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- /*
- * Emma Mobile EV2 processor support
- *
- * Copyright (C) 2012 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/platform_data/gpio-em.h>
- #include <linux/of_platform.h>
- #include <linux/delay.h>
- #include <linux/input.h>
- #include <linux/io.h>
- #include <linux/of_irq.h>
- #include <mach/hardware.h>
- #include <mach/common.h>
- #include <mach/emev2.h>
- #include <mach/irqs.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>
- static struct map_desc emev2_io_desc[] __initdata = {
- #ifdef CONFIG_SMP
- /* 128K entity map for 0xe0100000 (SMU) */
- {
- .virtual = 0xe0100000,
- .pfn = __phys_to_pfn(0xe0100000),
- .length = SZ_128K,
- .type = MT_DEVICE
- },
- /* 2M mapping for SCU + L2 controller */
- {
- .virtual = 0xf0000000,
- .pfn = __phys_to_pfn(0x1e000000),
- .length = SZ_2M,
- .type = MT_DEVICE
- },
- #endif
- };
- void __init emev2_map_io(void)
- {
- iotable_init(emev2_io_desc, ARRAY_SIZE(emev2_io_desc));
- }
- /* UART */
- static struct resource uart0_resources[] = {
- [0] = {
- .start = 0xe1020000,
- .end = 0xe1020037,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 40,
- .flags = IORESOURCE_IRQ,
- }
- };
- static struct platform_device uart0_device = {
- .name = "serial8250-em",
- .id = 0,
- .num_resources = ARRAY_SIZE(uart0_resources),
- .resource = uart0_resources,
- };
- static struct resource uart1_resources[] = {
- [0] = {
- .start = 0xe1030000,
- .end = 0xe1030037,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 41,
- .flags = IORESOURCE_IRQ,
- }
- };
- static struct platform_device uart1_device = {
- .name = "serial8250-em",
- .id = 1,
- .num_resources = ARRAY_SIZE(uart1_resources),
- .resource = uart1_resources,
- };
- static struct resource uart2_resources[] = {
- [0] = {
- .start = 0xe1040000,
- .end = 0xe1040037,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 42,
- .flags = IORESOURCE_IRQ,
- }
- };
- static struct platform_device uart2_device = {
- .name = "serial8250-em",
- .id = 2,
- .num_resources = ARRAY_SIZE(uart2_resources),
- .resource = uart2_resources,
- };
- static struct resource uart3_resources[] = {
- [0] = {
- .start = 0xe1050000,
- .end = 0xe1050037,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 43,
- .flags = IORESOURCE_IRQ,
- }
- };
- static struct platform_device uart3_device = {
- .name = "serial8250-em",
- .id = 3,
- .num_resources = ARRAY_SIZE(uart3_resources),
- .resource = uart3_resources,
- };
- /* STI */
- static struct resource sti_resources[] = {
- [0] = {
- .name = "STI",
- .start = 0xe0180000,
- .end = 0xe0180053,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 157,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device sti_device = {
- .name = "em_sti",
- .id = 0,
- .resource = sti_resources,
- .num_resources = ARRAY_SIZE(sti_resources),
- };
- /* GIO */
- static struct gpio_em_config gio0_config = {
- .gpio_base = 0,
- .irq_base = EMEV2_GPIO_IRQ(0),
- .number_of_pins = 32,
- };
- static struct resource gio0_resources[] = {
- [0] = {
- .name = "GIO_000",
- .start = 0xe0050000,
- .end = 0xe005002b,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "GIO_000",
- .start = 0xe0050040,
- .end = 0xe005005f,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = 99,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = 100,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device gio0_device = {
- .name = "em_gio",
- .id = 0,
- .resource = gio0_resources,
- .num_resources = ARRAY_SIZE(gio0_resources),
- .dev = {
- .platform_data = &gio0_config,
- },
- };
- static struct gpio_em_config gio1_config = {
- .gpio_base = 32,
- .irq_base = EMEV2_GPIO_IRQ(32),
- .number_of_pins = 32,
- };
- static struct resource gio1_resources[] = {
- [0] = {
- .name = "GIO_032",
- .start = 0xe0050080,
- .end = 0xe00500ab,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "GIO_032",
- .start = 0xe00500c0,
- .end = 0xe00500df,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = 101,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = 102,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device gio1_device = {
- .name = "em_gio",
- .id = 1,
- .resource = gio1_resources,
- .num_resources = ARRAY_SIZE(gio1_resources),
- .dev = {
- .platform_data = &gio1_config,
- },
- };
- static struct gpio_em_config gio2_config = {
- .gpio_base = 64,
- .irq_base = EMEV2_GPIO_IRQ(64),
- .number_of_pins = 32,
- };
- static struct resource gio2_resources[] = {
- [0] = {
- .name = "GIO_064",
- .start = 0xe0050100,
- .end = 0xe005012b,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "GIO_064",
- .start = 0xe0050140,
- .end = 0xe005015f,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = 103,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = 104,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device gio2_device = {
- .name = "em_gio",
- .id = 2,
- .resource = gio2_resources,
- .num_resources = ARRAY_SIZE(gio2_resources),
- .dev = {
- .platform_data = &gio2_config,
- },
- };
- static struct gpio_em_config gio3_config = {
- .gpio_base = 96,
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