diff options
Diffstat (limited to 'arch/arm/mach-iop33x/setup.c')
| -rw-r--r-- | arch/arm/mach-iop33x/setup.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/arch/arm/mach-iop33x/setup.c b/arch/arm/mach-iop33x/setup.c new file mode 100644 index 00000000000..c14c7da5ec4 --- /dev/null +++ b/arch/arm/mach-iop33x/setup.c @@ -0,0 +1,221 @@ +/* + * linux/arch/arm/mach-iop33x/setup.c + * + * Author: Dave Jiang (dave.jiang@intel.com) + * Copyright (C) 2004 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +#include <linux/mm.h> +#include <linux/init.h> +#include <linux/major.h> +#include <linux/fs.h> +#include <linux/platform_device.h> +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/serial_8250.h> + +#include <asm/io.h> +#include <asm/pgtable.h> +#include <asm/page.h> +#include <asm/mach/map.h> +#include <asm/setup.h> +#include <asm/system.h> +#include <asm/memory.h> +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#define IOP331_UART_XTAL 33334000 + +/* + * Standard IO mapping for all IOP331 based systems + */ +static struct map_desc iop331_std_desc[] __initdata = { + { /* mem mapped registers */ + .virtual = IOP331_VIRT_MEM_BASE, + .pfn = __phys_to_pfn(IOP331_PHYS_MEM_BASE), + .length = 0x00002000, + .type = MT_DEVICE + }, { /* PCI IO space */ + .virtual = IOP331_PCI_LOWER_IO_VA, + .pfn = __phys_to_pfn(IOP331_PCI_LOWER_IO_PA), + .length = IOP331_PCI_IO_WINDOW_SIZE, + .type = MT_DEVICE + } +}; + +static struct resource iop33x_uart0_resources[] = { + [0] = { + .start = IOP331_UART0_PHYS, + .end = IOP331_UART0_PHYS + 0x3f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP331_UART0, + .end = IRQ_IOP331_UART0, + .flags = IORESOURCE_IRQ + } +}; + +static struct resource iop33x_uart1_resources[] = { + [0] = { + .start = IOP331_UART1_PHYS, + .end = IOP331_UART1_PHYS + 0x3f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP331_UART1, + .end = IRQ_IOP331_UART1, + .flags = IORESOURCE_IRQ + } +}; + +static struct plat_serial8250_port iop33x_uart0_data[] = { + { + .membase = (char*)(IOP331_UART0_VIRT), + .mapbase = (IOP331_UART0_PHYS), + .irq = IRQ_IOP331_UART0, + .uartclk = IOP331_UART_XTAL, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_SKIP_TEST, + }, + { }, +}; + +static struct plat_serial8250_port iop33x_uart1_data[] = { + { + .membase = (char*)(IOP331_UART1_VIRT), + .mapbase = (IOP331_UART1_PHYS), + .irq = IRQ_IOP331_UART1, + .uartclk = IOP331_UART_XTAL, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_SKIP_TEST, + }, + { }, +}; + +static struct platform_device iop33x_uart0 = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev.platform_data = iop33x_uart0_data, + .num_resources = 2, + .resource = iop33x_uart0_resources, +}; + +static struct platform_device iop33x_uart1 = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM1, + .dev.platform_data = iop33x_uart1_data, + .num_resources = 2, + .resource = iop33x_uart1_resources, +}; + +static struct resource iop33x_i2c_0_resources[] = { + [0] = { + .start = 0xfffff680, + .end = 0xfffff698, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP331_I2C_0, + .end = IRQ_IOP331_I2C_0, + .flags = IORESOURCE_IRQ + } +}; + +static struct resource iop33x_i2c_1_resources[] = { + [0] = { + .start = 0xfffff6a0, + .end = 0xfffff6b8, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP331_I2C_1, + .end = IRQ_IOP331_I2C_1, + .flags = IORESOURCE_IRQ + } +}; + +static struct platform_device iop33x_i2c_0_controller = { + .name = "IOP3xx-I2C", + .id = 0, + .num_resources = 2, + .resource = iop33x_i2c_0_resources +}; + +static struct platform_device iop33x_i2c_1_controller = { + .name = "IOP3xx-I2C", + .id = 1, + .num_resources = 2, + .resource = iop33x_i2c_1_resources +}; + +static struct platform_device *iop33x_devices[] __initdata = { + &iop33x_uart0, + &iop33x_uart1, + &iop33x_i2c_0_controller, + &iop33x_i2c_1_controller +}; + +void __init iop33x_init(void) +{ + if(iop_is_331()) + { + platform_add_devices(iop33x_devices, + ARRAY_SIZE(iop33x_devices)); + } +} + +void __init iop331_map_io(void) +{ + iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc)); +} + +#ifdef CONFIG_ARCH_IOP33X +extern void iop331_init_irq(void); +extern struct sys_timer iop331_timer; +#endif + +#ifdef CONFIG_ARCH_IQ80331 +extern void iq80331_map_io(void); +#endif + +#ifdef CONFIG_MACH_IQ80332 +extern void iq80332_map_io(void); +#endif + +#if defined(CONFIG_ARCH_IQ80331) +MACHINE_START(IQ80331, "Intel IQ80331") + /* Maintainer: Intel Corp. */ + .phys_io = 0xfefff000, + .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical + .map_io = iq80331_map_io, + .init_irq = iop331_init_irq, + .timer = &iop331_timer, + .boot_params = 0x0100, + .init_machine = iop33x_init, +MACHINE_END + +#elif defined(CONFIG_MACH_IQ80332) +MACHINE_START(IQ80332, "Intel IQ80332") + /* Maintainer: Intel Corp. */ + .phys_io = 0xfefff000, + .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical + .map_io = iq80332_map_io, + .init_irq = iop331_init_irq, + .timer = &iop331_timer, + .boot_params = 0x0100, + .init_machine = iop33x_init, +MACHINE_END + +#else +#error No machine descriptor defined for this IOP3XX implementation +#endif + + |