2 * arch/arm/mach-iop32x/glantank.c
4 * Board support code for the GLAN Tank.
6 * Copyright (C) 2006, 2007 Martin Michlmayr <tbm@cyrius.com>
7 * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
16 #include <linux/init.h>
17 #include <linux/f75375s.h>
18 #include <linux/kernel.h>
19 #include <linux/pci.h>
21 #include <linux/string.h>
22 #include <linux/slab.h>
23 #include <linux/serial_core.h>
24 #include <linux/serial_8250.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/i2c.h>
27 #include <linux/platform_device.h>
29 #include <mach/hardware.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <asm/mach/pci.h>
34 #include <asm/mach/time.h>
35 #include <asm/mach-types.h>
37 #include <mach/time.h>
40 * GLAN Tank timer tick configuration.
42 static void __init glantank_timer_init(void)
44 /* 33.333 MHz crystal. */
45 iop_init_time(200000000);
48 static struct sys_timer glantank_timer = {
49 .init = glantank_timer_init,
56 static struct map_desc glantank_io_desc[] __initdata = {
57 { /* on-board devices */
58 .virtual = GLANTANK_UART,
59 .pfn = __phys_to_pfn(GLANTANK_UART),
65 void __init glantank_map_io(void)
68 iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc));
75 #define INTA IRQ_IOP32X_XINT0
76 #define INTB IRQ_IOP32X_XINT1
77 #define INTC IRQ_IOP32X_XINT2
78 #define INTD IRQ_IOP32X_XINT3
81 glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
83 static int pci_irq_table[][4] = {
85 * PCI IDSEL/INTPIN->INTLINE
88 {INTD, INTD, INTD, INTD}, /* UART (8250) */
89 {INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */
90 {INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */
91 {INTC, INTC, INTC, INTC}, /* USB (NEC) */
94 BUG_ON(pin < 1 || pin > 4);
96 return pci_irq_table[slot % 4][pin - 1];
99 static struct hw_pci glantank_pci __initdata = {
100 .swizzle = pci_std_swizzle,
102 .setup = iop3xx_pci_setup,
103 .preinit = iop3xx_pci_preinit,
104 .scan = iop3xx_pci_scan_bus,
105 .map_irq = glantank_pci_map_irq,
108 static int __init glantank_pci_init(void)
110 if (machine_is_glantank())
111 pci_common_init(&glantank_pci);
116 subsys_initcall(glantank_pci_init);
120 * GLAN Tank machine initialization.
122 static struct physmap_flash_data glantank_flash_data = {
126 static struct resource glantank_flash_resource = {
129 .flags = IORESOURCE_MEM,
132 static struct platform_device glantank_flash_device = {
133 .name = "physmap-flash",
136 .platform_data = &glantank_flash_data,
139 .resource = &glantank_flash_resource,
142 static struct plat_serial8250_port glantank_serial_port[] = {
144 .mapbase = GLANTANK_UART,
145 .membase = (char *)GLANTANK_UART,
146 .irq = IRQ_IOP32X_XINT3,
147 .flags = UPF_SKIP_TEST,
155 static struct resource glantank_uart_resource = {
156 .start = GLANTANK_UART,
157 .end = GLANTANK_UART + 7,
158 .flags = IORESOURCE_MEM,
161 static struct platform_device glantank_serial_device = {
162 .name = "serial8250",
163 .id = PLAT8250_DEV_PLATFORM,
165 .platform_data = glantank_serial_port,
168 .resource = &glantank_uart_resource,
171 static struct f75375s_platform_data glantank_f75375s = {
173 .pwm_enable = { 0, 0 },
176 static struct i2c_board_info __initdata glantank_i2c_devices[] = {
178 I2C_BOARD_INFO("rs5c372a", 0x32),
181 I2C_BOARD_INFO("f75375", 0x2e),
182 .platform_data = &glantank_f75375s,
186 static void glantank_power_off(void)
188 __raw_writeb(0x01, 0xfe8d0004);
194 static void __init glantank_init_machine(void)
196 platform_device_register(&iop3xx_i2c0_device);
197 platform_device_register(&iop3xx_i2c1_device);
198 platform_device_register(&glantank_flash_device);
199 platform_device_register(&glantank_serial_device);
200 platform_device_register(&iop3xx_dma_0_channel);
201 platform_device_register(&iop3xx_dma_1_channel);
203 i2c_register_board_info(0, glantank_i2c_devices,
204 ARRAY_SIZE(glantank_i2c_devices));
206 pm_power_off = glantank_power_off;
209 MACHINE_START(GLANTANK, "GLAN Tank")
210 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
211 .phys_io = GLANTANK_UART,
212 .io_pg_offst = ((GLANTANK_UART) >> 18) & 0xfffc,
213 .boot_params = 0xa0000100,
214 .map_io = glantank_map_io,
215 .init_irq = iop32x_init_irq,
216 .timer = &glantank_timer,
217 .init_machine = glantank_init_machine,