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-rw-r--r--arch/arm/mach-shmobile/setup-emev2.c452
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diff --git a/arch/arm/mach-shmobile/setup-emev2.c b/arch/arm/mach-shmobile/setup-emev2.c
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+++ b/arch/arm/mach-shmobile/setup-emev2.c
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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,
+ .irq_base = EMEV2_GPIO_IRQ(96),
+ .number_of_pins = 32,
+};
+
+static struct resource gio3_resources[] = {
+ [0] = {
+ .name = "GIO_096",
+ .start = 0xe0050100,
+ .end = 0xe005012b,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .name = "GIO_096",
+ .start = 0xe0050140,
+ .end = 0xe005015f,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = 105,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = 106,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device gio3_device = {
+ .name = "em_gio",
+ .id = 3,
+ .resource = gio3_resources,
+ .num_resources = ARRAY_SIZE(gio3_resources),
+ .dev = {
+ .platform_data = &gio3_config,
+ },
+};
+
+static struct gpio_em_config gio4_config = {
+ .gpio_base = 128,
+ .irq_base = EMEV2_GPIO_IRQ(128),
+ .number_of_pins = 31,
+};
+
+static struct resource gio4_resources[] = {
+ [0] = {
+ .name = "GIO_128",
+ .start = 0xe0050200,
+ .end = 0xe005022b,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .name = "GIO_128",
+ .start = 0xe0050240,
+ .end = 0xe005025f,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = 107,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = 108,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device gio4_device = {
+ .name = "em_gio",
+ .id = 4,
+ .resource = gio4_resources,
+ .num_resources = ARRAY_SIZE(gio4_resources),
+ .dev = {
+ .platform_data = &gio4_config,
+ },
+};
+
+static struct platform_device *emev2_early_devices[] __initdata = {
+ &uart0_device,
+ &uart1_device,
+ &uart2_device,
+ &uart3_device,
+};
+
+static struct platform_device *emev2_late_devices[] __initdata = {
+ &sti_device,
+ &gio0_device,
+ &gio1_device,
+ &gio2_device,
+ &gio3_device,
+ &gio4_device,
+};
+
+void __init emev2_add_standard_devices(void)
+{
+ emev2_clock_init();
+
+ platform_add_devices(emev2_early_devices,
+ ARRAY_SIZE(emev2_early_devices));
+
+ platform_add_devices(emev2_late_devices,
+ ARRAY_SIZE(emev2_late_devices));
+}
+
+void __init emev2_init_delay(void)
+{
+ shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */
+}
+
+void __init emev2_add_early_devices(void)
+{
+ emev2_init_delay();
+
+ early_platform_add_devices(emev2_early_devices,
+ ARRAY_SIZE(emev2_early_devices));
+
+ /* setup early console here as well */
+ shmobile_setup_console();
+}
+
+void __init emev2_init_irq(void)
+{
+ void __iomem *gic_dist_base;
+ void __iomem *gic_cpu_base;
+
+ /* Static mappings, never released */
+ gic_dist_base = ioremap(0xe0028000, PAGE_SIZE);
+ gic_cpu_base = ioremap(0xe0020000, PAGE_SIZE);
+ BUG_ON(!gic_dist_base || !gic_cpu_base);
+
+ /* Use GIC to handle interrupts */
+ gic_init(0, 29, gic_dist_base, gic_cpu_base);
+}
+
+#ifdef CONFIG_USE_OF
+static const struct of_dev_auxdata emev2_auxdata_lookup[] __initconst = {
+ { }
+};
+
+void __init emev2_add_standard_devices_dt(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ emev2_auxdata_lookup, NULL);
+}
+
+static const struct of_device_id emev2_dt_irq_match[] = {
+ { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
+ {},
+};
+
+static const char *emev2_boards_compat_dt[] __initdata = {
+ "renesas,emev2",
+ NULL,
+};
+
+void __init emev2_init_irq_dt(void)
+{
+ of_irq_init(emev2_dt_irq_match);
+}
+
+DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
+ .init_early = emev2_init_delay,
+ .nr_irqs = NR_IRQS_LEGACY,
+ .init_irq = emev2_init_irq_dt,
+ .handle_irq = gic_handle_irq,
+ .init_machine = emev2_add_standard_devices_dt,
+ .timer = &shmobile_timer,
+ .dt_compat = emev2_boards_compat_dt,
+MACHINE_END
+
+#endif /* CONFIG_USE_OF */