diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-marzen.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-marzen.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c new file mode 100644 index 000000000000..f0e02c0ce99f --- /dev/null +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -0,0 +1,157 @@ +/* + * marzen board support + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/dma-mapping.h> +#include <linux/smsc911x.h> +#include <mach/hardware.h> +#include <mach/r8a7779.h> +#include <mach/common.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/hardware/gic.h> +#include <asm/traps.h> + +/* SMSC LAN89218 */ +static struct resource smsc911x_resources[] = { + [0] = { + .start = 0x18000000, /* ExCS0 */ + .end = 0x180000ff, /* A1->A7 */ + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(28), /* IRQ 1 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct smsc911x_platform_config smsc911x_platdata = { + .flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */ + .phy_interface = PHY_INTERFACE_MODE_MII, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, +}; + +static struct platform_device eth_device = { + .name = "smsc911x", + .id = 0, + .dev = { + .platform_data = &smsc911x_platdata, + }, + .resource = smsc911x_resources, + .num_resources = ARRAY_SIZE(smsc911x_resources), +}; + +static struct platform_device *marzen_devices[] __initdata = { + ð_device, +}; + +static struct map_desc marzen_io_desc[] __initdata = { + /* 2M entity map for 0xf0000000 (MPCORE) */ + { + .virtual = 0xf0000000, + .pfn = __phys_to_pfn(0xf0000000), + .length = SZ_2M, + .type = MT_DEVICE_NONSHARED + }, + /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */ + { + .virtual = 0xfe000000, + .pfn = __phys_to_pfn(0xfe000000), + .length = SZ_16M, + .type = MT_DEVICE_NONSHARED + }, +}; + +static void __init marzen_map_io(void) +{ + iotable_init(marzen_io_desc, ARRAY_SIZE(marzen_io_desc)); +} + +static void __init marzen_init_early(void) +{ + r8a7779_add_early_devices(); + + /* 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. + */ +} + +static void __init marzen_init(void) +{ + r8a7779_pinmux_init(); + + /* SCIF2 (CN18: DEBUG0) */ + gpio_request(GPIO_FN_TX2_C, NULL); + gpio_request(GPIO_FN_RX2_C, NULL); + + /* SCIF4 (CN19: DEBUG1) */ + gpio_request(GPIO_FN_TX4, NULL); + gpio_request(GPIO_FN_RX4, NULL); + + /* LAN89218 */ + gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */ + gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */ + + r8a7779_add_standard_devices(); + platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices)); +} + +static void __init marzen_timer_init(void) +{ + r8a7779_clock_init(); + shmobile_timer.init(); + return; +} + +struct sys_timer marzen_timer = { + .init = marzen_timer_init, +}; + +MACHINE_START(MARZEN, "marzen") + .map_io = marzen_map_io, + .init_early = marzen_init_early, + .nr_irqs = NR_IRQS_LEGACY, + .init_irq = r8a7779_init_irq, + .handle_irq = gic_handle_irq, + .init_machine = marzen_init, + .timer = &marzen_timer, +MACHINE_END |