| /* |
| * 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/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> |
| #include "gpio-iop32x.h" |
| |
| /* |
| * GLAN Tank timer tick configuration. |
| */ |
| static void __init glantank_timer_init(void) |
| { |
| /* 33.333 MHz crystal. */ |
| iop_init_time(200000000); |
| } |
| |
| |
| /* |
| * 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(const 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 = { |
| .nr_controllers = 1, |
| .ops = &iop3xx_ops, |
| .setup = iop3xx_pci_setup, |
| .preinit = iop3xx_pci_preinit, |
| .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, IOMEM(0xfe8d0004)); |
| |
| while (1) |
| ; |
| } |
| |
| static void __init glantank_init_machine(void) |
| { |
| register_iop32x_gpio(); |
| 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> */ |
| .atag_offset = 0x100, |
| .map_io = glantank_map_io, |
| .init_irq = iop32x_init_irq, |
| .init_time = glantank_timer_init, |
| .init_machine = glantank_init_machine, |
| .restart = iop3xx_restart, |
| MACHINE_END |