diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-bockw.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-bockw.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c new file mode 100644 index 000000000000..38e5e50fb318 --- /dev/null +++ b/arch/arm/mach-shmobile/board-bockw.c @@ -0,0 +1,81 @@ +/* + * 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/platform_device.h> +#include <linux/smsc911x.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r8a7778.h> +#include <asm/mach/arch.h> + +static struct smsc911x_platform_config smsc911x_data = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, + .flags = SMSC911X_USE_32BIT, + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct resource smsc911x_resources[] = { + DEFINE_RES_MEM(0x18300000, 0x1000), + DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */ +}; + +#define IRQ0MR 0x30 +static void __init bockw_init(void) +{ + void __iomem *fpga; + + r8a7778_clock_init(); + r8a7778_init_irq_extpin(1); + r8a7778_add_standard_devices(); + + fpga = ioremap_nocache(0x18200000, 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); + iounmap(fpga); + + platform_device_register_resndata( + &platform_bus, "smsc911x", -1, + smsc911x_resources, ARRAY_SIZE(smsc911x_resources), + &smsc911x_data, sizeof(smsc911x_data)); + } +} + +static const char *bockw_boards_compat_dt[] __initdata = { + "renesas,bockw", + NULL, +}; + +DT_MACHINE_START(BOCKW_DT, "bockw") + .init_early = r8a7778_init_delay, + .init_irq = r8a7778_init_irq_dt, + .init_machine = bockw_init, + .init_time = shmobile_timer_init, + .dt_compat = bockw_boards_compat_dt, +MACHINE_END |