_dt,
- .init_machine = bockw_init,
- .dt_compat = bockw_boards_compat_dt,
- MACHINE_END
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