diff options
Diffstat (limited to 'arch/arm/mach-shmobile/setup-emev2.c')
-rw-r--r-- | arch/arm/mach-shmobile/setup-emev2.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/setup-emev2.c b/arch/arm/mach-shmobile/setup-emev2.c new file mode 100644 index 000000000000..9fff62336911 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-emev2.c @@ -0,0 +1,180 @@ +/* + * 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/delay.h> +#include <linux/input.h> +#include <linux/io.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> + +/* 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), +}; + +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, +}; + +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_add_early_devices(void) +{ + shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */ + + 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); +} |