diff options
Diffstat (limited to 'arch/arm/mach-iop3xx/iop331-setup.c')
| -rw-r--r-- | arch/arm/mach-iop3xx/iop331-setup.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/arch/arm/mach-iop3xx/iop331-setup.c b/arch/arm/mach-iop3xx/iop331-setup.c new file mode 100644 index 00000000000..622e7914819 --- /dev/null +++ b/arch/arm/mach-iop3xx/iop331-setup.c @@ -0,0 +1,177 @@ +/* + * linux/arch/arm/mach-iop3xx/iop331-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/config.h> +#include <linux/init.h> +#include <linux/major.h> +#include <linux/fs.h> +#include <linux/device.h> +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/serial_core.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 = { + /* virtual physical length type */ + + /* mem mapped registers */ + { IOP331_VIRT_MEM_BASE, IOP331_PHYS_MEM_BASE, 0x00002000, MT_DEVICE }, + + /* PCI IO space */ + { IOP331_PCI_LOWER_IO_VA, IOP331_PCI_LOWER_IO_PA, IOP331_PCI_IO_WINDOW_SIZE, MT_DEVICE } +}; + +static struct uart_port iop331_serial_ports[] = { + { + .membase = (char*)(IOP331_UART0_VIRT), + .mapbase = (IOP331_UART0_PHYS), + .irq = IRQ_IOP331_UART0, + .flags = UPF_SKIP_TEST, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = IOP331_UART_XTAL, + .line = 0, + .type = PORT_XSCALE, + .fifosize = 32 + } , { + .membase = (char*)(IOP331_UART1_VIRT), + .mapbase = (IOP331_UART1_PHYS), + .irq = IRQ_IOP331_UART1, + .flags = UPF_SKIP_TEST, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = IOP331_UART_XTAL, + .line = 1, + .type = PORT_XSCALE, + .fifosize = 32 + } +}; + +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_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)); + early_serial_setup(&iop331_serial_ports[0]); + early_serial_setup(&iop331_serial_ports[1]); +} + +#ifdef CONFIG_ARCH_IOP331 +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.") + BOOT_MEM(PHYS_OFFSET, 0xfefff000, 0xfffff000) // virtual, physical + //BOOT_MEM(PHYS_OFFSET, IOP331_UART0_VIRT, IOP331_UART0_PHYS) + MAPIO(iq80331_map_io) + INITIRQ(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.") + BOOT_MEM(PHYS_OFFSET, 0xfefff000, 0xfffff000) // virtual, physical + //BOOT_MEM(PHYS_OFFSET, IOP331_UART0_VIRT, IOP331_UART0_PHYS) + MAPIO(iq80332_map_io) + INITIRQ(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 + + |