/* * arch/arm/mach-iop32x/glantank.c * * Board support code for the GLAN Tank. * * Copyright (C) 2006, 2007 Martin Michlmayr <tbm@cyrius.com> * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> * * 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; either version 2 of the License, or (at your * option) any later version. */ #include <linux/mm.h> #include <linux/init.h> #include <linux/f75375s.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/pm.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> #include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/io.h> #include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/pci.h> #include <asm/mach/time.h> #include <asm/mach-types.h> #include <asm/page.h> #include <mach/time.h> /* * GLAN Tank timer tick configuration. */ static void __init glantank_timer_init(void) { /* 33.333 MHz crystal. */ iop_init_time(200000000); } static struct sys_timer glantank_timer = { .init = glantank_timer_init, .offset = iop_gettimeoffset, }; /* * GLAN Tank I/O. */ static struct map_desc glantank_io_desc[] __initdata = { { /* on-board devices */ .virtual = GLANTANK_UART, .pfn = __phys_to_pfn(GLANTANK_UART), .length = 0x00100000, .type = MT_DEVICE }, }; void __init glantank_map_io(void) { iop3xx_map_io(); iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc)); } /* * GLAN Tank PCI. */ #define INTA IRQ_IOP32X_XINT0 #define INTB IRQ_IOP32X_XINT1 #define INTC IRQ_IOP32X_XINT2 #define INTD IRQ_IOP32X_XINT3 static int __init glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { static int pci_irq_table[][4] = { /* * PCI IDSEL/INTPIN->INTLINE * A B C D */ {INTD, INTD, INTD, INTD}, /* UART (8250) */ {INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */ {INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */ {INTC, INTC, INTC, INTC}, /* USB (NEC) */ }; BUG_ON(pin < 1 || pin > 4); return pci_irq_table[slot % 4][pin - 1]; } static struct hw_pci glantank_pci __initdata = { .swizzle = pci_std_swizzle, .nr_controllers = 1, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, .scan = iop3xx_pci_scan_bus, .map_irq = glantank_pci_map_irq, }; static int __init glantank_pci_init(void) { if (machine_is_glantank()) pci_common_init(&glantank_pci); return 0; } subsys_initcall(glantank_pci_init); /* * GLAN Tank machine initialization. */ static struct physmap_flash_data glantank_flash_data = { .width = 2, }; static struct resource glantank_flash_resource = { .start = 0xf0000000, .end = 0xf007ffff, .flags = IORESOURCE_MEM, }; static struct platform_device glantank_flash_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &glantank_flash_data, }, .num_resources = 1, .resource = &glantank_flash_resource, }; static struct plat_serial8250_port glantank_serial_port[] = { { .mapbase = GLANTANK_UART, .membase = (char *)GLANTANK_UART, .irq = IRQ_IOP32X_XINT3, .flags = UPF_SKIP_TEST, .iotype = UPIO_MEM, .regshift = 0, .uartclk = 1843200, }, { }, }; static struct resource glantank_uart_resource = { .start = GLANTANK_UART, .end = GLANTANK_UART + 7, .flags = IORESOURCE_MEM, }; static struct platform_device glantank_serial_device = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = glantank_serial_port, }, .num_resources = 1, .resource = &glantank_uart_resource, }; static struct f75375s_platform_data glantank_f75375s = { .pwm = { 255, 255 }, .pwm_enable = { 0, 0 }, }; static struct i2c_board_info __initdata glantank_i2c_devices[] = { { I2C_BOARD_INFO("rs5c372a", 0x32), }, { I2C_BOARD_INFO("f75375", 0x2e), .platform_data = &glantank_f75375s, }, }; static void glantank_power_off(void) { __raw_writeb(0x01, 0xfe8d0004); while (1) ; } static void __init glantank_init_machine(void) { platform_device_register(&iop3xx_i2c0_device); platform_device_register(&iop3xx_i2c1_device); platform_device_register(&glantank_flash_device); platform_device_register(&glantank_serial_device); platform_device_register(&iop3xx_dma_0_channel); platform_device_register(&iop3xx_dma_1_channel); i2c_register_board_info(0, glantank_i2c_devices, ARRAY_SIZE(glantank_i2c_devices)); pm_power_off = glantank_power_off; } MACHINE_START(GLANTANK, "GLAN Tank") /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ .phys_io = GLANTANK_UART, .io_pg_offst = ((GLANTANK_UART) >> 18) & 0xfffc, .boot_params = 0xa0000100, .map_io = glantank_map_io, .init_irq = iop32x_init_irq, .timer = &glantank_timer, .init_machine = glantank_init_machine, MACHINE_END