2 * arch/arm/mach-iop32x/glantank.c
4 * Board support code for the GLAN Tank.
6 * Copyright (C) 2006 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/kernel.h>
18 #include <linux/pci.h>
19 #include <linux/string.h>
20 #include <linux/slab.h>
21 #include <linux/serial_core.h>
22 #include <linux/serial_8250.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/platform_device.h>
25 #include <asm/hardware.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 #include <asm/mach/pci.h>
31 #include <asm/mach/time.h>
32 #include <asm/mach-types.h>
34 #include <asm/arch/time.h>
37 * GLAN Tank timer tick configuration.
39 static void __init
glantank_timer_init(void)
41 /* 33.333 MHz crystal. */
42 iop_init_time(200000000);
45 static struct sys_timer glantank_timer
= {
46 .init
= glantank_timer_init
,
47 .offset
= iop_gettimeoffset
,
54 static struct map_desc glantank_io_desc
[] __initdata
= {
55 { /* on-board devices */
56 .virtual = GLANTANK_UART
,
57 .pfn
= __phys_to_pfn(GLANTANK_UART
),
63 void __init
glantank_map_io(void)
66 iotable_init(glantank_io_desc
, ARRAY_SIZE(glantank_io_desc
));
73 #define INTA IRQ_IOP32X_XINT0
74 #define INTB IRQ_IOP32X_XINT1
75 #define INTC IRQ_IOP32X_XINT2
76 #define INTD IRQ_IOP32X_XINT3
79 glantank_pci_map_irq(struct pci_dev
*dev
, u8 slot
, u8 pin
)
81 static int pci_irq_table
[][4] = {
83 * PCI IDSEL/INTPIN->INTLINE
86 {INTD
, INTD
, INTD
, INTD
}, /* UART (8250) */
87 {INTA
, INTA
, INTA
, INTA
}, /* Ethernet (E1000) */
88 {INTB
, INTB
, INTB
, INTB
}, /* IDE (AEC6280R) */
89 {INTC
, INTC
, INTC
, INTC
}, /* USB (NEC) */
92 BUG_ON(pin
< 1 || pin
> 4);
94 return pci_irq_table
[slot
% 4][pin
- 1];
97 static struct hw_pci glantank_pci __initdata
= {
98 .swizzle
= pci_std_swizzle
,
100 .setup
= iop3xx_pci_setup
,
101 .preinit
= iop3xx_pci_preinit
,
102 .scan
= iop3xx_pci_scan_bus
,
103 .map_irq
= glantank_pci_map_irq
,
106 static int __init
glantank_pci_init(void)
108 if (machine_is_glantank())
109 pci_common_init(&glantank_pci
);
114 subsys_initcall(glantank_pci_init
);
118 * GLAN Tank machine initialization.
120 static struct physmap_flash_data glantank_flash_data
= {
124 static struct resource glantank_flash_resource
= {
127 .flags
= IORESOURCE_MEM
,
130 static struct platform_device glantank_flash_device
= {
131 .name
= "physmap-flash",
134 .platform_data
= &glantank_flash_data
,
137 .resource
= &glantank_flash_resource
,
140 static struct plat_serial8250_port glantank_serial_port
[] = {
142 .mapbase
= GLANTANK_UART
,
143 .membase
= (char *)GLANTANK_UART
,
144 .irq
= IRQ_IOP32X_XINT3
,
145 .flags
= UPF_SKIP_TEST
,
153 static struct resource glantank_uart_resource
= {
154 .start
= GLANTANK_UART
,
155 .end
= GLANTANK_UART
+ 7,
156 .flags
= IORESOURCE_MEM
,
159 static struct platform_device glantank_serial_device
= {
160 .name
= "serial8250",
161 .id
= PLAT8250_DEV_PLATFORM
,
163 .platform_data
= glantank_serial_port
,
166 .resource
= &glantank_uart_resource
,
169 static void glantank_power_off(void)
171 __raw_writeb(0x01, 0xfe8d0004);
177 static void __init
glantank_init_machine(void)
179 platform_device_register(&iop3xx_i2c0_device
);
180 platform_device_register(&iop3xx_i2c1_device
);
181 platform_device_register(&glantank_flash_device
);
182 platform_device_register(&glantank_serial_device
);
183 platform_device_register(&iop3xx_dma_0_channel
);
184 platform_device_register(&iop3xx_dma_1_channel
);
186 pm_power_off
= glantank_power_off
;
189 MACHINE_START(GLANTANK
, "GLAN Tank")
190 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
191 .phys_io
= GLANTANK_UART
,
192 .io_pg_offst
= ((GLANTANK_UART
) >> 18) & 0xfffc,
193 .boot_params
= 0xa0000100,
194 .map_io
= glantank_map_io
,
195 .init_irq
= iop32x_init_irq
,
196 .timer
= &glantank_timer
,
197 .init_machine
= glantank_init_machine
,